CN113310140A - Dual-system air conditioner based on two evaporation temperatures and control method thereof - Google Patents
Dual-system air conditioner based on two evaporation temperatures and control method thereof Download PDFInfo
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- CN113310140A CN113310140A CN202010122423.6A CN202010122423A CN113310140A CN 113310140 A CN113310140 A CN 113310140A CN 202010122423 A CN202010122423 A CN 202010122423A CN 113310140 A CN113310140 A CN 113310140A
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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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
The invention discloses a dual-system air conditioner based on two evaporation temperatures and a control method thereof, wherein the dual-system air conditioner based on the two evaporation temperatures comprises a multi-connected outdoor unit, a fresh air fan and an indoor unit, the multi-connected outdoor unit and the fresh air fan are connected to form a temperature and humidity control system, the temperature and humidity control system provides a refrigerant with a first evaporation temperature, the multi-connected outdoor unit and the indoor unit are connected to form a temperature control system, the temperature control system provides a refrigerant with a second evaporation temperature, and the first evaporation temperature is lower than the second evaporation temperature. According to the invention, the indoor temperature and humidity are controlled by the temperature and humidity control system consisting of the multi-connected outdoor unit and the fresh air fan, the humidity control is taken as the main, and the indoor temperature is controlled by the temperature control system consisting of the multi-connected outdoor unit and the indoor unit, so that the indoor humidity and the indoor temperature are respectively controlled, and can be adjusted at any time according to indoor functions and personnel conditions, therefore, the indoor temperature and humidity control system has the advantages of saving energy, reducing consumption and improving the indoor air quality and comfort.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a dual-system air conditioner based on two evaporation temperatures and a control method thereof.
Background
At present, the existing air conditioning systems or air conditioning equipment are all a group of pipeline loops, refrigerant flows through the phase change of circulating steam and liquid of a compressor, and the tail ends of fresh air and other indoor air conditioning coils belong to the same refrigeration cycle system.
However, the existing air conditioning system and air conditioning equipment adopt temperature and humidity simultaneous control, namely indoor temperature and humidity coupled control, and cannot be independently controlled, so that huge waste of energy and low air quality and comfort are caused.
Disclosure of Invention
In order to solve the problems, the invention provides a dual-system air conditioner based on two evaporation temperatures, which realizes independent control of indoor humidity and temperature by respectively arranging a temperature and humidity control system and a temperature control system, saves energy and reduces consumption, and improves the indoor air quality and comfort level.
Another object of the present invention is to provide a control method of a dual system air conditioner based on two evaporation temperatures.
The technical scheme adopted by the invention is as follows:
the utility model provides a dual system air conditioner based on two kinds of evaporating temperatures, its includes and allies oneself with off-premises station, new fan and indoor set more, it connects to form temperature and humidity control system more to ally oneself with off-premises station and new fan, temperature and humidity control system provides the refrigerant of first evaporating temperature, it connects to form temperature control system more to ally oneself with off-premises station and indoor set more, temperature control system provides the refrigerant of second evaporating temperature, first evaporating temperature is less than second evaporating temperature.
Preferably, the first evaporation temperature is in the range of 0-18 ℃.
Preferably, the second evaporation temperature is in the range of 2-20 ℃.
Preferably, the number of the fresh air machine is one or more.
Preferably, the number of the indoor units is one or more, and the indoor units are one or more capillary indoor units or air conditioner tail ends.
Preferably, the multi-connected outdoor unit comprises a low-temperature compressor circulation loop and a high-temperature compressor circulation loop, the low-temperature compressor circulation loop and the fresh air machine are connected to form a temperature and humidity control system, and the high-temperature compressor circulation loop and the indoor unit are connected to form a temperature control system.
Preferably, the low-temperature compressor circulation loop comprises a low-temperature compressor, a first four-way valve, a first condenser, a first throttling component, a first evaporator and a first fan, and the low-temperature compressor is sequentially connected with the first four-way valve, the first condenser, the first throttling component, the first evaporator and the first fan through a pipeline and a refrigerant distribution device.
Preferably, the high-temperature compressor circulation loop comprises a high-temperature compressor, a second four-way valve, a second condenser, a second throttling component, a second evaporator and a second fan, and the high-temperature compressor is sequentially connected with the second four-way valve, the second condenser, the second throttling component, the second evaporator and the second fan through a pipeline and a refrigerant distribution device.
Preferably, the number of the low-temperature compressor and the high-temperature compressor is one or more, and the low-temperature compressor 111 is communicated with the rear end of the fresh air fan 2 through a heat recovery pipeline system 4.
The other technical scheme of the invention is realized as follows:
a control method of a dual-system air conditioner based on two kinds of evaporation temperatures comprises the following steps:
s1, starting a dual-system air conditioner based on two evaporation temperatures, and detecting the indoor temperature and humidity in real time;
s2, calculating a temperature difference between the indoor temperature detected in S1 and a preset temperature threshold value and a humidity difference between the indoor humidity detected in S1 and a preset humidity threshold value;
s3, controlling the on-off state of the temperature and humidity control system and the temperature control system according to the temperature difference and the humidity difference in the S2, specifically:
when the temperature difference in the S2 is larger than a preset first temperature difference or the humidity difference in the S2 is larger than a preset humidity difference, automatically starting a temperature and humidity control system; otherwise, automatically reducing the starting power of the temperature and humidity control system or automatically closing the temperature and humidity control system;
and when the temperature difference in the step S2 is greater than a preset second temperature difference, automatically turning on the temperature control system, otherwise, automatically reducing the turning-on power of the temperature control system or automatically turning off the temperature control system, wherein the second temperature difference is greater than the first temperature difference.
Compared with the prior art, the dual-system air conditioner based on two evaporation temperatures has the advantages that the indoor temperature and the indoor humidity are controlled through the temperature and humidity control system consisting of the multi-connected outdoor unit and the fresh air fan, the indoor temperature is controlled through the temperature control system consisting of the multi-connected outdoor unit and the indoor unit, the indoor humidity and the indoor temperature are respectively controlled, the indoor temperature and the indoor humidity can be adjusted at any time according to indoor functions and personnel conditions, and the dual-system air conditioner based on two evaporation temperatures has the advantages of saving energy, reducing consumption and improving the indoor air quality and comfort.
Drawings
Fig. 1 is a schematic connection diagram of a dual-system air conditioner based on two evaporation temperatures according to embodiment 1 of the present invention;
fig. 2 is a schematic circuit connection diagram of a dual-system air conditioner based on two evaporation temperatures according to embodiment 1 of the present invention;
fig. 3 is a schematic connection diagram of a high temperature compressor circulation loop of a dual system air conditioner based on two evaporation temperatures according to embodiment 1 of the present invention;
fig. 4 is a schematic connection diagram of a low-temperature compressor circulation loop of a dual-system air conditioner based on two evaporation temperatures according to embodiment 1 of the present invention;
fig. 5 is a flowchart of a control method of a dual-system air conditioner based on two evaporation temperatures according to embodiment 2 of the present invention.
Description of the reference numerals
1-multi-connected outdoor unit, 11-low temperature compressor circulation loop, 111-low temperature compressor, 112-first four-way valve, 113-first condenser, 114-first throttling component, 115-first evaporator, 116-first fan, 12-high temperature compressor circulation loop, 121-high temperature compressor, 122-second four-way valve, 123-second condenser, 124-second throttling component, 125-second evaporator, 126-second fan, 2-fresh air fan, 3-indoor unit, 31-capillary indoor unit and 4-heat recovery pipeline system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment 1 of the invention provides a dual-system air conditioner based on two evaporation temperatures, as shown in fig. 1, the dual-system air conditioner comprises a multi-connected outdoor unit 1, a fresh air machine 2 and an indoor unit 3, wherein the multi-connected outdoor unit 1 and the fresh air machine 2 are connected to form a temperature and humidity control system, the temperature and humidity control system provides a refrigerant with a first evaporation temperature, the multi-connected outdoor unit 1 and the indoor unit 3 are connected to form a temperature control system, the temperature control system provides a refrigerant with a second evaporation temperature, and the first evaporation temperature is lower than the second evaporation temperature.
Thus, by adopting the structure, the dual-system air conditioner based on two evaporation temperatures controls the indoor temperature and humidity through the temperature and humidity control system formed by the multi-connected outdoor unit 1 and the fresh air fan 2, and controls the indoor temperature through the temperature control system formed by the multi-connected outdoor unit 1 and the indoor unit 3, so that the indoor temperature and humidity are respectively controlled, and the dual-system air conditioner can be adjusted at any time according to indoor functions and personnel conditions, and has the advantages of saving energy, reducing consumption and improving the indoor air quality and comfort.
The first evaporation temperature is in the range of 0-18 ℃.
Like this, temperature and humidity control system provides first evaporating temperature, for example 2 ℃, evaporating temperature is lower, can reduce indoor temperature and humidity simultaneously for temperature reduction, the dehumidification function of temperature and humidity control system (fresh air handling unit) promote by a wide margin, reach the effect to new trend degree of depth cooling, dehumidification.
The second evaporation temperature is in the range of 2-20 ℃.
Thus, the temperature control system provides a second evaporating temperature, for example 12 ℃, which is higher, emphasizing on lowering the indoor temperature for supplementing the temperature and humidity control system, and only handling insufficient load of the temperature and humidity control system.
The number of the fresh air machine 2 is one or more.
Therefore, one or more fresh air fans can be arranged according to different sizes and functions of the area of the air-conditioning area, namely, one or more temperature and humidity control systems for controlling indoor temperature and humidity by utilizing the first temperature evaporation temperature (lower evaporation temperature) are formed.
The number of the indoor units 3 is one or more, and the indoor units 3 are one or more capillary indoor units 31 or air conditioner tail ends.
Thus, one or more indoor units can be arranged according to the size and the function of the air-conditioning area, and one or more capillary indoor units 31 can be arranged in each indoor unit 3, namely, one or more temperature control systems for controlling the indoor temperature by using the refrigerant with the second evaporation temperature (higher evaporation temperature) are formed.
As shown in fig. 2, the multi-connected outdoor unit 1 includes a low-temperature compressor circulation loop 11 and a high-temperature compressor circulation loop 12, the low-temperature compressor circulation loop 11 and the fresh air machine 2 are connected to form a temperature and humidity control system, and the high-temperature compressor circulation loop 12 and the indoor unit 3 are connected to form a temperature control system.
Therefore, indoor temperature and humidity are controlled by a temperature and humidity control system formed by connecting the low-temperature compressor circulation loop 11 and the fresh air fan 2, and indoor temperature is controlled by a temperature control system formed by connecting the high-temperature compressor circulation loop 12 and the indoor unit 3, so that the indoor temperature and humidity are separately controlled, and the purposes of saving energy and reducing consumption are achieved.
As shown in fig. 3, the low-temperature compressor circulation circuit 11 includes a low-temperature compressor 111, a first four-way valve 112, a first condenser 113, a first throttling component 114, a first evaporator 115, and a first fan 116, wherein the low-temperature compressor 111 is connected to the first four-way valve 112, the first condenser 113, the first throttling component 114, the first evaporator 115, and the first fan 116 in sequence through a pipeline and a refrigerant distribution device.
In this way, the low-temperature compressor 111 supplies power, the first four-way valve selects the cooling/heating passage 112, the first condenser 113 cools the air, the first throttling part 114 adjusts the flow rate of the refrigerant, the first evaporator 115 supplies the refrigerant with a low evaporation temperature, and the first fan 116 exchanges heat with the refrigerant and blows the refrigerant into the room to cool and dehumidify the room. The fresh air is supplied to a temperature and humidity control system formed by the low-temperature compressor circulation loop 11 and used for controlling the indoor temperature and humidity and deeply cooling and dehumidifying the fresh air. The cooling mode can adopt various modes such as air cooling, water cooling, evaporative cooling and the like, wherein the throttling component adopts an electronic expansion valve, a capillary tube or other throttling elements.
As shown in fig. 4, the high temperature compressor circulation circuit 12 includes a high temperature compressor 121, a second four-way valve 122, a second condenser 123, a second throttling part 124, a second evaporator 125 and a second blower 126, wherein the high temperature compressor 124 is connected to the second four-way valve 122, the second condenser 123, the second throttling part 124, the second evaporator 125 and the second blower 126 in sequence through a pipeline and a refrigerant distribution device.
In this way, the high temperature compressor 121 provides power, the second four-way valve selects the cooling and heating passage 112, the second condenser 123 cools, the second throttling part 124 adjusts the flow rate of the refrigerant, the second evaporator 125 provides the refrigerant with higher evaporation temperature, the second fan 126 exchanges heat with the refrigerant and blows the refrigerant into the room to cool the room strongly, the high temperature compressor loop 12 is adopted to supply the indoor unit (the indoor air conditioner terminal) for controlling the indoor temperature, and the cooling mode can adopt various modes such as air cooling, water cooling, evaporative condensation and the like.
The two systems are provided with corresponding power distribution and control systems and temperature and humidity control systems (systems with lower evaporation temperature), and the temperature, the humidity and other parameters of fresh air are controlled by a fresh air machine; the temperature control system (system with higher evaporation temperature) mainly realizes the secondary cooling of the indoor air conditioning space and mainly controls the temperature. The temperature and humidity of a room are respectively controlled through intelligent control of the two systems, so that the purposes of saving energy, reducing consumption and improving the indoor air quality and comfort are achieved.
The number of the low-temperature compressor 111 and the high-temperature compressor 121 is one or more, and the low-temperature compressor 111 is communicated with the rear end of the fresh air fan 2 through a heat recovery pipeline system 4.
In this way, the low temperature compressor circulation loop 11 can be provided with one or more low temperature compressors 111 according to the self requirement, and the high temperature compressor circulation loop 12 can be provided with one or more high temperature compressors 121 according to the self requirement, and can be frequency conversion, fixed frequency or digital compressors.
The low temperature compressor 111 is communicated with the machine rear end or the rear end air duct of the fresh air machine 2 through the heat recovery pipeline system 4, namely, after the fresh air machine is cooled and dehumidified, when the temperature of the fresh air is too low, the heat generated by the low temperature compressor 111 heats the fresh air, so that the fresh air becomes drier and warmer.
The temperature and humidity control system (fresh air system) in the invention is used for deeply cooling and dehumidifying, the temperature control system (indoor end air conditioner) mainly has a high-efficiency secondary cooling function, and the two systems can operate by adopting compressor frequency conversion (variable refrigerant flow/refrigerant flow). According to the difference of season, personnel's condition, sunshine and orientation etc., nimble control, most of time even only need open temperature and humidity control system (new trend system) just can satisfy the room demand to still can reduce its frequency of use under the condition of the efficiency that improves temperature control system (high temperature compressor), thereby reach the purpose of saving more charges of electricity.
Example 2
As shown in fig. 5, embodiment 2 of the present invention provides a method for controlling a dual-system air conditioner based on two evaporation temperatures, including the following steps:
s1, starting a dual-system air conditioner based on two evaporation temperatures, and detecting the indoor temperature and humidity in real time;
s2, calculating a temperature difference between the indoor temperature detected in S1 and a preset temperature threshold value and a humidity difference between the indoor humidity detected in S1 and a preset humidity threshold value;
s3, controlling the on-off state of the temperature and humidity control system and the temperature control system according to the temperature difference and the humidity difference in the S2, specifically:
when the temperature difference in the S2 is larger than a preset first temperature difference or the humidity difference in the S2 is larger than a preset humidity difference, automatically starting a temperature and humidity control system; otherwise, automatically reducing the starting power of the temperature and humidity control system or automatically closing the temperature and humidity control system;
and when the temperature difference in the step S2 is greater than a preset second temperature difference, automatically turning on the temperature control system, otherwise, automatically reducing the turning-on power of the temperature control system or automatically turning off the temperature control system, wherein the second temperature difference is greater than the first temperature difference.
Therefore, the control method is adopted to control the dual-system air conditioner based on two evaporation temperatures, and under most conditions, the temperature and humidity control system can effectively control indoor temperature and humidity and effectively reduce temperature and dehumidify; under few conditions, when the load of the temperature and humidity control system is not enough to reduce the indoor temperature difference, the temperature control system can effectively control the indoor temperature, and the temperature control system is not required to be turned off or frequency-modulated to run at a low speed, so that the working efficiency of the temperature control system is effectively improved, the use frequency is reduced, and the purposes of saving energy and reducing consumption are achieved.
The invention adopts the temperature and humidity control system (the system with lower evaporation temperature) and the temperature control system (the system with higher evaporation temperature) to jointly adjust the parameters of temperature, humidity and the like of the air-conditioning area, and can flexibly adopt a mode of singly working the systems or jointly working the two systems according to the difference of outdoor environment and indoor personnel conditions and functions. On one hand, the efficiency of the temperature control system (the system with higher evaporation temperature) is greatly improved, on the other hand, the starting time of the temperature control system (the system with higher evaporation temperature) is greatly reduced, and the energy saving rate is greatly improved. Temperature, humidity control are more accurate, and the air quality also promotes by a wide margin. In winter, through the conversion of the four-way valve of the heat pump system, the system can also realize the function of separated heating.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a dual system air conditioner based on two kinds of evaporating temperature, its characterized in that, it is including many outdoor unit (1), new fan (2) and indoor set (3) of concatenating, many outdoor unit (1) and new fan (2) are connected and are constituteed temperature and humidity control system, temperature and humidity control system provides first evaporating temperature's refrigerant, many outdoor unit (1) and indoor set (3) of concatenating are connected and are constituteed temperature control system, temperature control system provides second evaporating temperature's refrigerant, first evaporating temperature is less than second evaporating temperature.
2. The dual system air conditioner based on two evaporation temperatures as set forth in claim 1, wherein said first evaporation temperature is in the range of 0-18 ℃.
3. The dual system air conditioner based on two evaporation temperatures as set forth in claim 2, wherein the second evaporation temperature is in the range of 2-20 ℃.
4. The dual system air conditioner based on two evaporation temperatures according to claim 3, wherein the number of the fresh air machine (2) is one or more.
5. Two-system air conditioner based on two evaporation temperatures, according to claim 4, characterized by the fact that the number of said indoor units (3) is one or more, said indoor units (3) being one or more capillary indoor units (31) or air conditioning terminals.
6. The dual-system air conditioner based on two evaporation temperatures as claimed in claim 5, wherein the multi-connected outdoor unit (1) includes a low temperature compressor circulation loop (11) and a high temperature compressor circulation loop (12), the low temperature compressor circulation loop (11) and the fresh air machine (2) are connected to form a temperature and humidity control system, and the high temperature compressor circulation loop (12) and the indoor unit (3) are connected to form a temperature control system.
7. The dual system air conditioner based on two evaporation temperatures as claimed in claim 6, wherein the low temperature compressor circulation loop (11) comprises a low temperature compressor (111), a first four-way valve (112), a first condenser (113), a first throttling part (114), a first evaporator (115) and a first fan (116), and the low temperature compressor (111) is connected with the first four-way valve (112), the first condenser (113), the first throttling part (114), the first evaporator (115) and the first fan (116) in sequence through a pipeline and a refrigerant distribution device.
8. The dual system air conditioner based on two evaporation temperatures as claimed in claim 7, wherein the high temperature compressor circulation circuit (12) includes a high temperature compressor (121), a second four-way valve (122), a second condenser (123), a second throttling part (124), a second evaporator (125) and a second fan (126), and the high temperature compressor (124) is connected to the second four-way valve (122), the second condenser (123), the second throttling part (124), the second evaporator (125) and the second fan (126) in sequence through a pipeline and a refrigerant distribution device.
9. The dual system air conditioner based on two evaporation temperatures as claimed in claim 8, wherein the number of the low temperature compressor (111) and the high temperature compressor (121) is one or more, and the low temperature compressor (111) is communicated with the rear end of the fresh air machine (2) through a heat recovery pipe system (4).
10. A control method of a dual system air conditioner based on two kinds of evaporation temperatures according to any one of claims 1 to 9, comprising the steps of:
s1, starting a dual-system air conditioner based on two evaporation temperatures, and detecting the indoor temperature and humidity in real time;
s2, calculating a temperature difference between the indoor temperature detected in S1 and a preset temperature threshold value and a humidity difference between the indoor humidity detected in S1 and a preset humidity threshold value;
s3, controlling the on-off state of the temperature and humidity control system and the temperature control system according to the temperature difference and the humidity difference in the S2, specifically:
when the temperature difference in the S2 is larger than a preset first temperature difference or the humidity difference in the S2 is larger than a preset humidity difference, automatically starting a temperature and humidity control system; otherwise, automatically reducing the starting power of the temperature and humidity control system or automatically closing the temperature and humidity control system;
and when the temperature difference in the step S2 is greater than a preset second temperature difference, automatically turning on the temperature control system, otherwise, automatically reducing the turning-on power of the temperature control system or automatically turning off the temperature control system, wherein the second temperature difference is greater than the first temperature difference.
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| CN202010122423.6A CN113310140A (en) | 2020-02-27 | 2020-02-27 | Dual-system air conditioner based on two evaporation temperatures and control method thereof |
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| CN202010122423.6A CN113310140A (en) | 2020-02-27 | 2020-02-27 | Dual-system air conditioner based on two evaporation temperatures and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646096A (en) * | 2022-03-16 | 2022-06-21 | 珠海格力电器股份有限公司 | Indoor unit assembly, air conditioning system and control method of indoor unit assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646096A (en) * | 2022-03-16 | 2022-06-21 | 珠海格力电器股份有限公司 | Indoor unit assembly, air conditioning system and control method of indoor unit assembly |
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