CN201715775U - Air-source heat pump air conditioner - Google Patents
Air-source heat pump air conditioner Download PDFInfo
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- CN201715775U CN201715775U CN2010202524047U CN201020252404U CN201715775U CN 201715775 U CN201715775 U CN 201715775U CN 2010202524047 U CN2010202524047 U CN 2010202524047U CN 201020252404 U CN201020252404 U CN 201020252404U CN 201715775 U CN201715775 U CN 201715775U
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- defrosting
- type condenser
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- 238000010257 thawing Methods 0.000 claims abstract description 71
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 239000003507 refrigerant Substances 0.000 abstract description 20
- 238000004378 air conditioning Methods 0.000 abstract description 10
- 238000004781 supercooling Methods 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The utility model provides an air-source heat pump air conditioner, and belongs to the field of air conditioning equipment. The air-source heat pump air conditioner comprises a compressor, an air-liquid separator and a four-way reversing valve, a defrosting condenser and an evaporator in series connection with each other, wherein the four-way reversing valve is communicated with the compressor, the air-liquid separator, the defrosting condenser and the evaporator; the defrosting condenser comprises two heat exchange circulating pipes, one of the which has one end thereof connected with the four-way reversing valve and the other end thereof connected with a second non-return valve; and the other heat exchange circulating pipe has one end thereof connected with the evaporator through a first non-return valve and the other end thereof connected with a second electromagnetic valve. The air-source heat pump air conditioner can heat the defrosting condenser through the waste heat of the condensed refrigerant of the heat exchange circuiting pipe that flows through the defrosting condenser when the air conditioner generates heat, improves the frosting resistant capacity of the defrosting condenser, the degree of supercooling of the refrigerant and the energy efficiency ratio of the unit, and solves the problem that the defrosting is different and time-consuming and has an impact on normal heating during heating process of the air conditioner.
Description
Technical field
The utility model belongs to the air-conditioning equipment field, relates in particular to a kind of air source heat pump air-conditioner device.
Background technology
At present heat pump air conditioner is when heating operation, appearance frosting even icing phenomenon that its external heat exchangers all can be in various degree.When addressing this problem according to prior art mainly by electrical heating defrosting and hot-gas bypass defrosting.
Electrical heating method is the signal source that provides by the time relay or outdoor coil pipe used temperature-sensing probe, under the effect of central controller, regularly or not timing utilize electrically heated method to the outdoor heat exchanger ice-melt that defrosts, though the electrical heating defrosting can guarantee indoor heating stability, but its efficiency is big, fragile, has also influenced the stability that air-conditioner uses greatly.
The hot-gas bypass defrosting is the Defrost mode that present air-conditioner adopts mostly.It transfers pattern to refrigerating operaton by shutting down back conversion four-way change-over valve, stops the indoor fan operation, and in defrost process, air-conditioning stops heating operation.Therefore the hot-gas bypass defrosting has obviously influenced the heating effect of room conditioning, can't guarantee the continuity that air-conditioning heats simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of air source heat pump air-conditioner device, grows, influences problems such as air-conditioning normally heats to solve defrost difficult, defrosting time of existing air-conditioning in the process of heating, and guarantees the reliability and stability that room conditioning heats.
The utility model for the technical scheme that solution prior art problem is adopted is: a kind of air source heat pump air-conditioner device, compressor, gas-liquid separator and the four-way change-over valve, defrosting type condenser, the evaporimeter that comprise mutual serial connection, described four-way change-over valve is communicated with described compressor, gas-liquid separator, defrosting type condenser and evaporimeter respectively, described defrosting type condenser comprises two heat exchange circulation pipes, wherein one one end links to each other with four-way change-over valve, and an other end links to each other with second check valve; Another end links to each other with evaporimeter by first check valve, and an other end links to each other with second magnetic valve.
Further, the described first check valve two ends also are provided with a bypass pipe road, are serially connected with first magnetic valve and first heating power expansion valve on this pipeline in regular turn.
Further, the utility model also comprises one second heating power expansion valve, and described second heating power expansion valve, one end links to each other with defrosting type condenser, and an other end links to each other with second magnetic valve.
Further, on described defrosting type condenser and the pipeline that evaporimeter is connected, also be provided with device for drying and filtering, the other end of described second check valve links to each other with device for drying and filtering.
A kind of air source heat pump air-conditioner device that the utility model provides, give the heating of defrosting type condenser by the condensed cold-producing medium waste heat that when air-conditioning heats, flows through a heat exchange circulation pipe of defrosting type condenser, improved the degree of supercooling and the unit eer of strong frosting resistance ability of defrosting type condenser and cold-producing medium, made it more energy-conservation, safe, stable.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, a kind of air source heat pump air-conditioner device that the utility model provides, compressor 1, gas-liquid separator 9 and the four-way change-over valve 2, defrosting type condenser 3, the evaporimeter 8 that comprise mutual serial connection, described four-way change-over valve 2 is communicated with described compressor 1, gas-liquid separator 9, defrosting type condenser 3 and evaporimeter 8 respectively, described defrosting type condenser 3 comprises two heat exchange circulation pipes, wherein one one end first interface 31 links to each other with four-way change-over valve 2, and an other end second interface 32 links to each other with second check valve 4; Another end the 3rd interface 33 links to each other with evaporimeter 8 by first check valve 13, and an other end the 4th interface 34 links to each other with second magnetic valve 12.When the air source heat pump air-conditioner device is worked under the air-conditioning heating mode, compressor 1 is linked to each other with evaporimeter 8, defrosting type condenser 3 links to each other with gas-liquid separator 9, acting by compressor 1 is carried out heat exchange by four-way change-over valve 2 inflow evaporators 8 with room air cold-producing medium is become the gas of HTHP by the gas of low-temp low-pressure after, indoor temperature raises after the heat exchange, has reached the effect that heats.Then cold-producing medium flows to defrosting type condenser 3 by first check valve 13, first check valve 13 makes has only the cold-producing medium that flows out from evaporimeter 8 to flow to defrosting type condenser 3 through it, cold-producing medium passes through 34 sections heat exchange circulation pipes of the 3rd interface 33 to the 4th interfaces of defrosting type condenser 3 successively, 31 sections heat exchange circulation pipes of second interface, 32 to first interfaces of second magnetic valve 12 and defrosting type condenser 3, second magnetic valve 12 makes cold-producing medium from flowing to second interface 32 of defrosting type condenser 3 after the 4th interface 34 of defrosting type condenser 3 flows out, because through the cold-producing medium of 34 sections heat exchange circulation pipes of the 3rd interface 33 to the 4th interfaces of defrosting type condenser 3 are the cold-producing mediums that carry out having become after the heat exchange normal temperature liquid state with room air, it has certain waste heat, can heat and then improve the frosting resistance ability of defrosting type condenser 3 to 32 sections heat exchange circulation pipes of first interface, 31 to second interfaces of defrosting type condenser 3, be lower than zero degree even enter the refrigerant temperature of second interface 32 of defrosting type condenser 3, cause defrosting type condenser 3 to have part the frosting phenomenon to occur, the normal temperature cold-producing medium of first interface 31 that also can be by entering defrosting type condenser 3 is to its defrost.Last cold-producing medium flows through and flows back to compressor 1 behind four-way change-over valve 2 and the gas-liquid separator 9 and carry out the next round circulation.In addition, the effect lower compression machine 1 at four-way change-over valve 2 when the air source heat pump air-conditioner device is worked under the air conditioner refrigerating pattern links to each other with defrosting type condenser 3, and evaporimeter 8 links to each other with gas-liquid separator 9.Acting by compressor 1 is become cold-producing medium first interface 31 that flows into defrosting type condensers 3 behind the gas of HTHP by four-way change-over valve 2 by the gas of low-temp low-pressure, entering the high temperature and high pressure gaseous refrigerant of defrosting type condenser 3 and outdoor air carries out heat exchange liquefy cold-producing medium and flows out from second interface 32 of defrosting type condenser 3, flow to evaporimeter 8 through second check valve 4, second check valve 4 makes has only the cold-producing medium that flows out from second interface 32 of defrosting type condenser 3 to flow to evaporimeter 8 through it, in the process that flows through evaporimeter 8, cold-producing medium and room air carry out heat exchange, the heat that absorbs room air reaches the purpose that reduces room temperature, and then cold-producing medium flows through and flows back to compressor 1 behind the gas-liquid separator 9 and carry out the next round circulation.
Referring to Fig. 1, the utility model first check valve 13 two ends also are provided with a bypass pipe road, are serially connected with first magnetic valve 6 and first heating power expansion valve 7 on this pipeline in regular turn.The bypass at described first check valve 13 two ends makes air source heat pump air-conditioner device work schedule cryogen under the air conditioner refrigerating pattern enter first heating power expansion valve, 7 back inflow evaporators 8 and to carry out heat exchange with room air by first magnetic valve 6, in order to reach the purpose of refrigeration, cold-producing medium need become the liquid state of low-temp low-pressure and carry out heat exchange with indoor air, and the effect of first heating power expansion valve 7 in this bypass is promptly carried out throttling to cold-producing medium, make it become the liquid refrigerant of low-temp low-pressure, the liquid refrigerant of this low-temp low-pressure enters behind the evaporimeter 8 and indoor air carries out heat exchange, make indoor temperature reduce, further reach the purpose of refrigeration.
More specifically, the utility model also comprises one second heating power expansion valve 11, described second heating power expansion valve, 11 1 ends link to each other with defrosting type condenser 3, an other end links to each other with second magnetic valve 12, when the air source heat pump air-conditioner device is worked under the air-conditioning heating mode, when the cold-producing medium that the 4th interface 34 of process defrosting type condenser 3 flows out enters second heating power expansion valve 11 through second magnetic valve 12, become the gaseous refrigerant of low-temp low-pressure at the cold-producing medium of the following normal temperature and pressure of throttling action of second heating power expansion valve 11, the gaseous refrigerant of this low-temp low-pressure can carry out heat exchange with outdoor air enter the inside of defrosting type condenser 3 through second interface 32 of defrosting type condenser 3 after, this moment cold-producing medium absorption chamber outer air heat, simultaneously it has absorbed the heat that the cold-producing medium in 34 sections heat exchange circulation pipes of the 3rd interface 33 to the 4th interfaces of defrosting type condenser 3 brings, whole defrosting condenser 3 temperature are improved to some extent, have strengthened the frosting resistance ability of defrosting type condenser 3.
More specifically, on defrosting type condenser 3 and the pipeline that evaporimeter 8 is connected, also be provided with device for drying and filtering 5, described second check valve, 4 other ends link to each other with device for drying and filtering 5, make the cold-producing medium of flowing through between defrosting type condenser 3 and the evaporimeter 8 to carry out dry filter to it, can further improve defrosting effect by device for drying and filtering 5.
Adopt the air source heat pump air-conditioner device in the utility model, its concrete course of work is as follows:
(1) under the air-conditioning heating mode, after the air source heat pump air-conditioner device is connected power supply, second magnetic valve 12 is opened, first magnetic valve 6 cuts out, the 5th interface 21 of four-way change-over valve 2 is communicated with the 7th interface 23, the 6th interface 22 is communicated with the 8th interface 24, compressor 1 brings into operation, by compressor 1 acting, after cold-producing medium become the gas of HTHP by the gas of low-temp low-pressure, flow to the 5th interface 21 of four-way change-over valve 2, enter evaporimeter 8 via the 7th interface 23 of four-way change-over valve 2 and carry out heat exchange with room air.Room air carries out heat exchange with the gaseous refrigerant of HTHP under the drive of blower fan 14, in heat transfer process, and the cold-producing medium release heat, the condensation of refrigerant of gaseous state becomes the normal temperature liquid refrigerant, and room air absorbs heat, and indoor temperature raises.After the heat exchange, cold-producing medium under the driving of pressure through first check valve 13, flow to device for drying and filtering 5, device for drying and filtering 5 is with the cold-producing medium drying with after filtering, cold-producing medium enters the 3rd interface 33 of defrosting type condenser 3, when cold-producing medium is flowed through 34 sections heat exchange circulation pipes of the 3rd interface 33 to the 4th interfaces of defrosting type condenser 3, the cold-producing medium in 31 sections heat exchange circulation pipes of second interface, 32 to first interfaces of defrosting type condenser 3 is heated, through after the heat exchange, cold-producing medium release heat in 34 sections heat exchange circulation pipes of the 3rd interface 33 to the 4th interfaces of defrosting type condenser 3, temperature reduces, degree of supercooling increases, and operation of heat pump efficient increases.After cold-producing medium flows out from the 4th interface 34 of defrosting type condenser 3, it enters the second heating power expansion valve 11 by second magnetic valve 12, second heating power expansion valve 11 carries out throttling with cold-producing medium, makes its gaseous refrigerant that becomes low-temp low-pressure, and flows into second interface 32 of defrosting type condenser 3.Under the drive of fan 10, outdoor air gaseous refrigerant continuous and low-temp low-pressure carries out heat exchange, in heat transfer process, the heat of cold-producing medium absorption chamber outer air, constantly absorb the heat that brings by the cold-producing medium in 34 sections heat exchange circulation pipes of the 3rd interface 33 to the 4th interfaces of defrosting type condenser 3 simultaneously, so defrosting type condenser 3 temperature there has been raising to a certain degree.Even outdoor temperature is very low, the refrigerant temperature that enters second interface 32 of defrosting type condenser 3 is lower than zero degree, cause defrosting type condenser 3 to have when partly frosting occurring, also can be by the normal temperature cold-producing medium in 34 sections heat exchange circulation pipes of the 3rd interface 33 to the 4th interfaces of defrosting type condenser 3 to its defrost, the stability and the security of the operation of assurance system.After 3 heat exchange of cold-producing medium process defrosting type condenser, the cryogenic gaseous cold-producing medium flows back to compressor 1 and carries out the next round circulation again by the 6th interface 22, the 8th interface 24 and the gas-liquid separator 9 of four-way change-over valve 2.
(2) under the air conditioner refrigerating pattern, after the air source heat pump air-conditioner device is connected power supply, second magnetic valve 12 cuts out, first magnetic valve 6 is opened, the 5th interface 21 of four-way change-over valve 2 is communicated with the 6th interface 22, the 7th interface 23 is communicated with the 8th interface 24, compressor 1 brings into operation, by compressor 1 acting, after cold-producing medium become the gas of HTHP by the gas of low-temp low-pressure, flow to the 5th interface 21 of four-way change-over valve 2, flow into first interface 31 of defrosting type condenser 3 by the 6th interface 22 of four-way change-over valve 2.Under the drive of fan 10, the gaseous refrigerant of outdoor air and HTHP carries out heat exchange, in heat transfer process, the cold-producing medium release heat, the condensation of refrigerant of gaseous state becomes liquid refrigerant, and flow through second check valve 4, device for drying and filtering 5, first magnetic valve 6, the first heating power expansion valve 7 successively by second interface 32 of defrosting type condenser 3,5 pairs of cold-producing medium dry filters of device for drying and filtering, 7 pairs of cold-producing mediums of first heating power expansion valve carry out throttling, make it become the liquid refrigerant of low-temp low-pressure, then, cold-producing medium enters evaporimeter 8 and carries out heat exchange with room air.Room air carries out heat exchange with the gaseous refrigerant of low-temp low-pressure under the drive of blower fan 14, in heat transfer process, cold-producing medium absorbs heat, and temperature raises, the room air release heat, and room temperature reduces.Through after the heat exchange, gaseous refrigerant flows back to compressor 1 and carries out the next round circulation again by the 7th interface 23, the 8th interface 24 and the gas-liquid separator 9 of four-way change-over valve 2.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. air source heat pump air-conditioner device, compressor, gas-liquid separator and the four-way change-over valve, defrosting type condenser, the evaporimeter that comprise mutual serial connection, described four-way change-over valve is communicated with described compressor, gas-liquid separator, defrosting type condenser and evaporimeter respectively, it is characterized in that: described defrosting type condenser comprises two heat exchange circulation pipes, wherein one one end links to each other with four-way change-over valve, and an other end links to each other with second check valve; Another end links to each other with evaporimeter by first check valve, and an other end links to each other with second magnetic valve.
2. a kind of air source heat pump air-conditioner device as claimed in claim 1 is characterized in that: the described first check valve two ends, also be provided with a bypass pipe road, and be serially connected with first magnetic valve and first heating power expansion valve on this pipeline in regular turn.
3. a kind of air source heat pump air-conditioner device as claimed in claim 2 is characterized in that: also comprise one second heating power expansion valve, described second heating power expansion valve, one end links to each other with defrosting type condenser, and an other end links to each other with second magnetic valve.
4. as claim 1 or 2 or 3 described a kind of air source heat pump air-conditioner devices, it is characterized in that: on described defrosting type condenser and the pipeline that evaporimeter is connected, also be provided with device for drying and filtering, the other end of described second check valve links to each other with device for drying and filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202524047U CN201715775U (en) | 2010-07-07 | 2010-07-07 | Air-source heat pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202524047U CN201715775U (en) | 2010-07-07 | 2010-07-07 | Air-source heat pump air conditioner |
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| Publication Number | Publication Date |
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| CN201715775U true CN201715775U (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202524047U Expired - Fee Related CN201715775U (en) | 2010-07-07 | 2010-07-07 | Air-source heat pump air conditioner |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277934A (en) * | 2013-05-07 | 2013-09-04 | 黄山特耐电气有限公司 | Air conditioner and water heater all-in-one machine |
| CN103615838A (en) * | 2013-12-05 | 2014-03-05 | 中国扬子集团滁州扬子空调器有限公司 | Refrigeration/heating system with inside and outside heat exchanger volume ratio variable |
| CN103673138A (en) * | 2013-12-27 | 2014-03-26 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN104776657A (en) * | 2014-01-11 | 2015-07-15 | 苏州恒兆空调节能科技有限公司 | Defrosting device, defrosting method and air conditioner provided with defrosting device |
| CN105588377A (en) * | 2014-11-10 | 2016-05-18 | 海信（山东）空调有限公司 | Air conditioning equipment |
| CN109869954A (en) * | 2017-12-05 | 2019-06-11 | 青岛经济技术开发区海尔热水器有限公司 | Air source heat pump water heater and defrosting method thereof |
| CN110513928A (en) * | 2019-09-16 | 2019-11-29 | 山东普艾迪新能源有限公司 | A kind of air heat source pump defroster and method |
| CN111412701A (en) * | 2020-03-27 | 2020-07-14 | 代秀平 | High-pressure waste heat defrosting system of air source heat pump |
| CN111426090A (en) * | 2020-03-24 | 2020-07-17 | 青岛海尔空调电子有限公司 | Control device, air-conditioning heat pump system and control method thereof |
| CN112229116A (en) * | 2020-10-15 | 2021-01-15 | 珠海格力电器股份有限公司 | Air source heat pump unit defrosting control method and device and air conditioning system |
| WO2023165638A1 (en) * | 2022-03-02 | 2023-09-07 | 广州瑞姆节能设备有限公司 | Air source heat pump unit having de-icing structure |
| CN117091319A (en) * | 2023-07-17 | 2023-11-21 | 浙江零跑科技股份有限公司 | Defrosting method of vehicle heat pump system and vehicle heat pump system |
| CN119436602A (en) * | 2024-12-11 | 2025-02-14 | 珠海格力电器股份有限公司 | A refrigerant control flow path, air conditioning system and control method |
-
2010
- 2010-07-07 CN CN2010202524047U patent/CN201715775U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277934A (en) * | 2013-05-07 | 2013-09-04 | 黄山特耐电气有限公司 | Air conditioner and water heater all-in-one machine |
| CN103615838A (en) * | 2013-12-05 | 2014-03-05 | 中国扬子集团滁州扬子空调器有限公司 | Refrigeration/heating system with inside and outside heat exchanger volume ratio variable |
| CN103673138A (en) * | 2013-12-27 | 2014-03-26 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN103673138B (en) * | 2013-12-27 | 2016-09-21 | Tcl空调器(中山)有限公司 | Air-conditioner and control method thereof |
| CN104776657A (en) * | 2014-01-11 | 2015-07-15 | 苏州恒兆空调节能科技有限公司 | Defrosting device, defrosting method and air conditioner provided with defrosting device |
| CN105588377A (en) * | 2014-11-10 | 2016-05-18 | 海信（山东）空调有限公司 | Air conditioning equipment |
| CN109869954A (en) * | 2017-12-05 | 2019-06-11 | 青岛经济技术开发区海尔热水器有限公司 | Air source heat pump water heater and defrosting method thereof |
| CN110513928A (en) * | 2019-09-16 | 2019-11-29 | 山东普艾迪新能源有限公司 | A kind of air heat source pump defroster and method |
| CN111426090A (en) * | 2020-03-24 | 2020-07-17 | 青岛海尔空调电子有限公司 | Control device, air-conditioning heat pump system and control method thereof |
| CN111412701A (en) * | 2020-03-27 | 2020-07-14 | 代秀平 | High-pressure waste heat defrosting system of air source heat pump |
| CN112229116A (en) * | 2020-10-15 | 2021-01-15 | 珠海格力电器股份有限公司 | Air source heat pump unit defrosting control method and device and air conditioning system |
| WO2023165638A1 (en) * | 2022-03-02 | 2023-09-07 | 广州瑞姆节能设备有限公司 | Air source heat pump unit having de-icing structure |
| CN117091319A (en) * | 2023-07-17 | 2023-11-21 | 浙江零跑科技股份有限公司 | Defrosting method of vehicle heat pump system and vehicle heat pump system |
| CN119436602A (en) * | 2024-12-11 | 2025-02-14 | 珠海格力电器股份有限公司 | A refrigerant control flow path, air conditioning system and control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN J + H INTELLIGENT ENERGY TECHNOLOGY CO., Free format text: FORMER NAME: SHENZHEN J+H HEAT PUMP AIR-CONDITIONER CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518110 Guangdong city of Shenzhen province Baoan District Guanlan Street Community Pavilion chapter Dafu Industrial Zone, Jiahua industrial area A4 Building 1 floor Patentee after: SHENZHEN J&H INTELLIGENT ENERGY TECHNOLOGY CO., LTD. Address before: 518055, No. two, No. 212, Nanshan District District, Taoyuan village, Shenzhen, Guangdong Patentee before: Shenzhen Zhuanghe Heat Pump Air-conditioning Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: SHENZHEN J&H INTELLIGENT ENERGY TECHNOLOGY Co.,Ltd. Document name: Notification of Termination of Patent Right |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20190707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |