CN109682024A - A kind of air purifier based on infrared heat sensor array - Google Patents
A kind of air purifier based on infrared heat sensor array Download PDFInfo
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- CN109682024A CN109682024A CN201910056097.0A CN201910056097A CN109682024A CN 109682024 A CN109682024 A CN 109682024A CN 201910056097 A CN201910056097 A CN 201910056097A CN 109682024 A CN109682024 A CN 109682024A
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- air
- controller
- sensor array
- infrared heat
- air purifier
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- 239000000428 dust Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 20
- 150000001450 anions Chemical class 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 15
- 230000036760 body temperature Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 238000012512 characterization method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000010801 machine learning Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003860 sleep quality Effects 0.000 description 2
- XUSNPFGLKGCWGN-UHFFFAOYSA-N 3-[4-(3-aminopropyl)piperazin-1-yl]propan-1-amine Chemical compound NCCCN1CCN(CCCN)CC1 XUSNPFGLKGCWGN-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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
- F24F11/50—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
- F24F11/58—Remote control using Internet communication
-
- 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
- F24F11/66—Sleep 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
-
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F24F2110/20—Humidity
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/14—Activity of occupants
Abstract
The invention discloses a kind of air purifiers based on infrared heat sensor array, include: controller and the infrared heat sensor array being separately connected respectively with controller, humidity sensor, gas concentration lwevel sensor, dust particles sensor, air humidification unit, anion generator unit, air-heating unit and dust removing units.The present invention is by providing a kind of air purifier based on infrared heat sensor array, it whether there is user in real-time monitoring working region, the automatic switch of air purifier is controlled, and according to the change of human activity amount, the adjustment of real-time perfoming air purifier module different units working condition.
Description
Technical field
The present invention relates to air cleaning facility technical fields, are specifically related to a kind of based on infrared heat sensor array
Air purifier.
Background technique
Existing air purifier largely needs manually to regulate and control working condition, is unable to satisfy people and adjusts to automation
The requirement of whole working condition.And the temperature sensor used is mostly the sensor for measuring environment temperature, however in real life
In, under identical temperature environment, the activity difference of human body will cause sendible temperature and be floated, and send out the perception of environment temperature
Changing, such as: under same environment temperature, the people read in the people of movement and before being sitting in desk always will be to environment temperature
Degree has different impressions.Therefore the simple working condition for adjusting air purifier according to environment temperature can not actually obtain
Good effect.
A kind of air cleaning based on machine learning disclosed in application for a patent for invention application No. is 201810811912.5
Device and control method.The technical solution of the application for a patent for invention is: including data acquisition module, identification module, matching module, language
Adopted processing module, control module, cleaning module, schema server.The application for a patent for invention can be by image or speech recognition not
Same user, and optimal operational condition is provided by the method for machine learning for different users.The application for a patent for invention with
Family needs artificially to be configured when first used, and later artificially logs in and close using being also required to each time, and there is no completely
Realize intelligent switch.And the application for a patent for invention matches different Working moulds to different users using the method for machine learning
Formula is not fully applicable in a practical situation, and demand of the identical user in different activities to environment temperature is different
's.But it since algorithm design is more complex, can not timely respond to well.
Summary of the invention
The technical problem to be solved in the present invention is that in a practical situation cannot root for air purifier in the prior art
The defect that demand according to user in different activities to environment temperature is adaptively adjusted provides a kind of based on infrared
The air purifier of thermal sensor array.
A kind of air purifier based on infrared heat sensor array provided by the present invention includes:
Controller；
Infrared heat sensor array connects controller, for measuring human body temperature, to detect the change of human activity amount
Change；Wherein, temperature is higher, and characterization activity is bigger；
Humidity sensor connects controller, for detecting the humidity of air；
Gas concentration lwevel sensor connects and is controlled by controller, for detecting the carbon dioxide concentration in air；
Dust particles sensor connects and is controlled by controller, for detecting the content of dust in air particle；
Air humidification unit connects and is controlled by controller, for humidifying under the control of the controller to air；
Anion generator unit connects and is controlled by controller, for increasing under the control of the controller into air
Anion；
Air-heating unit connects and is controlled by controller, for heating under the control of the controller to air；
Dust removing units connect and are controlled by controller, for being dusted under the control of the controller to air, reduce empty
The content of dust particles in gas；
After air purifier starts work, the controller automatically controls empty according to the air humidity that humidity sensor detects
Gas humidifying unit is in air humidity in the range of one default hair, and detects powder in air in dust particles sensor
When the content of dirt particle is higher than preset value, the automatic dust removing units that start reduce the content of dust in air particle；The air adds
Hot cell and the anion generator unit the infrared heat sensor array detection to human body temperature be less than it is pre-
If after being activated when range, persistently working, and the human body that the controller is arrived in the infrared heat sensor array detection
When temperature is more than preset range, control air-heating unit reduces the degree heated to air and/or control anion hair
Raw device unit increases the generation speed of the anion in air.
Further, in the air purifier of the invention based on infrared heat sensor array, the controller also connects
A touching display screen is connect, for showing the detection parameters and operating status of air purifier, and carries out air purifier
The control of operating status.
Further, in the air purifier of the invention based on infrared heat sensor array, the controller also connects
Connect a wireless communication unit, for being communicatively coupled with mobile phone, with shown on mobile phone air purifier detection parameters and
Operating status receives control of the mobile phone to the operating status of air purifier.
Further, in the air purifier of the invention based on infrared heat sensor array, the wireless communication is single
Member is wifi module or bluetooth module.
Further, in the air purifier of the invention based on infrared heat sensor array, the controller also root
Detection data according to infrared heat sensor array judges whether someone, if not having, controls the air purifier and is in suspend mode
Mode.
Further, in the air purifier of the invention based on infrared heat sensor array, the controller is
The STM32F103ZET6 single-chip microcontroller of STM32 series.
It further, further include power module in the air purifier of the invention based on infrared heat sensor array,
For after the air purifier is by power supply line grafting electric main, electric main to be converted to the air purifier work
Power supply needed for making.
Further, in the air purifier of the invention based on infrared heat sensor array, the infrared heat sensing
Device array has 32*24 pixel, model far infrared thermal sensor array MLX90640.
Further, in the air purifier of the invention based on infrared heat sensor array, MLX90640 draws using 4
Foot TO39 encapsulation, 4 pin point ratios are as follows: SCL, SDA, VCC, GND；Wherein SCL and SDA is respectively clock line and data line, VCC
For 3.3V power supply line, GND is ground wire, and wherein SCL pin is connected with the PB6 of controller STM32F103ZET6, SDA pin and control
The PB7 of device STM32F103ZET6 processed is connected.
Further, in the air purifier of the invention based on infrared heat sensor array, the controller also connects
It is connected to an audio-frequency module, for judging that human body starts according to the human body temperature of infrared heat sensor array detection in the controller
Into when sleep, preset music is played under the control of the controller.
The present invention is based especially on far infrared heat by providing a kind of air purifier based on infrared heat sensor array
Sensor array whether there is user in real-time monitoring working region, control the automatic switch of air purifier, and according to human body
The change of activity, the adjustment of real-time perfoming air purifier module different units working condition.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is system overall framework figure of the invention.
Fig. 2 is the working principle diagram of infrared heat sensor array.
Fig. 3 is the connection figure of infrared heat sensor array and controller.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
Referring to FIG. 1, a kind of air purifier A based on infrared heat sensor array 11 provided by the present invention includes:
Controller 10；
Infrared heat sensor array 11 connects controller 10, for measuring human body temperature, to detect human activity amount
Variation；Wherein, temperature is higher, and characterization activity is bigger；
Humidity sensor 12 connects controller 10, for detecting the humidity of air；
Gas concentration lwevel sensor 13 connects and is controlled by controller 10, for detecting the carbon dioxide concentration in air；
Dust particles sensor 14 connects and is controlled by controller 10, for detecting the content of dust in air particle；
Air humidification unit 15 connects and is controlled by controller 10, for carrying out under the control of controller 10 to air
Humidification；
Anion generator unit 17 connects and is controlled by controller 10, under the control of controller 10 to air
Middle increase anion；
Air-heating unit 16 connects and is controlled by controller 10, for carrying out under the control of controller 10 to air
Heating；
Dust removing units 18 connect and are controlled by controller 10, for being dusted under the control of controller 10 to air,
Reduce the content of dust in air particle；
After air purifier A starts work, the controller 10 is automatic according to the air humidity that humidity sensor 12 detects
Control air humidification unit 15 is in air humidity in the range of one default hair, and detects in dust particles sensor 14
When being higher than preset value to the content of dust in air particle, the automatic dust removing units 18 that start reduce containing for dust in air particle
Amount；The air-heating unit 16 and the anion generator unit 17 are detected in the infrared heat sensor array 11
Human body temperature be activated when being less than preset range after, persistently work, and the controller 10 is passed in the infrared heat
When the human body temperature that sensor array 11 detects is more than preset range, air is heated in the control reduction of air-heating unit 16
Degree and/or control anion generator unit 17 increase air in anion generation speed.
In other embodiments of the invention, controller 10 is also respectively connected with gas concentration lwevel sensor 13, touch
Display screen 19, wireless communication form unit 20 and audio-frequency module 21.Gas concentration lwevel sensor 13 is for detecting in air
Gas concentration lwevel is that controller 10 controls air purifier A and extraneous progress air exchange in excessive concentration.It is touch aobvious
Display screen 19 is used to show the detection parameters and operating status of air purifier A, and carry out the operating status of air purifier A
Control.Wireless communication form unit 20 with mobile phone B for being communicatively coupled, to show the detection of air purifier A in mobile phone B
Parameter and operating status, receive control of the mobile phone B to the operating status of air purifier A, and wireless communication form unit 20 is wifi
Module or bluetooth module.Audio-frequency module 21 is used for the human body detected in the controller 10 according to infrared heat sensor array 11
When temperature judges that human body initially enters sleep, preset music is played under the control of the controller 10.
Preferably, controller 10 judges whether someone also according to the detection data of infrared heat sensor array 11, if not having,
It then controls the air purifier A and is in suspend mode.
10 module of controller is using low cost, the STM32F103ZET6 monolithic of low-power consumption and efficient STM32 series
Machine, operating voltage 3.3V have brilliant calculated performance, the response of advanced interruption system and communication interface abundant, can be right
The data collecting module collected to data quickly calculated, and the work shape of real-time control air-purifying module each unit
State.
Infrared heat sensor array 11 using the infrared heat sensor array 11MLX90640 of Melexis company come into
With the presence or absence of the real-time data acquisition of the monitoring of user and human activity amount in row working region.The working principle of MLX90640 is such as
Shown in Fig. 2.It is a kind of device of 32*64 pixel, and operating temperature range is -40 DEG C to 85 DEG C, measurable object temperature model
Enclose is -40 DEG C to 300 DEG C.The infrared sensor keeps high level of accuracy in entire measurement range, it is possible to provide ± 1 DEG C of typical case
Target object temperature precision.It also has outstanding noiseproof feature.Different from microbolometer substitute, sensor is not needed
It is frequent to recalibrate, so that it is guaranteed that continuous monitoring, reduction system cost.As shown in figure 3, the controller 10 and MLX90640
It is connected by I2C interface.MLX90640 includes 768 FIR pixels, integrates the environmentally sensitive of the environment temperature for measuring chip
The power sensor and required optical element of the operating voltage (VDD) of device, measurement chip.All infrared (IR) sensors it is defeated
Out, environment temperature (Ta) and operating voltage (VDD) are maintained in internal RAM, can be accessed by I2C interface.
Infrared heat sensor array 11 is connect with controller 10 as shown in figure 3, MLX90640 uses 4 pin TO39 of compact
Encapsulation is integrated with necessary optical element, 4 pin point ratios are as follows: SCL, SDA, VCC, GND.When wherein SCL and SDA are respectively
Clock line and data line.VCC is 3.3V power supply line, and GND is ground wire.Wherein SCL pin is with controller 10STM32F103ZET6's
PB6 is connected, and SDA pin is connected with the PB7 of controller 10STM32F103ZET6.
Humidity sensor 12 uses environmental monitoring MH- using HF3223 humidity sensor 12, gas concentration lwevel sensor
Z14A carbon dioxide gas sensor, dust particles sensor 14 use GP2Y1010AUOF dust sensor.
Touching display screen 19, display content include current date, outdoor temperature, air quality and have sleep pattern choosing
, user can carry out human-computer interaction by touch display screen and air purifier A, make the feelings that user is bad in radio communication quality
Also the working condition of clarifier can be inquired and be adjusted under condition.
Audio-frequency module 21 is stored in SD card based on sleeping music player, mp3 file designed by controller 10, by
Controller 10 reads data and is sent to the decoding of VS1003 audio decoder module, is exported by loudspeaker.
It, can when user needs the working condition to air purifier A to inquire or operating mode selects
Directly to be remotely accessed and be controlled by the APP on mobile terminal device.
As an example, user A gives the air purifier A based on infrared heat sensor array 11 to power on for the first time
Afterwards, each module of air purifier A enters operating mode under the control of controller 10.
The body temp of 11 automatic collection user A of infrared heat sensor array in data acquisition module and environment temperature
Collected data are simultaneously real-time transmitted to controller 10 by data；Humidity sensor 12 in data acquisition module is to ambient enviroment
The data of humidity be acquired and send controller 10 to；Gas concentration lwevel sensor in data acquisition module will acquire
To environment in CO2The data transmission of concentration is to controller 10；Dust particles sensor 14 in data acquisition module will be adopted
The data transmission of dust particle concentration in the air collected is to controller 10.
Controller 10 carries out calculation processing, root after receiving each sensor of data acquisition module and sending back the data come
Different control instructions is sent to the different unit of air-purifying module according to calculated result.
If controller 10 judges that the data calculated result that humidity sensor 12 acquires exceeds setting range, controller 10 is given
Air humidification unit 15 in air-purifying module sends the instruction started to work；If controller 10 judges that humidity sensor 12 is adopted
Within the set range, then controller 10 stops the data calculated result of collection to the transmission of air humidification unit 15 in air-purifying module
The instruction only to work.
If controller 10 judges the data calculated result of gas concentration lwevel sensor acquisition for CO2Concentration is beyond setting model
It encloses, then controller 10 sends the instruction started to work to the anion generator unit 17 in air-purifying module；If controller
10 judge the data calculated result of gas concentration lwevel sensor acquisition within the set range, then controller 10 gives air cleaning mould
Anion generator unit 17 in block sends the instruction to stop working.
If controller 10 judges that the data calculated result that dust particles sensor 14 acquires exceeds setting range, controller
10 send the instruction started to work to the dust removing units 18 in air-purifying module；If controller 10 judges dust particles sensor
Within the set range, then controller 10 stops the data calculated result of 14 acquisitions to the transmission of dust removing units 18 in air-purifying module
The instruction only to work.
Controller 10 judges sky according to the data of 11 collected human body temperature and environment temperature of infrared heat sensor array
Gas heating unit 16 is work in air supply pattern or air-supply+heating mode.When environment temperature and human body temperature are in air cleaning
When reaching setting range under the work of module, controller 10 will according to infrared heat sensor array 11 in real time collected data into
Row calculates, and judges the activity of user A.When the activity of user A is larger, controller 10 passes through control air-heating unit 16
With anion generator unit 17, reduces environment temperature and increase the anion ingredient in air.When the activity of user A is smaller
When, controller 10 controls the carry out service intermittent of each unit, reaches energy-efficient purpose.
When user A leaves, controller 10 judges workspace by the data that infrared heat sensor array 11 acquires in real time
No user in domain then sends the instruction to stop working to module each other than infrared heat sensor array 11.
At night, air purifier A can be moved to bedroom by traveling wheel by user A, and pass through touch display screen or mobile phone
BAPP realizes the human-computer interaction with air purifier A.User not only can understand current date, outdoor temp by touch display screen
Degree, air quality or selection sleep pattern can also pass through mobile phone B APP to current date, outdoor in the case where there is WIFI signal
Temperature, air quality are inquired, and the long-range air evolution device that controls enters sleep pattern.
When user A selects sleep pattern, controller 10 carries out calculation processing, control in addition to the data to data acquisition module
Outside the work of air-purifying module processed.Also the data further progress acquired to infrared heat sensor array 11 is analyzed, judgement
Whether need to control the broadcasting that audio-frequency module 21 carries out sleeping music.
The judgement range chosen under the monitoring of human activity amount and general work mode under sleep pattern is different.General work
Under mode, the data real-time reception and processing that controller 10 acquires infrared heat sensor array 11, and sent out according to calculated result
Send control instruction；Under sleep pattern, 10 every 10 minutes data that the infrared heat sensor array 11 received is acquired of controller
Single treatment is carried out, and the range of calculated result standard actions amount well corresponding with the sleep state of setting is compared.
After calculation processing, if judging, User Activity amount beyond setting range, judges that user's sleep quality is bad, and controller 10 gives sound
Frequency module 21 sends the instruction started to work, and audio-frequency module 21 starts to play sleeping music；If controller 10 judges User Activity
Amount then judges that user's sleep quality is good within setting range, and controller 10 sends the finger to stop working to audio-frequency module 21
It enables.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of air purifier based on infrared heat sensor array, characterized by comprising:
Controller；
Infrared heat sensor array connects controller, for measuring human body temperature, to detect the variation of human activity amount；
Wherein, temperature is higher, and characterization activity is bigger；
Humidity sensor connects controller, for detecting the humidity of air；
Gas concentration lwevel sensor connects and is controlled by controller, for detecting the carbon dioxide concentration in air；
Dust particles sensor connects and is controlled by controller, for detecting the content of dust in air particle；
Air humidification unit connects and is controlled by controller, for humidifying under the control of the controller to air；
Anion generator unit connects and is controlled by controller, under the control of the controller into air increase bear from
Son；
Air-heating unit connects and is controlled by controller, for heating under the control of the controller to air；
Dust removing units connect and are controlled by controller, for being dusted under the control of the controller to air, reduce in air
The content of dust particles；
After air purifier starts work, the air humidity that the controller is detected according to humidity sensor automatically controls air and adds
Wet unit is in air humidity in the range of one default hair, and detects dust in air in dust particles sensor
When the content of grain is higher than preset value, the automatic dust removing units that start reduce the content of dust in air particle；The air heating is single
The first and described anion generator unit is in the not up to default model of human body temperature that the infrared heat sensor array detection arrives
After being activated when enclosing, persistently work, and the human body temperature that the controller is arrived in the infrared heat sensor array detection
When more than preset range, control air-heating unit reduces the degree heated to air and/or control anion generator
Unit increases the generation speed of the anion in air.
2. the air purifier according to claim 1 based on infrared heat sensor array, which is characterized in that the control
Device is also connected with a touching display screen, and for showing the detection parameters and operating status of air purifier, and to carry out air net
Change the control of the operating status of device.
3. the air purifier according to claim 1 based on infrared heat sensor array, which is characterized in that the control
Device is also connected with a wireless communication unit, for being communicatively coupled with mobile phone, to show the detection of air purifier on mobile phone
Parameter and operating status receive control of the mobile phone to the operating status of air purifier.
4. the air purifier according to claim 1 based on infrared heat sensor array, which is characterized in that described wireless
Communication unit is wifi module or bluetooth module.
5. the air purifier according to claim 1 based on infrared heat sensor array, which is characterized in that the control
Device judges whether someone also according to the detection data of infrared heat sensor array, if not having, controls at the air purifier
In suspend mode.
6. the air purifier according to claim 1 based on infrared heat sensor array, which is characterized in that the control
Device is the STM32F103ZET6 single-chip microcontroller of STM32 series.
7. the air purifier according to claim 1 based on infrared heat sensor array, which is characterized in that further include electricity
Source module, for after the air purifier is by power supply line grafting electric main, electric main to be converted to the air
Power supply needed for clarifier work.
8. the air purifier according to claim 6 based on infrared heat sensor array, which is characterized in that described infrared
Thermal sensor array has 32*24 pixel, model far infrared thermal sensor array MLX90640.
9. the air purifier according to claim 8 based on infrared heat sensor array, which is characterized in that MLX90640
It is encapsulated using 4 pin TO39,4 pin point ratios are as follows: SCL, SDA, VCC, GND；Wherein SCL and SDA is respectively clock line sum number
According to line, VCC is 3.3V power supply line, and GND is ground wire, and wherein SCL pin is connected with the PB6 of controller STM32F103ZET6, SDA
Pin is connected with the PB7 of controller STM32F103ZET6.
10. the air purifier according to claim 1 based on infrared heat sensor array, which is characterized in that the control
Device processed is also connected with an audio-frequency module, for being judged in the controller according to the human body temperature of infrared heat sensor array detection
When human body initially enters sleep, preset music is played under the control of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910056097.0A CN109682024A (en) | 2019-01-21 | 2019-01-21 | A kind of air purifier based on infrared heat sensor array |
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