CN105157173A - Method and system for controlling intermediate enthalpy increase amount of two-stage enthalpy-increase heat pump system - Google Patents
Method and system for controlling intermediate enthalpy increase amount of two-stage enthalpy-increase heat pump system Download PDFInfo
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- CN105157173A CN105157173A CN201510553070.4A CN201510553070A CN105157173A CN 105157173 A CN105157173 A CN 105157173A CN 201510553070 A CN201510553070 A CN 201510553070A CN 105157173 A CN105157173 A CN 105157173A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009833 condensation Methods 0.000 claims abstract description 42
- 230000005494 condensation Effects 0.000 claims abstract description 42
- 238000001704 evaporation Methods 0.000 claims abstract description 31
- 239000007921 spray Substances 0.000 claims description 149
- 238000010792 warming Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 239000003507 refrigerant Substances 0.000 abstract 6
- 230000008020 evaporation Effects 0.000 abstract 2
- 239000002826 coolant Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
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Abstract
The method and the system firstly obtain a condensation temperature, an evaporation temperature and an actual enthalpy spraying temperature, then calculate the condensation temperature and the evaporation temperature to obtain a theoretical enthalpy spraying temperature, finally compare the theoretical enthalpy spraying temperature with the actual enthalpy spraying temperature, if the theoretical enthalpy spraying temperature and the actual enthalpy spraying temperature are the same, the gas refrigerant amount entering an enthalpy spraying pipeline is proper, and at the moment, the opening degree of a first electromagnetic expansion valve is controlled to be kept unchanged; if the former is lower, the gas refrigerant quantity entering the enthalpy spraying pipeline is more, and at the moment, the opening degree of the first electronic expansion valve is controlled to be reduced, so that the gas refrigerant quantity entering the enthalpy spraying pipeline is reduced; if the former is higher, the gas refrigerant quantity entering the enthalpy spraying pipeline is smaller, and at the moment, the opening degree of the first electronic expansion valve is controlled to be increased, so that the gas refrigerant quantity entering the enthalpy spraying pipeline is increased. Therefore, the poor heating effect of the unit caused by too much or too little gas refrigerant entering the enthalpy spraying pipeline can be avoided.
Description
Technical field
The application relates to air-conditioning technical field, more particularly, relates to the middle of a kind of two-stage enthalpy increasing heat pump and increases enthalpy amount control method and system.
Background technology
Existing heat pump at low ambient temperatures heating capacity has obvious decay, in order to promote the cryogenic property of heat pump, a kind of two-stage enthalpy increasing heat pump is widely used, the composition of this heat pump as shown in Figure 1, comprise compressor 1, cross valve 2, gas-liquid separator 3, evaporimeter 4, electric expansion valve 5, flash tank 6, one-level electric expansion valve 7, condenser 8 and spray enthalpy pipeline 9, the import position of evaporimeter 4 is provided with pipe warming thermometer bulb 11, the outlet position of condenser 8 is provided with condensation and goes out temperature-sensitive bag 12, spray enthalpy pipeline 9 arranges spray enthalpy temperature-sensitive bag 13, wherein flash tank 6 is for increasing enthalpy parts.Controlling difficulties for the two-stage enthalpy increasing heat pump of this band flash tank 6 is how accurately to control the gas coolant amount entering spray enthalpy pipeline, and it is too much or very few all to the heating effect of unit causing adverse effect to enter the gas coolant amount of spray enthalpy pipeline.
Summary of the invention
In view of this, the application provides the middle of a kind of two-stage enthalpy increasing heat pump to increase enthalpy amount control method and system, for accurately controlling the gas coolant amount entering spray enthalpy pipeline, to avoid because the gas coolant amount entering spray enthalpy pipeline is too much or the very few unit heating effect caused is bad.
To achieve these goals, the existing scheme proposed is as follows:
Enthalpy amount control method is increased in the middle of a kind of two-stage enthalpy increasing heat pump, be applied to the controller of described two-stage enthalpy increasing heat pump, described two-stage enthalpy increasing heat pump comprises compressor, cross valve, gas-liquid separator, evaporimeter, electric expansion valve, flash tank, one-level electric expansion valve, condenser, spray enthalpy pipeline, the pipe warming thermometer bulb being arranged on evaporator, the condensation that is arranged on condensator outlet go out temperature-sensitive bag and be arranged on the spray enthalpy temperature-sensitive bag on spray enthalpy pipeline, comprises step:
Obtain the condensation temperature of reflection condensator outlet temperature, the evaporating temperature of reflection evaporator temperature and the actual spray enthalpy temperature of reflection spray enthalpy line temperature;
According to preset algorithm, described condensation temperature and described evaporating temperature are calculated, obtain theoretical spray enthalpy temperature;
Judge whether described theory spray enthalpy temperature equals described reality spray enthalpy temperature, if equaled, the aperture controlling described one-level electric expansion valve remains unchanged;
If described theory spray enthalpy temperature is not equal to described reality spray enthalpy temperature, then judge whether described theory spray enthalpy temperature is less than described reality spray enthalpy temperature further, if be less than described reality spray enthalpy temperature, control the reduction of described aperture and preset aperture stride, if be greater than described reality spray enthalpy temperature, controlling described aperture increases default aperture stride.
Optionally, described preset algorithm comprises:
The product of described condensation temperature and described evaporating temperature is extracted square root, obtains described theory spray enthalpy temperature.
Enthalpy amount control system is increased in the middle of a kind of two-stage enthalpy increasing heat pump, be applied to the controller of described two-stage enthalpy increasing heat pump, described two-stage enthalpy increasing heat pump comprises compressor, cross valve, gas-liquid separator, evaporimeter, electric expansion valve, flash tank, one-level electric expansion valve, condenser, spray enthalpy pipeline, the pipe warming thermometer bulb being arranged on evaporator, the condensation that is arranged on condensator outlet go out temperature-sensitive bag and be arranged on the spray enthalpy temperature-sensitive bag on spray enthalpy pipeline, comprise temperature acquisition module, computing module, the first judge module and the second judge module, wherein:
Described temperature acquisition module goes out temperature-sensitive bag respectively with described condensation, described pipe warming thermometer bulb, described spray enthalpy temperature-sensitive bag are connected, for obtaining the actual spray enthalpy temperature of the condensation temperature of reflection condensator outlet temperature, the evaporating temperature of reflection evaporator temperature and reflection spray enthalpy line temperature;
Computing module is used for calculating described condensation temperature and described evaporating temperature according to preset algorithm, obtains and exports theoretical spray enthalpy temperature;
Described first judge module is for judging whether described theory spray enthalpy temperature equals described reality spray enthalpy temperature, if equaled, export inhibit signal, otherwise output judges signal further;
Described second judge module is used for judging that signal judges whether described theory spray enthalpy temperature is less than and describedly actually sprays enthalpy temperature further according to described, if be less than described reality spray enthalpy temperature, export load reduction signals, if be greater than described reality spray enthalpy temperature, export increment of load signal;
Described inhibit signal keeps current aperture for controlling described first electric expansion valve, and described load reduction signals reduces to preset aperture stride for the aperture controlling described first electric expansion valve; Described increment of load signal increases for the aperture controlling described first electric expansion valve presets aperture stride.
Optionally, described computing module comprises mlultiplying circuit and root circuit, wherein:
Described mlultiplying circuit is used for described condensation temperature and described evaporating temperature to carry out multiplying, obtains product;
Described root circuit carries out extraction of square root computing with by described product, obtains described theory spray enthalpy temperature.
As can be seen from above-mentioned technical scheme, this application discloses the middle of a kind of two-stage enthalpy increasing heat pump and increase enthalpy amount control method and system, first the method and system obtain condensation temperature, evaporating temperature and actual spray enthalpy temperature, then by calculating theoretical spray enthalpy temperature to condensation temperature and evaporating temperature, finally theory is sprayed enthalpy temperature to spray enthalpy temperature compare with actual, if both are identical, show that the gas coolant amount entering spray enthalpy pipeline is suitable, the aperture now controlling the first electromagnetic expanding valve remains unchanged; If theoretical spray enthalpy temperature is lower, show that the gas coolant amount entering spray enthalpy pipeline is more, the aperture now controlling the first electric expansion valve reduces, and the gas coolant amount entering spray enthalpy pipeline is reduced; If theoretical spray enthalpy temperature is higher, show that the gas coolant amount entering spray enthalpy pipeline is less, the aperture now controlling the first electric expansion valve increases, and the gas coolant amount entering spray enthalpy pipeline is improved.Remained within rational scope by the gas coolant amount controlling above to make to enter spray enthalpy pipeline, thus can avoid because the gas coolant amount entering spray enthalpy pipeline is too much or the very few unit heating effect caused is bad.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of a kind of two-stage enthalpy increasing heat pump that Fig. 1 provides for the application;
The flow chart of enthalpy amount control method is increased in the middle of a kind of two-stage enthalpy increasing heat pump that Fig. 2 provides for the embodiment of the present application;
The schematic diagram of enthalpy amount control system is increased in the middle of a kind of two-stage enthalpy increasing heat pump that Fig. 3 provides for another embodiment of the application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment one
The flow chart of enthalpy amount control method is increased in the middle of a kind of two-stage enthalpy increasing heat pump that Fig. 2 provides for the embodiment of the present application.
The middle increasing enthalpy amount control method that the present embodiment provides is applied to the controller of this two-stage enthalpy increasing heat pump, wherein the concrete composition of this two-stage enthalpy increasing heat pump as shown in Figure 1, comprise compressor 1, cross valve 2, gas-liquid separator 3, evaporimeter 4, electric expansion valve 5, flash tank 6, one-level electric expansion valve 7, condenser 8, spray enthalpy pipeline 9, be arranged on the pipe warming thermometer bulb 11 of evaporator, the condensation being arranged on condensator outlet goes out temperature-sensitive bag 12 and is arranged on the spray enthalpy temperature-sensitive bag 13 on spray enthalpy pipeline 9, centre increases the concrete steps of enthalpy amount control method as shown in Figure 2:
S101: obtain condensation temperature, evaporating temperature and actual spray enthalpy temperature.
The Guan Wen of condensation temperature reflection condensator outlet, goes out temperature-sensitive bag 12 by the condensation being arranged on the outlet of condenser device and obtains; The Guan Wen of evaporating temperature reflection evaporator, is obtained by the pipe warming thermometer bulb 11 being arranged on evaporator; Actual spray enthalpy temperature is the Guan Wen of spray enthalpy pipeline, is obtained by the spray enthalpy temperature-sensitive bag 13 be arranged on this spray enthalpy pipeline.
S102: calculate theoretical spray enthalpy temperature according to condensation temperature and evaporating temperature.
According to preset algorithm, condensation temperature and evaporating temperature are calculated, obtain theoretical spray enthalpy temperature.The particular content of preset algorithm is that the product of condensation temperature and evaporating temperature is carried out extraction of square root computing, thus obtains this theory spray enthalpy temperature.
S103: judge whether theoretical spray enthalpy temperature equals actual spray enthalpy temperature.
Theory is sprayed enthalpy temperature spray enthalpy temperature compare with actual, if both are not identical, execution S105 step.
S104: the aperture controlling the first electric expansion valve remains unchanged.
If theoretical spray enthalpy temperature is equal with actual enthalpy temperature of spraying, then illustrate that the amount of the gas coolant entering spray enthalpy pipeline 9 is comparatively suitable, the aperture now controlling the first electric expansion valve remains unchanged;
S105: judge whether theoretical spray enthalpy temperature is less than actual spray enthalpy temperature.
S106: the aperture controlling the first electric expansion valve reduces to preset aperture stride.
If theoretical spray enthalpy temperature is less than actual spray enthalpy temperature, then show that the gas coolant amount entering spray enthalpy pipeline is more, the aperture now controlling the first electric expansion valve reduces to preset aperture stride, makes the corresponding reduction of gas coolant amount entering spray enthalpy pipeline.
S107: the aperture controlling the first electric expansion valve increases presets aperture stride.
If theoretical spray enthalpy temperature is greater than actual spray enthalpy temperature, then show that the gas coolant amount entering spray enthalpy pipeline is less, the aperture now controlling the first electric expansion valve increases presets aperture stride, thus makes more gas coolant enter spray enthalpy pipeline.
As can be seen from technique scheme, present embodiments provide the middle of a kind of two-stage enthalpy increasing heat pump and increase enthalpy amount control method, first the method obtains condensation temperature, evaporating temperature and actual spray enthalpy temperature, then by calculating theoretical spray enthalpy temperature to condensation temperature and evaporating temperature, finally theory is sprayed enthalpy temperature to spray enthalpy temperature compare with actual, if both are identical, show that the gas coolant amount entering spray enthalpy pipeline is suitable, the aperture now controlling the first electromagnetic expanding valve remains unchanged; If theoretical spray enthalpy temperature is lower, show that the gas coolant amount entering spray enthalpy pipeline is more, the aperture now controlling the first electric expansion valve reduces, and the gas coolant amount entering spray enthalpy pipeline is reduced; If theoretical spray enthalpy temperature is higher, show that the gas coolant amount entering spray enthalpy pipeline is less, the aperture now controlling the first electric expansion valve increases, and the gas coolant amount entering spray enthalpy pipeline is improved.Remained within rational scope by the gas coolant amount controlling above to make to enter spray enthalpy pipeline, thus can avoid because the gas coolant amount entering spray enthalpy pipeline is too much or the very few unit heating effect caused is bad.
Embodiment two
The schematic diagram of enthalpy amount control system is increased in the middle of a kind of two-stage enthalpy increasing heat pump that Fig. 3 provides for another embodiment of the application.
The middle increasing enthalpy amount control system that the present embodiment provides is applied to the controller of this two-stage enthalpy increasing heat pump, and wherein the concrete composition of this two-stage enthalpy increasing heat pump is as above shown in an embodiment.This centre increases enthalpy amount control system as shown in Figure 3, comprises temperature acquisition module 20, computing module 30, first judge module 40 and the second judge module 50.
Temperature acquisition module 20 goes out temperature-sensitive bag 12, pipe warming thermometer bulb 11 respectively with condensation, spray enthalpy temperature-sensitive bag 13 is connected, and obtains condensation temperature, evaporating temperature and actual spray enthalpy temperature by above temperature-sensitive bag.
The Guan Wen of condensation temperature reflection condensator outlet, goes out temperature-sensitive bag 12 by the condensation being arranged on the outlet of condenser device and obtains; The Guan Wen of evaporating temperature reflection evaporator, is obtained by the pipe warming thermometer bulb 11 being arranged on evaporator; Actual spray enthalpy temperature is the Guan Wen of spray enthalpy pipeline, is obtained by the spray enthalpy temperature-sensitive bag 13 be arranged on this spray enthalpy pipeline.
Computing module 30 is for calculating theoretical spray enthalpy temperature according to condensation temperature and evaporating temperature.
Be specially and according to preset algorithm, condensation temperature and evaporating temperature calculated, obtain theoretical spray enthalpy temperature.The particular content of preset algorithm is that the product of condensation temperature and evaporating temperature is carried out extraction of square root computing, thus obtains this theory spray enthalpy temperature.
Correspondingly, computing module 30 comprises mlultiplying circuit and root circuit, and mlultiplying circuit is used for condensation temperature and evaporating temperature to carry out multiplying, obtains product; Root circuit carries out extraction of square root computing with by this product, obtains above-mentioned theory spray enthalpy temperature.
First judge module 40 sprays enthalpy temperature for theory being sprayed enthalpy temperature compare with actual, if both are equal, illustrate that the amount of the gas coolant entering spray enthalpy pipeline 9 is comparatively suitable, now export inhibit signal, if both are unequal, export and judge signal further.This inhibit signal remains unchanged for the aperture controlling the first electromagnetic expanding valve 7.
Second judge module 50 is for judging whether theoretical spray enthalpy temperature is less than actual spray enthalpy temperature.If theoretical spray enthalpy temperature is lower than reality spray enthalpy temperature, then show that the gas coolant amount entering spray enthalpy pipeline is more, now export load reduction signals, this load reduction signals reduces to preset aperture stride for the aperture controlling the first electric expansion valve 7, makes the corresponding reduction of gas coolant amount entering spray enthalpy pipeline; If theoretical spray enthalpy temperature is higher than reality spray enthalpy temperature, then show that the gas coolant amount entering spray enthalpy pipeline is less, the aperture now controlling the first electric expansion valve 7 increases presets aperture stride, thus makes more gas coolant enter spray enthalpy pipeline.
As can be seen from technique scheme, present embodiments provide the middle of a kind of two-stage enthalpy increasing heat pump and increase enthalpy amount control system, first this system obtains condensation temperature, evaporating temperature and actual spray enthalpy temperature, then by calculating theoretical spray enthalpy temperature to condensation temperature and evaporating temperature, finally theory is sprayed enthalpy temperature to spray enthalpy temperature compare with actual, if both are identical, show that the gas coolant amount entering spray enthalpy pipeline is suitable, the aperture now controlling the first electromagnetic expanding valve remains unchanged; If theoretical spray enthalpy temperature is lower, show that the gas coolant amount entering spray enthalpy pipeline is more, the aperture now controlling the first electric expansion valve reduces, and the gas coolant amount entering spray enthalpy pipeline is reduced; If theoretical spray enthalpy temperature is higher, show that the gas coolant amount entering spray enthalpy pipeline is less, the aperture now controlling the first electric expansion valve increases, and the gas coolant amount entering spray enthalpy pipeline is improved.Remained within rational scope by the gas coolant amount controlling above to make to enter spray enthalpy pipeline, thus can avoid because the gas coolant amount entering spray enthalpy pipeline is too much or the very few unit heating effect caused is bad.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. the middle of a two-stage enthalpy increasing heat pump increases enthalpy amount control method, be applied to the controller of described two-stage enthalpy increasing heat pump, described two-stage enthalpy increasing heat pump comprises compressor, cross valve, gas-liquid separator, evaporimeter, electric expansion valve, flash tank, one-level electric expansion valve, condenser, spray enthalpy pipeline, the pipe warming thermometer bulb being arranged on evaporator, the condensation that is arranged on condensator outlet go out temperature-sensitive bag and be arranged on the spray enthalpy temperature-sensitive bag on spray enthalpy pipeline, it is characterized in that, comprise step:
Obtain the condensation temperature of reflection condensator outlet temperature, the evaporating temperature of reflection evaporator temperature and the actual spray enthalpy temperature of reflection spray enthalpy line temperature;
According to preset algorithm, described condensation temperature and described evaporating temperature are calculated, obtain theoretical spray enthalpy temperature;
Judge whether described theory spray enthalpy temperature equals described reality spray enthalpy temperature, if equaled, the aperture controlling described one-level electric expansion valve remains unchanged;
If described theory spray enthalpy temperature is not equal to described reality spray enthalpy temperature, then judge whether described theory spray enthalpy temperature is less than described reality spray enthalpy temperature further, if be less than described reality spray enthalpy temperature, control the reduction of described aperture and preset aperture stride, if be greater than described reality spray enthalpy temperature, controlling described aperture increases default aperture stride.
2. middle increasing enthalpy amount control method as claimed in claim 1, it is characterized in that, described preset algorithm comprises:
The product of described condensation temperature and described evaporating temperature is extracted square root, obtains described theory spray enthalpy temperature.
3. the middle of a two-stage enthalpy increasing heat pump increases enthalpy amount control system, be applied to the controller of described two-stage enthalpy increasing heat pump, described two-stage enthalpy increasing heat pump comprises compressor, cross valve, gas-liquid separator, evaporimeter, electric expansion valve, flash tank, one-level electric expansion valve, condenser, spray enthalpy pipeline, be arranged on the pipe warming thermometer bulb of evaporator, the condensation being arranged on condensator outlet goes out temperature-sensitive bag and is arranged on the spray enthalpy temperature-sensitive bag on spray enthalpy pipeline, it is characterized in that, comprise temperature acquisition module, computing module, first judge module and the second judge module, wherein:
Described temperature acquisition module goes out temperature-sensitive bag respectively with described condensation, described pipe warming thermometer bulb, described spray enthalpy temperature-sensitive bag are connected, for obtaining the actual spray enthalpy temperature of the condensation temperature of reflection condensator outlet temperature, the evaporating temperature of reflection evaporator temperature and reflection spray enthalpy line temperature;
Computing module is used for calculating described condensation temperature and described evaporating temperature according to preset algorithm, obtains and exports theoretical spray enthalpy temperature;
Described first judge module is for judging whether described theory spray enthalpy temperature equals described reality spray enthalpy temperature, if equaled, export inhibit signal, otherwise output judges signal further;
Described second judge module is used for judging that signal judges whether described theory spray enthalpy temperature is less than and describedly actually sprays enthalpy temperature further according to described, if be less than described reality spray enthalpy temperature, export load reduction signals, if be greater than described reality spray enthalpy temperature, export increment of load signal;
Described inhibit signal keeps current aperture for controlling described first electric expansion valve, and described load reduction signals reduces to preset aperture stride for the aperture controlling described first electric expansion valve; Described increment of load signal increases for the aperture controlling described first electric expansion valve presets aperture stride.
4. middle increasing enthalpy amount control system as claimed in claim 3, it is characterized in that, described computing module comprises mlultiplying circuit and root circuit, wherein:
Described mlultiplying circuit is used for described condensation temperature and described evaporating temperature to carry out multiplying, obtains product;
Described root circuit carries out extraction of square root computing with by described product, obtains described theory spray enthalpy temperature.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105953386A (en) * | 2016-05-30 | 2016-09-21 | 珠海格力电器股份有限公司 | Control method and device of double-stage air-supplementing enthalpy-increasing system |
| CN106196482A (en) * | 2016-07-28 | 2016-12-07 | 广东美芝制冷设备有限公司 | The control method of air conditioning system |
| CN106969563A (en) * | 2017-03-22 | 2017-07-21 | 美的集团武汉制冷设备有限公司 | Compression set, temprature control method and air conditioner with second vapor injection |
| CN111238071A (en) * | 2020-01-07 | 2020-06-05 | 浙江中广电器股份有限公司 | Air conditioner and low-temperature heating method thereof |
| CN111397104A (en) * | 2020-03-24 | 2020-07-10 | 珠海格力电器股份有限公司 | Control method and device of air conditioning system, control equipment, medium and air conditioning system |
| CN111981648A (en) * | 2020-08-25 | 2020-11-24 | Tcl空调器(中山)有限公司 | Heating control method and device for air conditioner, air conditioner and readable storage medium |
| CN112880216A (en) * | 2019-11-29 | 2021-06-01 | 青岛海尔空调电子有限公司 | Multi-machine head water chilling unit |
| CN115200170A (en) * | 2022-05-23 | 2022-10-18 | 宁波奥克斯电气股份有限公司 | Enthalpy spraying control method and device of air conditioner and air conditioner |
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| CN105953386A (en) * | 2016-05-30 | 2016-09-21 | 珠海格力电器股份有限公司 | Control method and device of double-stage air-supplementing enthalpy-increasing system |
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| CN111397104A (en) * | 2020-03-24 | 2020-07-10 | 珠海格力电器股份有限公司 | Control method and device of air conditioning system, control equipment, medium and air conditioning system |
| CN111397104B (en) * | 2020-03-24 | 2021-08-03 | 珠海格力电器股份有限公司 | Control method and device of air conditioning system, control equipment, medium and air conditioning system |
| CN111981648A (en) * | 2020-08-25 | 2020-11-24 | Tcl空调器(中山)有限公司 | Heating control method and device for air conditioner, air conditioner and readable storage medium |
| CN115200170A (en) * | 2022-05-23 | 2022-10-18 | 宁波奥克斯电气股份有限公司 | Enthalpy spraying control method and device of air conditioner and air conditioner |
| CN115200170B (en) * | 2022-05-23 | 2023-10-20 | 宁波奥克斯电气股份有限公司 | Enthalpy injection control method and device for air conditioner and air conditioner |
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Application publication date: 20151216 |