CN204963193U - Heat pump water heater - Google Patents
Heat pump water heater Download PDFInfo
- Publication number
- CN204963193U CN204963193U CN201520182100.0U CN201520182100U CN204963193U CN 204963193 U CN204963193 U CN 204963193U CN 201520182100 U CN201520182100 U CN 201520182100U CN 204963193 U CN204963193 U CN 204963193U
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- Prior art keywords
- heat
- transfer medium
- exchanger rig
- water heater
- pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000010438 heat treatment Methods 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000009835 boiling Methods 0.000 claims abstract description 7
- 230000008016 vaporization Effects 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 42
- 238000004781 supercooling Methods 0.000 claims description 30
- 239000003507 refrigerant Substances 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 9
- 239000008236 heating water Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a heat pump hot water system. Specifically, the utility model discloses a heat pump hot water system includes: a heating chamber configured to have a predetermined degree of vacuum and to contain a heat transfer medium so that the heat transfer medium is in a low-pressure environment having a pressure lower than a standard atmospheric pressure; the first heat exchange device is positioned in the heating chamber and above the highest heat transfer medium liquid level in the heating chamber, and is configured to contain heated water; and heat pump circulation system, configure to under low pressure environment with the heating chamber lower part heat medium heating to boiling to make heat medium vaporization rise and form gaseous heat medium, gaseous heat medium's at least partial heating is heated the hot water the utility model discloses a heat pump hot water system is under low pressure environment because heat medium, this heat medium can vaporize into gaseous heat medium under lower temperature, utilizes gaseous heat medium's latent heat and sensible heat heating to be heated water, is showing the heating energy efficiency ratio who has improved heat pump hot water system, has reached energy-conserving purpose.
Description
Technical field
The utility model relates to art of heat pumps, particularly relates to a kind of heat-pump water heater.
Background technology
Existing heat-pump water heater can comprise: compressor, and compressor is provided with exhaust outlet and gas returning port; Hot water heat exchanger, also can be described as condenser, and hot water heat exchanger is communicated with exhaust outlet; Evaporimeter, evaporimeter is communicated with gas returning port; Throttling element, also can be described as throttling arrangement, and throttling element to be located between hot water heat exchanger and evaporimeter and to be communicated with hot water heat exchanger and evaporimeter.When heat-pump water heater operates, the HTHP working medium of discharging from compressor flows through condenser heat exchange, heat exchange is carried out with evaporimeter after the step-down throttling of throttling element (such as capillary), return compressor, circulate and so forth, the heat that working medium is carried is passed to water by the mode of heat conduction and is made hot water.Existing air source heat pump hot water device directly heats water, and firing rate is slow, and the hot water of generation measures little, and observable index is larger.
Utility model content
An object of the present utility model is intended at least one defect overcoming existing heat-pump water heater, provides a kind of heat-pump water heater of novelty.
A further object of the present utility model improves the heating energy efficiency ratio of heat-pump water heater.
Another further object of the present utility model improves the ability of heating water, to improve hot water effluent's amount.
In order to realize at least one object above-mentioned, the utility model provides a kind of heat-pump water heater.This heat-pump water heater can comprise:
Heating clamber, is configured to have predetermined vacuum level and for holding heat transfer medium, is in the environment under low pressure of air pressure lower than normal atmospheric pressure to make described heat transfer medium;
First heat-exchanger rig, is positioned at described heating clamber and is in the top of the most high heat transfer medium liquid level of described heating clamber, being configured to hold healed water; With
Heat pump circulating system, is configured to the heat transfer medium of described heating clamber bottom is heated to boiling under described environment under low pressure, and vaporizing to rise to make described heat transfer medium forms gaseous heat-transfer medium, the described healed water of at least part of heating of described gaseous heat-transfer medium.
Alternatively, described heat pump circulating system comprises: the second heat-exchanger rig, its heat transfer medium import utilizes the first pipe arrangement to be communicated with the bottom of described heating clamber, its heat transfer medium outlet utilizes the cavity connects being in the below of described first heat-exchanger rig of the second pipe arrangement and described heating clamber, is configured to utilize the refrigerant heat entered in it to enter heat transfer medium in it.
Alternatively, the delivery port of described second pipe arrangement is provided with nozzle, described nozzle is positioned at the most high heat transfer medium ullage of described heating clamber, when the temperature being configured to the heat transfer medium flowed out at described second pipe arrangement reaches the temperature that boiling needs, sprays described gaseous heat-transfer medium upward.
Alternatively, described heat-pump water heater comprises further: supercooling apparatus, be positioned at described heating clamber and be in a distance above described first heat-exchanger rig, being configured to carry out condensation to the remainder through described first heat-exchanger rig in described gaseous heat-transfer medium.
Alternatively, described supercooling apparatus has the water inlet flowed into for described healed water and the delivery port flowed out for described healed water, and the delivery port of described supercooling apparatus utilizes connecting water pipe to be connected to the water inlet of described first heat-exchanger rig.
Alternatively, described supercooling apparatus and described first heat-exchanger rig include: many bending tubes, bending tube described in every root bends from its upper end and extends to its lower end in its corresponding perpendicular, and the multiple perpendicular parallel interval ground residing for many described bending tubes are arranged.
Alternatively, described in every root, bending tube comprises: multiple straight length, and the compartment of terrain that is parallel to each other is arranged, and each described straight length extends in the horizontal direction; With multiple bend loss, be configured to respectively connect every two adjacent described straight lengths.
Alternatively, described supercooling apparatus and described first heat-exchanger rig all also comprise:
First header, the upper end of bending tube described in every root is installed on described first header; With
Second header, the lower end of bending tube described in every root is installed on described second header; And
First header of described supercooling apparatus is configured to make healed water enter every root bending tube of described supercooling apparatus, and the second header of described supercooling apparatus is configured to receive the healed water from every root bending tube of described supercooling apparatus;
Second header of described first heat-exchanger rig is configured to make healed water enter every root bending tube of described first heat-exchanger rig, and the first header of described first heat-exchanger rig is configured to receive the healed water from every root bending tube of described first heat-exchanger rig.
Alternatively, described first heat-exchanger rig and described supercooling apparatus all also comprise: multiple fin, and corresponding parallel interval is arranged to form fins set, and each described fin vertically extends, and is installed on bending tube described in every root.
Alternatively, described heat-pump water heater also comprises: vavuum pump, is configured to make described heating clamber have described predetermined vacuum level.
Under heat-pump water heater of the present utility model is in environment under low pressure because of heat transfer medium, this heat transfer medium can be vaporized into gaseous heat-transfer medium at a lower temperature, utilize latent heat and the sensible heat heating healed water of gaseous heat-transfer medium, significantly improve the heating energy efficiency ratio of heat-pump water heater, reach energy-conservation object.
Further, because heat-pump water heater of the present utility model uses gaseous heat-transfer medium heating water, significantly improve the heat exchange area of gaseous heat-transfer medium and healed water, namely the ability of this heat-pump water heater heating water is significantly improved, thus substantially increase the water yield of hot water, meet various hot water demand's occasion.
Further, because heat-pump water heater of the present utility model has the supercooling apparatus be communicated with the first heat-exchanger rig, the overwhelming majority of gaseous heat-transfer medium can be made to be condensed, to improve the utilization ratio of heat transfer medium, and preheating can be carried out to the healed water entered in the first heat-exchanger rig.
According to hereafter by reference to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present utility model more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present utility model with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic diagram of the heat-pump water heater according to the utility model embodiment;
Fig. 2 is the schematic diagram of the heat-pump water heater according to the utility model embodiment;
Fig. 3 is the schematic elevational view of the first heat-exchanger rig in the heat-pump water heater according to the utility model embodiment;
Fig. 4 is the schematic plan of the first heat-exchanger rig in the heat-pump water heater according to the utility model embodiment;
Fig. 5 is the left side schematic elevational view of the first heat-exchanger rig in the heat-pump water heater according to the utility model embodiment.
Detailed description of the invention
Fig. 1 is the schematic diagram of the heat-pump water heater according to the utility model embodiment, and in figure, solid arrow represents the exemplary flow route of heat transfer medium, and dotted arrow represents the exemplary flow route of healed water.As shown in Figure 1, the utility model embodiment provides a kind of heat-pump water heater, and it has higher heating energy efficiency ratio.This heat-pump water heater can comprise heating clamber 20, first heat-exchanger rig 30 and heat pump circulating system 40.Particularly, heating clamber 20 can be configured to have predetermined vacuum level and for holding heat transfer medium, is in the environment under low pressure of air pressure lower than normal atmospheric pressure to make heat transfer medium.First heat-exchanger rig 30 is positioned at heating clamber 20 and is in the top of the most high heat transfer medium liquid level of heating clamber 20, is configured to hold healed water.Here most high heat transfer medium liquid level refers to when all heat transfer mediums are liquid state, namely when heat-pump water heater does not work, and the liquid level of liquid heat transfer medium.Heat pump circulating system 40 is configured to the heat transfer medium of heating clamber 20 bottom is heated to boiling under environment under low pressure, and vaporizing to rise to make heat transfer medium forms gaseous heat-transfer medium, at least part of heating healed water of gaseous heat-transfer medium.Further, be condensed after at least part of heating healed water of gaseous heat-transfer medium, the bottom falling into heating clamber 20 is heated again by heat pump circulating system 40.
In embodiments more of the present utility model, heat transfer medium can adopt water or other fluid that can vaporize.Heat pump circulating system 40 utilizes the refrigerant heat heat transfer medium circulated within it, and this cold-producing medium can be carbon dioxide, and that is, this heat-pump water heater can be carbon dioxide heat-pump hot water apparatus.This heat pump circulating system 40 can comprise and utilizes refrigerant piping to be in turn connected into the compressor of closed loop, the second heat-exchanger rig 42, throttling arrangement and evaporimeter.The heat transfer medium import of the second heat-exchanger rig 42 utilizes the first pipe arrangement to be communicated with via the bottom of circulating pump with heating clamber 20.And this second heat-exchanger rig 42 is configured to utilize the refrigerant heat entered in it to enter heat transfer medium in it, the second heat-exchanger rig 42 can be double pipe heat exchanger, or has the heat exchanger tube that two parallel contact extend.The heat transfer medium outlet of the second heat-exchanger rig 42 utilizes the cavity connects being in the below of the first heat-exchanger rig 30 of the second pipe arrangement and heating clamber 20, flows back to heating clamber 20 to make the circulation of the heat transfer medium after heating.
In this embodiment, the second heat-exchanger rig 42 can be configured to the temperature being once heated to by the heat transfer medium entered in it reach boiling needs, can directly seethe with excitement with the heat transfer medium of the delivery port making described second pipe arrangement of outflow.The delivery port of the second pipe arrangement is provided with nozzle 50, and nozzle 50 is positioned at the most high heat transfer medium ullage of heating clamber 20, when the temperature being configured to the heat transfer medium flowed out at the second pipe arrangement reaches the temperature that boiling needs, sprays gaseous heat-transfer medium upward.Preferably, nozzle 50 is positioned at the central position of the most high heat transfer medium ullage of heating clamber 20.
In alternate embodiment more of the present utility model, the second heat-exchanger rig 42 can be coil exchanger, is directly positioned over the heat transfer medium of heating clamber 20 inside to heating clamber 20 and heats.
In embodiments more of the present utility model, as depicted in figs. 1 and 2, heating clamber 20 side's of can be bodily form or cylindrical.In the utility model embodiment, the vavuum pump 70 be communicated with heating clamber 20 can be adopted to make heating clamber 20 have predetermined vacuum level.In alternate embodiment more of the present utility model, heating clamber 20 can be made into chamber that is airtight, that have vacuum.The water inlet of the first heat-exchanger rig 30 can be communicated with network of rivers A from the beginning, the delivery port of the first heat-exchanger rig 30 can be communicated with the network of rivers with user, delivery port as the first heat-exchanger rig 30 is connected to floor heating water B, wash water C and water D for kitchen use respectively by distribution pipeline, also can be connected to a storage tank.
Fig. 3 is the schematic elevational view of the first heat-exchanger rig 30 in the heat-pump water heater according to the utility model embodiment.As shown in Figure 3, and with reference to figure 4 and Fig. 5, the first heat-exchanger rig 30 in the heat-pump water heater of the utility model embodiment can comprise many bending tubes 31, every root bending tube 31 bends from its upper end and extends to its lower end in its corresponding perpendicular, and the multiple perpendicular parallel interval ground residing for many bending tubes 31 are arranged.Every root bending tube 31 comprises: multiple straight length, and the compartment of terrain that is parallel to each other is arranged, and each straight length extends in the horizontal direction; With multiple bend loss, be configured to respectively connect every two adjacent straight lengths.First heat-exchanger rig 30 also can comprise multiple fin, and corresponding parallel interval is arranged to form fins set, and each fin vertically extends, and is installed on every root bending tube 31, to improve the heat exchange efficiency between gaseous heat-transfer medium and healed water further.
In the utility model embodiment, the first heat-exchanger rig 30 also can comprise: the first header 32, and the upper end of every root bending tube 31 is installed on the first header 32; With the second header 33, the lower end of every root bending tube 31 is installed on the second header 33.Preferably, the second header 33 of the first heat-exchanger rig 30 has water inlet, be configured to make healed water enter every root bending tube 31 of the first heat-exchanger rig 30.First header 32 of the first heat-exchanger rig 30 has delivery port, is configured to receive the healed water from every root bending tube 31 of the first heat-exchanger rig 30, flows from bottom to top in the second heat-exchanger rig 42 to make healed water.Known by those skilled in the art, the first header 32 of the first heat-exchanger rig 30 can have water inlet, be configured to make healed water enter every root bending tube 31 of the first heat-exchanger rig 30.Second header 33 of the first heat-exchanger rig 30 can have delivery port, be configured to receive the healed water from every root bending tube 31 of the first heat-exchanger rig 30, flow from the top down in the second heat-exchanger rig 42 to make healed water.In alternate embodiment more of the present utility model, can mutually connect between two often adjacent bending tubes 31.
In alternate embodiment more of the present utility model, the first heat-exchanger rig in the heat-pump water heater of the utility model embodiment can comprise many bending tubes 31, every root bending tube 31 extends to its end from the bending of its initial end in its corresponding horizontal plane, and the multiple plane-parallel compartment of terrains residing for many bending tubes 31 are arranged.Every root bending tube 31 is wound into planar spiral, or bending is in snakelike.
Can not be used effectively or recycle through after the first heat-exchanger rig 30 to prevent the gaseous heat-transfer medium risen, the heat-pump water heater of the utility model embodiment comprises further: supercooling apparatus 60, be positioned at heating clamber 20 and be in a distance above the first heat-exchanger rig 30, such as, can be 1/6 to 1/4 of heating clamber 20 internal cavity height, be configured to carry out condensation to the remainder through the first heat-exchanger rig 30 in gaseous heat-transfer medium, the bottom falling into heating clamber 20 is heated again by heat pump circulating system 40.Preferably, supercooling apparatus 60 has the water inlet flowed into for healed water and the delivery port flowed out for healed water, and the delivery port of supercooling apparatus 60 utilizes connecting water pipe to be connected to the water inlet of the first heat-exchanger rig 30.The structure of supercooling apparatus 60 can be identical with the structure of the first heat-exchanger rig 30, and the first header 32 of supercooling apparatus 60 is configured to make healed water enter every root bending tube 31 of supercooling apparatus 60, the second header 33 of supercooling apparatus 60 is configured to receive the healed water from every root bending tube 31 of supercooling apparatus 60.In alternate embodiment more of the present utility model, supercooling apparatus 60 can comprise the first flat board and be positioned at the second flat board of the first dull and stereotyped top, is limited with the cavity for healed water flowing between the first flat board and the second flat board.
The heat-pump water heater of the utility model embodiment is because under heat transfer medium is in environment under low pressure, this heat transfer medium can be vaporized into gaseous heat-transfer medium at a lower temperature, utilize latent heat and the sensible heat heating healed water of gaseous heat-transfer medium, significantly improve the heating energy efficiency ratio of heat-pump water heater, reach energy-conservation object.Such as, can carbon dioxide heat-pump hot water apparatus, heat transfer medium is water is example, produces the heat transfer medium of 70 DEG C, heating capacity 100Kg/h.Under the environment of low pressure 30KPa, the heat transfer medium of 70 DEG C can seethe with excitement and become steam.The latent heat of vaporization value of 70 DEG C of steam is C=2333.6KJ/Kg.Suppose when without heat loss:
If the heat transfer medium of 100Kg is all converted into steam, and is all transformed in healed water by the first heat-exchanger rig 30 and goes, the heating capacity of theoretical a hour is:
Q＝100C＝100*2333.6KJ/Kg＝2.3336*10
8J。
The heat that the heat transfer medium of 70 DEG C discharges when condensing to 30 DEG C of heat transfer mediums is:
Q
water=4.2*1000*100* (70-30)=1.68*10
7j.
Within theoretical one hour, total heating capacity is Q
always=Q+Q
water=2.5016*10
8j.That is, theoretical heating capacity hourly is: Q
hour=Q
always/ (1000*3600)=69.4KWh.
Heating energy efficiency ratio (COP) value of the carbon dioxide heat-pump circulatory system is 5, and the heat transfer medium of 30 DEG C of heating 100Kg is to 70 DEG C, and the heat of needs is:
Q1＝4.2*1000*(70-30)*100＝1.68*10
7J。Namely the electric energy needed is 4.67KWh.
COP value due to the carbon dioxide heat-pump circulatory system is 5, then carbon dioxide heat-pump circulatory system unit hour power consumption is: 4.67/5=0.93KWh.Again because hour power consumption of vavuum pump 70 is: 3KWh, then the theoretical COP of whole system is: 69.4/ (0.93+3)=17.68.
Further, suppose that heat transfer medium is 80% by the heat exchange efficiency that the system heat loss heated is the 30%, first heat-exchanger rig 30.Then the real system COP of the carbon dioxide heat-pump hot water apparatus of the utility model embodiment is: 17.68* (1-0.3) * 0.8=9.9.The heating energy efficiency ratio of the carbon dioxide heat-pump hot water apparatus of obvious the utility model embodiment is greater than the existing carbon dioxide heat-pump circulatory system and directly manufactures hot water to water heating.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present utility model is illustrate and described herein detailed, but, when not departing from the utility model spirit and scope, still can directly determine or derive other modification many or amendment of meeting the utility model principle according to content disclosed in the utility model.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. a heat-pump water heater, is characterized in that comprising:
Heating clamber, is configured to have predetermined vacuum level and for holding heat transfer medium, is in the environment under low pressure of air pressure lower than normal atmospheric pressure to make described heat transfer medium;
First heat-exchanger rig, is positioned at described heating clamber and is in the top of the most high heat transfer medium liquid level of described heating clamber, being configured to hold healed water; With
Heat pump circulating system, is configured to the heat transfer medium of described heating clamber bottom is heated to boiling under described environment under low pressure, and vaporizing to rise to make described heat transfer medium forms gaseous heat-transfer medium, the described healed water of at least part of heating of described gaseous heat-transfer medium.
2. heat-pump water heater according to claim 1, is characterized in that, described heat pump circulating system comprises:
Second heat-exchanger rig, its heat transfer medium import utilizes the first pipe arrangement to be communicated with the bottom of described heating clamber, its heat transfer medium outlet utilizes the cavity connects being in the below of described first heat-exchanger rig of the second pipe arrangement and described heating clamber, is configured to utilize the refrigerant heat entered in it to enter heat transfer medium in it.
3. heat-pump water heater according to claim 2, is characterized in that,
The delivery port of described second pipe arrangement is provided with nozzle, described nozzle is positioned at the most high heat transfer medium ullage of described heating clamber, when the temperature being configured to the heat transfer medium flowed out at described second pipe arrangement reaches the temperature of the needs that seethe with excitement, spray described gaseous heat-transfer medium upward.
4. heat-pump water heater according to claim 1, is characterized in that, also comprises:
Supercooling apparatus, is positioned at described heating clamber and is in a distance above described first heat-exchanger rig, is configured to carry out condensation to the remainder through described first heat-exchanger rig in described gaseous heat-transfer medium.
5. heat-pump water heater according to claim 4, is characterized in that,
Described supercooling apparatus has the water inlet flowed into for described healed water and the delivery port flowed out for described healed water, and the delivery port of described supercooling apparatus utilizes connecting water pipe to be connected to the water inlet of described first heat-exchanger rig.
6. heat-pump water heater according to claim 5, is characterized in that, described supercooling apparatus and described first heat-exchanger rig include:
Many bending tubes, bending tube described in every root bends from its upper end and extends to its lower end in its corresponding perpendicular, and the multiple perpendicular parallel interval ground residing for many described bending tubes are arranged.
7. heat-pump water heater according to claim 6, is characterized in that, described in every root, bending tube comprises:
Multiple straight length, the compartment of terrain that is parallel to each other is arranged, and each described straight length extends in the horizontal direction; With
Multiple bend loss, is configured to connect every two adjacent described straight lengths respectively.
8. heat-pump water heater according to claim 7, is characterized in that, described supercooling apparatus and described first heat-exchanger rig all also comprise:
First header, the upper end of bending tube described in every root is installed on described first header; With
Second header, the lower end of bending tube described in every root is installed on described second header; And
First header of described supercooling apparatus is configured to make healed water enter every root bending tube of described supercooling apparatus, and the second header of described supercooling apparatus is configured to receive the healed water from every root bending tube of described supercooling apparatus;
Second header of described first heat-exchanger rig is configured to make healed water enter every root bending tube of described first heat-exchanger rig, and the first header of described first heat-exchanger rig is configured to receive the healed water from every root bending tube of described first heat-exchanger rig.
9. heat-pump water heater according to claim 7, is characterized in that, described first heat-exchanger rig and described supercooling apparatus all also comprise:
Multiple fin, corresponding parallel interval is arranged to form fins set, and each described fin vertically extends, and is installed on bending tube described in every root.
10. heat-pump water heater according to claim 1, is characterized in that, also comprises:
Vavuum pump, is configured to make described heating clamber have described predetermined vacuum level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182100.0U CN204963193U (en) | 2015-03-27 | 2015-03-27 | Heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182100.0U CN204963193U (en) | 2015-03-27 | 2015-03-27 | Heat pump water heater |
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| Publication Number | Publication Date |
|---|---|
| CN204963193U true CN204963193U (en) | 2016-01-13 |
Family
ID=55058255
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|---|---|---|---|
| CN201520182100.0U Active CN204963193U (en) | 2015-03-27 | 2015-03-27 | Heat pump water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152505A (en) * | 2015-03-27 | 2016-11-23 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump water heater |
| CN113227701A (en) * | 2018-12-18 | 2021-08-06 | 微软技术许可有限责任公司 | Weighing method steam chamber and heat pipe feeding using radiation heating |
-
2015
- 2015-03-27 CN CN201520182100.0U patent/CN204963193U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152505A (en) * | 2015-03-27 | 2016-11-23 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump water heater |
| CN106152505B (en) * | 2015-03-27 | 2022-04-22 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump water heater |
| CN113227701A (en) * | 2018-12-18 | 2021-08-06 | 微软技术许可有限责任公司 | Weighing method steam chamber and heat pipe feeding using radiation heating |
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