CN109237668A - One kind is based on monolithic processor controlled air detection and purification device and its method - Google Patents
One kind is based on monolithic processor controlled air detection and purification device and its method Download PDFInfo
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- CN109237668A CN109237668A CN201811267995.2A CN201811267995A CN109237668A CN 109237668 A CN109237668 A CN 109237668A CN 201811267995 A CN201811267995 A CN 201811267995A CN 109237668 A CN109237668 A CN 109237668A
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- air
- detection
- purification device
- control system
- processor controlled
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000000746 purification Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 27
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
-
- 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
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
-
- 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
- F24F11/56—Remote control
-
- 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
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- 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
- F24F13/20—Casings or covers
-
- 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
- F24F13/20—Casings or covers
- F24F2013/207—Casings or covers with control knobs; Mounting controlling members or control units therein
-
- 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
- F24F2110/64—Airborne particle content
-
- 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)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
本发明公开了一种基于单片机控制的空气检测与净化装置及其方法，它解决了现有技术中检测成本较高、检测精度不高的问题，具有制作简单、成本较低、能够自动检测粉尘浓度，且具有自动报警的效果；其技术方案为：包括壳体、粉尘浓度检测系统和控制系统，壳体内部安装空气过滤器和风机，壳体表面设有用于空气进入及排出的梳状进风口和梳状出风口；所述粉尘浓度检测系统包括安装于空气过滤器上的PM2.5传感器、与壳体固定的报警模块和显示模块；空气在风机作用下经梳状进风口进入壳体内部，PM2.5传感器检测空气质量并将信号传输至控制系统，控制系统控制显示模块显示数据；粉尘浓度超过预设值时控制系统控制报警模块报警。
The invention discloses an air detection and purification device based on single chip control and a method thereof, which solves the problems of high detection cost and low detection accuracy in the prior art, and has the advantages of simple manufacture, low cost, and automatic detection of dust. concentration, and has the effect of automatic alarm; the technical scheme is: including a shell, a dust concentration detection system and a control system, an air filter and a fan are installed inside the shell, and a comb-shaped inlet for air entry and discharge is provided on the surface of the shell. The air outlet and the comb-shaped air outlet; the dust concentration detection system includes the PM2.5 sensor installed on the air filter, the alarm module and the display module fixed with the casing; the air enters the casing through the comb-shaped air inlet under the action of the fan Inside, the PM2.5 sensor detects the air quality and transmits the signal to the control system. The control system controls the display module to display the data; when the dust concentration exceeds the preset value, the control system controls the alarm module to give an alarm.
Description
Technical field
The present invention relates to environmental protection tests technical fields, more particularly to one kind is based on monolithic processor controlled air detection and purification
Devices and methods therefor.
Background technique
With the rapid development of science and technology, people have gradually gone up fairly comfortable life excessively, at the same time, have also inevitably brought
Some unexpected negative effects, especially haze problem.It is well known that PM2.5 particle is the main component for constituting haze.Cause
This, the concentration of PM2.5 has become focus concerned by people.
In recent years, haze problem annoyings us, has greatly affected people's lives and quality.Therefore, domestic external-open
The research much about PM2.5 has been opened up, the concentration value of detection PM2.5 is primarily used to.The U.S. is to propose PM2.5 earliest in the world
Atomosphere quality standard and the country for starting sample detecting work.Year ends 2010, the U.S. add PM2.5 with European Union Main Developed Countries
Enter the quality standard to air, and a series of limitation has been carried out to it, air quality has obtained effective improvement.
In existing dust detection research, usually dust detection system circuit is improved, seldom from detection device
Entirety is set out.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides one kind based on monolithic processor controlled air detection and purification
Device, has that production is simple, cost is relatively low, can automatically detect dust concentration, and has the effect of automatic alarm.
The present invention adopts the following technical solutions:
One kind being based on monolithic processor controlled air detection and purification device, including shell, dust concentration detection system and control
System processed, enclosure interior install air filter and blower, and surface of shell is equipped with the pectination air inlet for entering for air and being discharged
Mouth and pectination air outlet；
The dust concentration detection system includes that the PM2.5 sensor being installed on air filter and shell are fixed
Alarm module and display module；
Air enters enclosure interior through pectination air inlet under fan action, and PM2.5 sensor detects air quality and will
Signal is transmitted to control system, and control system controls display module and shows data；Control system when dust concentration is more than preset value
Control alarm module alarm.
Further, the shell forms enclosed construction, the pectination by front panel, rear panel, top plate and bottom plate and side plate
Air inlet is located at rear panel upper position, and the pectination air outlet is located at top board surface.
Further, the installation site of the blower is corresponding with pectination air inlet.
Further, the front panel is equipped with switch button and Fan Regulation button, alarm module and display module installation
In on front panel.
Further, the switch button connects control system by conducting wire, and the Fan Regulation button is connected by conducting wire
It gives a dinner for a visitor from afar machine.
Further, the alarm module is buzzer, and the display module is LCD liquid crystal display screen.
Further, the control system is the making sheet of STM32 micro-control, and the peripheral circuit of STM32 micro-control making sheet is connected with
A/D converter；
The STM32 micro-control making sheet connection switch power supply, Switching Power Supply are connected with the alternating current generator of installation inside housings.
Further, the shell uses metal or plastic material.
Further, shaft power >=0.15KW of the blower, rotation speed of fan >=1500r/min.
Detection method based on monolithic processor controlled air detection and purification device, comprising the following steps:
Preset dust concentration maximum value；
Button is started switch, air is pumped into enclosure interior from pectination air inlet by blower, and PM2.5 sensor detects in air
Dust concentration, and control system is transmitted a signal to, LCD liquid crystal display screen shows data；When PM2.5 sensor detects dust
When concentration is greater than preset maximum value, buzzer automatic alarm.
Compared with prior art, the beneficial effects of the present invention are:
(1) inventive shell is made of front panel, rear panel, top plate and bottom plate, side plate, structure and production is simple, cost compared with
It is low；
(2) inventive shell has pectination air inlet and pectination air outlet, and pectination air outlet position is entered the wind higher than pectination
Mouthful, foul smell can be guaranteed from pectination air inlet even into fresh air after filtering is arranged from pectination air outlet homogeneous soft
Out；
(3) present invention is able to detect dust in air concentration, and when dust concentration is higher than setting value, can report automatically
It is alert.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is hardware system block diagram of the invention；
Fig. 3 is PM2.5 sensor Acquisition Circuit figure of the invention；
Fig. 4 is switching power circuit figure of the invention；
Fig. 5 is AC motor control circuit figure of the invention；
Fig. 6 is LCD display electric operation control circuit figure of the invention；
Fig. 7 is warning circuit figure of the invention；
Wherein, 1- shell, 101- front panel, 102- rear panel, 103- top plate, 104-LCD liquid crystal display, 105- switch
Button, 106- blower；2- air filter, 3- buzzer, 4- pectination air inlet.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, the deficiency that testing cost is higher, detection accuracy is not high exists in the prior art, is
Solution technical problem as above, present applicant proposes one kind based on monolithic processor controlled air detection and purification device and its side
Method.
In a kind of typical embodiment of the application, as shown in Fig. 1-Fig. 7, provide a kind of based on monolithic processor controlled
Air detection and purification device, including shell 1, air filter 2, blower 106, dust concentration detection system and control system.
The shell 1 forms enclosed construction by front panel 101, rear panel 102, top plate 103, bottom plate and side plate, such as Fig. 1 institute
Show (in order to show housing interior structure, the front panel 101 shown in Fig. 1 is its part).
Blower 106 is installed on inside shell 1, is fixed with bottom plate；The rear panel 102 is arranged corresponding to 106 position of blower
Pectination air outlet is arranged in pectination air inlet 4,103 surface of top plate；The air inlet of blower 106 is corresponding with pectination air inlet 4, blower
106 air outlet is corresponding with pectination air outlet.
The setting position of pectination air outlet is higher than pectination air inlet 4, and the foul smell for being conducive to heavier mass enters in shell 1
Portion, and air after filtering is discharged from pectination air outlet.
In some embodiments, it is in that uniform divergent shape is distributed that the pectination air inlet 4, pectination air outlet, which include several,
Strip-shaped hole, as shown in Figure 1.
In other embodiments, the pectination air inlet 4, pectination air outlet include bar shaped evenly distributed side by side
Hole.
By the way that pectination air inlet 4, pectination air outlet is arranged, enable air to even into inside shell 1, and go out from pectination
Air port blows out relatively soft wind.
The air filter 2 is installed on 1 inside of shell and rear panel 102 is fixed, and 106 air inlet of blower is the air
The filtered air port of filter 2.
Control system uses the making sheet of STM32 micro-control, and the peripheral circuit of STM32 micro-control making sheet is connected with A/D converter.
STM32 micro-control making sheet connection switch power supply, switching power circuit are as shown in Figure 4；Switching Power Supply connects and is used to mention
For the alternating current generator of electric energy, the alternating current generator is installed on enclosure interior；The control circuit of alternating current generator is as shown in Figure 5.
In some embodiments, the alternating current generator is installed on 101 inside of front panel.
In some embodiments, the STM32 micro-control making sheet is the minimum system for being embedded in STM32F103C8T6 chip
Development board.
Dust concentration detection system includes PM2.5 sensor, alarm module and display module, wherein PM2.5 sensor peace
Loaded on air filter 2, it is particularly suitable for the detection for PM2.5 in air.
In some embodiments, the display module is LCD liquid crystal display screen 104, and control circuit is as shown in Figure 6；
LCD liquid crystal display screen 104 is installed on 101 surface upper position of front panel；Alarm module is buzzer 3, and buzzer 3 is located at LCD
104 top of liquid crystal display；Warning circuit is as shown in Figure 7.
In at least one embodiment, LCD liquid crystal display screen 104 selects 2.4 inches.
The buzzer 3, LCD liquid crystal display screen 104, blower 106 connect the making sheet of STM32 micro-control by conducting wire, pass through
Write-in program control buzzer 3, LCD liquid crystal display screen 104, blower 106 act in STM32 micro-control making sheet.
101 surface of front panel is also equipped with Fan Regulation button and multiple switch button 105, and Fan Regulation button is logical
It crosses conducting wire to be connected with blower 106, for controlling 106 air draught of blower, cold air blast velocity.
The settable different stalls of Fan Regulation button.
In at least one embodiment, there are two the switch buttons 105, one of switch button 105 is for controlling
106 start and stop of blower processed, another switch button 105 are connected with the Switching Power Supply of STM32 micro-control making sheet by conducting wire, are used for
The start and stop of STM32 micro-control making sheet work.
In some embodiments, the making sheet of STM32 micro-control controls start and stop using infrared remote control mode.
The shell 1 uses metal or plastic material, improves the portability of device entirety, production is simple, cost is relatively low.
In some embodiments, shaft power >=0.15KW of the blower 106,106 revolving speeds of blower >=1500r/min.
In several embodiments it is contemplated that the portability of user, by shell 1 be sized to 500mm × 300mm ×
150mm, air filter 2 are sized to 380mm × 230mm × 30mm.
Detection method based on monolithic processor controlled air detection and purification device, comprising the following steps:
STM32 micro-control making sheet write-in program, presets dust concentration maximum value；
Button 105 is started switch, air is pumped into 1 inside of shell from pectination air inlet 4 and passes through air filtration by blower 106
Device 2 filters；
PM2.5 sensor detects dust in air concentration, and transmits a signal to STM32 micro-control making sheet, LCD liquid crystal display
104 display dust concentration data of screen；
When PM2.5 sensor detects that dust concentration is greater than preset maximum value, 3 automatic alarm of buzzer.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. one kind is based on monolithic processor controlled air detection and purification device, which is characterized in that detected including shell, dust concentration
System and control system, enclosure interior install air filter and blower, and surface of shell, which is equipped with, to be entered and be discharged for air
Pectination air inlet and pectination air outlet；
The dust concentration detection system includes the PM2.5 sensor being installed on air filter, the alarm fixed with shell
Module and display module；
Air enters enclosure interior through pectination air inlet under fan action, and PM2.5 sensor detects air quality and by signal
It is transmitted to control system, control system controls display module and shows data；Control system controls when dust concentration is more than preset value
Alarm module alarm.
2. according to claim 1 a kind of based on monolithic processor controlled air detection and purification device, which is characterized in that institute
It states shell and enclosed construction is formed by front panel, rear panel, top plate and bottom plate and side plate, the pectination air inlet is leaned on positioned at rear panel
Lower position, the pectination air outlet are located at top board surface.
3. according to claim 2 a kind of based on monolithic processor controlled air detection and purification device, which is characterized in that institute
The installation site for stating blower is corresponding with pectination air inlet.
4. according to claim 2 a kind of based on monolithic processor controlled air detection and purification device, which is characterized in that institute
Front panel is stated equipped with switch button and Fan Regulation button, alarm module and display module are installed on front panel.
5. according to claim 4 a kind of based on monolithic processor controlled air detection and purification device, which is characterized in that institute
It states switch button and control system is connected by conducting wire, the Fan Regulation button connects blower by conducting wire.
6. according to claim 1 or 4 a kind of based on monolithic processor controlled air detection and purification device, feature exists
In the alarm module is buzzer, and the display module is LCD liquid crystal display screen.
7. according to claim 1 a kind of based on monolithic processor controlled air detection and purification device, which is characterized in that institute
Stating control system is the making sheet of STM32 micro-control, and the peripheral circuit of STM32 micro-control making sheet is connected with A/D converter；
The STM32 micro-control making sheet connection switch power supply, Switching Power Supply are connected with the alternating current generator of installation inside housings.
8. according to claim 1 a kind of based on monolithic processor controlled air detection and purification device, which is characterized in that institute
Shell is stated using metal or plastic material.
9. according to claim 1 a kind of based on monolithic processor controlled air detection and purification device, which is characterized in that institute
State shaft power >=0.15KW of blower, rotation speed of fan >=1500r/min.
10. -9 any detection method based on monolithic processor controlled air detection and purification device according to claim 1,
Air is pumped into enclosure interior, PM2.5 sensing from pectination air inlet it is characterized in that, presetting dust concentration maximum value blower
Device detects dust in air concentration, and transmits a signal to control system, and LCD liquid crystal display screen shows data；When PM2.5 is sensed
When device detects that dust concentration is greater than preset maximum value, buzzer automatic alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267995.2A CN109237668A (en) | 2018-10-29 | 2018-10-29 | One kind is based on monolithic processor controlled air detection and purification device and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267995.2A CN109237668A (en) | 2018-10-29 | 2018-10-29 | One kind is based on monolithic processor controlled air detection and purification device and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109237668A true CN109237668A (en) | 2019-01-18 |
Family
ID=65078919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811267995.2A Pending CN109237668A (en) | 2018-10-29 | 2018-10-29 | One kind is based on monolithic processor controlled air detection and purification device and its method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204240487U (en) * | 2014-10-12 | 2015-04-01 | 天津市西海环境工程设计有限公司 | A kind of Novel intelligent multifunctional air purifying humidifier |
| CN204963002U (en) * | 2015-07-31 | 2016-01-13 | 深圳市鼎信科技有限公司 | Air purifier |
| CN205402937U (en) * | 2016-03-02 | 2016-07-27 | 王仁宇 | Remote control's environmental conditioning system |
| CN106440258A (en) * | 2016-11-16 | 2017-02-22 | 河北工程大学 | PM2.5 detecting and controlling system and method |
| CN106582143A (en) * | 2017-01-05 | 2017-04-26 | 吉林建筑大学 | Air purifier with functions of automatic detection, automatic alarm and automatic control on on-off states |
| CN207907354U (en) * | 2018-01-18 | 2018-09-25 | 吉林大学 | A kind of new indoor intelligent air purifier |
-
2018
- 2018-10-29 CN CN201811267995.2A patent/CN109237668A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204240487U (en) * | 2014-10-12 | 2015-04-01 | 天津市西海环境工程设计有限公司 | A kind of Novel intelligent multifunctional air purifying humidifier |
| CN204963002U (en) * | 2015-07-31 | 2016-01-13 | 深圳市鼎信科技有限公司 | Air purifier |
| CN205402937U (en) * | 2016-03-02 | 2016-07-27 | 王仁宇 | Remote control's environmental conditioning system |
| CN106440258A (en) * | 2016-11-16 | 2017-02-22 | 河北工程大学 | PM2.5 detecting and controlling system and method |
| CN106582143A (en) * | 2017-01-05 | 2017-04-26 | 吉林建筑大学 | Air purifier with functions of automatic detection, automatic alarm and automatic control on on-off states |
| CN207907354U (en) * | 2018-01-18 | 2018-09-25 | 吉林大学 | A kind of new indoor intelligent air purifier |
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Application publication date: 20190118 |