CN105202698A - Energy-saving fresh-air air conditioner control system - Google Patents
Energy-saving fresh-air air conditioner control system Download PDFInfo
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- CN105202698A CN105202698A CN201510582162.5A CN201510582162A CN105202698A CN 105202698 A CN105202698 A CN 105202698A CN 201510582162 A CN201510582162 A CN 201510582162A CN 105202698 A CN105202698 A CN 105202698A
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- 238000004378 air conditioning Methods 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention belongs to the field of an electric appliance and ventilation equipment, and provides an energy-saving fresh-air air conditioner control system. The energy-saving fresh-air air conditioner control system comprises a straight air inlet passage, a straight passage control device and a controller, wherein the straight air inlet passage is a passage in which outdoor air entering a room does not exchange heat with air discharged from the room; the straight passage control device comprises a fan or an electric control air valve and is used for controlling the state of the straight air inlet passage, and the state includes an opening state and a non-opening state; the controller is used for controlling the straight passage control device to control the state of the straight air inlet passage according to a relation of an indoor temperature, a set temperature and an outdoor temperature. According to the technical scheme, the energy-saving fresh-air air conditioner control system has the advantages of energy conservation and applicability to the all-weather condition.
Description
Technical Field
The invention belongs to the field of electric appliances and ventilation equipment, and particularly relates to an energy-saving fresh air conditioner control system.
Background
The fresh air system is an independent air processing system which is composed of a fresh air ventilator and pipeline accessories, the fresh air ventilator filters and purifies outdoor fresh air, the fresh air is conveyed indoors through a pipeline, and indoor dirty air with low oxygen content is discharged outdoors. The temperature of the air outside the room necessarily interferes with the temperature of the air inside the room while fresh air is supplied to the room.
Around the world, the outdoor temperature is greatly different from minus dozens to plus dozens all the year round, and even within one day, the temperature difference between day and night is a few degrees when the temperature is small and a few tens of degrees when the temperature is large. Both very comfortable and very uncomfortable temperatures exist.
When fresh air is fed into a room, the comfortable outdoor temperature can be transmitted into the room as soon as possible while the uncomfortable outdoor temperature is prevented from being transmitted into the room, and the system is an ideal fresh air system and the aim of trying to achieve the temperature control is achieved.
The existing fresh air system comprises a unidirectional flow fresh air system and a bidirectional flow fresh air system.
The unidirectional flow fresh air system is a simple fresh air system, fresh air is fed into an indoor designated area by a unidirectional ventilation fan, and dirty air in the room is discharged from a door and window seam; or dirty air is extracted from a designated indoor area and exhausted to the outside, and fresh air is sucked into the room from the door and window seams, as shown in figure 1. Or a fresh air distribution straight-through channel is added in an indoor circulating system of the air conditioner, fresh air is controlled to enter by an air valve for air distribution, and the air distribution power is from an air circulating system of the air conditioner, as shown in figure 2.
A bidirectional flow direct-discharging type fresh air system is a more formal fresh air system as shown in figure 3, and is provided with an air inlet channel and an air exhaust channel. The fresh air outside the room is directly discharged into the designated area inside the room, and simultaneously the dirty air in the designated area inside the room is discharged out of the room, so that a complete air flow is formed inside the room.
The fresh air systems with the structures have no control measures between outdoor air temperature conduction and indoor air temperature conduction, and the indoor temperature is greatly influenced by the outdoor temperature. Not suitable when the outdoor air temperature is too high or too low.
In order to solve the above problems, the prior art proposes another energy saving type, as shown in fig. 4, on the basis of a bidirectional direct-flow type fresh air system, a heat exchanger is added between indoor and outdoor air, so that the interference of outdoor undesirable temperature to indoor temperature can be reduced, the loss of indoor desirable temperature energy can be reduced, and a certain energy saving effect can be achieved. However, when the outdoor air temperature is more ideal than the indoor temperature, the method cannot effectively utilize the outdoor ideal temperature energy in time, so the structure provided by the prior art cannot be suitable for all weather conditions.
Disclosure of Invention
The embodiment of the invention aims to provide an energy-saving fresh air conditioner control system capable of controlling automatic conversion of indoor and outdoor temperature energy utilization operation modes. The outdoor temperature energy can be effectively utilized in time when the outdoor temperature is ideal, and the loss of the indoor temperature energy can be reduced when the outdoor temperature is not ideal. The system comprises a high-efficiency energy-saving fresh air conditioner control system with a heat exchanger and a common energy-saving fresh air conditioner control system without the heat exchanger, and aims to solve the problem that the prior technical scheme can not be suitable for all weather conditions.
The method is characterized in that: when the outdoor temperature is not ideal, the interference of the outdoor temperature to the indoor temperature is reduced as much as possible, and the loss of indoor temperature energy is reduced as much as possible; when the outdoor temperature is ideal, the outdoor temperature is introduced into the room as soon as possible to shift the indoor temperature toward the set temperature. The natural temperature energy is utilized as much as possible to adjust and improve the indoor temperature, and the purpose of saving energy consumption is achieved.
The high-efficiency energy-saving fresh air conditioner control system with the heat exchanger can automatically switch to a heat exchange state when the outdoor temperature is not ideal, outdoor air enters the room through the heat exchange channel, partial indoor discharged outdoor temperature energy is recycled, and loss of the indoor temperature energy is reduced as much as possible; when the outdoor temperature is ideal, the outdoor temperature can be automatically switched to an external temperature direct connection state, outdoor air directly enters the room through a direct connection air inlet channel and does not exchange heat with indoor discharged outdoor air, and the indoor temperature is changed to the set temperature by fully and timely utilizing the ideal outdoor air temperature;
when the outdoor temperature is not ideal, the common energy-saving fresh air conditioning control system without the heat exchanger can be automatically switched to a small flow mode so as to ensure the oxygen content used by indoor respiration and reduce the loss of indoor temperature energy as much as possible; when the outdoor temperature is ideal, the indoor temperature is automatically switched to the large flow mode, and the indoor temperature is changed to the set temperature by using the ideal outdoor air temperature.
In one aspect, an energy-saving fresh air conditioning control system is provided, the system comprising: a straight-through air intake passage, a straight-through passage control device and a controller; wherein,
the straight-through air inlet channel specifically comprises: the air that enters the indoor from the outdoor and the air that is discharged to the outdoor from the indoor are not heat exchanged. The air conditioner can be an independent special straight-through air inlet channel, or a variable straight-through air inlet channel which can change the working state and change the working state into a state without heat exchange, for example, an indoor air exhaust channel which carries out heat exchange stops working, indoor dirty air is discharged to the outdoor from another channel or a door and window seam, and the purpose that the original air inlet channel does not carry out heat exchange can be achieved, so that the air inlet channel is changed into the straight-through air inlet channel;
the straight-through channel control equipment comprises a fan, an electric control air valve and the like, and is used for controlling the state of a straight-through air inlet channel, wherein the state comprises the following steps: an on state and a non-on state;
optionally, a high-efficiency energy-saving fresh air conditioner control system with a heat exchanger,
the on state is specifically: opening a straight-through air inlet channel;
the non-on state is specifically: closing the direct air inlet channel;
optionally, a common energy-saving fresh air conditioning control system without a heat exchanger,
the on state is specifically: the air flow which is directly communicated with the air inlet channel is larger than the minimum flow of the indoor oxygen demand;
the non-on state is specifically: the air flow rate through the intake passage is the minimum flow rate of the indoor oxygen demand.
A controller for commanding the through passage control device to control the state of the through intake passage according to a relationship among the indoor temperature, the set temperature, and the outdoor temperature.
Optionally, the controller is specifically configured to instruct the straight-through passage control device to control the state of the straight-through intake passage to be an open state if a relationship among the indoor temperature, the set temperature, and the outdoor temperature satisfies that the outdoor temperature is equal to the set temperature.
Optionally, the controller is specifically configured to instruct the straight-through passage control device to control the state of the straight-through intake passage to be an on state if a relationship among the indoor temperature, the set temperature, and the outdoor temperature satisfies that the outdoor temperature is less than the set temperature and the indoor temperature is greater than the set temperature or the indoor temperature is less than the outdoor temperature.
Optionally, the controller is specifically configured to instruct the straight-through passage control device to control the state of the straight-through intake passage to be the on state if a relationship among the indoor temperature, the set temperature, and the outdoor temperature satisfies that the outdoor temperature is greater than the set temperature, and the indoor temperature is less than the set temperature or the indoor temperature is greater than the outdoor temperature.
In the embodiment of the invention, the technical scheme provided by the invention provides an energy-saving fresh air conditioner control system, which comprises a high-efficiency energy-saving fresh air conditioner control system with a heat exchanger and a common energy-saving fresh air conditioner control system without the heat exchanger, and the energy-saving fresh air conditioner control system has the advantage of adapting to all weather conditions.
Drawings
Fig. 1 is a schematic structural diagram of a unidirectional flow fresh air system provided in the prior art;
fig. 2 is a schematic structural diagram of a unidirectional flow fresh air system for air distribution of an electric control air valve provided in the prior art;
FIG. 3 is a schematic structural diagram of a bi-directional flow in-line type fresh air system provided in the prior art;
FIG. 4 is a schematic structural diagram of a bi-directional flow fresh air system with heat exchange provided by the prior art;
fig. 5 is a schematic structural diagram of an energy-efficient fresh air conditioning control system with a completely new structure provided by the invention.
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.
The specific embodiment of the invention provides an energy-saving fresh air conditioner control system, which comprises: a straight-through air intake passage, a straight-through passage control device and a controller; wherein,
a through-passage control device for controlling a state of a through-intake passage, the state including: an on state and a non-on state;
a controller for commanding the through passage control device to control the state of the through intake passage according to a relationship among the indoor temperature, the set temperature, and the outdoor temperature.
Optionally, the straight-through intake passage may specifically be: the direct air inlet channel can be a variable direct air inlet channel which can change the working state and change the air inlet channel carrying out heat exchange into the air inlet channel not carrying out heat exchange, except the independent special direct air inlet channel not carrying out heat exchange, and can also be a door and window direct air inlet channel; the through passage control device may be a fan (as shown in fig. 1) that is directly connected to the intake passage, or may be an electrically controlled air valve (as shown in fig. 2) or an electrically controlled door/window.
The above-mentioned on state may be specifically: the high-efficiency energy-saving fresh air conditioner control system with the heat exchanger is directly communicated with an air inlet channel to be opened; in a common energy-saving fresh air conditioner control system without a heat exchanger, the air flow directly communicated with an air inlet channel is larger than the minimum flow of indoor oxygen demand; the non-on state may be specifically: the high-efficiency energy-saving fresh air conditioner control system with the heat exchanger is characterized in that a direct air inlet channel is closed; in the control system of the common energy-saving fresh air conditioner without a heat exchanger, the air flow directly communicated with the air inlet channel is the minimum flow of the indoor oxygen demand.
The purpose of setting 2 states is that in the actual energy-saving fresh air conditioning control system, the air inlet channel of the high-efficiency energy-saving fresh air conditioning control system with the heat exchanger can be switched between a direct air inlet channel and a heat exchange air inlet channel, and after the direct air inlet channel is closed, the heat exchange air inlet channel is opened at the same time, so that fresh air can be provided for the indoor space; the common energy-saving fresh air conditioning control system without the heat exchanger can not provide fresh air for the indoor space and can not ensure the external fresh air required by indoor personnel after the straight-through air inlet channel is closed, so the control system can not be completely closed under the general condition, when the external air temperature is ideal, the external air can enter in large flow to improve the indoor temperature as soon as possible, and when the external air temperature is not ideal, the external air enters in the indoor space in small flow to ensure the external fresh air required by the indoor personnel.
Example 1
The specific embodiment of the present invention provides an energy-efficient fresh air conditioning control system with a new structure, and as shown in fig. 5, the energy-efficient fresh air conditioning control system includes: the indoor and outdoor heat exchanger comprises a heat exchanger 1 arranged between the indoor and the outdoor, an indoor dirty air exhaust channel 2, an indoor fresh air exhaust channel 3, an outdoor fresh air exhaust channel 4, an outdoor dirty air exhaust channel 5, an outdoor fresh air direct exhaust channel 7, an electric control valve and a controller;
the output end of the indoor dirty air discharge channel 2 is communicated with the heat exchanger 1, the input end of the indoor fresh air discharge channel 3 is communicated with the heat exchanger 1, the output end of the outdoor fresh air discharge channel 4 is communicated with the heat exchanger 1, and the input end of the outdoor dirty air discharge channel 5 is communicated with the heat exchanger 1; the output end of the outdoor fresh air direct discharge channel 7 is communicated with the indoor fresh air discharge channel 3, and the controller is electrically connected with the electric control valve;
electric control valves are arranged in the outdoor fresh air exhaust channel 4 and the outdoor fresh air direct exhaust channel 7; optionally, an electric control three-way valve is arranged at the intersection of the outdoor fresh air exhaust channel 4 and the outdoor fresh air straight-through exhaust channel 7;
and the controller is used for commanding the electric control valve to control the states of the outdoor fresh air exhaust channel 4 and the outdoor fresh air direct exhaust channel 7 according to the relation among the indoor temperature, the set temperature and the outdoor temperature.
The working principle of the invention is that as the outdoor fresh air direct-through exhaust channel 7 is added, when the outdoor temperature of the channel is changed towards the set temperature, the second electric control valve 8 is opened, the first electric control valve 6 is closed, the outdoor fresh air exhaust channel 4 is closed, the outdoor air bypasses the heat exchanger 1 through the outdoor fresh air direct-through exhaust channel 7 and directly enters the room for fresh air exchange; on the contrary, the second electric control valve 8 is closed, the outdoor fresh air is directly discharged into the channel 7 to be closed, the first electric control valve 6 is opened, the outdoor fresh air is discharged into the channel 4 to discharge fresh air into the heat exchanger 1, and the heat exchanger 1 works to realize fresh air input and heat exchange, so the high-efficiency energy-saving fresh air conditioning system can adapt to all conditions; the application scheme of the invention has an intelligent control scheme, the indoor temperature, the outdoor temperature and 3 preset ideal temperatures are compared, if the outdoor temperature can change towards the set temperature when entering, the controller controls the electric control valve 6 to close the outdoor fresh air exhaust channel 4, meanwhile, the controller controls the electric control valve 8 to open the outdoor fresh air through exhaust channel 7, the outdoor air bypasses the heat exchanger 1, directly enters the room through the outdoor fresh air through exhaust channel 7 to exchange fresh air, the outdoor ideal temperature is brought into the room, and the indoor temperature changes towards the set temperature; on the contrary, the controller controls the electric control valve 6 to open the outdoor fresh air exhaust channel 4, simultaneously the controller controls the electric control valve 8 to close the outdoor fresh air direct exhaust channel 7, the outdoor air enters the room through the heat exchanger 1 to carry out fresh air exchange, and the indoor temperature is kept in an ideal state as much as possible.
Example 2
The specific embodiment of the present invention provides another energy-efficient fresh air conditioning control system, which is described with reference to fig. 4, and includes: the heat exchanger, the indoor dirty air exhaust channel, the indoor fresh air exhaust channel, the outdoor fresh air exhaust channel and the outdoor dirty air exhaust channel are arranged between the indoor space and the outdoor space, and the controller is additionally arranged;
the output end of the indoor dirty air exhaust channel is communicated with the heat exchanger, the input end of the indoor fresh air exhaust channel is communicated with the heat exchanger, the output end of the outdoor fresh air exhaust channel is communicated with the heat exchanger, and the input end of the outdoor dirty air exhaust channel is communicated with the heat exchanger; the controller is electrically connected with the fan of the dirty air discharge channel;
and the controller is used for commanding the fan of the dirty air exhaust channel to control the opening and closing of the dirty air exhaust channel according to the relation among the indoor temperature, the set temperature and the outdoor temperature, and further enabling the fresh air exhaust channel to be in a state of being switched between the heat exchange fresh air exhaust channel and the fresh air direct-through exhaust channel.
The working principle of the invention is that the controller is added to control the fan of the dirty air exhaust channel, so that the dirty air exhaust channel is opened and closed, when the outdoor temperature is entered to change the indoor temperature towards the set temperature, the dirty air exhaust channel is closed, dirty air is exhausted outdoors through a door and window seam, the fresh air exhaust channel is changed from the heat exchange fresh air exhaust channel into a fresh air straight-through exhaust channel, and the outdoor air directly enters the indoor without heat exchange through the channel; on the contrary, the dirty air exhaust channel is opened, the fresh air exhaust channel returns to the state of the heat exchange fresh air exhaust channel, and the outdoor fresh air enters the room through the heat exchange of the channel, so the high-efficiency energy-saving fresh air conditioning system can adapt to all conditions; the application scheme of the invention has an intelligent control scheme, the indoor temperature, the outdoor temperature and 3 preset ideal temperature values are compared, if the outdoor temperature can change towards the set temperature when entering, the controller controls the fan of the dirty air exhaust channel to close the dirty air exhaust channel, dirty air is exhausted outdoors through a door and window seam, the fresh air exhaust channel is changed into a fresh air straight-through exhaust channel from a heat exchange fresh air exhaust channel, outdoor air directly enters the room without heat exchange through the channel, the outdoor ideal temperature is brought into the room, and the indoor temperature changes towards the set temperature; on the contrary, the controller controls the fan of the dirty air discharge channel to open the dirty air discharge channel, outdoor air enters the room through the heat exchanger to exchange fresh air, and the indoor temperature is kept in an ideal state as much as possible.
Example 3
The present invention provides another energy-saving fresh air conditioning control system without heat exchanger, which is described with reference to fig. 1, fig. 2, and fig. 3, and includes: a fresh air inlet channel or a dirty air outlet channel arranged between the indoor and the outdoor, a fan or an electric control air valve on the channel, and a controller;
wherein the controller is electrically connected with a fan or an electric control air valve of a fresh air inlet channel (or a dirty air outlet channel-a one-way flow fresh air system which only discharges air outwards),
and a controller for commanding a fan or an electrically controlled damper of the fresh air discharge passage to increase and decrease a flow rate of the fresh air discharge passage according to a relationship among the indoor temperature, the set temperature, and the outdoor temperature.
The working principle of the invention is that the controller is added to control the fan or the electric control air valve of the fresh air exhaust channel, so that the flow of the fresh air exhaust channel is increased and decreased, when the outdoor temperature is increased to change the indoor temperature towards the set temperature, the flow of the fresh air exhaust channel is increased, and the outdoor air with large flow enters the room through the channel; on the contrary, the flow rate of the fresh air discharged into the channel is reduced, and the outdoor fresh air with small flow rate enters the room to ensure the breathing oxygen of the indoor personnel. Therefore, the common energy-saving fresh air conditioning system can adapt to most weather conditions; the application scheme of the invention has an intelligent control scheme, the indoor temperature, the outdoor temperature and 3 preset ideal temperature values are compared, if the outdoor temperature can change towards the set temperature when entering, the controller controls the fan or the electric control air valve of the fresh air exhaust channel to increase the flow of the fresh air exhaust channel, bring the outdoor ideal temperature into the room in large flow, and quickly change the indoor temperature towards the set temperature; on the contrary, the controller controls the fan or the electric control air valve of the fresh air exhaust channel, so that the flow of the fresh air exhaust channel is reduced, and small-flow outdoor fresh air enters the room, thereby ensuring the breathing oxygen of indoor personnel and keeping the indoor temperature in an ideal state as much as possible.
The straight-through intake passage and the straight-through discharge passage described in the embodiments of the present invention refer to intake passages that do not undergo heat exchange unless otherwise specified.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an energy-conserving new trend air conditioner control system which characterized in that, the system includes: a straight-through air intake passage, a straight-through passage control device and a controller; wherein,
a through-passage control device for controlling a state of a through-intake passage, the state including: an on state and a non-on state;
a controller for commanding the through passage control device to control the state of the through intake passage according to a relationship among the indoor temperature, the set temperature, and the outdoor temperature.
2. The energy-saving fresh air conditioning control system according to claim 1, wherein the straight-through air inlet channel is specifically:
the special through air inlet channel is used for preventing the air entering the room from the outside and the air discharged to the outside from the inside of the room from exchanging heat;
or a through intake passage through which the air taken into the room from the outside and the air discharged to the outside from the inside have been changed from the heat exchange state to the non-heat exchange state.
3. The energy-saving fresh air conditioning control system according to claim 1, wherein the system further comprises a heat exchanger,
the on state is specifically: opening a straight-through air inlet channel;
the non-on state is specifically: through the closing of the intake passage.
4. An energy-saving fresh air conditioning control system according to claim 1, wherein the system does not include a heat exchanger,
the on state is specifically: the air flow which is directly communicated with the air inlet channel is larger than the minimum flow of the indoor oxygen demand;
the non-on state is specifically: the air flow rate through the intake passage is the minimum flow rate of the indoor oxygen demand.
5. The energy-saving fresh air conditioning control system according to claim 1,
the controller is specifically configured to instruct the straight-through passage control device to control the state of the straight-through intake passage to an on state if a relationship among the indoor temperature, the set temperature, and the outdoor temperature satisfies that the outdoor temperature is equal to the set temperature.
6. The energy-saving fresh air conditioning control system according to claim 1,
the controller is specifically configured to instruct the straight-through passage control device to control the state of the straight-through intake passage to be an open state if a relationship among the indoor temperature, the set temperature, and the outdoor temperature satisfies that the outdoor temperature is less than the set temperature and the indoor temperature is greater than the set temperature or the indoor temperature is less than the outdoor temperature.
7. The energy-saving fresh air conditioning control system according to claim 1,
the controller is specifically configured to command the straight-through passage control device to control the state of the straight-through intake passage to be the open state if a relationship among the indoor temperature, the set temperature, and the outdoor temperature satisfies that the outdoor temperature is greater than the set temperature and the indoor temperature is less than the set temperature or the indoor temperature is greater than the outdoor temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510582162.5A CN105202698A (en) | 2015-07-03 | 2015-09-14 | Energy-saving fresh-air air conditioner control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510391761 | 2015-07-03 | ||
| CN2015103917619 | 2015-07-03 | ||
| CN201510582162.5A CN105202698A (en) | 2015-07-03 | 2015-09-14 | Energy-saving fresh-air air conditioner control system |
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| CN105202698A true CN105202698A (en) | 2015-12-30 |
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| CN201510582162.5A Pending CN105202698A (en) | 2015-07-03 | 2015-09-14 | Energy-saving fresh-air air conditioner control system |
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| CN107202411A (en) * | 2017-06-23 | 2017-09-26 | 深圳大然新风科技有限公司 | Fresh air output switching control method and VMC in new blower fan |
| CN107702250A (en) * | 2017-10-11 | 2018-02-16 | 宁波奈兰环境系统有限公司 | Fresh air heat pump all-in-one |
| CN110595005A (en) * | 2019-09-29 | 2019-12-20 | 珠海格力电器股份有限公司 | Unit control method and device based on heat recovery and heat exchange quantity and air conditioning unit |
| CN114543171A (en) * | 2022-02-16 | 2022-05-27 | 青岛海信日立空调系统有限公司 | Air conditioner |
| CN114811753A (en) * | 2022-05-20 | 2022-07-29 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit, air conditioner and control method of air conditioner outdoor unit |
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Application publication date: 20151230 |
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