CN201903165U - Household ultralow-temperature heat pump hot water unit - Google Patents
Household ultralow-temperature heat pump hot water unit Download PDFInfo
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- CN201903165U CN201903165U CN2010206854351U CN201020685435U CN201903165U CN 201903165 U CN201903165 U CN 201903165U CN 2010206854351 U CN2010206854351 U CN 2010206854351U CN 201020685435 U CN201020685435 U CN 201020685435U CN 201903165 U CN201903165 U CN 201903165U
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Abstract
The utility model discloses a household ultralow-temperature heat pump hot water unit, which includes an air source heat pump device using a low-temperature refrigerant and a water source heat pump device using a high-temperature refrigerant; a first compressor outlet of the air source heat pump device, a first interface of a four-way reversing valve, a second interface of the four-way reversing valve, one heat exchange device of a condensation evaporator, an electric heater, a first throttling device, a third interface of the four-way reversing valve, a fourth interface of the four-way reversing valve, and a first compressor inlet are sequentially connected to form a loop through pipelines; and a second compressor outlet of the water source heat pump device, a condenser, a second throttling device, the other heat exchange device of the condensation evaporator, and a second compressor inlet are sequentially connected to form a loop through pipelines. Even when the atmospheric temperature is lower and the humidity is higher, the household ultralow-temperature heat pump hot water unit can enable the output water temperature of user's circulating water to be sufficiently high; and the household ultralow-temperature heat pump hot water unit can be defrosted without being equipped with a defrosting device.
Description
Technical field
The utility model relates to a kind of heat-pump hot-water unit, relates to a kind of family expenses super low temperature heat pump hot water unit or rather.
Background technology
Ultralow temperature in the family expenses super low temperature heat pump hot water unit is meant generally that in industry the environment temperature of hot water unit use is lower, and environment temperature is greatly about-15 ℃～-20 ℃.The domestic heat pump water heater group is mainly used in refrigeration, heating and domestic hot-water etc. is provided.Present employed heat-pump hot-water unit is comparatively extensive with the use of air-source heat pump hot water group.The air-source heat pump hot water group of prior art mainly comprises compressor, condenser, throttling arrangement and evaporimeter, and described compressor, condenser, throttling arrangement and evaporimeter connect and compose the loop through pipeline successively.Wherein parts such as compressor, evaporimeter and throttling arrangement generally are installed in outdoor, heat by evaporimeter absorption chamber outer air, there is following defective in this kind prior art: because evaporimeter is placed on the outdoor heat that is used for the absorption chamber outer air, when lower and humidity is higher when atmospheric temperature, can because the cold-producing medium in the unit to absorb heat to outdoor air less and make user's recirculated water leaving water temperature lower, make the user can not get the hot water of sufficient temp; In addition, evaporimeter is placed on the outdoor heat that is used for the absorption chamber outer air and also makes evaporimeter frosting serious and cause unit to turn round easily.In order to solve the defrosting problem, on some air-source heat pump hot water group, defroster can be installed, this can cause the set structure complexity, also can influence the operating efficiency of unit simultaneously.
The utility model content
The technical problems to be solved in the utility model is, provide a kind of and also can make user's recirculated water leaving water temperature enough high when lower and humidity is higher in atmospheric temperature, and need not to install defroster also can be to its family expenses super low temperature heat pump hot water unit that defrosts.
Technical solution of the present utility model is, a kind of family expenses super low temperature heat pump hot water unit with following structure is provided, and it is characterized in that: it comprises heat pump apparatus of air source that uses low-temperature refrigerant and the headwaters heat pump that uses high temperature refrigerant;
Described heat pump apparatus of air source comprises a heat-exchanger rig, electric heater, first throttle device in first compressor, four-way change-over valve, the condenser/evaporator and the heat exchanger that can carry out heat exchange with outdoor air; The 3rd interface of a heat-exchanger rig in first interface of described first compressor outlet, four-way change-over valve, second interface of four-way change-over valve, the condenser/evaporator, electric heater, first throttle device, heat exchanger, four-way change-over valve, the 4th interface of four-way change-over valve, first suction port of compressor connect and compose the loop through pipeline successively;
Described headwaters heat pump comprises another heat-exchanger rig in second compressor, the condenser/evaporator, the condenser and second throttling arrangement that can carry out heat exchange with user's recirculated water; Another heat exchanger, second suction port of compressor in described second compressor outlet, condenser, second throttling arrangement, the condenser/evaporator connect and compose the loop through pipeline successively.
After adopting above structure, the utility model family expenses super low temperature heat pump hot water unit compared with prior art has the following advantages:
Because family expenses super low temperature heat pump hot water unit of the present utility model comprises heat pump apparatus of air source that uses low-temperature refrigerant and the headwaters heat pump that uses high-order cold-producing medium, during the work of this unit, in heat pump apparatus of air source, first compressor is discharged the gaseous state low-temperature refrigerant of the HTHP that forms after its compression, this gaseous state low-temperature refrigerant enters from first interface of four-way change-over valve, then discharge from second interface of four-way change-over valve, enter then that a heat-exchanger rig in the condenser/evaporator carries out condensation and with the gaseous state low-temperature refrigerant liquefy low-temperature refrigerant of HTHP, liquid low-temperature refrigerant forms the gaseous state mixing low temp cold-producing medium of low-temp low-pressure again through the first throttle device, this cold-producing medium forms the gaseous state low-temperature refrigerant after entering the heat of heat exchanger absorption chamber outer air, and then the 3rd interface and the 4th interface of process four-way change-over valve, get back to first compressor through first suction port of compressor at last and form circulation; And meanwhile, also carrying out identical circulation in the headwaters heat pump, high temperature refrigerant is discharged from second compressor outlet, through another heat-exchanger rig and second suction port of compressor in condenser, second throttling arrangement, the condenser/evaporator, finally get back in the compressor again, high temperature refrigerant is emitted heat liquefy cold-producing medium by gaseous refrigerant in condenser the time, and liberated heat can heat user's recirculated water, makes the user can obtain hot water; Become the gaseous state high temperature refrigerant behind the liberated heat when absorbing in the heat-exchanger rig of low-temperature refrigerant in condenser/evaporator of heat pump apparatus of air source condensation by gas-liquid mixed refrigerant in the time of in high temperature refrigerant another heat-exchanger rig in condenser/evaporator; The structure of this kind superposition type can make the cold-producing medium liberated heat rise progressively step by step, therefore, can make user's recirculated water leaving water temperature enough high, and the hot water of high enough temp can be provided to the user.In addition, when unit working time length, when the heat exchanger frosting is serious, make the interior low-temperature refrigerant changing flow direction of heat pump apparatus of air source as long as switch four-way change-over valve, low-temperature refrigerant can be by the gaseous state liquefy in heat exchanger like this, can emit a large amount of heats this moment, thereby improve the temperature of the first heat exchanger surrounding air, frost is slowly eliminated, make unit need not to install defroster and also can defrost it.Family expenses super low temperature heat pump hot water unit of the present utility model is when defrosting, electric heater just begins heating, enter the gaseous refrigerant that low-temperature refrigerant in the heat-exchanger rig in the condenser/evaporator remains high temperature, therefore this gaseous refrigerant evaporator condensation that still is condensed becomes liquid low-temperature refrigerant and emits a large amount of heats, this moment, liberated heat can be used for the high temperature refrigerant in the evaporation water source heat pump device, make unit when defrosting, headwaters heat pump is normally operation still, and user's recirculated water hot water that still does as usual out uses for the user.
Description of drawings
Accompanying drawing is the structural representation of the utility model family expenses super low temperature heat pump hot water unit.
Shown in the figure: 1, heat pump apparatus of air source, 1.1, first compressor, 1.2, four-way change-over valve, first interface of a, four-way change-over valve, second interface of b, four-way change-over valve, the 3rd interface of c, four-way change-over valve, the 4th interface of d, four-way change-over valve, 1.3, electric heater, 1.4, the first throttle device, 1.5, heat exchanger, 2, headwaters heat pump, 2.1, second compressor, 2.2, condenser, 2.3, second throttling arrangement, 3, condenser/evaporator.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please join shown in the accompanying drawing, the utility model family expenses super low temperature heat pump hot water unit comprises heat pump apparatus of air source 1 that uses low-temperature refrigerant and the headwaters heat pump 2 that uses high temperature refrigerant, described low-temperature refrigerant is that evaporating temperature is-10～-20 ℃ chlorodifluoromethane or R407C, and described high temperature refrigerant is that evaporating temperature is 15～40 ℃ cold-producing medium ZHR-01 or R134a.
Described heat pump apparatus of air source 1 comprises a heat-exchanger rig, electric heater 1.3, the first throttle device 1.4 of first compressor 1.1, four-way change-over valve 1.2, condenser/evaporator 3 and the heat exchanger 1.5 that can carry out heat exchange with outdoor air; The 3rd interface c of a heat-exchanger rig of the first interface a of 1.1 outlets of described first compressor, four-way change-over valve, the second interface b of four-way change-over valve, condenser/evaporator 3, electric heater 1.3, first throttle device 1.4, heat exchanger 1.5, four-way change-over valve, the 4th interface d of four-way change-over valve, first compressor, 1.1 inlets connect and compose the loop through pipeline successively.In this specific embodiment, described heat exchanger 1.5 is a finned heat exchanger, two heat-exchanger rigs are arranged in the described condenser/evaporator 3, if one of them heat-exchanger rig to the cold-producing medium in it carry out condensation, another heat-exchanger rig evaporates the cold-producing medium in it, carrying out the heat that condensed refrigerant sends so can absorb for the cold-producing medium that evaporates.
Described headwaters heat pump 2 comprises another heat-exchanger rig of second compressor 2.1, condenser/evaporator 3, the condenser 2.2 and second throttling arrangement 2.3 that can carry out heat exchange with user's recirculated water; Another heat exchanger of 2.1 outlets of described second compressor, condenser 2.2, second throttling arrangement 2.3, condenser/evaporator 3, second compressor, 2.1 inlets connect and compose the loop through pipeline successively.
The operation principle of the utility model family expenses super low temperature heat pump hot water unit is: in heat pump apparatus of air source, first compressor 1.1 is discharged the gaseous state low-temperature refrigerant of the HTHP that forms after its compression, this gaseous state low-temperature refrigerant enters from the first interface a of four-way change-over valve, then the second interface b from four-way change-over valve discharges, a heat-exchanger rig that enters condenser/evaporator 3 then carries out condensation and with the gaseous state low-temperature refrigerant liquefy low-temperature refrigerant of HTHP, emit a large amount of heats simultaneously, this moment, liberated heat approximately was 20 ℃, liquid low-temperature refrigerant forms the gaseous state mixing low temp cold-producing medium of low-temp low-pressure again through first throttle device 1.4, this cold-producing medium forms the gaseous state low-temperature refrigerant after entering the heat of heat exchanger 1.5 absorption chamber outer air, and then the 3rd interface c and the 4th interface d of process four-way change-over valve, get back to first compressor 1.1 through first compressor, 1.1 inlets at last and form circulation.Meanwhile, also carrying out identical circulation in the headwaters heat pump 2, promptly second compressor 2.1 is discharged the gaseous state high temperature refrigerant of the HTHP that forms after its compression, this gaseous state high temperature refrigerant enters condenser 2.2 afterwards by the gaseous state liquefy, sending a large amount of heats simultaneously heats for user's recirculated water, make the user can obtain hot water, the hot water that this moment, the user obtained probably is 45 ℃, liquid high temperature refrigerant is at the gas-liquid mixed high temperature refrigerant that forms low-temp low-pressure through second throttling arrangement 2.3, the low-temperature refrigerant that another heat-exchanger rig that this cold-producing medium enters condenser/evaporator 3 absorbs heat pump apparatus of air source 1 forms the gaseous state high temperature refrigerant behind the liberated heat during condensation in a heat-exchanger rig of condenser/evaporator 3, get back to second compressor 2.1 through second compressor, 2.1 inlets at last and form circulation.
During the defrosting of the utility model family expenses super low temperature heat pump hot water unit, as long as switching four-way change-over valve 1.2 makes the low-temperature refrigerant changing flow direction in the heat pump apparatus of air source 1, promptly in heat pump apparatus of air source 1, low-temperature refrigerant circulates by the order of the 4th interface d → first compressor, 1.1 inlets → the first compressor 1.1 of second interface b → four-way change-over valve of a heat-exchanger rig → four-way change-over valve of the 3rd interface c → heat exchanger 1.5 → first throttle device 1.4 → electric heater 1.3 heating → condenser/evaporators 3 of first interface a → four-way change-over valve of first compressor, 1.1 → the first compressors, 1.1 outlet → four-way change-over valves, carry out this circulation time, low-temperature refrigerant can be by the gaseous state liquefy in heat exchanger 1.5, can emit a large amount of heats this moment, thereby improve the temperature of heat exchanger 1.5 surrounding airs, frost is slowly eliminated, play the effect of defrosting.Heat-pump hot-water unit of the present utility model is when defrosting, electric heater 1.3 just begins heating, therefore the low-temperature refrigerant that enters a heat-exchanger rig of condenser/evaporator 3 remains the gaseous refrigerant of high temperature, still a be condensed heat-exchanger rig of evaporimeter 3 of this gaseous refrigerant is condensed into liquid low-temperature refrigerant and emits a large amount of heats, this moment, liberated heat still can be used for the high temperature refrigerant in the evaporation water source heat pump device 2, make unit when defrosting, headwaters heat pump is normally operation still, and user's recirculated water hot water that still does as usual out uses for the user.
Claims (2)
1. family expenses super low temperature heat pump hot water unit is characterized in that:
It comprises heat pump apparatus of air source (1) that uses low-temperature refrigerant and the headwaters heat pump (2) that uses high temperature refrigerant;
Described heat pump apparatus of air source (1) comprises a heat-exchanger rig, electric heater (1.3), first throttle device (1.4) in first compressor (1.1), four-way change-over valve (1.2), the condenser/evaporator (3) and the heat exchanger (1.5) that can carry out heat exchange with outdoor air; The 3rd interface (c) of a heat-exchanger rig of first interface (a) of described first compressor (1.1) outlet, four-way change-over valve, second interface (b) of four-way change-over valve, condenser/evaporator (3), electric heater (1.3), first throttle device (1.4), heat exchanger (1.5), four-way change-over valve, the 4th interface (d) of four-way change-over valve, first compressor (1.1) inlet connect and compose the loop through pipeline successively;
Described headwaters heat pump (2) comprises another heat-exchanger rig in second compressor (2.1), the condenser/evaporator (3), the condenser (2.2) and second throttling arrangement (2.3) that can carry out heat exchange with user's recirculated water; Another heat exchanger of described second compressor (2.1) outlet, condenser (2.2), second throttling arrangement (2.3), condenser/evaporator (3), second compressor (2.1) inlet connect and compose the loop through pipeline successively.
2. family expenses super low temperature heat pump hot water unit according to claim 1 is characterized in that: described heat exchanger (1.5) is a finned heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206854351U CN201903165U (en) | 2010-12-17 | 2010-12-17 | Household ultralow-temperature heat pump hot water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206854351U CN201903165U (en) | 2010-12-17 | 2010-12-17 | Household ultralow-temperature heat pump hot water unit |
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| Publication Number | Publication Date |
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| CN201903165U true CN201903165U (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206854351U Expired - Fee Related CN201903165U (en) | 2010-12-17 | 2010-12-17 | Household ultralow-temperature heat pump hot water unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836792A (en) * | 2014-03-24 | 2014-06-04 | 大连工业大学 | Heat pump and hot water heating combination system |
| CN104101126A (en) * | 2014-07-25 | 2014-10-15 | 上海理工大学 | Continuous heat-supplying phase change energy storage overlapped type air source heat pump system and operation method thereof |
| CN104406340A (en) * | 2014-10-28 | 2015-03-11 | 广东芬尼克兹节能设备有限公司 | Overlapping type heat pump compressor control method and system |
| CN106016824A (en) * | 2016-05-26 | 2016-10-12 | 北京四季通能源科技有限公司 | Two-stage heat pump heating-refrigerating system and method thereof |
| CN106288476A (en) * | 2016-09-23 | 2017-01-04 | 苏州热火能源科技有限公司 | A kind of cascade type heat pump of dual temperature-rise |
| CN110608539A (en) * | 2019-11-05 | 2019-12-24 | 烟台欧森纳地源空调股份有限公司 | Cascade high-temperature heat pump system |
-
2010
- 2010-12-17 CN CN2010206854351U patent/CN201903165U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836792A (en) * | 2014-03-24 | 2014-06-04 | 大连工业大学 | Heat pump and hot water heating combination system |
| CN105627624B (en) * | 2014-03-24 | 2018-04-10 | 青海大学 | Heat pump and the independent heating flow of hot water heating combined system |
| CN105627625B (en) * | 2014-03-24 | 2018-04-10 | 青海大学 | Heat pump and the mixing heating flow of hot water heating combined system |
| CN103836792B (en) * | 2014-03-24 | 2016-03-02 | 大连工业大学 | Heat pump and hot water heating combined system |
| CN105627625A (en) * | 2014-03-24 | 2016-06-01 | 张明 | Hybrid heating process of heat pump and hot water heating combined system |
| CN105627624A (en) * | 2014-03-24 | 2016-06-01 | 张明 | Separate heating process of heat pump and hot water heating combined system |
| CN104101126B (en) * | 2014-07-25 | 2017-01-25 | 上海理工大学 | Continuous heat-supplying phase change energy storage overlapped type air source heat pump system and operation method thereof |
| CN104101126A (en) * | 2014-07-25 | 2014-10-15 | 上海理工大学 | Continuous heat-supplying phase change energy storage overlapped type air source heat pump system and operation method thereof |
| CN104406340B (en) * | 2014-10-28 | 2017-01-11 | 广东芬尼克兹节能设备有限公司 | Overlapping type heat pump compressor control method and system |
| CN104406340A (en) * | 2014-10-28 | 2015-03-11 | 广东芬尼克兹节能设备有限公司 | Overlapping type heat pump compressor control method and system |
| CN106016824A (en) * | 2016-05-26 | 2016-10-12 | 北京四季通能源科技有限公司 | Two-stage heat pump heating-refrigerating system and method thereof |
| CN106288476A (en) * | 2016-09-23 | 2017-01-04 | 苏州热火能源科技有限公司 | A kind of cascade type heat pump of dual temperature-rise |
| CN110608539A (en) * | 2019-11-05 | 2019-12-24 | 烟台欧森纳地源空调股份有限公司 | Cascade high-temperature heat pump system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20131217 |