CN208588678U - A kind of portable high-accuracy air quality environment measuring instrument - Google Patents
A kind of portable high-accuracy air quality environment measuring instrument Download PDFInfo
- Publication number
- CN208588678U CN208588678U CN201820497171.3U CN201820497171U CN208588678U CN 208588678 U CN208588678 U CN 208588678U CN 201820497171 U CN201820497171 U CN 201820497171U CN 208588678 U CN208588678 U CN 208588678U
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- China
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- sensor
- air quality
- circuit board
- power supply
- carbon dioxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a kind of portable high-accuracy air quality environment measuring instrument, including shell, hardware and software.Shell upper surface portion installs liquid crystal display, and surrounding is provided with air vent, and power supply hole is arranged in side.Hardware components include laser dust particulate matter sensors, carbon dioxide sensor, electrochemistry formaldehyde sensor, liquid crystal display, single chip microcomputer circuit board；Software section is stored in the microcontroller in single chip microcomputer circuit board, it is main to complete to read laser dust particulate matter sensors, the detection data of carbon dioxide sensor, electrochemistry formaldehyde sensor, the aerial content of the pollutants such as dust particle, carbon dioxide, formaldehyde and AQI index, air quality grade are shown on liquid crystal display after data processing.The utility model has the beneficial effects that proposing, a kind of lower cost, detection accuracy be high, portable small air quality environment detecting instrument.The utility model structure is simple, small in size, little power consumption, possesses independent battery power supply, ensure that detection is high-precision while having easy to carry, transportable excellent characteristic.
Description
Technical field
The present invention relates to a kind of high-precision air quality environment measuring instrument, especially a kind of indoor and outdoor that is applied to is detected
The miniature instrument easy to remove and carrying of the pollutant loads such as dust in air particulate matter, carbon dioxide, formaldehyde.
Background technique
With the continuous improvement of national economic development and living standards of the people, people to the air quality of indoor and outdoor especially
The degree of concern for influencing the pollutants such as physically and mentally healthy dust particle, carbon dioxide and formaldehyde is increasingly enhanced.Really, city at present
There are many detecting instruments of detection dust particle, carbon dioxide and formaldehyde to sell on field, but some detecting instruments are excessively special
Industry causes price high；Some detecting instruments are cheap, but detection data and specialized instrument are to ratio error mistake
Greatly；Some detecting instrument outer dimensions are bigger than normal, not readily portable；Some detecting instruments are incorporated into certain household electric appliances, can not
Independent utility；Some detecting instruments can only connect socket power supply, power without independent current source, be not easy to mobile and carry.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art and propose a kind of lower cost,
Detection accuracy is high, possesses independent current source power supply, portable small air quality environment detecting instrument.
The technical solution adopted by the present invention to solve the technical problems is:
It is a kind of to be convenient for applied to pollutant loads such as indoor and outdoor detection dust in air particulate matter, carbon dioxide and formaldehyde
The miniature instrument of carrying, it is characterised in that: including shell, hardware and software.Wherein shell, upper surface portion installation liquid crystal display, four
It is provided with air vent week, power supply hole is arranged in side；Wherein hardware components, including laser dust particulate matter sensors, dioxy
Change carbon sensor, electrochemistry formaldehyde sensor, liquid crystal display, single chip microcomputer circuit board；Wherein software section is stored in single chip circuit
It is main to complete to read laser dust particulate matter sensors, carbon dioxide sensor, electrochemistry formaldehyde sensing in the microcontroller of plate
The detection data of device, after data processing by the aerial content of the pollutants such as dust particle, carbon dioxide, formaldehyde and
AQI index, air quality grade are shown on liquid crystal display.
Hardware components-sensor of portable small air quality environment detecting instrument includes three kinds (three), respectively
Detect the aerial contents of pollutants such as dust particle, carbon dioxide and formaldehyde.The Data Detection of dust particle content
Using profession based on Mie scattering principle laser dust particulate matter sensors (such as: climb rise PMS1003 laser pm2.5 pass
Sensor), the Data Detection of carbon dioxide content use carbon dioxide sensor (example of the technical grade based on non-dispersive infrared principle
Such as: bright to contain MH-Z19 carbon dioxide sensor), the Data Detection of content of formaldehyde is using the professional first based on electrochemical principle
Aldehyde sensor (such as: bright Sheng ZE08 formaldehyde sensor), ensure that detection accuracy.Three kinds of sensors pass through serial ports and are connected to list
On piece mounted circuit board and with onboard micro-controller communications.
Particulate in air particle diameter distribution and content data detection are believed by laser particle object sensor according to scattering light distribution
Number and lens optical signal be calculated, laser particle object sensor use earlier 1900s Mie and Debye establish classical Michaelis
(Mie) (detailed schematic can refer to document to scattering theory: Beijing laser measurement principle of Liu Zichao, Zhao Yunhui liquid mist and particle
Yuhang Publishing House, 1988).
Hardware components-liquid crystal display of portable small-sized air quality environment measuring instrument, liquid crystal display are connected to by serial ports
In single chip microcomputer circuit board and with onboard micro-controller communications.
Hardware components-single chip microcomputer circuit board of portable small air quality environment detecting instrument, single chip microcomputer circuit board
With microcontroller, and there are multiple serial ports for connection sensor and liquid crystal display.It is gathered around in single chip microcomputer circuit board there are two types of power supply interface,
A kind of power supply hole and external electric supply socket power supply passing through shell by USB connecting line；Another kind is battery power supply interface, and interior
The independently-powered rechargeable lithium battery connection in portion, can be used for lithium battery charging, in order to mobile and carrying.
The software section of portable small air quality environment detecting instrument, software store and are solidificated in single chip circuit
In the microcontroller of plate, it can send and instruct and read laser dust particulate matter sensors, carbon dioxide sensor, electrochemistry formaldehyde
The data that sensor etc. is transmitted from serial ports obtain dust particle pm1.0 content, pm2.5 content, pm10 and contain after data processing
Amount, carbon dioxide content, content of formaldehyde and diameter are 1.0um, 2.5um, 5um, 10um dust particle in 0.1 lift-off gas
Quantity (a), and above-mentioned data are shown on liquid crystal display by serial communication.Program software in microcontroller is further
AQI index is calculated by dust particle pm1.0 content, pm2.5 content, pm10 content data, in conjunction with China, U.S. AQI
Air quality grade division methods obtain respective air credit rating by AQI index, and by AQI index and air quality grade
Etc. data be shown on liquid crystal display by serial communication.
People's Republic of China's state environment protecting standard " ambient air quality index that on January 1st, 2016 implements
(AQI) technical stipulation " (HJ633-2012), wherein the calculation methods such as AQI index and AQI grade classification are explained in detail.Beauty
State's AQI rank division method according to be that Environmental Protection in America department issues " Technical Assistance in May, 2016
Document for the Reporting of Daily Air Quality-the Air Quality Index (AQI) "
Air quality planning and standard.
The shell of portable small air quality environment detecting instrument is made into box sample using acrylic or engineering plastics
Formula, single chip microcomputer circuit board, lithium battery and sensor be mounted on it is internal in the following, side setting power supply hole can circumscribed USB connecting line with
The connection of single chip microcomputer circuit board power pack.
In conclusion the present invention has the advantages that
A kind of small air quality environment detecting instrument, professional laser dust particulate matter sensors, technical grade titanium dioxide
Carbon sensor and electrochemistry formaldehyde sensor ensure that the high-precision of detection data, store in the microcontroller of single chip microcomputer circuit board
Program software read sensor serial data processing after be shown on liquid crystal display, AQI index and air quality grade facilitate
People are assisted to perceive current air mass superiority and inferiority.This apparatus structure is simple, small in size simultaneously, little power consumption, possesses independent battery confession
Electricity ensure that detection is high-precision while having easy to carry, transportable excellent characteristic.
Other advantages, target and feature of the invention will be illustrated in the following description, and to a certain degree
On, based on will be apparent to those skilled in the art to investigating hereafter, or can be from of the invention
It is instructed in practice.Target and other advantages of the invention can be special by institute in claims, specification and its attached drawing
The structure do not pointed out is achieved and obtained.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
The detailed description of one step, in which:
Fig. 1 is system principle schematic diagram of the invention；
Fig. 2 is structural schematic diagram of the invention.
In figure: 2-1 liquid crystal display；2-2 shell；2-3 laser dust particulate matter sensors, carbon dioxide sensor and electrochemistry
Formaldehyde sensor；2-4USB power supply power supply interface；2-5 single chip microcomputer circuit board；2-6 battery power supply interface；2-7 rechargeable type lithium electricity
Pond.
Specific embodiment
A kind of indoor and outdoor detection dust in air particulate matter, carbon dioxide and formaldehyde etc. of being applied to according to the present invention pollutes
The portable miniature instrument of object content, step include:
Firstly, directly using USB power source line connection USB power source power supply interface (2-4) or using rechargeable lithium battery (2-7)
It connects to single chip microcomputer circuit board (2-5) and sensor (2-3), liquid crystal display (2-1) power supply, when rechargeable lithium battery (2-7) electricity
When insufficient, it can be charged by battery power supply interface (2-6) to lithium battery (2-7), when USB power connector power supply, be automatically cut off
Lithium battery (2-6) power supply；Secondly the program software stored in the microcontroller of single chip microcomputer circuit board passes through serial ports to sensor (2-
3) data command is sent, sensor is started to work and the dust in air particulate matter pm1.0 content that will test, pm2.5 contain
Amount, pm10 content, carbon dioxide content, content of formaldehyde and diameter are that 1.0um, 2.5um, 5um, 10um dust particle exist
Quantity (a) in 0.1 lift-off gas, is sent to singlechip microcontroller by serial ports, the program software warp stored in microcontroller
Data processing is crossed to contain dust in air particulate matter pm1.0 content, pm2.5 content, pm10 content, carbon dioxide content, formaldehyde
Amount and diameter are the data such as quantity (a) of 1.0um, 2.5um, 5um, 10um dust particle in 0.1 lift-off gas, are passed through
Serial communication is shown on liquid crystal display；Program software is according further to dust particle pm1.0, pm2.5, pm10 in microcontroller
Content data calculates AQI index, in conjunction with China, U.S. AQI air quality grade division methods, is obtained accordingly by AQI index
Air quality grade, and the data such as AQI index and air quality grade are shown on liquid crystal display by serial communication.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, it is clear that those skilled in the art
Various changes and modifications can be made to the invention by member without departing from the spirit and scope of the present invention.If in this way, of the invention
Within the scope of the claims of the present invention and its equivalent technology, then the present invention is also intended to encompass these to these modifications and variations
Including modification and variation.
Claims (4)
1. a kind of portable high-accuracy air quality environment measuring instrument, it is characterised in that: including shell, hardware, wherein shell,
Its upper surface portion installs liquid crystal display, and surrounding is provided with air vent, and power supply hole is arranged in side；Wherein hardware components, including laser
Dust particle sensor, carbon dioxide sensor, electrochemistry formaldehyde sensor, liquid crystal display, single chip microcomputer circuit board, laser dust
Three kinds of particulate matter sensors, carbon dioxide sensor, electrochemistry formaldehyde sensor sensors pass through serial ports and are connected to single-chip microcontroller
On circuit board and with onboard micro-controller communications, liquid crystal display be connected in single chip microcomputer circuit board by serial ports and with it is onboard micro-
Controller communication.
2. hardware components-sensor of portable high-accuracy air quality environment measuring instrument according to claim 1,
It is characterized by comprising three kinds of sensors, detect dust particle, carbon dioxide and the aerial content of formaldehyde, powder respectively
The Data Detection of dirt particle content is adopted using laser dust particulate matter sensors, the Data Detection of carbon dioxide content of profession
With the Data Detection of industrial grade carbon-dioxide sensor, content of formaldehyde using the electrochemistry formaldehyde sensor of profession, inspection ensure that
Survey precision.
3. the hardware components of portable high-accuracy air quality environment measuring instrument according to claim 1-monolithic is electromechanical
Road plate, it is characterised in that: there is microcontroller in single chip microcomputer circuit board, and there are multiple serial ports for connection sensor and liquid crystal display, it is single
Power supply interface there are two types of being gathered around on piece mounted circuit board, a kind of power supply hole and external electric supply socket passing through shell by USB connecting line
Power supply；Another kind is battery power supply interface, is connect with the rechargeable lithium battery of internal independence power supply, can be used for lithium battery charging,
In order to mobile and carrying.
4. the shell of portable high-accuracy air quality environment measuring instrument according to claim 1, it is characterised in that: adopt
It is made into box pattern with acrylic or engineering plastics, single chip microcomputer circuit board and sensor are mounted on internal in the following, side setting supplies
Electric hole can circumscribed USB connecting line connect with single chip microcomputer circuit board power pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820497171.3U CN208588678U (en) | 2018-04-10 | 2018-04-10 | A kind of portable high-accuracy air quality environment measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820497171.3U CN208588678U (en) | 2018-04-10 | 2018-04-10 | A kind of portable high-accuracy air quality environment measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208588678U true CN208588678U (en) | 2019-03-08 |
Family
ID=65532089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820497171.3U Expired - Fee Related CN208588678U (en) | 2018-04-10 | 2018-04-10 | A kind of portable high-accuracy air quality environment measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208588678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082269A (en) * | 2019-04-28 | 2019-08-02 | 宁波爱立德汽车部件有限公司 | A kind of dust concentration and gas concentration lwevel detect measuring device |
-
2018
- 2018-04-10 CN CN201820497171.3U patent/CN208588678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082269A (en) * | 2019-04-28 | 2019-08-02 | 宁波爱立德汽车部件有限公司 | A kind of dust concentration and gas concentration lwevel detect measuring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190308 Termination date: 20200410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |