CN202770049U - Hot water air conditioner - Google Patents

Hot water air conditioner Download PDF

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Publication number
CN202770049U
CN202770049U CN 201220247875 CN201220247875U CN202770049U CN 202770049 U CN202770049 U CN 202770049U CN 201220247875 CN201220247875 CN 201220247875 CN 201220247875 U CN201220247875 U CN 201220247875U CN 202770049 U CN202770049 U CN 202770049U
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CN
China
Prior art keywords
cross valve
hot water
heat exchanger
air conditioner
pipe
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
CN 201220247875
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Chinese (zh)
Inventor
孙乐
刘朋
阚光俊
魏忠鑫
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QINGDAO HAIZHIXIN ENERGY CO Ltd
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QINGDAO HAIZHIXIN ENERGY CO Ltd
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Priority to CN 201220247875 priority Critical patent/CN202770049U/en
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Publication of CN202770049U publication Critical patent/CN202770049U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a hot water air conditioner which comprises a compressor, an outdoor condenser, an indoor evaporator, a first four-way valve, a second four-way valve, a hot water heat exchanger, a first restricting element and a second restricting element, wherein an air outlet of the compressor is selectively connected with the hot water heat exchanger or the second four-way valve by the first four-way valve and selectively connected with the outdoor condenser or the indoor evaporator by the second four-way valve; an S interface of the first four-way valve and an S interface of the second four-way valve are connected with a return air port of the compressor; the first restricting element and the second restricting element are connected between the outdoor condenser and the indoor evaporator in series; a refrigerant outlet of the hot water heat exchanger is connected with a pipeline between the first restricting element and the second restricting element by a liquid outlet pipe; and an one-way valve is arranged on the liquid outlet pipe. The hot water air conditioner is simple in structure and high in heat exchange efficiency, and the refrigerant recovery can be achieved in various working modes, so that the air conditioner can operate normally in each mode.

Description

A kind of air conditioner able to heat water
Technical field
The utility model relates to a kind of air conditioner able to heat water, particularly a kind of air conditioner able to heat water of realizing independent water heating, refrigerated medium hot water, freeze and heating four kinds of independent working modes.
Background technology
Air-conditioner generally has refrigeration and heats two kinds of mode of operations, all have the loss of inoperative heat energy under these two kinds of mode of operations, the condenser heat radiation during refrigeration mode causes environmental thermal pollution in vain discharged to atmosphere, further strengthen city " tropical island effect ", affected people's living environment.
For addressing the above problem, available technology adopting a kind of multifunction water-heating air-conditioner, the water heating function that can have water heater can satisfy again the refrigeration and heat-production functions of common air-conditioning, also can utilize on this basis recuperation of heat to produce the domestic hot-water in refrigeration.Be widely used in now the fields such as villa, barbershop, dormitory and dining room.
Wherein, what comparatively generally adopt is that heat exchanger in series with water tank is between the d pipe of compressor air-discharging and cross valve, c pipe and the e pipe of cross valve are connect respectively outdoor heat exchanger and indoor heat exchanger, between outdoor heat converter and indoor heat converter, increase throttling arrangement (such as electric expansion valve) and realize refrigeration, heat the function of heat reclamation heat-production water in the time of water heating and refrigeration.
Existing this system principle, although can realize needed various pattern, but when water heating, owing to having adopted the heat exchanger of water tank and condenser (when heating, this condenser refers to outdoor heat exchanger, when refrigeration, this condenser refers to indoor heat exchanger) series connection mode, when water temperature lower, when the condensation effect of the heat exchanger of water tank is reasonable, the refrigerant of liquid can exist in the cool condenser after the condensation, can there be the phenomenon that lacks refrigerant after system operation a period of time, have had a strong impact on efficient and the Systems balanth of heat exchange, and along with the increase of heat exchanger volume, this phenomenon can be more obvious, can't normally move to such an extent as to low pressure is crossed low system.
For the problems referred to above, solve although can reach by the series connection of two cross valves the mode of the rectifier bridge that is formed by four check valves, the cost of bridge-type pipeline group is higher, and structure is comparatively complicated, and reliability is not high yet.
Summary of the invention
The utility model main purpose is to address the above problem and is not enough, provides a kind of simple in structure, and heat exchange efficiency is high, and stable air conditioner able to heat water.
For achieving the above object, the technical solution of the utility model is:
A kind of air conditioner able to heat water comprises compressor, outdoor condenser, indoor evaporator, also comprises the first cross valve, the second cross valve, hot water heat exchanger, first throttle element, second section fluid element; The exhaust outlet of described compressor is connected with described hot water heat exchanger or the second cross valve selectively by the first cross valve, and be connected with described outdoor condenser or indoor evaporator selectively by the second cross valve, the S interface of described the first cross valve be connected the S interface of cross valve and all be connected with the gas returning port of described compressor; Between described outdoor condenser and indoor evaporator, be serially connected with first throttle element and second section fluid element, the refrigerant exit of described hot water heat exchanger is connected on the pipeline between described first throttle element and the second section fluid element by drain pipe, arranges on the described drain pipe to prevent that refrigerant is back to check valve in the described hot water heat exchanger from described drain pipe.
Further, described hot water heat exchanger is water tank type hot water exchanger or the plate type heat exchanger that connects water tank.
Further, described first throttle element and second section fluid element adopt electric expansion valve.
Further, under refrigeration mode, described the first cross valve does not power on, and described the second cross valve does not power on, described first throttle element control throttling, described second section fluid element standard-sized sheet.
Further, under heating mode, described the first cross valve does not power on, and described the second cross valve powers on, described first throttle element standard-sized sheet, described second section fluid element control throttling.
Further, under the water heating pattern, described the first cross valve powers on, and described the second cross valve powers on, described first throttle element complete shut-down, described second section fluid element control throttling.
Further, under the same time water heating pattern of refrigeration, described the first cross valve powers on, and described the second cross valve does not power on, described first throttle element control throttling, described second section fluid element complete shut-down.
Content to sum up, a kind of air conditioner able to heat water described in the utility model, overall structure is simple, heat exchange efficiency is high, use series connection and two electric expansion valves of two cross valves to divide two-way to hold back, power-up state by switching two cross valves and the aperture of electric expansion valve, can realize refrigeration, heat, four kinds of patterns of heat reclamation heat-production water in the time of water heating and refrigeration all can realize under each pattern being vented to loop between the return-air two heat exchangers of only flowing through by compressor, another heat exchanger can be communicated with the return-air of compressor simultaneously, reclaim refrigerant, make each pattern all not deposit the hidden danger of refrigerant, air-conditioning all can normally be moved under each pattern.
Description of drawings
Fig. 1 the utility model structural representation.
Such as Fig. 1, compressor 1, outdoor condenser 2, indoor evaporator 3, the first cross valves 4, the second cross valves 5, hot water heat exchanger 6, first throttle element 7, second section fluid element 8, drain pipe 9, check valve 10, pipeline 11, threeway 12, threeway 13.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail:
As shown in Figure 1, a kind of air conditioner able to heat water comprises a compressor 1, outdoor condenser 2, indoor evaporator 3, the first cross valve 4, the second cross valve 5, hot water heat exchanger 6, first throttle element 7, second section fluid element 8.
The exhaust outlet of compressor 1 is connected with the d pipe of the first cross valve 4, and the c pipe of the first cross valve 4 connects the d pipe of the second cross valve 5, and the e pipe of the first cross valve 4 connects the tracheae of hot water heat exchanger 6.The tracheae of the c pipe junction chamber external condenser 2 of the second cross valve 5, the e pipe of the second cross valve 5 connects the tracheae of indoor evaporator 3, and the s pipe of the second cross valve 5, the s pipe of the first cross valve 4 connect together by threeway 13 with the return-air of compressor 1.The exhaust outlet of compressor 1 is connected with hot water heat exchanger 6 or the second cross valve 5 selectively by the first cross valve 4, and is connected with outdoor condenser 2 or indoor evaporator 3 selectively by the second cross valve 5.
Be serially connected with first throttle element 7 and second section fluid element 8 between outdoor condenser 2 and indoor evaporator 3, the liquid pipe of indoor evaporator 3 connects the outlet of first throttle element 7, and the liquid pipe of outdoor condenser 2 connects the outlet of second section fluid element 8.
The refrigerant exit of hot water heat exchanger 6 is connected on the pipeline 11 between first throttle element 7 and the second section fluid element 8 by drain pipe 9, be connected by threeway 12 between drain pipe 9 and the pipeline 11, arrange on the drain pipe 9 and prevent that refrigerant is back to check valve 10 in the hot water heat exchanger 6, the entrance of the refrigerant liquid outlet access check valve 10 of hot water heat exchanger 6 from drain pipe 9.
First throttle element 7 and the second section fluid element 8 preferred throttle opening adjustable electron expansion valves that adopt.
Hot water heat exchanger 6 adopts the hot water exchanger of water tank type, store domestic water in the water tank, pass into refrigerant pipe in water tank, the water in the high temperature refrigerant in the refrigerant pipe and the water tank carries out heat exchange, with the water in the heating water tank, for the user provides life needed hot water.Also can adopt plate type heat exchanger, the mouth of a river of plate type heat exchanger connects water tank, circulates in plate type heat exchanger by the water of water pump with water tank, and the water of high temperature refrigerant and the plate type heat exchanger of flowing through is carried out heat exchange, with the water of heating water tank, produces the domestic hot-water.
The below describes the course of work of four kinds of mode of operations in detail.
Embodiment one, indoor refrigeration mode:
Under indoor refrigeration mode, the first cross valve 4 does not power on, and the second cross valve 5 does not power on, first throttle element 7 control throttle openings, and second section fluid element 8 is in full-gear.
Refrigerant is at first discharged by compressor 1 exhaust outlet, enter the d pipe of the first cross valve 4, the d pipe of the first cross valve 4 is communicated with the c pipe of the first cross valve 4, and the d that enters the second cross valve 5 manages, the d pipe of the second cross valve 5 is communicated with the c pipe of the second cross valve 5, enter the tracheae of outdoor condenser 2, refrigerant is in outdoor condenser 2 after the condensation, entered the outlet of second section fluid element 8 by the liquid pipe, and enter the entrance of first throttle element 7 (because check valve 10 being arranged from the entrance of second section fluid element 8, so refrigerant can not flow to hot water heat exchanger 6), after 7 throttlings of first throttle element, refrigerant enters the liquid pipe of indoor evaporator 3 from the outlet of first throttle element 7, after in indoor evaporator 3, evaporating, enter the e pipe of the second cross valve 5 from the tracheae of indoor evaporator 3, the e pipe of the second cross valve 5 is communicated with the s pipe of the second cross valve 5, and refrigerant is returned the muffler of compressor 1 by the s pipe of the second cross valve 5.
Embodiment two, indoor heating pattern:
Under the indoor heating pattern, the first cross valve 4 does not power on, and the second cross valve 5 powers on, first throttle element 7 standard-sized sheets, second section fluid element 8 control throttle openings.
Refrigerant is at first discharged by compressor 1 exhaust outlet, enter the d pipe of the first cross valve 4, the d pipe of the first cross valve 4 is communicated with the c pipe, and the d that enters the second cross valve 5 manages, the d pipe of the second cross valve 5 is communicated with the e pipe of the second cross valve 5, enter the tracheae of indoor evaporator 3, refrigerant is in indoor evaporator 3 after the condensation, entered the outlet of first throttle element 7 by the liquid pipe of indoor evaporator 3, and enter the entrance of second section fluid element 8 (because check valve 10 being arranged from the entrance of first throttle element 7, so refrigerant can not flow to hot water heat exchanger 6), after 8 throttlings of second section fluid element, refrigerant enters the liquid pipe of outdoor condenser 2 from the outlet of second section fluid element 8, after in outdoor condenser 2, evaporating, refrigerant enters the c pipe of the second cross valve 5 from the tracheae of outdoor condenser 2, the c pipe of the second cross valve 5 is communicated with the s pipe of the second cross valve 5, and refrigerant is returned the muffler of compressor 1 by the s pipe of the second cross valve 5.
In indoor refrigeration with heat under the state, the tracheae of hot water heat exchanger 6 links to each other with the e pipe of the first cross valve 4, the e pipe of the first cross valve 4 communicates with the s pipe, link on compressor 1 return-air, make and keep low-pressure state in the hot water heat exchanger 6 always, can with the refrigerant recovering in the hot water heat exchanger 6, air-conditioning can normally be moved under this pattern.
Embodiment three, water heating pattern:
Under the water heating pattern, the first cross valve 4 powers on, and the second cross valve 5 powers on, first throttle element 7 complete shut-downs, second section fluid element 8 control throttle openings.
Refrigerant is at first discharged by compressor 1 exhaust outlet, enter the d pipe of the first cross valve 4, the d pipe of the first cross valve 4 is communicated with the e pipe, and enter the tracheae of hot water heat exchanger 6, enter the entrance of check valve 10 after the condensation from the liquid pipe of hot water heat exchanger 6, outlet links to each other with the entrance of first throttle element 7 and the entrance of second section fluid element 8 by threeway 12.Because first throttle element 7 complete shut-downs, refrigerant is by 8 throttlings of second section fluid element, enter the liquid pipe of outdoor condenser 2 from the outlet of second section fluid element 8, enter the c pipe of the second cross valve 5 after the evaporation from the tracheae of outdoor condenser 2, the c pipe of the second cross valve 5 communicates with the s pipe, gets back to compressor 1 muffler.
Under the water heating state, the tracheae of indoor evaporator 3 links to each other with the e pipe of the second cross valve 5, the e pipe of the second cross valve 5 communicates with the d pipe, the d pipe of the second cross valve 5 links to each other with the c pipe of the first cross valve 4, the c pipe of the first cross valve 4 communicates with the s pipe, connects the return-air of compressor 1, makes to keep low-pressure state in the indoor evaporator 3 always, with refrigerant recovering unnecessary in the indoor evaporator 3, air-conditioning can normally be moved under this pattern.
The same time water heating pattern of embodiment four, refrigeration:
Under the pattern of water heating, the first cross valve 4 powers in indoor refrigeration, and the second cross valve 5 does not power on, first throttle element 7 control throttle openings, second section fluid element 8 complete shut-downs.
Refrigerant is at first discharged by compressor 1 exhaust outlet, enter the d pipe of the first cross valve 4, the d pipe of the first cross valve 4 is communicated with the e pipe, and enter the tracheae of hot water heat exchanger 6, enter the entrance of check valve 10 after the condensation from the liquid pipe of hot water heat exchanger 6, the outlet of check valve 10 links to each other with the entrance of first throttle element 7 and the entrance of second section fluid element 8 by threeway 12.Because second section fluid element 8 complete shut-downs, refrigerant enters the liquid pipe of indoor evaporator 3 by 7 throttlings of first throttle element from outlet, enter the e pipe of the second cross valve 5 after the evaporation from the tracheae of indoor evaporator 3, the e pipe of the second cross valve 5 communicates with the s pipe, gets back to compressor 1 muffler.
In indoor refrigeration under the pattern of water heating, the tracheae of outdoor condenser 2 links to each other with the c pipe of the second cross valve 5, the c pipe of the second cross valve 5 communicates with the d pipe, the d pipe of the second cross valve 5 links to each other with the c pipe of the first cross valve 4, the c pipe of the first cross valve 4 communicates with the s pipe, connects the muffler of compressor 1, makes in the outdoor condenser 2 to keep low-pressure state always, with refrigerant recovering unnecessary in the indoor evaporator 3, air-conditioning can normally be moved under this pattern.
As mentioned above, given scheme content can derive similar technical scheme in conjunction with the accompanying drawings and embodiments.In every case be the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.

Claims (7)

1. air conditioner able to heat water, comprise compressor (1), outdoor condenser (2), indoor evaporator (3), it is characterized in that: also comprise the first cross valve (4), the second cross valve (5), hot water heat exchanger (6), first throttle element (7), second section fluid element (8);
The exhaust outlet of described compressor (1) is connected with described hot water heat exchanger (6) or the second cross valve (5) selectively by the first cross valve (4), and be connected with described outdoor condenser (2) or indoor evaporator (3) selectively by the second cross valve (5), the S interface of described the first cross valve (4) be connected the S interface of cross valve (5) and all be connected with the gas returning port of described compressor (1);
Between described outdoor condenser (2) and indoor evaporator (3), be serially connected with first throttle element (7) and second section fluid element (8), the refrigerant exit of described hot water heat exchanger (6) is connected on the pipeline between described first throttle element (7) and the second section fluid element (8) by drain pipe (9), and described drain pipe (9) is upper to be arranged and prevent that refrigerant is back to check valve (10) in the described hot water heat exchanger (6) from described drain pipe (9).
2. air conditioner able to heat water according to claim 1 is characterized in that: described hot water heat exchanger (6) is for the water tank type hot water exchanger or connect the plate type heat exchanger of water tank.
3. air conditioner able to heat water according to claim 1 and 2 is characterized in that: described first throttle element (7) and second section fluid element (8) employing electric expansion valve.
4. air conditioner able to heat water according to claim 3, it is characterized in that: under refrigeration mode, described the first cross valve (4) does not power on, and described the second cross valve (5) does not power on, described first throttle element (7) control throttling, described second section fluid element (8) standard-sized sheet.
5. air conditioner able to heat water according to claim 3, it is characterized in that: under heating mode, described the first cross valve (4) does not power on, and described the second cross valve (5) powers on, described first throttle element (7) standard-sized sheet, described second section fluid element (8) control throttling.
6. air conditioner able to heat water according to claim 3, it is characterized in that: under the water heating pattern, described the first cross valve (4) powers on, and described the second cross valve (5) powers on, described first throttle element (7) complete shut-down, described second section fluid element (8) control throttling.
7. air conditioner able to heat water according to claim 3, it is characterized in that: under the same time water heating pattern of refrigeration, described the first cross valve (4) powers on, and described the second cross valve (5) does not power on, described first throttle element (7) control throttling, described second section fluid element (8) complete shut-down.
CN 201220247875 2012-05-30 2012-05-30 Hot water air conditioner Expired - Lifetime CN202770049U (en)

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Application Number Priority Date Filing Date Title
CN 201220247875 CN202770049U (en) 2012-05-30 2012-05-30 Hot water air conditioner

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104101132A (en) * 2013-04-15 2014-10-15 郑州大学 Cooling and heating type air conditioning water heater
CN105444304A (en) * 2014-09-08 2016-03-30 张志刚 Air-conditioner domestic hot water machine
CN106196698A (en) * 2016-08-01 2016-12-07 北京工业大学 A kind of directly condensation heating heat pump apparatus of air source of band radiator
CN106403340A (en) * 2016-10-25 2017-02-15 佛山市澳霆环境设备制造有限公司 Refrigerant self-balancing device for multi-condenser refrigeration system
CN106871292A (en) * 2017-03-01 2017-06-20 武汉崇文新科技有限公司 A kind of air conditioner and heating water system
CN111811159A (en) * 2019-04-12 2020-10-23 苏州三星电子有限公司 Coal power transformation device with heat recovery function and air conditioner
CN111878961A (en) * 2020-06-19 2020-11-03 青岛海尔空调电子有限公司 VRF air conditioning system and control method and control device thereof

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104101132A (en) * 2013-04-15 2014-10-15 郑州大学 Cooling and heating type air conditioning water heater
CN105444304A (en) * 2014-09-08 2016-03-30 张志刚 Air-conditioner domestic hot water machine
CN106196698A (en) * 2016-08-01 2016-12-07 北京工业大学 A kind of directly condensation heating heat pump apparatus of air source of band radiator
CN106196698B (en) * 2016-08-01 2019-04-30 北京工业大学 A kind of directly condensation heating heat pump apparatus of air source with radiator
CN106403340A (en) * 2016-10-25 2017-02-15 佛山市澳霆环境设备制造有限公司 Refrigerant self-balancing device for multi-condenser refrigeration system
CN106403340B (en) * 2016-10-25 2022-02-11 佛山市澳霆环境设备制造有限公司 Refrigerant self-balancing device of multi-condenser refrigerating system
CN106871292A (en) * 2017-03-01 2017-06-20 武汉崇文新科技有限公司 A kind of air conditioner and heating water system
CN111811159A (en) * 2019-04-12 2020-10-23 苏州三星电子有限公司 Coal power transformation device with heat recovery function and air conditioner
CN111878961A (en) * 2020-06-19 2020-11-03 青岛海尔空调电子有限公司 VRF air conditioning system and control method and control device thereof
WO2021223612A1 (en) * 2020-06-19 2021-11-11 青岛海尔空调电子有限公司 Vrf air-conditioning system and control method therefor, and control device

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Granted publication date: 20130306

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