CN204902041U - Converter subassembly and air condensing units - Google Patents
Converter subassembly and air condensing units Download PDFInfo
- Publication number
- CN204902041U CN204902041U CN201520503673.9U CN201520503673U CN204902041U CN 204902041 U CN204902041 U CN 204902041U CN 201520503673 U CN201520503673 U CN 201520503673U CN 204902041 U CN204902041 U CN 204902041U
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- China
- Prior art keywords
- refrigerant pipe
- frequency converter
- refrigerant
- converter assembly
- radiator
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Abstract
The utility model discloses a converter subassembly and air condensing units, wherein, converter unit mount in air condensing units, this air condensing units is including the first refrigerant pipe that is used for connecting compressor return -air mouth and cross valve and be used for junction chamber outside heat exchanger and high pressure isolating valve's second refrigerant pipe, and this converter subassembly includes converter and radiator, and the converter is installed in the radiator, and the radiator sets firmly in first refrigerant pipe or second refrigerant pipe. The technical scheme of the utility model instinctively strengthen the radiating effect of radiator to the converter to prolong the life of converter in this frequency conversion subassembly.
Description
Technical field
The utility model relates to air-conditioner field, particularly relates to a kind of frequency converter assembly and air-conditioner outdoor unit.
Background technology
In convertible frequency air-conditioner, the application of big-power transducer is more and more general.Because caloric value when big-power transducer runs is large, in order to ensure device service life, usually frequency converter being set firmly on a heat sink, and being dispelled the heat by the blower fan of air-conditioner outdoor unit; But this kind of radiating mode is influenced by environmental temperature, and temperature in air-conditioner outdoor unit is often very high, is namely difficult to meet the cooling requirements of big-power transducer in convertible frequency air-conditioner by this kind of radiating mode.
Utility model content
Main purpose of the present utility model is to provide a kind of frequency converter assembly and air-conditioner outdoor unit, to be intended to improve in this frequency converter assembly radiator to the radiating effect of frequency converter.
For achieving the above object, the frequency converter assembly that the utility model proposes is installed on air-conditioner outdoor unit, described air-conditioner outdoor unit comprises for connecting compressor return air mouth and the first refrigerant pipe of cross valve and the second refrigerant pipe for being connected outdoor heat exchanger and high-pressure stop valve, described frequency converter assembly comprises frequency converter and radiator, described frequency converter is installed on described radiator, and described radiator is fixedly arranged on described first refrigerant pipe or described second refrigerant pipe.
Preferably, described radiator comprises heat radiator body, and this heat radiator body offers and described first refrigerant pipe or the suitable groove of the second refrigerant pipe, and described radiator is arranged on described first refrigerant pipe or described second refrigerant pipe by described groove.
Preferably, described groove interference is installed on described first refrigerant pipe or described second refrigerant pipe.
Preferably, described radiator also comprises the some pressing plates fixing with described heat radiator body; The one side towards described heat radiator body of each pressing plate compresses described first refrigerant pipe or described second refrigerant pipe, and makes described first refrigerant pipe or described second refrigerant pipe laminating be installed on the cell wall of described groove.
Preferably, described first refrigerant pipe comprises side by side and spaced many first refrigerant pipes, and described groove comprises the first sub-groove that arrange corresponding to the sub-pipe of each the first refrigerant, and each first sub-groove is arranged on the corresponding sub-pipe of one first refrigerant;
Or,
Described second refrigerant pipe comprises side by side and spaced many second refrigerant pipes, and described groove comprises the second sub-groove that arrange corresponding to the sub-pipe of each the second refrigerant, and each second sub-groove is arranged on the corresponding sub-pipe of one second refrigerant.
Preferably, described frequency converter assembly also comprises frequency conversion electrical control box, and described frequency converter is contained in described frequency conversion electrical control box; Described air-conditioner outdoor unit also comprises master control borad and the main electric-controlled box in order to accommodate described master control borad, and described main electric-controlled box and the separate setting of described frequency conversion electrical control box, described frequency converter is electrically connected in described master control borad.
Preferably, described frequency converter assembly is bag fixed support also, and this support bracket fastened one end and described frequency conversion electrical control box are fixed, and chassis or the sidewall of the other end and described air-conditioner outdoor unit housing are fixed; Described frequency conversion electrical control box is fixed on described chassis or sidewall by described fixed support.
Preferably, described frequency converter assembly is bag fixed support also, and this support bracket fastened one end and described frequency conversion electrical control box are fixed, and gas-liquid separator or the oil eliminator of the other end and described air-conditioner outdoor unit are fixed; Described frequency conversion electrical control box is fixed on described gas-liquid separator or oil eliminator by described fixed support.
Preferably, described frequency conversion electrical control box offers inlet pipe mouth and outlet spout, and described inlet pipe mouth and outlet spout wear with for described first refrigerant pipe or described second refrigerant pipe adaptation.
The utility model also proposes a kind of air-conditioner outdoor unit, comprise described frequency converter assembly, for connecting compressor return air mouth and the first refrigerant pipe of cross valve and the second refrigerant pipe for being connected outdoor heat exchanger and high-pressure stop valve, described frequency converter assembly comprises frequency converter and radiator, described frequency converter is installed on described radiator, and described radiator is fixedly arranged on described first refrigerant pipe or described second refrigerant pipe.
In frequency converter assembly provided by the utility model, radiator is installed on described first refrigerant pipe or described second refrigerant pipe, low temperature refrigerant by flowing through described first refrigerant pipe or described second refrigerant pipe carries out auxiliary heat dissipation to radiator, thus strengthen radiator to the radiating effect of frequency converter, and then extend the service life of frequency converter in this frequency conversion assembly, the job stability of the air-conditioner outdoor unit using this frequency converter assembly can be improved simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation at the utility model frequency converter assembly one embodiment one visual angle;
Fig. 2 is the structural representation at another visual angle of frequency converter assembly in Fig. 1;
Fig. 3 is the structural representation of the utility model air-conditioner outdoor unit one embodiment;
Fig. 4 is the structural representation of another embodiment of the utility model air-conditioner outdoor unit;
Fig. 5 is the structural representation of another embodiment of the utility model frequency converter assembly;
Fig. 6 is the structural representation of the another embodiment of the utility model frequency converter assembly;
Fig. 7 is the structural representation at the utility model frequency converter assembly embodiment one visual angle again;
Fig. 8 is the structural representation at another visual angle of frequency converter assembly in Fig. 7;
Fig. 9 is the structural representation that the utility model frequency converter assembly is installed on the embodiment in air-conditioner outdoor unit;
Figure 10 is the structural representation that the utility model frequency converter assembly is installed on another embodiment in air-conditioner outdoor unit.
Drawing reference numeral illustrates:
| Label | Title | Label | Title | Label | Title |
| 10 | Frequency converter assembly | 20 | Air-conditioner outdoor unit | 11 | Frequency converter |
| 12 | Radiator | 13 | Frequency conversion electrical control box | 14 | Fixed support |
| 21 | First refrigerant pipe | 22 | Chassis | 23 | Gas-liquid separator |
| 24 | Compressor | 25 | Cross valve | 26 | Outdoor heat exchanger |
| 27 | High-pressure stop valve | 28 | Second refrigerant pipe | 121 | Heat radiator body |
| 1211 | First plate face | 1212 | Second plate face | 122 | Pressing plate |
| 123 | Groove | 1231 | First sub-groove | 131 | Inlet pipe mouth |
| 132 | Outlet spout | 141 | Carrier unit | 1411 | Sticking part |
| 211 | First refrigerant pipe |
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Be described further with regard to the technical solution of the utility model below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of frequency converter assembly, and a kind of air-conditioner outdoor unit with this frequency converter assembly.
Referring to figs. 1 through Fig. 3, in the utility model one embodiment, this frequency converter assembly 10 is installed on air-conditioner outdoor unit 20, this air-conditioner outdoor unit 20 comprise compressor 24, outdoor heat exchanger 26, cross valve 25, high-pressure stop valve 27, for connecting the first refrigerant pipe 21 of compressor 24 gas returning port and cross valve 25 and the second refrigerant pipe 28 for being connected outdoor heat exchanger 26 and high-pressure stop valve 27, this frequency converter assembly 10 comprises frequency converter 11 and radiator 12, wherein, frequency converter 11 is installed on radiator 12, and radiator 12 is fixedly arranged on the first refrigerant pipe 21.Or with reference to Fig. 4, in another embodiment of the present utility model, described radiator 12 is fixedly arranged on the second refrigerant pipe 28.It should be noted that, in figs. 3 and 4, illustrate only the part of devices of air-conditioner outdoor unit 20, this air-conditioner outdoor unit 20 also can comprise other devices, such as gas-liquid separator, oil eliminator etc.
No matter air-conditioning system is in refrigeration mode or heating mode, the refrigerant flowing through described first refrigerant pipe 21 and described second refrigerant pipe 28 in air-conditioning system is all low temperature refrigerant, in frequency converter assembly 10 provided by the utility model, radiator 12 is installed on described first refrigerant pipe 21 or described second refrigerant pipe 28, low temperature refrigerant by flowing through described first refrigerant pipe 21 or described second refrigerant pipe 28 carries out auxiliary heat dissipation to radiator 12, thus strengthen the radiating effect of radiator 12 pairs of frequency converters 11, and then extend the service life of frequency converter 11 in this frequency conversion assembly, the air-conditioner outdoor unit 20 using this frequency converter assembly 10 can be made to work more stable simultaneously.
With reference to Fig. 2, in the present embodiment, further, radiator 12 comprises heat radiator body 121, this heat radiator body 121 offers and the first refrigerant pipe 21 or the suitable groove 123 of the second refrigerant pipe 28, and this radiator 12 is arranged on the first refrigerant pipe 21 or the second refrigerant pipe 28 by groove 123.In the present embodiment, heat radiator body 121 is preferably arranged in tabular, particularly, heat radiator body 121 has the first plate face 1211 and the second plate face 1212 be oppositely arranged, frequency converter 11 is fixedly arranged on the first plate face 1211, groove 123 is opened in the second plate face 1212, so, heat radiator body 121 can be convenient to disassemble from the first refrigerant pipe 21 or the second refrigerant pipe 28 carry out changing or keeping in repair.Certainly, in other embodiments of the present utility model, the first refrigerant pipe 21 or the second refrigerant pipe 28 also can be located in heat radiator body 121.
In the present embodiment, preferably, groove 123 interference is installed on the first refrigerant pipe 21 or the second refrigerant pipe 28; So, be conducive to realizing the first refrigerant pipe 21 or the second refrigerant pipe 28 to fit with the cell wall of groove 123 and install, thus make the low temperature refrigerant flowed through in the first refrigerant pipe 21 or the second refrigerant pipe 28 can carry out auxiliary heat dissipation to the radiator 12 of this frequency conversion assembly better.
In the present embodiment, further, first refrigerant pipe 21 comprises side by side and the spaced many sub-pipes 211 of first refrigerant, groove 123 comprises the first sub-groove 1231 that arrange corresponding to the sub-pipe of each the first refrigerant 211, and each first sub-groove 1231 is arranged on the corresponding sub-pipe 211 of one first refrigerant; So, the stability of strutting system of increase by first refrigerant pipe 21 pairs of heat radiator body 121 is conducive to.In the present embodiment, the many sub-pipes 211 of first refrigerant are connected in parallel.Certainly, in other embodiments of the present utility model, the many sub-pipes 211 of first refrigerant also can be connected in series, and now, the first refrigerant pipe 21 is equivalent to be provided with the bending of continuous print multiple S shape.It is emphasized that, in other embodiments that radiator 12 is fixedly arranged on the second refrigerant pipe 28, particularly, second refrigerant pipe 28 comprises side by side and spaced many second refrigerant pipes, groove 123 comprises the second sub-groove that arrange corresponding to the sub-pipe of each the second refrigerant, and each second sub-groove is arranged on the corresponding sub-pipe of one second refrigerant.
With reference to the structural representation that Fig. 5, Fig. 5 are another embodiment of the utility model frequency converter assembly, the difference of the present embodiment and previous embodiment is only, radiator 12 also comprises the some pressing plates 122 fixing with heat radiator body 121; The one side towards heat radiator body 121 of each pressing plate 122 compresses the first refrigerant pipe 21 or the second refrigerant pipe 28, and makes the first refrigerant pipe 21 or the laminating of the second refrigerant pipe 28 be installed on the cell wall of groove 123; Particularly, each pressing plate 122 and heat radiator body 121 removably connect, and such as, each pressing plate 122 can be, but not limited to be connected by screw with heat radiator body 121 or the mode of bonding or snapping etc. is fixed.It is emphasized that, in other embodiments of the present utility model, groove 123 in heat radiator body 121 also can be the first half grooves, radiator 12 also can comprise a briquetting (not shown), this briquetting offers corresponding with the first half grooves the second half grooves, when briquetting and heat radiator body 121 are connected and fixed, first refrigerant pipe 21 or the second refrigerant pipe 28 are fixed on the first half grooves and dock with the second half grooves and in the tube seat formed, and realize being fixedly connected with of radiator 12 and the first refrigerant pipe 21 or the second refrigerant pipe 28.
With reference to the structural representation that Fig. 6, Fig. 6 are the another embodiment of the utility model frequency converter assembly, the present embodiment is on the basis of previous embodiment, and further, this frequency converter assembly 10 also comprises frequency conversion electrical control box 13, and frequency converter 11 is contained in frequency conversion electrical control box 13.Air-conditioner outdoor unit 20 also comprises master control borad (not shown) and the main electric-controlled box (not shown) in order to accommodate master control borad.Wherein, main electric-controlled box and the separate setting of frequency conversion electrical control box 13, frequency converter 11 is electrically connected in master control borad.In the present embodiment, outside the moisture entered in air-conditioner outdoor unit 20, rainwater and dust etc. can be isolated in by frequency conversion electrical control box 13, to extend the service life of frequency converter 11; In addition, when frequency converter 11 break down need repairing or change time, only need to open separately frequency conversion electrical control box 13, and without the need to opening the main electric-controlled box containing master control borad, be integrated in the technical scheme of master control borad compared to frequency converter 11, the technical solution of the utility model is to the maintenance of fault frequency converter 11 or change more convenient.
Above-mentioned frequency conversion electrical control box 13 offers inlet pipe mouth 131 and outlet spout 132, this inlet pipe mouth 131 and outlet spout 132 wear with for the first refrigerant pipe 21 or the second refrigerant pipe 28 adaptation, enter frequency conversion electrical control box 13 from this inlet pipe mouth 131 or outlet spout 132 to avoid moisture, rainwater and dust etc.In the present embodiment, radiator 12 is preferably contained in frequency conversion electrical control box 13; Frequency converter 11 is fixed on the medial surface of frequency conversion electrical control box 13 preferably by radiator 12, such as but not limited to, in the backboard of frequency conversion electrical control box 13, side sink 12 is convexly equipped with the boss (not shown) abutted against with radiator 12, and radiator 12 is by being spirally connected, riveting or the boss of the fixed form such as snapping and frequency conversion electrical control box 13 is fixed.Certainly, in other embodiments of the present utility model, radiator 12 also can be fixedly arranged on the side-wall outer side (see Fig. 7 and Fig. 8) of frequency conversion electrical control box 13, to make the radiating efficiency of radiator 12 higher; Particularly, the first plate face 1211 of radiator 12 is connected with the side-wall outer side gluing, sealing of frequency conversion electrical control box 13, and is fixed on the side-wall outer side of frequency conversion electrical control box 13 by fixed forms such as being spirally connected, riveting or be bonding; Correspondingly, the corresponding sidewall of frequency conversion electrical control box 13 offers the mouth excessively that confession frequency converter 11 adaptation wears, and is contained in frequency conversion electrical control box 13 to make frequency converter 11.
In the lump with reference to Fig. 9, in the present embodiment, further, frequency converter assembly is bag fixed support 14 also, and one end and the frequency conversion electrical control box 13 of this fixed support 14 are fixed, and the chassis 22 of the other end and air-conditioner outdoor unit 20 housing is fixed; Frequency conversion electrical control box 13 is fixed on chassis 22 by fixed support 14.In the present embodiment, preferably, this fixed support 14 comprises two stands unit 141, fix at the bottom of one end of each carrier unit 141 and frequency conversion electrical control box 13 box, the other end of each carrier unit 141 is provided with sticking part 1411, this sticking part 1411 is arranged in tabular, and the laminating of this sticking part 1411 is fixed on the chassis 22 of the housing of air-conditioner outdoor unit 20, thinks the support that frequency conversion electrical control box 13 provides stable.In the present embodiment, when there is vibration in the refrigerant pipeline section being arranged in frequency conversion electrical control box 13, refrigerant pipeline section because self is flexible and adaptivity deformation occurs in the position wearing frequency conversion electrical control box 13, thus makes to be fixed on the radiator 12 of frequency conversion electrical control box 13 and frequency converter 11 can not vibrate along with the vibration of refrigerant pipeline section.Certainly, in other embodiments of the present utility model, the other end of this frequency conversion assembly fixed support 14 also can be fixed on the sidewall of air-conditioner outdoor unit 20 housing, to be fixed on the sidewall of air-conditioner outdoor unit 20 housing by frequency conversion electrical control box 13.
With reference to Figure 10, Figure 10 is the structural representation that the utility model frequency converter assembly is installed on another embodiment in air-conditioner outdoor unit, the difference of the present embodiment and previous embodiment is only, the other end of this frequency conversion assembly fixed support 14 is fixed on the gas-liquid separator 23 of air-conditioner outdoor unit 20, to be fixed on the gas-liquid separator 23 of air-conditioner outdoor unit 20 by frequency conversion electrical control box 13.Certainly, in other embodiments of the present utility model, the other end of this frequency conversion assembly fixed support 14 also can be fixed on the oil eliminator of air-conditioner outdoor unit 20, to be fixed on the oil eliminator of air-conditioner outdoor unit 20 by frequency conversion electrical control box 13.
Should be noted that; the technical scheme of each embodiment of the present utility model can be combined with each other; but must be can be embodied as basis with those skilled in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not the utility model require protection domain within.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a frequency converter assembly, be installed on air-conditioner outdoor unit, described air-conditioner outdoor unit comprises for connecting compressor return air mouth and the first refrigerant pipe of cross valve and the second refrigerant pipe for being connected outdoor heat exchanger and high-pressure stop valve, it is characterized in that, described frequency converter assembly comprises frequency converter and radiator, described frequency converter is installed on described radiator, and described radiator is fixedly arranged on described first refrigerant pipe or described second refrigerant pipe.
2. frequency converter assembly as claimed in claim 1, it is characterized in that, described radiator comprises heat radiator body, this heat radiator body offers and described first refrigerant pipe or the suitable groove of the second refrigerant pipe, and described radiator is arranged on described first refrigerant pipe or described second refrigerant pipe by described groove.
3. frequency converter assembly as claimed in claim 2, it is characterized in that, described groove interference is installed on described first refrigerant pipe or described second refrigerant pipe.
4. frequency converter assembly as claimed in claim 2, is characterized in that, described radiator also comprises the some pressing plates fixing with described heat radiator body; The one side towards described heat radiator body of each pressing plate compresses described first refrigerant pipe or described second refrigerant pipe, and makes described first refrigerant pipe or described second refrigerant pipe laminating be installed on the cell wall of described groove.
5. the frequency converter assembly as described in any one of claim 2 to 4, it is characterized in that, described first refrigerant pipe comprises side by side and spaced many first refrigerant pipes, described groove comprises the first sub-groove that arrange corresponding to the sub-pipe of each the first refrigerant, and each first sub-groove is arranged on the corresponding sub-pipe of one first refrigerant;
Or,
Described second refrigerant pipe comprises side by side and spaced many second refrigerant pipes, and described groove comprises the second sub-groove that arrange corresponding to the sub-pipe of each the second refrigerant, and each second sub-groove is arranged on the corresponding sub-pipe of one second refrigerant.
6. frequency converter assembly as claimed in claim 1, it is characterized in that, described frequency converter assembly also comprises frequency conversion electrical control box, and described frequency converter is contained in described frequency conversion electrical control box; Described air-conditioner outdoor unit also comprises master control borad and the main electric-controlled box in order to accommodate described master control borad, and described main electric-controlled box and the separate setting of described frequency conversion electrical control box, described frequency converter is electrically connected in described master control borad.
7. frequency converter assembly as claimed in claim 6, it is characterized in that, described frequency converter assembly is bag fixed support also, and this support bracket fastened one end and described frequency conversion electrical control box are fixed, and chassis or the sidewall of the other end and described air-conditioner outdoor unit housing are fixed; Described frequency conversion electrical control box is fixed on described chassis or sidewall by described fixed support.
8. frequency converter assembly as claimed in claim 6, it is characterized in that, described frequency converter assembly is bag fixed support also, and this support bracket fastened one end and described frequency conversion electrical control box are fixed, and gas-liquid separator or the oil eliminator of the other end and described air-conditioner outdoor unit are fixed; Described frequency conversion electrical control box is fixed on described gas-liquid separator or oil eliminator by described fixed support.
9. frequency converter assembly as claimed in claim 7 or 8, it is characterized in that, described frequency conversion electrical control box offers inlet pipe mouth and outlet spout, and described inlet pipe mouth and outlet spout wear with for described first refrigerant pipe or described second refrigerant pipe adaptation.
10. an air-conditioner outdoor unit, is characterized in that, comprises the frequency converter assembly as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503673.9U CN204902041U (en) | 2015-07-10 | 2015-07-10 | Converter subassembly and air condensing units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503673.9U CN204902041U (en) | 2015-07-10 | 2015-07-10 | Converter subassembly and air condensing units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204902041U true CN204902041U (en) | 2015-12-23 |
Family
ID=54924211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520503673.9U Expired - Fee Related CN204902041U (en) | 2015-07-10 | 2015-07-10 | Converter subassembly and air condensing units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204902041U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737272A (en) * | 2016-03-28 | 2016-07-06 | 广东志高空调有限公司 | Household variable frequency air conditioner outdoor unit |
| CN107477712A (en) * | 2017-09-15 | 2017-12-15 | 广东美的暖通设备有限公司 | Electric-controlled box and there is its air-conditioner outdoor unit |
| CN107883617A (en) * | 2016-09-30 | 2018-04-06 | 博格思众公司 | Refrigerant liquid gas separating device with electronic device cooling |
| CN110307159A (en) * | 2019-07-01 | 2019-10-08 | 珠海格力电器股份有限公司 | Frequency-changeable compressor and air-conditioning |
| WO2020042422A1 (en) * | 2018-08-28 | 2020-03-05 | 珠海格力电器股份有限公司 | Bottom shell assembly and air conditioner having same |
| US20210199315A1 (en) * | 2019-12-31 | 2021-07-01 | Airsys Refrigeration Engineering Technology (Beijing) Co. Ltd. | Air Conditioning System |
-
2015
- 2015-07-10 CN CN201520503673.9U patent/CN204902041U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737272A (en) * | 2016-03-28 | 2016-07-06 | 广东志高空调有限公司 | Household variable frequency air conditioner outdoor unit |
| CN107883617A (en) * | 2016-09-30 | 2018-04-06 | 博格思众公司 | Refrigerant liquid gas separating device with electronic device cooling |
| CN107883617B (en) * | 2016-09-30 | 2021-06-22 | 博格思众公司 | Refrigerant liquid-gas separator with electronics cooling |
| CN107477712A (en) * | 2017-09-15 | 2017-12-15 | 广东美的暖通设备有限公司 | Electric-controlled box and there is its air-conditioner outdoor unit |
| WO2020042422A1 (en) * | 2018-08-28 | 2020-03-05 | 珠海格力电器股份有限公司 | Bottom shell assembly and air conditioner having same |
| CN110307159A (en) * | 2019-07-01 | 2019-10-08 | 珠海格力电器股份有限公司 | Frequency-changeable compressor and air-conditioning |
| US20210199315A1 (en) * | 2019-12-31 | 2021-07-01 | Airsys Refrigeration Engineering Technology (Beijing) Co. Ltd. | Air Conditioning System |
| US11655990B2 (en) * | 2019-12-31 | 2023-05-23 | Airsys Refrigeration Engineering Technology (Beijing) Co. Ltd. | Air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20190710 |