CN203857702U - Air-supplying enthalpy-adding air conditioning system - Google Patents
Air-supplying enthalpy-adding air conditioning system Download PDFInfo
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- CN203857702U CN203857702U CN201420190134.XU CN201420190134U CN203857702U CN 203857702 U CN203857702 U CN 203857702U CN 201420190134 U CN201420190134 U CN 201420190134U CN 203857702 U CN203857702 U CN 203857702U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 30
- 230000001502 supplementing effect Effects 0.000 claims description 23
- 239000007788 liquid Substances 0.000 abstract description 29
- 239000003507 refrigerant Substances 0.000 abstract description 20
- 238000000926 separation method Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an air-supplying enthalpy-adding air conditioning system. The air-supplying enthalpy-adding air conditioning system comprises a compressor, a condenser, an evaporator, a flash evaporator and a first throttling device; the flash evaporator is provided with a first connector, a second connector and a third connector; the first connector is communicated with a second port of the condenser; the second connector is communicated with a third port of the evaporator; the third connector is communicated with an air supply port; the first throttling device is arranged between the condenser and the first connector; an auxiliary heat exchanger is arranged on a first connecting pipeline between the condenser and the first throttling device; a second connecting pipeline between the third connector and the air supply port also passes through the auxiliary heat exchanger, so a liquid refrigerant which flows out from the condenser passes through the auxiliary heat exchanger first, then is throttled in the first throttling device and is subjected to gas-liquid separation in the flash evaporator; the gas refrigerant which contains part liquid after the separation enters the auxiliary heat exchanger through the third connector, so that the refrigerant entering the air supply port is changed into a gas state and enters the compressor for supplying air to the compressor.
Description
Technical field
The utility model belongs to air-conditioning technical field, is specifically related to the air-conditioning system that a kind of tonifying Qi increases enthalpy.
Background technology
Air-conditioning is a kind of indoor air temperature adjusting device, by drawing room air, flows back to indoorly after over-heat-exchanger changes its temperature again, and the function such as realize refrigeration or heat, to provide comfortable Interior Temperature Environment for people.
In order to increase air-conditioning system heating capacity operated by rotary motion air-supplying enthalpy-adding device at low temperatures, as shown in Figure 1, the air-conditioning system that tonifying Qi increases enthalpy be generally after cold-producing medium flows through condenser 02 through first throttle device 05, enter afterwards the flash vessel 04 as gas-liquid separation device; In flash vessel 04, gas directly enters compressor 1 intermediate compression chamber as tonifying Qi source, liquid in flash vessel 04 second throttling arrangement 06 of flowing through enters evaporimeter 03 after throttling again, can improve the heating performance of compressor 1 to compressor 01 tonifying Qi like this by flash vessel 04.
But, due to the restricted volume of flash vessel 04 and the disorderly state of fluid after one-level throttling, make in flash vessel 04 liquid level not controlled, thereby gas-liquid can not be completely separated, cause partially liq in flash vessel 04 along with gas enters the intermediate compression chamber of compressor 1, cause the temperature of compressor 1 to reduce, oil lubrication effect reduces, even cause compressor hydraulic compression, damage compressor.
Summary of the invention
The air-conditioning system that the utility model provides a kind of tonifying Qi to increase enthalpy, the cold-producing medium that has guaranteed to enter from flash vessel compressor is gaseous state, avoids the liquid in flash vessel to enter in compressor, thereby improves compressor performance and reliability.
For reaching above-mentioned technical purpose, the utility model is realized by the following technical solutions:
Tonifying Qi increases an air-conditioning system for enthalpy, comprises compressor, has air entry, exhaust outlet and gas supplementing opening, and condenser has the first port and the second port, and described the first port is connected with exhaust outlet; Evaporimeter, has the 3rd port and the 4th port, and described the 4th port is connected with air entry; Flash vessel, has first interface, the second interface and the 3rd interface, and described first interface is connected with the second port of condenser, and described the second interface is connected with the 3rd port of evaporimeter, and described the 3rd interface is connected with gas supplementing opening; First throttle device, is arranged between described condenser and first interface; The second throttling arrangement, is arranged between the second interface of described flash vessel and the 3rd port of evaporimeter; On the first connecting line between described condenser and first throttle device, be provided with supplementary heat exchanger, the second connecting line between described the 3rd interface and gas supplementing opening is also by described supplementary heat exchanger.
For the liquid level of controlling refrigerant liquid in flash vessel in the reasonable scope, compressor gas supplementing opening cold-producing medium is low superheat state refrigerant gas, described exhaust outlet is provided with the first temperature sensor and the first pressure sensor.
Further, described air-conditioning system regulates the aperture of first throttle device according to the numerical value of the first temperature sensor and the first pressure sensor feedback.
Further, described first throttle device is aperture adjustable apparatus, and when the discharge superheat of compressor is higher, the aperture of first throttle device increases; When the discharge superheat of compressor is on the low side, the aperture of first throttle device reduces.
Further, between described supplementary heat exchanger and gas supplementing opening, be provided with check valve.
Further, the 4th port of described evaporimeter is provided with the second temperature sensor, and described air entry is provided with the second pressure sensor.
Further, described air-conditioning system regulates the aperture of the second throttling arrangement according to the numerical value of the second temperature sensor and the second pressure sensor feedback.
Further, described the second throttling arrangement is aperture adjustable apparatus, and when the evaporator outlet degree of superheat is higher, the aperture of the second throttling arrangement increases; When the evaporator outlet degree of superheat is on the low side, the aperture of the second throttling arrangement reduces.
Further, described supplementary heat exchanger is plate type heat exchanger or double-tube heat exchanger.
Further, described first throttle device is electric expansion valve.
Further, described the second throttling arrangement is electric expansion valve.
The tonifying Qi that the utility model provides increases the air-conditioning system of enthalpy, by being provided with supplementary heat exchanger on the first connecting line between described condenser and first throttle device, and the second connecting line between described the 3rd interface and gas supplementing opening is also by described supplementary heat exchanger; The liquid refrigerant flowing out from condenser the second port so first passes through supplementary heat exchanger, enter afterwards first throttle device and carry out throttling, two phase refrigerant fluid after throttling enters and in flash vessel, carries out gas-liquid separation, the gaseous refrigerant that contains partially liq after separation enters supplementary heat exchanger by the 3rd interface, the liquid refrigerant flowing out with condenser the second port carries out heat exchange, guaranteed to become gaseous state by the cold-producing medium after supplementary heat exchanger heat exchange, entered compressor compressor is carried out to tonifying Qi; Avoid the partially liq in flash vessel to enter in compressor, cause compressor temperature to reduce, oil lubrication effect reduces, and even causes compressor hydraulic compression, damages compressor.
Read by reference to the accompanying drawings after the specific embodiment of the present utility model, other features of the present utility model and advantage will become clearer.
Accompanying drawing explanation
Fig. 1 is the structural representation that in prior art, tonifying Qi increases the air-conditioning system of enthalpy;
Fig. 2 is the structural representation of an embodiment of the tonifying Qi that proposes of the utility model air-conditioning system that increases enthalpy.
The specific embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
In description of the present utility model, it should be noted that, term " first ", " second ", " the 3rd ", " the 4th " be only for describing object, and can not be interpreted as indication or hint relative importance.
Consulting Fig. 2, is the embodiment that the tonifying Qi that proposes of the utility model increases the air-conditioning system of enthalpy, and the direction of diagram arrow is the flow direction that air-conditioning system heats condensing agent under state.The air-conditioning system that tonifying Qi increases enthalpy comprises compressor 1, condenser 2, evaporimeter 3, flash vessel 4, first throttle device 5, the second throttling arrangement 9 and supplementary heat exchanger 6.
Compressor 1, there is air entry 11, exhaust outlet 12 and gas supplementing opening 13, condenser 2 has the first port 21 and the second port 22, the first port 21 is connected with the exhaust outlet 12 of compressor 1, evaporimeter 3 has the 3rd port 31 and the 4th port 32, the four ports 32 are connected with the air entry 11 of compressor 1; Flash vessel 4 has first interface 41, the second interface 42 and the 3rd interface 43, and first interface 41 is connected with the second port 22 of condenser 2, and the second interface 42 is connected with the 3rd port 31 of evaporimeter 3, and the 3rd interface 43 is connected with the gas supplementing opening 13 of compressor 1.
First throttle device 5 is arranged between condenser 2 and the first interface 41 of flash vessel 4, and the second throttling arrangement 9 is arranged between the second interface 42 of flash vessel 4 and the 3rd port 31 of evaporimeter 3; On the first connecting line between condenser 2 and first throttle device 5, be provided with supplementary heat exchanger 6, and the 3rd interface 41 of flash vessel 4 and the second connecting line between the gas supplementing opening 13 of compressor 1 are also by supplementary heat exchanger 6.The liquid refrigerant of warm high pressure flowing out from condenser 2 second ports 22 like this, the supplementary heat exchanger 6 of flowing through, enter the gas liquid mixture that becomes low-temp low-pressure after first throttle device 5 reducing pressure by regulating flows, enter afterwards flash vessel 4 and carry out gas-liquid separation, after second interface of low-temp low-pressure liquid by flash vessel 4 enters the second throttling arrangement 9 throttlings afterwards and then enter evaporimeter 3; Gas (containing partially liq) after flash vessel 4 separation first carries out after heat exchange through supplementary heat exchanger 6 and warm high pressure liquid refrigerant from condenser 2 second ports 22 outflows, by the vaporizing liquid containing in the second pipeline gas, enter the gas supplementing opening 13 of compressor 1; Thereby the cold-producing medium that has guaranteed to enter gas supplementing opening 13 is gaseous state, enters 1 pair of compressor of compressor 1 and carries out tonifying Qi.By supplementary heat exchanger 6 is set, avoid the partially liq in flash vessel 4 to enter in compressor 1 like this, cause compressor 1 temperature to reduce, oil lubrication effect reduces, and even causes compressor hydraulic compression, damages compressor.
Between supplementary heat exchanger 6 and gas supplementing opening 13, be provided with check valve 10, cold-producing medium can only be mobile to the gas supplementing opening 13 of compressor 1 from the 3rd interface 43 of flash vessel 4.
Exhaust outlet 11 at compressor 1 is provided with the first temperature sensor 71 and the first pressure sensor 81, thereby can obtain delivery temperature and the pressure at expulsion of the exhaust outlet 11 of compressor 1.Discharge superheat is the temperature difference between cold-producing medium saturation temperature corresponding to the temperature of compressor 1 exhaust outlet 11 and pressure at expulsion, and discharge superheat should be in a rational scope, to guarantee the reliability of compressor.
In order to control discharge superheat in rational scope, first throttle device 5 adopts aperture adjustable apparatus, according to discharge superheat, the temperature difference between saturation temperature corresponding to the temperature of compressor 1 exhaust outlet 11 and pressure at expulsion namely, control the aperture of first throttle device 5, and then in the reasonable scope, making compressor 1 gas supplementing opening 13 cold-producing mediums is low superheat state refrigerant gas to control in flash vessel 4 refrigerant liquid liquid level.When discharge superheat is higher, regulate the aperture of first order throttling arrangement 5 to increase, through first order throttling arrangement 5, enter like this liquid refrigerant increase of flash vessel 4, in flash vessel 4, liquid level rises, the liquid refrigerants amount being mingled with the gas of discharging from flash vessel 43 outlets increases, the refrigerant superheat degree that enters compressor 1 gas supplementing opening via auxiliary heat-exchanging device 6 reduces, thereby reduces discharge superheat.When discharge superheat is on the low side, regulate the aperture of first throttle device 5 to reduce, through first order throttling arrangement 5, enter like this liquid refrigerant minimizing of flash vessel 4, in flash vessel 4, liquid level declines, the liquid refrigerants amount being mingled with the gas of discharging from the 3rd interface 43 of flash vessel 4 reduces, the refrigerant superheat degree that enters the gas supplementing opening 13 of compressor 1 via auxiliary heat-exchanging device 6 raises, thereby improves discharge superheat.By controlling discharge superheat, repeatedly regulate a nuclear one-stage throttling device, and then regulate liquid level in flash vessel 1, keep the suitable degree of superheat of gas supplementing opening 13 cold-producing mediums.The desired value that the discharge superheat of control is set be zone of reasonableness (25 ~ 30 ℃) thus can make compressor 1 gas supplementing opening 13 cold-producing mediums is low superheat state refrigerant gas, improve compressor performance and reliability.
Between the second interface 42 of flash vessel 4 and the 3rd port 31 of evaporimeter 3, be provided with the second throttling arrangement 9, so the rear cold-producing medium of the flash vessel 4 of flowing through is continued to reducing pressure by regulating flow, cold-producing medium is become to the more liquid of low-temp low-pressure, improve like this heat exchange property of air-conditioning system, improve ability to work.The 4th port 32 at evaporimeter 3 is provided with the second temperature sensor 72, is provided with the second pressure sensor 82, thereby can obtains the pressure of inspiration(Pi) of evaporator outlet temperature and compressor 1 at the air entry 11 of compressor 1.The evaporator outlet degree of superheat is the poor of cold-producing medium saturation temperature that the 4th port temperature of evaporimeter 3 is corresponding with suction pressure of compressor.
The second throttling arrangement 9 adopts aperture adjustable apparatus, air-conditioning system regulates the aperture of the second throttling arrangement 9 according to the numerical value of the second temperature sensor 72 and the second pressure sensor 82 feedbacks, namely according to the evaporator outlet degree of superheat, regulate the aperture of the second throttling arrangement 9, when the evaporator outlet degree of superheat is higher, the aperture of the second throttling arrangement 9 increases; When the evaporator outlet degree of superheat is on the low side, the aperture of the second throttling arrangement 9 reduces; Thereby guarantee that the evaporator outlet degree of superheat is positioned at a rational scope.
In the present embodiment, supplementary heat exchanger 6 adopts plate type heat exchanger, the first connecting line between condenser 2 and first throttle device 5, and the 3rd interface 41 of flash vessel 4 and the second connecting line between the gas supplementing opening 13 of compressor 1, carry out heat exchange by plate type heat exchanger or double-tube heat exchanger.
In the present embodiment, first throttle device 5 and the second throttling arrangement 9 are all selected electric expansion valve.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (9)
1. tonifying Qi increases an air-conditioning system for enthalpy, comprising:
Compressor, has air entry, exhaust outlet and gas supplementing opening, and condenser has the first port and the second port, and described the first port is connected with exhaust outlet;
Evaporimeter, has the 3rd port and the 4th port, and described the 4th port is connected with air entry;
Flash vessel, has first interface, the second interface and the 3rd interface, and described first interface is connected with the second port of condenser, and described the second interface is connected with the 3rd port of evaporimeter, and described the 3rd interface is connected with gas supplementing opening;
First throttle device, is arranged between described condenser and first interface;
The second throttling arrangement, is arranged between the second interface of described flash vessel and the 3rd port of evaporimeter;
It is characterized in that, on the first connecting line between described condenser and first throttle device, be provided with supplementary heat exchanger, the second connecting line between described the 3rd interface and gas supplementing opening is also by described supplementary heat exchanger.
2. air-conditioning system according to claim 1, is characterized in that, described exhaust outlet is provided with the first temperature sensor and the first pressure sensor.
3. air-conditioning system according to claim 1, is characterized in that, described first throttle device is aperture adjustable apparatus, and when the discharge superheat of compressor is higher, the aperture of first throttle device increases; When the discharge superheat of compressor is on the low side, the aperture of first throttle device reduces.
4. air-conditioning system according to claim 1, is characterized in that, between described supplementary heat exchanger and gas supplementing opening, is provided with check valve.
5. according to the air-conditioning system described in claim 1 to 4 any one, it is characterized in that, the 4th port of described evaporimeter is provided with the second temperature sensor, and described air entry is provided with the second pressure sensor.
6. air-conditioning system according to claim 5, is characterized in that, described the second throttling arrangement is aperture adjustable apparatus, and when the evaporator outlet degree of superheat is higher, the aperture of the second throttling arrangement increases; When the evaporator outlet degree of superheat is on the low side, the aperture of the second throttling arrangement reduces.
7. according to the air-conditioning system described in claim 1 to 4 any one, it is characterized in that, described supplementary heat exchanger is plate type heat exchanger or double-tube heat exchanger.
8. according to the air-conditioning system described in claim 1 to 4 any one, it is characterized in that, described first throttle device is electric expansion valve.
9. according to the air-conditioning system described in claim 1 to 4 any one, it is characterized in that, described the second throttling arrangement is electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190134.XU CN203857702U (en) | 2014-04-18 | 2014-04-18 | Air-supplying enthalpy-adding air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190134.XU CN203857702U (en) | 2014-04-18 | 2014-04-18 | Air-supplying enthalpy-adding air conditioning system |
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| CN203857702U true CN203857702U (en) | 2014-10-01 |
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| CN201420190134.XU Expired - Lifetime CN203857702U (en) | 2014-04-18 | 2014-04-18 | Air-supplying enthalpy-adding air conditioning system |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091427A (en) * | 2015-08-07 | 2015-11-25 | 珠海格力电器股份有限公司 | Control method of electronic expansion valve of double-stage compression middle air supply system and air conditioner |
| CN105509364A (en) * | 2016-02-02 | 2016-04-20 | 珠海格力电器股份有限公司 | Air conditioning system and air injection superheat degree adjusting method |
| CN106247652A (en) * | 2016-09-29 | 2016-12-21 | 广东美的制冷设备有限公司 | Air conditioning system and control method thereof |
| CN106352445A (en) * | 2016-08-19 | 2017-01-25 | 广东美的暖通设备有限公司 | Multi-online system and control method thereof |
| CN107062720A (en) * | 2017-03-20 | 2017-08-18 | 青岛海尔空调电子有限公司 | A kind of air-conditioner set control method and air-conditioner set |
| CN107741100A (en) * | 2017-10-27 | 2018-02-27 | 华南理工大学 | A kind of Gas-supplying enthalpy-increasing indirect refrigeration system for train air-conditioning |
| CN108317067A (en) * | 2018-01-10 | 2018-07-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, refrigeration system component and refrigerator |
| CN108548346A (en) * | 2018-05-03 | 2018-09-18 | 清华大学 | A kind of compressor tonifying Qi circulation mechanism and its heat pump system |
| CN109442637A (en) * | 2018-11-19 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of Gas-supplying enthalpy-increasing system and its control method |
| CN109539623A (en) * | 2018-11-28 | 2019-03-29 | 珠海格力电器股份有限公司 | Air conditioning system and air supplementing and enthalpy increasing control method thereof |
| CN109539629A (en) * | 2018-11-15 | 2019-03-29 | 珠海格力电器股份有限公司 | Heat pump equipment |
| CN110513903A (en) * | 2019-08-14 | 2019-11-29 | 青岛海信日立空调***有限公司 | A kind of control method of cooling cycle system |
| WO2020048551A1 (en) * | 2018-09-07 | 2020-03-12 | 青岛海信日立空调***有限公司 | Air conditioner |
| CN111023508A (en) * | 2019-12-20 | 2020-04-17 | Tcl空调器(中山)有限公司 | Air conditioner control method, storage medium and air conditioner |
| WO2020143629A1 (en) * | 2019-01-10 | 2020-07-16 | Qingdao Haier Refrigerator Co., Ltd. | Fast switching multiple evaporator system for an appliance |
| CN111829173A (en) * | 2019-04-23 | 2020-10-27 | 杭州先途电子有限公司 | Control method and system and air source heat pump air heater |
-
2014
- 2014-04-18 CN CN201420190134.XU patent/CN203857702U/en not_active Expired - Lifetime
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091427B (en) * | 2015-08-07 | 2018-12-07 | 珠海格力电器股份有限公司 | Control method of electronic expansion valve of double-stage compression middle air supply system and air conditioner |
| CN105091427A (en) * | 2015-08-07 | 2015-11-25 | 珠海格力电器股份有限公司 | Control method of electronic expansion valve of double-stage compression middle air supply system and air conditioner |
| CN105509364A (en) * | 2016-02-02 | 2016-04-20 | 珠海格力电器股份有限公司 | Air conditioning system and air injection superheat degree adjusting method |
| CN106352445A (en) * | 2016-08-19 | 2017-01-25 | 广东美的暖通设备有限公司 | Multi-online system and control method thereof |
| CN106352445B (en) * | 2016-08-19 | 2019-12-03 | 广东美的暖通设备有限公司 | Multi-line system and its control method |
| CN106247652A (en) * | 2016-09-29 | 2016-12-21 | 广东美的制冷设备有限公司 | Air conditioning system and control method thereof |
| CN107062720A (en) * | 2017-03-20 | 2017-08-18 | 青岛海尔空调电子有限公司 | A kind of air-conditioner set control method and air-conditioner set |
| CN107062720B (en) * | 2017-03-20 | 2020-04-14 | 青岛海尔空调电子有限公司 | Air conditioning unit control method and air conditioning unit |
| CN107741100A (en) * | 2017-10-27 | 2018-02-27 | 华南理工大学 | A kind of Gas-supplying enthalpy-increasing indirect refrigeration system for train air-conditioning |
| CN108317067A (en) * | 2018-01-10 | 2018-07-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, refrigeration system component and refrigerator |
| CN108317067B (en) * | 2018-01-10 | 2024-05-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, refrigerating system assembly and refrigerator |
| CN108548346B (en) * | 2018-05-03 | 2024-05-31 | 清华大学 | Air supplementing circulating mechanism of compressor and heat pump system thereof |
| CN108548346A (en) * | 2018-05-03 | 2018-09-18 | 清华大学 | A kind of compressor tonifying Qi circulation mechanism and its heat pump system |
| WO2020048551A1 (en) * | 2018-09-07 | 2020-03-12 | 青岛海信日立空调***有限公司 | Air conditioner |
| CN109539629A (en) * | 2018-11-15 | 2019-03-29 | 珠海格力电器股份有限公司 | Heat pump equipment |
| CN109442637A (en) * | 2018-11-19 | 2019-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of Gas-supplying enthalpy-increasing system and its control method |
| WO2020103521A1 (en) * | 2018-11-19 | 2020-05-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Gas-replenishing and enthalpy-increasing system and control method therefor |
| CN109539623A (en) * | 2018-11-28 | 2019-03-29 | 珠海格力电器股份有限公司 | Air conditioning system and air supplementing and enthalpy increasing control method thereof |
| WO2020143629A1 (en) * | 2019-01-10 | 2020-07-16 | Qingdao Haier Refrigerator Co., Ltd. | Fast switching multiple evaporator system for an appliance |
| CN111829173A (en) * | 2019-04-23 | 2020-10-27 | 杭州先途电子有限公司 | Control method and system and air source heat pump air heater |
| CN110513903B (en) * | 2019-08-14 | 2021-09-03 | 青岛海信日立空调***有限公司 | Control method of refrigeration cycle system |
| CN110513903A (en) * | 2019-08-14 | 2019-11-29 | 青岛海信日立空调***有限公司 | A kind of control method of cooling cycle system |
| CN111023508A (en) * | 2019-12-20 | 2020-04-17 | Tcl空调器(中山)有限公司 | Air conditioner control method, storage medium and air conditioner |
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