CN203279443U - Electric cabinet and air conditioner possessing same - Google Patents
Electric cabinet and air conditioner possessing same Download PDFInfo
- Publication number
- CN203279443U CN203279443U CN 201320272542 CN201320272542U CN203279443U CN 203279443 U CN203279443 U CN 203279443U CN 201320272542 CN201320272542 CN 201320272542 CN 201320272542 U CN201320272542 U CN 201320272542U CN 203279443 U CN203279443 U CN 203279443U
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- semiconductor
- radiator
- electric cabinet
- automatically controlled
- housing
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Abstract
The utility model discloses an electric cabinet and an air conditioner possessing the same. The electric cabinet comprises a shell, electrically controlled electric appliance elements, radiating devices and semiconductor radiators, wherein the electrically controlled electric appliance elements are arranged in the shell, and a predetermined distance is spaced between the electrically controlled electric appliance elements and one side wall of the shell, for example, the inner wall surface of a bottom wall; the radiating devices are arranged on the outer wall surface of one side wall of the shell, and the semiconductor radiators are arranged between the radiating devices and the electrically controlled electric appliance elements; each semiconductor radiator possesses a cold end and a hot end, and the hot ends of the semiconductor radiators are attached to the radiating devices respectively. The electric cabinet of the utility model enables the cooling effect on the electrically controlled electric appliance elements to be improved by being equipped with the semiconductor radiators.
Description
Technical field
The utility model relates to air-conditioning constructing technology field, especially relates to a kind of electric cabinet and has the air conditioner of this electric cabinet.
Background technology
Traditional air-conditioner outdoor machine electric control case generally adopts the air channel to coordinate heat abstractor, and heat abstractor has a plurality of radiating fins, and heat abstractor is close to or is close to the pcb board assembly of electric cabinet.But the radiator structure radiating effect of this traditional electric cabinet is undesirable, and the temperature of pcb board assembly is often higher, and this has directly affected the operating efficiency of pcb board assembly, even damages the pcb board assembly, has increased the working service cost of air-conditioning, poor practicability.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in prior art.
For this reason, a purpose of the present utility model is to propose a kind of electric cabinet, and this electric cabinet is provided with radiator for semiconductor, can improve the automatically controlled electric elements cooling effect of pcb board assembly for example.
Another purpose of the present utility model is to propose a kind of air conditioner, and this air conditioner has above-mentioned electric cabinet, and the electric cabinet heat dispersion of this air conditioner is good, and the automatically controlled electric elements life-span is long.
Electric cabinet according to the utility model first aspect embodiment comprises: housing; Automatically controlled electric elements, described automatically controlled electric elements are located in described housing, the internal face interval preset distance of a sidewall of described automatically controlled electric elements and described housing; Heat abstractor, described heat abstractor are located on the outside wall surface of a described sidewall of described housing; And radiator for semiconductor, described radiator for semiconductor is located between described heat abstractor and described automatically controlled electric elements, and the described hot junction that described radiator for semiconductor has cold junction and hot junction and described radiator for semiconductor is fitted on described heat abstractor.
According to the electric cabinet of the utility model embodiment, by being set, radiator for semiconductor can improve cooling effect to automatically controlled electric elements, fully reduce the temperature of automatically controlled electric elements, avoid automatically controlled electric elements to cause temperature to exceed because heat radiation is untimely and damage.Simultaneously, the hot junction that heat abstractor is located at radiator for semiconductor also can be in time sheds the heat in hot junction, further improves the cooling effect to automatically controlled electric elements.
In addition, according to the electric cabinet of the utility model embodiment, can also have following additional technical feature:
Be formed with opening on a described sidewall of described housing, the described cold junction of described radiator for semiconductor is positioned at described opening part.
Be provided with encapsulant between described radiator for semiconductor and described opening.Like this, improved the waterproof and dustproof performance of electric cabinet.
The described cold junction of described radiator for semiconductor is fitted on the outside wall surface of a described sidewall of described housing.
Be provided with the first thermal conductive material layer between a described sidewall of the described cold junction of described radiator for semiconductor and described housing.Like this, increased heat-transfer effect.
Described heat abstractor comprises pedestal and radiating fin, and the upper surface of described pedestal is provided with mounting groove, and described radiator for semiconductor is fixed in described mounting groove, and described radiating fin is located at the lower surface of described pedestal.
Be provided with the second thermal conductive material layer between the described hot junction of described radiator for semiconductor and described mounting groove.Like this, increased heat-transfer effect.
Described radiator for semiconductor is a plurality of and spaced apart along the length direction of described automatically controlled electric elements.Like this, improved cooling effect to automatically controlled electric elements.
Described electric cabinet also comprises radiator fan, the contiguous described heat abstractor setting of described radiator fan.Like this, further improved the cooling effect to automatically controlled electric elements.
According to the air conditioner of the utility model second aspect embodiment, comprise the electric cabinet that is used for air conditioner according to the utility model first aspect embodiment.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the partial schematic diagram according to the electric cabinet of an embodiment of the utility model;
Fig. 2 is the partial schematic diagram according to the electric cabinet of another embodiment of the utility model;
Fig. 3 is the enlarged drawing that Fig. 2 centre circle shows A section;
Fig. 4 is the schematic diagram according to the electric cabinet of an embodiment of the utility model;
Fig. 5 is the schematic diagram according to the electric cabinet of an embodiment of the utility model.
Description of reference numerals:
Automatically controlled electric elements 2, pcb board 21;
Radiator for semiconductor 4, the cold junction 41 of radiator for semiconductor, the hot junction 42 of radiator for semiconductor;
Encapsulant 5;
The first thermal conductive material layer 71, the second thermal conductive material layers 72.
Embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explanation the utility model, and can not be interpreted as restriction of the present utility model.
in description of the present utility model, it will be appreciated that, term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is separately arranged.
In the utility model, unless clear and definite regulation and restriction are separately arranged, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless clear and definite regulation and restriction are separately arranged, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that the First Characteristic level height is less than Second Characteristic.
Below with reference to the electric cabinet 100 that be used for air conditioner of Fig. 1-Fig. 5 description according to the utility model embodiment, particularly, this electric cabinet 100 can be arranged in the off-premises station of air conditioner.
Comprise housing 1, automatically controlled electric elements 2, heat abstractor 3 and radiator for semiconductor 4 according to the electric cabinet 100 of an embodiment of the utility model.
As Fig. 4-shown in Figure 5, housing 1 is hollow, that is to say, has cavity 13 in housing 1, and housing 1 can have air inlet 11 and air outlet 12, and air inlet 11 and air outlet 12 all communicate with cavity 13.Automatically controlled electric elements 2 are located in housing 1, the internal face interval preset distance of automatically controlled electric elements 2 and a sidewall 14 of housing 1.For example, in the example of Fig. 4-Fig. 5, automatically controlled electric elements 2 are spaced apart with the diapire of housing 1, like this air from air inlet 11 enter into housing 1 interior after, can be from flowing between automatically controlled electric elements 2 and housing 1 diapire, the heat that produces when taking away automatically controlled electric elements 2 work, and finally flow out from air outlet 12.Wherein, described sidewall 14 preferred parallel settings of automatically controlled electric elements 2 and housing 1, automatically controlled electric elements 2 are specifically set with the heat radiation requirement that the distance of a described sidewall 14 of housing 1 can be required according to automatically controlled electric elements 2, to obtain best cooling effect.According to an embodiment of the present utility model, automatically controlled electric elements 2 can comprise the pcb board assembly.
Wherein, as shown in Figure 1-Figure 3, the described hot junction 42 of radiator for semiconductor 4 is fitted on heat abstractor 3, and the described cold junction 41 of radiator for semiconductor 4 is towards automatically controlled electric elements 2.thus, as Fig. 4-shown in Figure 5, when electric cabinet 100 work, radiator for semiconductor 4 energising work, its cold junction 41 temperature are low, hot junction 42 temperature are high, cold junction 41 is towards also contiguous automatically controlled electric elements 2, the part heat that cold junction 41 produces in the time of can absorbing automatically controlled electric elements 2 work, simultaneously because air flows between cold junction 41 and automatically controlled electric elements 2, air also can be taken away a part of heat that automatically controlled electric elements 2 produce, and due to the Air Flow effect, can also improve automatically controlled electric elements 2 to cold junction 41 transferring heats, cold junction 41 can be passed to hot junction 42 with heat after absorbing heat, hot junction 42 in time dissipates heat by heat abstractor 3, guarantee constantly to exist between cold junction 41 and hot junction 42 suitable temperature difference, thereby raising radiating effect.
and, be understandable that, can regulate by the input direct voltage of regulating radiator for semiconductor 4 two ends the temperature difference in its cold junction 41 and hot junction 42, for example when automatically controlled electric elements 2 live loads are low, can suitably reduce the input voltage at radiator for semiconductor 4 two ends, this moment, input voltage can be less than the rated voltage of radiator for semiconductor 4, like this can saves energy, and when automatically controlled electric elements 2 live loads when higher, in order to guarantee that the heat that automatically controlled electric elements 2 produce can be by in time, effectively take away, can suitably increase the input voltage at radiator for semiconductor 4 two ends, this moment, input voltage can equal the rated voltage of radiator for semiconductor 4.
According to an embodiment of the present utility model, as shown in Figure 1, be formed with opening 15 on a described sidewall 14 of housing 1, the described cold junction 41 of radiator for semiconductor 4 is positioned at opening 15 places.In other words, as shown in Figure 1, be formed with opening 15 on the diapire of housing 1, the cold junction 41 of radiator for semiconductor 4 is over against this opening 15, the cold junction 41 of radiator for semiconductor 4 is directly over against automatically controlled electric elements 2 like this, can improve heat transfer effect both, and then improve the cooling effect to automatically controlled electric elements 2.
Further, in this embodiment, be provided with encapsulant 5 between radiator for semiconductor 4 and opening 15, the cold air that enters from air inlet 11 so can not flow out by the gap between radiator for semiconductor 4 and opening 15, and the automatically controlled electric elements 2 of all flowing through are with fully cooling to automatically controlled electric elements 2, flow out from air outlet 12 at last, and by being set, also improved encapsulant 5 dustproof, the water resistance of electric cabinet 100, avoid outside moisture, dust to enter in electric cabinet 100 from the gap, affect the useful life of automatically controlled electric elements 2.
Certainly, the utility model is not limited to this, in another embodiment of the present utility model, as shown in Figures 2 and 3, the described cold junction 41 of radiator for semiconductor 4 is fitted on the outside wall surface of a described sidewall 14 of housing 1, that is to say, in this embodiment, do not offer opening on housing 1, the cold junction 41 of radiator for semiconductor 4 directly is fitted on the outside wall surface of a described sidewall 14 of housing 1, can simplify the processing technology of housing 1 like this, be conducive to the whole cost that reduces electric cabinet 100.
In this embodiment, as shown in Figure 3, be provided with the first thermal conductive material layer 71 between a described sidewall 14 of the described cold junction 41 of radiator for semiconductor 4 and housing 1, increased like this heat transfer efficiency of 1 of the described cold junction 41 of radiator for semiconductor 4 and housing, can contact more closely between the cold junction 41 of radiator for semiconductor 4 and housing 1 simultaneously, avoid both having the gap and affect heat-transfer effect.Preferably, the first thermal conductive material layer 71 can be the heat-conducting silicone grease layer.
As shown in Figure 1-Figure 3, heat abstractor 3 comprises pedestal 31 and radiating fin 32, the upper surface of pedestal 31 is provided with mounting groove, radiator for semiconductor 4 is fixed in this mounting groove, radiating fin 32 is located at the lower surface of pedestal 31, radiating fin 32 can be orthogonal to pedestal 31, and radiating fin 32 can be a plurality of and be spaced apart from each other.Radiating fin 32 is preferably integrally formed with pedestal 31.Wherein, need to prove, the B direction indication above-below direction in Fig. 1-Fig. 5, and the direction of arrow in Fig. 4 and Fig. 5 schematically shows the approximate flow directions of cooling-air.
Further, be provided with the second thermal conductive material layer 72 between the hot junction 42 of radiator for semiconductor 4 and described mounting groove.Increased so the described hot junction 42 of radiator for semiconductor 4 and the heat transfer efficiency of described mounting groove, the hot junction 42 of radiator for semiconductor 4 can contact more closely with described mounting groove simultaneously, avoids both having the gap and affects heat-transfer effect.Preferably, the second thermal conductive material layer 72 can be the heat-conducting silicone grease layer.
In preferred embodiments more of the present utility model, radiator for semiconductor 4 is a plurality of and spaced apart along the length direction of automatically controlled electric elements 2.For example in some examples of Fig. 4-Fig. 5, radiator for semiconductor 4 is two, and can be spaced apart at left and right directions.Be understandable that, in this embodiment, heat abstractor 3 is one to one with the quantity of radiator for semiconductor 4.
In preferred embodiments more of the present utility model, electric cabinet 100 also comprises radiator fan 6, and the contiguous heat abstractor 3 of this radiator fan 6 arranges, and for example as shown in Figure 5, radiator fan can be located at the below of the radiating fin 32 of heat abstractor 3.Radiator fan 6 can blow wind to radiating fin 32, thereby takes away rapidly the heat of radiating fin 32, guarantees that the hot junction 42 of radiator for semiconductor 4 and the temperature difference between cold junction 41 are in suitable scope, and then improves the cooling effect to automatically controlled electric elements 2.
According to embodiment more of the present utility model, heat abstractor 3 removably is connected with a described sidewall 14 of housing 1, for example can by a plurality of bolts, heat abstractor 3 be fastened on a described sidewall 14 of housing 1, certainly also can heat abstractor 3 be fixed on a described sidewall 14 of housing 1 by buckle structure.Radiator for semiconductor 4 removably is connected with a described sidewall 14 of housing 1, for example can by a plurality of bolts, radiator for semiconductor 4 be fastened on a described sidewall 14 of housing 1, certainly also can radiator for semiconductor 4 be fixed on a described sidewall 14 of housing 1 by buckle structure.
Below the simple air conditioner of describing according to the utility model embodiment.
According to the air conditioner of an embodiment of the utility model, comprise according to the electric cabinet 100 that is used for air conditioner of describing in the utility model above-described embodiment.
Be understandable that, be all prior art according to other configuration example such as indoor set, off-premises station, compressor and the heat exchanger etc. of the air conditioner of the utility model embodiment, and known by those of ordinary skill in the art, therefore no longer describe in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. an electric cabinet, is characterized in that, comprising:
Housing;
Automatically controlled electric elements, described automatically controlled electric elements are located in described housing, the internal face interval preset distance of a sidewall of described automatically controlled electric elements and described housing;
Heat abstractor, described heat abstractor are located on the outside wall surface of a described sidewall of described housing; And
Radiator for semiconductor, described radiator for semiconductor are located between described heat abstractor and described automatically controlled electric elements, and the described hot junction that described radiator for semiconductor has cold junction and hot junction and described radiator for semiconductor is fitted on described heat abstractor.
2. electric cabinet according to claim 1, is characterized in that, is formed with opening on a described sidewall of described housing, and the described cold junction of described radiator for semiconductor is positioned at described opening part.
3. electric cabinet according to claim 2, is characterized in that, is provided with encapsulant between described radiator for semiconductor and described opening.
4. electric cabinet according to claim 1, is characterized in that, the described cold junction of described radiator for semiconductor is fitted on the outside wall surface of a described sidewall of described housing.
5. electric cabinet according to claim 4, is characterized in that, is provided with the first thermal conductive material layer between a described sidewall of the described cold junction of described radiator for semiconductor and described housing.
6. electric cabinet according to claim 1, it is characterized in that, described heat abstractor comprises pedestal and radiating fin, and the upper surface of described pedestal is provided with mounting groove, described radiator for semiconductor is fixed in described mounting groove, and described radiating fin is located at the lower surface of described pedestal.
7. electric cabinet according to claim 6, is characterized in that, is provided with the second thermal conductive material layer between the described hot junction of described radiator for semiconductor and described mounting groove.
8. the described electric cabinet of any one according to claim 1-7, is characterized in that, described radiator for semiconductor is a plurality of and spaced apart along the length direction of described automatically controlled electric elements.
9. the described electric cabinet of any one according to claim 1-7, is characterized in that, also comprises radiator fan, the contiguous described heat abstractor setting of described radiator fan.
10. an air conditioner, is characterized in that, comprises the described electric cabinet of any one according to claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320272542 CN203279443U (en) | 2013-05-17 | 2013-05-17 | Electric cabinet and air conditioner possessing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320272542 CN203279443U (en) | 2013-05-17 | 2013-05-17 | Electric cabinet and air conditioner possessing same |
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| Publication Number | Publication Date |
|---|---|
| CN203279443U true CN203279443U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320272542 Expired - Fee Related CN203279443U (en) | 2013-05-17 | 2013-05-17 | Electric cabinet and air conditioner possessing same |
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| CN (1) | CN203279443U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103957679A (en) * | 2014-03-27 | 2014-07-30 | 美的集团股份有限公司 | Electric control box, heat radiation system applied to electric control box and control method thereof |
| CN104955315A (en) * | 2015-06-09 | 2015-09-30 | 广东美的暖通设备有限公司 | Electrical control module heat dissipation device |
| CN105119167A (en) * | 2015-09-08 | 2015-12-02 | 泰州市姜堰奥威机械有限公司 | Electric box air conditioner |
| CN106403022A (en) * | 2016-08-31 | 2017-02-15 | 芜湖美智空调设备有限公司 | Camera box and indoor unit of air conditioner |
| CN106403025A (en) * | 2016-08-31 | 2017-02-15 | 芜湖美智空调设备有限公司 | Camera box and air conditioner indoor unit |
| CN107401942A (en) * | 2017-07-26 | 2017-11-28 | 珠海格力电器股份有限公司 | Heat storage device, electric cabinet and air conditioner |
| CN108430187A (en) * | 2018-05-16 | 2018-08-21 | 珠海格力电器股份有限公司 | Electrical box and air conditioner with same |
| CN110519970A (en) * | 2019-09-09 | 2019-11-29 | 珠海格力电器股份有限公司 | Radiating assembly, electric cabinet and air conditioning unit |
| WO2022166172A1 (en) * | 2021-02-04 | 2022-08-11 | 青岛海尔空调器有限总公司 | Air conditioner and electric control box thereof |
-
2013
- 2013-05-17 CN CN 201320272542 patent/CN203279443U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103957679A (en) * | 2014-03-27 | 2014-07-30 | 美的集团股份有限公司 | Electric control box, heat radiation system applied to electric control box and control method thereof |
| CN104955315B (en) * | 2015-06-09 | 2018-09-11 | 广东美的暖通设备有限公司 | A kind of electronic control module radiator |
| CN104955315A (en) * | 2015-06-09 | 2015-09-30 | 广东美的暖通设备有限公司 | Electrical control module heat dissipation device |
| CN105119167A (en) * | 2015-09-08 | 2015-12-02 | 泰州市姜堰奥威机械有限公司 | Electric box air conditioner |
| CN106403025B (en) * | 2016-08-31 | 2019-07-19 | 芜湖美智空调设备有限公司 | Image head cartridge and air conditioner indoor unit |
| CN106403025A (en) * | 2016-08-31 | 2017-02-15 | 芜湖美智空调设备有限公司 | Camera box and air conditioner indoor unit |
| CN106403022B (en) * | 2016-08-31 | 2019-07-19 | 芜湖美智空调设备有限公司 | Image head cartridge and air conditioner indoor unit |
| CN106403022A (en) * | 2016-08-31 | 2017-02-15 | 芜湖美智空调设备有限公司 | Camera box and indoor unit of air conditioner |
| CN107401942A (en) * | 2017-07-26 | 2017-11-28 | 珠海格力电器股份有限公司 | Heat storage device, electric cabinet and air conditioner |
| CN108430187A (en) * | 2018-05-16 | 2018-08-21 | 珠海格力电器股份有限公司 | Electrical box and air conditioner with same |
| CN108430187B (en) * | 2018-05-16 | 2023-10-03 | 珠海格力电器股份有限公司 | Electrical box and air conditioner with same |
| CN110519970A (en) * | 2019-09-09 | 2019-11-29 | 珠海格力电器股份有限公司 | Radiating assembly, electric cabinet and air conditioning unit |
| WO2022166172A1 (en) * | 2021-02-04 | 2022-08-11 | 青岛海尔空调器有限总公司 | Air conditioner and electric control box thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: GUANGDONG MIDEA HVAC EQUIPMENT CO., LTD. Effective date: 20131204 Owner name: GUANGDONG MIDEA HVAC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20131204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131204 Address after: 528311 Beijiao, Guangdong, Shunde Town, Penglai Road, Industrial Avenue, Patentee after: Guangdong Midea HVAC Equipment Co., Ltd. Patentee after: Midea Group Co., Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Meidi Electric Appliances Co., Ltd., Guangdong Patentee before: Guangdong Midea HVAC Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20190517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |