CN211290328U

CN211290328U - Basement double-cold-source fresh air dehumidifier

Info

Publication number: CN211290328U
Application number: CN201921341735.5U
Authority: CN
Inventors: 何森
Original assignee: Wuxi Cosy Home Environment Technology Co ltd
Current assignee: Wuxi Cosy Home Environment Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-08-18
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a two cold source fresh air dehumidifiers of basement, equipment casing rear end are equipped with the indoor fresh air inlet and the outdoor return air inlet that can connect the pipeline, and equipment casing front end is equipped with the indoor supply-air outlet that can connect the pipeline. A fresh air valve, a filter screen, a water pre-cooling coil, a fluorine evaporator, a fluorine condenser and a blower are arranged between the front end and the rear end. The rear end of the filter screen is provided with an air inlet temperature probe, and the front end of the fluorine condenser is provided with an air outlet temperature probe. Cooling water enters a water pipeline from a water inlet and is connected with a water pre-cooling coil, a water-fluorine heat exchanger, a water regulating valve and a device from a water return outlet. Refrigerant fluorine sequentially passes through the compressor, the water-fluorine heat exchanger, the fluorine condenser, the electronic expansion valve and the fluorine evaporator and then returns to the compressor for circulation. The bottoms of the water pre-cooling coil pipe and the fluorine evaporator are provided with water receiving discs which are connected with condensation water ports on the equipment shell. Cooling water and a compressor and a blower are introduced to operate simultaneously when the air conditioner works in summer; when the compressor works in spring, the water valve is closed, and only the compressor and the air blower work.

Description

Basement double-cold-source fresh air dehumidifier

Technical Field

The utility model belongs to the indoor air treatment field, especially, two cold source new trend dehumidifiers of basement.

Background

The fresh air dehumidifier in the prior art generally adopts a freezing dehumidification principle, air passes through a coil pipe made of low-temperature water or/and liquid fluorine, and the surface temperature of the coil pipe is lower than the dew point temperature of the air, so that moisture in the air is condensed after the air contacts the coil pipe, and the purpose of dehumidification is achieved. The double cold sources are that two coils of water and fluorine are arranged in the equipment at the same time, so that the dehumidification processing capacity is increased. However, the prior art device is used in a basement space and has the following defects: 1) the basement has dehumidification requirements in spring festival and summer, but the dehumidification requirements in spring and summer are different; 2) in spring, the temperature of the basement wall and the ground is low, and heat supply is needed while dehumidification is carried out; 3) cooling is needed while dehumidification is carried out in summer; 4) the existing fresh air dehumidifier cannot simultaneously meet the two use requirements.

Disclosure of Invention

The utility model aims at providing a water-fluorine heat exchanger for cooling vapor fluorine, which leads the working condition of a compressor to be stable, the air outlet temperature to be stable and the energy efficiency ratio to be improved; 2) a water regulating valve is adopted to regulate the flow of cooling water, so that the moisture content of the air outlet mouth is kept stable, and the dehumidification capacity of equipment is stable; 3) the equipment is provided with an upper controller and an air sensor, and can automatically control the equipment to operate according to set parameters and sensor data; 4) the fresh air quantity can be according to the indoor requirement (CO)₂Concentration) is automatically adjusted, and the air outlet state is not influenced; 5) when the solar water heater is used in spring, a waterway is not opened, the coil pipe is condensed to raise the air temperature after evaporation and dehumidification, and heat is supplied to the room while dehumidification is carried out; when the air conditioner is used in summer, a water channel is opened, the double cold sources simultaneously act on larger dehumidification capacity, and the air outlet is close to the indoor temperature and does not bear sensible heat load.

The utility model discloses a technical solution is such, a basement double cold source fresh air dehumidifier, including outdoor return air inlet, indoor fresh air inlet, fresh air blast valve, equipment housing, the filter screen, water precooling coil pipe, the fluorine evaporimeter, the fluorine condenser, water-fluorine heat exchanger, the forced draught blower, indoor supply-air outlet, the return water mouth, the water inlet, the governing valve, a compressor, the fluorine pipeline, the water pipeline, electronic expansion valve, the water collector, the condensation mouth of a river, the air inlet temperature probe, the air-out temperature probe, the control panel, control wiring, upper controller and air sensor, its characterized in that equipment housing 4 rear end has outdoor return air inlet 1, indoor fresh air inlet 2, equipment housing 4 rear end has condensation mouth of a river 20, equipment housing 4 front end below has return water mouth 12, water inlet 13, equipment housing 4 front end top has indoor supply-air outlet 11, equipment housing 4 top surface the place ahead has control panel 23, A control wire 24, an upper controller 25 and an air sensor 26, wherein the installation and connection route of each element in the equipment shell 4 is that a fresh air valve 3 is communicated with an outdoor air return port 1 and an indoor fresh air port 2 and is communicated with a filter screen 5, a water pre-cooling coil 6 is arranged in front of the filter screen 5, a fluorine evaporator 7 is arranged in front of the water pre-cooling coil 6, a fluorine condenser 8 is arranged in front of the fluorine evaporator 7, a water-fluorine heat exchanger 9, a water regulating valve 14 and a compressor 15 are arranged in front of the fluorine condenser 8, a blower 10 is arranged above the inner cavity of the equipment shell 4, the blower 10 is provided with an indoor air supply port 11, a control panel 23 is connected with the upper controller 25 and the air sensor 26 through the control wire 24, the control panel 23 is connected with the blower 10, an air outlet temperature probe 22, an air inlet temperature probe 21, the fresh air valve, The fluorine evaporator 7, the fluorine condenser 8 and the regulating valve 14 are arranged between the water receiving tray 19 and the water return port 12.

The control panel 23 has a selection function button for selecting different seasons.

The compressor 15 is frequency-fixed and/or variable.

The inner side of the indoor fresh air port 2 is provided with a fresh air valve 3.

A control valve 14 is installed in the water line 17.

An electronic expansion valve 18 is installed in the fluorine line 16.

A control board 23 in the device shell 4 is connected with the air inlet temperature probe 21, the air outlet temperature probe 22, the electronic expansion valve 18, the compressor 15, the regulating valve 14, the blower 10, the upper controller 25 and the air sensor through a control connection 24.

A water receiving tray 19 is arranged below the water pre-cooling coil 6 and the fluorine evaporator 7, and the water receiving tray 19 is connected with a condensation water port 20 on the equipment shell 4.

The air flow route inside the apparatus case 4 is: indoor fresh air port 2 → fresh air valve 3 → filter screen 5 → water pre-cooling coil 6 → fluorine evaporator 7 → fluorine condenser 8 → water-fluorine heat exchanger 9 → compressor (15) → fluorine line 16.

The utility model has the advantages of as follows:

1. the dehumidification performance is good. The outdoor fresh air and the indoor circulating air are mixed and then dehumidified, so that the dehumidification depth is reduced, and the indoor humidity control capability is more stable.

2. When the dehumidifying air conditioner is used in spring, heat can be supplied to the indoor space while dehumidifying, and meanwhile, the heat and humidity parameters of the basement are improved.

3. When the air-cooled type fluorine condenser is used in summer, the size of the fluorine condenser is reduced by using the water-fluorine heat exchanger, and the wind resistance is reduced. The working condition of the compressor is improved, and the energy efficiency ratio is improved.

4. The reasonable design of the refrigeration loop enables the two working conditions to be in higher operating efficiency, and the service life of the compressor is prolonged.

Drawings

Fig. 1 is a schematic view of the assembly of the present invention.

Reference numerals: the system comprises an outdoor air return inlet 1, an indoor fresh air inlet 2, a fresh air valve 3, an equipment shell 4, a filter screen 5, a water pre-cooling coil 6, a fluorine evaporator 7, a fluorine condenser 8, a water-fluorine heat exchanger 9, a blower 10, an indoor air supply outlet 11, a water return outlet 12, a water inlet 13, a regulating valve 14, a compressor 15, a fluorine pipeline 16, a water pipeline 17, an electronic expansion valve 18, a water pan 19, a condensation water inlet 20, an air inlet temperature probe 21, an air outlet temperature probe 22, a control panel 23, a control wiring 24, an upper controller 25 and an air sensor 26.

Detailed Description

The invention will be further described with reference to the accompanying drawings

Example 1, as shown in fig. 1, in the basement double-cold-source fresh air dehumidifier, an outdoor air return opening 1 and an indoor fresh air opening 2 are installed at the rear end of an equipment housing 4, an indoor air supply opening 11 is installed at the front end of the equipment housing 4, and the transmission lines of the connection work of the components in the inner cavity of the equipment housing 4 are sequentially from the front end of the indoor fresh air opening 2 → a fresh air valve 3 → a filter screen 5 → a water pre-cooling coil 6 → a fluorine evaporator 7 → a fluorine condenser 8 → a water-fluorine heat exchanger 9 → a blower 10, that is, the indoor air enters the equipment housing 4 from the outdoor air return opening 1, the outdoor air enters the equipment shell 4 from the indoor fresh air inlet 2 and is mixed, then is filtered by the filter screen 5, is cooled and dehumidified by the water precooling coil 6, is cooled and dehumidified by the fluorine evaporator 7 for the second time, the temperature is raised by the fluorine condenser 8 and then sent to the room from the indoor air outlet 11 by the blower 10. Meanwhile, cooling water enters the equipment from a water inlet 13, enters the water pre-cooling coil 6 through a water pipeline 17, enters the water-fluorine heat exchanger 9, and is sent out of the equipment through a regulating valve 14 and a water return port 12. Meanwhile, refrigerant fluorine enters the water-fluorine heat exchanger 9 and the fluorine condenser 8 through the compressor 15 and the fluorine pipeline 16 to release heat, then becomes liquid to enter the electronic expansion valve 18, and then enters the fluorine evaporator 7 to absorb heat to become gas to return to the compressor 15. Meanwhile, the water condensed by the water pre-cooling coil 6 and the fluorine evaporator 7 flows into the water receiving tray 19 and is discharged from the condensation water port 20. An air inlet temperature probe 21, an air outlet temperature probe 22 and a control panel 23 are arranged in the equipment shell 4. The upper controller 25 and the air sensor 26 are provided outside the apparatus case 4. The control wiring 24 connects the inlet air temperature probe 21, the outlet air temperature probe 22, the compressor 15, the fresh air valve 3, the electronic expansion valve 18 and the regulating valve 14 in the equipment shell 4 to the control board 23. The upper controller 25 connects the control board 23 and the air sensor 26 through a control wiring 24. The compressor 15 stores therein refrigerant fluorine.

The above working principle is a summer mode. Whereas in the spring mode there is no water flow, only air and fluorine refrigerant flow.

Embodiment 2, the object of the invention is achieved as follows: the basement double-cold-source fresh air dehumidifier comprises an equipment shell, wherein an indoor air supply outlet, an outdoor air return inlet and an indoor fresh air inlet are respectively arranged at the front end and the rear end of the shell, and the air quantity of the indoor air supply outlet is equal to the sum of the air quantities of the outdoor air return inlet and the indoor fresh air inlet. Air passing through the outdoor return air inlet and the indoor fresh air inlet passes through the filter screen, water pre-cooling dehumidification and fluorine cooling dehumidification, enters the fluorine condenser, is heated, and is sent out of the equipment through the indoor air supply outlet by the air feeder. And cooling water enters from the water inlet, is heated through the water pipeline, the water pre-cooling coil and the water-fluorine heat exchanger, and then flows out of the equipment through the regulating valve and the water return port. Refrigerant fluorine circulates in a closed system of a compressor, a water-fluorine heat exchanger, a fluorine condenser, an electronic expansion valve, a fluorine evaporator and a fluorine pipeline to absorb (supply) heat and release heat. In the equipment, air is filtered firstly, then is sent out of the equipment after water precooling, fluorine cooling and fluorine heating, and condensed water flows out of the equipment from a condensation water port. The rear end of the filter screen is provided with an air inlet temperature probe, and the rear end of the fluorine condenser is provided with an air outlet temperature probe. The equipment shell is internally provided with a control panel which is connected with a blower, an air inlet temperature probe, an air return temperature probe, a compressor, an electronic expansion valve, a fresh air valve and an upper controller through circuits. The filter screen and the blower are detachably arranged in the shell, and the number of all the parts can be increased or reduced according to the use requirement.

Embodiment 3, a basement double cold source new trend dehumidifier, equipment casing rear end is equipped with the indoor fresh air inlet and the outdoor return air inlet that can connect the pipeline, and equipment casing front end is equipped with the indoor supply-air outlet that can connect the pipeline. A fresh air valve, a filter screen, a water pre-cooling coil, a fluorine evaporator, a fluorine condenser and a blower are arranged between the front end and the rear end. The rear end of the filter screen is provided with an air inlet temperature probe, and the front end of the fluorine condenser is provided with an air outlet temperature probe. Cooling water enters a water pipeline from a water inlet and is connected with a water pre-cooling coil, a water-fluorine heat exchanger, a water regulating valve and a device from a water return outlet. Refrigerant fluorine sequentially passes through the compressor, the water-fluorine heat exchanger, the fluorine condenser, the electronic expansion valve and the fluorine evaporator and then returns to the compressor for circulation. The bottoms of the water pre-cooling coil pipe and the fluorine evaporator are provided with water receiving discs which are connected with condensation water ports on the equipment shell. The blower is fixed frequency or variable frequency, the compressor is fixed frequency or variable frequency, and refrigerant fluorine is stored in the compressor. When the air conditioner works, cooling water and the compressor and the air feeder run simultaneously, the temperature and the moisture content of air which is discharged from the indoor air supply outlet are not influenced by outdoor air conditions, and indoor comfortable environment is ensured.

The above working principle is a summer mode. In the spring mode, no water flows, only air and fluorine refrigerant flow, and the outlet air is hot air.

The working principle of the utility model is as follows:

spring dehumidification state: no water is supplied to the outside (valve closed). The fresh air damper is opened or closed according to whether the concentration of CO2 in the air sensor reaches the set concentration. The upper computer compares the set parameters with the actually measured parameters of the air sensor, and the fan and the fresh air valve are controlled according to the comparison result. The operating state compressor operates.

Dehumidification state in summer: the compressor starts to work under the condition that external cold water is supplied, and the opening degree of the water regulating valve is adjusted according to the difference value between the set outlet air temperature and the actual temperature. The fresh air damper is opened or closed according to whether the concentration of CO2 in the air sensor reaches the set concentration. The upper computer compares the set parameters with the actually measured parameters of the air sensor, and controls the fan, the fresh air valve and the water regulating valve according to the comparison result. The operating state compressor operates.

Heating state: working with an external hot water supply. And adjusting the opening degree of the water regulating valve according to the difference value of the set outlet air temperature and the actual temperature. The fresh air damper is opened or closed according to whether the concentration of CO2 in the air sensor reaches the set concentration. The upper computer compares the set parameters with the actually measured parameters of the air sensor, and controls the fan, the fresh air valve and the water regulating valve according to the comparison result. The compressor is not operated in the working state.

And (3) ventilation state: the blower is turned on and the compressor and water regulator valve are closed. The fresh air damper is opened or closed according to whether the concentration of CO2 in the air sensor reaches the set concentration. The upper computer compares the set parameters with the actually measured parameters of the air sensor, and controls the fan and the fresh air valve according to the comparison result.

The host computer can make statistics to compressor, fan operating time, changes the filter screen and records so that arrange the maintenance and change the filter screen with live time.

The above embodiments are provided for illustrative purposes only, and are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the appended claims.

Claims

1. A basement double-cold-source fresh air dehumidifier comprises an outdoor air return port, an indoor fresh air port, a fresh air valve, an equipment shell, a filter screen, a water pre-cooling coil pipe, a fluorine evaporator, a fluorine condenser, a water-fluorine heat exchanger, a blower, an indoor air supply port, a water return port, a water inlet, a regulating valve, a compressor, a fluorine pipeline, a water pipeline, an electronic expansion valve, a water receiving disc, a condensation water port, an air inlet temperature probe, an air outlet temperature probe, a control panel, a control wiring, an upper controller and an air sensor, and is characterized in that the outdoor air return port (1) and the indoor fresh air port (2) are arranged at the rear end of the equipment shell (4), the condensation water port (20) is arranged at the bottom of the rear end of the equipment shell (4), the water return port (12) and the water inlet (13) are arranged below the front end of the equipment shell (4), the indoor air supply port (11), The device comprises a control wiring (24), an upper controller (25) and an air sensor (26), wherein the installation and connection routes of all elements in an equipment shell (4) are that a fresh air valve (3) is communicated with an outdoor air return inlet (1) and an indoor fresh air inlet (2) and is communicated with a filter screen (5), a water pre-cooling coil (6) is arranged in front of the filter screen (5), a fluorine evaporator (7) is arranged in front of the water pre-cooling coil (6), a fluorine condenser (8) is arranged in front of the fluorine evaporator (7), a water-fluorine heat exchanger (9) is arranged in front of a lower cavity of the fluorine condenser (8), a water regulating valve (14) and a compressor (15), a blower (10) is arranged above an inner cavity of the equipment shell (4), the blower (10) is provided with an indoor air supply outlet (11), a control panel (23) is connected with the upper controller (25) through the control wiring (24), the, An air outlet temperature probe (22), an air inlet temperature probe (21), a fresh air valve (3), a regulating valve (14), a compressor (15), a water-fluorine heat exchanger (9), an electronic expansion valve (18), a fluorine evaporator (7) and a fluorine condenser (8), wherein the regulating valve (14) is arranged between a water pan (19) and a water return port (12).

2. The basement double cold source fresh air dehumidifier as claimed in claim 1, wherein the control panel (23) has a function button for selecting different seasons.

3. The basement double cold source fresh air dehumidifier according to claim 1, wherein the compressor (15) is fixed frequency and/or variable frequency.

4. The basement double cold source fresh air dehumidifier as claimed in claim 1, wherein the fresh air valve (3) is installed inside the indoor fresh air inlet (2).

5. The basement double cold source fresh air dehumidifier according to claim 1, wherein the water pipe (17) is provided with an adjusting valve (14).

6. The basement double cold source fresh air dehumidifier according to claim 1, wherein the fluorine pipeline (16) is provided with an electronic expansion valve (18).

7. The basement double cold source fresh air dehumidifier according to claim 1, wherein a control board (23) in the equipment housing (4) is connected with an air inlet temperature probe (21), an air outlet temperature probe (22), an electronic expansion valve (18), a compressor (15), an adjusting valve (14), a blower (10), an upper controller (25) and an air sensor through a control connection (24).

8. The basement double cold source fresh air dehumidifier as claimed in claim 1, wherein a water pan (19) is mounted under the water pre-cooling coil (6) and the fluorine evaporator (7), the water pan (19) is connected with a condensation water port (20) on the equipment housing (4).

9. The basement double cold source fresh air dehumidifier according to claim 1, wherein the air flow path in the equipment housing (4) is: indoor fresh air port (2) → fresh air valve (3) → filter screen (5) → water pre-cooling coil (6) → fluorine evaporator (7) → fluorine condenser (8) → water-fluorine heat exchanger (9) → compressor (15) → fluorine pipeline (16).