CN208804767U - Multi-temperature air supply air conditioning system - Google Patents
Multi-temperature air supply air conditioning system Download PDFInfo
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- CN208804767U CN208804767U CN201821541072.7U CN201821541072U CN208804767U CN 208804767 U CN208804767 U CN 208804767U CN 201821541072 U CN201821541072 U CN 201821541072U CN 208804767 U CN208804767 U CN 208804767U
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- 238000004378 air conditioning Methods 0.000 title abstract description 6
- 239000007788 liquid Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 description 17
- 230000005494 condensation Effects 0.000 description 9
- 238000009833 condensation Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 7
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 4
- 240000002853 Nelumbo nucifera Species 0.000 description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model belongs to the technical field of air conditioning equipment, a multi-temperature air supply air conditioning system is related to, in the system: the two indoor heat exchangers are connected in series and are separately arranged, a second throttling valve is arranged between the two indoor heat exchangers, and the first indoor heat exchanger and the second indoor heat exchanger are respectively responsible for cold or heat loads of an indoor first area and an indoor second area; the first indoor heat exchanger and the second indoor heat exchanger are respectively externally connected with a first three-way valve and a second three-way valve, and a pipeline is additionally arranged between the two indoor heat exchangers and is respectively connected with the first three-way valve and the second three-way valve; the first three-way valve and the second three-way valve are respectively connected with the first throttling valve and the first four-way valve, and the first throttling valve is sequentially connected with the outdoor heat exchanger, the first four-way valve and the compressor. The utility model discloses an air supply temperature is adjusted to the mode of adjusting a plurality of indoor heat exchanger heat transfer temperature, need not to adjust the fan rotational speed and can adjust air supply temperature, so can not influence the air supply distance. The utility model discloses can establish ties the operation indoor heat exchanger, can certain indoor heat exchanger of independent operation again.
Description
Technical field
The utility model belongs to air conditioner technical field more particularly to a kind of more warm air supply air-conditioner systems.
Background technique
Conventional air-conditioning system is since air outlet angle is limited, installation site is different, building enclosure difference, room air
Can there is a problem of it is uneven in temperature, simultaneously because different crowds is different to the susceptibility of temperature pleasant, using the same air-supply
Temperature is often difficult to reach the demand of room air high-quality, therefore has expedited the emergence of the concept of more temperature air-supplies.
More temperature air supply air-conditioner products currently on the market are mainly heat exchanger system in single chamber, by adjusting turning for blower
Mostly temperature is blown to realize for speed, the mode of wind guiding component swing angle, and this mode will affect air supplying distance when adjusting supply air temperature,
It is difficult to reach really free more temperature air-supplies.In addition, the supply air temperature difference of heat exchanger system is usually smaller in single chamber, it is difficult to meet not
With the demand of human body.
The patent of Patent No. CN105444453A discloses a kind of dual temperature refrigeration and heating system, and protection content is solution
Certainly in double temperature cold water/cold air group the suction and exhaust ports of two-stage compressor can not freeze in dual temperature or when dual temperature heating operation mode into
The problem of row switching, but cannot achieve any one indoor heat exchanger of isolated operation.
Summary of the invention
The following technical problem that the utility model solves: (1) existing more warm air supply air-conditioner systems are mainly to change in single chamber
Hot device system realizes more temperature air-supplies, this mode more by way of adjusting the revolving speeds for covering blowers, wind guiding component swing angle
Adjust supply air temperature when will affect air supplying distance, and in single chamber heat exchanger system supply air temperature difference it is usually smaller, it is difficult to meet
The demand of different human body.(2) the existing concatenated air-conditioning system of multiple indoor heat exchangers can not isolated operation indoor heat exchanger, or
Person is in some indoor device heat exchanger of isolated operation, even if other indoor heat exchangers still have refrigerant to flow through without cold heat load,
There are the losses of cold heat amount.
In order to overcome shortcoming and deficiency existing in the prior art, the purpose of this utility model is to provide a kind of more temperature to send
Wind air-conditioning system, the utility model make two indoor heat exchangers possess different heat-exchange temperatures by adjusting two throttle valves;Root
According to the cold heat load of indoor different zones, the heat-exchange temperature that the second four-way valve exchanges two indoor heat exchangers is adjusted;Pass through adjusting
The opening direction of two triple valves realizes two indoor heat exchanger series connection or isolated operation, realizes diversified more temperature air-supplies.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of more warm air supply air-conditioner systems, the system comprises outdoor unit and indoor unit, outdoor unit includes compressor, first
Four-way valve, outdoor heat exchanger, first throttle valve, the first triple valve, the second triple valve, gas-liquid separator;Indoor unit includes first
Indoor heat exchanger, second throttle, the second indoor heat exchanger;Two indoor heat exchangers are connected but are provided separately, and set between the two
Second throttle is set, the first indoor heat exchanger and the second indoor heat exchanger are each responsible for an indoor region and indoor two regions
Cold or thermic load;First indoor heat exchanger and the second indoor heat exchanger distinguish external first triple valve and the second triple valve, two
Increase pipeline between a indoor heat exchanger to connect with the first triple valve and the second triple valve respectively again;First triple valve and the two or three
Port valve is connect with first throttle valve and the first four-way valve respectively, first throttle valve successively with outdoor heat exchanger, the first four-way valve and
Compressor connection, an access is furthermore additionally provided between the first four-way valve and compressor: the first four-way valve is sequentially connected gas-liquid point
From device and compressor.
The communication direction of first triple valve and the second triple valve is adjusted, it can be achieved that two indoor heat exchanger series operations
Or the one of indoor heat exchanger of isolated operation.
The company of the junction and second triple valve and the first four-way valve of first triple valve and first throttle valve
The setting that place increases by the second four-way valve is connect, the second four-way valve is responsible for exchanging first indoor heat exchanger and the second indoor heat exchanger
Temperature.
First triple valve and the second triple valve are connect with second four-way valve respectively, the second four-way valve again with it is described
First four-way valve is connected with first throttle valve.
First indoor heat exchanger and the second indoor heat exchanger can arbitrarily select to be set as water-cooled or air-cooled form.
The outdoor heat exchanger can arbitrarily select to be set as water-cooled or air-cooled form.
The compressor is frequency-changeable compressor.
The first throttle valve uses electric expansion valve.
The second throttle uses electric expansion valve.The inventive point of the utility model is:
(1) more temperature air supply air-conditioner systems of the utility model can obtain multiple and different indoor heat-exchange temperatures simultaneously.Pass through
The aperture for adjusting two throttle valves respectively, adjusts indoor heat exchanger cold medium flux, so that the evaporating temperature of two indoor heat exchangers
Or condensation temperature is different, to obtain multiple and different heat-exchange temperatures.
(2) heat-exchange temperature of more interchangeable indoor heat exchangers of temperature air supply air-conditioner system of the utility model.The system is than normal
Rule system more a four-way valves, i.e. the second four-way valve, which is responsible for switching the refrigerant flow direction of indoor heat exchanger, thus mutually
Change the heat-exchange temperature of indoor heat exchanger.
(3) more temperature air supply air-conditioner systems of the utility model have the function of series operation, isolated operation indoor heat exchanger.It should
System by way of adjusting multiple triple valve communication directions, can series operation indoor heat exchanger and isolated operation some
Indoor heat exchanger.
The utility model has the advantage that as follows:
(1) the utility model adjusts supply air temperature by way of adjusting multiple indoor heat exchanger heat-exchange temperatures, without adjusting
The i.e. adjustable supply air temperature of rotation speed of fan is saved, therefore will not influence air supplying distance.
(2) the utility model can meet indoor different zones by way of exchanging multiple indoor heat exchanger heat-exchange temperatures
Cold heat load variations.
(3) the utility model can series operation indoor heat exchanger and isolated operation some indoor heat exchanger.Individually fortune
When some indoor heat exchanger of row, other indoor heat exchangers are flowed through without refrigerant, reduce cooling capacity/thermal loss, more energy efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the more warm air supply air-conditioner systems of the utility model;
Fig. 2 is the refrigerant flow graph of the more warm air supply air-conditioner cooling system modes one of the utility model;
Fig. 3 is the refrigerant flow graph of the more warm air supply air-conditioner cooling system modes two of the utility model;
Fig. 4 is the refrigerant flow graph of the more warm air supply air-conditioner system heating modes one of the utility model;
Fig. 5 is the refrigerant flow graph of the more warm air supply air-conditioner system heating modes two of the utility model;
Fig. 6 is the refrigerant flow graph of the more warm air supply air-conditioner Cascade Systems operation indoor heat exchangers of the utility model: (a) from the
One indoor heat exchanger flows to the second indoor heat exchanger;(b) the first indoor heat exchanger is flowed to from the second indoor heat exchanger;
Fig. 7 is the refrigerant flow graph of more warm air supply air-conditioner system the first indoor heat exchangers of isolated operation of the utility model: (a)
The second triple valve is flowed to from the first indoor heat exchanger;(b) the first indoor heat exchanger is flowed to from the second triple valve;
Fig. 8 is the refrigerant flow graph of more warm air supply air-conditioner system the second indoor heat exchangers of isolated operation of the utility model: (a)
The second indoor heat exchanger is flowed to from the first triple valve;(b) the first triple valve is flowed to from the second indoor heat exchanger;
Fig. 9: the utility model water-cooled outdoor heat exchanger schematic diagram;
Wherein, 1- compressor, the first four-way valve of 2-, 3- outdoor heat exchanger, 4- first throttle valve, the second four-way valve of 5-, 6-
First triple valve, the first indoor heat exchanger of 7-, 8- second throttle, the second indoor heat exchanger of 9-, the second triple valve of 10-, 11-
One pipeline, 12- intermediate duct, the second pipeline of 13-, 14- gas-liquid separator.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of more warm air supply air-conditioner systems of the present embodiment include outdoor unit and indoor unit, outdoor unit includes
Compressor 1, the first four-way valve 2, outdoor heat exchanger 3, first throttle valve 4, the second four-way valve 5, the first triple valve 6, the second threeway
Valve 10, gas-liquid separator 14;Indoor unit includes the first indoor heat exchanger 7, second throttle 8, the second indoor heat exchanger 9.
Components described above are connected to as shown in Figure 1 by pipeline.Wherein, it is changed in the first indoor heat exchanger 7 and second Room
Hot device 9 is connected but is provided separately, respective mating independent blower, air duct and wind guiding component, is arranged between two indoor heat exchangers
Second throttle 8.First indoor heat exchanger 7 is responsible for the cold heat load in an indoor region, and the second indoor heat exchanger 9 is responsible for interior
The cold heat load in two regions.
First indoor heat exchanger 7 and the second indoor heat exchanger 9 distinguish external first triple valve 6 and the second triple valve 10,
Between two indoor heat exchangers increase pipeline (intermediate duct 12, the first pipeline 11 and the second pipeline 13) again respectively with the first threeway
Valve 6 and the connection of the second triple valve 10.
First triple valve 6 and the second triple valve 10 are connect with the second four-way valve 5 respectively, and the second four-way valve 5 is again with the one or four
Port valve 2 and first throttle valve 4 connect, and first throttle valve 4 is successively connect with outdoor heat exchanger 3, the first four-way valve 2 and compressor 1,
In addition, separately adding an access between the first four-way valve 2 and compressor 1: the first four-way valve 2 is sequentially connected gas-liquid separator 14 and pressure
Contracting machine 1.
More temperature air supply air-conditioner System Working Principles of the utility model are as follows:
Such as Fig. 2, when the refrigeration duty in indoor two regions is greater than an indoor region, system runs refrigeration mode one: the one or four
Ab connection, the cd connection of port valve 2, ab connection, the cd connection of the second four-way valve 5;The bc of first triple valve 6 is connected to, the second threeway
The ac of valve 10 is connected to.Refrigerant flows through in the first four-way valve 2 entrance outdoor heat exchanger 3 after being discharged from compressor 1 and carries out condensation heat release,
First time throttling is carried out subsequently into first throttle valve 4, then flows through the second four-way valve 5, the first triple valve 6 enters the first interior
First time evaporation endothermic is carried out in heat exchanger 7, is carried out second subsequently into second throttle 8 and is throttled, subsequently enters second Room
Second of evaporation endothermic is carried out in interior heat exchanger 9, passes through the second triple valve 10, the second four-way valve 5, the first four-way valve 2, gas-liquid
Separator 14 returns to compressor 1, completes circulation.
Make second by adjusting the aperture of first throttle valve 4 and second throttle 8 when system operation refrigeration mode a period of time
The evaporating temperature of indoor heat exchanger 9 is lower than the first indoor heat exchanger 7, and adjusts respective blower and wind guiding component, for interior two
The cold wind of lower temperature is sent out in region, and the cold wind of higher temperature is sent out for an indoor region, meets different cold negative in two regions
Lotus.
Such as Fig. 3, when the refrigeration duty in an indoor region is greater than indoor two region, system runs refrigeration mode two: the one or four
Ab connection, the cd connection of port valve 2, ac connection, the bd connection of the second four-way valve 5;The bc of first triple valve 6 is connected to, the second threeway
The ac of valve 10 is connected to.Refrigerant flows through in the first four-way valve 2 entrance outdoor heat exchanger 3 after being discharged from compressor 1 and carries out condensation heat release,
First time throttling is carried out subsequently into first throttle valve 4, then flows through the second four-way valve 5, the second triple valve 10 enters second Room
First time evaporation endothermic is carried out in interior heat exchanger 9, is carried out second subsequently into second throttle 8 and is throttled, subsequently enters first
Second of evaporation endothermic is carried out in indoor heat exchanger 7, passes through the first triple valve 6, the second four-way valve 5, the first four-way valve 2, gas
Liquid/gas separator 14 returns to compressor 1, completes circulation.
When system runs refrigeration mode two, by adjusting the aperture of first throttle valve 4 and second throttle 8, make first
The evaporating temperature of indoor heat exchanger 7 is lower than the second indoor heat exchanger 9, and adjusts respective blower and wind guiding component, for interior one
The cold wind of lower temperature is sent out in region, and the cold wind of higher temperature is sent out for indoor two regions, meets different cold negative in two regions
Lotus.
Such as Fig. 4, when the thermic load in an indoor region is greater than indoor two region, system runs heating mode one: the one or four
Ac connection, the bd connection of port valve 2, ac connection, the bd connection of the second four-way valve 5;The bc of first triple valve 6 is connected to, the second threeway
The ac of valve 10 is connected to.Refrigerant flows through the first four-way valve 2, the second four-way valve 5, the first triple valve 6 after the discharge of compressor 1 and enters the
Condensation heat release for the first time is carried out in one indoor heat exchanger 7, is carried out first time throttling subsequently into second throttle 8, is subsequently entered
Second of condensation heat release is carried out in second indoor heat exchanger 9, then flows through the second triple valve 10, the second four-way valve 5 enters first
Throttle valve 4 carries out second and throttles, and subsequently enters and is evaporated heat absorption in outdoor heat exchanger 3, passes through the first four-way valve 2, gas
Liquid/gas separator 14 returns to compressor 1, completes circulation.
Make first by adjusting the aperture of first throttle valve 4 and second throttle 8 when system operation heating mode a period of time
The condensation temperature of indoor heat exchanger 7 is higher than the second indoor heat exchanger 9, and adjusts respective blower and wind guiding component, for interior one
The hot wind of higher temperature is sent out in region, and the hot wind of lower temperature is sent out for indoor two regions, it is negative to meet two different heat in region
Lotus.
Such as Fig. 5, when the thermic load in indoor two regions is greater than an indoor region, system runs heating mode two: the one or four
Ac connection, the bd connection of port valve 2, ab connection, the cd connection of the second four-way valve 5;The bc of first triple valve 6 is connected to, the second threeway
The ac of valve 10 is connected to.Refrigerant flows through the first four-way valve 2, the second four-way valve 5, the second triple valve 10 after the discharge of compressor 1 and enters
In second indoor heat exchanger 9 carry out for the first time condensation heat release, subsequently into second throttle 8 carry out first time throttling, then into
Enter to carry out second of condensation heat release in the first indoor heat exchanger 7, then flows through the first triple valve 6, the second four-way valve 5 enters first
Throttle valve 4 carries out second and throttles, and subsequently enters and is evaporated heat absorption in outdoor heat exchanger 3, passes through the first four-way valve 2, gas
Liquid/gas separator 14 returns to compressor 1, completes circulation.
When system runs heating mode two, by adjusting the aperture of first throttle valve 4 and second throttle 8, make second
The condensation temperature of indoor heat exchanger 9 is higher than the first indoor heat exchanger 7, and adjusts respective blower and wind guiding component, for interior two
The hot wind of higher temperature is sent out in region, and the hot wind of lower temperature is sent out for an indoor region, it is negative to meet two different heat in region
Lotus.
Such as Fig. 6, when there is cold heat load in interior one, indoor two regions, system runs series operation indoor heat exchanger mould
Formula: the bc connection of the first triple valve 6, the ac connection of the second triple valve 10.Such as refrigerant flows through first the 6, first interior of triple valve
Heat exchanger 7, second throttle 8, the second indoor heat exchanger 9 and the second triple valve 10.
Such as Fig. 7, when there is cold heat load in one region of interior, when indoor two regions are without cold heat load, system operation is individually transported
The mode of the first indoor heat exchanger of row 7: the bc connection of the first triple valve 6, the bc connection of the second triple valve 10.Such as refrigerant flows through
First triple valve 6, the first indoor heat exchanger 7, intermediate duct 12, the second pipeline 13 and the second triple valve 10.
Such as Fig. 8, when there is cold heat load in two regions of interior, when an indoor region is without cold heat load, system operation is individually transported
The mode of the second indoor heat exchanger of row 9: the ac connection of the first triple valve 6, the ac connection of the second triple valve 10.Such as refrigerant flows through
First triple valve 6, the first pipeline 11, intermediate duct 12, second throttle 8, the second indoor heat exchanger 9 and the second triple valve 10.
Above-described " series operation indoor heat exchanger mode ", " the first indoor heat exchanger of isolated operation mode " and " list
Solely heat exchanger mode in operation second Room " is system under the premise of operation refrigeration or heating mode, according to an indoor region and
The cold heat load variations in indoor two regions and switch over.
The above is only the preferred embodiment of the utility model and oneself, not makees in any form to the utility model
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
It falls within the protection scope of the present utility model.
The indoor and outdoor heat exchanger that embodiment described above uses is air-cooled, the indoor and outdoor heat exchanger of alternate embodiment
Also water-cooled can be used.The mounting means of water-cooled heat exchanger, position with it is air-cooled identical, blower is only substituted for water pipe,
Such as Fig. 9.The indoor and outdoor heat exchanger of the present embodiment can freely arrange in pairs or groups the type of cooling according to the actual situation, no matter which kind of collocation mode
It all falls in the protection scope of the utility model.
Claims (9)
1. a kind of more warm air supply air-conditioner systems, which is characterized in that the system comprises outdoor unit and indoor unit, outdoor unit includes pressure
Contracting machine, the first four-way valve, outdoor heat exchanger, first throttle valve, the first triple valve, the second triple valve, gas-liquid separator;Indoor unit
Including the first indoor heat exchanger, second throttle, the second indoor heat exchanger;Two indoor heat exchangers are connected but are provided separately, two
Second throttle is set between person, and the first indoor heat exchanger and the second indoor heat exchanger are each responsible for an indoor region and indoor
The cold or thermic load in two regions;First indoor heat exchanger and the second indoor heat exchanger distinguish external first triple valve and the second threeway
Valve increases pipeline between two indoor heat exchangers and connect respectively with the first triple valve and the second triple valve again;First triple valve
Connect respectively with first throttle valve and the first four-way valve with the second triple valve, first throttle valve successively with outdoor heat exchanger, first
Four-way valve is connected with compressor, and an access is furthermore additionally provided between the first four-way valve and compressor: the first four-way valve successively connects
Connect gas-liquid separator and compressor.
2. a kind of more warm air supply air-conditioner systems as described in claim 1, which is characterized in that adjust first triple valve and the
The communication direction of two triple valves is, it can be achieved that two indoor heat exchanger series operations or the one of indoor heat exchange of isolated operation
Device.
3. a kind of more warm air supply air-conditioner systems as claimed in claim 1 or 2, which is characterized in that first triple valve and the
The junction of one throttle valve and the junction of second triple valve and the first four-way valve increase the setting of the second four-way valve, the
Two four-way valves are responsible for exchanging the temperature of first indoor heat exchanger and the second indoor heat exchanger.
4. a kind of more warm air supply air-conditioner systems as claimed in claim 3, which is characterized in that first triple valve and the two or three
Port valve is connect with second four-way valve respectively, and the second four-way valve is connect with first four-way valve and first throttle valve again.
5. a kind of more warm air supply air-conditioner systems as claimed in claim 3, which is characterized in that first indoor heat exchanger and the
Two indoor heat exchangers can arbitrarily select to be set as water-cooled or air-cooled form.
6. a kind of more warm air supply air-conditioner systems as claimed in claim 3, which is characterized in that the outdoor heat exchanger can be selected arbitrarily
It selects and is set as water-cooled or air-cooled form.
7. a kind of more warm air supply air-conditioner systems as claimed in claim 1 or 2, which is characterized in that the compressor is frequency conversion pressure
Contracting machine.
8. a kind of more warm air supply air-conditioner systems as claimed in claim 1 or 2, which is characterized in that the first throttle valve uses
Electric expansion valve.
9. a kind of more warm air supply air-conditioner systems as claimed in claim 1 or 2, which is characterized in that the second throttle uses
Electric expansion valve.
Priority Applications (1)
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CN201821541072.7U CN208804767U (en) | 2018-09-20 | 2018-09-20 | Multi-temperature air supply air conditioning system |
Applications Claiming Priority (1)
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CN201821541072.7U CN208804767U (en) | 2018-09-20 | 2018-09-20 | Multi-temperature air supply air conditioning system |
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CN208804767U true CN208804767U (en) | 2019-04-30 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108954537A (en) * | 2018-09-20 | 2018-12-07 | 珠海格力电器股份有限公司 | Multi-temperature air supply air conditioning system |
CN110398048A (en) * | 2019-07-23 | 2019-11-01 | 广东美的暖通设备有限公司 | Air-conditioning system, air conditioning control method, air conditioning control device and storage medium |
CN114484916A (en) * | 2021-12-31 | 2022-05-13 | 重庆再升净化设备有限公司 | Air conditioning system |
-
2018
- 2018-09-20 CN CN201821541072.7U patent/CN208804767U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108954537A (en) * | 2018-09-20 | 2018-12-07 | 珠海格力电器股份有限公司 | Multi-temperature air supply air conditioning system |
CN110398048A (en) * | 2019-07-23 | 2019-11-01 | 广东美的暖通设备有限公司 | Air-conditioning system, air conditioning control method, air conditioning control device and storage medium |
CN110398048B (en) * | 2019-07-23 | 2022-11-22 | 广东美的暖通设备有限公司 | Air conditioning system, air conditioning control method, air conditioning control device, and storage medium |
CN114484916A (en) * | 2021-12-31 | 2022-05-13 | 重庆再升净化设备有限公司 | Air conditioning system |
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