CN203163327U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN203163327U CN203163327U CN201320068753.7U CN201320068753U CN203163327U CN 203163327 U CN203163327 U CN 203163327U CN 201320068753 U CN201320068753 U CN 201320068753U CN 203163327 U CN203163327 U CN 203163327U
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Abstract
The utility model discloses an air conditioning system comprising a gas-liquid separator, a second heat exchanger, and a refrigerant regulation unit. The refrigerant regulation unit comprises a second liquid storage device for storing refrigerant, a refrigerant collection solenoid valve, a refrigerant supplement solenoid valve, and a sensor, wherein the refrigerant collection solenoid valve and the refrigerant supplement solenoid valve are used for controlling passing of the refrigerant, the pressure sensor is used for detecting refrigerant pressure of an air conditioner circulation system. An inlet end of the second liquid storage device is connected with one end of the refrigerant collection solenoid valve, and the other end of the refrigerant collection solenoid valve is connected with one end of the second heat exchanger. An outlet end of the second liquid storage device is connected with one end of the refrigerant supplement solenoid valve, and the other end of the refrigerant supplement solenoid valve is connected to an inlet end of the gas-liquid separator. The refrigerant regulation unit further comprises a controller, wherein when the pressure sensor detects the refrigerant pressure of the air conditioner circulation system is larger than a refrigerant collection threshold value, the controller controls to open the refrigerant collection solenoid valve; when the pressure sensor detects the refrigerant pressure of the air conditioner circulation system is smaller than a refrigerant supplement threshold value, the controller controls to open the refrigerant supplement solenoid valve; and accordingly the amount of the air conditioner refrigerant is regulated.
Description
Technical field
The utility model relates to air-conditioning technical field, relates in particular to a kind of air-conditioning system.
Background technology
In recent years, refrigerating and air conditioning industry is along with the raising of development and national economy and people's living standard has obtained unprecedented development.Because people are to improving constantly that quality of life requires, refrigerating and air conditioning industry will have more vast potential for future development in new century.Yet when following air-conditioning industry flourish, people are also more and more higher to the requirement of air-conditioning, and are not only energy-conservation, and environmental protection and intellectuality also require the people in the air-conditioned room to feel that refrigeration is good, not only will lower the temperature in time but also require comfortable.
Air conditioner circulating system generally comprises compressor, condenser, throttling arrangement, evaporimeter, gas-liquid separator, cross valve, reaches the pipeline that connects each parts, cold-producing medium circulates in this system, realize refrigerating operaton or heating operation, regulate indoor environment temperature and humidity, guarantee that indoor environment temperature and humidity reach setting value.The cold-producing medium that generally adopts is R22 at present, because the influence of depletion of the ozone layer and global warming, progressively substitute R22 with R410A now, for each cooling cycle system, the charging amount of its cold-producing medium is certain, as being the air-conditioner of 2500W for specified refrigerating capacity, the charging amount of cold-producing medium is generally about 700g, is the air-conditioner of 3500W for specified refrigerating capacity, and the charging amount of cold-producing medium is generally 900g, use R410A and R22, the charging amount difference of cold-producing medium is little.
Air-conditioner is when carrying out normal refrigerating operaton and heating operation, because the system matches situations such as heat exchange area of indoor heat exchanger and outdoor heat exchanger is different, for obtain best refrigeration efficiency than and heating energy efficiency ratio, air-conditioner needed refrigerant amount when refrigerating operaton is different often with needed refrigerant amount when the heating operation.Yet, because air-conditioner its refrigerator charging amount when dispatching from the factory is certain, so for each air-conditioning system, can only guarantee that an interim performance of refrigeration efficiency or heating energy efficiency ratio is in optimum value.
Obtain best refrigeration efficiency ratio and heating energy efficiency ratio simultaneously in order to try one's best, the method that generally adopts is at present, adopt the method by the heat exchange area that changes evaporimeter or refrigerator, make heat exchange area and the refrigerant charge of two devices be complementary, thereby guarantee under the situation of refrigeration efficiency ratio or heating energy efficiency ratio, improve other heating energy efficiency ratio or refrigeration efficiency ratio as far as possible, but there is deficiency in this mode, because the shell sizes of air conditioner room unit and off-premises station is certain, can not arbitrarily change, so that also relative fixed of the size of two devices, the scope of change is subjected to great restriction, also is difficult to control.
The utility model content
The purpose of this utility model is to propose a kind of air-conditioning system that can in good time adjust the air conditioner coolant amount.
For reaching this purpose, the utility model by the following technical solutions:
A kind of air-conditioning system, comprise gas-liquid separator, second heat exchanger, this air-conditioning system also comprises the refrigerant adjusting device, described refrigerant adjusting device comprises for second reservoir that stores refrigerant, be used for receipts refrigerant magnetic valve that the control refrigerant passes through and add the refrigerant magnetic valve, pressure sensor for detection of the refrigerant pressure in the air conditioner circulating system, the arrival end of described second reservoir connects an end of receiving the refrigerant magnetic valve, the other end of described receipts refrigerant magnetic valve connects an end of second heat exchanger, the port of export of described second reservoir connects an end that adds the refrigerant magnetic valve, and the described other end that adds the refrigerant magnetic valve connects the arrival end of gas-liquid separator;
Described refrigerant adjusting device comprises that also the control when receiving the refrigerant threshold value of the refrigerant pressure that detects air conditioner circulating system for described pressure sensor opens refrigerant pressure control when adding the refrigerant threshold value that described receipts refrigerant magnetic valve, pressure sensor detect in the air conditioner circulating system and open the described controller that adds the refrigerant magnetic valve, the signal output part of described pressure sensor is connected with the signal input part of described controller, receives the control end of refrigerant magnetic valve, the control end that adds the refrigerant magnetic valve is connected with the control end of controller respectively.
Wherein, be provided with check valve assembly between described receipts refrigerant magnetic valve and described second heat exchanger, described receipts refrigerant magnetic valve connects first end of described check valve assembly, and second end of described check valve assembly connects an end of described second heat exchanger.
Wherein, this air-conditioning system also comprises compressor, four-way change-over valve, the 3rd heat exchanger, capillary module, the arrival end of described compressor connects the port of export of described gas-liquid separator, the port of export of described compressor connects first end of described four-way change-over valve, second end of described four-way change-over valve connects the other end of described second heat exchanger, the 3rd end of described four-way change-over valve connects the arrival end of described gas-liquid separator, the 4th end of described four-way change-over valve connects an end of described the 3rd heat exchanger, the other end of described the 3rd heat exchanger connects the 4th end of described check valve assembly, the 3rd end of described check valve assembly connects an end of described capillary module, and the other end of described capillary module connects first end of described check valve assembly.
Wherein, be connected with first heat exchanger between first end of described compressor and described four-way change-over valve, be connected with the heat exchange magnetic valve between the two ends of described first heat exchanger, described first heat exchanger is connected with a hot water inlet pipe and a hot outlet pipe, and described hot water inlet pipe is provided with water filter and water pump.
Wherein, described capillary module comprises first reservoir that two capillaries being connected in parallel, magnetic valve that an end is connected with an end capillaceous and an end are connected with the other end capillaceous, the other end of described magnetic valve is connected with the 3rd end of described check valve assembly, and the other end of described first reservoir is connected with first end of described check valve assembly.
Wherein, be connected with filter between described capillary and described first reservoir.
Wherein, be provided with first check valve between the 4th end of described the 3rd heat exchanger one end and described four-way change-over valve, be provided with between the 4th end of the other end of described the 3rd heat exchanger and described check valve assembly and heat magnetic valve, be connected with second check valve between the end of a described end that heats magnetic valve that is connected with the 4th end of described check valve assembly, described first check valve that is connected with the 4th end of described four-way change-over valve.
The beneficial effects of the utility model are: air-conditioning system of the present utility model is by arranging the refrigerant adjusting device, utilize second reservoir in the refrigerant adjusting device, the receipts refrigerant magnetic valve that is connected with the arrival end of second reservoir, the cooperation that adds the refrigerant magnetic valve that is connected with the port of export of second reservoir, and adopts pressure sensor is gathered the refrigerant pressure of air-conditioning system, controller is controlled according to the refrigerant pressure of the air-conditioning system of pressure sensor collection and is received the refrigerant magnetic valve or add opening automatically of refrigerant magnetic valve, when pressure sensor detects refrigerant pressure in the air conditioner circulating system when receiving the refrigerant threshold value, receive the refrigerant magnetic valve and open automatically, make that the refrigerant in the air conditioner circulating system enters in second reservoir through second heat exchanger; When pressure sensor detects refrigerant pressure in the air conditioner circulating system when adding the refrigerant threshold value, adding the refrigerant magnetic valve opens automatically, make the refrigerant in the refrigerant reservoir enter in the air conditioner circulating system through gas-liquid separator, this will make the refrigerant in refrigerant reservoir and the air conditioner circulating system regulate, thereby realize adjusting the air conditioner coolant amount in good time.
Description of drawings
Fig. 1 is the principle schematic of air-conditioning system of the present utility model.
Among the figure: the 1-compressor; The 2-gas-liquid separator; The 3-capillary; The 4-magnetic valve; The 5-filter; 6-second reservoir; 7-first reservoir; The 8-check valve assembly; 9-receives the refrigerant magnetic valve; 10-adds the refrigerant magnetic valve; 11-second heat exchanger; The 12-four-way change-over valve; 13-heat exchange magnetic valve; 14-first heat exchanger; The 15-water pump; The 16-water filter; 17-the 3rd heat exchanger; 18-heats magnetic valve.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
As shown in Figure 1, a kind of air-conditioning system, comprise gas-liquid separator 2, second heat exchanger 11, this air-conditioning system also comprises the refrigerant adjusting device, the refrigerant adjusting device comprises for second reservoir 6 that stores refrigerant, be used for receipts refrigerant magnetic valve 9 that the control refrigerant passes through and add refrigerant magnetic valve 10, pressure sensor for detection of the refrigerant pressure in the air conditioner circulating system, the arrival end of second reservoir 6 connects an end of receiving refrigerant magnetic valve 9, the other end of receiving refrigerant magnetic valve 9 connects an end of second heat exchanger 11, the port of export of second reservoir 6 connects an end that adds refrigerant magnetic valve 10, and the other end that adds refrigerant magnetic valve 10 connects the arrival end of gas-liquid separator 2; The refrigerant adjusting device comprises also that the control when receiving the refrigerant threshold value of the refrigerant pressure that detects air conditioner circulating system for pressure sensor is opened and receives refrigerant pressure control when adding the refrigerant threshold value that refrigerant magnetic valve 9, pressure sensor detect in the air conditioner circulating system and open the controller that adds refrigerant magnetic valve 10, the signal output part of pressure sensor is connected with the signal input part of controller, receives the control end of refrigerant magnetic valve 9, the control end that adds refrigerant magnetic valve 10 is connected with the control end of controller respectively.Wherein, in the utility model, receive the refrigerant threshold value and add the refrigerant threshold value and refer to this air-conditioning system in running, the force value of the refrigerant that needs in the circulating line.This adjusting system is by arranging the refrigerant adjusting device, utilize second reservoir 6 in the refrigerant adjusting device, the receipts refrigerant magnetic valve 9 that is connected with the arrival end of second reservoir 6, the cooperation that adds refrigerant magnetic valve 10 that is connected with the port of export of second reservoir 6, and adopts pressure sensor is gathered the refrigerant pressure of air-conditioning system, controller is controlled according to the refrigerant pressure of the air-conditioning system of pressure sensor collection and is received refrigerant magnetic valve 9 or add opening automatically of refrigerant magnetic valve 10, when pressure sensor detects refrigerant pressure in the air conditioner circulating system when receiving the refrigerant threshold value, receive refrigerant magnetic valve 9 and open automatically, make that the refrigerant in the air conditioner circulating system enters in second reservoir 6 through second heat exchanger 11; When pressure sensor detects refrigerant pressure in the air conditioner circulating system when adding the refrigerant threshold value, adding refrigerant magnetic valve 10 opens automatically, make the refrigerant in the refrigerant reservoir 6 enter in the air conditioner circulating system through gas-liquid separator, this will make refrigerant reservoir 6 and the refrigerant in the air conditioner circulating system regulate, thereby realize adjusting the air conditioner coolant amount in good time.
Receive between refrigerant magnetic valve 9 and second heat exchanger 11 and be provided with check valve assembly 8, receive first end that refrigerant magnetic valve 9 connects check valve assembly 8, second end of check valve assembly 8 connects an end of second heat exchanger 11.Wherein, check valve assembly 8 is to be formed by connecting by 4 check valves.
This air-conditioning system also comprises compressor 1, four-way change-over valve 12, the 3rd heat exchanger 17, capillary module, the arrival end of compressor 1 connects the port of export of described gas-liquid separator 2, the port of export of compressor 1 connects first end of four-way change-over valve 12, second end of four-way change-over valve 12 connects the other end of second heat exchanger 11, the 3rd end of four-way change-over valve 12 connects the arrival end of gas-liquid separator 2, the 4th end of four-way change-over valve 12 connects an end of the 3rd heat exchanger 17, the other end of the 3rd heat exchanger 17 connects the 4th end of check valve assembly 8, the 3rd end of check valve assembly 8 connects an end of capillary module, and the other end of capillary module connects first end of check valve assembly 8.
Be connected with first heat exchanger 14 between first end of compressor 1 and four-way change-over valve 12, be connected with heat exchange magnetic valve 13 between the two ends of first heat exchanger 14, first heat exchanger 14 is connected with a hot water inlet pipe and a hot outlet pipe, and hot water inlet pipe is provided with water filter 16 and water pump 15.By water filter 16 and water pump 15 are set at hot water inlet pipe, not only can guarantee to enter in first heat exchanger 14 of air-conditioning system in the water with the refrigerant heat exchange purer, can behind the air-conditioning long-play, not stop up water inlet pipe, can also effectively guarantee the hot water inflow, it is more stable that hot water is entered, and is conducive to the effect of controlling refrigeration or heating.
Capillary module comprises first reservoir 7 that two capillaries 3 being connected in parallel, magnetic valve 4 that an end is connected with an end of capillary 3 and an end are connected with the other end of capillary 3, the other end of magnetic valve 4 is connected with the 3rd end of check valve assembly 8, and the other end of first reservoir 7 is connected with first end of check valve assembly 8.By two capillaries 3 in parallel, can be so that air conditioner refrigerating speed be fast and energy-conservation again.
Be connected with filter 5 between capillary 3 and first reservoir 7.
Be provided with first check valve between the 4th end of the 3rd heat exchanger 17 1 ends and four-way change-over valve 12, be provided with between the 4th end of the other end of the 3rd heat exchanger 17 and check valve assembly 8 and heat magnetic valve 18, be connected with second check valve between the end of an end that heats magnetic valve 18 that is connected with the 4th end of described check valve assembly 8, first check valve that is connected with the 4th end of four-way change-over valve 12.
In the present embodiment, the control method of air-conditioning system may further comprise the steps:
Compressor 1 is compressed into refrigerant the gas of HTHP; The cold media gas of HTHP is through first heat exchanger 14, and at this moment, heat exchange magnetic valve 13 is opened, and makes the cold media gas of HTHP and the recirculated water that enters into first heat exchanger 14 from hot water inlet pipe carry out heat exchange, forms the refrigerant liquid of cryogenic high pressure;
When this air-conditioning system during at refrigerating operaton, the refrigerant liquid of cryogenic high pressure flows into from first end of four-way change-over valve 12, flow to second heat exchanger 11 from second end of four-way change-over valve 12, refrigerant after 11 heat exchange of second heat exchanger flows to check valve assembly 8, at this moment, pressure sensor detects the refrigerant pressure of this air conditioner circulating system, if pressure sensor detects refrigerant pressure in the air conditioner circulating system when receiving the refrigerant threshold value, controller control is received refrigerant magnetic valve 9 and is opened, make a part of refrigerant that has more flow into check valve assembly 8 through second end of check valve assembly 8, store from back the entering second reservoir 6 by receipts refrigerant magnetic valve 9 of first end outflow of check valve assembly 8, and another part refrigerant enters capillary module after first end of check valve assembly 8 flows out, namely successively through first reservoir 7, filter 5, capillary 3, behind the magnetic valve 4, form the liquid coolant of low-temp low-pressure, after flowing to check valve assembly 8 the 3rd end again, heat magnetic valve 18 from the 4th end flow direction of check valve assembly 8, flow to the 3rd heat exchanger 17 behind the magnetic valve 18 and carry out heat exchange again through heating, refrigerant after the heat exchange flows to the 4th end of four-way change-over valve 12 through first check valve, the 3rd end through four-way change-over valve 12 flows to gas-liquid separator 2, finally flow back to compressor 1, finish once refrigeration; And circulation is carried out always, realizes refrigeration.
When this air-conditioning system during at heating operation, the liquid coolant of cryogenic high pressure flows into from first end of four-way change-over valve 12, flow to second check valve from the 4th end of four-way change-over valve 12, refrigerant flows to check valve assembly 8 after through second check valve, at this moment, pressure sensor detects the refrigerant pressure of this air-conditioning system, if pressure sensor detects refrigerant pressure in the air-conditioning system when adding the refrigerant threshold value, controller control adds refrigerant magnetic valve 10 and opens, refrigerant in the reservoir 6 of winning is flowed out from first reservoir 6, after adding refrigerant magnetic valve 10, enter gas-liquid separator 2, and then enter to enter after compressing in the compressor 1 and carry out replenishing of refrigerant in the air-conditioning system, when the refrigerant pressure in the pressure sensor detection air-conditioning system is sufficient, the refrigerant of the 4th end of check valve assembly 8 of flowing through will enter capillary module after first end of check valve assembly 8 flows out, namely successively through first reservoir 7, filter 5, capillary 3, behind the magnetic valve 4, after flowing to check valve assembly 8 the 3rd end again, flow to second heat exchanger 11 from the 4th end of check valve assembly 8, through with 11 heat exchange of second heat exchanger after refrigerant flow to second end of four-way change-over valve 12, the 3rd end through four-way change-over valve 12 flows to gas-liquid separator 2, finally flow back to compressor 1, finish once heating; And circulation is carried out always, realizes heating.
In the utility model, by in circulation line, connecting check valve, make this air-conditioning system not only can freeze, can heat again, and also simple in structure, easy for installation.Simultaneously, by the refrigerant adjusting device, make air-conditioning system in refrigeration or when heating, can coolant quantity according to actual needs come the coolant quantity in the timely adjustment air-conditioning system, this makes the refrigeration of this air-conditioning system and the speed that heats fast, the energy conversion efficiency height.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, and these modes all will fall within the protection domain of the present utility model.
Claims (7)
1. air-conditioning system, comprise gas-liquid separator (2), second heat exchanger (11), it is characterized in that: this air-conditioning system also comprises the refrigerant adjusting device, described refrigerant adjusting device comprises for second reservoir (6) that stores refrigerant, be used for receipts refrigerant magnetic valve (9) that the control refrigerant passes through and add refrigerant magnetic valve (10), pressure sensor for detection of the refrigerant pressure in the air conditioner circulating system, the arrival end of described second reservoir (6) connects an end of receiving refrigerant magnetic valve (9), the other end of described receipts refrigerant magnetic valve (9) connects an end of second heat exchanger (11), the port of export of described second reservoir (6) connects an end that adds refrigerant magnetic valve (10), and the described other end that adds refrigerant magnetic valve (10) connects the arrival end of gas-liquid separator (2);
Described refrigerant adjusting device comprises that also the control when receiving the refrigerant threshold value of the refrigerant pressure that detects air conditioner circulating system for described pressure sensor opens refrigerant pressure control when adding the refrigerant threshold value that described receipts refrigerant magnetic valve (9), pressure sensor detect in the air conditioner circulating system and open the described controller that adds refrigerant magnetic valve (3), the signal output part of described pressure sensor is connected with the signal input part of described controller, receives the control end of refrigerant magnetic valves (9), the control end that adds refrigerant magnetic valve (10) is connected with the control end of controller respectively.
2. a kind of air-conditioning system according to claim 1, it is characterized in that: be provided with check valve assembly (8) between described receipts refrigerant magnetic valve (9) and described second heat exchanger (11), described receipts refrigerant magnetic valve (9) connects first end of described check valve assembly (8), and second end of described check valve assembly (8) connects an end of described second heat exchanger (11).
3. a kind of air-conditioning system according to claim 2, it is characterized in that: this air-conditioning system also comprises compressor (1), four-way change-over valve (12), the 3rd heat exchanger (17), capillary module, the arrival end of described compressor (1) connects the port of export of described gas-liquid separator (2), the port of export of described compressor (1) connects first end of described four-way change-over valve (12), second end of described four-way change-over valve (12) connects the other end of described second heat exchanger (11), the 3rd end of described four-way change-over valve (12) connects the arrival end of described gas-liquid separator (2), the 4th end of described four-way change-over valve (12) connects an end of described the 3rd heat exchanger (17), the other end of described the 3rd heat exchanger (17) connects the 4th end of described check valve assembly (8), the 3rd end of described check valve assembly (8) connects an end of described capillary module, and the other end of described capillary module connects first end of described check valve assembly (8).
4. a kind of air-conditioning system according to claim 3, it is characterized in that: be connected with first heat exchanger (14) between first end of described compressor (1) and described four-way change-over valve (12), be connected with heat exchange magnetic valve (13) between the two ends of described first heat exchanger (14), described first heat exchanger (14) is connected with a hot water inlet pipe and a hot outlet pipe, and described hot water inlet pipe is provided with water filter (16) and water pump (15).
5. a kind of air-conditioning system according to claim 3, it is characterized in that: described capillary module comprises first reservoir (7) that two capillaries (3) of being connected in parallel, magnetic valve (4) that an end is connected with an end of capillary (3) and an end are connected with the other end of capillary (3), the other end of described magnetic valve (4) is connected with the 3rd end of described check valve assembly (8), and the other end of described first reservoir (7) is connected with first end of described check valve assembly (8).
6. a kind of air-conditioning system according to claim 5 is characterized in that: be connected with filter (5) between described capillary (3) and described first reservoir (7).
7. a kind of air-conditioning system according to claim 4, it is characterized in that: be provided with first check valve between the 4th end of described the 3rd heat exchanger (17) one ends and described four-way change-over valve (12), be provided with between the 4th end of the other end of described the 3rd heat exchanger (17) and described check valve assembly (8) and heat magnetic valve (18), a described end that heats magnetic valve (18) that is connected with the 4th end of described check valve assembly (8), be connected with second check valve between the end that described first check valve that is connected with the 4th end of described four-way change-over valve (12) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320068753.7U CN203163327U (en) | 2013-02-05 | 2013-02-05 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320068753.7U CN203163327U (en) | 2013-02-05 | 2013-02-05 | Air conditioning system |
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| CN203163327U true CN203163327U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320068753.7U Expired - Fee Related CN203163327U (en) | 2013-02-05 | 2013-02-05 | Air conditioning system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697643A (en) * | 2013-12-18 | 2014-04-02 | 四川长虹电器股份有限公司 | Air conditioning system |
| CN104279789A (en) * | 2013-07-11 | 2015-01-14 | 东莞市微电环保科技有限公司 | Triple co-generation air conditioner system |
| CN104949375A (en) * | 2014-03-28 | 2015-09-30 | 珠海格力电器股份有限公司 | Air conditioning system and refrigerant adjustment and control method |
| CN105674641A (en) * | 2014-11-18 | 2016-06-15 | 上海日立电器有限公司 | Air conditioning system and method for automatically adjusting actual refrigerant charge of the air conditioning system |
| CN107894112A (en) * | 2017-11-09 | 2018-04-10 | 珠海格力电器股份有限公司 | High drop method of controlling security and air-conditioning system |
| CN110332158A (en) * | 2019-07-25 | 2019-10-15 | 恩平市华南重工科技有限公司 | A kind of extruder hydraulic oil cooling device and its control method |
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2013
- 2013-02-05 CN CN201320068753.7U patent/CN203163327U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279789A (en) * | 2013-07-11 | 2015-01-14 | 东莞市微电环保科技有限公司 | Triple co-generation air conditioner system |
| CN104279789B (en) * | 2013-07-11 | 2017-11-07 | 东莞市微电环保科技有限公司 | A kind of trilogy supply air-conditioning system |
| CN103697643A (en) * | 2013-12-18 | 2014-04-02 | 四川长虹电器股份有限公司 | Air conditioning system |
| CN103697643B (en) * | 2013-12-18 | 2016-01-13 | 四川长虹电器股份有限公司 | A kind of air-conditioning system |
| CN104949375A (en) * | 2014-03-28 | 2015-09-30 | 珠海格力电器股份有限公司 | Air conditioning system and refrigerant adjustment and control method |
| CN105674641A (en) * | 2014-11-18 | 2016-06-15 | 上海日立电器有限公司 | Air conditioning system and method for automatically adjusting actual refrigerant charge of the air conditioning system |
| CN105674641B (en) * | 2014-11-18 | 2018-03-23 | 上海海立电器有限公司 | Air-conditioning system and the method for automatically adjusting the actual refrigerant charge of air-conditioning system |
| CN107894112A (en) * | 2017-11-09 | 2018-04-10 | 珠海格力电器股份有限公司 | High drop method of controlling security and air-conditioning system |
| CN107894112B (en) * | 2017-11-09 | 2020-02-07 | 珠海格力电器股份有限公司 | High-fall safety control method and air conditioning system |
| CN110332158A (en) * | 2019-07-25 | 2019-10-15 | 恩平市华南重工科技有限公司 | A kind of extruder hydraulic oil cooling device and its control method |
| CN110332158B (en) * | 2019-07-25 | 2020-10-09 | 恩平市华南重工科技有限公司 | Hydraulic oil cooling device of extruder and control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170828 Address after: 614000, building 7, B zone, hi tech Zone, Leshan hi tech Zone, Sichuan Patentee after: SICHUAN SKY EARTH ENERGY ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 523808 Guangdong province Dongguan City Songshan Lake High-Tech Industrial Park 6 Building No. 409 Keyuan pine Patentee before: Dongguan City Wei electricity Environmental Protection Technology Co., Ltd |
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