CN102628600A - Heat recovery air treatment device with built-in heat pump and heat recovery air treatment method - Google Patents
Heat recovery air treatment device with built-in heat pump and heat recovery air treatment method Download PDFInfo
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- CN102628600A CN102628600A CN2012101178248A CN201210117824A CN102628600A CN 102628600 A CN102628600 A CN 102628600A CN 2012101178248 A CN2012101178248 A CN 2012101178248A CN 201210117824 A CN201210117824 A CN 201210117824A CN 102628600 A CN102628600 A CN 102628600A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The invention discloses a heat recovery air treatment device with a built-in heat pump and a heat recovery air treatment method. In a heat pump unit, a compressor, a first heat exchanger, a throttlingdepressurization device and a second heat exchanger are sequentially connected through a refrigerant pipe to form a closed loop. In an air treatment unit, the second heat exchanger and a first fan are arranged in a third air pipe, and the compressor is arranged in a second air pipe; the first heat exchanger, a second fan and the throttling depressurization device are arranged in a fourth air pipe; a first air pipe, the second air pipe, the third air pipe and the fourth air pipe are respectively connected with a full heat exchange device, the first air pipe is communicated with the fourth air pipe, and the second air pipe is communicated with the third air pipe; and indoor return air enters the device from the first air pipe, outdoor fresh air enters the device from the second air pipe, system supplied air is conveyed indoors through the third air pipe, and outdoor exhausted air is conveyed outdoors through the fourth air pipe. The heat recovery air treatment device does not need additional cold source or heat source, can achieve cascade utilization of return air energy, thoroughly recovers return air energy, and improves system efficiency.
Description
Technical field
The present invention relates to a kind of heat pump recuperation of heat air processor and method, belong to refrigeration, air-conditioning system field.
Background technology
In view of the urgency of current China building energy conservation, humiture independence control air conditioner system more and more receives people's attention as the novel energy-conserving air-conditioning system.In this system, how to realize the high efficient and reliable dehumidifying and the high energy efficiency ratio of outdoor new wind, be the key factor that can this system of decision obtain wideling popularize.
General humiture independence control air conditioner system adopts the high temperature low-temperature receiver to remove indoor sensible heat part, comprises equipment operation caloric value, illumination caloric value, gets heat through building enclosure.Indoor latent heat load is all born by VMC.
Fresh air processing method commonly used has two kinds, and a kind of is conventional dehumidification by condensation fresh air processing method, and this method need dispose independently that low temperature cold source dehumidifies, and can't with the terminal shared same high temperature low-temperature receiver of sensible heat, therefore cause the complexity of system.A kind of is to adopt the solution dehumidification fresh air processing method; This fresh air processing method is usually by solution dehumidification absorption heat pump and new blower fan group component units formula unit; Make whole system no longer need two temperature or two cover low-temperature receivers, but adopt the solution dehumidification method to exist corrosivity, indoor air quality to receive adverse effect, the more high shortcoming of regular maintenance expense of solution.The pump type heat air-treatment unit of China mainly contains two kinds, parallel connection type heat pump temperature-adjustable dehumidifier and recovery type heat heat pump fresh air conditioner machine at present.The former is mainly used in the dehumidifying of high humidity environment, because air exhaust passage is not set, therefore can't realize exhaust air energy recovery, is used for air treatment system and can not satisfies energy-efficient requirement.The latter is mainly used in new wind and handles, and can't move the return air operating mode, control singlely, and annual comprehensively Energy Efficiency Ratio is not high.Simultaneously, system does not have reheat machine, can't realize the regulatory function of wind pushing temperature.
In sum, present air-treatment scheme is thorough inadequately to the recycling of air draft energy, and the operational mode relative fixed is relatively poor to the comprehensive adjustment ability of temperature and humidity, can not be applied to the humiture autonomous control system.Therefore, need to develop a kind of built-in heat pump recuperation of heat air processor that has, have the many disadvantages that fresh air processing method exists now with effective solution.
Summary of the invention
The object of the present invention is to provide a kind of new built-in heat pump recuperation of heat air processor and method.
For realizing above-mentioned purpose; The technical scheme that the present invention taked is: its built-in heat pump recuperation of heat air processor comprises heat pump unit and air conditioner unit; Said air conditioner unit comprises first airduct, second airduct, the 3rd airduct, the 4th airduct, full-heat-exchange equipment, first blower fan and second blower fan; Said heat pump unit comprises compressor, first heat exchanger, throttling dropping equipment and second heat exchanger, and said compressor, first heat exchanger, throttling dropping equipment and second heat exchanger are in turn connected into loop through refrigerant pipe; Said second heat exchanger and first blower fan place in the 3rd airduct, and first blower fan is used for the Way out of the 3rd airduct of the wind direction in the 3rd airduct is carried; Said compressor places in second airduct; Said first heat exchanger, second blower fan and throttling dropping equipment place in the 4th airduct, and second blower fan is used for the Way out of the 4th airduct of the wind direction in the 4th airduct is carried; Said first airduct, second airduct, the 3rd airduct, the 4th airduct are connected with full-heat-exchange equipment respectively, and first airduct and the connection of the 4th airduct, and second airduct and the 3rd airduct are communicated with; Indoor return air is got into by first airduct, and outdoor new wind is got into by second airduct, system air-supply via the 3rd airduct to indoor conveying, outdoor air draft via the 4th airduct to outdoor conveying.
Further, apparatus of the present invention also comprise tendencies pipe and the 6th airduct, and said first airduct and the 3rd airduct are communicated with through the tendencies pipe, and said second airduct and the 4th airduct are communicated with through the 6th airduct.
Further, in tendencies pipe according to the invention and/or the 6th airduct Electric air valve is installed.
Further, apparatus of the present invention also comprise the heat exchanger and/or first electric control valve again; Said first electric control valve is installed on the refrigerant pipe that is connected with first heat exchanger; Said heat exchanger again places in the 3rd airduct; An end of heat exchanger is connected with compressor through refrigerant pipe again; The other end of heat exchanger is connected with the throttling dropping equipment through refrigerant pipe again; With a wherein end of heat exchanger is connected again said refrigerant pipe on second electric control valve is installed, said second electric control valve is used to regulate through the refrigerant flow of heat exchanger again; When the second motorized adjustment opening of valves, be divided into two-way from the cold-producing medium of compressor: the one tunnel gets into the throttling dropping equipment via heat exchanger again, and another road gets into the throttling dropping equipment via first heat exchanger.
It is following to utilize the built-in heat pump recuperation of heat of the present invention air processor to carry out the method for air-treatment: all via getting into the air-supply of the 3rd airduct formation system behind the full-heat-exchange equipment, all via full-heat-exchange equipment after get into four airduct form outdoor air draft from the indoor return air of first airduct from the outdoor new wind of second airduct;
When indoor when having thermic load and humidity load; High-temperature high-pressure refrigerant steam from compressor becomes cryogenic high pressure liquid after first heat exchanger is handled; Then, the throttling dropping equipment becomes low-temperature low-pressure refrigerant after handling; And then get into the vaporization of absorbing heat of second heat exchanger, turn back in the compressor at last; In the 3rd airduct, system's air-supply gets into second heat exchanger and carries out cool-down dehumidification under the effect of first blower fan; In the 4th airduct, outdoor air draft gets into first heat exchanger to absorb the air draft condensation heat under the effect of second blower fan;
When indoor when having refrigeration duty; High-temperature high-pressure refrigerant steam from compressor is treated as cryogenic high pressure liquid through second heat exchanger; Then, the throttling dropping equipment becomes low-temperature low-pressure refrigerant after expanding step-down; And then get into the vaporization of absorbing heat of first heat exchanger, turn back in the compressor at last; In the 3rd airduct, the intensification of absorbing heat of system air-supply entering second heat exchanger under the effect of first blower fan; In the 4th airduct, outdoor air draft gets into first heat exchanger and cools under the effect of second blower fan.
Further, when the present invention carries out air-treatment, a part of indoor return air that gets into first airduct via the tendencies pipe after, and get into by second airduct after mix in the 3rd airduct by a part of outdoor new wind of full-heat-exchange equipment and to form system and blow; The indoor return air of another part that gets into first airduct via full-heat-exchange equipment after, and get into by second airduct after mix in the 4th airduct by the outdoor new wind of another part of the 6th airduct and to form outdoor air draft;
When indoor when having thermic load and humidity load; High-temperature high-pressure refrigerant steam from compressor becomes cryogenic high pressure liquid after first heat exchanger is handled; Then, the throttling dropping equipment becomes low-temperature low-pressure refrigerant after handling; And then get into the vaporization of absorbing heat of second heat exchanger, turn back in the compressor at last; In the 3rd airduct, system's air-supply gets into second heat exchanger and carries out cool-down dehumidification under the effect of first blower fan; In the 4th airduct, outdoor air draft gets into first heat exchanger to absorb the air draft condensation heat under the effect of second blower fan;
When indoor when having refrigeration duty; High-temperature high-pressure refrigerant steam from compressor is treated as cryogenic high pressure liquid through second heat exchanger; Then, the throttling dropping equipment becomes low-temperature low-pressure refrigerant after expanding step-down; And then get into the vaporization of absorbing heat of first heat exchanger, turn back in the compressor at last; In the 3rd airduct, the intensification of absorbing heat of system air-supply entering second heat exchanger under the effect of first blower fan; In the 4th airduct, outdoor air draft gets into first heat exchanger and cools under the effect of second blower fan.
Further; Carry out in the air handling process utilizing the inventive method; When indoor when having thermic load and humidity load; Open and regulate be installed on refrigerant pipe that the wherein end of heat exchanger again is connected on the aperture of second electric control valve; Make the high-temperature high-pressure refrigerant steam from compressor be divided into two-way: the one tunnel is treated as cryogenic high pressure liquid via heat exchanger again, and another road is treated as cryogenic high pressure liquid via first heat exchanger, and said two-way cryogenic high pressure liquid gets into the throttling dropping equipment and expands and become low-temperature low-pressure refrigerant after the step-down; In the 3rd airduct, the system's air-supply after second heat exchanger is handled gets into again that heat exchanger heats again; When having refrigeration duty, close said second electric control valve when indoor.
Further; Utilizing the inventive method to carry out in the air handling process, when indoor when having thermic load and humidity load, if the water capacity measured value of system's air-supply is greater than the water capacity preset value; Then increase the flow of compressor, the water capacity measured value of blowing up to system reaches the water capacity preset value; If the water capacity measured value of system's air-supply then reduces the flow of compressor less than the water capacity preset value, the water capacity measured value of blowing up to system reaches the water capacity preset value; When indoor when having thermic load and humidity load,, reach the temperature preset value up to the measured temperature of system's air-supply if the measured temperature of system's air-supply then increases the flow of compressor greater than the temperature preset value; If the measured temperature of system's air-supply then reduces the flow of compressor less than the temperature preset value, the measured temperature of blowing up to system reaches the temperature preset value; When indoor when having refrigeration duty,, reach the temperature preset value up to the measured temperature of system's air-supply if the measured temperature of system's air-supply then reduces the flow of compressor greater than the temperature preset value; If the measured temperature of system's air-supply then increases the flow of compressor less than the temperature preset value, the measured temperature of blowing up to system reaches the temperature preset value.
Further, utilizing the inventive method to carry out in the air handling process, when having thermic load and humidity load, if measured temperature and the temperature preset value of system's air-supply are unequal, then following method is regulated the temperature that system blows when indoor:
If the measured temperature of system's air-supply is greater than the temperature preset value; Then open the aperture that is installed in first electric control valve on the refrigerant pipe that is connected with first heat exchanger greatly; Turn down simultaneously be installed in refrigerant pipe that heat exchanger again is connected on the aperture of second electric control valve, reach the temperature preset value until the temperature of sending into indoor system's air-supply; If the measured temperature of system's air-supply is then turned the aperture of said first electric control valve down less than the temperature preset value, open the aperture of big said second electric control valve simultaneously, the temperature of blowing until system reaches the temperature preset value.
Further; Carry out in the air handling process utilizing the inventive method; When indoor when having thermic load and humidity load; If the water capacity measured value and the water capacity preset value of system's air-supply are unequal, then, the temperature of system's air-supply the water capacity of system's air-supply is regulated before being regulated by following method:
If the water capacity measured value of system's air-supply then increases the refrigerant flow of compressor greater than the water capacity preset value, the water capacity measured value of blowing up to system reaches the water capacity preset value; If the water capacity measured value of system's air-supply then reduces the refrigerant flow of compressor less than the water capacity preset value, the water capacity measured value of blowing up to system reaches the water capacity preset value.
The invention has the beneficial effects as follows:
Air processor of the present invention and method have overcome in the present humiture independence control air conditioner system new wind and have handled existing defective.The present invention has introduced air draft, air return system; Utilize heat pump unit to reclaim return air, air draft energy under the different temperatures, realize that the thorough recovery of return air energy utilizes with efficient, can utilize the heat of recovery to realize air-supply heat more simultaneously; Eliminate the phenomenon of cold-hot counteraction, reduced the consumption of the energy.The present invention adopts built-in heat pump unit; Make air handling process independently move the unit as one; Do not need other Cooling and Heat Source to provide, eliminate because system complexity and the energy waste that two temperature or two cover low-temperature receivers bring, be a kind of simply, air-conditioning system efficiently.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the present invention.
Among the figure: a. compressor, b. first heat exchanger, c. be heat exchanger, d. throttling dropping equipment, e. second heat exchanger, f. first electric control valve, g. second electric control valve, 1. first airduct, 2. second airduct, 3. the 3rd airduct, 4. the 4th airduct, 5. tendencies pipe, 6. the 6th airduct, 7. first Electric air valve, 8. second Electric air valve, 9. the 3rd Electric air valve, 10. the 4th Electric air valve, 11. full-heat-exchange equipments, 12. first blower fans, 13. second blower fans again.
The specific embodiment
Combine accompanying drawing that the present invention is done further description through embodiment below.
As shown in Figure 1, the built-in heat pump recuperation of heat of the present invention air processor comprises built-in heat pump unit and air conditioner unit, and heat pump unit places in the corresponding airduct of air conditioner unit.
Wherein, air conditioner unit comprises first airduct 1, second airduct 2, the 3rd airduct 3, the 4th airduct 4, full-heat-exchange equipment 11, first blower fan 12 and second blower fan 13; Heat pump unit comprises compressor a, the first heat exchanger b, throttling dropping equipment d and the second heat exchanger e, and compressor a, the first heat exchanger b, throttling dropping equipment d and the second heat exchanger e are in turn connected into loop through refrigerant pipe.The second heat exchanger e and first blower fan 12 place in the 3rd airduct 3, and first blower fan 13 is used for the Way out of wind direction the 3rd airduct 3 in the 3rd airduct 3 is carried; Compressor a places in second airduct 2; The first heat exchanger b, second blower fan 13 and throttling dropping equipment d place in the 4th airduct 4, and second blower fan 13 is used for the Way out of wind direction the 4th airduct 4 in the 4th airduct 4 is carried; First airduct 1, second airduct 2, the 3rd airduct 3, the 4th airduct 4 are connected with full-heat-exchange equipment 11 respectively, and first airduct 1 and the 4th airduct 4 are communicated with second airduct 2 and 3 connections of the 3rd airduct; Indoor return air is got into by first airduct 1, and outdoor new wind is got into by second airduct 2, system's air-supply via the 3rd airduct 3 to indoor conveying, outdoor air draft via the 4th airduct 4 to outdoor conveying.
Another kind of embodiment as the built-in heat pump recuperation of heat of the present invention air processor; Tendencies pipe 5 and the 6th airduct 6 can be set; Wherein, first airduct 1 and the 3rd airduct 3 are communicated with through tendencies pipe 5, and second airduct 2 and the 4th airduct 4 are communicated with through the 6th airduct 6.
As shown in Figure 1; First Electric air valve 7, second Electric air valve 8, the 3rd Electric air valve 9 and the 4th Electric air valve 10 can correspondingly be installed on first airduct 1, second airduct 2, tendencies pipe 5 and the 6th airduct 6, be respectively applied for the air quantity of regulating through corresponding airduct.During work, first Electric air valve 7 and second Electric air valve 8 need to open.
As preferred implementation of the present invention; Heat exchanger c again can be installed in the 3rd airduct 3; The end of heat exchanger c is connected with compressor a through refrigerant pipe; The other end of heat exchanger c is connected with throttling dropping equipment d through refrigerant pipe again, and with the refrigerant pipe that wherein an end is connected of heat exchanger c again on the second electric control valve g is installed, the second electric control valve g is used to regulate through the refrigerant flow of heat exchanger c again.When the second electric control valve g opens, can the cold-producing medium from compressor a be divided into two-way: the one tunnel gets into throttling dropping equipment d via heat exchanger c again, and another road gets into throttling dropping equipment d via the first heat exchanger b.Heat exchanger c can realize the wet intensification such as grade to system's air-supply again, and practices thrift the heat energy consumption again.When having refrigeration duty, heat pump unit moves according to heating mode when indoor, closes the second electric control valve g this moment.
Built-in heat pump unit comprises refrigeration and heats two kinds of operational modes, can make air realize the air handling process of dehumidifying and cooling during refrigerating operaton, can make air realize the air handling process of intensification damping during the heating operation.Compressor a is the heart of whole heat pump unit, plays a part suction, compression, refrigerant conveying steam.The first heat exchanger b and the second heat exchanger e realize the exchange of cold or heat.Throttling dropping equipment d plays throttling and step-down to cold-producing medium, controls and regulate the flow of refrigerant liquid simultaneously, and heat pump unit is divided into high-pressure side and low-pressure side two large divisions.Throttling dropping equipment d can select common heating power expansion valve, electric expansion valve or capillary for use.
When built-in heat pump unit carries out refrigerating operaton; If with in second electric control valve g shutoff or the device heat exchanger c and the second electric control valve g thereof not being installed again; The refrigerant vapour of the HTHP that comes out from compressor a so, gets into all that the cooling medium heat release to the first heat exchanger b becomes cryogenic high pressure liquid the first heat exchanger b.With refrigerant pipe that the first heat exchanger b is connected on the first electric control valve f can be installed, to be used for to finely tuning through the refrigerant flow of the first heat exchanger b.The cryogenic high pressure liquid that comes out from the first heat exchanger b becomes the cold-producing medium of low-temp low-pressure behind throttling dropping equipment d, after get into the second heat exchanger e vaporization of absorbing heat again, turn back at last among the compressor a.If the second electric control valve g is opened; Then can make the high-temperature high-pressure refrigerant steam that comes out from compressor a be divided into two-way: the one tunnel through the first heat exchanger b; Another road is through heat exchanger c again; This two-way high-temperature high-pressure refrigerant steam at the first heat exchanger b with after carrying out heat exchange in the heat exchanger c again, becomes cryogenic high pressure liquid and gets into throttling dropping equipment d respectively, and d is treated as low-temperature low-pressure refrigerant through the throttling dropping equipment; Afterwards, low-temperature low-pressure refrigerant turns back among the compressor a through the second heat exchanger e vaporization of absorbing heat at last.
During the heating operation, need close the second electric control valve g, making the refrigerant flow that gets into again heat exchanger c is zero; And after getting into the second heat exchanger e from the refrigerant vapour that compressor a comes out,, and then enter into the first heat exchanger b vaporization of absorbing heat through throttling dropping equipment d expansion step-down, return compressor a at last.
Use the air-treatment method of air processor of the present invention following:
1. return air operating mode operation
During the operation of return air operating mode, air handling process of the present invention is:
The a part of indoor return air that gets into first airduct 1 via tendencies pipe 5 after, and get into by second airduct 2 after a part of outdoor new wind that carries out the energy recycling by full-heat-exchange equipment 11 mixes in the 3rd airduct 3, the formation system blows; After the indoor return air of another part that gets into first airduct 1 carries out the energy recycling via full-heat-exchange equipment 11, and get into by second airduct 2 after mix in the 4th airduct 4 by the outdoor new wind of another part of the 6th airduct 6 and to form outdoor air draft.
When indoor when having thermic load and humidity load; Heat pump unit moves according to refrigeration mode; High-temperature high-pressure refrigerant steam from compressor a becomes cryogenic high pressure liquid after the first heat exchanger b handles; Then after throttling dropping equipment d handles, become the cold-producing medium of low-temp low-pressure, the cold-producing medium of low-temp low-pressure gets into the second heat exchanger e vaporization of absorbing heat then, turns back at last among the compressor a.In the 3rd airduct 3, system's air-supply is cooled off, lowers the temperature, is dehumidified through the second heat exchanger e under the effect of first blower fan 12, sends into indoor then.In the 4th airduct 4, outdoor air draft gets into the first heat exchanger b to absorb the air draft condensation heat under the effect of second blower fan 13, discharge outdoor then.
Then system's air-supply can be sent into by first blower fan 12 again and heat among the heat exchanger c again after the second heat exchanger e handles if open the second electric control valve g this moment.Through regulating the aperture of the second electric control valve g, can regulate again the heat again of heat exchanger c, and then system's air-supply is heated to needed wind pushing temperature, thereby practice thrift again the heat energy consumption.
When indoor when having refrigeration duty; Heat pump unit moves according to heating mode; High-temperature high-pressure refrigerant steam from compressor a is treated as cryogenic high pressure liquid through the second heat exchanger e; Then after throttling dropping equipment d expands step-down, become low-temperature low-pressure refrigerant, low-temperature low-pressure refrigerant gets into the first heat exchanger b vaporization of absorbing heat then, turns back at last among the compressor a.In the 3rd airduct 3, the system air-supply entering second heat exchanger e under the effect of first blower fan 12 intensification of absorbing heat; In the 4th airduct 4, outdoor air draft gets into the first heat exchanger b back that cools and discharges outdoor under the effect of second blower fan 13.
Through regulating the aperture of first Electric air valve 7, second Electric air valve 8, the 3rd Electric air valve 9 and the 4th Electric air valve 10, can regulate air quantity through corresponding airduct.
2. brand-new wind operating mode operation
The present invention can realize brand-new wind operating mode operation through the mode that tendencies pipe 5 and the 6th airduct 6 are not installed.Certainly; If tendencies pipe 5 and the 6th airduct 6 have been installed; Then can on tendencies pipe 5 and the 6th airduct 6, distinguish corresponding the 3rd Electric air valve 9 and the 4th Electric air valve 10 installed; And the 3rd Electric air valve 9 and the 4th Electric air valve 10 turn-offed, so that be zero, also can realize that thus brand-new wind operating mode moves through the air quantity of tendencies pipe 5 and the 6th airduct 6.At this moment, as shown in Figure 1, if on first airduct 1 and second airduct 2, be separately installed with first Electric air valve 7 and second Electric air valve 8, so, need first Electric air valve 7 and second Electric air valve 8 are opened.
When brand-new wind operating mode is moved; Air handling process of the present invention is: all get into full-heat-exchange equipment 11 via second airduct 2 from outdoor new wind of coming in; All get into full-heat-exchange equipment 11 from indoor return air of coming in via first airduct 1; All new wind carries out energy exchange with whole return air in full-heat-exchange equipment 11, realize that the preliminary energy of return air reclaims.
When having thermic load and humidity load, heat pump unit moves according to refrigeration mode when indoor.On the one hand, the new wind after full-heat-exchange equipment 11 recuperations of heat gets into the second heat exchanger e under the effect of first blower fan 12, realizes cooling dehumidifying; If this moment is the aperture of opening and regulating the second electric control valve g; Regulate thus through the refrigerant flow of heat exchanger c again; After the Cryogenic air that absolute humidity after being handled by the second heat exchanger e is reduced gets into heat exchanger c again; Can carry out etc. wetly being warming up to needed wind pushing temperature, and then be admitted to indoor.On the other hand; Indoor return air after full-heat-exchange equipment 11 heat exchanges gets into the first heat exchanger b under the effect of second blower fan 13; Utilize the condensation heat of the heat pump cycle absorption return air of the first heat exchanger b; Thereby realize the cascade utilization and the secondary recovery of the realization energy of energy, thoroughly reclaim the energy of return air.
When having refrigeration duty, heat pump unit moves according to heating mode when indoor.On the one hand, get into the second heat exchanger e under the effect of first blower fan 12 through the new wind after full-heat-exchange equipment 11 recuperations of heat and absorbing heat and satisfy new wind requirement after heating up, sending into indoorly then, and can bear certain refrigeration duty as required.On the other hand, under effect, get into the first heat exchanger b through the indoor return air after full-heat-exchange equipment 11 heat exchanges at second blower fan 13 and further cool, drain into outdoor then.
The present invention can be through regulating heat pump unit the flow of compressor a come the water capacity of control system air-supply or the temperature of system's air-supply.Concrete grammar is: when heat pump unit moves according to refrigeration mode and need regulate the water capacity of system's air-supply; If the water capacity measured value of system's air-supply is greater than the water capacity preset value; Then increase the flow of compressor a; When the actual dehumidification by condensation humidity of system's air-supply reached the humidity preset value, the present flow rate of keeping compressor a was constant; If the water capacity measured value of system's air-supply then reduces the flow of compressor a less than the humidity preset value, when the actual dehumidification by condensation humidity of system's air-supply reached the humidity preset value, the present flow rate of keeping compressor a was constant.When heat pump unit moves according to refrigeration mode and need regulate the temperature of system's air-supply; If the measured value of the temperature of system's air-supply is greater than the temperature preset value; Then increase the flow of compressor a; When the actual temperature of system's air-supply reached the temperature preset value, the present flow rate of keeping compressor a was constant; If the measured value of the temperature of system's air-supply then reduces the flow of compressor a less than the temperature preset value, when the actual temperature of system's air-supply reached the temperature preset value, the present flow rate of keeping compressor a was constant.
Further; As preferred implementation of the present invention; When indoor thermic load and the humidity load of existing; When heat pump unit moves according to refrigeration mode, the present invention through regulating compressor a refrigerant flow and through first electric control valve f on the corresponding refrigerant pipe of regulating the first heat exchanger b and heat exchanger c again and the aperture of the second electric control valve g, temperature and water capacity that system is blown all reach preset value.Concrete grammar is:
At first, make the actual water capacity of system's air-supply reach the humidity preset value according to preceding method through the refrigerant flow of regulating compressor a.
The temperature of blowing then, by following method regulating system:
When the measured value of system's wind pushing temperature during greater than the temperature preset value; Open big aperture of leading to the first electric control valve f on the refrigerant pipe of the first heat exchanger b; Turn down simultaneously be installed in refrigerant pipe that heat exchanger c again is connected on the aperture of the second electric control valve g, it is constant to keep current valve position in the time of after the temperature of sending into indoor system's air-supply reaches the temperature preset value.When the measured temperature of system air-supply during less than the temperature preset value; Turn the aperture of leading to the first electric control valve f on the refrigerant pipe of the first heat exchanger b down; Open simultaneously be installed in greatly be connected with heat exchanger c again refrigerant pipe on the second electric control valve g, it is constant after the temperature of system's air-supply reaches the temperature preset value, to keep current valve position.Thus, through regulating the refrigerant flow of heat exchanger c again, and then change the heat again of heat pump unit, make the measurement temperature of system's air-supply reach the temperature preset value, thereby realize again the grade wet intensification of heat exchanger c system's air-supply.
To sum up, the present invention can realize the brand-new wind operating mode and the return air operating mode of air handling process through regulating Electric air valve, utilizes heat pump principle, relies on apparatus of the present invention itself can realize the adjusting of wind pushing temperature and humidity fully.Simultaneously, the present invention carries out heat recovery to air draft, has practiced thrift the discharging energy consumption, has improved the operational efficiency of heat pump unit.In addition, one aspect of the present invention is used through air conditioner unit of the present invention and heat pump unit, can directly utilize built-in heat pump unit realization temperature humidity control and not need to establish in addition low-temperature receiver; Utilize heat pump unit to carry out energy on the other hand and reclaim, can improve the whole efficiency of air conditioner unit.
Claims (10)
1. built-in heat pump recuperation of heat air processor; It is characterized in that: comprise heat pump unit and air conditioner unit; Said air conditioner unit comprises first airduct, second airduct, the 3rd airduct, the 4th airduct, full-heat-exchange equipment, first blower fan and second blower fan; Said heat pump unit comprises compressor, first heat exchanger, throttling dropping equipment and second heat exchanger, and said compressor, first heat exchanger, throttling dropping equipment and second heat exchanger are in turn connected into loop through refrigerant pipe; Said second heat exchanger and first blower fan place in the 3rd airduct, and first blower fan is used for the Way out of the 3rd airduct of the wind direction in the 3rd airduct is carried; Said compressor places in second airduct; Said first heat exchanger, second blower fan and throttling dropping equipment place in the 4th airduct, and second blower fan is used for the Way out of the 4th airduct of the wind direction in the 4th airduct is carried; Said first airduct, second airduct, the 3rd airduct, the 4th airduct are connected with full-heat-exchange equipment respectively, and first airduct and the connection of the 4th airduct, and second airduct and the 3rd airduct are communicated with; Indoor return air is got into by first airduct, and outdoor new wind is got into by second airduct, system air-supply via the 3rd airduct to indoor conveying, outdoor air draft via the 4th airduct to outdoor conveying.
2. built-in heat pump recuperation of heat air processor according to claim 1; It is characterized in that: also comprise tendencies pipe and the 6th airduct; Said first airduct and the 3rd airduct are communicated with through the tendencies pipe, and said second airduct and the 4th airduct are communicated with through the 6th airduct.
3. built-in heat pump recuperation of heat air processor according to claim 2 is characterized in that: in said tendencies pipe and/or the 6th airduct Electric air valve is installed.
4. according to each described built-in heat pump recuperation of heat air processor in the claim 1 to 3, it is characterized in that: also comprise again the heat exchanger and/or first electric control valve; Said first electric control valve is installed on the refrigerant pipe that is connected with first heat exchanger; Said heat exchanger again places in the 3rd airduct; An end of heat exchanger is connected with compressor through refrigerant pipe again; The other end of heat exchanger is connected with the throttling dropping equipment through refrigerant pipe again; With a wherein end of heat exchanger is connected again said refrigerant pipe on second electric control valve is installed, said second electric control valve is used to regulate through the refrigerant flow of heat exchanger again; When the second motorized adjustment opening of valves, be divided into two-way from the cold-producing medium of compressor: the one tunnel gets into the throttling dropping equipment via heat exchanger again, and another road gets into the throttling dropping equipment via first heat exchanger.
5. method of utilizing built-in heat pump recuperation of heat air processor to carry out air-treatment; It is characterized in that: all via getting into the air-supply of the 3rd airduct formation system behind the full-heat-exchange equipment, all form outdoor air draft via getting into the 4th airduct behind the full-heat-exchange equipment from the indoor return air of first airduct from the outdoor new wind of second airduct;
When indoor when having thermic load and humidity load; High-temperature high-pressure refrigerant steam from compressor becomes cryogenic high pressure liquid after first heat exchanger is handled; Then, the throttling dropping equipment becomes low-temperature low-pressure refrigerant after handling; And then get into the vaporization of absorbing heat of second heat exchanger, turn back in the compressor at last; In the 3rd airduct, system's air-supply gets into second heat exchanger and carries out cool-down dehumidification under the effect of first blower fan; In the 4th airduct, outdoor air draft gets into first heat exchanger to absorb the air draft condensation heat under the effect of second blower fan;
When indoor when having refrigeration duty; High-temperature high-pressure refrigerant steam from compressor is treated as cryogenic high pressure liquid through second heat exchanger; Then, the throttling dropping equipment becomes low-temperature low-pressure refrigerant after expanding step-down; And then get into the vaporization of absorbing heat of first heat exchanger, turn back in the compressor at last; In the 3rd airduct, the intensification of absorbing heat of system air-supply entering second heat exchanger under the effect of first blower fan; In the 4th airduct, outdoor air draft gets into first heat exchanger and cools under the effect of second blower fan.
6. method of utilizing built-in heat pump recuperation of heat air processor to carry out air-treatment; It is characterized in that: a part of indoor return air that gets into first airduct via the tendencies pipe after, and get into by second airduct after mix in the 3rd airduct by a part of outdoor new wind of full-heat-exchange equipment and to form system and blow; The indoor return air of another part that gets into first airduct via full-heat-exchange equipment after, and get into by second airduct after mix in the 4th airduct by the outdoor new wind of another part of the 6th airduct and to form outdoor air draft;
When indoor when having thermic load and humidity load; High-temperature high-pressure refrigerant steam from compressor becomes cryogenic high pressure liquid after first heat exchanger is handled; Then, the throttling dropping equipment becomes low-temperature low-pressure refrigerant after handling; And then get into the vaporization of absorbing heat of second heat exchanger, turn back in the compressor at last; In the 3rd airduct, system's air-supply gets into second heat exchanger and carries out cool-down dehumidification under the effect of first blower fan; In the 4th airduct, outdoor air draft gets into first heat exchanger to absorb the air draft condensation heat under the effect of second blower fan;
When indoor when having refrigeration duty; High-temperature high-pressure refrigerant steam from compressor is treated as cryogenic high pressure liquid through second heat exchanger; Then, the throttling dropping equipment becomes low-temperature low-pressure refrigerant after expanding step-down; And then get into the vaporization of absorbing heat of first heat exchanger, turn back in the compressor at last; In the 3rd airduct, the intensification of absorbing heat of system air-supply entering second heat exchanger under the effect of first blower fan; In the 4th airduct, outdoor air draft gets into first heat exchanger and cools under the effect of second blower fan.
7. according to claim 5 or 6 described methods; It is characterized in that: when indoor when having thermic load and humidity load; Open and regulate be installed on refrigerant pipe that the wherein end of heat exchanger again is connected on the aperture of second electric control valve; Make the high-temperature high-pressure refrigerant steam from compressor be divided into two-way: the one tunnel is treated as cryogenic high pressure liquid via heat exchanger again; Another road is treated as cryogenic high pressure liquid via first heat exchanger, and said two-way cryogenic high pressure liquid gets into the throttling dropping equipment and expands and become low-temperature low-pressure refrigerant after the step-down; In the 3rd airduct, the system's air-supply after second heat exchanger is handled gets into again that heat exchanger heats again; When having refrigeration duty, close said second electric control valve when indoor.
8. according to claim 5 or 6 described methods, it is characterized in that:
When indoor when having thermic load and humidity load,, reach the water capacity preset value up to the water capacity measured value of system's air-supply if the water capacity measured value of system's air-supply then increases the flow of compressor greater than the water capacity preset value; If the water capacity measured value of system's air-supply then reduces the flow of compressor less than the water capacity preset value, the water capacity measured value of blowing up to system reaches the water capacity preset value;
When indoor when having thermic load and humidity load,, reach the temperature preset value up to the measured temperature of system's air-supply if the measured temperature of system's air-supply then increases the flow of compressor greater than the temperature preset value; If the measured temperature of system's air-supply then reduces the flow of compressor less than the temperature preset value, the measured temperature of blowing up to system reaches the temperature preset value;
When indoor when having refrigeration duty,, reach the temperature preset value up to the measured temperature of system's air-supply if the measured temperature of system's air-supply then reduces the flow of compressor greater than the temperature preset value; If the measured temperature of system's air-supply then increases the flow of compressor less than the temperature preset value, the measured temperature of blowing up to system reaches the temperature preset value.
9. according to claim 5 or 6 described methods, it is characterized in that:
When having thermic load and humidity load, if measured temperature and the temperature preset value of system's air-supply are unequal, then following method is regulated the temperature that system blows when indoor:
If the measured temperature of system's air-supply is greater than the temperature preset value; Then open the aperture that is installed in first electric control valve on the refrigerant pipe that is connected with first heat exchanger greatly; Turn down simultaneously be installed in refrigerant pipe that heat exchanger again is connected on the aperture of second electric control valve, reach the temperature preset value until the temperature of sending into indoor system's air-supply; If the measured temperature of system's air-supply is then turned the aperture of said first electric control valve down less than the temperature preset value, open the aperture of big said second electric control valve simultaneously, the temperature of blowing until system reaches the temperature preset value.
10. method according to claim 9 is characterized in that:
,, then, the temperature of system's air-supply the water capacity that system blows is regulated before being regulated when having thermic load and humidity load when indoor by following method if water capacity measured value and the water capacity preset value of system's air-supply are unequal:
If the water capacity measured value of system's air-supply then increases the refrigerant flow of compressor greater than the water capacity preset value, the water capacity measured value of blowing up to system reaches the water capacity preset value; If the water capacity measured value of system's air-supply then reduces the refrigerant flow of compressor less than the water capacity preset value, the water capacity measured value of blowing up to system reaches the water capacity preset value.
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Application publication date: 20120808 |