CN116007172A - Negative oxygen ion air conditioner and control method - Google Patents
Negative oxygen ion air conditioner and control method Download PDFInfo
- Publication number
- CN116007172A CN116007172A CN202310140687.8A CN202310140687A CN116007172A CN 116007172 A CN116007172 A CN 116007172A CN 202310140687 A CN202310140687 A CN 202310140687A CN 116007172 A CN116007172 A CN 116007172A
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- humidity
- negative oxygen
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- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 60
- 239000001301 oxygen Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000009833 condensation Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 18
- -1 oxygen ion Chemical class 0.000 claims description 56
- 239000003507 refrigerant Substances 0.000 claims description 9
- 230000001954 sterilising effect Effects 0.000 abstract description 16
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000746 purification Methods 0.000 abstract description 10
- 230000036541 health Effects 0.000 abstract description 7
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 description 13
- 230000008569 process Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 230000003405 preventing effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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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
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method of a negative oxygen ion air conditioner, which comprises the following steps: detecting indoor air humidity, and when the air humidity is within a preset range, controlling and adjusting the air outlet direction to a personnel gathering area by the control device according to the detection result of the personnel sensing detection device; when the air humidity is lower than the lower limit value of the preset range, the air humidity is improved by reducing the air outlet temperature and/or starting the humidifying device; and when the air humidity is higher than the upper limit value of the preset range, entering an anti-condensation control mode. Through the combined control mode of air humidity and air-out temperature, can fully adjust negative oxygen ion concentration, make it play good sterilization purification effect, avoid humidity too big and influence user's comfort level simultaneously, fully coordinate temperature, humidity and the relation of bactericidal performance, satisfy user's health and travelling comfort requirement.
Description
Technical Field
The invention relates to the technical field of air conditioner control, in particular to a negative oxygen ion air conditioner and a control method.
Background
Negative oxygen ions are taken as one of the main components of active oxygen, and have negative charges similar to superoxide radicals in structure, have strong oxidation-reduction effect and good air purification and sterilization functions, so that more and more air conditioners are provided with negative oxygen ion generating devices. The concentration of negative oxygen ions is closely related to air humidity, when the air humidity is small, the concentration of negative oxygen ions generated by the negative oxygen ion generating device is low, along with the rise of the air humidity, the concentration of negative oxygen ions is gradually increased, the purification and sterilization functions of indoor air are also gradually enhanced, but in the actual use process, when the air humidity is too high, the condensation phenomenon of an air conditioner is easily caused, and the normal use of the air conditioner is influenced. Therefore, how to coordinate the relationship between humidity, sterilization capability and normal operation of the air conditioner for the negative oxygen ion air conditioner so as to meet the health and comfort requirements of users is a problem to be solved in the field.
Disclosure of Invention
In view of the above, the present invention is directed to a negative oxygen ion air conditioner and a control method thereof to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a negative oxygen ion air conditioner control method comprises the following steps:
detecting indoor air humidity, and when the air humidity is within a preset range, controlling and adjusting the air outlet direction to a personnel gathering area by the control device according to the detection result of the personnel sensing detection device;
when the air humidity is lower than the lower limit value of the preset range, the air humidity is improved by reducing the air outlet temperature and/or starting the humidifying device;
and when the air humidity is higher than the upper limit value of the preset range, entering an anti-condensation control mode. Through the combined control mode of air humidity and air-out temperature, can fully adjust negative oxygen ion concentration, make it play good sterilization purification effect, avoid humidity too big and influence user's comfort level simultaneously, fully coordinate temperature, humidity and the relation of bactericidal performance, satisfy user's health and travelling comfort requirement.
Further, the preset range is 40% -85%. When the air humidity is 40% -85%, the negative oxygen ion concentration can achieve good sterilization and purification effects, the comfort level of a user is high, and the air conditioner is not easy to generate condensation.
Further, when the air humidity is in a preset range, the air outlet temperature is adjusted according to the preset temperature, and when the air outlet temperature meets a first preset temperature requirement, the control device adjusts the air outlet direction to the personnel gathering area according to the detection result of the human sense detection device. Fully meets the requirements of health and comfort of users and has good sterilization and purification effects.
Further, the way to reduce the temperature of the air outlet includes reducing the rotational speed of the indoor fan and increasing the operating frequency of the compressor.
Further, when the air outlet temperature is smaller than the first preset temperature and the air outlet humidity is still lower than 40%, the control device controls and adjusts the air outlet direction to the unmanned area, and meanwhile the air outlet temperature and the air humidity are continuously detected. The air outlet temperature is reduced and the humidifying device is started to be insufficient to lift the indoor air humidity to an ideal level, the air outlet temperature is required to be further reduced, and the user comfort level is seriously influenced by the further reduction of the air outlet temperature, so that the control device controls the air outlet direction to be adjusted to an unmanned area, and at the moment, the air outlet temperature is continuously reduced, so that the air humidity can be improved, and the influence on the user comfort level can be avoided.
Further, when the air humidity is in a preset range, the air outlet temperature is adjusted to meet a first preset temperature requirement, and when the air outlet temperature meets the first preset temperature and the air humidity is in a humidity range, the control device controls the air outlet direction to be adjusted to the personnel gathering area. The air outlet temperature meets the first preset temperature, the air humidity is in the humidity range, the air outlet temperature is reduced, the humidifying device is started to effectively improve the indoor air humidity, the control device controls and adjusts the air outlet direction to the personnel gathering area, and the air conditioner operates normally to perform refrigeration, sterilization and purification functions.
Further, the anti-condensation mode includes reducing the opening of the expansion valve and/or reducing the frequency of the compressor to reduce the flow rate of the refrigerant flowing through the indoor heat exchanger, and increasing the temperature of the indoor heat exchanger, thereby reducing the temperature difference between the indoor temperature and the fins of the indoor heat exchanger.
Further, in the operation process of the anti-condensation mode, when the temperature of the air outlet is higher than the second preset temperature, the anti-condensation mode is exited.
Compared with the prior art, the negative oxygen ion air conditioner control method has the following advantages:
through a series of control modes, the concentration of negative oxygen ions can be fully regulated, so that the negative oxygen ions have a good sterilization and purification effect, meanwhile, the influence on user comfort caused by too high humidity is avoided, the relationship between temperature, humidity and sterilization performance is fully coordinated, and the health and comfort requirements of users are met.
The invention also provides a negative oxygen ion air conditioner which comprises the negative oxygen ion air conditioner control method, and further comprises a negative oxygen ion generating device, a humidifying device and a human sense detecting device.
Further, the negative oxygen ion generating device is used for generating negative oxygen ions, the negative oxygen ion generating device is arranged in an air outlet air duct of the air conditioner and used for generating the negative oxygen ions for air flow blown out by the indoor fan, the humidifying device is used for increasing humidity of the air outlet, and the humidifying module is arranged in the air outlet air duct of the air conditioner and used for humidifying the air flow blown out by the indoor fan.
The negative oxygen ion air conditioner has the same advantages as the control method of the negative oxygen ion air conditioner compared with the prior art, and the details are not repeated here.
Drawings
FIG. 1 is a flow chart of a negative oxygen ion air conditioner control method according to an embodiment of the invention;
fig. 2 is a flowchart of a control method of a negative oxygen ion air conditioner according to an embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 1-2, a control method of a negative oxygen ion air conditioner comprises the following steps:
s100, firstly detecting indoor air humidity, and at the air humidity H 0 When the wind outlet direction is within the preset range, the control device controls and adjusts the wind outlet direction to the personnel gathering area according to the detection result of the human sense detection device.
When the indoor humidity is lower than 40%, user comfort is affected, and thus, it is necessary to appropriately increase the indoor air humidity. The concentration of the negative oxygen ions generated by the negative oxygen ion generating device continuously rises along with the increase of the air humidity, the concentration of the negative oxygen ions gradually rises along with the increase of the concentration, and the purification and sterilization functions of indoor air are also gradually enhanced, but in the actual use process, when the air humidity is too high and higher than 85%, the condensation phenomenon of the air conditioner is easily caused. According to research, when the air humidity is 40% -85%, the negative oxygen ion concentration can achieve good sterilization and purification effects, the comfort level of a user is high, and the air conditioner is not easy to generate condensation. Therefore, the preset range is set to be 40% -85%, when the air humidity is in the preset range, the air outlet temperature is adjusted according to the preset temperature, and when the air outlet temperature meets the first preset temperature requirement, the control device adjusts the air outlet direction to the personnel gathering area according to the detection result of the human sense detection device, so that the health and comfort requirements of users are fully met.
In this embodiment, the first preset temperature requirement is set according to the use environment of the air conditioner, and may be stored in the air conditioning system when leaving the factory, or may be set by the after-market personnel after installation.
S200, at air humidity H 0 When the temperature is lower than the lower limit value of the preset range, the air humidity is improved by reducing the air outlet temperature and/or starting the humidifying device.
When the air humidity is lower than 40%, the user comfort is affected, the indoor negative oxygen ion concentration is low, the sterilizing and purifying effects are poor, and the air humidity needs to be improved while the negative oxygen ion concentration is improved.
According to researches, the lower the temperature of the air in the same state is, the higher the humidity is, so when the indoor heat exchanger works as an evaporator and the air humidity is lower, the air humidity can be increased by reducing the air outlet temperature and/or starting the humidifying device, so that the air humidity reaches the humidity range favorable for generating negative oxygen ions. However, the air outlet temperature is too low and the comfort level of indoor users is affected, so that when the air humidity is increased by reducing the air outlet temperature, the air outlet direction needs to be further adjusted according to the air outlet temperature.
Further, the way to reduce the temperature of the air outlet includes: the rotation speed of the indoor fan is reduced, the operation frequency of the compressor is increased, and the rotation speed of the indoor fan is reduced in preference to the operation frequency of the compressor. The compressor load is reduced.
Specifically, when the air outlet temperature is smaller than the first preset temperature and the air outlet humidity is still lower than 40%, the control device controls and adjusts the air outlet direction to the unmanned area, meanwhile, the air outlet temperature and the air humidity are continuously detected, when the air humidity is in a preset range, the air outlet temperature is adjusted to meet the first preset temperature requirement, and when the air outlet temperature meets the first preset temperature and the air humidity is in a humidity range, the control device controls and adjusts the air outlet direction to the personnel gathering area.
S300, at air humidity H 0 And when the temperature is higher than the upper limit value of the preset range, entering an anti-condensation control mode.
When the air humidity is higher than 85%, the condensation phenomenon of the air conditioner may be caused, and thus it is necessary to first perform the anti-condensation mode. The anti-condensation mode comprises the steps of reducing the opening degree of an expansion valve and/or reducing the frequency of a compressor so as to reduce the flow rate of a refrigerant flowing through the indoor heat exchanger, and improving the temperature of the indoor heat exchanger, so that the temperature difference between the indoor temperature and the fins of the indoor heat exchanger is reduced.
In the operation process of the anti-condensation mode, when the air outlet temperature is too high, the anti-condensation mode is exited. Specifically, when the air outlet temperature is higher, the air conditioner is not easy to generate condensation, and the higher air outlet temperature is easy to influence the indoor user comfort level, so that the indoor user comfort level is preferentially ensured by exiting the condensation prevention mode. Preferably, when the air outlet temperature is greater than the second preset temperature, the control device controls to exit the condensation preventing mode.
In this embodiment, the second preset temperature is greater than the first preset temperature.
Further, in the operation process of the anti-condensation mode, after the opening of the expansion valve is reduced, continuously detecting the indoor temperature and the indoor heat exchanger fin temperature, calculating the difference value of the indoor temperature and the indoor heat exchanger fin temperature, and when the difference value of the indoor temperature and the indoor heat exchanger fin temperature is larger than a preset difference value, additionally reducing the refrigerant flow in a mode of reducing the frequency of the compressor; and when the difference between the indoor temperature and the indoor heat exchanger fin temperature is smaller than the preset difference, continuing to operate in the current mode.
In this embodiment, through a series of control methods, can fully adjust negative oxygen ion concentration, make it play good sterilization purification effect, avoid humidity too big and influence user's comfort level simultaneously, fully coordinate temperature, humidity and sterilization performance's relation, satisfy user's health and travelling comfort requirement.
As a part of the embodiment of the invention, the negative oxygen ion air conditioner control method specifically comprises the following steps:
s101, detecting indoor air humidity H 0 Judging the air humidity H 0 Whether the preset range is within the preset range, if so, executing step S102; if not, go to step S200 or S300.
S102, air humidity H 0 Detecting the air outlet temperature within a preset range, judging whether the air outlet temperature meets a first preset temperature requirement, if so, executing step S104, detecting the indoor personnel position by a human sensing detection device, and controlling the air outlet direction to be adjusted to a personnel gathering area; if not, step S103 is executed, and the human sensing detection device detects the indoor personnel position, controls the air outlet direction to be adjusted to the unmanned area, and continuously detects the air outlet temperature.
S103, detecting the position of indoor personnel by the human sense detection device, and controlling the air outlet direction to be adjusted to the unmanned area.
S104, detecting the indoor personnel position by the personnel sensing detection device, and controlling the air outlet direction to be adjusted to the personnel gathering area.
S201, air humidity H 0 The temperature of the air outlet is reduced and the humidifying device is started at the same time, and the human sense detection device detects the position of indoor personnel;
s202, judging the air outlet temperature T Out of Whether or not the first preset temperature T is satisfied 1 The requirement is that the air humidity is continuously detected at the same time; specifically, the outlet air temperature satisfies a first preset temperature T 1 It is indicated that the wind temperature is equal to or higher than the preset temperature.
S203a, T is not satisfied when the air outlet temperature does not satisfy the first preset temperature requirement Out of ＜T 1 And air humidity H 0 Still less than 40%; the control device controls the air outlet direction to be adjusted to the unmanned area. Specifically, when the air outlet temperature does not meet the first preset temperature requirement and the air humidity is lower than 40%, it is indicated that the reduction of the air outlet temperature and the starting of the humidifying device are insufficient to raise the indoor air humidity to an ideal level, the air outlet temperature needs to be further reduced, and the user comfort level is seriously affected by the further reduction of the air outlet temperature, so that the control device controls the air outlet direction to be adjusted to an unmanned area, and at the moment, the air outlet temperature is continuously reduced, so that the air humidity can be improved, and the user comfort level can be prevented from being affected.
S203b, satisfying the first preset temperature requirement at the air outlet temperature, but the air humidity H 0 When the air outlet temperature is still less than 40%, the current air outlet temperature is not influenced by user comfort, but the humidifying device is still required to continuously perform humidifying operation, the control device controls the air outlet direction to be uniform movable air sweeping, and wet air generated by the humidifying device is uniformly blown into a room, so that the indoor humidity is improved.
S203c, meeting the first preset temperature requirement at the air outlet temperature, and the air humidity H 0 When the temperature of the air outlet is greater than 40%, the effect of effectively improving the indoor air humidity is achieved by reducing the temperature of the air outlet and starting the humidifying device, and at the moment, the control device controls and adjusts the air outlet direction to the personnel gathering area, so that the air conditioner can normally operate the refrigerating, sterilizing and purifying functions.
Further, after the air outlet direction is adjusted to the unmanned area, continuously detecting the air outlet temperature and the indoor humidity, wherein the indoor air humidity is more than 40%, and the duration is more than the preset time t 0 And when the air outlet direction is regulated to the personnel gathering area by the control device, the air outlet temperature is slowly raised. Preset time t 0 The arrangement of the device ensures that the indoor air humidity is stabilized within the range of more than 40%, and avoids the condition that the air humidity is lower than 40% when the air outlet temperature is slightly increased.
Further, the method for raising the temperature of the air outlet includes: the rotating speed of the indoor fan is increased, the operating frequency of the compressor is reduced, and the operating frequency of the compressor is reduced in preference to the temperature of the air outlet.
In the present embodiment, the anti-condensation control mode includes:
s301, air humidity H 0 If the temperature is higher than 85%, the anti-condensation control mode is entered, and step S302 is executed.
Condensation is caused by the fact that the air humidity is high and the temperature of the fins of the indoor heat exchanger is low, so that the air humidity needs to be reduced and/or the temperature of the fins of the indoor heat exchanger needs to be increased.
S302, adjusting the opening of the expansion valve, continuously detecting the difference between the indoor temperature and the indoor heat exchanger fin temperature, executing step S303 when the difference between the indoor temperature and the indoor heat exchanger fin temperature is larger than a preset difference, and executing step S304 when the difference between the indoor temperature and the indoor heat exchanger fin temperature is smaller than the preset difference.
The opening degree of the expansion valve is reduced to reduce the temperature of fins of the indoor heat exchanger, further improve the air outlet temperature, reduce the air humidity and play a role in preventing condensation. Preferably, the opening of the expansion valve is stepped down at a rate of 1 step down per minute.
S303, reducing the frequency of the compressor, reducing the refrigerant flow of the indoor heat exchanger, and further improving the temperature of the evaporator.
When the difference between the indoor temperature and the evaporator temperature is larger than the preset difference, the mode of adjusting the opening of the expansion valve is not obvious for reducing the evaporator temperature, the evaporator temperature is still lower, and the evaporator temperature needs to be continuously increased. The mode of raising the temperature of the evaporator comprises the steps of raising the rotating speed of the indoor fan and reducing the operating frequency of the compressor, and in order to fully prevent condensation, the temperature of the evaporator is quickly raised by the mode of reducing the operating frequency of the compressor.
S304, continuing to operate in the current mode. When the difference value between the indoor temperature and the fin temperature of the indoor heat exchanger is smaller than a preset difference value, the evaporator temperature can be effectively improved by adjusting the opening of the expansion valve, a good condensation preventing effect can be achieved by running at the current opening, meanwhile, the evaporator temperature is slowly improved, and the air humidity is gradually reduced.
And S305, continuously detecting the air outlet temperature during the period of reducing the opening of the expansion valve and reducing the frequency of the compressor, and exiting the condensation preventing mode when the air outlet temperature is higher than a second preset temperature.
In the present embodiment, the air humidity is continuously detected throughout the control adjustment process, and different control modes are performed according to the detected air humidity.
As one of the embodiments of the present invention, there is also provided a negative oxygen ion air conditioner, which can use the control method of the negative oxygen ion air conditioner, the negative oxygen ion air conditioner includes a compressor, an indoor heat exchanger, an outdoor heat exchanger, a refrigerant circulation pipeline, the refrigerant circulation pipeline is connected with the compressor, the indoor heat exchanger and the outdoor heat exchanger, and further includes a negative oxygen ion generating device, a humidifying device and a human sense detecting device. The negative oxygen ion generating device is used for generating negative oxygen ions, and is arranged in an air outlet duct of the air conditioner and used for generating the negative oxygen ions for air flow blown out by the indoor fan. The humidifying device is used for increasing the humidity of the air outlet, and the humidifying module is arranged in the air outlet air duct of the air conditioner and is used for humidifying the air flow blown out by the indoor fan.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Claims (10)
1. The negative oxygen ion air conditioner control method is characterized by comprising the following steps:
detecting indoor air humidity, and when the air humidity is within a preset range, controlling and adjusting the air outlet direction to a personnel gathering area by the control device according to the detection result of the personnel sensing detection device;
when the air humidity is lower than the lower limit value of the preset range, the air humidity is improved by reducing the air outlet temperature and/or starting the humidifying device;
and when the air humidity is higher than the upper limit value of the preset range, entering an anti-condensation control mode.
2. The negative oxygen ion air conditioner control method according to claim 1, wherein the preset range is 40% -85%.
3. The method according to claim 1, wherein the control device adjusts the air outlet temperature according to the preset temperature when the air humidity is within the preset range, and adjusts the air outlet direction to the people gathering area according to the detection result of the people sensing device when the air outlet temperature meets the first preset temperature requirement.
4. The negative oxygen ion air conditioner control method according to claim 1, wherein the means for reducing the temperature of the air outlet comprises: the rotating speed of the indoor fan is reduced, and the running frequency of the compressor is increased.
5. The method according to claim 4, wherein the control device controls the air outlet direction to be adjusted to the unmanned area when the air outlet temperature is less than the first preset temperature and the air outlet humidity is still less than 40%, and continuously detects the air outlet temperature and the air humidity.
6. The method according to claim 4 or 5, wherein when the air humidity is in a preset range, the air outlet temperature is adjusted to meet a first preset temperature requirement, and when the air outlet temperature meets the first preset temperature and the air humidity is in a humidity range, the control device controls the air outlet direction to be adjusted to the personnel gathering area.
7. The method according to claim 1, wherein the anti-condensation mode includes reducing an opening degree of an expansion valve and/or reducing a frequency of a compressor to reduce a flow rate of a refrigerant flowing through the indoor heat exchanger, increasing a temperature of the indoor heat exchanger, and thereby reducing a temperature difference between the indoor temperature and the fins of the indoor heat exchanger.
8. The method according to claim 1 or 6, wherein the anti-condensation mode is exited when the outlet air temperature is higher than a second preset temperature during the anti-condensation mode.
9. A negative oxygen ion air conditioner, characterized in that the control method of any one of claims 1 to 8 is used, the negative oxygen ion air conditioner comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger and a refrigerant circulation pipeline, wherein the refrigerant circulation pipeline is connected with the compressor, the indoor heat exchanger and the outdoor heat exchanger, and the negative oxygen ion air conditioner further comprises a negative oxygen ion generating device, a humidifying device and a human sense detecting device.
10. The negative oxygen ion air conditioner according to claim 9, wherein the negative oxygen ion generating device is used for generating negative oxygen ions, the negative oxygen ion generating device is arranged in an air outlet duct of the air conditioner and used for generating the negative oxygen ions for air flow blown out by the indoor fan, the humidifying device is used for increasing the humidity of the air outlet, and the humidifying module is arranged in the air outlet duct of the air conditioner and used for humidifying the air flow blown out by the indoor fan.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310140687.8A CN116007172B (en) | 2023-02-21 | Negative oxygen ion air conditioner and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310140687.8A CN116007172B (en) | 2023-02-21 | Negative oxygen ion air conditioner and control method |
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| CN116007172A true CN116007172A (en) | 2023-04-25 |
| CN116007172B CN116007172B (en) | 2024-06-28 |
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