CN204006772U - Air-conditioner - Google Patents
Air-conditioner Download PDFInfo
- Publication number
- CN204006772U CN204006772U CN201420422714.7U CN201420422714U CN204006772U CN 204006772 U CN204006772 U CN 204006772U CN 201420422714 U CN201420422714 U CN 201420422714U CN 204006772 U CN204006772 U CN 204006772U
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- Prior art keywords
- heat exchanger
- conduit
- port
- fluid reservoir
- import
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 claims abstract description 60
- 230000008676 import Effects 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 abstract description 30
- 239000000314 lubricant Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000001932 seasonal effect Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model provides a kind of air-conditioner, comprising: cross valve, compressor, outdoor heat exchanger, outdoor heat exchanger and fluid reservoir, and outdoor heat exchanger is fin-tube type heat exchanger, indoor heat exchanger is micro-channel heat exchanger; The bottom surface of fluid reservoir is provided with the first import and export, the lower sidewall of fluid reservoir is provided with the second import and export, the first import and export is provided with the first conduit, and one end of the first conduit extends the top of fluid reservoir, on the first conduit, be provided with spill port, spill port is between the first import and export and second are imported and exported, and the first conduit is connected with fin-tube type heat exchanger by throttling arrangement, and the second import and export are connected with micro-channel heat exchanger.The air-conditioner that the utility model provides, when refrigerating operaton, fluid reservoir is store refrigerant not substantially, and bottom can not store compressor lubricant oil yet, and fluid reservoir does not affect refrigerating capacity and refrigerating efficiency; When refrigerating operaton, fluid reservoir can hold full cold-producing medium, with balance, heats the refrigerant amount in runtime system.
Description
Technical field
The utility model relates to household appliance technical field, more specifically, relates to a kind of air-conditioner.
Background technology
Tradition adopts the refrigeration system of copper pipe fin type condenser and parallel flow evaporators combination, when refrigerating operaton and heating operation coolant quantity inconsistent be maximum problem, general solution is the area that increases parallel flow evaporators, after area increased, the volume of parallel-flow evaporator also increases thereupon, cause the size of indoor apparatus of air conditioner to increase, cost also will significantly rise, if do not increase the area of parallel-flow evaporator, the annual seasonal energy efficiency of complete machine and heating capacity are just lower.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the purpose of this utility model is, provide a kind of can guarantee refrigerating operaton with heating operation time coolant quantity consistent, and the complete machine power can reduce heating operation time, improve and heat efficiency, thereby promote the air-conditioner of the annual seasonal energy efficiency of complete machine.
For achieving the above object, the utility model provides a kind of air-conditioner, comprising: cross valve, and described cross valve has exhaust port, condenser port, evaporimeter port and air intake duct port; Compressor, described compressor has exhaust outlet and gas returning port, and described exhaust outlet is connected with described exhaust port, and described gas returning port is connected with described air intake duct port; Outdoor heat exchanger, described outdoor heat exchanger is fin-tube type heat exchanger, described fin-tube type heat exchanger is connected with described condenser port; Indoor heat exchanger, described indoor heat exchanger is micro-channel heat exchanger, described micro-channel heat exchanger is connected with described evaporimeter port; And fluid reservoir, the bottom surface of described fluid reservoir is provided with the first import and export, the lower sidewall of described fluid reservoir is provided with the second import and export, described the first import and export is provided with the first conduit, and one end of described the first conduit extends the top of described fluid reservoir, on described the first conduit, be provided with spill port, described spill port is between described the first import and export and described second are imported and exported, described the first conduit is connected with described fin-tube type heat exchanger by throttling arrangement, and described the second import and export are connected with described micro-channel heat exchanger.
The floor air conditioner indoor machine that the utility model provides, because outdoor heat exchanger is pipe finned heat exchanger, indoor heat exchanger is micro-channel heat exchanger, in order to solve air-conditioner inconsistent problem of coolant quantity when refrigerating operaton and the heating operation, between indoor heat exchanger and outdoor heat exchanger, fluid reservoir is set, air-conditioner is when refrigerating operaton, refrigerant flows to the exhaust port of cross valve through the exhaust outlet of compressor, through condenser port, flow to outdoor heat exchanger, the refrigerant flowing out from outdoor heat exchanger flow to the first conduit being arranged on fluid reservoir through throttling arrangement, then from second of fluid reservoir, import and export and flow to indoor heat exchanger, finally by evaporimeter port, air intake duct port, gas returning port flows back to compressor, now, fluid reservoir is store refrigerant not substantially, bottom can not store compressor lubricant oil yet, therefore, air-conditioner is when refrigerating operaton, fluid reservoir does not affect refrigerating capacity and refrigerating efficiency, air-conditioner is when heating operation, refrigerant flows to the exhaust port of cross valve through the exhaust outlet of compressor, through evaporimeter port, flow to indoor heat exchanger, the refrigerant flowing out from indoor heat exchanger flows into fluid reservoir through the second import and export, and together with after mixing with the lubricating oil entering by spill port, the first conduit on being arranged on fluid reservoir flows out, the refrigerant flowing out from the first conduit is through throttling arrangement, outdoor heat exchanger, condenser port, air intake duct port, gas returning port flows back to compressor, now, one end of cause the first conduit extends the top of fluid reservoir from the first import and export, so fluid reservoir can hold full cold-producing medium, with balance, heat the refrigerant amount in runtime system, thereby reduced complete machine power, heating efficiency and heating capacity have been improved, and then promoted annual seasonal energy efficiency ratio (seer), in addition, the setting of spill port, make fluid reservoir when holding full cold-producing medium, the compressor lubricant oil of fluid reservoir bottom can be brought in the middle of system by cold-producing medium mobile, can not affect lubricating life and the efficiency of compressor.
In addition, the air-conditioner providing according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, described micro-channel heat exchanger is aluminium micro-channel heat exchanger.
Micro-channel heat exchanger passage refers to that equivalent diameter is at the heat exchanger of 10～1000 μ m, compares with conventional heat exchanger, and micro-channel heat exchanger volume is little, compact conformation, and the coefficient of heat transfer is large, and heat exchange efficiency is high, and energy-conservation reliable; The good heat conductivity of aluminium, heat exchange efficiency is high and cheap.
According to an embodiment of the present utility model, described the first conduit is L shaped pipe or U-shaped pipe.
According to an embodiment of the present utility model, described throttling arrangement is electric expansion valve or heating power expansion valve or capillary.
For high pressure liquid refrigerant is carried out to reducing pressure by regulating flow, guarantee the pressure differential of fluid reservoir, to make liquid refrigerant evaporation endothermic under the low pressure requiring, thereby reach the object of refrigeration step-down, can adopt electric expansion valve or heating power expansion valve or capillary, electric expansion valve is the valve of self-locking type, and during high frequency low-frequency operation, Energy Efficiency Ratio is high, the strong adaptability that refrigerant amount is changed, strengthens air conditioning comfortableness; Heating power expansion valve, Applicable temperature scope is large, can Fast-Balance system high-low pressure during shutdown; Capillaceous simple in structure, cause conveniently, cheap, there is no moving component, itself be difficult for producing fault and leakage, and there is auto-compensation feature to adapt to the requirement of cooling load variation to flow.
According to an embodiment of the present utility model, described the second import and export is provided with the second conduit, and described the second import and export are connected with described micro-channel heat exchanger by described the second conduit.
The setting of the second conduit, makes being connected between fluid reservoir and micro-channel heat exchanger become simple and convenient, thereby effectively reduces the assembly difficulty of air-conditioner, and then promoted the production efficiency of air-conditioner.
According to any embodiment of the present utility model, the shape of cross section of described the second conduit is identical with the shape of cross section of described the first conduit.
The cross section of the first conduit is identical with the cross sectional shape of the second conduit, makes inflow consistent with the refrigerant pressure that flows out fluid reservoir, thereby has guaranteed the stable flow velocity of cold-producing medium, and then has guaranteed the stable of system.
According to any embodiment of the present utility model, described the first conduit and described the second conduit are copper pipe.
In order accurately to control fin size and slab-thickness, can be processed into little and smooth fluid passage by copper coin material, copper pipe quality is hard, not perishable, and high temperature high voltage resistant is safe and reliable.
Additional aspect of the present utility model and advantage will provide in description part below, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the structural representation of the air-conditioning system described in the utility model one embodiment;
Fig. 2 is the assembly structure schematic diagram of liquid storage and the first conduit in the air-conditioner shown in Fig. 1, the second conduit.
Wherein, in Fig. 1 to Fig. 2, the corresponding relation between Reference numeral and component names is:
10 air-conditioners, 1 cross valve, 11 exhaust ports, 12 condenser ports, 13 evaporimeter ports, 14 air intake duct ports, 2 compressors, 21 exhaust outlets, 22 gas returning ports, 3 outdoor heat exchangers, 4 indoor heat exchangers, 5 fluid reservoirs, 51 first import and export, and 52 second import and export, 53 first conduits, 531 spill ports, 54 second conduits, 6 throttling arrangements.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
1 to Fig. 2 the air-conditioner providing according to some embodiment of the utility model is described with reference to the accompanying drawings.
As shown in Figure 1, the air-conditioner 10 that embodiment of the utility model provides, comprising: cross valve 1, compressor 2, outdoor heat exchanger 3, indoor heat exchanger 4 and fluid reservoir 5;
Wherein, cross valve has exhaust port 11, condenser port 12, evaporimeter port 13 and air intake duct port one 4, compressor has exhaust outlet 21 and gas returning port 22, outdoor heat exchanger 3 is fin-tube type heat exchanger, indoor heat exchanger 4 is micro-channel heat exchanger, as shown in Figure 2, the bottom surface of fluid reservoir 5 is provided with the first import and export 51, the lower sidewall of fluid reservoir 5 is provided with the second import and export 52, first imports and exports 51 places is provided with the first conduit 53, and one end of the first conduit 53 extends the top of fluid reservoir 5, on the first conduit 53, be provided with spill port 531, spill port 531 is imported and exported between 52 in the first import and export 51 and second,
Particularly, exhaust outlet 21 is communicated with exhaust port phase 11, and gas returning port 22 is connected with air intake duct port one 4, and fin-tube type heat exchanger 3 is connected with condenser port 12, and micro-channel heat exchanger 4 is connected with evaporimeter port 13; The first conduit 53 is connected with fin-tube type heat exchanger by throttling arrangement 6, and second imports and exports 52 is connected with micro-channel heat exchanger.
The air-conditioner 10 that the present embodiment provides, because outdoor heat exchanger 3 is pipe finned heat exchanger, indoor heat exchanger 4 is micro-channel heat exchanger, in order to solve air-conditioner 10 inconsistent problem of coolant quantity when refrigerating operaton and the heating operation, between indoor heat exchanger 4 and outdoor heat exchanger 3, fluid reservoir 5 is set, air-conditioner 10 is when refrigerating operaton, refrigerant flows to the exhaust port 11 of cross valve 1 through the exhaust outlet 21 of compressor 2, through condenser port 12, flow to outdoor heat exchanger 3, the refrigerant flowing out from outdoor heat exchanger 3 flow to the first conduit 53 being arranged on fluid reservoir 5 through throttling arrangement 6, then from second of fluid reservoir 5, import and export 52 and flow to indoor heat exchanger 4, finally by evaporimeter port 13, air intake duct port one 4, gas returning port 22 flows back to compressor 2, now, fluid reservoir 5 is store refrigerant not substantially, bottom can not store compressor lubricant oil yet, therefore, air-conditioner 10 is when refrigerating operaton, fluid reservoir 5 does not affect refrigerating capacity and refrigerating efficiency, air-conditioner 10 is when heating operation, refrigerant flows to the exhaust port 11 of cross valve 1 through the exhaust outlet 21 of compressor 2, through evaporimeter port 13, flow to indoor heat exchanger 4, the refrigerant flowing out from indoor heat exchanger 4 flows into fluid reservoir 5 through the second import and export 52, and together with after mixing with the lubricating oil entering by spill port 531, the first conduit 53 on being arranged on fluid reservoir 5 flows out, the refrigerant flowing out from the first conduit 53 is through throttling arrangement 6, outdoor heat exchanger 3, condenser port 12, air intake duct port one 4, gas returning port 22 flows back to compressor 2, now, one end of cause the first conduit 53 extends the top of fluid reservoir 5 from the first import and export 51, so fluid reservoir 5 can hold full cold-producing medium, with balance, heat the refrigerant amount in runtime system, thereby reduced complete machine power, heating efficiency and heating capacity have been improved, and then promoted annual seasonal energy efficiency ratio (seer), in addition, the setting of spill port 531, make fluid reservoir 5 when holding full cold-producing medium, the compressor lubricant oil of fluid reservoir 5 bottoms can be brought in the middle of system by cold-producing medium mobile, can not affect lubricating life and the efficiency of compressor 2.
Particularly, throttling arrangement 6 is electric expansion valve or heating power expansion valve or capillary.
For high pressure liquid refrigerant is carried out to reducing pressure by regulating flow, guarantee the pressure differential of fluid reservoir 5, to make liquid refrigerant evaporation endothermic under the low pressure requiring, thereby reach the object of refrigeration step-down, can adopt electric expansion valve or heating power expansion valve or capillary, electric expansion valve is the valve of self-locking type, and during high frequency low-frequency operation, Energy Efficiency Ratio is high, the strong adaptability that refrigerant amount is changed, strengthens air conditioning comfortableness; Heating power expansion valve, Applicable temperature scope is large, can Fast-Balance system high-low pressure during shutdown; Capillaceous simple in structure, cause conveniently, cheap, there is no moving component, itself be difficult for producing fault and leakage, and there is auto-compensation feature to adapt to the requirement of cooling load variation to flow.
In a concrete example of the present embodiment, the second import and export 52 places are provided with the second conduit 54, the second import and export 52 and are connected with micro-channel heat exchanger by the second conduit 54.
Preferably, the shape of cross section of the second conduit 54 is identical with the shape of cross section of the first conduit 53.Like this, make inflow consistent with the refrigerant pressure that flows out fluid reservoir 5, thereby guaranteed the stable flow velocity of cold-producing medium, and then guaranteed the stable of system.
Further, preferably, the first conduit 53 and the second conduit 54 are copper pipe.
In order accurately to control fin size and slab-thickness, can be processed into little and smooth fluid passage by copper coin material, copper pipe quality is hard, not perishable, and high temperature high voltage resistant is safe and reliable.
In above-mentioned arbitrary embodiment, preferably, micro-channel heat exchanger is aluminium micro-channel heat exchanger.
Micro-channel heat exchanger passage refers to that equivalent diameter is at the heat exchanger of 10～1000 μ m, compares with conventional heat exchanger, and micro-channel heat exchanger volume is little, compact conformation, and the coefficient of heat transfer is large, and heat exchange efficiency is high, and energy-conservation reliable.
Alternatively, the first conduit 53 is L shaped pipe, or the first conduit 53 is U-shaped pipe.
Below with reference to Fig. 1, illustrate the course of work of the air-conditioner that the present embodiment provides:
As shown in Figure 1, during refrigerating operaton, the refrigerant that the exhaust outlet 21 of compressor 2 is discharged is entering through the exhaust port 11 of cross valve 1 first, again through the condenser port 12 of cross valve 1, enter into outdoor heat converter 3 cooling after, enter throttling arrangement 6 and carry out throttling, refrigerant after throttling enters from being arranged on the first conduit 53 of the first import and export 51 of fluid reservoir 5, then from being arranged on second of fluid reservoir 5, import and export the second conduit 54 outflows of 52, flow to indoor heat converter 4, finally the evaporimeter port 13 by cross valve 1 enters, through the air intake duct port one 4 of cross valve 1, flow to the gas returning port 22 of compressor 2.
During heating operation, the refrigerant that the gas returning port 22 of compressor 2 is discharged first enters through the air intake duct port one 4 of cross valve 1, evaporimeter port 13 through cross valve 1, after entering into indoor heat converter 4 heat exchange, from being arranged on the second conduit 54 of the second import and export 52 of fluid reservoir 5, enter, then refrigerant mixes the lubricating oil entering by spill port 531, from being positioned at the one end of the second conduit 54 at the top of fluid reservoir 5, flow into together, from the other end that is positioned at the first import and export 51 places, flow out, enter throttling arrangement 6 throttlings, after throttling, enter again outdoor heat converter 3, finally by the exhaust port 11 of cross valve 1, enter the exhaust outlet 21 of compressor 2.
In sum, the air-conditioner that the present embodiment provides, outdoor employing pipe finned heat exchanger, indoor employing micro-channel heat exchanger, is provided with fluid reservoir between pipe finned heat exchanger and micro-channel heat exchanger, and air-conditioner is when refrigerating operaton, fluid reservoir is store refrigerant not substantially, bottom can not store compressor lubricant oil yet, and now, fluid reservoir does not affect refrigerating capacity and refrigerating efficiency; Air-conditioner is when refrigerating operaton, now, one end of cause the first conduit extends the top of fluid reservoir from the first import and export, so fluid reservoir can hold full cold-producing medium, with balance, heat the refrigerant amount in runtime system, thereby reduced complete machine power, heating efficiency and heating capacity have been improved, and then promoted annual seasonal energy efficiency ratio (seer), in addition, the setting of spill port, makes fluid reservoir when holding full cold-producing medium, the compressor lubricant oil of fluid reservoir bottom can be brought in the middle of system by cold-producing medium mobile, can not affect lubricating life and the efficiency of compressor.
In description of the present utility model, term " first ", " second " be the object for describing only, and can not be interpreted as indication or hint relative importance, unless otherwise clearly defined and limited.
In description of the present utility model, term " installation ", " being connected " etc. all should be interpreted broadly, and for example, " being connected " can be to be directly connected, and also can indirectly be connected by intermediary.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 description of this description, the specific features that the description of term " embodiment ", " some embodiment " etc. means to describe in conjunction with this embodiment or example, structure, material or be contained at least one embodiment of the present utility model or example when special.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And, the specific features of description, structure, material or can be with suitable mode combination in any one or more embodiment or example when special.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. an air-conditioner, is characterized in that, comprising:
Cross valve, described cross valve has exhaust port, condenser port, evaporimeter port and air intake duct port;
Compressor, described compressor has exhaust outlet and gas returning port, and described exhaust outlet is connected with described exhaust port, and described gas returning port is connected with described air intake duct port;
Outdoor heat exchanger, described outdoor heat exchanger is fin-tube type heat exchanger, described fin-tube type heat exchanger is connected with described condenser port;
Indoor heat exchanger, described indoor heat exchanger is micro-channel heat exchanger, described micro-channel heat exchanger is connected with described evaporimeter port; With
Fluid reservoir, the bottom surface of described fluid reservoir is provided with the first import and export, the lower sidewall of described fluid reservoir is provided with the second import and export, described the first import and export is provided with the first conduit, and one end of described the first conduit extends the top of described fluid reservoir, on described the first conduit, be provided with spill port, described spill port is between described the first import and export and described second are imported and exported, described the first conduit is connected with described fin-tube type heat exchanger by throttling arrangement, and described the second import and export are connected with described micro-channel heat exchanger.
2. air-conditioner according to claim 1, is characterized in that,
Described micro-channel heat exchanger is aluminium micro-channel heat exchanger.
3. air-conditioner according to claim 2, is characterized in that,
Described the first conduit is L shaped pipe or U-shaped pipe.
4. according to the air-conditioner described in any one in claims 1 to 3, it is characterized in that,
Described throttling arrangement is electric expansion valve or heating power expansion valve or capillary.
5. air-conditioner according to claim 4, is characterized in that,
Described the second import and export is provided with the second conduit, and described the second import and export are connected with described micro-channel heat exchanger by described the second conduit.
6. air-conditioner according to claim 5, is characterized in that,
The shape of cross section of described the second conduit is identical with the shape of cross section of described the first conduit.
7. air-conditioner according to claim 6, is characterized in that,
Described the first conduit and described the second conduit are copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422714.7U CN204006772U (en) | 2014-07-29 | 2014-07-29 | Air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422714.7U CN204006772U (en) | 2014-07-29 | 2014-07-29 | Air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204006772U true CN204006772U (en) | 2014-12-10 |
Family
ID=52046765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420422714.7U Expired - Lifetime CN204006772U (en) | 2014-07-29 | 2014-07-29 | Air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204006772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641361A (en) * | 2016-11-29 | 2017-05-10 | 广州华凌制冷设备有限公司 | Self-adaptive throttle valve and air conditioning system |
| CN111637585A (en) * | 2020-05-07 | 2020-09-08 | 宁波奥克斯电气股份有限公司 | Refrigerant adjusting method and system used in air conditioner cooling or heating mode and air conditioner |
-
2014
- 2014-07-29 CN CN201420422714.7U patent/CN204006772U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641361A (en) * | 2016-11-29 | 2017-05-10 | 广州华凌制冷设备有限公司 | Self-adaptive throttle valve and air conditioning system |
| CN106641361B (en) * | 2016-11-29 | 2021-02-19 | 广州华凌制冷设备有限公司 | Self-adaptive throttle valve and air conditioning system |
| CN111637585A (en) * | 2020-05-07 | 2020-09-08 | 宁波奥克斯电气股份有限公司 | Refrigerant adjusting method and system used in air conditioner cooling or heating mode and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |