CN113587352B - Constant-temperature dehumidification type air conditioner and control method thereof - Google Patents
Constant-temperature dehumidification type air conditioner and control method thereof Download PDFInfo
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- CN113587352B CN113587352B CN202110924742.3A CN202110924742A CN113587352B CN 113587352 B CN113587352 B CN 113587352B CN 202110924742 A CN202110924742 A CN 202110924742A CN 113587352 B CN113587352 B CN 113587352B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
- F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/873—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling refrigerant heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
A constant temperature dehumidification type air conditioner and its control method, the air conditioning system includes the outdoor heat exchanger, outdoor fan, outdoor electronic expansion valve, indoor heat exchanger, indoor fan, electricity assist heat, first electronic expansion valve, second electronic expansion valve, first temperature pick-up, second temperature pick-up and ambient temperature pick-up, wherein, the first temperature pick-up is used for detecting the copper pipe entry temperature T2 of the indoor heat exchanger, the second temperature pick-up is used for detecting the copper pipe temperature T2B after the second electronic expansion valve throttles; the control method comprises steps S1 to S5: by controlling the rotation speed of the outdoor fan in step S2, controlling the opening degree of the outdoor electronic expansion valve in step S3, controlling the opening degree of the second electronic expansion valve in step S4, and turning on the electric auxiliary heater and adjusting the output power of the electric auxiliary heater in step S5, the air outlet temperature is increased and the indoor temperature is kept constant when the air conditioning system is operated to dehumidify.
Description
Technical Field
The invention relates to the technical field of air conditioner dehumidification, in particular to a constant-temperature dehumidification type air conditioner and a control method thereof.
Background
Plum rain refers to a weather and climate phenomenon occurring in a certain area and a certain season, and is a specific weather and climate phenomenon in east Asia regions. In rainy days, the indoor is wet, condensation easily appears on the surfaces of walls, floors and furniture, and people feel uncomfortable. People usually use air conditioners to dehumidify or dehumidifiers to dehumidify. Generally, the dehumidification function of an air conditioner is to turn an indoor fan to a low wind in a refrigeration mode. At present, although the dehumidification function can be realized by matching a refrigeration mode with low wind speed, the dehumidification amount is small, and the dehumidification is slow; in addition, in rainy seasons, the temperature is low, most of the time is below 20 ℃, cold air is blown out by the air conditioner in the process of dehumidification, and the comfort is quite poor as the dehumidification is cooler.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a constant-temperature dehumidification type air conditioner and a control method thereof.
In order to achieve the above object, the present invention provides a constant temperature dehumidification type air conditioner and a control method thereof, wherein the air conditioning system comprises an outdoor heat exchanger, an outdoor fan, an outdoor electronic expansion valve, an indoor heat exchanger, an indoor fan, an electric auxiliary heater, a first electronic expansion valve, a second electronic expansion valve, a first temperature sensor, a second temperature sensor and an environment temperature sensor, wherein the environment temperature sensor is used for detecting an indoor environment temperature T1; the first temperature sensor is used for detecting the temperature T2 of a copper pipe inlet of the indoor heat exchanger, and the second temperature sensor is used for detecting the temperature T2B of the copper pipe after being throttled by the second electronic expansion valve; the first electronic expansion valve is arranged at the inlet of a copper pipe of the indoor heat exchanger; the second electronic expansion valve is arranged at the middle rear section of the copper pipe of the indoor heat exchanger; the outdoor electronic expansion valve is arranged between the outdoor heat exchanger and the indoor heat exchanger;
the control method comprises the following steps:
step S1, the air conditioning system starts to operate a dehumidification mode, the indoor fan is operated at a low speed, and the first electronic expansion valve is opened to the maximum opening;
step S2, detecting and comparing T1 and T2, and if T2-T1 is smaller than a first temperature value, reducing the rotating speed of the outdoor fan; if the temperature T2-T1 is larger than or equal to the first temperature value, the air conditioning system operates as usual;
step S3, in step S2, if the current rotating speed of the outdoor fan is the lowest rotating speed and T2-T1 is less than a first temperature value, the opening degree of the outdoor electronic expansion valve is reduced, wherein the opening degree reduced each time is the first step number and is reduced to the value that T2-T1 is greater than or equal to the first temperature value;
step S4, in step S3, if the current opening degree of the outdoor electronic expansion valve is the minimum opening degree and T2-T1 is less than the first temperature value, detecting T2B, then comparing T2 with T2B, and if T2-T2B is less than the second temperature value, reducing the opening degree of the second electronic expansion valve, wherein the opening degree reduced each time is the second step number and is reduced to the value that T2-T2B is greater than or equal to the second temperature value; if the T2-T2B is larger than or equal to the second temperature value, the opening degree of the second electronic expansion valve is not controlled;
and step S5, in step S4, if T2-T1< the first temperature value, T2-T2B < the second temperature value, and the current opening degree of the second electronic expansion valve is the minimum opening degree, the electric auxiliary heat is started, and the output power of the electric auxiliary heat is adjusted according to the magnitude of T2-T1.
Further, the first temperature value is 2 ℃.
Further, the first number of steps is less than the second number of steps.
Further, the electric auxiliary heat comprises a plurality of output powers.
Further, if the third temperature is less than or equal to T2-T2B and less than the second temperature value, the third temperature and the second temperature are divided into a plurality of temperature intervals, different temperature intervals correspond to different output power, and the output power of the electric auxiliary heat is correspondingly adjusted according to the temperature interval in which T2-T1 falls.
Further, the higher the temperature, the lower the output power corresponding to the temperature interval.
Further, the ambient temperature sensor is arranged at an air return inlet of the indoor heat exchanger.
Further, the second temperature sensor is arranged on an outlet copper pipe of the second electronic expansion valve.
Further, the first temperature sensor is arranged on the upper surface of the inlet pipeline of the indoor heat exchanger.
The invention has the beneficial effects that: by controlling the rotation speed of the outdoor fan in step S2, controlling the opening degree of the outdoor electronic expansion valve in step S3, controlling the opening degree of the second electronic expansion valve in step S4, and turning on the electric auxiliary heater and adjusting the output power of the electric auxiliary heater in step S5, the air outlet temperature is increased and the indoor temperature is kept constant when the air conditioning system is operated to dehumidify.
Drawings
Fig. 1 is a schematic diagram of a control method.
Detailed Description
To facilitate an understanding of the invention, the invention is described more fully below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, in the present embodiment, an air conditioner of a constant temperature dehumidification type and a control method thereof, wherein the air conditioner system includes an outdoor heat exchanger, an outdoor fan, an outdoor electronic expansion valve, an indoor heat exchanger, an indoor fan, an electric auxiliary heater, a first electronic expansion valve, a second electronic expansion valve, a first temperature sensor, a second temperature sensor, and an ambient temperature sensor, wherein the first electronic expansion valve is installed at an inlet of a copper pipe of the indoor heat exchanger; the second electronic expansion valve is arranged at the middle rear section of a copper pipe of the indoor heat exchanger; the outdoor electronic expansion valve is arranged between the outdoor heat exchanger and the indoor heat exchanger. The ambient temperature sensor is used for detecting indoor ambient temperature T1, wherein the ambient temperature sensor is arranged at an air return opening of the indoor heat exchanger. The first temperature sensor is used for detecting the copper pipe inlet temperature T2 of the indoor heat exchanger, wherein the first temperature sensor is arranged on an inlet copper pipe of the first electronic expansion valve. The second temperature sensor is used for detecting the temperature T2B of the copper pipe throttled by the second electronic expansion valve, wherein the second temperature sensor is arranged on an outlet copper pipe of the second electronic expansion valve. The electric auxiliary heat is arranged at the air outlet of the indoor heat exchanger.
In this embodiment, the control method includes the following steps:
and step S1, the air conditioning system starts to operate in a dehumidification mode, the outdoor heat exchanger is condensed to release heat, and the indoor heat exchanger is evaporated to absorb heat. The outdoor fan is started, and the indoor fan is operated at a low speed, so that the heat exchange efficiency of the indoor heat exchanger is reduced; and opening the first electronic expansion valve to the maximum opening degree, so that the superheat degree of the inlet of the copper pipe for indoor heat exchange is the minimum value.
Step S2, detecting and comparing T1 and T2, and if T2-T1 are larger than or equal to the first temperature value, operating the air conditioning system as usual; if T2-T1 is less than the first temperature value, the temperature of the refrigerant before condensation and heat release is close to the indoor environment temperature T1, the rotating speed of an outdoor fan is reduced, the heat exchange capacity of an outdoor heat exchanger is reduced, T2 is improved, the temperature of the refrigerant before condensation and heat release is improved, and the air outlet temperature of the air conditioner is prevented from being too low; and continuously reducing the rotating speed of the outdoor fan until T2-T1 is larger than or equal to the first temperature value.
Step S3, in step S2, if the current rotating speed of the outdoor fan is the lowest rotating speed and T2-T1 is less than a first temperature value, the opening degree of the outdoor electronic expansion valve is reduced, the flow of refrigerant flowing to the copper pipe inlet of the indoor heat exchanger is reduced, T2 is improved, and the air outlet temperature of the air conditioner is prevented from being too low, wherein the opening degree reduced each time is the first step number, and the temperature is reduced to the value that T2-T1 is not less than the first temperature value; in this embodiment, the first number of steps is 4 steps; the first temperature value is 2 ℃.
Step S4, in step S3, if the current opening degree of the outdoor electronic expansion valve is the minimum opening degree and T2-T1 is less than the first temperature value, detecting T2B, then comparing T2 with T2B, if T2-T2B is less than the second temperature value, indicating that T2B is higher, the refrigerant flow of the indoor heat exchanger is higher, and the outlet air temperature is lower, making the second electronic expansion valve reduce the opening degree, reducing the refrigerant flow of the indoor heat exchanger, and increasing the outlet air temperature, wherein the opening degree reduced each time is the second step number, and reducing the opening degree until T2-T2B is not less than the second temperature value; and if the T2-T2B is larger than or equal to the second temperature value, the opening degree of the second electronic expansion valve is not controlled. In this embodiment, the second number of steps is 8 steps; the initial opening degree of the second electronic expansion valve is 158 steps, and the minimum opening degree of the second electronic expansion valve is 80 steps.
Step S5, in step S4, if T2-T1 is less than the first temperature value, T2-T2B is less than the second temperature value, and the current opening degree of the second electronic expansion valve is the minimum opening degree, at this time, the outlet air temperature is low, and the outlet air temperature is increased by turning on the electric auxiliary heat. Adjusting the output power of the electric auxiliary heat according to the size of T2-T1, wherein the electric auxiliary heat comprises a plurality of output powers; if the third temperature is less than or equal to T2-T1 and less than the second temperature value, the temperature from the third temperature to the fourth temperature is divided into a plurality of temperature intervals, different temperature intervals correspond to different output powers, and the output power of the electric auxiliary heat is correspondingly adjusted according to the temperature interval in which T2-T1 falls; the third temperature was 0 ℃. The higher the temperature, the lower the output power corresponding to the temperature interval, and the power consumption of the electric auxiliary heat is reduced. In the present embodiment, it is preferred that,
when the temperature is more than or equal to 1.5 ℃ and less than or equal to T2-T1 and less than 2 ℃, the electric auxiliary heat output power is 1.15P;
when the temperature is more than or equal to 1 ℃ and T2-T1 is less than 1.5 ℃, the electric auxiliary heat output power is 1.30P;
when the temperature is more than or equal to 0.5 ℃ and less than or equal to T2-T1 and less than 1 ℃, the electric auxiliary heat output power is 1.55P;
when the temperature is more than or equal to 0 ℃ and less than or equal to T2-T1 and less than 0.5 ℃, the electric auxiliary heat output power is 1.80P.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents to the embodiments of the invention without departing from the scope of the invention as set forth in the claims below. Therefore, equivalent changes made according to the spirit of the present invention should be covered within the protection scope of the present invention without departing from the contents of the technical scheme of the present invention.
Claims (9)
1. A constant temperature dehumidification type air conditioner and a control method thereof are characterized in that: the air conditioning system comprises an outdoor heat exchanger, an outdoor fan, an outdoor electronic expansion valve, an indoor heat exchanger, an indoor fan, an electric auxiliary heater, a first electronic expansion valve, a second electronic expansion valve, a first temperature sensor, a second temperature sensor and an environment temperature sensor, wherein the environment temperature sensor is used for detecting the indoor environment temperature T1; the first temperature sensor is used for detecting the temperature T2 of a copper pipe inlet of the indoor heat exchanger, and the second temperature sensor is used for detecting the temperature T2B of the copper pipe after being throttled by the second electronic expansion valve; the first electronic expansion valve is arranged at the inlet of a copper pipe of the indoor heat exchanger; the second electronic expansion valve is arranged at the middle rear section of the copper pipe of the indoor heat exchanger; the outdoor electronic expansion valve is arranged between the outdoor heat exchanger and the indoor heat exchanger;
the control method comprises the following steps:
step S1, the air conditioning system starts to operate a dehumidification mode, the indoor fan is operated at a low speed, and the first electronic expansion valve is opened to the maximum opening;
step S2, detecting and comparing T1 and T2, and if T2-T1 is smaller than a first temperature value, reducing the rotating speed of the outdoor fan; if the T2-T1 is larger than or equal to the first temperature value, the air conditioning system operates as usual;
step S3, in step S2, if the current rotating speed of the outdoor fan is the lowest rotating speed and T2-T1 is less than a first temperature value, the opening degree of the outdoor electronic expansion valve is reduced, wherein the opening degree reduced each time is the first step number and is reduced to the value that T2-T1 is greater than or equal to the first temperature value;
step S4, in step S3, if the current opening degree of the outdoor electronic expansion valve is the minimum opening degree and T2-T1 is less than the first temperature value, detecting T2B, then comparing T2 with T2B, and if T2-T2B is less than the second temperature value, reducing the opening degree of the second electronic expansion valve, wherein the opening degree reduced each time is the second step number and is reduced to the value that T2-T2B is greater than or equal to the second temperature value; if the T2-T2B is larger than or equal to a second temperature value, the opening degree of the second electronic expansion valve is not controlled;
and step S5, in step S4, if T2-T1< the first temperature value, T2-T2B < the second temperature value, and the current opening degree of the second electronic expansion valve is the minimum opening degree, the electric auxiliary heat is started, and the output power of the electric auxiliary heat is adjusted according to the magnitude of T2-T1.
2. The constant temperature dehumidification type air conditioner and the control method thereof as claimed in claim 1, wherein: the first temperature value is 2 ℃.
3. The constant temperature dehumidification type air conditioner and the control method thereof as claimed in claim 1, wherein: the first number of steps is less than the second number of steps.
4. The constant temperature dehumidification type air conditioner and the control method thereof as claimed in claim 1, wherein: the electric auxiliary heat comprises a plurality of output powers.
5. The constant temperature dehumidification type air conditioner and the control method thereof as claimed in claim 1, wherein: if the third temperature is less than or equal to T2-T2B and less than the second temperature value, dividing the third temperature to the second temperature into a plurality of temperature intervals, wherein different temperature intervals correspond to different output powers, and correspondingly adjusting the output power of the electric auxiliary heat according to the temperature interval in which T2-T1 falls.
6. The constant temperature dehumidification type air conditioner and the control method thereof as claimed in claim 5, wherein: the higher the temperature is, the smaller the output power corresponding to the temperature interval is.
7. The constant temperature dehumidification type air conditioner and the control method thereof as claimed in claim 1, wherein: the environment temperature sensor is arranged at an air return inlet of the indoor heat exchanger.
8. The constant temperature dehumidification type air conditioner and the control method thereof as claimed in claim 1, wherein: and the second temperature sensor is arranged on an outlet copper pipe of the second electronic expansion valve.
9. The constant temperature dehumidification type air conditioner and the control method thereof as claimed in claim 1, wherein: the first temperature sensor is arranged on the upper surface of an inlet pipeline of the indoor heat exchanger.
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| CN202110924742.3A CN113587352B (en) | 2021-08-12 | 2021-08-12 | Constant-temperature dehumidification type air conditioner and control method thereof |
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| CN202110924742.3A CN113587352B (en) | 2021-08-12 | 2021-08-12 | Constant-temperature dehumidification type air conditioner and control method thereof |
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| CN115406044A (en) * | 2022-05-24 | 2022-11-29 | 珠海格力电器股份有限公司 | Constant-temperature dehumidification control method and device for air conditioner, computer equipment and air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002357353A (en) * | 2001-03-30 | 2002-12-13 | Mitsubishi Electric Corp | Air conditioner |
| CN104990229A (en) * | 2015-07-28 | 2015-10-21 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN105526672A (en) * | 2015-12-11 | 2016-04-27 | 珠海格力电器股份有限公司 | Temperature and humidity control method for reheating and dehumidifying system |
| JP2016085016A (en) * | 2014-10-29 | 2016-05-19 | ダイキン工業株式会社 | Air conditioner |
| CN109489198A (en) * | 2018-10-31 | 2019-03-19 | 珠海格力电器股份有限公司 | Dehumidification control method, device and the air conditioner of air-conditioning system |
| CN110657489A (en) * | 2019-10-25 | 2020-01-07 | 南京天加环境科技有限公司 | Improved dehumidification reheating system and control method thereof |
| CN111023496A (en) * | 2019-12-04 | 2020-04-17 | 青岛海信日立空调系统有限公司 | Air conditioner and control method and device thereof |
-
2021
- 2021-08-12 CN CN202110924742.3A patent/CN113587352B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002357353A (en) * | 2001-03-30 | 2002-12-13 | Mitsubishi Electric Corp | Air conditioner |
| JP2016085016A (en) * | 2014-10-29 | 2016-05-19 | ダイキン工業株式会社 | Air conditioner |
| CN104990229A (en) * | 2015-07-28 | 2015-10-21 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN105526672A (en) * | 2015-12-11 | 2016-04-27 | 珠海格力电器股份有限公司 | Temperature and humidity control method for reheating and dehumidifying system |
| CN109489198A (en) * | 2018-10-31 | 2019-03-19 | 珠海格力电器股份有限公司 | Dehumidification control method, device and the air conditioner of air-conditioning system |
| CN110657489A (en) * | 2019-10-25 | 2020-01-07 | 南京天加环境科技有限公司 | Improved dehumidification reheating system and control method thereof |
| CN111023496A (en) * | 2019-12-04 | 2020-04-17 | 青岛海信日立空调系统有限公司 | Air conditioner and control method and device thereof |
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