CN114484717A - Control method of air purifier and air purifier with heating function - Google Patents
Control method of air purifier and air purifier with heating function Download PDFInfo
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- CN114484717A CN114484717A CN202210037628.3A CN202210037628A CN114484717A CN 114484717 A CN114484717 A CN 114484717A CN 202210037628 A CN202210037628 A CN 202210037628A CN 114484717 A CN114484717 A CN 114484717A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000000746 purification Methods 0.000 claims abstract description 46
- 238000004887 air purification Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/40—Damper positions, e.g. open or closed
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Ventilation (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method of an air purifier and the air purifier with heating function, the air purifier includes: the air purifier comprises a fan, a purification part and a heating module, wherein airflow blown out by the fan passes through the purification part, and the air purifier has a heating mode, a mixing mode and a purification mode. The control method comprises the following steps: detecting indoor temperature TPractice ofRoot of Chinese characterAccording to TPractice ofWhether the air flow flowing out of the purification part passes through the heating module is controlled by the size of the air flow, and when the air flow passes through the heating module, the temperature is controlledPractice of<When the temperature is the first set temperature, entering a heating mode; when the first set temperature is less than or equal to TPractice ofWhen the temperature is less than or equal to the second set temperature, entering a mixed mode; when T isPractice of>And when the temperature is the second set temperature, entering a purification mode. The air purifier can control whether the air flow flowing out of the purifying part passes through the heating module or not according to the indoor temperature, greatly reduces the wind resistance of the whole air purifier when the indoor temperature is higher or moderate, and improves the purifying efficiency.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a control method of an air purifier and the air purifier with a heating function.
Background
Air pollution is increasingly serious due to the diversity of industrial development and human activities, and along with the continuous improvement of living standard, the air purifier gradually becomes a household common electric appliance. Air purifier on the market generally only has purification performance at present, only uses in pollen season, haze season, and the rest time is all idle basically, has the not high condition of unit rate of utilization.
Although the air purifier who takes heating device has appeared among the prior art, place heating device in air purifier's quick-witted case the inside, the air after the purification flows out from the air exit of fan, gets into the heating device cavity, and after the temperature rose, get into air purifier's air exit, air purifier discharges at last. This kind of air purifier can only rely on artifical manual opening or close the heating function, and the air current still passes through the heating device after closing moreover, because the heating device contains thermal-insulated insulating wire winding board, heater strip isotructure, has obvious resistance to the air current, seriously influences the purification air-out effect.
Therefore, how to design an air purifier and a control method capable of balancing two modes of heating and purifying is an urgent technical problem to be solved in the industry.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the control method of the air purifier and the air purifier with the heating function.
The technical scheme adopted by the invention is that a control method of an air purifier is designed, and the air purifier comprises the following steps: the air-conditioning system comprises a fan, a purification part and a heating module, wherein airflow blown out by the fan passes through the purification part. The control method comprises the following steps: detecting indoor temperature TPractice ofAccording to TPractice ofControls whether the air flow flowing out of the purification part passes through the heating module.
Further, the air purifier has at least two working modes of a heating mode, a mixing mode and a purifying mode;
the heating mode is that all the air flow flowing out from the purification part is sent out after passing through the heating module;
the mixed mode is that one part of air flow flowing out of the purification part is sent out after passing through the heating module, and the other part of air flow is directly sent out;
the purification mode is to directly send out all the airflow flowing out from the purification part.
Further, the control method further comprises:
when T isPractice of<When the temperature is the first set temperature, entering a heating mode;
when the first set temperature is less than or equal to TPractice ofWhen the temperature is less than or equal to the second set temperature, entering a mixed mode;
when T isPractice of>When the temperature is set to be the second temperature, entering a purification mode;
wherein the first set temperature < the second set temperature.
Further, the control method further comprises: detecting indoor air quality PMPractice ofAccording to PMPractice ofThe wind speed of the fan is controlled by the size of the fan.
Furthermore, the fan is provided with a first wind speed gear, a second wind speed gear and a third wind speed gear which are arranged from small to large.
Further, the control method further comprises:
when PMPractice of<When the index is set to be the first index, a first wind speed gear is started;
when the first set index is less than or equal to PMIn factWhen the wind speed is less than or equal to a second set index, starting a second wind speed gear;
when PMPractice of>When the index is set to be the second index, a third wind speed gear is started;
wherein the first set index < the second set index.
The invention also provides an air purifier with a heating function, comprising: the device comprises a heating module, a purification part, a fan and a control module, wherein the control module executes the control method.
Further, purification portion and heating module are installed in proper order to the air outlet of fan, and heating module is equipped with hot-blast mouth, and purification portion connects the clean wind mouth, installs the guide part between heating module and the purification portion, and control module is through adjusting the guide part with the air current of controlling the purification portion outflow whether through heating module.
Furthermore, a middle air channel is arranged between the heating module and the purification part, the middle air channel is provided with a switching air port and a clean air port, the heating module is communicated with the middle air channel through the switching air port, and the switching air port and the clean air port can be opened or closed by the guide part.
Furthermore, the middle air duct and the heating module are arranged on the same side of the purification part in parallel from top to bottom, the fan is arranged on the other side of the purification part, the orientation of the air purification opening is the same as that of the hot air opening, and the air purification opening is higher than that of the hot air opening.
Compared with the prior art, the invention has the following beneficial effects:
1. the air purifier can control whether the air flow flowing out of the purifying part passes through the heating module or not according to the indoor temperature, and greatly reduces the overall wind resistance of the air purifier when the indoor temperature is higher or moderate, so that the strongest purifying effect is achieved;
2. design the guide part between purification portion and heating module, through the control to the guide part, guide air current avoids heating module under purification mode, and very big reduction windage realizes the purification efficiency maximize.
Drawings
The invention is described in detail below with reference to examples and figures, in which:
FIG. 1 is a schematic view of a heating mode of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a hybrid mode according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a purge mode according to an embodiment of the present invention;
FIG. 4 is a flow chart illustrating a control method according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in 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 principle of the present invention will be described in detail with reference to the following examples.
As shown in figure 1, the invention provides an air purifier with heating function, a fan 1, a purifying part 2, a heating module 3, a guiding part 4 and other devices are arranged in a shell of the air purifier, the fan 1 is used for blowing air flow to pass through the purifying part 2, the heating module 3 is arranged at the downstream of the purifying part 2, a clean air port 21 and a hot air port 31 are arranged on the shell of the air purifier, the purifying part 2 is connected with the clean air port 21, the heating module 3 is connected with the hot air port 31, the guiding part 4 is arranged between the purifying part 2 and the heating module 3 and is used for changing the flow direction of the air flow, the purified air flow completely flows into the heating module 2 or completely avoids the heating module 2 under the guiding of the guiding part 4, when the air flow completely flows into the heating module 2, the air purifier only has the hot air port 31 for air outlet, the air purifier is in the heating mode, when the air flow completely avoids the heating module 2, the air purifier only has the clean air port 21 for air outlet, the air purifier is in a purification mode, the wind resistance of the whole air purifier is the lowest, and the strongest purification effect is realized. Of course, in some preferred embodiments, the purified air flow can partially flow into the heating module 2 under the guidance of the guiding part 4, the other part is directly sent out from the clean air port 21, and the clean air port 21 and the hot air port 31 of the air purifier simultaneously output air, so that the air purifier is in a mixed mode, which can provide hot air, reduce wind resistance and improve the use comfort of the air purifier.
As shown in fig. 1 to 3, in some possible embodiments of the present invention, the structure of the interior of the air cleaner is distributed as follows, an intermediate air duct 5 is provided between a heating module 3 and a purifying part 2, a fan 1, the purifying part 2 and the heating module 3 are sequentially arranged along a horizontal direction, the intermediate air duct and the heating module are arranged in parallel up and down on the same side of the purifying part, the fan 1 is arranged on the other side of the purifying part 2, a switching air port 6 is provided at the connection between the intermediate air duct 5 and the heating module 3, a clean air port 21 is provided on one side of the intermediate air duct 5 away from the purifying part 2, a hot air port 31 is provided on one side of the heating module 3 away from the purifying part 2, the clean air port 21 is higher than the hot air port 31, the clean air port 21 and the hot air port 31 are oriented in the same direction, and the clean air port 21 and the hot air port 31 are arranged in parallel up and down on one side of the air cleaner in appearance, hot air is discharged from the lower part of the air cleaner, cold wind goes out the air from air purifier's upper portion, and indoor cold air descends, hot-air rising afterwards, effectively promotes the air convection, and indoor temperature is more even. The guide 4 is installed in the intermediate duct 5 to open or close the through-air opening 6 and the clean air opening 21. It should be noted that when the switching tuyere 6 is opened, the air flow can enter the heating module 3 from the intermediate air duct 5, and when the switching tuyere 6 is closed, the air flow can enter the intermediate air duct 5 but cannot enter the heating module 3.
As shown in fig. 1, when the air purifier is in a heating mode, the guide part 4 opens the switching air inlet 6 and closes the clean air inlet 21, and the whole air flow flowing out of the purifying part 2 is sent out from the hot air inlet 31 through the intermediate air duct 5 and the heating module 3;
as shown in fig. 2, when the air cleaner is in the mixed mode, the guide portion 4 opens the switching air port 6 and partially opens the clean air port 21, a part of the air flow flowing out of the cleaning portion 2 is sent out from the hot air port 31 through the intermediate air duct 5 and the heating module 3, and the other part of the air flow is directly sent out from the clean air port 21 through the intermediate air duct 5;
as shown in fig. 3, when the air cleaner is in the cleaning mode, the guide portion 4 closes the transfer air opening 6 and completely opens the clean air opening 21, and the entire air flow flowing out of the cleaning portion 2 is directly sent out from the clean air opening 21 through the intermediate air duct 5.
It should be understood that the guide part 4 may be a plate having a movable position or a valve having an adjustable opening degree, and it suffices to open or close the transfer tuyere 6 and the clean tuyere 21, and the present invention is not particularly limited to a specific structure of the guide part 4.
The air purifier is provided with a temperature sensor and a control module, the guide part 4 and the temperature sensor are both connected with the control module, the control module selects the working mode of the air purifier according to the indoor temperature, and then controls the guide part 4 to perform corresponding adjustment, and the control method executed by the control module is as follows.
As shown in fig. 4, the control method includes:
detecting indoor temperature TPractice of；
According to TPractice ofWhether the air flow flowing out of the purifying part 2 passes through the heating module 3 is controlled by the size of the air flow;
when T isPractice of<When the temperature is the first set temperature, the indoor temperature is lower, the air is dry, the humidification requirement is high, the heating mode is started, and all the air flow flowing out of the purification part 2 is sent out after passing through the heating module 3, so that the indoor temperature is rapidly increased;
when the first set temperature is less than or equal to TPractice ofWhen the temperature is not higher than the second set temperature, the indoor temperature is moderate at the moment, the humidification requirement is not high, the air enters a mixed mode, one part of air flow flowing out of the purification part 2 is sent out after passing through the heating module 3, the other part of air flow is directly sent out, and the higher purification capacity can be ensured while humidification is carried out;
when T isPractice of>And when the second set temperature is higher, the indoor temperature is higher, the air is moist, humidification is not needed, the air purification device enters a purification mode, and all air flow flowing out of the purification part 2 is directly sent out, so that the purification performance of the whole air purification device is maximized.
It should be understood that the first set temperature < the second set temperature, and in some embodiments, the first set temperature is 10 ℃, the second set temperature is 20 ℃, the indoor temperature is lower when the indoor temperature is lower than 10 ℃, the indoor temperature is higher when the indoor temperature is higher than 20 ℃, and the indoor temperature is moderate when the indoor temperature is between 10 ℃ and 20 ℃.
Further, the air purifier fan 1 has an adjustable wind speed, and has a plurality of wind speed gears, in some possible embodiments of the invention, the wind speeds are respectively a first wind speed gear, a second wind speed gear and a third wind speed gear in a small-to-large arrangement. In order to ensure that the air speed of the air purifier is adaptive to the indoor environment, the air purifier is provided with a PM2.5 sensor, the control module selects the air speed gear of the fan according to the indoor air quality after selecting the working mode, and the control logic is as follows.
As shown in fig. 4, the control method further includes:
detecting PM in indoor air qualityPractice of；
According to PMPractice ofThe wind speed of the fan is controlled according to the size of the fan;
when PMPractice of<When the first set index is used, the indoor air quality is excellent, the purification requirement is low, the first air speed gear is started, the air inlet and outlet quantity of the air purifier is small, and the indoor air purification speed is low;
when the first set index is less than or equal to PMPractice ofWhen the indoor air quality is less than or equal to a second set index, the indoor air quality is good, the purification requirement is general, the second air speed gear is started, the air inlet and outlet quantity of the air purifier is increased, and the indoor air purification speed is high;
when PMPractice of>When the index is set for the second time, the indoor air quality is poor at the moment, the purification requirement is high, the third air speed gear is started, the air inlet and outlet quantity of the air purifier reaches the upper limit value, and the indoor air purification speed reaches the maximum.
It should be appreciated that the first set index < the second set index, and in some embodiments the first set index is 36, the second set index is 115, the air quality is excellent when the indoor air quality is below 36, the air quality is poor when the indoor air quality is above 115, and the air quality is moderate when the indoor air quality is between 36 and 115. In practical application, various wind gears and set indexes can be designed, and high-precision wind speed control is realized.
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 (10)
1. A control method of an air purifier, the air purifier comprising: the air purification device comprises a fan, a purification part and a heating module, wherein airflow blown out by the fan passes through the purification part, and the control method is characterized by comprising the following steps: detecting indoor temperature TPractice ofAccording to said TPractice ofControls whether the air flow flowing out of the purification part passes through the heating module.
2. The control method of claim 1, wherein the air purifier has at least two operation modes of a heating mode, a mixing mode, and a purifying mode;
the heating mode is to send out all the airflow flowing out of the purifying part after passing through a heating module;
the mixed mode is that one part of the air flow flowing out of the purification part is sent out after passing through the heating module, and the other part of the air flow is directly sent out;
the purification mode is to directly send out all the airflow flowing out from the purification part.
3. The control method according to claim 2, characterized by further comprising:
when said T isPractice of<When the temperature is the first set temperature, entering the heating mode;
and/or when the first set temperature is less than or equal to the TPractice ofWhen the temperature is less than or equal to a second set temperature, entering the mixed mode;
and/or when said T isPractice of>When the temperature is set to be the second temperature, entering the purification mode;
wherein the first set temperature < the second set temperature.
4. The control method according to any one of claims 1 to 3, characterized by further comprising: detecting indoor air quality PMPractice ofAccording to said PMPractice ofThe wind speed of the fan is controlled by the size of the fan.
5. The control method according to claim 4, wherein the fan has a first wind speed gear, a second wind speed gear and a third wind speed gear arranged from small to large.
6. The control method according to claim 5, characterized by further comprising:
when the PM isPractice of<When the index is set to be the first index, the first wind speed gear is started;
when the first set index is less than or equal to the PMPractice ofWhen the wind speed is less than or equal to a second set index, starting the second wind speed gear;
when the PM isPractice of>When the index is set to be the second index, the third wind speed gear is started;
wherein the first set index < the second set index.
7. Take heating function's air purifier includes: heating module, purification portion, fan and control module, characterized in that, the control module carries out the control method of any one of claims 1 to 6.
8. The air purifier as claimed in claim 7, wherein a purifying part and a heating module are sequentially installed at the air outlet of the blower, the heating module is provided with a hot air port, the purifying part is connected with the hot air port, a guide part is installed between the heating module and the purifying part, and the control module controls whether the air flow flowing out of the purifying part passes through the heating module by adjusting the guide part.
9. The air purifier as claimed in claim 8, wherein an intermediate air duct is provided between the heating module and the purifying part, the intermediate air duct has a switching air inlet and a clean air inlet, the heating module is communicated with the intermediate air duct through the switching air inlet, and the guiding part can open or close the switching air inlet and the clean air inlet.
10. The air purifier as claimed in claim 9, wherein the intermediate air duct and the heating module are disposed in parallel on the same side of the purifying portion, the blower is disposed on the other side of the purifying portion, the direction of the clean air opening is the same as that of the hot air opening, and the clean air opening is higher than the hot air opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037628.3A CN114484717B (en) | 2022-01-13 | 2022-01-13 | Control method of air purifier and air purifier with heating function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037628.3A CN114484717B (en) | 2022-01-13 | 2022-01-13 | Control method of air purifier and air purifier with heating function |
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| CN114484717A true CN114484717A (en) | 2022-05-13 |
| CN114484717B CN114484717B (en) | 2023-03-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203132000U (en) * | 2013-03-22 | 2013-08-14 | 广州宏晓电子科技有限公司 | Air purification device |
| CN204593759U (en) * | 2015-02-16 | 2015-08-26 | 青岛欣微恩净化技术有限公司 | A kind of air purifier |
| CN207584891U (en) * | 2017-10-18 | 2018-07-06 | 珠海格力电器股份有限公司 | Air purifier |
| CN214891712U (en) * | 2021-05-10 | 2021-11-26 | 深圳市联创科技集团有限公司 | Purifier with heating function |
| CN215412088U (en) * | 2021-07-12 | 2022-01-04 | 北京钴得暖业能源技术发展有限公司 | Warmer with air purification function |
-
2022
- 2022-01-13 CN CN202210037628.3A patent/CN114484717B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203132000U (en) * | 2013-03-22 | 2013-08-14 | 广州宏晓电子科技有限公司 | Air purification device |
| CN204593759U (en) * | 2015-02-16 | 2015-08-26 | 青岛欣微恩净化技术有限公司 | A kind of air purifier |
| CN207584891U (en) * | 2017-10-18 | 2018-07-06 | 珠海格力电器股份有限公司 | Air purifier |
| CN214891712U (en) * | 2021-05-10 | 2021-11-26 | 深圳市联创科技集团有限公司 | Purifier with heating function |
| CN215412088U (en) * | 2021-07-12 | 2022-01-04 | 北京钴得暖业能源技术发展有限公司 | Warmer with air purification function |
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| Publication number | Publication date |
|---|---|
| CN114484717B (en) | 2023-03-24 |
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