CN104390400A - Heat pump product with novel defrosting heat exchange device - Google Patents
Heat pump product with novel defrosting heat exchange device Download PDFInfo
- Publication number
- CN104390400A CN104390400A CN201410553722.XA CN201410553722A CN104390400A CN 104390400 A CN104390400 A CN 104390400A CN 201410553722 A CN201410553722 A CN 201410553722A CN 104390400 A CN104390400 A CN 104390400A
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- Prior art keywords
- heat
- heat exchanger
- exchanger
- throttle part
- pump product
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a heat pump product with a novel defrosting heat exchange device. The heat pump product comprises a compressor, a four-way reversing valve, a user side heat exchanger, a throttling component and a finned tube heat exchanger, wherein the compressor is respectively connected with a first interface and a second interface of the four-way reversing valve, the user side heat exchanger is connected with a third interface of the four-way reversing valve, the finned tube heat exchanger is connected with a fourth interface of the four-way reversing valve, the other end of the finned tube heat exchanger is connected with the throttling component, and a heat storage heat exchanger is also connected in series between the user side heat exchanger and the throttling component. The heat pump product has the advantages that on the basis of the traditional four-way reversing valve defrosting, the novel defrosting process is realized at lower cost through simple modification, the added heat storage heat exchanger absorbs afterheat at an outlet of a condenser during heat pump operation, the heat storage heat exchanger is used an evaporator to release heat for defrosting during defrosting operation, and effects of utilizing afterheat and changing waste into valuable are better achieved, so the heating effect in winter can also be improved.
Description
Technical field
The present invention relates to refrigeration and art of heat pumps, be specifically related to a kind of may the heat pump product with novel defrosting heat-exchanger rig of air source heat pump equipment that freezes of frosting for heat source side heat exchanger.
Background technology
Conventional refrigeration product and heat pump product are general in defrost or deicing processes adopts cross valve reverse cycle defrost, originally the finned tube exchanger making evaporimeter in defrost process becomes the condenser of releasing heat defrosting, and the condenser originally playing heating water or added hot air acting becomes the evaporimeter absorbing heat, so the defrost process that heat pump condenser becomes evaporimeter is often to sacrifice heat pump product heating capacity be cost, even some product directly affects comfortableness or the continuity that client uses product because of defrost process, so people are finding more suitably Defrost mode always.
Summary of the invention
Cold-producing medium in a kind of defrost process is the object of the present invention is to provide not absorb the valuable heat energy of user side heat exchanger, do not affect the heating performance of user side heat exchanger, thus improve the heat pump product with novel defrosting heat-exchanger rig of the winter operation performance of heat pump product.
Technical scheme of the present invention is, a kind of heat pump product with novel defrosting heat-exchanger rig, comprise compressor, four-way change-over valve, user side heat exchanger, throttle part, finned tube exchanger, described compressor is connected with the first interface of four-way change-over valve and the second interface respectively, described user side heat exchanger is connected with the 3rd interface of four-way change-over valve, described finned tube exchanger is connected with the 4th interface of four-way change-over valve, the other end of described finned tube exchanger is connected with described throttle part, also regenerative heat exchanger is in series with between described user side heat exchanger and described throttle part.
In a preferred embodiment of the present invention, in described regenerative heat exchanger, be also provided with heat-conducting type heat storage medium.
In a preferred embodiment of the present invention, in described regenerative heat exchanger, be also connected with heat exchange coil.
In a preferred embodiment of the present invention, described heat exchange coil import is connected with described user side heat exchanger exit, and heat exchange coil outlet is connected with described throttle part import.
In a preferred embodiment of the present invention, described regenerative heat exchanger inside can also be provided with auxiliary electrical heater rod.
In a preferred embodiment of the present invention, described throttle part is heating power expansion valve, electric expansion valve or capillary, the combiner that jointly can also be formed for heating power expansion valve, electric expansion valve or capillary and check valve, magnetic valve, wherein, heating power expansion valve, electric expansion valve or capillary can have multiple, but have a throttle part at least as main throttle part, the outlet of its import and regenerative heat exchanger is in series, and regenerative heat exchanger can be formed in parallel with the auxiliary type restricting element outside main throttle part or be connected in series.
Of the present invention is a kind of heat pump product with novel defrosting heat-exchanger rig, the present invention realizes novel defrost process with less cost and simple change on the basis of traditional cross valve reverse cycle defrost, the waste heat of the regenerative heat exchanger increased absorptive condenser outlet when operation of heat pump, heat energy defrost is released as evaporimeter when Defrost operation, serve UTILIZATION OF VESIDUAL HEAT IN well, the effect turned waste into wealth, therefore heating effect in winter also improves and improves.
Accompanying drawing explanation
Fig. 1 is that the present invention is a kind of with the structural representation in heat pump product one preferred embodiment of novel defrosting heat-exchanger rig;
Accompanying drawing 2 is a kind of structural representation with defrost process in heat pump product one preferred embodiment of novel defrosting heat-exchanger rig of the present invention;
Accompanying drawing 3 is that the present invention is a kind of with regenerative heat exchanger structural representation in heat pump product one preferred embodiment of novel defrosting heat-exchanger rig;
Accompanying drawing 4 be the present invention a kind of with regenerative heat exchanger in heat pump product one preferred embodiment of novel defrosting heat-exchanger rig with the structural representation of auxiliary electrical heater rod;
Accompanying drawing 5 is a kind of structural representation with air energy hot water machine in heat pump product one preferred embodiment of novel defrosting heat-exchanger rig of the present invention;
In accompanying drawing, each mark is as follows: 1, compressor, and 2, four-way change-over valve, 3, user side heat exchanger, 4, regenerative heat exchanger, 41, heat exchange coil, 42, auxiliary electrical heater rod, 5, throttle part, 51, check valve, 6, finned tube exchanger, 7, circulating pump, 8, storage tank.
Detailed description of the invention
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiment 1:
Of the present invention is a kind of heat pump product with novel defrosting heat-exchanger rig, as shown in Figure 1, comprise compressor 1, four-way change-over valve 2, user side heat exchanger 3, throttle part 5, finned tube exchanger 6, described compressor 1 is connected with the first interface of four-way change-over valve 2 and the second interface respectively, described user side heat exchanger 3 is connected with the 3rd interface of four-way change-over valve 2, described finned tube exchanger 6 is connected with the 4th interface of four-way change-over valve 2, the other end of described finned tube exchanger 6 is connected with described throttle part 5, regenerative heat exchanger 4 is also in series with between described user side heat exchanger 3 and described throttle part 5.
Described throttle part 5 is heating power expansion valve, electric expansion valve or capillary, the combiner that jointly can also be formed for heating power expansion valve, electric expansion valve or capillary and the on-off element such as check valve, magnetic valve, heating power expansion valve, electric expansion valve or capillary can have multiple, but have a throttle part 5 at least as main throttle part, the outlet of its import and regenerative heat exchanger 4 is in series.Regenerative heat exchanger 4 can be formed in parallel with the auxiliary type restricting element outside main throttle part or is connected in series.Described auxiliary type restricting element comprises the parts (all not indicating in accompanying drawing) for refrigerant circulation such as reservoir, economizer, heating power expansion valve, electric expansion valve, capillary, check valve, magnetic valve.
As shown in Figure 3, heat-conducting type heat storage medium (figure does not indicate) is also provided with in described regenerative heat exchanger 4; Also be connected with heat exchange coil 41 in described regenerative heat exchanger 4, the import of described heat exchange coil 41 exports with described user side heat exchanger 3 and is connected (scheming not indicate), and heat exchange coil 41 outlet is connected with the import of described throttle part 5 (scheming not indicate).
Operationally, regenerative heat exchanger 4 is for absorbing the waste heat of user side heat exchanger 3 cold-producing medium out.
As shown in Fig. 2 composition graphs 3, when Defrost operation, regenerative heat exchanger 4 releases heat energy defrost as evaporimeter.
Embodiment 2
Again shown in composition graphs 4, in order to ensure defrosting effect, described regenerative heat exchanger 4 inside can also be provided with auxiliary electrical heater rod 42, auxiliary electrical heater rod 42 replaced by the auxiliary electrical heater band (figure does not indicate) that available packages is rolled in regenerative heat exchanger 4 outer surface, when heat storage medium temperature provides defrosting heat energy lower than starting auxiliary electrical heater rod 42 during certain threshold values, guarantee that defrosting is complete.
Embodiment 3
What be illustrated in figure 5 an air energy thermal water machine is a kind of application case of heat pump product.Driven by circulating pump, the water in storage tank carries out heat exchange at user side heat exchanger and cold-producing medium, and after water absorbs heat, temperature rises, thus plays the effect of heating water.The present embodiment has installed regenerative heat exchanger and check valve additional in regular air energy hot water machine, and regenerative heat exchanger can absorb the waste heat of user side heat exchanger, and check valve is in parallel with regenerative heat exchanger, reduces flow of refrigerant dynamic resistance when heating operation.In defrost process, four-way change-over valve commutates, compressor high temperature refrigerant out becomes liquid after finned tube exchanger heat release, again after throttle part throttling cooling, due to the effect of check valve, cold-producing medium all enters regenerative heat exchanger heat absorption evaporation, then returns compressor through user side heat exchanger and cross valve.In order to reduce the thermal losses of user side heat exchanger during defrosting, circulating pump quits work.In figure, check valve also can substitute with magnetic valve.
Of the present invention is a kind of heat pump product with novel defrosting heat-exchanger rig, the present invention realizes novel defrost process with less cost and simple change on the basis of traditional cross valve reverse cycle defrost, the waste heat of the regenerative heat exchanger increased absorptive condenser outlet when operation of heat pump, heat energy defrost is released as evaporimeter when Defrost operation, serve UTILIZATION OF VESIDUAL HEAT IN well, the effect turned waste into wealth, therefore heating effect in winter also improves and improves.
The foregoing is only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (6)
1. the heat pump product with novel defrosting heat-exchanger rig, comprise compressor, four-way change-over valve, user side heat exchanger, throttle part, finned tube exchanger, described compressor is connected with the first interface of four-way change-over valve and the second interface respectively, described user side heat exchanger is connected with the 3rd interface of four-way change-over valve, described finned tube exchanger is connected with the 4th interface of four-way change-over valve, the other end of described finned tube exchanger is connected with described throttle part, it is characterized in that: between described user side heat exchanger and described throttle part, be also in series with regenerative heat exchanger.
2. the heat pump product with novel defrosting heat-exchanger rig according to claim 1, is characterized in that: be also provided with heat-conducting type heat storage medium in described regenerative heat exchanger.
3. the heat pump product with novel defrosting heat-exchanger rig according to claim 1, is characterized in that: be also connected with heat exchange coil in described regenerative heat exchanger.
4. the heat pump product with novel defrosting heat-exchanger rig according to claim 3, is characterized in that: described heat exchange coil import is connected with described user side heat exchanger exit, and heat exchange coil outlet is connected with described throttle part import.
5. the heat pump product with novel defrosting heat-exchanger rig according to claim 1, is characterized in that: described regenerative heat exchanger inside can also be provided with auxiliary electrical heater rod.
6. the heat pump product with novel defrosting heat-exchanger rig according to claim 1, it is characterized in that: described throttle part is heating power expansion valve, electric expansion valve or capillary, it can also be heating power expansion valve, electric expansion valve or capillary and check valve, the combiner that magnetic valve is formed jointly, wherein, heating power expansion valve, electric expansion valve or capillary can have multiple, but have a throttle part at least as main throttle part, the outlet of its import and regenerative heat exchanger is in series, regenerative heat exchanger can be formed in parallel with the auxiliary type restricting element outside main throttle part or is connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553722.XA CN104390400A (en) | 2014-10-20 | 2014-10-20 | Heat pump product with novel defrosting heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553722.XA CN104390400A (en) | 2014-10-20 | 2014-10-20 | Heat pump product with novel defrosting heat exchange device |
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| CN104390400A true CN104390400A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410553722.XA Pending CN104390400A (en) | 2014-10-20 | 2014-10-20 | Heat pump product with novel defrosting heat exchange device |
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| CN (1) | CN104390400A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642853A (en) * | 2015-11-02 | 2017-05-10 | 杭州三花家电热管理系统有限公司 | Water heater system and heat exchange method of water heater system |
| CN106969397A (en) * | 2017-05-04 | 2017-07-21 | 奥特朗电器（广州）有限公司 | Hot pump in low temp heating unit with efficient defrosting system |
| CN107238249A (en) * | 2017-07-27 | 2017-10-10 | 钱娟娟 | Energy-storing defrosting refrigerator |
| WO2018129840A1 (en) * | 2017-01-10 | 2018-07-19 | 美的集团武汉制冷设备有限公司 | Defrosting control method, defrosting control system, and air conditioner |
| CN112902514A (en) * | 2019-12-04 | 2021-06-04 | 江苏金通灵光核能源科技有限公司 | Carbon dioxide heat pump heat storage defrosting system |
| CN113865089A (en) * | 2021-09-29 | 2021-12-31 | 同济大学 | Double-condenser heat pump water heater system with auxiliary defrosting structure |
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| CN102410768A (en) * | 2011-10-25 | 2012-04-11 | 华南理工大学 | Phase change heat accumulator used for defrosting heat pump water heater |
| JP4937244B2 (en) * | 2008-12-19 | 2012-05-23 | 三菱電機株式会社 | Heat pump device and heat pump water heater and air conditioner equipped with the same |
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| CN1828192A (en) * | 2006-03-30 | 2006-09-06 | 高秀明 | Energy-storing defrosting cold-warm air conditioning system |
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| CN102410768A (en) * | 2011-10-25 | 2012-04-11 | 华南理工大学 | Phase change heat accumulator used for defrosting heat pump water heater |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642853A (en) * | 2015-11-02 | 2017-05-10 | 杭州三花家电热管理系统有限公司 | Water heater system and heat exchange method of water heater system |
| WO2018129840A1 (en) * | 2017-01-10 | 2018-07-19 | 美的集团武汉制冷设备有限公司 | Defrosting control method, defrosting control system, and air conditioner |
| CN106969397A (en) * | 2017-05-04 | 2017-07-21 | 奥特朗电器（广州）有限公司 | Hot pump in low temp heating unit with efficient defrosting system |
| CN107238249A (en) * | 2017-07-27 | 2017-10-10 | 钱娟娟 | Energy-storing defrosting refrigerator |
| CN107238249B (en) * | 2017-07-27 | 2019-11-26 | 浙江雪村制冷设备有限公司 | Energy-storing defrosting refrigerator |
| CN112902514A (en) * | 2019-12-04 | 2021-06-04 | 江苏金通灵光核能源科技有限公司 | Carbon dioxide heat pump heat storage defrosting system |
| CN113865089A (en) * | 2021-09-29 | 2021-12-31 | 同济大学 | Double-condenser heat pump water heater system with auxiliary defrosting structure |
| CN113865089B (en) * | 2021-09-29 | 2023-02-07 | 同济大学 | Double-condenser heat pump water heater system with auxiliary defrosting structure |
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Application publication date: 20150304 |