JP5369260B2 - Air heat exchange system and air heat exchanger used - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an in-room air conditioning system for circulating hot and chilled water to a radiation panel heater in which a humidity control system in a room is reasonably integrated. <P>SOLUTION: In the air conditioning system of a hot and chilled water circulation type where a heat radiation circuit 7 is pulled out from a water heat exchange unit 6C and a radiation panel heater 7A is disposed, a hot and chilled water circulation circuit 6 for an air heat exchanger 1 is branched from the vicinity of the water heat exchange unit 6C of the heat radiation circuit 7. The hot and chilled water circulation circuit 6 makes the return flow of the hot and chilled water merged with the heat radiation circuit 7 via the air heat exchanger 1 and makes the return flow return to the water heat exchange unit. In the air heat exchanger 1, an air suction circuit 3, a supply circuit 4, and a drain circuit 8 are continuously arranged. A temperature and humidity in a room and a temperature of circulation water is detected by a detection circuit 5 to control the operation of the air conditioning system. <P>COPYRIGHT: (C)2013,JPO&amp;INPIT

Description

  The present invention is obtained by adding an air heat exchange system for dehumidifying or humidifying indoor air to an indoor radiant cooling / heating system using cold / hot water circulation, and belongs to the technical field of air conditioning.

  When the air is cooled by the cooler and the relative humidity rises and falls below the dew point, the moisture difference becomes condensed water that can be drained from the cooler, so-called dehumidifying action. Air dehumidifiers that use the action are widely used in a wide range of applications, from air conditioning in buildings such as large office buildings to general households. Various dehumidifying means for building air have been proposed and implemented. .

  FIG. 8 (A) is a dehumidifier of Conventional Example 1, which is cited as Patent Document 1. In the main body, a dehumidification rotor that adsorbs water vapor in indoor air and a dehumidification rotor are rotated. Drive means, a heat generating unit that discharges water vapor from the dehumidification rotor, a heat exchanger that condenses high-temperature and high-humidity air discharged from the dehumidification rotor by the heat generation unit, and high-temperature and high-humidity air that has passed through the heat exchanger as heat generation means The return duct is accommodated, and the heat generating unit, the dehumidifying rotor, the heat exchanger, and the duct are supported by a partition plate and fixed inside the main body.

Then, the first air blowing means cools the heat generating unit, the dehumidifying rotor, the heat exchanger, and the duct in order, and the second air blowing means cools the heat exchanger and adsorbs moisture to the dehumidifying rotor. Thus, an air passage is formed to send dry air from the outlet.
In addition, the dew condensation water produced by dew condensation in the heat exchanger in the closed circulation air passage is stored in a drain tank.

  FIG. 8B shows a dehumidifier of Conventional Example 2, which is cited as Patent Document 2. A dehumidification rotor that is a moisture adsorbing material and air from the room are passed through an adsorption region of the dehumidification rotor. A dehumidification passage for returning to the room indoors, an exhaust passage for discharging the air from the room to the outside through the regeneration area of the dehumidification rotor, and a regeneration area of the dehumidification rotor disposed in the upstream area of the dehumidification rotor of the exhaust passage A heating means for heating the air flowing into the fan, and a fan for sending air to the dehumidification passage and the exhaust passage.

The dehumidifier then sends air to the dehumidification passage by the fan and returns the indoor air to the room through the adsorption area of the dehumidification rotor, thereby adsorbing the water vapor of the room air to the adsorbent in the adsorption area of the dehumidification rotor. After the dehumidified air is heated by the heating means, it is made outdoor through the regeneration area of the dehumidifying rotor.
Then, the air desorbed by the water vapor adsorbed on the dehumidifying rotor is humidified, and the humidified air is discharged to the outside, and the dehumidifying rotor is rotated to move the effective adsorbent to the adsorption area, so that the adsorbent is regenerated and regenerated. By shifting the material to the adsorption region, the dehumidification rotor can be repeatedly dehumidified, and the moisture in the room air is discharged outdoors as humid air.

FIG. 9 (A) is an explanatory view of a water heat source heat pump type radiant panel air conditioner of Conventional Example 3 and is cited as Patent Document 3. The refrigerant circuit includes a compressor, a four-way valve, The refrigerant circulates in the order of 1 water heat exchanger, pressure reducing valve, second water heat exchanger, dehumidifying air heat exchanger, four-way valve, accumulator, and compressor.
The first water circulation circuit is formed by a first water heat exchanger, a hot water boiler, a cooling tower, and a first circulation pump, and the second water circulation circuit (cold and hot water circulation circuit) is a second water heat exchanger and a panel for radiation cooling and heating. , And a second circulation pump.

During the cooling operation of the air conditioner, the refrigerant is compressed by the compressor, passes through the four-way valve, condenses in the first water heat exchanger, is depressurized through the pressure reducing valve, the second water heat exchanger and the dehumidifier It evaporates in the air heat exchanger, returns to the compressor via the four-way valve and accumulator, and circulates in the refrigerant circuit.
During this time, when the second circulation pump is driven, the refrigerant exchanges heat with the circulating water inside the second water heat exchanger, and the cold water is sent to the radiation panel of the second water circulation circuit to be used for radiation cooling.
Furthermore, the refrigerant exchanges heat with the indoor air blown by the dehumidifying fan in the air heat exchanger, and the cooled air is supplied to the cooling by forced convection. At this time, the dew point temperature of the indoor air is When the temperature is equal to or higher than the evaporation temperature of the refrigerant in the heat exchanger, it is dehumidified.

Then, the surface temperature of the radiant panel is set higher than the dew point temperature of the room air dehumidified by the air heat exchanger by adjusting the evaporation temperature of the refrigerant in the air heat exchanger for dehumidification. Condensation does not occur.
In an air conditioner provided with the radiation panel and an air heat exchanger for dehumidification, at the start of cooling, the room air is cooled by forced convection until the room air falls to a predetermined temperature, and then the air cooling is performed by weak cooling by an air heat exchanger. In combination with radiation cooling by a radiation panel.
Further, during the heating operation, the driving of the dehumidifying fan is stopped and heat exchange with room air in the air heat exchanger is not performed.

  FIG. 9B is a conventional example 4, which is cited as Non-Patent Document 1, and is widely used as a room air conditioner. Air in a room is sucked into the room air conditioner, and a filter or coil is used. A blower for passing the air through the air outlet and blowing air into the room again from the air outlet, a refrigerant coil for removing heat from the indoor air guided by the air blower and removing moisture in the air, and heat to the indoor air In addition, an electric heater that warms the air, an air filter that filters dust in the air, a compressor that compresses the low-pressure and high-temperature refrigerant gas from the refrigerant coil and sends it to the condenser (condenser) as a high-temperature and high-pressure gas, and a condenser fan cools it. And an air-cooled condenser that returns the gas to a liquid, and an expansion valve that uses the refrigerant from the air-cooled condenser as a gaseous refrigerant. Those sent to the refrigerant coil, in which successively repeating the cycle for said use.

  The thermostat housed in the casing keeps the room temperature constant. In summer, the refrigerator (compressor, condenser, expansion valve, etc.) is operated when the room is hot, and stopped when it is cold. In winter, the electric heater is turned on when it is cold and stopped when it gets hot.

JP 2006-20718 A JP 2002-102642 A JP 2006-349270 A

Co., Ltd., March 20, 2010, 1st edition, 42nd edition, Kohei Kohara, “Air conditioning for 1 million people”, page 140 “Chapter 6, Various air conditioning methods”, “6. Item 1, the simplest air conditioning method Figure 6.1, Room Cooler "

Since the dehumidifier of Conventional Example 1 (FIG. 8A) uses room air as a heat source for condensation, the temperature of the regeneration air must be raised above room temperature by the heat generating unit. Since the input energy becomes large and the electric power is used as a dehumidifying heat source and the electric power is changed to heat, the energy efficiency is low and there is a problem in running cost.
Further, the dehumidifier has a small capacity of the drainage tank, and the wastewater treatment means is troublesome.

In the dehumidifier of Conventional Example 2 (FIG. 8B), the adsorbent is dehumidified by passing the indoor air through the adsorption area of the dehumidification rotor in which the adsorbent is formed in a honeycomb or porous shape. Part of the sucked and dehumidified air is blown out from one outlet through a dehumidifying circuit, heated by a heater, supplied to the regeneration region of the dehumidification rotor, and desorbs water from the adsorbent in the regeneration region.
Further, since the humidified air dehumidified and dehumidified is discharged to the outside from the exhaust passage, a condenser and a tank become unnecessary.

However, since the adsorbent is used as a dehumidifying rotor, the adsorbent reacts only from high humidity (relative humidity: 60%), and if the dehumidifying rotor is made larger, it is sufficient due to restrictions on driving, noise, and casing. Dehumidifying ability is not obtained.
In addition, the heater that heats air consumes a large amount of power, and the dehumidifier is located on the outside wall surface on the indoor side. Therefore, it is necessary to cope with headwinds, and the capacity of the turbofan increases, so the noise during operation is large. There is also a defect that the air supply temperature to the room rises due to reaction heat during dehumidification.

  Further, the water heat source heat pump type radiation panel air conditioner of Conventional Example 3 (FIG. 9A) includes a dehumidifying air heat exchanger and a dehumidifying fan between the four-way valve of the refrigerant circuit and the second water heat exchanger. It is arranged and the indoor air blown by the dehumidifying fan is heat-exchanged and cooled by the dehumidifying air heat exchanger, and is dehumidified when the dew point temperature of the indoor air is equal to or higher than the evaporation temperature of the refrigerant in the air heat exchanger. Is.

At the start of cooling, the room is cooled by forced convection until the room air drops to a predetermined temperature, after which it becomes a cooperative cooling of weak cooling by an air heat exchanger and radiant cooling by a radiant panel. In addition, it is necessary to install two circuits for water and there is a problem of cost.
Moreover, it becomes a work by a skilled engineer, and the arrangement | positioning of the maintenance engineer who installs an air-conditioning machine room is also needed.
Therefore, in the air conditioner of Conventional Example 3, forced convection is indispensable until the room reaches the set temperature at the time of cooling and heating, and it receives a wind that winds up the floor surface, floating dust and dust, and is uncomfortable to the human body. , Noise due to air propagation sound and solid propagation sound through the duct, and temperature spots due to airflow and air distribution are generated.
Moreover, since the air of a defective conductor is used as a heat medium, there are problems of heat loss and economy.

  In addition, the room air conditioner of Conventional Example 4 (FIG. 9B) has a high penetration rate, can be used easily, and has high energy saving efficiency. However, the lack of heating heat in cold regions and the slow start-up are defects. Because of the forced convection method, there are problems such as discomfort caused by blowing air, dust, sanitary defects that wind up dust, and uneven temperature distribution in the room.

  Moreover, although the temperature environment is cool even if the temperature is low and the humidity is low, the room air conditioner as in the conventional example 4 is a temperature control by a thermostat that lowers the temperature in the room while dehumidifying. When the specified temperature is reached, the blower in the outdoor unit and room air conditioner stops. Even if the humidity is high, it stops only at room temperature, so the humidity cannot be adjusted, and dehumidification lowers the room temperature more than necessary. It becomes.

The room air conditioner is thermally inefficient because it takes in outside air and supplies indoor air together with room air at low temperatures and low humidity in summer and supplies air indoors at high temperature and low humidity in winter.
Moreover, since outdoor dry air is taken indoors in the winter, it affects the humidity in the living room, activates the activities of bacteria and viruses, and even causes a respiratory disease in the living room.
The air heat exchange system of the present invention solves the problems of these conventional examples, from small detached houses to large and medium-sized apartments, in living rooms, from summer, winter to the middle of spring and autumn, It can provide a comfortable temperature and humidity environment.

As shown in FIG. 1, the air heat exchange system of the present invention includes a cold / hot water circulation heat dissipating circuit 7 from an outdoor water heat exchanging unit 6 </ b> C to a radiant panel heater 7 </ b> A. An air heat exchanger 1 is arranged in a cold / hot water circulation circuit 6 that branches from the vicinity of 6C and returns to the heat dissipation circuit 7. The air heat exchanger 1 draws a drain circuit 8 that discharges condensed water and air in the room. Then, an intake circuit 3 for blowing air into the air heat exchanger 1 and a supply circuit 4 for blowing air from the air heat exchanger 1 into the living room are arranged to detect the temperature and humidity in the living room and the temperature of the circulating water. A system for detecting and controlling the circuit 5 and controlling the air heat exchanger 1 in the ceiling so that the intake circuit 3 and the supply circuit 4 are of a duct type, and the supply circuit 4 is connected to the living room by a supply grill 4G. And part of the air blown from the air heat exchanger 1 , In which down blow the panel heater 7A peripheral surface for radiation from the air outlet 4K.

  In this case, the circulating water in the cold / hot water circulation circuit 6 and the heat radiation circuit 7 is supplied from an outdoor water heat exchange unit 6C connected to the outdoor unit 6A through the refrigerant pipe 6B as shown in FIG. As shown in FIG. 2B, the outdoor unit 6A includes a conventional condenser (condenser) 6a, condenser fan 6b, and compressor 6d, and the water heat exchange unit 6C includes a conventional cold / hot water coil. The water heat exchanger 6f that stores 6m, the expansion valve 6e, the circulation pump 6n, and the tank 6i are stored.

  Further, as shown in FIG. 1A, the cold / hot water circulation circuit 6 for the air heat exchanger 1 includes a water supply pipe 6P ″ from the water heat exchange unit 6C to the outward header 6S of the heat radiating circuit 7 and a forward branch pipe 6P. ′ Is drawn out and sent to the air heat exchanger 1, heat is transferred to the once-through air in the air heat exchanger 1, and the return side header 6 </ b> R of the heat radiation circuit 7 is returned from the air heat exchanger 1 by the return branch pipe 6 </ b> P ′. The air heat exchanger 1 may have a cylindrical shape that includes a cold / hot water condenser and allows air to flow around the condenser, and may be a cylinder or a square cylinder.

  2A and 2B, the heat radiating circuit 7 is a plastic resin pipe having a large diameter (standard: inner diameter 21.2 mm, wall thickness 2.9 mm) from the hydrothermal exchange unit 6C. 6P "flows through the plastic pump pipe 6P with a small diameter (standard: 9.8mm inner diameter, 1.6mm wall thickness) that continues from the valve 6E of the forward header 6S via the circulation pump 6N, and radiates the panel. The heater 7A flows from the supply port 7S, circulates through the panel heater 7A, flows out from the discharge port 7R, flows into the return side header 6R through the small diameter plastic resin pipe 6P, and flows from the return side header 6R to the large diameter. What is necessary is just to make it flow in into the water heat exchange unit 6C with the plastic resin pipe 6P ".

The forward branch pipe 6P ′ and the return branch pipe 6P ′ for the air heat exchanger 1 may be the same pipe as the small-diameter plastic resin pipe 6P of the heat dissipation circuit 7.
The intake circuit 3 and the supply circuit 4 attached to the air heat exchanger 1 may adopt a conventional duct fan 3F means. The air heat exchanger 1 is connected to the intake circuit 3 from the front end connected to the intake circuit 3. 5 to the rear end of the cylinder, and a conventional cold / hot water coil 2 may be built in the cylinder. Typically, as shown in FIG. A chilled / hot water coil 2 developed for placement in a long tubular body is built into the long tubular body 1A.
Moreover, the detection circuit 5 should just arrange the humidity detector 5E and the temperature detector 5S which are used on the wall surface of a living room, and should control the circulating water temperature of the intake circuit 3 of the air heat exchanger 1, and the thermal radiation circuit 7. FIG.

Therefore, the air heat exchange system of the present invention uses the cold / hot water circulation system of the radiant panel heater for air conditioning as the circulating water to the cold / hot water coil 2 built in the air heat exchanger 1, that is, the heat dissipation circuit. The equipment cost can be rationalized while saving energy, the dehumidification system can be rationally integrated with the air conditioning system, and the humidity control in the air conditioning system can be performed easily and at low cost.
For the dehumidification, duct pipes 3D and 4D are employed in the intake circuit 3 for sending the room air to the air heat exchanger 1 and the supply circuit 4 for blowing the air into the room, and the duct fan 3F with low power consumption. (Standard power consumption: 10.5 w) may be arranged, which is advantageous in terms of cost. As in the conventional example 1 (FIG. 8A) and the conventional example 2 (FIG. 8B), the power is reduced. Since a heater that replaces heat is not used, running costs can be reduced.

Further, as in Conventional Example 3 (FIG. 9A), the duct fan 3F is arranged in the substantially center without the supply air duct and the return air duct being continuous from the dehumidifying fan blower to each room, Since the air is taken in and the other is supplied, the duct shape can be made small and can be easily arranged in the ceiling.
Moreover, since the air flow velocity is low, no noise is generated, natural convection is approached, and temperature spots due to airflow do not occur.

Moreover, in the air heat exchange system of the present invention, since the air heat exchanger 1 that exhibits the dehumidifying function can be arranged by branch piping means from the heat radiation circuit 7 for cooling and heating, the air heat exchanger 1 can be freely arranged such as the back of the ceiling. There is a degree, and it can be freely installed in small houses.
Further, in the present invention, since indoor air is sucked and the air dehumidified (dehumidified) by the air heat exchanger 1 is blown into the living room as cooling air, the outdoor high temperature and high humidity (summer) or directly Because it is not affected by low-temperature and low-humidity (winter season) air, temperature and humidity control in the room can be achieved with energy saving.
In the air heat exchange system of the present invention, heat that changes the temperature without sensible heat, that is, phase change of the object (solid → liquid → gas) or chemical change, is cooled or heated by the radiation panel heater 7A. Therefore, it is a latent heat, that is, heat for phase change and does not contribute to the temperature change of other objects. For example, the heat of sweating and breathing of the human body is controlled by an air heat exchanger, so it is comfortable with humidity control. As in the conventional example 3 (FIG. 9A), the equipment is not excessive, and the equipment and operating costs are not excessive, as in the two-way air conditioning with the forced convection method using air and the radiation method using water circulation. Is cheap.
In the air heat exchanger system of the present invention, as shown in FIG. 1B, the air heat exchanger 1 is arranged in the ceiling, the intake circuit 3 and the supply circuit 4 are of a duct type, and the supply circuit 4 is supplied. It is also an essential requirement that the grill 4G is connected to the living room and a part of the blown air from the air heat exchanger 1 is blown down to the peripheral surface of the panel heater 7A for radiation from the outlet 4K .
In this case, the radiation panel heater 7A is typically made of a plastic resin pipe in which a vertical pipe group for water flow and heat radiation is connected in parallel between the upper and lower horizontal pipes, and the partition wall Wi or The air outlet 4K is arranged in a vertical form along the partition wall Wi, and the air outlet 4K is radiated on the room side on the ceiling C surface above the radiation panel heater 7A as shown in FIGS. 1 (A) and 1 (B). What is necessary is just to arrange | position in alignment with the center part of the left-right direction of a surface.
In the air heat exchange system of the present invention, the chilled / hot water circulation branched from the chilled / hot water circulation circuit of the panel for radiant cooling / heating, with the refrigeration coil built-in dehumidifier in the conventional air conditioning system, that is, only the air heat exchanger, as a separate body. Since it is arranged in the circuit, only the air heat exchanger becomes small, and the arrangement in the ceiling can be carried out simply and with good workability .
Then, both the intake-side intake circuit 3 and the discharge-side supply circuit 4 connected to the air heat exchanger adopt conventional duct means, and select and adopt an appropriate, for example, flexible duct pipe, thereby exchanging air heat. The container 1 can be housed and arranged in the ceiling, and a conventional supply grill 4G attached to the blower opening from the supply circuit 4 to the living room can be freely arranged according to the preference of the consumer .
Therefore, the cooling / heating blast from the supply grille 4G to an arbitrary position in the living room can be easily and freely performed by the branch piping from the duct in the ceiling .
During cooling operation of the air heat exchange system, in order to blow a part of the blown air on the surface of the radiation panel heater 7A from the outlet 4K of the ceiling C, a still air layer in contact with the surface of the panel heater 7A, By blowing off the upper and lower layer flow outside the still air layer, the air heat transfer action on the surface of the heater 7A is enhanced to increase the cooling effect, and the occurrence of condensation on the surface of the radiation panel heater 7A can also be suppressed .

  In the air heat exchanger system of the present invention, the air heat exchanger 1 includes a cleaning circuit 9 for cleaning the air heat exchanger 1 and the air heat exchanger 1 as shown in FIG. It is preferable to connect a humidifying circuit 10 for spraying water to supply humidified air into the living room.

In this case, the cleaning circuit 9 only needs to apply cleaning water to the air heat exchanger 1 as necessary. As shown in FIG. 1A, the cleaning nozzle 9A group is provided in the air heat exchanger 1. It suffices if the entire length of the cold / hot water coil 2 to which dust and dirt easily adhere can be cleaned by the water sprayed by the cleaning nozzle 9A group.
Further, the humidification circuit 10 only needs to supply steam as necessary to the air flowing through the air heat exchanger 1, and as shown in FIG. 1A, the air intake circuit 3 side in the air heat exchanger 1 is used. The spray nozzle 10 </ b> A may be disposed in the air and the spray nozzle 10 </ b> A may be driven under the control of the humidity detector 5 </ b> E that detects the humidity in the room.

Therefore, the humidification circuit in the air heat exchanger 1 is converted into the once-through air heated in the air heat exchanger 1 by the hot water circulation of the cold / hot water circulation circuit 6 at the time of heating the room in the dry state of air, such as in winter. 10 can be easily humidified, the required humidity can be supplied to the heated air in the room, and the room can be set to an appropriate temperature and humidity.
In addition, by arranging the cleaning circuit 9 in the air heat exchanger 1, dust, dust, etc. in the cold / hot water coil 2 in the air heat exchanger 1 can be cleaned as necessary, and heat exchange of the air heat exchanger is possible. The deterioration of the function can be prevented, and the washing water can be removed without any support from the drain circuit 8 of the air heat exchanger 1.

  Further, in the air heat exchange system of the present invention, as shown in FIG. 1, the temperature detector 5 </ b> S arranged indoors uses the circulating water in the heat radiation circuit 7 to the chilled / hot water circulation circuit 6 to the air heat exchanger 1. It is preferable that the humidity detector 5E that controls the temperature downstream of the branch point P1, is disposed in the room, and is connected to the intake circuit 3 and the humidification circuit 10 controls the humidification circuit 10 of the air heat exchanger 1. .

In this case, the circulating water temperature of the heat radiating circuit 7 for cooling and heating the room can be controlled independently of the circulating water temperature of the chilled water circulating circuit 6 for the air heat exchanger 1, and is necessary for dehumidification, for example, during cooling operation. Since the circulating water temperature of the heat radiating circuit 7 can be selected while maintaining the water temperature of the cold / hot water circulating circuit (standard: 7 ° C.), the radiation of the radiation panel heater 7A can be adjusted freely.
And if the humidification circuit 10 is also in the circulation supply of the indoor air in the air heat exchanger 1 in the intake circuit 3, according to the instruction | command of the humidity detector 5E, it can humidify to a circulating air flow as needed, The air heat exchange system can be freely cooled and heated under the guarantee of a dehumidifying function and a humidifying function.

  Further, in the air heat exchange system of the present invention, the cleaning circuit 9 is configured so that the air heat exchange is performed from the water supply pipe 9B connected to the water supply main pipe 9C as shown in FIG. 5A, as shown in FIG. It is preferable to provide a cleaning nozzle 9A group in the container 1 and control the cleaning action of the electromagnetic valve 6M (see FIG. 2A) interposed between the water supply pipes 9B with a timer switch 9D.

In this case, in the cleaning nozzle 9A, the nozzles 9A may be arranged at intervals in consideration of the jetting ability.
Accordingly, the air heat exchanger 1 that operates as a dehumidifier during the cooling operation period in summer and operates as a humidifier during the heating operation period in winter is periodically washed to return to the once-through air of the cold / hot water coil 2. The deterioration of the heat transfer function can be suppressed, and the washing water that has flowed down to the bottom surface of the air heat exchanger 1 by the washing action can be removed from the drain circuit 8 without any trouble.

Further, as shown in FIG. 1A, the humidifying circuit 10 is a solenoid valve in which a spray nozzle 10A is protruded from the branch pipe 10B connected to the hot water supply pipe 10C into the air heat exchanger 1 and interposed in the branch pipe 10B. It is preferable to control the spray action of 6M with the humidity detector 5E.
In this case, the spray nozzle 10 </ b> A may be a conventional spray nozzle having pressurization.

Further, the spray nozzle 10A may spray water in the air flowing through the air heat exchanger 1, but if the spray nozzle 10A is arranged near the intake end in the air heat exchanger 1, that is, near the front end, a part of the spray nozzle 10A may be used. Water that has been turned into water droplets can be conveniently accumulated on the bottom surface of the air heat exchanger 1 without being scattered into the living room, and can be eliminated by the drain circuit in the air heat exchanger 1.
Since the air blown into the living room is sprayed and humidified in the air heat exchanger 1, the air in the living room can always be monitored by the humidity detector 5E and the desired humidity can be maintained.

Accordingly, when the air is dry, such as in winter, hot water (standard: 45 ° C.) is circulated in the air heat exchanger 1 to blow the indoor air from the intake circuit 3 into the air heat exchanger 1. By controlling the action of the spray nozzle 10A by the humidity detector 5E and the electromagnetic valve 6M, high-temperature and high-humidity air can be blown from the supply circuit 4 of the air heat exchanger 1 into the living room. The heating operation by blowing high-temperature and high-humidity air from the air heat exchanger 1 can be added to the radiation heat radiation heating by the radiation panel heater 7A, and the necessary heating with the required humidity can be achieved reasonably.

  In the air heat exchanging system of the present invention, as shown in the flowing water circuit diagram of FIG. 2, the cold / hot water circulation of the heat radiating circuit 7 is carried out from the water heat exchanging unit 6C via the electric three-way valve 6T to the outgoing header 6S. Circulated to the radiation panel heater 7A, the return side header 6R, the water heat exchange unit 6C), and the circulating water in the circulation circuit 6 of the air heat exchanger 1 is a branch point P1 upstream of the electric three-way valve 6T of the heat dissipation circuit 7. From the return side header 6R, and merges with the heat radiation circuit circulating water at the return side header 6R, and the return side circulating water from the return side header 6R to the water heat exchange unit 6C passes through the branch point P2 in the path. From the electric three-way valve 6T, it is preferable to bypass the control flow rate according to the temperature of the return-side circulating water via the bypass flow path b7 to the electric three-way valve 6T in the forward-side path.

In this case, as the electric three-way valve 6T, two low-temperature and high-temperature fluids having different flow directions may be mixed by a proportional distribution method and switched to one direction as a constant temperature. An ML-TT type electric valve may be employed.
As shown in FIG. 2 (A), the circulating water in the heat radiating circuit 7 flows from the hydrothermal exchange unit 6C through a large-diameter plastic resin pipe 6P ″ (standard: inner diameter 21.2 mm, wall thickness 2.9 mm). Then, after passing through the electric three-way valve 6T and the circulation pump 6N, water is radiated in the small plastic resin pipe 6P (standard: inner diameter 9.8 mm, wall thickness 1.6 mm) continuous from the valve 6E of the forward header 6S. Flows into the panel heater 7A from the supply port 7S and flows out from the discharge port 7R, flows into the return side header 6R through the small diameter plastic resin pipe 6P, and is returned to the thermostat by the return side large diameter plastic resin pipe 6P ". The water may be returned to the water heat exchange unit 6C through the sensor 5T.

  The circulating water in the cold / hot water circulation circuit 6 of the air heat exchanger 1 is upstream of the electric three-way valve 6T of the large-diameter pipe 6P ″ on the forward side of the heat dissipation circuit 7, as shown in FIGS. 2 (A) and 2 (B). A small-sized plastic resin pipe 6P ′ is connected from the branch point P1, and the plastic resin pipe 6P ′ flows into the forward connection port 2S of the air heat exchanger 1 to enter the cold / hot water coil 2 in the air heat exchanger. Is then circulated from the return side connection port 2R into the return side header 6R through the small diameter plastic resin pipe 6P ', mixed with the reflux water of the heat dissipation circuit 7, and radiated through the large diameter plastic resin pipe 6P ". What is necessary is just to recirculate to the water heat exchange unit 6C as circulating water of a circuit.

Then, the return large-diameter pipe 6P ″ of the heat radiating circuit 7 and the electric three-way valve 6T of the forward large-diameter pipe 6P ″ are connected by the large-diameter pipe 6P ″, and the return large-diameter pipe 6P ″ and the large forward flow pipe 6P ″ are connected. Between the diameter pipes 6P ″, a bypass flow path b7 is formed by the large diameter pipe 6P ″.
In this case, the small-diameter pipe 6P ′ for the cold / hot water circulation circuit adopts the same pipe as the small-diameter plastic resin pipe 6P of the heat dissipation circuit 7, and the small-diameter pipe 6P ′ is connected at the branch point P1 from the large-diameter pipe 6P ″. The connection of the large-diameter pipe 6P ″ for the bypass passage at the branch point P2 from the reflux large-diameter pipe 6P ″ may be performed by a conventional T-type socket.

  Therefore, according to the air heat exchange system, for example, at the time of cooling operation, the 7 ° C. (standard) cooling water from the water heat exchange unit 6C to the cold / hot water coil 2 of the air heat exchanger 1 is supplied to the cold / hot water coil 2. The dehumidifying action radiates 6 ° C and flows into the return header 6R at a standard 13 ° C. The cooling water 15 ° C (standard) of the heat radiating circuit 7 recirculates heat from the radiation panel heater 7A and rises 10 ° C. Then, the refrigerant flows back to the return side header 6R at 25 ° C. (standard), and the reflux from the cold / hot water coil 2 and the reflux of the panel heater 7A merge to enter the hydrothermal exchange unit 6C from the reflux large-diameter pipe 6P ″.

  Then, the fluid temperature from the return side header 6R is detected and notified to the electric three-way valve 6T, and the electric three-way valve 6T detects the fluid temperature (standard: 7 ° C.) from the water heat exchange unit 6C and appropriately The flow rate from the water heat exchange unit 6C and the flow rate from the bypass flow path b7 of the reflux large-diameter pipe are proportionally released and mixed at an appropriate temperature (standard: 15 ° C.) and then supplied to the forward header 6S. The amount of reflux to the heat exchange unit 6C can be reduced, and the cooling (or heating) load in the water heat exchange unit 6C can be reduced.

Therefore, in the air heat exchange system of the present invention, the cold / hot water circulation circuit 6 for the air heat exchanger with a small heat release amount is arranged in a branched form in the heat dissipation circuit 7 with a large heat release amount of the air conditioner. The dehumidification and humidification system using the equipment of the air conditioning system by 7A will be added, the integration of the air conditioning system and the dehumidification system can be carried out easily, rationalization in terms of construction and cost, dehumidification and humidification to the air conditioning system System integration is simple and easy to maintain.
For example, in the case of an air conditioning system, circulating water in the air conditioning system (cooling standard: forward 15 ° C., return 25 ° C.) and cold / hot water circulating water in the dehumidification / humidification system (dehumidification standard: forward 7 ° C., return 13 ° C.) Since heat is exchanged by one water heat exchange unit 6C, energy saving and high efficiency are achieved.

  In addition, a temperature detector 5S and a temperature setting dial 6g are interposed in the electric three-way valve 6T in the forward side path, and the temperature of the return side circulating water is detected by the thermosensor 5T, and from the branch point P2 of the return side path. It is preferable that a part of the return circulating water is bypassed into the electric three-way valve 6T via the bypass flow path b7, and the temperature of the circulating circulating water downstream of the combined electric three-way valve 6T is always maintained at the set temperature.

  In this case, as shown in FIG. 2 (B), the thermosensor 5T is disposed on the upstream side in the vicinity of the branch point P2 of the bypass flow path b7 of the large-diameter pipe 6P ″ of the return side path and the electric three-way valve 6T and the electric wire. The bypass channel b7 may be branched by a conventional T-shaped socket 6D using a pipe piece made of the same material as the large-diameter pipe 6P ″ of the return path.

Therefore, for example, the bypass flow path for the cooling water (standard: 7 ° C.) from the water heat exchange unit 6C to the inlet 6X and the set temperature (standard: 15 ° C.) of the outlet 6Z of the electric three-way valve 6T during cooling. The inflow percentage from the inlet 6Y is determined by the notification from the thermosensor 5T, and the inflow rate 7% from the water heat exchange unit 6C (+) the flow rate x x from the bypass passage b7 = setting value It is mixed at (15 ° C.), the amount of return water to the water heat exchange unit 6C can be reduced, and the heat exchange load of the water heat exchange unit is reduced.
In addition, the heat radiation amount of the radiation panel heater 7A can be freely adjusted without affecting the predetermined cooling water temperature (standard: 7 ° C.) required for dehumidification of the air heat exchanger 1, that is, the dehumidification function.

Further, as shown in FIG. 2B, a bypass flow path b7 between the branch point P1 in the forward path and the electric three-way valve 6T and between the branch point P2 in the return path and the electric three-way valve 6T. It is preferable to arrange the gate valve 6F.
In this case, a conventional pipe gate valve may be adopted as the gate valve 6F.
Then, the forward path, that is, the flow path of the forward large diameter pipe 6P ″ of the heat dissipation circuit and the flow path of the large diameter pipe 6P ″ of the bypass flow path b7 from the return side flow path to the electric three-way valve 6T are closed. For example, the cold / hot water circulation from the water heat exchange unit 6 </ b> C becomes a circulation flow only in the cold / hot water circulation circuit 6 for the air heat exchanger 1.

  Therefore, in the intermediate period when there is little necessity for air conditioning such as spring and autumn, if necessary, the air heat exchanger 1 is operated with the intake circuit 3 and the supply circuit 4 to let the indoor air flow through. By operating only the cold / hot water circulation circuit 6 of the air heat exchanger 1, that is, radiating heat only from the cold / hot water coil 2, the necessary low-temperature dehumidified air or high-temperature humidified air can be blown into the living room. A comfortable room temperature and humidity environment can be provided in a state of energy saving operation in which the supply of cold / hot water to the heater 7A is closed.

  Further, as shown in FIGS. 3C and 3D, a trumpet pipe 4R is arranged between the supply side duct pipe 4D and the supply grille 4G, and air discharged from the supply side duct pipe 4D is supplied from the supply grille 4G. Preferably, the flow sucks and joins the air in the ceiling from the trumpet.

  In this case, the relationship between the trumpet pipe 4R and the duct pipe 4D is such that the end of the duct pipe 4D enters the trumpet pipe 4R, and air is sucked between the inner peripheral surface of the trumpet pipe 4R and the outer peripheral surface of the duct pipe 4D. As shown in FIG. 3 (D), a trumpet tube 4R having a conical tube 4U that expands from the cylindrical tube 4B is typically formed as shown in FIG. 3 (C). The cylindrical tube 4B is airtightly fitted and fixed to the outer periphery of the vertical tube 4F of the supply grille 4G arranged on the ceiling surface, and the conventional duct tube 4D covered with a glass fiber heat insulating material is made of a coated heat insulating material having a thickness of 20 mm. A little (standard: 20 mm) is exposed and the tip of the heat insulating material is arranged so that the outer end of the conical tube 4U is aligned with the front-rear direction, and the inner periphery of the outer end edge of the conical tube 4U and the outer periphery of the duct tube clothing heat insulating layer 4A A space S of 15 mm is formed between them.

  Therefore, as shown in FIG. 3C, when the air cooled or heated by the air heat exchanger 1 is blown from the duct pipe 4D into the living room through the supply grille 4G, the air flow a6 in the duct is In order to join the suction flow ac of the air in the ceiling from the space S between the trumpet pipe 4R and the duct pipe 4D, for example, the air flow a6 that has been dehumidified or humidified at a low temperature by the air heat exchanger 1 Therefore, the air flow a6 from the air heat exchanger 1 becomes a gentle cooling (heating) air flow due to the mixing of the air flow ac in the ceiling, and the mild air from the radiation panel heater 7A. Radiant and unpleasant cold air (warm air) can be prevented from being blown to the occupants who are receiving the cooling (heating) action.

  The air heat exchanger 1 used in the air heat exchange system according to claim 1 includes an intake side duct pipe 3D at the front end and a supply side duct pipe at the rear end, as shown in FIG. 4D is connected, and a cold / hot water coil 2 is arranged in the longitudinal direction in the cylinder body 1A, for example, as shown in FIG. 5A, and the upper surface of the cold / hot water coil 2 is cleaned from the upper surface of the cylinder body 1A. A group of nozzles 9A is suspended from front to back, the spray nozzle 10A is suspended from the upper surface of the front portion of the cylinder body 1A, the drain pipe 8A is suspended from the rear surface of the cylinder body 1A, and the rear end of the cylinder body 1A. A water stop plate 8R is disposed on the inner bottom surface.

  In this case, the cold / hot water coil 2 arranges the fin group 2F for heat radiation on the outer periphery of the circulation pipe 2A, circulates cold / hot water in the circulation pipe 2A, and cools or heats the surrounding air by the radiation fin group 2F. Typically, as shown in FIG. 6, four high-conductivity (thermal conductivity: 320 kcal / mh ° C.) copper pipe circulation pipes 2A are arranged in a staggered pattern on the upper and lower sides, and the supply side 1R is welded in parallel with a hairpin tube 2B, and the intake side 1S is connected with a U vent 2C in a vertically inclined manner so that the entire circulation pipe 2A group is in a communicating form, and the entire circulation pipe 2A group is in a penetrating form. The fins 2F are arranged in parallel and closely on the outer periphery of the circulation pipe 2A group.

  Then, the hot and cold water from the water heat exchange unit 6C is circulated through the circulation pipe 2A group, and heat is transferred to the air flowing through the air heat exchanger 1 by the radiating fins 2F group. The length, width, and thickness may be determined in relation to the cylinder main body 1A, and the cylinder main body 1A only needs to be able to accommodate the cold / hot water coil in the longitudinal direction. As shown in FIG. 6, the cold / hot water coil 2 has a length L1 of 890 mm and an inner diameter r1 of 131 mm, and the cold / hot water coil 2 has a length L2 of 650 mm, a width W2 of 106.5 mm, and a thickness h2. Is a rectangular shape with a cross section of 42.3 mm, and the outlet side connection port 2S and the return side connection port 2R of the inlet / outlet pipe 2D of the cold / hot water coil 2 are projected upward from the intake side 1S of the cylinder body 1A.

The intake duct tube 3D and the supply duct tube 4D may be constructed by using conventional duct means, and workability is improved if a deformable aluminum flexible duct tube is employed.
Further, as the group of cleaning nozzles 9A, a conventional water spray nozzle that discharges water in a conical shape may be employed in a communication form with the cleaning circuit 9. Typically, as shown in FIG. 5A, the interval is 110 mm. Then, it hangs down from the cylinder main body 1A in communication with the water supply pipe 9B of the cleaning circuit 9.
The spray nozzle 10A may be a conventional spray nozzle with a built-in pressurizing function. The spray nozzle 10A communicates with the branch pipe 10B of the humidifying circuit 10 that receives the operation control of the humidity detector 5E, and is connected to the intake side 1S of the cylinder body 1A. Just hang down from the top of the.

The water stop plate 8R only needs to be able to prevent the water accumulated on the bottom surface of the cylinder main body 1A from being discharged into the living room together with the air blowing. Typically, as shown in FIGS. A shape that closes the lower half of the inner peripheral surface of the main body 1A, that is, an arc-shaped waterstop plate in which the face plate 8R is reinforced by the lower side of the arc surface 8T and the horizontal upper side 8F having the same curvature as the inner periphery of the cylinder main body 1A, The surface 8T is watertightly fixed to the bottom peripheral surface of the cylinder body 1A.
Further, as shown in FIG. 5 (A), the drain pipe 8A may be disposed in the vicinity of the water stop plate 8R at the rear end on the bottom surface of the cylinder main body 1A, and typically from the rear end of the cylinder main body 1A. Project downward from 75mm.

  Therefore, the air heat exchanger 1 of the present invention can be installed in a place where the intake side duct pipe 3D can be connected to the front end and the supply side duct pipe 4D can be connected to the rear end. The air flowing from the intake side duct pipe 3D to the supply side duct pipe 4D can be dehumidified by the cooling action in the summer, and at the time of the heating action in the winter, the air is humidified by the addition of water vapor at the spray nozzle 10A. The air can be blown into the living room, and desired dehumidification and humidification can be performed in the air flow supplied to the living room.

Condensed water generated by dehumidification can be preferably removed from the drain pipe 8A, and even when water drops accumulate on the bottom surface of the air heat exchanger 1 during the humidifying action, the presence of the drain pipe 8A does not hinder water leakage.
Also, dust and debris adhering to the peripheral surface of the cold / hot water coil 2, that is, the peripheral surface of the fin 2F group, are washed away by a periodic cleaning action in the cleaning nozzle 9A group arranged in the longitudinal direction on the cold / hot water coil 2. Therefore, it is possible to prevent a decrease in heat exchange efficiency due to the adhesion of dust on the cold / hot water coil 2.
A large amount of flowing water generated by cleaning the cold / hot water coil 2 can be removed from the drain pipe 8A without any trouble.

  Therefore, the air heat exchanger 1 of the present invention can perform necessary dehumidifying action, humidifying action and cleaning action in the air heat exchanger 1 on the air in the room without worrying about water leakage, and is narrow in the ceiling or the like. The air heat exchanger 1 can be arranged freely without being restricted by the arrangement position by the radiation panel heater 7A in the cooling and heating system by the radiation panel heater 7A. An air heat exchange system can be suitably implemented.

  In the invention of the air heat exchanger 1, the cold / hot water coil 2 includes, for example, as shown in FIG. 6, a plurality of circulation pipes 2A connected in parallel in the longitudinal direction of the cylinder main body 1A and a fin 2F in the width direction. As shown in FIG. 5 (A), the groups are arranged in a densely parallel manner, extending in the longitudinal direction at the center of the cylinder body 1A in the vertical direction, and below the cold / hot water coil 2, on the intake side of the cold / hot water coil 2 At the end of 1S, a wind deflection plate bb that rises and tilts backward is arranged from the bottom surface of the cylinder body 1A to suppress the inflow of the suction air flow a3 to the bottom surface of the cold / hot water coil 2, and on the upper side of the cold / hot water coil 2, A group of wind deflecting plates bt inclined downward and rearward are arranged so that the passing air volume gradually decreases from the intake side 1S to the supply side 1R, and the air flow a3 flowing from the intake side 1S is placed on the upper surface of the cold / hot water coil 2 The gap between the fin groups 2F is increased by sequentially deflecting from the lower side to the lower side. Flow guided to the lower side from the supply side 1R, preferable to flow out as the air flow a4 from the lower surface of the cold and hot water coil 2.

  In this case, the cold / hot water coil 2 is a conventional technique, as shown in FIG. 6, with fins 2F made of aluminum having a thickness of 0.12 mm arranged in parallel at an interval of 0.54 mm, and end plates 2E, 2E at both ends. 'Is fixed on the circulation pipe 2A group, and the arrangement of the cold / hot water coil 2 in the cylinder main body 1A is arranged and fixed at an appropriate position on the inner surface of the cylinder main body 1A as shown in FIGS. 5 (A) and 5 (B). What is necessary is just to pinch and hold with the lower receiving metal fitting 2K and the upper receiving metal fitting 2K.

  Further, the lower and upper wind deflecting plates bb and bt may be disposed on the fins 2F or the circulation pipe 2A of the cold / hot water coil 2 by conventional locking means, adhesive means, etc. As the bt group, a plurality of plates in which the area of the wind deflecting plate changes from small to large sequentially, from the intake side 1S to the supply side 1R, the inner peripheral surface and the wind deflecting plate bt on the cylinder main body 1A sequentially. What is necessary is just to arrange | position so that the passage space | interval of the air flow a3 may narrow.

  Therefore, if the indoor air is blown into the air heat exchanger 1 through the duct fan 3F from the intake duct tube 3D, the blown air flow a3 is moved into the cylinder body 1A as shown in FIG. Upon entering, the wind deflector bb at the end of the intake / air side 1S of the cold / hot water coil 2 enters the upper part of the cold / hot water coil 2, and the dimensions sequentially change from small to large from the intake side 1S to the supply side 1R. The air flow a3 is divided and deflected for each wind deflection plate bt by the group of wind deflecting plates bt, and flows downward between the cold / hot water coils 2, that is, between the fins 2F, as the air flow a4. The air can be blown into the living room from the lower side of the water coil 2 as a blown air flow a5.

  During the blowing by the duct fan 3F, the lower surface space Sd of the cold / hot water coil 2 is in a low pressure state and the upper surface space Su is in a high pressure state in the cylinder main body 1A, and the high pressure upper surface space Su is changed to a lower pressure lower surface space Sd. Air flow a3 → a4 → a5, so that effective heat transfer by the fin 2F group can be achieved for the air flow from the intake side duct pipe 3D to the supply side duct pipe 4D, and the surface dew condensation water of the fin 2F group The air flow a4 that flows downward through the gaps of the fins 2F can be guided to the bottom surface of the cylinder body 1A, and the air heat exchanger 1 has a small cross-sectional area and is long and can be arranged in a narrow space such as in the ceiling. However, the long and short cold / hot water coil 2 exhibits a powerful dehumidifying function, and the condensed water derived therefrom can be completely eliminated by the drain pipe 8A, so that the high-performance dehumidifier can be arranged freely.

  Further, the wind deflection plates bb and bt are inclined plates provided with vertical anchor pieces an as shown in FIG. 5, and the inclined outer peripheral shape of the wind deflection plates bb and bt is similar to the inner peripheral shape of the cylinder body 1A. The wind deflection plates bb and bt are arranged in such a manner that the anchor pieces an are inserted into the gaps between the fins 2F of the cold / hot water coil 2 and arranged on the lower surface of the front end of the cold / hot water coil 2. The wind deflector bt disposed on the upper surface of the rear end preferably closes the inner surface of the cylinder body 1A.

In this case, when the cylindrical main body 1A has a circular cross section, as shown in FIG. 5, the wind deflection plates bb and bt project the vertical anchor pieces an group apart from the chord side fb of the inclined arc plate, The inclined wind deflector bt may be prepared with bt1, bt2, bt3, bt4, bt5, and bt6 with the outer peripheral edge of the circular arc plate having the same curvature as that of the inner peripheral surface of the cylinder main body 1A and gradually decreasing in diameter. .
The uppermost wind deflection plate bt1 and the lower wind deflection plate bb may be sized such that the outer peripheral edge of the inclined arc plate contacts the inner periphery of the cylinder body 1A.

  Further, the thickness of the wind deflector plates bb and bt is set to 0.4 mm for the standard type in which the distance between the fins 2F is 0.54 mm so that it can be inserted into the gap between the fins 2F. If the anchor piece an is pushed into the gap of the fin 2F until the chordal side fb of the wind deflecting plates bb and bt comes into contact with the circulation pipe 2A, the arrangement of the wind deflecting plates bb and bt can be ensured. For the wind deflection plate bt and the lower wind deflection plate bb, the anchor piece an may be inserted between the end plates 2E, 2E ′ and the outermost fin 2F.

  Therefore, the installation of the respective wind deflecting plates bb and bt can be easily performed by inserting them into the gaps of the fins 2F, and the upper wind deflecting plates bt (bt1, bt2...) Group as shown in FIG. The air flow can be freely distributed to the lower through air flow a4 of the upper through air flow a3 in the cylinder main body 1A, and the air heat exchanger 1 includes a group of fins 2F arranged in the width direction in the long cylindrical body. Although the cold / hot water coil 2 is arranged, the through-flowing whole air undergoes a high-efficiency heat exchange action due to the flow-down between the fins 2F, and the condensed water generated in each fin 2F also flows downward between the fins 2F. It can be guided to the bottom with air, and exhibits a high dehumidifying function under the guarantee of condensation discharge of each fin 2F.

The air heat exchanging system of the present invention is a cold / hot water circulation system for a radiant panel heater for cooling / heating as circulating water to a chilled / hot water coil 2 built in the air heat exchanger 1, that is, the equipment of the heat radiation circuit 7 for the radiant panel heater 7A. Therefore, a dehumidification and humidification system can be easily added to one cooling / heating water circulation type heating / cooling system, and an air conditioning system equipped with an air conditioning / dehumidification function is rationally implemented at low cost and energy saving. I can do it.
And since the circulation circuit 6 for an air heat exchanger branches in the upstream of the heat radiating circuit 7 for air conditioning, the water supply to the air heat exchanger 1 does not receive restrictions of the water supply temperature to the panel heater for air conditioning, The temperature can be freely selected as appropriate and water can be preferentially sent, and the air conditioning in the living room can be controlled independently and independently by the heat dissipation circuit 7 and by the circulation circuit 6 in the air heat exchanger 1. Therefore, it is possible to provide air conditioning at a temperature and humidity according to the resident's preference.

Moreover, since the air heat exchanger 1 that exhibits the dehumidifying function can be arranged by a branch piping means from the heat radiation circuit for cooling and heating, there is a degree of freedom of arrangement, and it can be freely constructed even in a small house, from the facility construction side. However, it can meet the demands of consumers from the viewpoint of appearance.
In the present invention, the air heat exchanger sucks the indoor air and dehumidifies it, and the air is blown back into the room as cooling air, so that the influence of the outdoor high-temperature and high-humidity air is directly affected. The temperature and humidity control in the room can be achieved with energy saving.

In the present invention, the sensible heat is air-conditioning / heating by the radiation panel heater 7A, and the latent heat can be controlled by the air heat exchanger. Therefore, unlike the conventional example 3, the equipment is not excessive and effective air conditioning. (Air conditioning), that is, air conditioning with humidity control, can be implemented inexpensively and reasonably.
Further, since the intake circuit 3 and the supply circuit 4 to the air heat exchanger 1 can be applied in a duct system, the power consumption is low, and the air heat exchange system is a system with reduced running cost.
In addition, the cooling and heating air blowing from the supply grille 4G to an arbitrary position in the living room can be easily and freely performed by a branch pipe from the duct in the ceiling .
During cooling operation of the air heat exchange system, in order to blow a part of the blown air on the surface of the radiation panel heater 7A from the outlet 4K of the ceiling C, a still air layer in contact with the surface of the panel heater 7A, By blowing off the upper and lower layer flow outside the still air layer, the air heat transfer action on the surface of the heater 7A is enhanced to increase the cooling effect, and the occurrence of condensation on the surface of the radiation panel heater 7A can also be suppressed .

  Further, the invention of the air heat exchanger 1 can be installed in any place where the intake side duct pipe 3D can be connected to the front end and the supply side duct pipe 4D can be connected to the rear end, and the air flowing through the air heat exchanger 1 can be installed. On the other hand, due to the action of the cold / hot water coil 2, dehumidification by the cooling action can be performed in the summer, and humidification can be performed by the spray nozzle 10 </ b> A during the heating in the winter. Dehumidification and humidification can be performed freely and independently from the air conditioning system.

And the dew condensation water produced by dehumidification and the water droplet accumulation produced at the time of heating can be eliminated from the drain pipe 8A without any trouble.
Also, dust and debris adhering to the peripheral surface of the cold / hot water coil 2, that is, the peripheral surface of the fin 2F group, are washed away by a periodic cleaning action in the cleaning nozzle 9A group arranged in the longitudinal direction on the cold / hot water coil 2. Therefore, it is possible to prevent the heat exchange efficiency from being lowered due to the dust adhering to the cold / hot water coil 2, and the washing water can be removed by the drain pipe 8A.

  Therefore, the air heat exchanger 1 of the present invention can perform the necessary dehumidifying action, humidifying action and cleaning action for maintaining the function on the air in the room without worrying about water leakage, and can be applied to a narrow space such as in the ceiling. The air heat exchanger 1 can be arranged freely without being restricted by the arrangement position by the radiation panel heater 7A, and the air heat exchange system according to claim 1 can be suitably implemented. .

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole explanatory drawing of the air heat exchange system of this invention, Comprising: (A) is a cross-sectional top view inside a living room, (B) is a vertical side view. It is flowing water circuit explanatory drawing of this invention system, Comprising: (A) is a whole circuit diagram, (B) is a principal part enlarged view. It is airflow explanatory drawing of this invention system, Comprising: (A) is a whole explanatory diagram, (B) is explanatory drawing in an air heat exchanger, (C) is explanatory drawing of a supply part, (D) is a trumpet pipe FIG. It is explanatory drawing of an air heat exchanger, Comprising: (A) is an arrangement | positioning side view, (B) is a perspective view, (C) is the arrow C view of (B), (D) is the arrow of (B). D view, (E) is an arrow E view of (B). It is explanatory drawing of an air heat exchanger, (A) is a vertical side view, (B) is BB sectional drawing of (A), (C) is a front view of an upper wind deflection plate group, (D) is (E) is a front view of the lower wind deflection plate, (F) is a side view of the lower wind deflection plate, (G) is a front view of the water stop plate, and (H) is a stop view. It is a side view of a water plate. It is whole explanatory drawing of a cold / hot water coil, Comprising: (A) is a top view, (B) is the arrow B view of (A), (C) is the arrow C view of (A), (D) is (A) FIG. It is a partial explanatory view of a cold / hot water coil, (A) is a flow chart of a circulation pipe, (B) is a longitudinal cross-sectional view of the BB line of (A), (C) is a perspective view of fin 2F. It is a prior art example, Comprising: (A) is a vertical side view of the dehumidifier of the prior art example 1, (B) is a vertical side view of the dehumidifier of the prior art example 2. It is a prior art figure, Comprising: (A) is a circuit diagram of the air heat exchanger for dehumidification of the prior art example 3, (B) is a vertical side view of the room air conditioner of the prior art example 4.

[Overall configuration of air heat exchange system]
As shown in FIGS. 1 (A) and 1 (B), the air heat exchange system of the present invention supplies circulating cold / hot water from a water heat exchange unit 6C connected by an outdoor unit 6A arranged outdoors and a refrigerant pipe 6B to a forward header 6S. Water is sent through the circulation pump 6N, and a circulation circuit 7 for circulating water is arranged from the outgoing header 6S to the return header 6R via the radiation panel heater 7A in each room. This is a system in which a cold / hot water circulation type air heat exchange system using a novel air heat exchanger 1 is additionally coupled to a conventional cold / hot water circulation air conditioning system that returns the facility water to the exchange unit 6C.

  That is, as shown in FIG. 1B, the air heat exchanger 1 is disposed in the ceiling C, and the air heat exchanger 1 in the ceiling is connected to the duct pipe by the duct fan 3F from the intake grill 3G disposed on the ceiling surface. The air in the room is sucked in 3D, and the air flow dehumidified or humidified by the air heat exchanger is supplied to the room from the supply grille 4G arranged in a suitable place in the room. As shown in FIG. 5 (A), a cold / hot water coil 2 that circulates cold / hot water and transfers heat to the air that flows through the surroundings is arranged. The spray nozzle 10A is suspended and a water stop plate 8R is disposed at the rear end on the bottom surface, and the drain pipe 8A is projected and suspended close to the water stop plate 8R.

  Moreover, the cold / hot water coil 2 is arrange | positioned in the upper-lower intermediate layer of the air heat exchanger 1, and the upper surface space Su of the cold / hot water coil 2 is provided with the wind deflection plate bt group and the uppermost space of the end of the cold / hot water coil 2. Su is closed, and the air passage flow rate of the space Su is sequentially decreased from the front end to the rear end, and the wind deflector bb for closing is disposed at the front end in the lower surface space Sd of the cold / hot water coil 2. The intake air flow a3 is all deflected from the upper surface space Su to flow downward through the gaps between the fins 2F of the cold / hot water coil 2 to exchange heat, and then supplied from the lower surface space Sd of the cold / hot water coil 2 4D → flows into the living room.

  Further, in order to add an air heat exchange system adopting a novel air heat exchanger to the conventional cold / hot water circulation air conditioning system, as shown in the flowing water circuit of FIG. 2, the forward header 6S from the water heat exchange unit of the air conditioning system. A branch point P1 is arranged up to this point, and a cold / hot water circulation circuit 6 for the air heat exchanger 1 of the branch point P1 → the cold / hot water coil 2 → the return side header 6R is attached to the heat radiation circuit 7.

  That is, the chilled / hot water circulation circuit 6 for the chilled / hot water coil 2 of the air heat exchanger 1 includes T in the large-diameter pipe path from the water / heat exchange unit 6C to the outgoing header 6S as shown in FIG. A small-diameter pipe 6P 'communicates with the forward connection port 2S of the cold / hot water coil 2 via the mold socket 6D, and communicates with the return-side header 6R through the small-diameter pipe 6P' from the return-side connection port 2R of the cold / hot water coil. The return side header 6R joins the circulating water in the cold / hot water coil 2 with the circulating water in the heat dissipation circuit that circulates through the radiation panel heater 7A, and recirculates it to the water heat exchange unit 6C.

In the large-diameter pipe 6P "path from the water heat exchange unit 6C to the outgoing header 6S, as shown in FIG. 2B, downstream from the branch point P1, the gate valve 6F, the electric three-way valve 6T, In the large-diameter pipe 6P "route from the return side header 6R to the water heat exchange unit 6C, the T-type socket 6D is arranged at the second branch point P2, and the electric motor in the forward side route is arranged. A bypass passage b7 by a large-diameter pipe 6P ″ is disposed between the three-way valve 6T, a gate valve 6F is disposed in the bypass passage b7, a thermo sensor 5T is disposed upstream of the second branch point P2, and electric A temperature setting dial 6g is disposed on the three-way valve 6T, and a thermo sensor 5T and a temperature detector 5S disposed indoors are connected to the electric three-way valve 6T.
As shown in FIG. 1A, the air heat exchanger 1 includes a cleaning circuit 9 in the air heat exchanger that communicates with the cleaning nozzle 9A group, a humidifying circuit 10 that is connected to the spray nozzle 10A, and a drain. A circuit 8 is provided.

[Cold / hot water coil 2 (FIGS. 6 and 7)]
The cold / hot water coil 2 is housed in a cylindrical air heat exchanger 1 and circulates cold / hot water in the cold / hot water coil 2 to perform a heat exchange action on an air flow flowing through the air heat exchanger. The heat / heat transfer fins protrude from the outer periphery of the cold / hot water circulation pipe, and the cold / hot water coil itself is commonly used.
The cold / hot water coil 2 used in the present invention can be suitably accommodated in a novel cylindrical air heat exchanger 1, and is provided in a plurality of long and longitudinally arranged circulation pipes 2A. The fins 2F group for heat transfer are densely arranged in parallel in the width direction, and the fins 2F group exchange heat with an air flow that flows through the fins 2F group in the longitudinal direction.

  As shown in FIG. 6, the overall structure of the cold / hot water coil is as follows: the arrangement length L2 of the fins 2F group is 650 mm, the vertical thickness (height) h2 of the fins 2F is 42.3 mm, and the width W2 of the fins 2F is 106.5 mm. The fins 2F are densely arranged in parallel at intervals of 0.39 mm on the parallel circulation pipes 2A, and end plates 2E, 2E ′ having the same surface shape as the fins 2F are arranged at both ends thereof. Is fixed to the circulation pipe 2A in a form inserted through the circulation pipe 2A to prevent the fin 2F group from being held and dropped.

  As shown in FIG. 7C, the fin 2F is an aluminum plate having a width W2 of 106.5 mm, a height h2 of 42.3 mm, and a wall thickness of 0.12 mm. The fin 2F has four in the upper row and four in the lower row. Two upper and lower rows of circulation pipes 2A penetrating holes H2 are provided in a staggered manner, the center-to-center dimension ha between the upper and lower penetrating holes H2 is 22.3 mm, and the dimension between the center of the upper and lower hole rows and the fin edge is 10 mm The center-to-center dimension wa of the hole H2 is 25.4 mm, the dimension between the hole H2 and the fin side edge, wb is 23.9 mm, and wc is 6.4 mm. When the penetration hole H2 is drilled for each fin 2F, When the opening jig is drilled, the bulge around the hole H2 generated on the back surface side is set to 0.39 mm, and the interval between the fins 2F is brought into close contact with the penetration hole H2 when the circulation pipe 2A is inserted into the penetration hole H2. Then, they are arranged at intervals of 0.54 mm.

  As shown in FIG. 6, the circulation pipe 2A group is arranged with respect to the parallel circulation pipe 2A group of the upper and lower four staggered arrangement of the upper four and the lower end plates 2E and 2E ′, as shown in FIG. At the rear end (left end of FIG. 6 (A)), as shown in FIG. 6 (C), two hairpin tubes 2B are connected to each other, and at the front end (right end of FIG. 6 (A)), U vent 2C is connected. As shown in FIG. 6 (D), the inlet / outlet pipe 2D is connected to the circulation pipe 2A at the upper left end and the lower right end, and one of the inlet / outlet pipes 2D serves as an outgoing connection port 2S and the other as a return connection port 2R. As shown in FIG. 6B, it protrudes forward from the lower end of the fin 2F by Ld (standard: 80 mm), as shown in FIG. 6D, protrudes upward from the fin upper edge by Lh (standard: 80 mm), and 2S and 2R It is created in a form that maintains the center-to-center dimension Wd (standard: 30 mm).

  Accordingly, as shown in FIGS. 7A and 7B, the cold / hot water coil 2 has an inflow water from the forward connection port 2S when viewed from the front end side of the cold / hot water coil 2, that is, the right side of FIG. 7A. 7B flows into the circulation pipe 2A at the upper row end position of the fin 2F as f1, and f2 → f3 → f4 → f5 → f6 → f7 → f8 → f9 and staggered fins 2F It returns to the return side connection port 2R from the flow f9 of the circulation pipe 2A that penetrates the fin penetration hole H2 at the right end of the lower row while exchanging heat, and can exchange heat with the fin 2F.

[Air heat exchanger 1 (FIGS. 4 and 5)]
The air heat exchanger 1 of the present invention accommodates a cold / hot water coil in the cylinder body 1A, cools hot and humid air in the summer in the room flowing in from the intake side 1S, generates condensed water, and reduces moisture. Waste that adheres to the cold / hot water coil is supplied to the living room as low-temperature, low-humidity air, or supplied to the room as high-temperature, high-humidity air by heating and humidifying the low-temperature dry air in winter. Therefore, the dew condensation water and cleaning water accumulated in the air heat exchanger 1 can be removed from the drain pipe 8A without any trouble.

  As shown in FIG. 5 (A), the entire structure of the air heat exchanger 1 is configured such that the cold / hot water coil 2 is extended and arranged in the upper and lower intermediate layers over substantially the entire length of the long cylinder body 1A, and the front end of the cold / hot water coil 2 is arranged. The inlet / outlet pipe 2D is erected and protrudes upward from the cylinder body 1A as the forward connection port 2S and the return connection port 2R, and the lower surface space Sd of the cold / hot water coil 2 is provided with a wind deflection plate bb on the lower surface of the front end of the coil 2 In the upper surface space Su of the coil 2, the wind deflector bt group is arranged so that the passing air volume decreases sequentially from the front part to the rear part, and all the inflow air from the intake side 1 S 2 is guided to the upper surface space Su and flows through the gaps of the fins 2F from the upper surface space Su to the lower surface space Sd, and on the supply side 1R, all airflow is supplied from the lower surface space Sd of the coil 2 to the living room. It is.

  Then, over the entire length of the cold / hot water coil 2 in the front-rear direction, the group of cleaning nozzles 9A is spaced above the cold / hot water coil 2, and the spray nozzle 10A is suspended from above the front end of the coil 2 as necessary. Thus, it is possible to wash away the dust in the cold / hot water coil 2 or to humidify the air flowing through the air heat exchanger 1 with the spray nozzle 10A, and the dew condensation water and washing water accumulated in the air heat exchanger 1 The drain circuit 8 from the drain pipe 8A can be removed without any trouble.

[Assembly of the air heat exchanger 1 (FIGS. 2 and 3)]
As a cylinder body 1A that defines the outer shape of the air heat exchanger 1, as shown in FIG. 4 (B), a rigid polyvinyl chloride pipe having an inner diameter r1 of 131 mm, a wall thickness of 4.5 mm, and a length L1 of 890 mm is prepared. On the upper surface of the main body 1A, the cleaning nozzle 9A insertion hole H1 group and the spray nozzle 10A insertion hole H1 ′ at the front end are perforated at appropriate intervals, and from the front end of the upper surface, as shown in FIG. A slit-shaped notch 1G with a width of 10 mm and a length of 70 mm is arranged at an interval wd (30 mm), and a hole for a drain pipe is opened at a desired dimension (standard: 75 mm) from the rear end. A drain pipe 8A made of a hard vinyl chloride pipe having a length of 3.5 mm and a length of 40 mm is fixed in a suspended manner.

Next, as shown in FIGS. 4 (B) and 5 (B), a 1.3 mm thickness in which both ends are provided with anchor pieces 2K ′ for contacting the cylinder body 1A at appropriate positions in the longitudinal direction of the inner periphery of the cylinder body 1A. Then, the 25 mm wide aluminum receiving bracket 2K is fixed with screws 2N in the radial direction as a lower receiving bracket.
Further, as shown in FIG. 6, the cold / hot water coil 2 prepared in advance includes a plurality of anchor pieces an from the chord side of a 0.4 mm thick aluminum arc-shaped plate as shown in FIGS. The lower wind deflector bb and the upper wind deflector bt are arranged by bending the arc-shaped plate by 45 °.

  In this case, as the upper wind deflector bt, as shown in FIG. 5 (C), a plurality of arc-shaped plates having the same curvature and the diameter changed from large to small bt1, bt2, bt3, bt4, bt5 , Bt6, and as shown in FIG. 5 (A), the lower wind deflector bb is inserted and the anchor piece an is inserted between the end plate 2E and the fin 2F. Similarly, the upper wind deflector bt Bt1, which has the maximum diameter at the end, is inserted into the end plate 2E ′ and the fin 2F by inserting the anchor piece an, and the arc-shaped plate is sequentially changed from the rear part to the front part so that the diameter changes from large to small. An anchor piece an having a thickness of 0.4 mm and a spacing of 110 mm between bt5 and bt6 is inserted into the gap between the fins 2F (standard: 0.54 mm), and the upper and lower wind deflection plates bt and bb are placed on the upper and lower surfaces of the coil 2. Deploy.

Next, as shown in FIGS. 4B and 4C, the cold / hot water coil 2 is inserted into the cylinder body 1A from the intake side of the cylinder body 1A, and the forward connection port 2S and the return connection port 2R are connected to the cylinder body. 1A is inserted into the slit-shaped notch 1G on the upper surface, and the cold / hot water coil 2 is placed on the metal fitting 2K, and the upper surface of the cold / hot water coil 2 is also received at an appropriate position as shown in FIG. The metal fitting 2K is brought into contact, and the anchor piece 2K ′ of the metal fitting 2K is fixed with a screw 2N from the outside.
Further, as shown in FIGS. 5G and 5H, on the lower surface of the rear end of the cylinder main body 1A, an arc side having the same curvature as the cylinder main body 1A has an arc side 8T at the arc edge and a horizontal upper side 8F at the chord edge. 4B and (E), the fixing plate 8R is fixed with screws 8N so as to close the lower half of the cylinder main body 1A, and the mounting air heat exchanger 1 and Become.

[Building an air heat exchange system]
(Installation of air heat exchanger 1)
After constructing the building structure and the outer wall, the ceiling frame is assembled in each room, and the air heat exchanger 1 for mounting and the duct fan 3F are suspended by conventional means, for example, before the ceiling finishing material is attached. As shown in FIG. 4 (A), a bolt is attached to the floor joist on the second floor and suspended, and the intake side 1S of the air heat exchanger 1 is ducted by a duct pipe 3D as an intake circuit 3 through a reducer pipe 3E. The fan 3F is connected to the pipe, the duct fan 3F is connected via the air intake grille 3G on the ceiling surface and the filter 3C, and the supply side 1R of the air heat exchanger 1 is also connected to the supply circuit 4 via the reducer pipe 3E. Then, the duct pipe 4D is piped, and the duct pipe 4D is connected to the outlet 4K on the upper ceiling surface at the center of the width of the radiation panel heater 7A and the supply grill 4G at the appropriate place on the ceiling C.
And the duct fan 3F is connected with the humidity detector 5E of the indoor arrangement | positioning with the electric wire 5R, as shown to FIG. 1 (A).

  In this case, the end of the duct tube 4D of the supply circuit 4 is fitted with the cylindrical tube 4B at the base end of the trumpet tube 4R in the connecting cylinder 4F of the supply grille 4G arranged on the ceiling surface as shown in FIG. Then, the trumpet tube 4R is fixed to the supply grille 4G with the screw n4, and the duct tube 4D has a tip exposed to a standard 20 mm from the coated heat insulating layer 4A made of conventional glass fiber, and the tip of the coated heat insulating layer 4A is exposed to the trumpet tube. 4R expanded conical pipe 4U is aligned with the edge of the pipe, and there is a small space (standard: 15mm) space S for air induction between the inner periphery of the front end of the trumpet pipe 4R and the duct pipe insulation layer 4A. In this manner, the supply grille 4G communicates with the trumpet pipe 4R.

(Arrangement of cleaning circuit 9)
Then, as shown in FIG. 5 (A), a conventional fan spray type cleaning in which a strainer is integrated in a group of insertion holes H1 arranged at intervals (standard: 110 mm) on the upper surface of the cylinder body 1A of the air heat exchanger 1. The nozzle 9A group is fitted into a steel pipe water supply pipe 9B arranged on the upper surface of the cylinder main body 1A, and the water supply pipe 9B is fixed to the cylinder main body 1A, and is extended and arranged in the building as shown in FIG. The cleaning circuit 9 is formed by connecting the water supply main pipe 9C and the water supply pipe 9B via the solenoid valve 6M and the timer switch 9D.
In this case, each cleaning nozzle 9 </ b> A is disposed at the center between the respective wind deflection plates bt disposed on the upper surface of the cold / hot water coil 2.

(Arrangement of humidification circuit 10)
As shown in FIGS. 5 (A) and 5 (B), the strainer is integrated from the distal end of the steel pipe branch pipe 10B extending to the upper surface of the cylinder body 1A through the insertion hole H1 ′ of the cylinder body 1A. A conventional spray nozzle 10A having a pressurizing function in itself, a spray pattern having a conical shape, and an even flow distribution is suspended above the front end of the cold / hot water coil 2, and the branch pipe 10B is shown in FIG. As shown in the figure, the electromagnetic valve 6M is connected to the hot water supply pipe 10C extended in the building, and the electromagnetic valve 6M is connected to the humidity detector 5E disposed in the room by the electric wire 5R, and is controlled by the instruction of the humidity detector 5E. Arrange them so that they can be controlled.

(Drain circuit layout)
Drainage pipe of the same quality and shape as the drain pipe 8A through a conventional elbow joint, socket joint, and nipple joint to a drain pipe 8A projecting from the rear end of the bottom surface of the cylinder body 1A of the air heat exchanger 1 at a position of 75 mm. The drain circuit 8 is arranged by continuously piping the pipe 8B.
The drain pipe 8A and the drain pipe 8B are covered with a conventional heat insulating material to prevent condensation.

(Arrangement of heat dissipation circuit 7 and cold / hot water circulation circuit 6)
As shown in the flowing water circuit diagram of FIG. 2 (B), the air-conditioning / heat-dissipating circuit 7 includes an outdoor unit 6A including a conventional condenser 6a, a condenser fan 6b, and a compressor 6d, and a refrigerant pipe 6B. The water heat exchange unit 6C of the heat pump type heat source unit composed of the expansion valve 6e, the water heat exchanger 6f incorporating the cold / hot water coil 6m, the tank 6i, and the water heat exchange unit 6C composed of the circulation pump 6n. Then, a plastic resin pipe (cross-linked polyethylene pipe (JISK6769)) 6P ″ having a large diameter (inner diameter: 21.2 mm, wall thickness 2.9 mm) is pulled out and connected to the forward header 6S.

As shown in FIG. 2B, the large-diameter pipe 6P ″ between the water heat exchange unit 6C and the forward header 6S includes a T-type socket 6D for the branch point P1 and a gate valve from upstream to downstream. 6F, electric three-way valve (manufactured by Ben Co., Ltd., ML-1T type electric valve) 6T, and circulation pump 6N are sequentially arranged.
Further, a T-type socket 6D for the branch point P2 is arranged in the return side path of the large-diameter pipe 6P ″ from the return side header 6R to the water heat exchange unit 6C, and goes back to the T type socket 6D of the return side path. The electric three-way valve 6T in the side path is communicated with the bypass passage b7 of the large-diameter pipe 6P ″, and the gate valve 6F is also disposed in the bypass path b7. ) TA temperature sensor manufactured by Yamatake) 5T is placed.
The electric three-way valve 6T is connected to the indoor temperature detector 5S and the thermosensor 5T with an electric wire 5R, and includes a temperature setting dial 6g.

Then, a plastic resin pipe (cross-linked polyethylene pipe) 6P having a small diameter (inner diameter: 9.8 mm, wall thickness: 1.6 mm) is extended from the forward header 6S and connected to the radiation panel heater 7A supply port 7S, and the discharge port A heat radiating circuit 7 is formed by communicating with the return side header 6R through a small diameter pipe 6P from 7R.
Further, from the T-type socket 6D at the branch point P1 of the forward path, a small-diameter pipe 6P ′, which is the same as the small-diameter pipe 6P for the heat radiating circuit 7, is extended to the cold / hot water coil 2 in the air heat exchanger 1. Connected to the forward connection port 2S, the return side connection port 2R of the cold / hot water coil 2 communicates with the return side header 6R through a small diameter pipe 6P ′, and the flowing water of the cold / hot water circulation circuit 6 for the air heat exchanger 1 is Then, the refrigerant flows back through the path P1 → the air heat exchanger 1 → the return side header 6R of the heat dissipation circuit 7 and joins the circulating water of the heat dissipation circuit 7 with the return side header 6R.

[Operation of air heat exchange system]
1. Cooling operation in summer:
In the cooling operation, the water supply temperature from the water heat exchange unit 6C to the outgoing large diameter pipe 6P ″ is 7 ° C., the temperature setting dial 6g of the electric three-way valve 6T is 15 ° C., that is, the water supply temperature to the heat radiation circuit 7 is 15 ° C. The heat radiation circuit 7 and the cold / hot water circulation circuit 6 were operated while the duct fan 3F was driven and the air in the room by the intake circuit 3 and the supply circuit 4 to the air heat exchanger 1 was circulated.

  Then, in the air heat exchanger 1 at the initial stage of operation, as shown in FIG. 2, the circulating water at 7 ° C. flows from the branch point P1 to the cold / hot water coil 2 in the air heat exchanger by the water flow indicated by the arrow w1. The air flows in from the connection port 2S, flows in the circulation pipe 2A in the coil 2, cools and dehumidifies the air flow a3 sucked from the intake circuit 3 in the air heat exchanger 1, and dissipates heat in the coil 2. Then, the water flow w2 having a standard water temperature of 13 ° C. flowed from the return side connection port 2R of the coil 2 into the return side header 6R through the valve 6E ′ of the return side header 6R.

  Further, in the heat radiation circuit 7 in the initial stage of operation, as shown in FIG. 2, the water flow w3 flowing into the heat radiation circuit 7 at 7 ° C. from the branch point P1 of the forward side path into the large-diameter plastic resin pipe 6P ″ It flows out from the inflow port 6X of the electric three-way valve 6T to the outflow port 6Z through the gate valve 6F, passes through the circulation pump 6N, and flows into the water flow w4, and the water flow w5 in the small diameter plastic resin pipe 6P from each valve 6E of the forward side header 6S. Then, it flows into the radiation panel heater 7A from the supply port 7S, circulates and dissipates heat in the panel heater 7A, reaches 17 ° C., and returns to the header 6R by the water flow w6 in the small-sized plastic resin pipe 6P from the discharge port 7R. From the air heat exchanger 1 and merged and mixed with 13 ° C. reflux water from the air heat exchanger 1 to form 16.2 ° C. merged cold water from the return side header 6R to a large-diameter plastic resin pipe 6P ”. In water flow w7, and the return-side path running water to water heat exchanger unit 6C.

  In this case, the electric three-way valve 6T senses the inflow temperature from the inflow port 6X by setting the outflow temperature of the outflow port 6Z, that is, the water supply temperature to the forward side header 6S, with the temperature setting dial 6g, and the thermo sensor By detecting the temperature of the flowing water from the return side header 6R at 5T, the inlet 6X from the water heat exchange unit and the inlet 6Y from the bypass flow path b7 are calculated and released by a proportional distribution method.

  In the initial stage of operation, since the flowing water from the return side header 6R, that is, the mixed water flow of 17 ° C. reflux from the radiation panel heater 7A and 13 ° C. reflux from the air heat exchanger 1 is 16.2 ° C. In the electric three-way valve 6T, the inlet 6X is opened 12%, the inlet 6Y from the bypass passage b7 is opened 88%, and 88% of the flow rate from the outlet 6Z is a bypass passage from the return side header 6R. The combined water of water and 12% of the inflow water from the water heat exchange unit 6C at a water temperature of 15 ° C. was sent to the outgoing header 6S.

  During normal cooling operation, in the air heat exchanger 1, as in the initial operation, 7 ° C. cold water absorbs 6 ° C. in the coil 2 and becomes 13 ° C. cold water and returns to the return side header 6R to dissipate heat. In the circuit 7, cold water of 15 ° C. is sent from the outlet 6Z of the electric three-way valve 6T to each panel heater 7A via the forward header 6S, and returned to 25 ° C. by cooling heat radiation in the panel heater 7A. Refluxed to side header 6R.

  In this case, in the return side header 6R, the return water of 13 ° C. from the air heat exchanger 1 and the return water of 25 ° C. from the panel heater 7A merge to form cold water of 22.6 ° C. Is returned to w7 → w8 and the water heat exchange unit 6C, but by the action of the electric three-way valve 6T, the inlet 6Y from the bypass path b7 is opened 50%, and the inlet 6X from the water heat exchange unit 6C is opened 50%. Since the water is fed from the outlet 6Z to the outgoing header 6S at 15 ° C., the return flow rate from the return header 6R to the water heat exchange unit 6C is halved, and the heat exchange energy in the water heat exchange unit 6C can be saved. .

And by the cooling operation, the radiation panel heater 7A can be cooled to the set temperature by radiant heat radiation, and the air in the room is dehumidified, so that the human body feels lower than the set temperature for cooling, and is refreshing. A good cooling environment was obtained.
Moreover, since a part of the supply air flow dehumidified by the air heat exchanger 1 is blown down along the radiation panel heater 7A from the ceiling outlet 4K, surface condensation on the radiation panel heater 7A can be suppressed.
The dehumidified air blown out from the supply duct pipe 4D is cooled by the heat exchange for dehumidification in the coil 2, so that it becomes an air flow that feels cold, but the blower air flow is caused by the trumpet pipe 4R arranged at the end of the duct. Since a6 joins and blows off the non-cooling air ac in the ceiling, the extreme cold air current below the supply grille 4G was eased.

  As shown in FIG. 3B, the dehumidifying action of the air heat exchanger 1 is such that the intake air flow a3 from the intake side 1S is converted into a lower wind deflection plate bb and an upper wind deflection plate bt1. .. bt6 allows the coil 2 to flow through the gap of the fin 2F from the high pressure upper surface space Su to the low pressure lower surface space Sd, and to blow air from the lower space Sd to the supply side 1R, that is, the supply side duct pipe 4D. Therefore, despite the intake air flow a3 flowing in the direction orthogonal to the width direction of the fins 2F, the fins 2F group exhibited a high heat exchange rate, and the air heat exchanger 1 exhibited high dehumidification efficiency.

In the air heat exchanger 1, the condensed water of the fins 2F generated by the dehumidifying action is accumulated on the lower surface of the cylinder main body 1A by the descending air flow a4 flowing between the fins 2F, and is hindered by the drain circuit 8 from the drain pipe 8A. I was able to eliminate it.
When the indoor air reaches the set humidity, the duct fan 3F is stopped by the control of the humidity detector 5E. However, since the cold / hot water circulation circuit 6 is always in operation, the duct fan 3F, that is, the dehumidifying action is If there is a command from the humidity detector 5E, a response operation can be performed immediately.

2. Heating operation:
In the winter heating operation, 45 ° C. hot water is supplied from the water heat exchange unit 6C to the heat radiating circuit 7, that is, the outgoing large-diameter pipe 6P ″, and radiated by 10 ° C. from the radiating panel heater 7A via the outgoing header 6S. Then, in the circulation circuit 6 returned to the return side header 6R and branched by the small-diameter pipe 6P 'from the branch point P1, the coil 2 dissipates 6 ° C of hot water of 45 ° C and returns to the return side header 6R at 39 ° C. Watered.

  Therefore, as shown in FIG. 2 (B), the electric three-way valve 6T sets the water supply temperature to the forward header 6S, that is, the outlet 6Z temperature to 40 ° C. with the temperature setting dial 6g, and the return header 6R. The water flow w6 at 35 ° C. from the heat radiating circuit 7 and the water flow w2 from 39 ° C. from the air heat exchanger 1 are mixed, and the water flow w7 that has reached 35.8 ° C. from the return side header 6R is passed through the bypass flow path b7. The thermosensor 5T measures and notifies the electric three-way valve 6T upstream of the branch point P2, so that the electric three-way valve 6T has an inlet temperature of the inlet 6X (standard: 45 ° C.) and a water supply temperature of the outlet 6Z. (Standard: 40 ° C.) and the notification temperature from the thermosensor 5T, that is, the incoming temperature (35.8 ° C.) of the water flow w9 from the bypass channel b7 to the inlet 6Y, the water flows w3 and 6Y from the inlet 6X. Water flow w9 Calculated in the example allocation scheme, opening the inlet 6X 45% inlets 6Y opened 55%, setting the outlet 6Z temperature (standard: 40 ° C.) was water in the water flow w4 forward side header 6S of.

In this case, the return water flow w7 passing from the return side header 6R through the large diameter pipe 6P ″ has a flow rate of 55% from the branch point P2 to the electric three-way valve 6T by the bypass flow path b7 and the remaining 45% flow rate to the electric three-way valve 6T. Water is returned to the water heat exchange unit 6C with the water flow w8 and reheated, and the bypass flow path b7 is arranged, so that the heat exchange load in the water heat exchange unit 6C can be reduced.
The air heat exchanger 1 can perform the necessary humidification in the humidifying circuit by the control action of the humidity detector 5E, and the radiant heat heating by the radiation panel heater 7A by the heat radiating circuit 7 and the air heat exchanger Comfortable heating can be performed by heating and humidifying the air in the room.

3. Mid-term operation:
In the intermediate period from winter to summer and from summer to winter, as shown in FIG. 2 (B), the electric three-way valve is connected between the branch point P1 of the forward path and the electric three-way valve 6T and from the branch point P2 of the return path. The gate valve 6F arranged in the bypass flow path b7 to 6T is closed, and the flowing water circuit is only the circuit of the water heat exchange unit 6C → the air heat exchanger 1 → the return side header 6R → the water heat exchange unit 6C, that is, the air heat. Only the cold / hot water circulation circuit 6 for the exchanger is operable, and the heat radiation circuit 7 of the radiation panel heater 7A is closed.
Then, if hot water or cold water is circulated through the air heat exchanger 1 according to the necessity of the temperature and humidity environment in the living room, it becomes possible to provide the necessary high-temperature humidified air or low-temperature and low-humidity air into the living room. In the period, air conditioning corresponding to the intermediate period became possible only by operating the air heat exchanger without performing the air conditioning operation by the radiation panel heater 7A.

DESCRIPTION OF SYMBOLS 1 Air heat exchanger 1A Cylinder body 1G Notch 1R Supply side 1S Intake side 2 Cold / hot water coil (coil)
2A Circulation pipe 2B Hairpin tube 2C U vent 2E, 2E 'End plate 2F Fin 2K Fitting 2R Return side connection port 2S Outward side connection port 3 Intake circuit 3D, 4D Duct tube 3E Reducer tube 3F Duct fan 3G Intake grill 4 Supply Circuit 4A Insulation insulation material 4B Cylindrical tube 4G Supply grill 4K Outlet 4R Trumpet tube 4U Conical tube 5 Detection circuit 5E Humidity detector 5R Electric wire 5S Temperature detector 5T Thermo sensor 6 Cold / hot water circulation circuit (circulation circuit)
6A Outdoor unit 6B Refrigerant pipe 6C Hydrothermal exchange unit 6D T-type socket 6F Gate valve 6M Solenoid valve 6N, 6n Circulation pump 6P, 6P ', 6P "Plastic resin pipe (pipe)
6R Return side header 6S Outgoing side header 6T Electric three-way valve 6X, 6Y Inlet 6Z Outlet 7 Radiation circuit 7A Radiation panel heater 7R Discharge port 7S Supply port 8 Drain circuit 8A Drain pipe 8B Drain pipe 8R Water stop plate 9 Washing circuit 9A Washing nozzle 9B Water supply pipe 9C Water supply main pipe 9D Timer switch 10 Humidification circuit 10A Spray nozzle 10B Branch pipe 10C Hot water supply pipe a1... A9 Air flow an Anchor piece bb Lower wind deflection plate (wind deflection plate)
bt Upper wind deflector (wind deflector)
b7 Bypass channel C Ceiling H1 Insertion hole H2 Penetration hole P1, P2 Branch point S Space Sd Lower surface space Upper surface space w1... w9 Water flow wi Partition wall WO Outer wall

Claims (12)

A heat / radiation circuit (7) for cold / hot water circulation is placed from the outdoor water heat exchange unit (6C) to the radiant panel heater (7A) in the room, and branches off from the vicinity of the water heat exchange unit (6C) of the heat dissipation circuit (7). An air heat exchanger (1) is arranged in the cold / hot water circulation circuit (6) returning to the heat dissipation circuit (7), and the air heat exchanger (1) has a drain circuit (8) for discharging condensed water, An intake circuit (3) for sucking air in the room and blowing it into the air heat exchanger (1), and a supply circuit (4) for blowing air from the air heat exchanger (1) into the room, It is a system that detects the temperature and humidity in the room and the temperature of the circulating water by the detection circuit (5) and performs control operation , and the air heat exchanger (1) is arranged in the ceiling and the intake circuit (3) and the supply The circuit (4) is a duct system, and the supply circuit (4) is connected to the living room with the supply grille (4G). Some of the air blown from the air heat exchanger (1), down blow the panel heater (7A) peripheral surface for radiation from the air outlet (4K), air heat exchanger system.   The air heat exchanger (1) includes a cleaning circuit (9) for cleaning the inside of the air heat exchanger (1) and a humidifier for spraying water into the air heat exchanger (1) and supplying humidified air into the living room. 2. The air heat exchange system according to claim 1, wherein a circuit (10) is connected.   A temperature detector (5S) placed in the room controls the temperature of the circulating water in the heat dissipation circuit (7) downstream of the branch point (P1) of the cold / hot water circulation circuit (6) to the air heat exchanger (1). The humidity detector (5E) disposed in the room and connected to the intake circuit (3) and the humidification circuit (10) controls the humidification circuit (10) of the air heat exchanger (1). Item 3. The air heat exchange system according to Item 1 or 2.   The cleaning circuit (9) has a cleaning nozzle (9A) group protruding from the water supply pipe (9B) connected to the water supply main pipe (9C) into the air heat exchanger (1) and interposed in the water supply pipe (9B). The air heat exchange system according to claim 2 or 3, wherein the solenoid valve (6M) is controlled by a timer switch (9D) for cleaning action.   The humidification circuit (10) includes a spray nozzle (10A) protruding from the branch pipe (10B) connected to the hot water supply pipe (10C) into the air heat exchanger (1), and disposed in the branch pipe (10B). The air heat exchange system according to claim 2 or 3, wherein the valve (6M) is spray-controlled by a humidity detector (5E).   The cold / hot water circulation of the heat dissipating circuit (7) is carried out from the water heat exchange unit (6C) via the electric three-way valve (6T), the forward header (6S), the radiation panel heater (7A), the return header (6R), The circulating water in the circulation circuit (6) of the air heat exchanger (1) circulates to the water heat exchange unit (6C) from the branch point (P1) upstream of the electric three-way valve (6T) of the heat dissipation circuit (7). After diverting the air, it passes through the air heat exchanger (1), merges with the heat radiation circuit circulating water at the return header (6R), and the return circulating water from the return header (6R) to the water heat exchange unit (6C) is The control flow rate is controlled by the electric three-way valve (6T) according to the temperature of the return-side circulating water through the bypass passage (b7) from the branch point (P2) in the route to the electric three-way valve (6T) in the outgoing route. ) To the outgoing path by bypass, any one of claims 1 to 5 Air heat exchange system according to.   An electric three-way valve (6T) in the forward path is provided with a temperature detector (5S) and a temperature setting dial (6g), and the return side circulating water temperature is detected by a thermosensor (5T). From the branch point (P2) of the route, a part of the return circulating water is bypassed into the electric three-way valve (6T) via the bypass channel (b7), and the downstream circulating water downstream of the combined electric three-way valve (6T) is joined. The air heat exchange system according to claim 6, wherein the temperature is constantly maintained at a set temperature.   In the bypass flow path (b7) between the branch point (P1) in the forward path and the electric three-way valve (6T) and between the branch point (P2) in the return path and the electric three-way valve (6T) The air heat exchange system according to claim 6, wherein a gate valve (6F) is arranged. A trumpet pipe (4R) is disposed between the supply side duct pipe (4D) and the supply grille (4G), and the discharge air flow from the supply side duct pipe (4D) is generated from the trumpet pipe from the supply grille (4G). The air heat exchange system according to any one of claims 1 to 8 , wherein the air in the ceiling is sucked and merged and discharged.   It is an air heat exchanger used for the air heat exchange system of Claim 1, Comprising: An intake side duct pipe (3D) is connected to the front end of a cylinder main body (1A), and a supply side duct pipe (4D) is connected to a rear end. Then, a cold / hot water coil (2) is arranged in the longitudinal direction in the cylinder body (1A), and a cleaning nozzle (9A) group from the upper surface of the cylinder body (1A) to the upper surface of the cold / hot water coil (2). The spray nozzle (10A) is suspended from the front upper surface of the cylinder body (1A), the drain pipe (8A) is suspended from the rear surface of the cylinder body (1A), and the cylinder body (1A). (1A) An air heat exchanger in which a water stop plate (8R) is arranged on the inner bottom surface of the rear end. The cold / hot water coil (2) includes a plurality of circulation pipes (2A) connected in parallel in the longitudinal direction of the cylinder main body (1A), and fins (2F) in the width direction are densely arranged in parallel to form the cylinder main body (1A). A wind deflector that is extended in the longitudinal direction at the center of the vertical direction and is inclined downward and upward at the end of the intake side (1S) of the cold / hot water coil (2) below the cold / hot water coil (2) (Bb) is arranged from the lower surface of the cylinder main body (1A) to suppress the inflow of the suction air flow (a3) to the lower surface of the cold / hot water coil (2), and on the upper side of the cold / hot water coil (2), the lower inclination The wind deflector plate (bt) group is arranged so that the passing air volume decreases sequentially from the intake side (1S) to the supply side (1R), and the air flow (a3) flowing in from the intake side (1S) is arranged. It deflects sequentially from the upper surface side to the lower surface side of the cold / hot water coil (2), and flows through the gap of the fin group (2F). And inner, the supply side (1R), to flow out as the air flow (a4) from the lower surface of the cold and hot water coil (2), an air heat exchanger according to claim 10. The wind deflector (bb, bt) is an inclined plate provided with a vertical anchor piece (an), and the inclined outer peripheral shape of the wind deflector (bb, bt) is similar to the inner peripheral shape of the cylinder body (1A). Each wind deflector plate (bb, bt) has an anchor piece (an) inserted into the gap between the fins (2F) of the cold / hot water coil (2), The air heat exchanger according to claim 11 , wherein the wind deflector (bb) disposed on the lower surface of the front end and the wind deflector (bt) disposed on the upper surface of the rear end close the inner surface of the cylinder body (1A).

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