CN102900659A - Control circuit for outdoor compressor of air-conditioner and air-conditioner - Google Patents
Control circuit for outdoor compressor of air-conditioner and air-conditioner Download PDFInfo
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- CN102900659A CN102900659A CN2011102112046A CN201110211204A CN102900659A CN 102900659 A CN102900659 A CN 102900659A CN 2011102112046 A CN2011102112046 A CN 2011102112046A CN 201110211204 A CN201110211204 A CN 201110211204A CN 102900659 A CN102900659 A CN 102900659A
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- compressor
- control circuit
- air conditioner
- latching relay
- magnetic latching
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- 238000004378 air conditioning Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004821 Contact adhesive Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
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Abstract
The invention provides a control circuit for an outdoor compressor of an air-conditioner and an air-conditioner. The control circuit comprises a power source (30), a main controller (70) and a magnetic maintaining type control circuit (10), the main controller (70) is used for sending positive/reverse pulses within continuous preset time, and the magnetic maintaining type control circuit (10) is connected with the main controller (70) to receive the positive/reverse pulses and further connected between the power source (30) and the compressor (50) to control stopping and operating of the compressor (50) according to the received positive/reverse pulses. A magnetic maintaining relay substitutes an alternating-current contactor for operation to control starting and stopping of the compressor or the motor, an electromagnetic coil of the relay is zero in power consumption and long in service life, and energy conservation and consumption reduction are achieved as the coil is free of electric energy consumption. Further, cost is reduced, efficient energy saving is realized, and environment protection is facilitated.
Description
Technical field
The present invention relates to filed of air conditioning, relate in particular to a kind of control circuit and air conditioner of outdoor compressor of air conditioner.
Background technique
The single phase alternating current compressor electric motor forms by a rotor with by the stator that main winding and auxiliary winding consists of usually.Secondary winding wherein also can continue to work when motor normally moves except the electrizer priming, so the secondary winding circuit of complete load motor can be represented by secondary winding operation circuit and the secondary winding starting circuit of parallel connection usually.When motor normally moved, the motor that secondary winding is not worked did not then have secondary winding operation circuit part wherein, and secondary winding starting circuit part is wherein only worked when electric motor starting, needs behind the electric motor starting to realize disconnecting.
Common A.C. contactor control compressor, according to the working principle of A.C. contactor, after powering on, master controller sends a signal to outdoor unit, the ac contactor coil two ends get electric (220V interchange), the normally opened contact of the first port C of access compressor is closed, compressor starts startup work, at this moment, on the ac contactor coil always electric, consume electric energy, " drone drone " electromagnetic noise sound is arranged simultaneously, original control mode such as Fig. 1.
At present, domestic air conditioning outdoor compressor control circuit adopts common A.C. contactor control, ac contactor coil will be in the energising all the time in the working procedure, there is electric current to pass through on its coil, if ac contactor coil resistance is R, according to W=(U2/R) * t, consuming a large amount of electric energy W on the coil will increase with the increase of service time, cause the unnecessary wasting of resources, also will produce electromagnetic noise simultaneously; In addition, A.C. contactor normally opened contact Operating In Persistent Current Mode is instantaneous, closed noise sound occurs, affects the complete machine noise performance.
In the prior art, there are energy loss that common ac contactor control circuit realizes that the control of outdoor compressor of air conditioner brings and the problem of operating noise, for this problem, not yet propose at present effective solution.
Summary of the invention
The present invention aims to provide control circuit and the air conditioner of outdoor compressor of air conditioner, realizes the energy loss that control was brought of outdoor compressor of air conditioner and the problem of operating noise with common ac contactor control circuit in the solution prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of control circuit of outdoor compressor of air conditioner.The control circuit of outdoor compressor of air conditioner provided by the invention comprises power supply, also comprises: master controller, be used for to send continue the scheduled time just/back pulse; And magnetic freeze mode control circuit, be connected with master controller, just be used for to receive/back pulse, and magnetic freeze mode control circuit also is connected between power supply and the compressor, be used for according to receive just/the stopping and operation of back pulse control compressor.
Further, magnetic freeze mode control circuit is magnetic latching relay.
Further, magnetic latching relay comprises the coil control end, connects the pulse output end of master controller, is used for according to received pulse the magnetic force systems work of control magnetic latching relay.
Further, magnetic latching relay comprises the Pulse-trigger control end, is connected between coil control end and the pulse output end, is used for time and the direction of control trigger impulse.
Further, magnetic latching relay comprises: normally opened contact, and the first port of connection compressor is used for when air-conditioning is opened, and normally opened contact is closed under the control of magnetic latching relay, makes compressor and power connection.
Further, magnetic latching relay comprises: the first conductive insert is connected between normally opened contact and the first port.
Further, magnetic latching relay comprises: normally-closed contact, and the heat tape of connection compressor, for before the starting of air conditioner, this heat tape moves heating automatically.
Further, magnetic latching relay comprises: the second conductive insert is connected between normally-closed contact and the heat tape.
According to another aspect of the present invention, provide a kind of air conditioner, and by the following technical solutions:
A kind of air conditioner provided by the invention comprises the control circuit of above-mentioned outdoor compressor of air conditioner.
Technological scheme of the present invention, select magnetic latching relay to replace A.C. contactor work, the start-stop of control compressor or motor, electromagnetic coil relay is low in energy consumption, long service life, will be without power consumption on the coil, reach energy-saving and cost-reducing purpose, simultaneously also can reduce cost, realize energy-efficient, be beneficial to environmental protection.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.The below is with reference to figure, and the present invention is further detailed explanation.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the circuit connecting relation schematic diagram of the A.C. contactor control compressor of the background technique according to the present invention;
Fig. 2 shows the structural representation according to the control circuit of the outdoor compressor of air conditioner of the embodiment of the invention one;
Fig. 3 shows the schematic appearance according to the control circuit of the outdoor compressor of air conditioner of the embodiment of the invention two; And
Fig. 4 shows the principle schematic according to the control circuit of the outdoor compressor of air conditioner of the embodiment of the invention three.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 2 shows the structural representation according to the control circuit of the outdoor compressor of air conditioner of the embodiment of the invention one.
Referring to shown in Figure 2, the control circuit of outdoor compressor of air conditioner comprises power supply 30, also comprises: master controller 70, master controller 70 be used for sending continue the scheduled time just/back pulse; And magnetic freeze mode control circuit 10, magnetic freeze mode control circuit 10 is connected with master controller 70, be used for just receiving/back pulse, and magnetic freeze mode control circuit 10 also is connected between power supply 30 and the compressor 50, thus be used for according to receive just/the stopping and operation of back pulse control magnetic pulse relay work control compressor 50.
Technique scheme, by magnetic freeze mode control circuit 10 control compressors 50, when air-conditioning is opened energising, master controller 70 sends a trigger impulse and connects magnetic freeze mode control circuit 10, its inner magnet steel magnetization of pulse triggering produces magnetic force, traction movable contact adhesive stationary contact, this moment, compressor 50 is connected, and compressor 50 operations are after a period of time, pulse disappears, but the working principle that keeps electrical equipment according to magnetic, the magnetic force lower contact that this moment, make contact produced at magnet steel will be always closed, when machine 50 to be compressed need not work, master controller 70 is given a rightabout pulse again, so that produce the pulse magnetic flux opposite with the magnet steel flow direction in the magnetic circuit loop, when this pulse magnetic flux equaled the magnet steel magnetic flux, pulse magnetic flux and magnet steel magnetic flux interacted, offset magnetic force, so that movable contact discharges, normally opened contact disconnects, and compressor 50 quits work.
Fig. 3 shows the schematic appearance according to the control circuit of the outdoor compressor of air conditioner of the embodiment of the invention two.
Alternatively, magnetic freeze mode control circuit 10 is magnetic latching relay 1.Specifically referring to shown in Figure 3, magnetic latching relay 1 comprises coil control end (not shown), and the coil control end connects the pulse output end of master controller 70, is used for according to received pulse the magnetic force systems work of control magnetic latching relay 1.Magnetic latching relay 1 also comprises Pulse-trigger control end 4, is connected between coil control end and the pulse output end, is used for time and the direction of control trigger impulse.Magnetic latching relay 1 comprises: normally opened contact 2, and the first port C of connection compressor is used for when air-conditioning is opened, and normally opened contact 2 connects compressor 50 and power supply 30 under the control of magnetic latching relay 1.Magnetic latching relay 1 also comprises: the first conductive insert is connected between normally opened contact 2 and the first port C.Magnetic latching relay 1 also is provided for the mounting hole 5 fixed in addition, magnetic latching relay 1 can be installed on compressor 50 or other facility by mounting hole 5.
Alternatively, magnetic latching relay 1 comprises: normally-closed contact 3, and the heat tape of connection compressor 50, for before the starting of air conditioner, heat tape moves heating automatically.Magnetic latching relay 1 also comprises: the second conductive insert is connected between normally-closed contact 3 and the heat tape.
Fig. 4 shows the principle schematic according to the control circuit of the outdoor compressor of air conditioner of the embodiment of the invention three.
Concrete, referring to shown in Figure 4, the normally opened contact of magnetic latching relay 1 (not shown label 1 among Fig. 4) and normally-closed contact connect respectively the live wire end of power supply 30, simultaneously, magnetic latching relay 1 connects master controller 70, be used for receiving the positive and negative trigger impulse that master controller 70 sends, and according to the definite time t that continues of concrete needs, the normally opened contact 2 of magnetic latching relay 1 connects the first port C (public port) of compressor 50, and the normally-closed contact 3 of magnetic latching relay 1 connects the automatic electric-heating band EH of compressor 50.
In this kind control mode, the first port C of compressor is common port, is connected with the normally opened contact of magnetic latching relay 1, and heat tape EH is connected to the normally-closed contact 3 of magnetic latching relay.Before the starting of air conditioner, be connected with the heat tape EH of compressor 50 on the normally-closed contact 3 of magnetic latching relay 1, after working on power, heat tape EH moves heating automatically, this moment, air condition compressor 50 can not worked because giving magnetic latching relay 1 trigger impulse without master controller 70.After starting air-conditioning, master controller 70 transmitted orders are to the coil control end of magnetic latching relay 1, magnetic latching relay 1 coil leads to direct impulse time t1, magnetic circuit system work, magnetic latching relay 1 action, normally opened contact 2 closures, normally-closed contact 3 disconnects, compressor 50 or motor are started working, and the pre-thermocompressor of electric heating is complete, quits work.Coil leads to reverse impulse time t2, magnetic circuit system work, and normally opened contact 2 disconnects, normally-closed contact 3 closures, magnetic latching relay 1 involution, compressor 50 or motor (not shown) quit work.
Alternatively, compressor 50 can be without carrying heat tape EH, the first port C of compressor 50 is connected with the normally opened contact 2 of magnetic latching relay 1 in this control mode, and behind the startup air-conditioning, master controller 70 transmitted orders are to the coil control end of magnetic latching relay 1, magnetic latching relay 1 coil leads to direct impulse time t1, time t1 〉=30ms, magnetic circuit system work, normally opened contact 2 closures, magnetic latching relay 1 action, compressor 50 or motor are started working.Coil leads to reverse impulse time t2, time t2 〉=30ms, and magnetic circuit system work, normally opened contact 2 disconnects, magnetic latching relay 1 involution, compressor 50 or motor quit work.
Alternatively, common load motor also is applicable to this kind control mode, changes into behind the load motor control object in the above control mode controlled applicable too.
According to another aspect of the present invention, provide a kind of air conditioner, this air conditioner comprises the control circuit of above-mentioned outdoor compressor of air conditioner.
By technological scheme of the present invention, select magnetic latching relay 1 to replace A.C. contactor work, the start-stop of control compressor 50 or motor, because electromagnetic coil relay is low in energy consumption, long service life, will be without power consumption on the coil, reach energy-saving and cost-reducing purpose, simultaneously also can reduce cost, realize energy-efficient, be beneficial to environmental protection.
Economize on electricity summation: if original ac contactor coil resistance is R, according to W=U2/R * t, consuming a large amount of electric energy W on the coil will increase with the increase of service time, if used t hour in 1 year, W (kilowatt hour=degree)=U2/R * t * 10-3 (unit: U: volt then can economize on electricity, R: ohm, t: hour).
Illustrate: the air-conditioning normal operation uses calculating in 8 hours every day in summer in summer, winter, and calculated with 30 days January, continue to use 3 months, then summer altogether service time be: 8 * 30 * 3=720 hour; Winter, be service time altogether: 8 * 30 * 3=720, altogether be accumulated as 1440 hours two seasons, operating voltage is 220V, coil resistance is different because of different type of machines, this is take coil 1K ohm of the outer used A.C. contactor of machine of 72 machines as example, W=[(220 * 220 then)/1000] * 10-3 * 1440=69.696 kilowatt hour degree, the use power consumption that does not wherein comprise other season, then consume electric energy in two seasons and be=48.8 yuan of W=69.696 * 0.7 yuan/degree, expand the whole nation to, if all air-conditionings all use magnetic retainer control compressor, produce 1000 ten thousand calculating per year according to Gree company, annual but two seasons were just spent energy efficient W=69.696 degree * 1,000 ten thousand=69696000 frequently using air-conditioning, Y=69696000 * 0.7 yuan /=48787200 yuan (48,787,200 yuan whole) of degree of can reducing expenses altogether, have power savings advantages, can be simultaneously the national energy-saving reduction of discharging and contribute.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the control circuit of an outdoor compressor of air conditioner comprises power supply (30), it is characterized in that, also comprises:
Master controller (70), be used for to send continue the scheduled time just/back pulse; And
Magnetic freeze mode control circuit (10), be connected with described master controller (70), be used for receiving just described/back pulse, and described magnetic freeze mode control circuit (10) also is connected between described power supply (30) and the compressor (50), be used for according to receive just described/back pulse controls stopping and operation of described compressor (50).
2. the control circuit of outdoor compressor of air conditioner according to claim 1 is characterized in that, described magnetic freeze mode control circuit (10) is magnetic latching relay (1).
3. the control circuit of outdoor compressor of air conditioner according to claim 2, it is characterized in that, described magnetic latching relay (1) comprises the coil control end, the pulse output end that connects described master controller (70), be used for according to received pulse, control described magnetic latching relay (1) work.
4. the control circuit of outdoor compressor of air conditioner according to claim 3, it is characterized in that, described magnetic latching relay (1) also comprises Pulse-trigger control end (4), be connected between described coil control end and the described pulse output end, be used for the time of control trigger impulse and the direction of pulse.
5. the control circuit of outdoor compressor of air conditioner according to claim 2 is characterized in that, described magnetic latching relay (1) comprising:
Normally opened contact (2), the first port (C) that connects described compressor (50), be used for when described air-conditioning is opened, described normally opened contact (2) is closed under the control of described magnetic latching relay (1), and described compressor (50) and described power supply (30) are connected.
6. the control circuit of outdoor compressor of air conditioner according to claim 5 is characterized in that, described magnetic latching relay (1) also comprises:
The first conductive insert is connected between described normally opened contact (2) and described the first port (C).
7. the control circuit of outdoor compressor of air conditioner according to claim 2 is characterized in that, described magnetic latching relay (1) comprising:
Normally-closed contact (3) connects the heat tape of described compressor (50), be used for starting of air conditioner before, described heat tape moves heating automatically.
8. the control circuit of outdoor compressor of air conditioner according to claim 7 is characterized in that, described magnetic latching relay (1) also comprises:
The second conductive insert is connected between described normally-closed contact (3) and the described heat tape.
9. an air conditioner is characterized in that, comprises the control circuit of each described outdoor compressor of air conditioner in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110211204.6A CN102900659B (en) | 2011-07-26 | 2011-07-26 | The control circuit of outdoor compressor of air conditioner and air-conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110211204.6A CN102900659B (en) | 2011-07-26 | 2011-07-26 | The control circuit of outdoor compressor of air conditioner and air-conditioner |
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| Publication Number | Publication Date |
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| CN102900659A true CN102900659A (en) | 2013-01-30 |
| CN102900659B CN102900659B (en) | 2015-09-30 |
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| CN201110211204.6A Active CN102900659B (en) | 2011-07-26 | 2011-07-26 | The control circuit of outdoor compressor of air conditioner and air-conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005943A (en) * | 2013-02-27 | 2014-08-27 | 珠海格力电器股份有限公司 | Compressor control system and method and air conditioner |
| CN105864917A (en) * | 2016-03-31 | 2016-08-17 | 青岛海尔空调器有限总公司 | Outdoor unit of split type air conditioner |
| CN111140462A (en) * | 2020-01-09 | 2020-05-12 | 珠海格力电器股份有限公司 | Compressor preheating structure, control method and air conditioner |
| CN112810644A (en) * | 2019-11-15 | 2021-05-18 | 中车唐山机车车辆有限公司 | Midway parking mode air conditioner control circuit, control method and system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1553217A (en) * | 1976-08-31 | 1979-09-26 | Isovel Ltd | Refrigerating apparatus |
| SU802632A1 (en) * | 1979-03-23 | 1981-02-07 | Ордена Ленина И Ордена Трудовогокрасного Знамени Производственноеобъединение "Невский Завод" Им.B.И.Ленина | System for protecting compressor from surging |
| CN2391298Y (en) * | 1999-09-29 | 2000-08-09 | 温州利尔德继电器有限公司 | Switch type magnetic latching relay |
| CN201129820Y (en) * | 2007-09-04 | 2008-10-08 | 珠海格力电器股份有限公司 | Air conditioner |
| CN201345548Y (en) * | 2008-11-20 | 2009-11-11 | 河海大学常州校区 | Dynamic reactive power compensation intelligent composite switch |
| CN101635517A (en) * | 2009-08-21 | 2010-01-27 | 北京中科可来博电子技术有限公司 | Ultramicro power-consumption standby safety energy-saving controller |
| CN201523347U (en) * | 2009-09-22 | 2010-07-07 | 新疆特变（集团）有限公司 | Intelligent type combination switch |
| CN201853600U (en) * | 2010-11-08 | 2011-06-01 | 刘爱民 | Magnetic latching relay driven by motor |
| CN202140294U (en) * | 2011-07-26 | 2012-02-08 | 珠海格力电器股份有限公司 | Control circuit for air conditioner outdoor compressor and air conditioner |
-
2011
- 2011-07-26 CN CN201110211204.6A patent/CN102900659B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1553217A (en) * | 1976-08-31 | 1979-09-26 | Isovel Ltd | Refrigerating apparatus |
| SU802632A1 (en) * | 1979-03-23 | 1981-02-07 | Ордена Ленина И Ордена Трудовогокрасного Знамени Производственноеобъединение "Невский Завод" Им.B.И.Ленина | System for protecting compressor from surging |
| CN2391298Y (en) * | 1999-09-29 | 2000-08-09 | 温州利尔德继电器有限公司 | Switch type magnetic latching relay |
| CN201129820Y (en) * | 2007-09-04 | 2008-10-08 | 珠海格力电器股份有限公司 | Air conditioner |
| CN201345548Y (en) * | 2008-11-20 | 2009-11-11 | 河海大学常州校区 | Dynamic reactive power compensation intelligent composite switch |
| CN101635517A (en) * | 2009-08-21 | 2010-01-27 | 北京中科可来博电子技术有限公司 | Ultramicro power-consumption standby safety energy-saving controller |
| CN201523347U (en) * | 2009-09-22 | 2010-07-07 | 新疆特变（集团）有限公司 | Intelligent type combination switch |
| CN201853600U (en) * | 2010-11-08 | 2011-06-01 | 刘爱民 | Magnetic latching relay driven by motor |
| CN202140294U (en) * | 2011-07-26 | 2012-02-08 | 珠海格力电器股份有限公司 | Control circuit for air conditioner outdoor compressor and air conditioner |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005943A (en) * | 2013-02-27 | 2014-08-27 | 珠海格力电器股份有限公司 | Compressor control system and method and air conditioner |
| CN104005943B (en) * | 2013-02-27 | 2016-03-02 | 珠海格力电器股份有限公司 | The control system of compressor and method, air conditioner |
| CN105864917A (en) * | 2016-03-31 | 2016-08-17 | 青岛海尔空调器有限总公司 | Outdoor unit of split type air conditioner |
| CN112810644A (en) * | 2019-11-15 | 2021-05-18 | 中车唐山机车车辆有限公司 | Midway parking mode air conditioner control circuit, control method and system |
| CN112810644B (en) * | 2019-11-15 | 2022-07-26 | 中车唐山机车车辆有限公司 | Midway parking mode air conditioner control circuit, control method and system |
| CN111140462A (en) * | 2020-01-09 | 2020-05-12 | 珠海格力电器股份有限公司 | Compressor preheating structure, control method and air conditioner |
| CN111140462B (en) * | 2020-01-09 | 2021-05-25 | 珠海格力电器股份有限公司 | Compressor preheating structure, control method and air conditioner |
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| CN102900659B (en) | 2015-09-30 |
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Effective date of registration: 20160309 Address after: 050035 Zhujiang Road, high tech Zone, Hebei, Shijiazhuang, China, No. 252 Patentee after: GREE ELECTRIC APPLIANCES (SHIJIAZHUANG) Co.,Ltd. Address before: 519070, six, Jinji Road, Zhuhai, Guangdong, Zhuhai Patentee before: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI |