CN202470417U - Commercial water heating device with air source heat pump and adjustability in power level - Google Patents
Commercial water heating device with air source heat pump and adjustability in power level Download PDFInfo
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- CN202470417U CN202470417U CN2012200346275U CN201220034627U CN202470417U CN 202470417 U CN202470417 U CN 202470417U CN 2012200346275 U CN2012200346275 U CN 2012200346275U CN 201220034627 U CN201220034627 U CN 201220034627U CN 202470417 U CN202470417 U CN 202470417U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 title abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims description 14
- 239000003507 refrigerant Substances 0.000 claims description 10
- 210000001520 comb Anatomy 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001429 stepping effect Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a commercial water heating device with an air source heat pump and adjustability in power level, comprising a first heat pump structure, a second heat pump structure and an electric heater arranged in a water tank, wherein the first heat pump structure comprises a first closed circuit structure formed in such a way that a constant frequency compressor is connected with a first four-way valve, a condenser, a first liquid storage tank, a first filter, a first throttling device, an evaporator, the first four-way valve, the first filter and a first vapor-liquid separator in order by a pipe line; the second heat pump structure comprises a second closed circuit structure formed in such a way that an inverter compressor is connected with the condenser, a second liquid storage tank, a second filter, a second throttling device, the evaporator and a second steam-gas separator in order by the pipe line; and a third closed circuit structure is formed in such a manner that the water tank is connected with a water pump and the condenser in order through the pipe line. According to the commercial water heating device with the air source heat pump and adjustability in the power level, the preparation of domestic hot water can be realized by using different input powers according to various working condition ranges; during work, the provided heat supply satisfies the existing heat supply demand better; and the energy saving effect is quite good.
Description
Technical field
The utility model relates to a kind of air source heat pump hot water device, more particularly, relates to the adjustable commercial air source heat pump hot water device of a kind of power stepping.
Background technology
Heat pump is that a kind of small amount of electrical energy of utilizing absorbs heat energy from low-temperature heat source (like air, spent hot water etc.), is sent to the heating equipment of high temperature heat source.Its using value is that mainly heat energy that work schedule is equipped with far above the joule heat energy (like electric heater) that the electric energy that is consumed can produce, has good energy-saving effect.
The heat pump of widely using at present mainly is the compressor heat pump that utilizes (contrary) Carnot's principle.Its principle is to use air as low-temperature heat source; Carburation by evaporation by the liquid refrigerant in the evaporimeter absorbs heat energy in air, through compressor gaseous working medium is become the gaseous working medium of high temperature, high pressure again, and high temperature, high-pressure gaseous working medium discharge heat energy when this gaseous working medium is transferred to condenser; Discharge great amount of heat; Pass to the deposit cold water in the water tank, water temperature is raise, reach the purpose of preparation hot water.Its application places is generally there are the relative fixed demand in family, factory, school etc. to every day the domestic hot-water's amount and the period of supplying water place.
Because these heat-pump water heaters are the general fixedly compressor of input power that uses in system's design, therefore, with regard to the input power index, need design according to annual lowest temperature operating mode.Yet with regard to the region that major part is fit to heat pump application, worst cold case is less in the whole year, and especially the extreme low temperature fate is few, therefore should design have big irrationality.
Heat-pump water heater based on (contrary) Carnot's principle design is very many at present, and it is 4,000 multinomial that only domestic disclosed patent just has.Whether these device bases are applied to family's occasion can be divided into apparatus for household use and engineering (commercialization) device two big classifications.Still there is not the adjustable heat pump assembly technology of input power from present disclosed patent and document.
The utility model content
The purpose of the utility model is to provide a kind of and uses different input power to prepare domestic hot-water's the adjustable commercial air source heat pump hot water device of power stepping according to different operating mode scopes; The heat capacity that provides during this device work more is consistent with heat demand at that time, and its energy-saving effect is very good.
To achieve these goals, the utility model has adopted following technical scheme:
The commercial air source heat pump hot water device that a kind of power stepping is adjustable, it comprises the first heat pump structure, the second heat pump structure and is arranged on the electric heater in the water tank; The said first heat pump structure comprises invariable frequency compressor, first cross valve, condenser, first fluid reservoir, first filter, first throttle device, evaporimeter, first cross valve, first filter, first gas-liquid separator, and said invariable frequency compressor is connected to form the first loop structure through first cross valve, condenser, first fluid reservoir, first filter, first throttle device, evaporimeter, first cross valve, first filter, first gas-liquid separator successively through pipeline; The said second heat pump structure comprises frequency-changeable compressor, condenser, second fluid reservoir, second filter, second throttling arrangement, evaporimeter, second gas-liquid separator, and said frequency-changeable compressor is connected to form the second loop structure through condenser, second fluid reservoir, second filter, second throttling arrangement, evaporimeter, second gas-liquid separator successively through pipeline; Said water tank forms the 3rd loop structure through a water pump, condenser successively through pipeline.
As the further improvement to the present technique scheme, said condenser is for be followed successively by the tube-in-tube structure of inner tube, intervalve, outer tube composition from inside to outside; In the said first loop structure, respective line is to be communicated with the inner tube of this condenser; In the said second loop structure, respective line is to be communicated with the outer tube of this condenser; In said the 3rd loop structure, respective line is to be communicated with the intervalve of this condenser.
As further improvement to the present technique scheme, extraneous refrigerant through the trend of inner tube and extraneous refrigerant through outer tube to move towards identical and extraneous refrigerant opposite through the trend of intervalve through the trend and the water of inner tube.
As further improvement to the present technique scheme, at said evaporimeter for having at least two combs, the pipeline connection of a part of comb and the said first loop structure, and, the pipeline connection of another part comb and the said second loop structure.
As the further improvement to the present technique scheme, it also comprises being installed in and is communicated with second high-voltage switch gear of said frequency-changeable compressor to the pipeline of condenser, is installed in and is communicated with second low tension switch of said second gas-liquid separator to the pipeline of frequency-changeable compressor, is installed in and is communicated with first high-voltage switch gear of said invariable frequency compressor to the pipeline of first cross valve, is installed in and is communicated with first low tension switch of said first gas-liquid separator to the pipeline of invariable frequency compressor, is installed in and is communicated with said first cross valve and is connected with said first throttle device through pipeline to first bulb and this first bulb on the pipeline of first filter.
The utility model is owing to having adopted said structure, so it has following beneficial effect:
(1) the utility model through adopting invariable frequency compressor work the first heat pump structure, the second heat pump structure that adopts frequency-changeable compressor work and adopt the water tank work of the cooperation of fixing electric heater three parts of heat supply to a little volume, thereby three power brackets and continuously adjustable heat capacity are provided.The shared evaporimeter of the first heat pump structure and the second heat pump structure and a condenser and separate are selected single heat pump structure in when work according to real-time working condition, perhaps two heat pump structures, perhaps two heat pump structures and electric heater work.Therefore, the utility model can use different input power to prepare the domestic hot-water according to different operating mode scopes, and the heat capacity that provides during the utility model work more is consistent with heat demand at that time.
(2) the utility model is more energy-conservation; Through adopting the waterbox design of little volume; Can significantly reduce soak losses; Through the fixedly cooperation realization power stepping design of electric heater three parts of heat supply of the first heat pump structure that adopts invariable frequency compressor work, the second heat pump structure that adopts frequency-changeable compressor work and employing, can significantly reduce the heat capacity waste; In the most of the time of the utility model work; Only need the first heat pump structure to work independently; Because evaporator area is enough big, institute's required airflow can correspondingly reduce, and energy efficiency of equipment is than high; The electric heater part only needs the extreme low temperature weather of only a few in the whole year to start, and this moment, heat pump structure Energy Efficiency Ratio advantage was little; Therefore, the comprehensive annual Energy Efficiency Ratio tradition of the device of the utility model adopts independent heat pump structure to want high a lot.
(3) the utility model response speed is faster; The utility model adopts the accumulation of heat of little volume water tank to provide one lasting heat capacity, the high-power parts that heat that enough instant heat capacities are provided; The heat supply response speed is faster, and can to realize promptly opening be heat supply the most of the time in the whole year.
(4) the utility model passes through to adopt the fixedly electric heater three part cooperatings of heat supply of the first heat pump structure of invariable frequency compressor work, the second heat pump structure that adopts frequency-changeable compressor work and employing; Thereby the device safety in utilization and the reliability of the utility model are stronger; Longer service life; Heat capacity leaves surplus in the utility model work overwhelming majority time, and device security is stronger.
After the detailed description of the embodiment that combines advantages the utility model, it is clearer that characteristics of the utility model and advantage will become.
Description of drawings
Fig. 1 is the schematic cross-section of the embodiment of the utility model;
Fig. 2 is the tube-in-tube structural representation of the inside of condenser.
Among the figure:
1. invariable frequency compressor; 2. first cross valve; 3. condenser; 31. inner tube; 32. intervalve; 33. outer tube; 4. first fluid reservoir; 5. unloader; 6. first filter; 7. first throttle device; 8. evaporimeter; 9. first stop valve; 10. first gas-liquid separator; 11. first low tension switch; 12. first high-voltage switch gear; 14. first filter; 15. first bulb; 16. frequency-changeable compressor; 17. second high-voltage switch gear; 18. second fluid reservoir; 19. second stop valve; 20. second filter; 21. second throttling arrangement; 22. second stop valve; 23. second gas-liquid separator; 24. second low tension switch; 25. water pump; 26. water tank; 27. electric heater.
The specific embodiment
With an embodiment the utility model is done further detailed explanation below, but should explain that the protection domain of the utility model is not limited only to this.
See also Fig. 1; The commercial air source heat pump hot water device that a kind of power stepping is adjustable; It comprises the first heat pump structure A, the second heat pump structure B and is arranged on the electric heater 27 in the water tank 26; Wherein, the little volume water tank that water tank 26 uses much smaller than actual water requirements only is used to the lasting heat capacity that provides certain; The said first heat pump structure A comprises invariable frequency compressor 1, first cross valve 2, condenser 3, first fluid reservoir 4, first filter 6, first throttle device 7, evaporimeter 8, first cross valve 2, first filter 14, first gas-liquid separator 10, and said invariable frequency compressor 1 is connected to form the first loop structure through first cross valve 2, condenser 3, first fluid reservoir 4, first filter 6, first throttle device 7, evaporimeter 8, first cross valve 2, first filter 14, first gas-liquid separator 10 successively through pipeline; The said second heat pump structure B comprises frequency-changeable compressor 16, condenser 3, second fluid reservoir 18, second filter 20, second throttling arrangement 21, evaporimeter 8, second gas-liquid separator 23, and said frequency-changeable compressor 16 is connected to form the second loop structure through condenser 3, second fluid reservoir 18, second filter 20, second throttling arrangement 21, evaporimeter 8, second gas-liquid separator 23 successively through pipeline; Said water tank 26 forms the 3rd loop structure through a water pump 25, condenser 3 successively through pipeline.In this embodiment, form the double-compressor double structure by the first heat pump structure A, the second heat pump structure B, the first heat pump structure A adopts invariable frequency compressor 1, and it has fixedly heat capacity; The second heat pump structure B adopts frequency-changeable compressor 16, and it is adjustable that it has the certain limit internal power; Heat capacity electric heater 27 has fixedly heat capacity; Three parts are with three kinds of compound mode work: can the first heat pump structure A work independently, the first heat pump structure A and the second heat pump structure B work simultaneously; Perhaps the first heat pump structure A, the second heat pump structure B, electric heater 37 are worked simultaneously; Three power brackets and continuously adjustable heat capacity are provided wherein, the first heat pump structure A and the second heat pump structure B adopt common evaporimeter 8 and condenser 3.
Consult Fig. 2, as the further improvement to the present technique scheme, said condenser 3 is for be followed successively by the tube-in-tube structure of inner tube 31, intervalve 32, outer tube 33 compositions from inside to outside; In the said first loop structure, respective line is to be communicated with the inner tube 31 of this condenser 3; In the said second loop structure, respective line is to be communicated with the outer tube 33 of this condenser 3; In said the 3rd loop structure, respective line is to be communicated with the intervalve 32 of this condenser 3.Extraneous refrigerant through the trend of inner tube 31 and extraneous refrigerant through outer tube 33 to move towards identical and extraneous refrigerant opposite through the trend of intervalve 32 through the trend and the water of inner tube 31.
As further improvement to the present technique scheme, at said evaporimeter 8 for having at least two combs, the pipeline connection of a part of comb and the said first loop structure, and, the pipeline connection of another part comb and the said second loop structure.
As further improvement to the present technique scheme, its also comprise be installed in be communicated with second high-voltage switch gear 17 of said frequency-changeable compressor 16 to the pipeline of condenser 3, be installed in be communicated with second low tension switch 24 of said second gas-liquid separator 23 to the pipeline of frequency-changeable compressor 16, be installed in first high-voltage switch gear 12 on the pipeline that is communicated with said invariable frequency compressor 1 to first cross valve 2, be installed in be communicated with first low tension switch 11 of said first gas-liquid separator 10 to the pipeline of invariable frequency compressor 1, first bulb 15 and this first bulb 15 that is installed on the pipeline that is communicated with said first cross valve, 2 to first filters 14 is connected with said first throttle device 7 through pipeline.Above-mentioned second high-voltage switch gear 17, second low tension switch 24, first high-voltage switch gear 12, first low tension switch 11, first bulb 15 play a protective role to corresponding component respectively.
This embodiment specifically uses, and its workflow is following:
(1) satisfies when heating demand when the heat capacity of the first heat pump structure A, only start first heat pump structure A work preparation hot water and get final product;
(2) do not satisfy when heating demand when the heat capacity of the first heat pump structure A, also need begin to start second heat pump structure B work, realize preparing hot water with suitable running frequency work except starting the first heat pump structure A;
(3) also do not satisfy when heating demand when the maximum heat capacity sum of the heat capacity of the first heat pump structure A and the second heat pump structure B; Except starting the first heat pump structure A, the second heat pump structure B; Also need start electric heater 27 and work together, and the running frequency of the second heat pump structure B is adjusted to appropriate value;
The startup of (four) second heat pump structure B and electric heater 27 is controlled with the water inlet water temperature according to the prevailing circumstances temperature by the control system and is got final product.
Though described the embodiment of the utility model in conjunction with accompanying drawing; But those skilled in the art can make various distortion or modification within the scope of the appended claims; As long as be no more than the described protection domain of the claim of the utility model, all should be within the protection domain of the utility model.
Claims (5)
1. commercial air source heat pump hot water device that the power stepping is adjustable is characterized in that: it comprises the first heat pump structure (A), the second heat pump structure (B) and is arranged on the electric heater (27) in the water tank (26); The said first heat pump structure (A) comprises invariable frequency compressor (1), first cross valve (2), condenser (3), first fluid reservoir (4), first filter (6), first throttle device (7), evaporimeter (8), first cross valve (2), first filter (14), first gas-liquid separator (10), and said invariable frequency compressor (1) is connected to form the first loop structure through first cross valve (2), condenser (3), first fluid reservoir (4), first filter (6), first throttle device (7), evaporimeter (8), first cross valve (2), first filter (14), first gas-liquid separator (10) successively through pipeline; The said second heat pump structure (B) comprises frequency-changeable compressor (16), condenser (3), second fluid reservoir (18), second filter (20), second throttling arrangement (21), evaporimeter (8), second gas-liquid separator (23), and said frequency-changeable compressor (16) is connected to form the second loop structure through condenser (3), second fluid reservoir (18), second filter (20), second throttling arrangement (21), evaporimeter (8), second gas-liquid separator (23) successively through pipeline; Said water tank (26) forms the 3rd loop structure through a water pump (25), condenser (3) successively through pipeline.
2. the adjustable commercial air source heat pump hot water device of a kind of power stepping according to claim 1 is characterized in that: said condenser (3) is for be followed successively by the tube-in-tube structure of inner tube (31), intervalve (32), outer tube (33) composition from inside to outside; In the said first loop structure, respective line is to be communicated with the inner tube (31) of this condenser (3); In the said second loop structure, respective line is to be communicated with the outer tube (33) of this condenser (3); In said the 3rd loop structure, respective line is to be communicated with the intervalve (32) of this condenser (3).
3. the adjustable commercial air source heat pump hot water device of a kind of power stepping according to claim 2 is characterized in that: extraneous refrigerant through the trend of inner tube (31) and extraneous refrigerant through outer tube (33) to move towards identical and extraneous refrigerant opposite through the trend of intervalve (32) through the trend and the water of inner tube (31).
4. according to claim 1 or the adjustable commercial air source heat pump hot water device of 2 or 3 described a kind of power steppings; It is characterized in that: at said evaporimeter (8) for having at least two combs; The pipeline connection of part comb and the said first loop structure; And, the pipeline connection of another part comb and the said second loop structure.
5. the adjustable commercial air source heat pump hot water device of a kind of power stepping according to claim 4 is characterized in that: it also comprises being installed in and is communicated with second high-voltage switch gear (17) of said frequency-changeable compressor (16) to the pipeline of condenser (3), is installed in and is communicated with second low tension switch (24) of said second gas-liquid separator (23) to the pipeline of frequency-changeable compressor (16), is installed in and is communicated with first high-voltage switch gear (12) of said invariable frequency compressor (1) to the pipeline of first cross valve (2), is installed in and is communicated with first low tension switch (11) of said first gas-liquid separator (10) to the pipeline of invariable frequency compressor (1), is installed in first bulb (15) and this first bulb (15) of said first cross valve of connection (2) to the pipeline of first filter (14) and passes through pipeline and be connected with said first throttle device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200346275U CN202470417U (en) | 2012-02-03 | 2012-02-03 | Commercial water heating device with air source heat pump and adjustability in power level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200346275U CN202470417U (en) | 2012-02-03 | 2012-02-03 | Commercial water heating device with air source heat pump and adjustability in power level |
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| Publication Number | Publication Date |
|---|---|
| CN202470417U true CN202470417U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200346275U Expired - Fee Related CN202470417U (en) | 2012-02-03 | 2012-02-03 | Commercial water heating device with air source heat pump and adjustability in power level |
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| CN (1) | CN202470417U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563866A (en) * | 2012-02-03 | 2012-07-11 | 广东纽恩泰新能源科技发展有限公司 | Commercial air-source heat pump water heating device with stepping adjustable power |
| CN103968554A (en) * | 2013-02-04 | 2014-08-06 | 珠海格力电器股份有限公司 | Operation control method and system for hot water production by double-compressor heat pump |
| CN113294935A (en) * | 2021-05-27 | 2021-08-24 | 广东纽恩泰新能源科技发展有限公司 | Frequency adjusting method and device for heat pump frequency conversion unit |
-
2012
- 2012-02-03 CN CN2012200346275U patent/CN202470417U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563866A (en) * | 2012-02-03 | 2012-07-11 | 广东纽恩泰新能源科技发展有限公司 | Commercial air-source heat pump water heating device with stepping adjustable power |
| CN103968554A (en) * | 2013-02-04 | 2014-08-06 | 珠海格力电器股份有限公司 | Operation control method and system for hot water production by double-compressor heat pump |
| CN103968554B (en) * | 2013-02-04 | 2016-08-03 | 珠海格力电器股份有限公司 | Operation control method and system for hot water production by double-compressor heat pump |
| CN113294935A (en) * | 2021-05-27 | 2021-08-24 | 广东纽恩泰新能源科技发展有限公司 | Frequency adjusting method and device for heat pump frequency conversion unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Commercial air-source heat pump water heating device with stepping adjustable power Effective date of registration: 20130320 Granted publication date: 20121003 Pledgee: Industrial Bank, Limited by Share Ltd, Guangzhou Ring East subbranch Pledgor: Guangdong New Energy Technology Development Co.,Ltd. Registration number: 2013440000001 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150318 Granted publication date: 20121003 Pledgee: Industrial Bank, Limited by Share Ltd, Guangzhou Ring East subbranch Pledgor: Guangdong New Energy Technology Development Co.,Ltd. Registration number: 2013440000001 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20190203 |