CN111853986B - Air purifier capable of detecting concentration of carbon dioxide and control method thereof - Google Patents
Air purifier capable of detecting concentration of carbon dioxide and control method thereof Download PDFInfo
- Publication number
- CN111853986B CN111853986B CN202010689227.7A CN202010689227A CN111853986B CN 111853986 B CN111853986 B CN 111853986B CN 202010689227 A CN202010689227 A CN 202010689227A CN 111853986 B CN111853986 B CN 111853986B
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- carbon dioxide
- concentration
- air
- air purifier
- control
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 95
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 32
- 239000011941 photocatalyst Substances 0.000 claims description 20
- 230000004308 accommodation Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001954 sterilising effect Effects 0.000 description 8
- 238000004659 sterilization and disinfection Methods 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an air purifier capable of detecting carbon dioxide concentration and a control method thereof, wherein the air purifier comprises: the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air duct, an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the air duct; the fan is arranged in the air duct; the carbon dioxide sensor is arranged at the air inlet and used for detecting the concentration of carbon dioxide in return air; the purification assembly is arranged in the air channel; and the control device is arranged in the shell and is respectively electrically connected with the carbon dioxide sensor, the fan and the purification assembly. According to the air purifier, the carbon dioxide sensor is arranged to detect the concentration of the carbon dioxide in the air, so that the opening or closing of the fan and the purification assembly can be controlled according to the concentration of the carbon dioxide in the air, and the effect of saving electric energy is achieved.
Description
Technical Field
The invention relates to the technical field of purifiers, in particular to an air purifier capable of detecting carbon dioxide concentration and a control method thereof.
Background
The photocatalyst is a photocatalyst which generates free hydroxyl and active oxygen with extremely strong oxidizing capability under the irradiation of ultraviolet light, and can oxidize and decompose toxic and harmful gases, pollutants, odor, bacteria and the like into carbon dioxide and water, so that the photocatalyst technology is widely applied to sterilization and odor purification devices.
The portable rechargeable small-size sterilization smell purifier is convenient to move and carry, can be used in environments such as refrigerators, automobiles, wardrobes, refrigerators, refrigerated trucks and the like, has wide application scenes, and is popular with many users. However, the existing portable rechargeable sterilization and odor purification devices do not have the function of identifying the sterilization and odor purification process, and if one portable rechargeable sterilization and odor purification device is provided, the sterilization and odor purification process can be identified and the operation can be automatically controlled, so that convenience can be brought to users.
Disclosure of Invention
The invention discloses an air purifier capable of detecting carbon dioxide concentration and a control method thereof, and solves the problem that the existing air purifier cannot identify the purification process, so that the power consumption is high.
According to an aspect of the present invention, there is disclosed an air purifier including: the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air duct, an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the air duct; the fan is arranged in the air duct; the carbon dioxide sensor is arranged at the air inlet and used for detecting the concentration of carbon dioxide in return air; the purification assembly is arranged in the air channel; and the control device is arranged in the shell and is respectively electrically connected with the carbon dioxide sensor, the fan and the purification assembly.
Further, the purification assembly comprises: the photocatalyst filter screen is arranged in the air channel; the ultraviolet lamp is arranged in the air duct and electrically connected with the control device.
Further, the photocatalyst filter screen is two-layer, two-layer be provided with accommodation space between the photocatalyst filter screen, the ultraviolet lamp sets up in the accommodation space.
Further, the shell is provided with a battery compartment, and a rechargeable battery is arranged in the battery compartment.
Further, the air purifier further includes: the display device is arranged on the shell and electrically connected with the control device, and the display device is used for displaying the purification parameter information.
Further, the air purifier further includes: the control button is installed on the shell, electrically connected with the control device and used for controlling the control mode of the control device.
According to a second aspect of the present invention, there is disclosed a control method for the above air cleaner, characterized by comprising the steps of: step S10: acquiring a control instruction and operating purification work; step S20: acquiring the concentration of carbon dioxide in first preset time, and judging whether the concentration of carbon dioxide in the first preset time exceeds a preset standard value; if yes, carrying out early warning prompt of carbon dioxide concentration; if not, go to step S30; step S30: calculating the change trend of the carbon dioxide in second preset time, and judging whether the concentration of the carbon dioxide tends to a stable value according to the change trend of the carbon dioxide; if yes, stopping the purification work; if not, then proceed to step S10.
Further, the step S30 includes the following steps: calculating an average value a1 of the carbon dioxide concentration in a first time period and an average value a2 of the carbon dioxide concentration in a second time period after the first time period; judging whether the difference value between a1 and a2 is smaller than a threshold value; if so, judging that the concentration of the carbon dioxide tends to a stable value; if not, judging that the concentration of the carbon dioxide does not tend to a stable value.
Further, the step S30 includes the following steps: calculating to obtain a fitted curve of the carbon dioxide concentration in a second preset time; calculating whether the fitting slope of the fitting curve tends to 0; if so, judging that the concentration of the carbon dioxide tends to a stable value; if not, judging that the concentration of the carbon dioxide does not tend to a stable value.
Further, before step S10, the method further includes the following steps: step S01: acquiring a control instruction, and entering a common mode or an intelligent mode according to the control instruction; if the intelligent mode is entered, the step S10 is executed; if the normal mode is entered, the following steps are executed: acquiring the concentration of carbon dioxide in first preset time, and judging whether the concentration of carbon dioxide in the first preset time exceeds a preset standard value; if yes, carrying out early warning prompt of carbon dioxide concentration; if not, closing the carbon dioxide concentration early warning prompt.
According to the air purifier, the carbon dioxide sensor is arranged, so that the concentration of carbon dioxide in the air can be detected through the carbon dioxide sensor, the opening or closing of the fan and the purification assembly can be controlled according to the concentration of carbon dioxide in the air, and the effect of saving electric energy is achieved.
Drawings
FIG. 1 is a schematic structural view of an air purifier according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the interior of an air cleaner of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a control device of an embodiment of the present invention;
FIG. 4 is a flow chart of the operation of an air purifier of an embodiment of the present invention;
FIG. 5 is a flow chart of the operation of an air purifier according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of the carbon dioxide concentration variation coordinates of an embodiment of the present invention;
legend: 10. a housing; 11. an air duct; 12. an air inlet; 13. an air outlet; 20. A fan; 30. a carbon dioxide sensor; 40. a purification assembly; 41. a photocatalyst filter screen; 42. an ultraviolet lamp; 50. a control device; 60. a charging port; 70. a display device; 71. a display screen; 72. an alarm lamp; 80. a control button; 90. and (4) charging the battery.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the details of the description.
As shown in fig. 1 to 3, the present invention discloses an air purifier, which includes a housing 10, a blower 20, a carbon dioxide sensor 30, a purifying assembly 40 and a control device 50, wherein the housing 10 has an air duct 11, an air inlet 12 and an air outlet 13, and the air inlet 12 and the air outlet 13 are communicated with the air duct 11; the fan 20 is arranged in the air duct 11; the carbon dioxide sensor 30 is arranged at the position of the air inlet 12 and used for detecting the concentration of carbon dioxide in return air; the purification assembly 40 is arranged in the air duct 11; the control device 50 is disposed in the housing 10, and the control device 50 is electrically connected to the carbon dioxide sensor 30, the blower 20, and the purification assembly 40, respectively. According to the air purifier, the carbon dioxide sensor is arranged, so that the concentration of carbon dioxide in the air can be detected through the carbon dioxide sensor, the opening or closing of the fan 20 and the purification assembly 40 can be controlled according to the concentration of carbon dioxide in the air, and the effect of saving electric energy is achieved.
In the above embodiment, the purifying assembly 40 includes the photocatalyst filter 41 and the ultraviolet lamp 42, the photocatalyst filter 41 is disposed in the air duct 11; the ultraviolet lamp 42 is disposed in the air duct 11, and the ultraviolet lamp 42 is electrically connected to the control device 50. The air purifier of the invention is provided with the photocatalyst filter screen 41 and the ultraviolet lamp 42 in the air duct 11, when purifying, the photocatalyst is irradiated by ultraviolet light, and the photocatalyst can generate free hydroxyl and active oxygen with extremely strong oxidizing capability, thereby being capable of oxidizing and decomposing toxic and harmful gases, pollutants, odor, bacteria and the like into carbon dioxide and water, and achieving the purpose of purifying air.
In the above embodiment, the photo-catalyst filter 41 has two layers, an accommodating space is disposed between the two layers of photo-catalyst filter 41, and the uv lamp 42 is disposed in the accommodating space. The air purifier of the invention is provided with two layers of photocatalyst filter screens 41, and the ultraviolet lamp 42 is arranged between the two layers of photocatalyst filter screens 41, thereby fully utilizing the irradiation range of the ultraviolet lamp 42 and improving the purification effect.
In the above embodiment, the housing 10 has a battery compartment in which the rechargeable battery 90 is disposed, and the surface of the housing 10 is provided with the charging port 60 for charging the rechargeable battery 90. The air purifier of the invention can conveniently carry the purifying device through the charging battery 90 and the charging port 60, thereby improving the application range of the purifying device.
In the above embodiment, the air purifier further includes the display device 70 and the control button 80, the display device 70 is disposed on the housing 10, the display device 70 is electrically connected to the control device 50, the display device 70 includes the display screen 71 and the alarm lamp 72, and the display device 70 is used to display the purification parameter information, such as: the display screen 71 can display the concentration of carbon dioxide in the air, and if the concentration exceeds the standard, the alarm lamp 72 can be turned on to play a role in alarming and reminding. A control button 80 is mounted on the housing 10, and the control button 80 is electrically connected to the control device 50 for controlling the control mode of the control device 50. According to the air purifier, the display device 70 and the control button 80 are arranged, so that the concentration of carbon dioxide in air measured by the carbon dioxide sensor 30 can be displayed on the display screen 71, specific numerical values can be observed conveniently, and the alarm lamp 72 can give an alarm for reminding when the concentration of the carbon dioxide exceeds the standard, so that a user can know the current air state more visually.
According to a second aspect of the present invention, there is disclosed a control method for the above air cleaner, as shown in fig. 4, comprising the steps of:
step S10: acquiring a control instruction and operating purification work;
step S20: acquiring the concentration of carbon dioxide in first preset time, and judging whether the concentration of carbon dioxide in the first preset time exceeds a preset standard value; if yes, carrying out early warning prompt of carbon dioxide concentration; if not, go to step S30;
step S30: calculating the change trend of the carbon dioxide in second preset time, and judging whether the concentration of the carbon dioxide tends to a stable value according to the change trend of the carbon dioxide; if yes, stopping the purification work; if not, then proceed to step S10.
In the embodiment shown in fig. 5, step S30 includes the following steps:
calculating an average value a1 of the carbon dioxide concentration in a first time period and an average value a2 of the carbon dioxide concentration in a second time period after the first time period;
judging whether the difference value between a1 and a2 is smaller than a threshold value; if so, judging that the concentration of the carbon dioxide tends to a stable value; if not, judging that the concentration of the carbon dioxide does not tend to a stable value.
In the present embodiment, step S30 includes the following steps:
calculating to obtain a fitted curve of the carbon dioxide concentration in a second preset time;
calculating whether the fitting slope of the fitting curve tends to 0;
if so, judging that the concentration of the carbon dioxide tends to a stable value; if not, judging that the concentration of the carbon dioxide does not tend to a stable value.
In this embodiment, the following steps are further included before step S10:
step S01: acquiring a control instruction, and entering a common mode or an intelligent mode according to the control instruction;
if the intelligent mode is entered, the step S10 is executed;
if the normal mode is entered, the following steps are executed: acquiring the concentration of carbon dioxide in first preset time, and judging whether the concentration of carbon dioxide in the first preset time exceeds a preset standard value; if yes, carrying out early warning prompt of carbon dioxide concentration; if not, closing the carbon dioxide concentration early warning prompt.
As shown in fig. 6, the sterilization odor eliminator can be provided with a plurality of detection cycles, the time of each cycle is the same, when the concentration of carbon dioxide approaches a stable value, the concentration of the end detection of the cycle minus the concentration of the beginning detection of the cycle approaches zero, and whether the sterilization is finished or not is judged by judging whether the change of the concentration of the detection approaches zero or not. Wherein D is a carbon dioxide concentration change curve, X is time, Y is a carbon dioxide concentration value, t is a time period, and b is a concentration change value in the time period;
the control method of the air purifier judges whether the concentration of the carbon dioxide exceeds the standard or not by detecting the concentration of the carbon dioxide in the air: when exceeding standard, alarming and prompting; and when the standard is not exceeded, continuously detecting the variation trend of the concentration of the carbon dioxide. Because the contents of toxic and harmful gases, pollutants, odor, bacteria and the like are generally stable and limited in a small-space sealed environment, after a period of purification, the organic and inorganic substances are gradually decomposed by the purifier, and therefore, if the contents tend to be stable, the purifier can stop working after purifying the surrounding air; if the air is not stable, the pollutants still exist in the air, the air needs to be purified continuously, and the concentration of the carbon dioxide in the air is detected continuously until the toxic and harmful gases, the pollutants, the odor, the bacteria and the like in the air are purified. By the control method, the purposes of identifying the purification process and automatically controlling the work can be achieved, excessive power consumption of the air purifier can be avoided, and the effects of saving power and energy are achieved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (10)
1. A control method for an air purifier, comprising the steps of:
step S10: acquiring a control instruction and operating purification work;
step S20: acquiring the concentration of carbon dioxide in first preset time, and judging whether the concentration of carbon dioxide in the first preset time exceeds a preset standard value; if yes, carrying out early warning prompt of carbon dioxide concentration; if not, go to step S30;
step S30: calculating the change trend of the carbon dioxide in second preset time, and judging whether the concentration of the carbon dioxide tends to a stable value according to the change trend of the carbon dioxide; if yes, stopping the purification work; if not, then proceed to step S10.
2. The control method according to claim 1, wherein the step S30 includes the steps of:
calculating an average value a1 of the carbon dioxide concentration in a first time period and an average value a2 of the carbon dioxide concentration in a second time period after the first time period;
judging whether the difference value between a1 and a2 is smaller than a threshold value; if so, judging that the concentration of the carbon dioxide tends to a stable value; if not, judging that the concentration of the carbon dioxide does not tend to a stable value.
3. The control method according to claim 1, wherein the step S30 includes the steps of:
calculating to obtain a fitted curve of the carbon dioxide concentration in a second preset time;
calculating whether the fitting slope of the fitting curve tends to 0;
if so, judging that the concentration of the carbon dioxide tends to a stable value; if not, judging that the concentration of the carbon dioxide does not tend to a stable value.
4. The control method according to claim 1, characterized by further comprising, before step S10, the steps of:
step S01: acquiring a control instruction, and entering a common mode or an intelligent mode according to the control instruction;
if the intelligent mode is entered, the step S10 is executed;
if the normal mode is entered, the following steps are executed: acquiring the concentration of carbon dioxide in first preset time, and judging whether the concentration of carbon dioxide in the first preset time exceeds a preset standard value; if yes, carrying out early warning prompt of carbon dioxide concentration; if not, closing the carbon dioxide concentration early warning prompt.
5. An air purifier employing the control method of any one of claims 1 to 4, comprising:
the air conditioner comprises a shell (10), wherein the shell (10) is provided with an air duct (11), an air inlet (12) and an air outlet (13), and the air inlet (12) and the air outlet (13) are communicated with the air duct (11);
the fan (20), the said fan (20) is set up in the said wind channel (11);
the carbon dioxide sensor (30) is arranged at the position of the air inlet (12) and used for detecting the concentration of carbon dioxide in return air;
a purification assembly (40), the purification assembly (40) being disposed within the air duct (11);
the control device (50) is arranged in the shell (10), and the control device (50) is electrically connected with the carbon dioxide sensor (30), the fan (20) and the purification assembly (40) respectively.
6. The air purifier according to claim 5, wherein the purifying assembly (40) comprises:
the photocatalyst filter screen (41), the photocatalyst filter screen (41) is arranged in the air duct (11);
the ultraviolet lamp (42), ultraviolet lamp (42) set up in wind channel (11), ultraviolet lamp (42) with controlling means (50) electricity is connected.
7. The air purifier of claim 6,
photocatalyst filter screen (41) are two-layer, two-layer be provided with accommodation space between photocatalyst filter screen (41), ultraviolet lamp (42) set up in the accommodation space.
8. The air purifier of claim 7,
the shell (10) is provided with a battery cabin, and a rechargeable battery (90) is arranged in the battery cabin.
9. The air purifier of claim 5, further comprising:
the display device (70), the display device (70) is arranged on the shell (10), the display device (70) is electrically connected with the control device (50), and the display device (70) is used for displaying purification parameter information.
10. The air purifier of claim 5, further comprising:
a control button (80), the control button (80) being mounted on the housing (10), the control button (80) being electrically connected with the control device (50) for controlling the control mode of the control device (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689227.7A CN111853986B (en) | 2020-07-15 | 2020-07-15 | Air purifier capable of detecting concentration of carbon dioxide and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689227.7A CN111853986B (en) | 2020-07-15 | 2020-07-15 | Air purifier capable of detecting concentration of carbon dioxide and control method thereof |
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| Publication Number | Publication Date |
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| CN111853986A CN111853986A (en) | 2020-10-30 |
| CN111853986B true CN111853986B (en) | 2021-06-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203550118U (en) * | 2013-11-12 | 2014-04-16 | 李瑞兴 | Intelligent ventilation and purification air conditioner |
| CN107303799A (en) * | 2017-06-21 | 2017-10-31 | 合肥同佑电子科技有限公司 | A kind of air purifier for automobile |
| CN207455829U (en) * | 2017-08-21 | 2018-06-05 | 泰安清风源环保工程有限公司 | A kind of micro-positive pressure air purification fresh air blower |
| CN208431876U (en) * | 2018-07-03 | 2019-01-25 | 新乡市华创高技术服务有限公司 | A kind of Domestic environment-protection type air purifier |
| WO2019189964A1 (en) * | 2018-03-29 | 2019-10-03 | (주)신영에어텍 | Air purification system |
-
2020
- 2020-07-15 CN CN202010689227.7A patent/CN111853986B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203550118U (en) * | 2013-11-12 | 2014-04-16 | 李瑞兴 | Intelligent ventilation and purification air conditioner |
| CN107303799A (en) * | 2017-06-21 | 2017-10-31 | 合肥同佑电子科技有限公司 | A kind of air purifier for automobile |
| CN207455829U (en) * | 2017-08-21 | 2018-06-05 | 泰安清风源环保工程有限公司 | A kind of micro-positive pressure air purification fresh air blower |
| WO2019189964A1 (en) * | 2018-03-29 | 2019-10-03 | (주)신영에어텍 | Air purification system |
| CN208431876U (en) * | 2018-07-03 | 2019-01-25 | 新乡市华创高技术服务有限公司 | A kind of Domestic environment-protection type air purifier |
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| CN111853986A (en) | 2020-10-30 |
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