CN205808987U - Air detection instrument - Google Patents
Air detection instrument Download PDFInfo
- Publication number
- CN205808987U CN205808987U CN201620419338.5U CN201620419338U CN205808987U CN 205808987 U CN205808987 U CN 205808987U CN 201620419338 U CN201620419338 U CN 201620419338U CN 205808987 U CN205808987 U CN 205808987U
- Authority
- CN
- China
- Prior art keywords
- air
- operational amplifier
- particulate matter
- controller
- matter sensors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
This utility model relates to air detection instrument, including controller, support, controller is rack-mount, described controller includes top level control circuit board, underlying control circuitry plate, underlying control circuitry plate is signal amplification circuit, being integrated with air mass sensor on underlying control circuitry plate, air mass sensor detects content or the concentration of composition in air；Top level control circuit board is data acquisition and transmission circuit；Also installing particulate matter sensors on support, controller, particulate matter sensors are connected with power supply respectively；Controller, particulate matter sensors are connected with air quality detection system electrical connection or signal respectively, wherein the data of air mass sensor and particulate matter sensors collection are transferred to air quality detection system by signal, and by terminal unit, the testing result of air quality detection system is shown, this utility model simple in construction, cheap, data are accurate, are convenient for people to grasp in real time weather conditions, the trip being convenient for people to.
Description
Technical field
This utility model relates to a kind of air detection instrument.
Background technology
Existing air detection instrument is due to relatively valuable, and be distributed in the environment is the most intensive, the most existing air
The data of detector inaccuracy.
Utility model content
Technical problem to be solved in the utility model is to provide for one can understand weather conditions at that time in real time, and
Can large area use air detection instrument.The technical scheme realizing above-mentioned purpose is as follows:
Air detection instrument, it is characterised in that: including controller, support, controller is rack-mount, described controller bag
Including top level control circuit board, underlying control circuitry plate, wherein, underlying control circuitry plate is signal amplification circuit, and lower floor controls electricity
Being integrated with air mass sensor on the plate of road, described air mass sensor detects content or the concentration of composition in air；
Wherein top level control circuit board is data acquisition and transmission circuit, top level control circuit board and underlying control circuitry plate
Between electrically connect；
Also installing particulate matter sensors on its medium-height trestle, controller, particulate matter sensors are connected with power supply respectively；
Controller, particulate matter sensors are connected with air quality detection system electrical connection or signal respectively, wherein air
The data of mass sensor and particulate matter sensors collection are transferred to air quality detection system by signal, and pass through terminal
The testing result of air quality detection system is shown by equipment.Described top level control circuit board includes wireless communication antenna,
The signal of electrochemical sensor and particulate matter sensors is connected with air quality detection system by wireless communication antenna.
Preferably, described air borne sensor is electrochemical sensor.
Preferably, described signal amplification circuit includes field effect transistor Q1, operational amplifier U1A, operational amplifier U1B, filter
Ripple device L1, operational amplifier U1C, Xiao Te diode D1；
Wherein, electrochemical sensor A1 working electrode W is connected with operational amplifier U1A negative input end, and simultaneous electrochemical passes
The working electrode W of sensor A1 is also connected with the source S of field effect transistor Q1, the reference electrode R of electrochemical sensor A1 and field effect
The drain D of pipe Q1 connects；
Operational amplifier U1A contacts operational amplifier U1B and operational amplifier U1C simultaneously, the output of operational amplifier U1C
End connects clamper Xiao Te diode D1, carries out clamper, described operational amplifier U1A, operational amplifier U1B and fortune to amplifying signal
Calculate amplifier U1C and constitute three-stage operational amplifying circuit；
Wherein clamper Xiao Te diode D1 is connected with power supply.
Preferably, any one during told terminal unit is mobile phone, computer, flat board.
Preferably, also including base, support is fixed on base, and described power supply is external power supply and/or built-in power, institute
State built-in power to be arranged in base, or be positioned on base；
Panel is installed in the lower end of described particulate matter sensors, and panel is fixed on support, simultaneously the edge of panel or periphery
Being surrounded with filter screen, air passes from filter screen, makes particulate matter sensors be fully contacted with air.
Preferably, also include that outer housing, described outer housing include several parallel and spaced shield, described shield bag
The center of including has the flat board of open-work, and wherein the edge along flat board downwardly extends out an inclined-plane, makes shape between inclined-plane and horizontal plane
Acutangulate angle；
It is serially connected by one or several support column between its middle plateform；
Wherein having cover plate on the shield open-work of support column top, open-work is sealed by cover plate；
Controller and filter screen are contained between open-work the receiving intracavity formed；
Also including that a center has the backing plate of open-work, described backing plate is positioned at the lower end of shield, and backing plate is also serially connected in
On support column, wherein, the lateral edges along backing plate extends outward the connection sheet of a bending, connects and arranges at least two on sheet
Connecting hole, one of them connecting hole is fixed for being fixed on remaining object by outer housing, and another connecting hole is used for will
Outer housing and base are fixed together.
Preferably, described acute angle is between 30-60 degree.Can also between 10-80 degree.
In this utility model, the method for work of air detection instrument is as follows:
(1) data collection is carried out first with data gathering system, the detection of air mass sensor, particulate matter sensors
Initial data and/or the various data relevant with air quality form raw data base；
(2) initial data obtaining air quality parameters is transferred to calibration system, the cloud platform of calibration system by signal
By machine learning and big data mining, initial data is corrected, obtains calibration data；
(3) calibration data after calibration is respectively transmitted to the data display of Data application system and analysis platform data
Carrying out real-time exhibition, data display pollutes map display module combining geographic information, to Microair in real time with analysis platformTM
The magnanimity Monitoring Data of minute level uploaded carries out visual presentation, and the real-time change showing air quality becomes vividly
Gesture and pollution distribution situation；
Single-point statistical analysis module carries out simple statistical analysis to the Historical Monitoring data of test point position, helps user
Save manual analyzing time cost, user can also be helped to understand basic pollution situation simultaneously；
Regional pollution analyze module realize a period of time in each regional pollution statistical analysis as a result, it is possible to often sent out
The raw region polluted；
(1) terminal unit receives the result of Data application system.
This utility model simple in construction, cheap, data are accurate, are convenient for people to grasp in real time weather conditions, facilitate people
Trip.
Accompanying drawing explanation
Fig. 1 is air detection instrument schematic diagram
Fig. 2 is controller schematic diagram
Fig. 3 is signal amplification circuit
Fig. 4 is air quality detection system flow chart
Fig. 5 is air quality detection system particular flow sheet
Fig. 6 is outer housing and mounting seat schematic diagram
Fig. 6-1 is outer housing other direction schematic diagram
Fig. 6-2 is backing plate schematic diagram
Fig. 7 is shield schematic diagram
Fig. 8 is mounting seat schematic diagram
Fig. 8-1 is mainboard schematic diagram
Fig. 8-2 is base plate schematic diagram
Top view when Fig. 8-3 links together for mounting seat
Figure number illustrate: support 1, top level control circuit board 2, underlying control circuitry plate 3, electrochemical sensor A1,
Grain thing sensor 4, panel 5, filter screen 6, built-in power 7, base 8, column 9, wireless communication antenna 10, outer housing 11, shield 12,
Flat board 13, inclined-plane 14, support column 15, backing plate 16, connect sheet 17, connecting hole 1, connecting hole 2 19, groove 20, mounting seat 21,
Base plate 22, mainboard 23, gap 24, fastening bolt 25, baffle plate 26, groove 27, ring for fixing 28, fixing band the 29, first side plate 30, rotation
Button screw the 31, second side plate 32
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in detail.
In figure, air detection instrument includes air quality detection system, terminal unit, controller, support 1, and controller is installed
On support 1, described terminal unit is any one that have in the mobile phone of display screen, computer, flat board.This utility model is controlled
Device processed is connected with power supply, and described controller includes top level control circuit board 2, underlying control circuitry plate 3, and wherein, lower floor controls electricity
Road plate 3 is signal amplification circuit, and underlying control circuitry plate 3 is integrated with air mass sensor, and air mass sensor detects
In air, content or the concentration, preferably air mass sensor of composition are electrochemical sensor A1, and electrochemical sensor A1 measures
The various component content of SO2, CO, H2S, NO2, O3 in air etc..Wherein top level control circuit board 2 is data acquisition and transmission
Circuit, electrically connects between top level control circuit board 2 and underlying control circuitry plate 3；On its medium-height trestle 1, particulate matter sensors is also installed
4, preferred particulate matter sensor 4 is arranged on below controller, and particulate matter sensors 4 is for monitoring pm10, the pm in air
The content of 2.5, installs particulate matter sensors 4 for convenience, installs panel 5 in the lower end of particulate matter sensors 4, and panel 5 connects
On support 1, the periphery of panel 1 or edge are surrounded with filter screen 6, and air passes from filter screen 6, make particulate matter sensors 4 with empty
Gas is fully contacted.Controller, particulate matter sensors 4 are connected with air quality detection system electrical connection or signal respectively, electrification
The data learning sensors A 1 and particulate matter sensors 4 collection are transferred to air quality detection system by signal, and by eventually
The testing result of air quality detection system is shown by end equipment.In this utility model, air quality detection system uses
The prior art of this utility model purpose can be completed.The purpose of this utility model is only in that the overall structure of air detection instrument,
How to receive as terminal unit, system, show result, use prior art.
The bottom of controller can also arrange panel, and panel is fixing with support 1 to be connected or is flexibly connected, and controller is directly put
Put on panel.
The use of this device for convenience, power supply has external power supply and built-in power 7, also sets simultaneously in this utility model
Bottom set seat 8, base 8 is arranged on the lower end of support 1, and the purpose arranging base 8 is the firm of beneficially support 1, can will control simultaneously
The weight of the parts such as device processed concentrates on base 8, facilitates this device to carry out placing, installs, the connection of parts.Preferably molded-in power supply
7 is battery or accumulator, and built-in power 7 is placed on the top of base 8, and in this utility model, built-in power 7 can be shelved on
On another block panel 5, panel 5 is connected with support 1, spaced apart by column 9 or support column between panel 5 and base 8, support
1 and column 9 can be the structure of one, use such structure not only built-in power 7 to place firm, and install, dismounting the most very
Convenient, and can dispel the heat in the gap between built-in power 7 and base 8, above-mentioned design is excellent in this utility model
Select mode.Certainly built-in power 7 can also be placed on base 8 inside, or uses other connected mode.
Signal amplification circuit under introduction in detail below: signal amplification circuit includes field effect transistor Q1, operational amplifier
U1A, operational amplifier U1B, wave filter L1, operational amplifier U1C, Xiao Te diode D1；Wherein, electrochemical sensor A1 work
Electrode W is connected with operational amplifier U1A negative input end, and electrochemical sensor A1 working electrode W and operational amplifier U1A
Being connected with resistance R1 between negative input end, the working electrode W of simultaneous electrochemical sensors A 1 is also with the source S of field effect transistor Q1 even
Connecing, the reference electrode R of electrochemical sensor A1 is connected with the drain D of field effect transistor Q1, and the preferably model of field effect transistor Q1 is
MMBFJ177, field effect transistor Q1 is also connected with resistance R3.Operational amplifier U1A negative input end and outfan are parallel with resistance R2.
Operational amplifier U1A contacts operational amplifier U1B and operational amplifier U1C simultaneously, the output of operational amplifier U1C
End connects clamper Xiao Te diode D1, carries out clamper to amplifying signal, with fault-tolerant, and described operational amplifier U1A, operational amplifier
U1B and operational amplifier U1C constitutes three-stage operational amplifying circuit.The positive input terminal of preferably operational amplifier U1A connects resistance
R4, and at the other end one bias voltage Vbais of connection of R4, constitute first order amplifying circuit, operational amplifier U1A and computing
Amplifier U1B forms second level amplifying circuit and third level amplifying circuit.In this utility model, the model of operational amplifier is permissible
It is TLC2543.
Preferably contact between operational amplifier U1B and operational amplifier U1C wave filter L1, uses wave filter L1 to ensure
Noise signal can lower primary signal loss to greatest extent while removing.
The small-signal of particulate matter sensors and electrochemical sensor can be put by the use of signal amplification circuit effectively
Greatly.Avoid gathering the loss of data and inaccurate.
Top level control circuit board 2 includes wireless communication antenna 10, electrochemical sensor A1 and the signal of particulate matter sensors 4
It is connected with air quality detection system by wireless communication antenna 10.
Owing to this utility model is located in natural environment, the rainwater of natural environment or thunder and lightning, wind and rain can be to this reality
Cause erosion with novel, in order to avoid the generation of above-mentioned situation, outer housing 11 is set in outside of the present utility model.
Described outer housing 11 includes several parallel and spaced shield 12, and the spacing between adjacent shield 12 is at 5-
Between 20mm, described shield 12 includes that center has the flat board 13 of open-work, and wherein the edge along flat board 13 downwardly extends out
One inclined-plane 14, between inclined-plane 14 and horizontal plane, formation acute angle, preferably acute angle are between 20-60 degree, its middle plateform 13
Between be serially connected by one or several support column 15, preferably this utility model uses two symmetrical support columns 15 will
Each shield 12 is serially connected, and concatenation shield 12, is provided with one or several jack on flat board 13 for convenience, supports
Post 15 is adaptive passing in jack, is linked together by shield 12.Wherein on the open-work of top shield 12, there is lid
Plate, open-work is sealed by cover plate, it is to avoid rainwater penetrates into, and cover plate can be integral structure with the shield 12 of top；Controller,
Support 1, built-in power are all contained between open-work the receiving intracavity formed.The preferably edge on inclined-plane 14 stretches out the outside of base 8
Edge, also covers base 8 within outer housing 11.
The center that is provided below of bottom shield 12 has the backing plate 16 of open-work, and backing plate 16 is also serially connected in support
On post 15, backing plate 16 may be mounted at the bottom of built-in power panel, and wherein, the lateral edges along backing plate 16 extends outward
The connection sheet 17 of one bending, connects and arranges at least two connecting hole, respectively connecting hole 1, connecting hole 2 19 on sheet 17, even
Connecing in hole all placing screws, wherein the screw in connecting hole 1 links together with base 8, and connected mode can be directly spiral shell
Silk connects, it is also possible to arranging a groove 20 on base, screw is directly inserted in groove 20.Connecting hole 2 19 is for by backing plate
16 link together with mounting seat 21, thus outside protective covers 11, base 8 have been fixed in mounting seat 21, concrete connection knot
Structure is: the lower end connecting sheet 17 is inserted in the gap of mounting seat 21, and the screw in connecting hole 2 19 is for by outside protective covers 11
It is fixed in the gap installing 21, uses such structure to prevent this utility model from losing or at will being moved.
Angle between overtesting and research, inclined-plane 14 and horizontal plane is 60 degree, and the width on inclined-plane 14 is equal to or bigger
During spacing between adjacent shield 12, rainproof effect is best, and the impact on wind speed is minimum.
The lower end connecting sheet 17 is plugged in mounting seat 21, and arranging mounting seat 21 can be by integral installation of the present utility model
In the tree or on electric pole.The structure of following detailed description mounting seat 21.
Mounting seat 21 includes base plate 22, mainboard 23, and wherein base plate 22 and mainboard 23 are by the parallel company of screw or bolt
Be connected together, and between mainboard 23 and base plate 22 between be separated with distance, form gap 24, connect between the insertion that the end of sheet 17 is adaptive
In gap 24.Being provided with one or several installing hole on base plate 22, placement connector adaptive in installing hole, described connector is tight
Fixing bolt 25, fastening bolt 25 is for linking together base plate 22, mainboard 23, base 8.
The two side ends of mainboard 23 symmetry extends outwardly formation baffle plate 26, the preferably cross section of mainboard 23 substantially in U-shaped a, C
Type or dovetail trench structure.Arranging groove 27 on the end face of described baffle plate 26 symmetry, the front of mainboard 23 is provided with solid simultaneously
Surely enclosing 28, described ring for fixing 28 connects fixing band 29, fixing band 29 is used for the fixture of the present utility model that is fastened, fixing
The biggest tree of thing, electric pole etc..Being fastened on fixture, wherein with the corresponding position of base plate 22 installing hole of groove 27 then adaptation
Putting, be also provided with installing hole, screw or bolt on mainboard 23 through installing hole and fixation, three is fixed on one by bolt
Rise.
The two side ends of described base plate 22 symmetry extends outwardly formation the first side plate 30, and described first side plate 30 is arranged
Screw hole, knob screw 31 adaptive in screw hole, the top contact of the first side plate 30 is in the bottom surface of mainboard 23, with screw hole pair
Answering position, be also provided with screw hole on mainboard 23, mainboard 23 is linked together by screw with base plate 22, and preferably base plate 22 also sets
Putting one second side plate 32, described second side plate 32 is between the first side plate 30, and in this utility model, the preferably second side plate 32 is
It is arranged in base plate 22 side of any two ends of the base plate being not provided with the first side plate 30, i.e. base plate 22 other both sides end face
Arbitrarily one end arranges the second side plate 32, simpler theory, and the second side plate 32 act as the bottom in gap 24, the first side plate 30 and the
Two side plates 32 are the most identical, when connecting sheet 17 and being inserted in gap 24, connect the bottom contact of sheet 17 on the second side plate 32.
Preferably the cross section of base plate 22 is the most substantially in U-shaped a, c-type or dovetail trench structure.
Fixation can be arranged on the objects such as electric pole by mounting seat easily, and easy for installation, it is not necessary to volume
The work such as outer boring, very easy to use.
The when of use, it would be desirable to waterproof air detection instrument is placed in outside protective covers, the connectors such as screw are used to incite somebody to action
Air detection instrument is fixed together with outside protective covers, when needing that fixing protection is external is not arbitrarily moved, then by remaining even
Connect hole by fixing for outside protective covers on the wall, on tree, on electric pole etc. fixture, prevent outside protective covers to be removed or because of external force quilt
The most mobile.When Sometimes When It Rains, rainwater can be dirty along downward-sloping baffle plate, owing to the distance between adjacent screen is not
Far, even if therefore the force of rain and wind are very big, rainwater still can be swatted on the baffle plate tilted, and will not enter the interior of outside protective covers
Air detection instrument is drenched in portion.When blowing air over air detection instrument, simultaneously because baffle plate is inclined-plane, add all wind on air detection instrument
Speed and pressure will not change, and do not interfere with the device (such as particulate matter sensors and electrochemical sensor) in air detection instrument right
The record of natural environment and collection at that time.
Temperature, wind speed, humidity, air can be such as measured with integrated other sensor on this utility model middle controller
Flow, dust sensor etc., as what sensor integrated, according to demand can be from main separation, this utility model does not limit to be made
By electrochemical sensor and particulate matter sensors.This utility model compact, weight is less than 5 jin, and cost is relative to existing
Detecting instrument with low cost, therefore can be widely used in market, house, garden, office building, factory, laboratory etc. indoor or
In outdoor natural environment, and can large area.The use that density is high, such as, can use in the range of one square kilometre
10-50 this device, can be spaced 50-100 rice, as long as being mounted with to receive corresponding sky in computer or mobile phone between neighboring devices
The receptor of makings amount detection systems or module, open a terminal the corresponding air quality detection system on equipment, Ji Kejie
By the testing result of the air detection instrument of surrounding, the air condition that real-time examination is current, bring convenience to the trip of people.When
So this utility model can also check the testing result of remaining area air detection instrument.
These are only the preferred embodiment of this utility model embodiment, not in order to limit this utility model enforcement
Example, within all spirit in this utility model embodiment and principle, any modification, equivalent substitution and improvement etc. made, all should wrap
It is contained in the protection domain of this utility model embodiment.
Claims (7)
1. air detection instrument, it is characterised in that: including controller, support, controller is rack-mount, and described controller includes
Top level control circuit board, underlying control circuitry plate, wherein, underlying control circuitry plate is signal amplification circuit, underlying control circuitry
Being integrated with air mass sensor on plate, described air mass sensor detects content or the concentration of composition in air；
Wherein top level control circuit board is data acquisition and transmission circuit, between top level control circuit board and underlying control circuitry plate
Electrical connection；
Also installing particulate matter sensors on its medium-height trestle, controller, particulate matter sensors are connected with power supply respectively；
Controller, particulate matter sensors are connected with air quality detection system electrical connection or signal respectively, wherein air quality
The data of sensor and particulate matter sensors collection are transferred to air quality detection system by signal, and pass through terminal unit
The testing result of air quality detection system is shown.
Air detection instrument the most according to claim 1, it is characterised in that: described air borne sensor is electrochemical sensor.
Air detection instrument the most according to claim 2, it is characterised in that: described signal amplification circuit includes field effect transistor
Q1, operational amplifier U1A, operational amplifier U1B, wave filter L1, operational amplifier U1C, Xiao Te diode D1；
Wherein, electrochemical sensor A1 working electrode W is connected with operational amplifier U1A negative input end, simultaneous electrochemical sensor
The working electrode W of A1 is also connected with the source S of field effect transistor Q1, the reference electrode R of electrochemical sensor A1 and field effect transistor Q1
Drain D connect；
Operational amplifier U1A contact simultaneously operational amplifier U1B and operational amplifier U1C, operational amplifier U1C outfan even
Meeting clamper Xiao Te diode D1, carry out clamper to amplifying signal, described operational amplifier U1A, operational amplifier U1B and computing are put
Big device U1C constitutes three-stage operational amplifying circuit；
Wherein clamper Xiao Te diode D1 is connected with power supply.
Air detection instrument the most according to claim 1, it is characterised in that: told terminal unit is in mobile phone, computer, flat board
Any one.
Air detection instrument the most according to claim 1, it is characterised in that: also including base, support is fixed on base, institute
Stating power supply is external power supply and/or built-in power, and described built-in power is arranged in base, or is positioned on base；
Panel is installed in the lower end of described particulate matter sensors, and panel is fixed on support, simultaneously the edge of panel or periphery around
There are filter screen, air to pass from filter screen, make particulate matter sensors be fully contacted with air.
Air detection instrument the most according to claim 5, it is characterised in that:
Also including that outer housing, described outer housing include several parallel and spaced shield, described shield includes that center has
The flat board of open-work, wherein the edge along flat board downwardly extends out an inclined-plane, makes to be formed between inclined-plane and horizontal plane acute angle；
It is serially connected by one or several support column between its middle plateform；
Wherein having cover plate on the shield open-work of support column top, open-work is sealed by cover plate；
Controller and filter screen are contained between open-work the receiving intracavity formed；
Also including that a center has the backing plate of open-work, described backing plate is positioned at the lower end of shield, and backing plate is also serially connected in support
On post, wherein, the lateral edges along backing plate extends outward the connection sheet of a bending, connects and arranges at least two connection on sheet
Hole, one of them connecting hole is fixed for being fixed on remaining object by outer housing, and another connecting hole is for by outer housing
It is fixed together with base.
Air detection instrument the most according to claim 6, it is characterised in that: described acute angle is between 30-60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620419338.5U CN205808987U (en) | 2016-05-10 | 2016-05-10 | Air detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620419338.5U CN205808987U (en) | 2016-05-10 | 2016-05-10 | Air detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808987U true CN205808987U (en) | 2016-12-14 |
Family
ID=57498801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620419338.5U Active CN205808987U (en) | 2016-05-10 | 2016-05-10 | Air detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205808987U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823812A (en) * | 2016-05-10 | 2016-08-03 | 泛测（北京）环境科技有限公司 | Air detector and working method thereof |
| CN107290489A (en) * | 2017-07-19 | 2017-10-24 | 泛测（北京）环境科技有限公司 | A kind of air monitor |
| CN108077107A (en) * | 2018-01-18 | 2018-05-29 | 武汉至为科技有限公司 | A kind of pig farm message management system |
-
2016
- 2016-05-10 CN CN201620419338.5U patent/CN205808987U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823812A (en) * | 2016-05-10 | 2016-08-03 | 泛测（北京）环境科技有限公司 | Air detector and working method thereof |
| CN105823812B (en) * | 2016-05-10 | 2019-06-25 | 泛测（北京）环境科技有限公司 | Air detection instrument and its working method |
| CN107290489A (en) * | 2017-07-19 | 2017-10-24 | 泛测（北京）环境科技有限公司 | A kind of air monitor |
| CN107290489B (en) * | 2017-07-19 | 2023-09-12 | 泛测（北京）环境科技有限公司 | Air monitor |
| CN108077107A (en) * | 2018-01-18 | 2018-05-29 | 武汉至为科技有限公司 | A kind of pig farm message management system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205808987U (en) | Air detection instrument | |
| CN202886629U (en) | Meteorological monitoring device | |
| CN102866301A (en) | Grounding resistance analyzing device and grounding resistance analyzing method | |
| CN206311135U (en) | A kind of ecological environment treatment monitoring device | |
| CN206656763U (en) | Miniature multi-parameter atmosphere pollution monitor and atmosphere pollution monitoring system | |
| CN205787184U (en) | A kind of Portable Automatic Weather Station fault assay device | |
| CN105823812B (en) | Air detection instrument and its working method | |
| CN105448072A (en) | Structure safety monitoring system | |
| CN208537353U (en) | Open-air monitoring device | |
| CN105572002A (en) | PM2.5 dust concentration detection method | |
| CN105577895A (en) | Mobile phone for testing concentration of PM2.5 dust | |
| CN207894896U (en) | A kind of air-quality monitoring system | |
| CN206330974U (en) | Harmful substance multi-parameter monitoring analyzer in a kind of water | |
| CN205451465U (en) | Structure safety monitoring system | |
| CN205909859U (en) | Little climatic environment monitors integrated equipment | |
| CN209783622U (en) | environment monitoring packaging hardware | |
| CN110985894B (en) | Buried gas detector | |
| Yonghua | Integration of Sentry™ Visibility Sensor into Campbell Scientific Data Logger CR1000 | |
| CN207798792U (en) | A kind of atmosphere quality monitoring device | |
| CN204241710U (en) | Air joint defence multisensor mounting bracket | |
| CN213422245U (en) | Environment monitoring station | |
| JP2009074906A (en) | Data collector and assembling method of data collector | |
| CN218288495U (en) | Sample storage rack for detection and sampling | |
| CN205882415U (en) | Dustproof electricity meter box | |
| CN213121928U (en) | Environment-friendly soil environment testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |