CN201363859Y - Air conditioning unit - Google Patents

Air conditioning unit Download PDF

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Publication number
CN201363859Y
CN201363859Y CNU2009200496641U CN200920049664U CN201363859Y CN 201363859 Y CN201363859 Y CN 201363859Y CN U2009200496641 U CNU2009200496641 U CN U2009200496641U CN 200920049664 U CN200920049664 U CN 200920049664U CN 201363859 Y CN201363859 Y CN 201363859Y
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CN
China
Prior art keywords
heat exchanger
air
water
conditioning unit
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2009200496641U
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Chinese (zh)
Inventor
谭建明
张龙
熊建国
王忠华
高东明
李鸣姝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CNU2009200496641U priority Critical patent/CN201363859Y/en
Application granted granted Critical
Publication of CN201363859Y publication Critical patent/CN201363859Y/en
Anticipated expiration legal-status Critical
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

Abstract

The utility model provides an air conditioning unit which has more optimized performance, recycles the waste heat generated by the air conditioning unit, utilizes an efficient heat-pump principle to produce hot water, conserves energy, protects the environment, facilitates the multifunctional realization, and achieves a plurality of functions of refrigeration, heat generation and hot water generation. The utility model is realized through the following scheme: the air conditioning unit comprises a control system, an air-cooled heat exchanger, a water-cooled heat exchanger, a throttling device, a compressor and a plurality of refrigerant pipelines connected among the air-cooled heat exchanger, the water-cooled heat exchanger, the throttling device and the compressor; a refrigerant flows in the refrigerant pipelines in an internal circulation manner; the air conditioning unit further comprises a domestic hot-water heat exchanger, and an exhaust pipe of the compressor is connected with an entry end of the domestic hot-water heat exchanger; and the exit end of the domestic hot-water heat exchanger is connected with a switching device capable of conducting the system switch between the heat recovery and the non-heat recovery. In addition, the air-cooled heat exchanger is a fin type heat exchanger, and the switching device is a three-way valve.

Description

A kind of air-conditioning unit
Technical field
The utility model belongs to the application of air-conditioning technical, be specifically related to a kind of can be with heat recovery, have an a kind of air-conditioning unit that heats water function.
Background technology
The residential central air conditioning of cold/hot water unit form (hereinafter to be referred as: the circulation of the cold/hot water unit) cold-producing medium is identical with the normal domestic use air-conditioning, that is: the air cooling heat exchanger of unit is a condenser during refrigeration, and the water cooling heat exchanger of unit is an evaporimeter; The compressed machine of cold-producing medium is collapsed into the HTHP overheated gas, condensation heat release in air cooling heat exchanger, become supercooled liquid, after the step-down of throttling arrangement resistance, become the low-pressure low-temperature two-phase fluid again and enter water cooling heat exchanger evaporation heat absorption (this moment, refrigerating medium was cooled), return compressor at last and enter next circulation.The air cooling heat exchanger of unit is an evaporimeter when heating, and the water cooling heat exchanger of unit is a condenser; The compressed machine of cold-producing medium is collapsed into the HTHP overheated gas, condensation heat release in water cooling heat exchanger (this moment, refrigerating medium was heated), become supercooled liquid, after the step-down of throttling arrangement resistance, become the low-pressure low-temperature two-phase fluid again and enter air cooling heat exchanger evaporation heat absorption, return compressor at last and enter next circulation.The circulation of the cold-producing medium of cold/hot water unit is with the different of residential central air conditioning of normal domestic use air-conditioning and VRV form: the cold/hot water unit is not directly delivered to cold-producing medium in user's the heat exchanger as pumped (conveying) medium, and special pumped (conveying) medium---refrigerating medium is delivered to user side but by water cooling heat exchanger the cold/heat of cold-producing medium is passed to.This refrigerating medium is generally water.The refrigerating medium circulation of cold/hot water unit is: the high/low temperature of returning from each user's heat exchanger (is high temperature during cooling, being low temperature during heat supply) backwater mixes in water collector, sending in the water cooling heat exchanger heat exchange through air-conditioning water pump pressurization, to become low/high temperature (be low temperature during cooling, being high temperature during heat supply) refrigerating medium enters water knockout drum, enter the supply channel of each conditioned space again by the water knockout drum shunting, water supply at the heat transmission equipment in each room (for example: become high/low temperature backwater fan coil) after conditioned space discharges cold/heat and got back in the water collector by water return pipeline, enter next circulation.
Social development is fast, and technological innovation is maked rapid progress, and people constantly strengthen energy environment protection consciousness.Raising along with economic development and people's living standard, the air-conditioning unit is because to have an intelligent management of being convenient to, refrigeration/heat big and be convenient to be characteristics such as zones of different flexible configuration refrigeration/heat, the market prospects of becoming better and better are arranged, come into increasing family and office space gradually.And it is current, most air-conditioning unit just has summer refrigeration, winter and heats to regulate the simple function of indoor air temperature, summer particularly, a large amount of heat that the air-conditioning unit is produced in process of refrigerastion is all had no to be discharged in the outside atmosphere with utilizing, has caused the thermal pollution of outdoor air and the significant wastage of the energy.This air-conditioning unit only uses with summer in the winter time, and utilization rate is not high yet; Meanwhile, have the family of air-conditioning unit and office space also to need to buy in addition water heater, increased spending, and electric heater, the gas heater power consumption is very big, security is also relatively poor to solve the problem of daily hot water in the life.Many air-conditioners that heat water function that have have also been emerged in large numbers at present, but only limit in air conditioner refrigerating, the used heat that utilizes air-conditioner to produce comes heat hot water, perhaps it mainly relies on electrical heating that water is heated, and heat exchanger can not be satisfied little refrigerating capacity demand as the evaporimeter use when freezing and heating water; In the time of air conditioner heat-production, although heat pump heats the characteristics with high energy efficiency, prior art does not also have desirable technical scheme to realize heating simultaneously the function of water.So, need further develop a kind of air-conditioning unit that hot water can both be provided in air-conditioner refrigeration and heating operation.
Summary of the invention
The purpose of this utility model is to provide a kind of air-conditioning unit, and performance is more optimized, the recyclable used heat that utilizes the air-conditioning unit to produce, also can utilize the heat pump principle of high energy efficiency to heat water, energy-conserving and environment-protective, and help a tractor serves several purposes, can realize freezing, heat, heat three kinds of functions of water.
The utility model is achieved through the following technical solutions:
A kind of air-conditioning unit includes control system, air cooling heat exchanger, water cooling heat exchanger, throttling arrangement, compressor and is connected in many refrigerant pipes between described air cooling heat exchanger, water cooling heat exchanger, throttling arrangement, the compressor; Refrigerant circulates in described refrigerant pipe; Wherein, described air-conditioning unit also includes domestic hot-water's heat exchanger, and the blast pipe of described compressor is connected with the arrival end of described domestic hot-water's heat exchanger; The port of export of described domestic hot-water's heat exchanger is connected with one can carry out the switching device shifter that system is switched to recuperation of heat and non-recuperation of heat.
Described air cooling heat exchanger is a kind of finned heat exchanger, and described switching device shifter is a kind of triple valve.
To sum up, the beneficial effects of the utility model are:
A kind of air-conditioning unit of the present utility model, be a kind of new air conditioner water heating machine system, this system can provide one or both in air conditioning water, domestic hot-water, the air conditioning hot simultaneously, include domestic hot-water's heat exchanger, the blast pipe of described compressor is connected with the arrival end of described domestic hot-water's heat exchanger; The port of export of described domestic hot-water's heat exchanger is connected with one can carry out the switching device shifter that system is switched to recuperation of heat and non-recuperation of heat.Have following advantage:
1, all reclaims condenser heat, energy savings;
2, provide stable thermobiosis hot water;
3, a tractor serves several purposes, cost are lower than the space that two kinds of unit sums have been saved independent hot water machine.
Description of drawings
Fig. 1 is the structural representation of a kind of air-conditioning unit of the utility model.
Description of reference numerals:
1. compressor 2. domestic hot-water's heat exchangers 3. triple valves 4. cross valves 5. finned heat exchangers
6. check valve one 7. check valves 2 8. gas-liquid separators 9. heat expansion valve 10. refrigeration expansion valves
11. bypass solenoid valve one 12. water cooling heat exchangers 13. fluid reservoirs 14. bypass solenoid valves two.
The specific embodiment
The utility model discloses a kind of air-conditioning unit, includes control system, air cooling heat exchanger, water cooling heat exchanger, throttling arrangement, compressor and is connected in many refrigerant pipes between described air cooling heat exchanger, water cooling heat exchanger, throttling arrangement, the compressor; Refrigerant circulates in described refrigerant pipe; Wherein, described air-conditioning unit includes one in order to produce domestic hot-water's heat exchanger of domestic hot-water, and the blast pipe of described compressor is connected with the arrival end of described domestic hot-water's heat exchanger; The port of export of described domestic hot-water's heat exchanger is connected with one can carry out the switching device shifter that system is switched to recuperation of heat and non-recuperation of heat.
As shown in Figure 1, described air cooling heat exchanger is a kind of finned heat exchanger 5; Described switching device shifter is a kind of triple valve 3, and the port of export of described compressor 1 connects first port of domestic hot-water's heat exchanger, triple valve 3 successively.
The air intake duct of described compressor 1 is connected with first interface of a gas-liquid separator 8, and described gas-liquid separator 8 also is provided with second interface.
Between second interface of described finned heat exchanger 5 and gas-liquid separator 8, be provided with a bypass solenoid valve 11.
Between second interface of described water cooling heat exchanger 12 and gas-liquid separator 8, be provided with a bypass solenoid valve 14.
Second port of described triple valve 3 is connected with a cross valve 4, and described cross valve 4 also is connected with gas-liquid separator 8, water cooling heat exchanger 12 and finned heat exchanger 5 respectively.
Described air-conditioning unit includes a fluid reservoir 13, and described fluid reservoir 13 has first interface, second interface and the 3rd interface; First interface of described fluid reservoir 13 is connected respectively with the 3rd port of finned heat exchanger 5 and triple valve 3, and finned heat exchanger 5 and triple valve 3 are connected in parallel; Second interface of described fluid reservoir 13 is connected with water cooling heat exchanger 12; The 3rd interface of described fluid reservoir 13 with heat expansion valve 9 and be connected respectively with refrigeration expansion valve 10, heat expansion valve 9 and the expansion valve 10 that freezes is connected in parallel.
Be provided with check valve 1 between first interface of described fluid reservoir 13 and the finned heat exchanger 5; Be provided with check valve 27 between second interface of described fluid reservoir 13 and the water cooling heat exchanger 12.
The other end of described refrigeration expansion valve 10 connects water cooling heat exchanger 12, and the described other end that heats expansion valve 9 connects finned heat exchanger 5.
Described control system is electrically connected described bypass solenoid valve 1, bypass solenoid valve 2 14 respectively, heats expansion valve 9 and refrigeration expansion valve 10.
Described air-conditioning unit has following operational mode:
One, during separate refrigeration: compressor 1 exhaust is through life water-to-water heat exchanger 2, owing to there is not water mobile, so gas can condensation, arrive triple valve 3 afterwards and arrive cross valve 4 again, arrive finned heat exchanger 5 afterwards, in finned heat exchanger 5, be condensed into liquid, arrive fluid reservoir 13 through check valve 1 afterwards, after fluid reservoir 13 comes out, to water cooling heat exchanger 12, flash to gas through refrigeration expansion valve 10, cold water is cooled simultaneously, flow back to gas-liquid separator 8 through cross valve 4 afterwards, get back to compressor 1.
In this process, heat expansion valve 9 and close, bypass solenoid valve 1 is closed, and bypass solenoid valve 2 14 is closed.
When two, making air conditioning hot separately: compressor 1 exhaust is through life water-to-water heat exchanger 2, owing to there is not water to flow, so gas can condensation, arrive triple valve 3 afterwards and arrive cross valve 4 again, arrive water cooling heat exchanger 12 afterwards, in water cooling heat exchanger 12, be condensed into liquid, in water, emit simultaneously heat, arrive fluid reservoir 13 through check valve 27 afterwards, after fluid reservoir 13 comes out,, flash to gas through heating expansion valve 9 to finned heat exchanger 5, flow back to gas-liquid separator 8 through cross valve 4 afterwards, get back to compressor 1.
In this process, refrigeration expansion valve 10 cuts out, and bypass solenoid valve 1 is closed, and bypass solenoid valve 2 14 is closed.
When three, making the domestic hot-water separately: compressor 1 exhaust is through life water-to-water heat exchanger 2, open owing to water pump this moment, refrigerant is condensed into liquid with the heat exchange of life water, life water is heated simultaneously, arrive triple valve 3 afterwards and arrive fluid reservoir 13 again, after fluid reservoir 13 comes out, through heating expansion valve 9 to finned heat exchanger 5, flow back to gas-liquid separator 8 through cross valve 4 afterwards, get back to compressor 1.
In this process, refrigeration expansion valve 10 cuts out, and bypass solenoid valve 2 14 is opened, and bypass solenoid valve 1 is closed, and so just can guarantee that water cooling heat exchanger 12 is in low pressure all the time, can not cause system's refrigerant circulation deficiency because of hydrops in this heat exchanger.
Four, during refrigeration+hot water: compressor 1 exhaust is through life water-to-water heat exchanger 2, open owing to water pump this moment, refrigerant is condensed into liquid with the heat exchange of life water, and life water is heated simultaneously, arrives triple valve 3 afterwards and arrives fluid reservoir 13 again, after fluid reservoir 13 comes out, through heating expansion valve 9 to water cooling heat exchanger 12, refrigerant evaporation becomes gas in water cooling heat exchanger 12, and cold water is cooled simultaneously, flow back to gas-liquid separator 8 through cross valve 4 afterwards, get back to compressor 1.
In this process, heat expansion valve 9 and close, bypass solenoid valve 1 is opened, and bypass solenoid valve 2 14 is closed, and so just can guarantee that finned heat exchanger 5 is in low pressure all the time, can not cause system's refrigerant circulation deficiency because of hydrops in this heat exchanger.
Five, heat+during hot water: compressor 1 exhaust is through life water-to-water heat exchanger 2, arrive water cooling heat exchanger 12 through triple valve 3 and cross valve 4 backs, condensation in these two heat exchangers, if the hot water side load is big, then the refrigerant in the hot water side condensation is many, air conditioner water side load is big, then the refrigerant in the condensation of air conditioner water side is many, through after these two heat exchangers, arrives fluid reservoir 13 through check valve 27, after coming out from fluid reservoir 13, through heating expansion valve 9 throttlings,, in finned heat exchanger 5, flash to gas to finned heat exchanger 5, arrive gas-liquid separator 8 through cross valve 4 afterwards, get back to compressor 1 afterwards.In this process, refrigeration expansion valve 10 cuts out, and bypass solenoid valve 1 and bypass solenoid valve 2 14 are closed.
Six, during defrost: life water water pump cuts out, behind compressor 1 exhaust life water-to-water heat exchanger 2, triple valve 3, the cross valve 4, arrive finned heat exchanger 5, frost on the finned heat exchanger 5 is melted, and condensation of gas becomes liquid, afterwards through check valve 1 to fluid reservoir 13, after fluid reservoir 13 comes out, to water cooling heat exchanger 12, flow back to gas-liquid separator 8 through cross valve 4 through refrigeration expansion valve 10 afterwards, get back to compressor 1.
In this process, heat expansion valve 9 and close, bypass solenoid valve 1 and bypass solenoid valve 2 14 are closed.
Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to protection domain of the present utility model.

Claims (10)

1, a kind of air-conditioning unit includes control system, air cooling heat exchanger, water cooling heat exchanger, throttling arrangement, compressor and is connected in many refrigerant pipes between described air cooling heat exchanger, water cooling heat exchanger, throttling arrangement, the compressor; Refrigerant circulates in described refrigerant pipe; It is characterized in that: described air-conditioning unit includes one in order to produce domestic hot-water's heat exchanger of domestic hot-water, and the blast pipe of described compressor is connected with the arrival end of described domestic hot-water's heat exchanger; The port of export of described domestic hot-water's heat exchanger is connected with one can carry out the switching device shifter that system is switched to recuperation of heat and non-recuperation of heat.
2, a kind of air-conditioning unit according to claim 1 is characterized in that: described air cooling heat exchanger is a kind of finned heat exchanger (5); Described switching device shifter is a kind of triple valve (3), and the port of export of described compressor (1) connects first port of domestic hot-water's heat exchanger, triple valve (3) successively.
3, a kind of air-conditioning unit according to claim 1 and 2 is characterized in that: the air intake duct of described compressor (1) is connected with first interface of a gas-liquid separator (8), and described gas-liquid separator (8) also is provided with second interface.
4, a kind of air-conditioning unit according to claim 3 is characterized in that: be provided with a bypass solenoid valve (11) between second interface of described finned heat exchanger (5) and gas-liquid separator (8).
5, a kind of air-conditioning unit according to claim 4 is provided with a bypass solenoid valve (14) between second interface of described water cooling heat exchanger (12) and gas-liquid separator (8).
6, a kind of air-conditioning unit according to claim 5, it is characterized in that: second port of described triple valve (3) is connected with a cross valve (4), and described cross valve (4) also is connected with gas-liquid separator (8), water cooling heat exchanger (12) and finned heat exchanger (5) respectively.
7, a kind of air-conditioning unit according to claim 6, it is characterized in that: described air-conditioning unit includes a fluid reservoir (13), and described fluid reservoir (13) has first interface, second interface and the 3rd interface; First interface of described fluid reservoir (13) is connected respectively with the 3rd port of finned heat exchanger (5) with triple valve (3), and finned heat exchanger (5) and triple valve (3) are connected in parallel; Second interface of described fluid reservoir (13) is connected with water cooling heat exchanger (12); The 3rd interface of described fluid reservoir (13) with heat expansion valve (9) and be connected respectively with refrigeration expansion valve (10), heat expansion valve (9) and the expansion valve (10) that freezes is connected in parallel.
8, a kind of air-conditioning unit according to claim 7 is characterized in that: be provided with check valve one (6) between first interface of described fluid reservoir (13) and the finned heat exchanger (5); Be provided with check valve two (7) between second interface of described fluid reservoir (13) and the water cooling heat exchanger (12).
9, a kind of air-conditioning unit according to claim 8 is characterized in that: the other end of described refrigeration expansion valve (10) connects water cooling heat exchanger (12), and the described other end that heats expansion valve (9) connects finned heat exchanger (5).
10, a kind of air-conditioning unit according to claim 9 is characterized in that: described control system is electrically connected described bypass solenoid valve one (11), bypass solenoid valve two (14) respectively, heats expansion valve (9) and refrigeration expansion valve (10).
CNU2009200496641U 2009-01-06 2009-01-06 Air conditioning unit Expired - Lifetime CN201363859Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200496641U CN201363859Y (en) 2009-01-06 2009-01-06 Air conditioning unit

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Application Number Priority Date Filing Date Title
CNU2009200496641U CN201363859Y (en) 2009-01-06 2009-01-06 Air conditioning unit

Publications (1)

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CN201363859Y true CN201363859Y (en) 2009-12-16

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Application Number Title Priority Date Filing Date
CNU2009200496641U Expired - Lifetime CN201363859Y (en) 2009-01-06 2009-01-06 Air conditioning unit

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635973A (en) * 2011-02-14 2012-08-15 苏州巴米特信息科技有限公司 Distinctive device for refrigerating, heating and hot water supplying
CN102721229A (en) * 2012-07-05 2012-10-10 赵克 Waste water source heat pump trigeneration unit
CN104279789A (en) * 2013-07-11 2015-01-14 东莞市微电环保科技有限公司 Triple co-generation air conditioner system
CN104567133A (en) * 2013-10-09 2015-04-29 海尔集团公司 Multifunctional multi-connected air conditioner and control method thereof
CN106839510A (en) * 2015-12-04 2017-06-13 无锡市汉马空调与通风设备有限公司 A kind of air-cooled heat pump trilogy supply air conditioner circulating system of waste heat recovery
CN110500827A (en) * 2018-10-16 2019-11-26 宁波市海智普智能科技有限公司 A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635973A (en) * 2011-02-14 2012-08-15 苏州巴米特信息科技有限公司 Distinctive device for refrigerating, heating and hot water supplying
CN102721229A (en) * 2012-07-05 2012-10-10 赵克 Waste water source heat pump trigeneration unit
CN102721229B (en) * 2012-07-05 2015-02-11 赵克 Waste water source heat pump trigeneration unit
CN104279789A (en) * 2013-07-11 2015-01-14 东莞市微电环保科技有限公司 Triple co-generation air conditioner system
CN104279789B (en) * 2013-07-11 2017-11-07 东莞市微电环保科技有限公司 A kind of trilogy supply air-conditioning system
CN104567133A (en) * 2013-10-09 2015-04-29 海尔集团公司 Multifunctional multi-connected air conditioner and control method thereof
CN106839510A (en) * 2015-12-04 2017-06-13 无锡市汉马空调与通风设备有限公司 A kind of air-cooled heat pump trilogy supply air conditioner circulating system of waste heat recovery
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle
CN110500827A (en) * 2018-10-16 2019-11-26 宁波市海智普智能科技有限公司 A kind of heat pump system for realizing air-conditioning, floor heating, domestic hot-water's trilogy supply

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Granted publication date: 20091216