CN204535084U - Low-temperature heat pump water heater - Google Patents

Low-temperature heat pump water heater Download PDF

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Publication number
CN204535084U
CN204535084U CN201520051812.9U CN201520051812U CN204535084U CN 204535084 U CN204535084 U CN 204535084U CN 201520051812 U CN201520051812 U CN 201520051812U CN 204535084 U CN204535084 U CN 204535084U
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China
Prior art keywords
valve
filter
compressor
side heat
heat exchanger
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Active
Application number
CN201520051812.9U
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Chinese (zh)
Inventor
闾灿荣
张志斌
张同振
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Shenzhen Mcquay Air Conditioning Co Ltd
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Shenzhen Mcquay Air Conditioning Co Ltd
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Priority to CN201520051812.9U priority Critical patent/CN204535084U/en
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Abstract

The utility model discloses a kind of low-temperature heat pump water heater, the technical problem that solve makes Hot water units can continue to run water heating at environment temperature-20 DEG C, improves the efficiency of Hot water units.Compressor of the present utility model is connected with cross valve through high-voltage switch gear, exhaust service valve, and cross valve end is connected with the tracheae of air side heat exchanger, gas-liquid separator and water-side heat respectively, and gas-liquid separator is connected with compressor; Water-side heat is connected with fluid reservoir, fluid reservoir is connected with the first filter, and the first filter is connected with the second filter through main road electric expansion valve respectively, be connected with the second filter through unloader, capillary, the first check valve, be connected with compressor through the second check valve, magnetic valve, bypass electric expansion valve; Second filter is connected with the liquid pipe of air side heat exchanger.Compared with prior art, improve effective utilization of the energy, make the Energy Efficiency Ratio of Hot water units reach more than 2.0.

Description

Low-temperature heat pump water heater
Technical field
The utility model relates to a kind of low-temperature heat pump water heater, especially a kind of heat pump water-heating machine that can run water heating environment temperature-20 DEG C.
Background technology
Along with nearly stage haze weather frequently appears, people to high energy consumption, strong to pollute, required by the heating equipment of aggravation haze weather and fuel also starts to have.Air source heat pump uses 1 part of electric energy can obtain more than 2 parts free air energy outdoor in air simultaneously, the heat energy of more than 3 parts can be produced, compared with coal burning and gas burning, low-carbon environment-friendly more, meanwhile, the application promoting air friction drag is also a kind of measure effectively preventing haze.Existing air-source heat pump hot water has has very wide application prospect.But current existing heat pump water-heating machine often exists some defects, some hot water machine, under low temperature (environment temperature less than-10 DEG C) operating mode, can not be opened, and some energy are opened, but efficiency only has about 1.3.Greatly reduce effective utilization of the energy.
Summary of the invention
The purpose of this utility model is to provide a kind of low-temperature heat pump water heater, and the technical problem that solve makes Hot water units can continue to run water heating at environment temperature-20 DEG C, improves the efficiency of Hot water units.
For solving the problem, the utility model realizes by the following technical solutions: a kind of low-temperature heat pump water heater, comprise compressor, the exhaust outlet of described compressor is connected with one end of cross valve through high-voltage switch gear, exhaust service valve, other three end of cross valve is connected with the import of the tracheae of air side heat exchanger, the import of gas-liquid separator and water-side heat respectively, and the outlet of gas-liquid separator is connected with the air entry of compressor; Between the outlet and the air entry of compressor of gas-liquid separator, be provided with low pressure sensor, between cross valve and the import of gas-liquid separator, be provided with air-breathing service valve; The outlet of water-side heat is connected with the import of fluid reservoir, the outlet of fluid reservoir is connected with the import of the first filter, and the outlet of the first filter is connected with the import of the second filter through main road electric expansion valve respectively, be connected with the import of the second filter through unloader, capillary, the first check valve, be connected with the mouth spray of compressor through the second check valve, magnetic valve, bypass electric expansion valve; The outlet of the second filter is connected with the liquid pipe of air side heat exchanger.
Water-side heat described in the utility model is plate type heat exchanger, double pipe heat exchanger, barrel type heat exchanger or shell and tube exchanger.
Air side heat exchanger described in the utility model is finned heat exchanger.
Compressor described in the utility model is liquid injection compressor.
The utility model compared with prior art, adopt compressor, high-voltage switch gear, exhaust service valve, cross valve, water-side heat, fluid reservoir, first filter, main road electric expansion valve, second filter, air side heat exchanger, air-breathing service valve, gas-liquid separator, low pressure sensor, unloader, capillary, first check valve, second check valve, magnetic valve, the main road of the device compositions such as bypass electric expansion valve, bypass one tunnel and bypass two tunnel, the Hot water units made can run water heating at environment temperature-20 DEG C, improve effective utilization of the energy, the Energy Efficiency Ratio of Hot water units is made to reach more than 2.0, avoid the waste of the energy.
Accompanying drawing explanation
Fig. 1 is syndeton schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the utility model low-temperature heat pump water heater comprises compressor 1, the exhaust outlet of compressor 1 is connected with one end (D holds) of cross valve 4 through high-voltage switch gear 2, exhaust service valve 3, the tracheae of one end (E end) air side heat exchanger 10 of cross valve 4, the import of one end (S end) gas-liquid separator 12, one end (C end) are connected with the import of water-side heat 5, and the outlet of gas-liquid separator 12 is connected with the air entry of compressor 1; Between the outlet and the air entry of compressor 1 of gas-liquid separator 12, be provided with low pressure sensor 13, between one end (S end) of cross valve 4 and the import of gas-liquid separator 12, be provided with air-breathing service valve 11; The outlet of water-side heat 5 is connected with the import of fluid reservoir 6, the outlet of fluid reservoir 6 is connected with the import of the first filter 7, outlet Fen Wei tri-tunnel of the first filter 7, one tunnel is connected to form main road through the import of main road electric expansion valve 8 and the second filter 9, second tunnel is connected to form bypass one tunnel through the import of unloader 14, capillary 15, first check valve 16 and the second filter 9, and the 3rd tunnel second check valve 17, magnetic valve 18, bypass electric expansion valve 19 are connected to form bypass two tunnel with the mouth spray of compressor 1; The outlet of the second filter 9 is connected with the liquid pipe of air side heat exchanger 10.
Preferably, water-side heat 5 of the present utility model is plate type heat exchanger, double pipe heat exchanger, barrel type heat exchanger or shell and tube exchanger; Air side heat exchanger 10 is finned heat exchanger; Compressor 1 is liquid injection compressor.
Under each pattern of the utility model, the concrete flow direction of cold-producing medium is:
Under water heating pattern, the flow direction of cold-producing medium is:
Compressor 1 is vented and enters water heating in water-side heat 5 through cross valve 4, and condensation also becomes liquid and to enter in fluid reservoir 6 point main road and bypass one, two tunnel after the first filter 7 again after heat release
Main road: liquid through the throttling of main road electric expansion valve 8, second filter 9 laggard enter sweat cooling in air side heat exchanger 10, after flashing to gas, after cross valve 4, gas-liquid separator 12 are separated, gas is got back in compressor 1;
Bypass one tunnel: liquid through unloader 14, capillary 15, first check valve, 16, the second filter 9 enters sweat cooling in air side heat exchanger, after flashing to gas, after cross valve 4, gas-liquid separator 12 are separated, gas is got back in compressor 1;
Bypass two tunnel: liquid is got back in compressor 1 through the second check valve 17, magnetic valve 18, bypass electric expansion valve 19.
Water heating defrosting mode:
The high temperature and high pressure gas that compressor 1 is discharged enters sweat cooling in air side heat exchanger 10 through cross valve 4, fluid reservoir 6 is entered through the second filter 9, main road electric expansion valve 8, first filter 7 after flashing to gas, enter water-side heat water heating again, condensation is also got back in compressor 1 after being separated through cross valve 4, gas-liquid separator 12 after heat release.
The utility model can run the Hot water units of water heating environment temperature-20 DEG C, and Energy Efficiency Ratio can reach more than 2.0, substantially increases effective utilization of the energy.

Claims (4)

1. a low-temperature heat pump water heater, comprise compressor (1), it is characterized in that: the exhaust outlet of described compressor (1) is connected with one end of cross valve (4) through high-voltage switch gear (2), exhaust service valve (3), other three end of cross valve (4) is connected with the import of the tracheae of air side heat exchanger (10), the import of gas-liquid separator (12) and water-side heat (5) respectively, and the outlet of gas-liquid separator (12) is connected with the air entry of compressor (1), between the outlet and the air entry of compressor (1) of gas-liquid separator (12), be provided with low pressure sensor (13), between the import of cross valve (4) and gas-liquid separator (12), be provided with air-breathing service valve (11), the outlet of water-side heat (5) is connected with the import of fluid reservoir (6), the outlet of fluid reservoir (6) is connected with the import of the first filter (7), the outlet of the first filter (7) is connected through the import of main road electric expansion valve (8) with the second filter (9) respectively, through unloader (14), capillary (15), first check valve (16) is connected with the import of the second filter (9), through the second check valve (17), magnetic valve (18), bypass electric expansion valve (19) is connected with the mouth spray of compressor (1), the outlet of the second filter (9) is connected with the liquid pipe of air side heat exchanger (10).
2. low-temperature heat pump water heater according to claim 1, is characterized in that: described water-side heat (5) is plate type heat exchanger, double pipe heat exchanger, barrel type heat exchanger or shell and tube exchanger.
3. low-temperature heat pump water heater according to claim 1, is characterized in that: described air side heat exchanger (10) is finned heat exchanger.
4. low-temperature heat pump water heater according to claim 1, is characterized in that: described compressor (1) is liquid injection compressor.
CN201520051812.9U 2015-01-26 2015-01-26 Low-temperature heat pump water heater Active CN204535084U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520051812.9U CN204535084U (en) 2015-01-26 2015-01-26 Low-temperature heat pump water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520051812.9U CN204535084U (en) 2015-01-26 2015-01-26 Low-temperature heat pump water heater

Publications (1)

Publication Number Publication Date
CN204535084U true CN204535084U (en) 2015-08-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520051812.9U Active CN204535084U (en) 2015-01-26 2015-01-26 Low-temperature heat pump water heater

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CN (1) CN204535084U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106524503A (en) * 2016-12-27 2017-03-22 黎德明 Heat pump water heater
CN107328127A (en) * 2017-08-08 2017-11-07 广东欧科空调制冷有限公司 Water source heat pump units with condensing units

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106524503A (en) * 2016-12-27 2017-03-22 黎德明 Heat pump water heater
CN106524503B (en) * 2016-12-27 2022-01-11 黎德明 Heat pump water heater
CN107328127A (en) * 2017-08-08 2017-11-07 广东欧科空调制冷有限公司 Water source heat pump units with condensing units

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