CN202032788U - Air conditioner hot water machine - Google Patents

Air conditioner hot water machine Download PDF

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Publication number
CN202032788U
CN202032788U CN2011200965571U CN201120096557U CN202032788U CN 202032788 U CN202032788 U CN 202032788U CN 2011200965571 U CN2011200965571 U CN 2011200965571U CN 201120096557 U CN201120096557 U CN 201120096557U CN 202032788 U CN202032788 U CN 202032788U
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CN
China
Prior art keywords
heat exchanger
valve
cross valve
hot water
compressor
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Expired - Fee Related
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CN2011200965571U
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Chinese (zh)
Inventor
孔波
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TCL Air Conditioner Zhongshan Co Ltd
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TCL Air Conditioner Zhongshan Co Ltd
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Priority to CN2011200965571U priority Critical patent/CN202032788U/en
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Publication of CN202032788U publication Critical patent/CN202032788U/en
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Abstract

The utility model discloses an air conditioner hot water machine which comprises a refrigeration system consisting of a compressor, an outdoor heat exchanger, an electronic expansion valve, an indoor heat exchanger, a first four-way valve and a liquid storage barrel, wherein the first four-way valve is in series connection with the outdoor heat exchanger, the electronic expansion valve and the indoor heat exchanger, so as to form a main loop; and the air conditioner hot water machine also comprises a second four-way valve and a third heat exchanger, the second four-way valve is connected with the compressor, the first four-way valve and the third heat exchanger respectively, so that high pressure refrigerant discharged from the compressor can choose to pass through the third heat exchanger and then enters the main loop, or directly enters the main loop without passing through the third heat exchanger. In the utility model, two four-way valves are adopted for switching the flow direction of the refrigerant, the flow direction of the refrigerant can be switched in various modes (refrigerating, heating, making domestic hot water, refrigerating and domestic hot water, refrigerating and domestic cold water), and the system is simple and reliable and easy to control.

Description

The air-conditioner hot water machine
Technical field
The utility model patent relates to air-conditioning technical field, relates to a kind of air-conditioner hot water machine specifically.
Background technology
The air-conditioner condensation heat is air-conditioning system refrigerating capacity and refrigeration machine input power sum.Generally, air conditioner condensation heat is to enter atmosphere by cooling system, and huge condensation heat like this directly is discharged to the thermal pollution that has directly aggravated outside atmosphere in the outdoor atmosphere, has aggravated " tropical island effect " in city.According to measuring and calculating, a seat surface amasss 20,000 m 2Modern architecture, refrigeration duty is 2400kW, and condensation waste heat discharging is up to 3120kW.Meanwhile, people need use fuel oil, combustion gas, electric heating etc. to reach the requirement of heat supply or health hot water, bring huge operating cost to unit.And a large amount of dischargings of air conditioner condensation heat also cause people's attention, no matter be air-cooled air-conditioning or Water cooled air conditioners, condensation heat all will be discharged in the atmosphere directly or indirectly at present.Condenser heat is continuously discharged in atmosphere, and this further increases city temperature just as " pouring oil on the fire " billowing summer at heat wave, strengthens the tropical island effect in city, has worsened the atmospheric environment in city.The discharging of greenhouse gases and air conditioner condensation heat etc. causes tropical island effect, makes that the temperature degree raises around the building: the rising of ambient air temperature has worsened the service condition of air-conditioning again, makes that air-conditioning COP descends, operational efficiency is low; So, for keeping the human comfort condition, just need the operation of air conditioner of longer time, bigger load, thereby consumed power more causes vicious circle.If the condensation heat of air-conditioner can be recycled, reduce the used heat that in atmosphere, discharges, reduce the thermal pollution of environment, and be a kind of effective conservation measures.
In recent years, China's heat pump water-heating machine market development was very swift and violent, utilized air-conditioning heating domestic hot-water's heat pump water-heating machine operational efficiency to be higher than traditional hot water machine far away.But the never too big growth of multi-functional air conditioner hot water machine of band recuperation of heat, the 5-10%. that only accounts for heat pump water-heating machine market traces it to its cause, although many producers all at the multi-functional air conditioner hot water machine of Development and Production band recuperation of heat, but there are the following problems:
1, the temperature range of operation of multi-functional air conditioner hot water machine is very wide, and load variations is very big, and the reliability of operation under various operational modes is not fine always.
2, the operational mode of multi-functional air conditioner hot water machine is a lot, generally comprise refrigeration, heat, make the domestic hot-water, refrigeration+domestic hot-water's isotype, how to make rational control strategy and seem very important, and present multi-functional air conditioner hot water machine exactly not very perfect and reasonable aspect control strategy.
3, the multi-functional air conditioner hot water machine can only heat or make the domestic hot-water separately, and heating and make two kinds of patterns of domestic hot-water can not carry out simultaneously.
The utility model content
The utility model purpose is to provide a kind of multifunction air conditioner hot water machine, make hot water machine have refrigeration, heat, make the domestic hot-water, refrigeration heats water simultaneously, heats multiple mode of operations such as heating water simultaneously, makes product all can regulate room temperature throughout the year and preparation hot water uses for daily life.
The technical scheme that the utility model adopted is: the air-conditioner hot water machine, comprise by compressor, outdoor heat exchanger, electric expansion valve, indoor heat exchanger, first cross valve, the refrigeration system that surge drum connects and composes, described first cross valve and outdoor heat exchanger, electric expansion valve, indoor heat exchanger is serially connected in major loop, also comprise second cross valve and the 3rd heat exchanger, described second cross valve respectively with compressor, first cross valve, the 3rd heat exchanger connects, make and to select to enter major loop again, or directly enter in the major loop without the 3rd heat exchanger through the 3rd heat exchanger from the high-pressure refrigerant of compressor discharge.
Above-mentioned air-conditioner hot water machine, the 3rd valve port that the second valve port junction chamber external heat exchanger of described first cross valve, the 4th valve port of first cross valve connect indoor heat exchanger, first cross valve connects surge drum, bypass connects first valve port of described second cross valve and the entrance side of surge drum, the 3rd heat exchanger is connected between first valve port of second valve port of second cross valve and first cross valve, the 4th valve port of second cross valve is connected with first valve port of first cross valve, and the 3rd valve port of second cross valve connects the exhaust outlet of compressor.
Above-mentioned air-conditioner hot water machine, described bypass is provided with capillary.
Above-mentioned air-conditioner hot water machine, described outdoor heat exchanger is provided with outdoor fan, and described indoor heat exchanger is provided with indoor fan.
The beneficial effects of the utility model are:
1. the utility model adopts two cross valves to switch the refrigerant flow direction, realizes the switching that various modes (freeze, heat, make domestic hot-water, refrigeration+domestic hot-water, heat+domestic hot-water) refrigerant flows to cleverly, and system is simple and reliable, and control easily.
2. this multifunction air conditioner hot water machine is cold and when producing the domestic hot-water simultaneously in interior mechanism, outdoor heat exchanger, indoor heat exchanger and the 3rd heat exchanger are to be connected in the refrigerating circuit, when system loading very big (water tank temperature is when set water temperature or environment temperature are very high), can be by regulating outer blower fan output to reduce system's operating pressure and power consumption, assurance system reliability service is saved operating cost.
3. this multifunction air conditioner hot water machine passes through two cross valves controls, can be to be connected in the refrigerating circuit with first heat exchanger, second heat exchanger and the 3rd heat exchanger, produces the domestic hot-water when mechanism is hot in can realizing.
4. this multifunction air conditioner hot water machine adopts electric expansion valve accuracy-control system cold medium flux, and Energy Efficiency Ratio is higher, and system is more reliable.
Description of drawings
Fig. 1 is the refrigerant system configurations schematic diagram of air-conditioner hot water machine of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, air-conditioner hot water machine of the present utility model adopts two cross valves (first cross valve 3, second cross valve 2) to switch refrigerant and flows to, and, can realize multiple refrigeration, heat, make domestic hot-water, refrigeration+domestic hot-water, heat+functions such as domestic hot-water in conjunction with outdoor fan 11 and indoor fan 12 opening under different working modes, stop scheme.The preparation domestic hot-water is realized that by the 3rd heat exchanger 4 the 3rd heat exchanger 4 is located in the water tank, and inlet tube and outlet are arranged respectively on the water tank, and the water source enters after the heating of the 3rd heat exchanger from inlet tube and leaves water tank from outlet.When need are produced the domestic hot-water, outdoor heat exchanger 6 in the off-premises station, the indoor heat exchanger 8 in the indoor set and the 3rd heat exchanger 4 in the water tank are to be connected in the refrigerating circuit, the high-temperature high-pressure refrigerant that compressor is discharged is introduced into the cooling of the 3rd heat exchanger, makes the water in the water tank obtain heating.When system loading very big (water tank temperature is when set water temperature or environment temperature are very high), output that can be by regulating outdoor fan 11 is to reduce system's operating pressure and power consumption.Restricting element adopts electric expansion valve 7 accuracy-control system cold medium fluxes.First valve port 21 of second cross valve 2 is connected bypass 10 with the entrance side of surge drum 9, and bypass 10 is provided with capillary, and capillary only is used for cross valve course of work equalizing pressure, does not participate in the circulation cycle of refrigerant.The refrigerant outlet place of the 3rd heat exchanger 4 in water tank is provided with check valve 5.
The 3rd valve port 33 that the 4th valve port 34 of second valve port, the 32 junction chamber external heat exchangers 6 of first cross valve 3, first cross valve 3 connects indoor heat exchanger 8, first cross valve 3 connects surge drum 9, bypass 10 connects first valve port 21 of second cross valve 2 and the entrance side of surge drum 9, the 3rd heat exchanger 4 is connected 31 of first valve ports of second valve port 22 of second cross valve 2 and first cross valve 3, the 4th valve port 24 of second cross valve 2 is connected with first valve port 31 of first cross valve 3, and the 3rd valve port 23 of second cross valve 2 connects the exhaust outlet of compressor 1.
When refrigeration mode, outdoor fan 11, indoor fan 12 all turn round; Second cross valve 2, first cross valve 3 all cut off the power supply, and refrigerant flow direction is: the indoor heat exchanger 8-first cross valve 3-surge drum 9-compressor 1 return-air in the outdoor heat exchanger 6-electric expansion valve 7-indoor set in the compressor 1 exhaust-second cross valve 2-first cross valve 3-off-premises station.
During heating mode, outdoor fan 11, indoor fan 12 all turn round; 2 outages of second cross valve, first cross valve 3 power on, and refrigerant flow direction is: the outdoor heat exchanger 6-first cross valve 3-surge drum 9-compressor 1 return-air in the indoor heat exchanger 8-electric expansion valve 7-off-premises station in the compressor 1 exhaust-second cross valve 2-first cross valve 3-indoor set.
During system domestic hot-water pattern, outdoor fan 11 runnings, indoor fan 12 do not turn round; Second cross valve 2 powers on, first cross valve 3 powers on, and refrigerant flow direction is: the outdoor heat exchanger 6-first cross valve 3-surge drum 9-compressor 1 return-air in the indoor heat exchanger 8-electric expansion valve 7-off-premises station in the 3rd heat exchanger 4-check valve 5-first cross valve 3-indoor set in the compressor 1 exhaust-second cross valve 2-water supply tank.
During refrigeration+domestic hot-water's pattern, outdoor fan 11 does not turn round, indoor fan 12 runnings; Second cross valve 2 powers on, 3 outages of first cross valve, and refrigerant flow direction is: the indoor heat exchanger 8-first cross valve 3-surge drum 9-compressor 1 return-air in the outdoor heat exchanger 6-electric expansion valve 7-indoor set in the 3rd heat exchanger 4-check valve 5-first cross valve 3-off-premises station in the compressor 1 exhaust-second cross valve 2-water supply tank.When domestic hot-water's temperature reaches design temperature in the water tank, transfer refrigeration mode (outdoor fan 11 runnings, 2 outages of second cross valve) automatically to; When domestic hot-water's temperature drops to design temperature, proceed refrigeration+domestic hot-water's mode of operation (outdoor fan 11 does not turn round, second cross valve 2 powers on).
Heat+during domestic hot-water's pattern, outdoor fan 11 runnings, indoor fan 12 runnings; Second cross valve 2 powers on, first cross valve 3 powers on, and refrigerant flow direction is: the outdoor heat exchanger 6-first cross valve 3-surge drum 9-compressor 1 return-air in the indoor heat exchanger 8-electric expansion valve 7-off-premises station in the 3rd heat exchanger 4-check valve 5-first cross valve 3-indoor set in the compressor 1 exhaust-second cross valve 2-water supply tank.When domestic hot-water's temperature reaches design temperature in the water tank, transfer heating mode (2 outages of second cross valve) automatically to; When domestic hot-water's temperature drops to design temperature, proceed to heat+domestic hot-water's mode of operation (second cross valve 2 powers on).

Claims (4)

1. air-conditioner hot water machine, comprise by compressor (1), outdoor heat exchanger (6), electric expansion valve (7), indoor heat exchanger (8), first cross valve (3), the refrigeration system that surge drum (9) connects and composes, described first cross valve and outdoor heat exchanger (6), electric expansion valve (7), indoor heat exchanger (8) is serially connected in major loop, it is characterized in that: also comprise second cross valve (2) and the 3rd heat exchanger (4), described second cross valve (2) respectively with compressor (1), first cross valve (3), the 3rd heat exchanger (4) connects, make and to select to enter major loop again, or directly enter in the major loop without the 3rd heat exchanger through the 3rd heat exchanger from the high-pressure refrigerant of compressor discharge.
2. air-conditioner hot water machine according to claim 1, it is characterized in that: second valve port (32) the junction chamber external heat exchanger (6) of described first cross valve, the 4th valve port (34) of first cross valve connects indoor heat exchanger (8), the 3rd valve port (33) of first cross valve connects surge drum (9), bypass (10) connects first valve port (21) of described second cross valve and the entrance side of surge drum (9), the 3rd heat exchanger (4) is connected between first valve port (31) of second valve port (22) of second cross valve and first cross valve, the 4th valve port (24) of second cross valve is connected with first valve port (31) of first cross valve, and the 3rd valve port (23) of second cross valve connects the exhaust outlet of compressor.
3. air-conditioner hot water machine according to claim 2 is characterized in that: described bypass (10) is provided with capillary.
4. air-conditioner hot water machine according to claim 3 is characterized in that: described outdoor heat exchanger (6) is provided with outdoor fan (11), and described indoor heat exchanger (8) is provided with indoor fan (12).
CN2011200965571U 2011-04-05 2011-04-05 Air conditioner hot water machine Expired - Fee Related CN202032788U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200965571U CN202032788U (en) 2011-04-05 2011-04-05 Air conditioner hot water machine

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Application Number Priority Date Filing Date Title
CN2011200965571U CN202032788U (en) 2011-04-05 2011-04-05 Air conditioner hot water machine

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102809236A (en) * 2012-09-11 2012-12-05 王德元 Integrated central air conditioner with medium-pressure active freezing protection and oil balance device
CN103940009A (en) * 2013-01-17 2014-07-23 上海交通大学 Air source heat pump air-conditioning system capable of providing domestic hot water
CN104729163A (en) * 2013-12-24 2015-06-24 珠海格力电器股份有限公司 Air conditioning system and defrosting control method thereof
CN105299953A (en) * 2015-10-21 2016-02-03 珠海英伟特电子科技股份有限公司 Multifunctional variable frequency air source heat pump with energy distribution function
CN109442633A (en) * 2018-10-31 2019-03-08 青岛海信日立空调系统有限公司 Air conditioner circulating system and its control method
CN112050287A (en) * 2020-09-17 2020-12-08 广东积微科技有限公司 Multi-split system capable of producing hot water during refrigeration
CN113701399A (en) * 2021-10-11 2021-11-26 杨晓 Heat pump cold and hot water integrated unit and operation method thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102809236A (en) * 2012-09-11 2012-12-05 王德元 Integrated central air conditioner with medium-pressure active freezing protection and oil balance device
CN102809236B (en) * 2012-09-11 2014-11-26 王德元 Integrated central air conditioner with medium-pressure active freezing protection and oil balance device
CN103940009A (en) * 2013-01-17 2014-07-23 上海交通大学 Air source heat pump air-conditioning system capable of providing domestic hot water
CN103940009B (en) * 2013-01-17 2017-02-08 上海交通大学 Air source heat pump air-conditioning system capable of providing domestic hot water
CN104729163A (en) * 2013-12-24 2015-06-24 珠海格力电器股份有限公司 Air conditioning system and defrosting control method thereof
CN104729163B (en) * 2013-12-24 2017-06-06 珠海格力电器股份有限公司 Air-conditioning system and its defrosting control method
CN105299953A (en) * 2015-10-21 2016-02-03 珠海英伟特电子科技股份有限公司 Multifunctional variable frequency air source heat pump with energy distribution function
CN109442633A (en) * 2018-10-31 2019-03-08 青岛海信日立空调系统有限公司 Air conditioner circulating system and its control method
WO2020088425A1 (en) * 2018-10-31 2020-05-07 青岛海信日立空调系统有限公司 Air conditioner and control method thereof
CN112050287A (en) * 2020-09-17 2020-12-08 广东积微科技有限公司 Multi-split system capable of producing hot water during refrigeration
CN113701399A (en) * 2021-10-11 2021-11-26 杨晓 Heat pump cold and hot water integrated unit and operation method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111109

Termination date: 20170405

CF01 Termination of patent right due to non-payment of annual fee