CN110286201A - Air detection instrument - Google Patents
Air detection instrument Download PDFInfo
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- CN110286201A CN110286201A CN201910670378.5A CN201910670378A CN110286201A CN 110286201 A CN110286201 A CN 110286201A CN 201910670378 A CN201910670378 A CN 201910670378A CN 110286201 A CN110286201 A CN 110286201A
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- air
- air bag
- sensor
- temperature
- control chip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automation & Control Theory (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention proposes a kind of air detection instruments, cabinet, it further include being arranged in the intracorporal air trapping unit of case, and it is arranged in the intracorporal air detector module of case, wherein, the air trapping unit collects outside air in cabinet, and is transmitted to air detector module according to preset flow velocity, and the air detector module carries out analysis detection to the air of collection.The present invention is collected outside air in cabinet by setting air trapping unit and air detector module, and is transmitted to air detector module according to preset flow velocity, and the air detector module carries out analysis detection to the air of collection.By various detection sensor concentrated settings in board structure of circuit, the air of homogenous quantities is detected, avoids generating error.
Description
Technical field
The present invention relates to air part detection technique fields, can exclude ambient enviroment interference in particular to one kind
Air detection instrument.
Background technique
As attention rate of the common people for data such as environmental qualities and meteorological condition improves, industry also starts to be dedicated to developing
Related software and hardware, to which the data such as client environmental quality of interest and meteorological condition can be provided in real time, further, since modern
The development of science and technology, the cost of data storage are greatly reduced, and the technologies such as cloud operation and big data analysis are ripe day by day, for obtaining
The demand of a large amount of initial data (raw data) has started to increase.
However, the currently used air detection technology of industry is unable to satisfy above two demand in fact, and in detail, existing sky
Gas quality detection apparatus includes satellite navigation system (GPS) air detecting device, storage device and battery, and usually with circuit board
It is handled in laboratory or outdoor, when actually being detected, suffers from the influence of external environment, the detection of itself
Precision is different according to the difference of detection environment.
Summary of the invention
In consideration of it, the invention proposes a kind of air detection instruments, it is intended to solve existing air detection due to environment band
The not accurate technical problem of the detection come.
The invention proposes a kind of air detection instrument, cabinet further includes setting in the intracorporal air trapping unit of case, and
It is arranged in the intracorporal air detector module of case, wherein
Outside air is collected and is transmitted to air detection in cabinet, and according to preset flow velocity by the air trapping unit
Unit, the air detector module carry out analysis detection to the air of collection；
The air trapping unit includes the negative-pressure air fan being arranged on cabinet one side, is fastened on the side of cabinet
On, it further include the airhood being set in from box house on negative-pressure air fan, the airhood covers on negative-pressure air fan in it completely,
So that the gas of negative-pressure air fan sucking is completely into airhood, the outlet end of the airhood is connected to the first air inlet pipe,
The first regulating valve is provided in first air inlet pipe, control air enters the flow velocity of air detector module；
The air detector module is arranged on the first transverse slat among cabinet, detects to various air indexes, empty
Include several air detecting sensors and a control chip in gas detection unit, several air survey sensors respectively with control
Chip connection；The second transverse slat is also set up above first transverse slat, one is arranged on the second transverse slat and adjusts unit, to air
The ambient enviroment of detection unit is adjusted；
Symmetrical two air bags are provided on first transverse slat, the bottom of two air bags is pasted on bottom side plate, shape
Air detecting sensors can be placed at one and control the plane of chip；Circuit board is provided in air bag, circuit board includes described
The first conduit is arranged in the connecting pin of two air bags, by transfer wire and outside in air detecting sensors and control chip
Boundary's equipment is connected, and two air bags bond together with the first conduit, to form sealing structure；On the inner sidewall of the air bag
It is provided with an at least pressure sensor, at least a humidity sensor, at least a temperature sensor and at least sound wave sensing
Device respectively detects the air pressure of air bag, humidity, temperature and sound wave, and will test result and be transmitted in control chip, described
Control chip is compared according to the level threshold value prestored, adjusts the environment parameter of air bag.
Further, the control chip is arranged in middle section in the circuit board, examines to the air of each sensor
It surveys result to be handled, additionally it is possible to be adjusted external equipment；
It further include the carbon monoxide transducer detected to carbonomonoxide concentration, the PM2.5 detected to PM2.5 is passed
Sensor, to the ozone sensor that ozone is detected, to the nitrogen dioxide sensor that nitrogen dioxide is detected, to sulfur dioxide
The SO 2 sensor detected, the formaldehyde sensor that PARA FORMALDEHYDE PRILLS(91,95) is detected.
Further, also set up an exhaust fan on the circuit board, to control panel when the temperature is excessively high, by fan into
Row cooling；
USB communication interface, power interface, screen interface, Temperature Humidity Sensor interface are additionally provided on the circuit board,
To with communicating with external device and input power.
Further, it is also carved on the circuit board and is equipped with airflow channel, including enter circuit board from opposite from side base angle
First airflow channel of another base angle arrangement answered, the second airflow channel arranged from the first airflow channel to side, from first
The third airflow channel that airflow channel is arranged to the other side, each airflow channel are curved channel；
Wherein, the gas that first airflow channel flows through is sensed with PM2.5 sensor, formaldehyde sensor, nitrogen dioxide
Device connection, second airflow channel are connected to carbon monoxide transducer, the third airflow channel and SO 2 sensor
Connection.
Further, a spray chamber is set in the air bag, it is internal that mist pipe is set, the is provided with outside mist pipe
Two conduits, to convey mist pipe, the second conduit and two air bag adhering and sealings；
Second conduit partially protrudes into mist pipe, also, an atomizer is arranged in the initial end of mist pipe, leads to
The mode for crossing controllable temperature is atomized the moisture in it, and atomization in spray chamber.
Further, the adjusting unit includes air pump, the flowmeter on air pump output end pipeline is arranged in, and external
Pipeline is protected, is provided with mist pipe and appendix in protection pipeline, is connected in air bag and protection pipeline by a connecting flange
It connects, there is air bag an extension end air bag to be mounted on to the two sides up and down of connecting flange by fastening screw.
Further, when temperature is lower than preset temperature in the air bag, the temperature sensor will test result biography
It transports in control chip, control chip controls atomizer stops working, meanwhile, exhaust fan stop working, until temperature is appropriate
In range；
When the temperature is excessively high, the control chip controls atomizer stopping is atomized mist pipe, when temperature or mistake
Gao Shi, temperature sensor will test result and be transmitted in control chip, control chip controls air pump movement, by the body of the air bag
Product increases, and expands the heat dissipation area of air bag, heat is shed by way of thermal diffusion, meanwhile, heat emission fan is opened.
Further, when the humidity sensor detects that humidity is higher than default humidity in air bag, chip controls are controlled
Atomizer stops atomization, while controlling the movement of chip controls air pump, and the volume of the air bag is increased, the radiating surface of air bag is expanded
Product is dried by way of reducing the temperature of air bag and the inner space of air bag simultaneously, and heat emission fan is opened；
When humidity is lower than default humidity in the air bag, control chip controls air pump movement, by the volume of the air bag
It reduces, reduces air bag space, meanwhile, atomizer starting being realized to, humidity increases.
Further, the first regulating valve is provided in first air inlet pipe, control air enters air detector module
Flow velocity；The first air pump is also set up in the outlet end of first regulating valve, is additionally provided with second in the outlet end of the first air pump
Air in first air pump is discharged into air detector module by air inlet pipe.
Further, the acting flange includes the air bag connecting hole that upper and lower two sides are arranged in, and is hung down with air bag connecting hole
The screw hole directly opened up；It is also provided with the wire guide passed through for the second conduit in the horizontal direction of connecting flange, and supplies
The gas transmission pore that protection appendix and electric wire pass through, the second conduit and appendix enter in air bag after passing through connecting flange
Portion.
Compared with prior art, the beneficial effects of the present invention are the present invention passes through setting air trapping unit and sky
Outside air is collected and is transmitted to air detector module, the air in cabinet, and according to preset flow velocity by gas detection unit
Detection unit carries out analysis detection to the air of collection.By various detection sensor concentrated settings in board structure of circuit, to same
The air of quality is detected, and avoids generating error.It is also carved on circuit board and is equipped with airflow channel, enter circuit board from side base angle
The first airflow channel arranged from corresponding another base angle, the second airflow channel arranged from the first airflow channel to side,
The third airflow channel arranged from the first airflow channel to the other side, each airflow channel are curved channel, are avoided in air-flow
Pressure difference and reflux are generated in the process.Wherein, the gas and PM2.5 sensor, formaldehyde sensor, two that the first airflow channel flows through
The connection of nitrogen oxide sensor, the second airflow channel are connected to carbon monoxide transducer, and third airflow channel and sulfur dioxide sense
Device connection.Each channel is respectively communicated with to different sensors, it is convenient that a variety of air parameters are detected simultaneously.
Further, air detector module of the invention adjusts unit by setting, to the air pressure of air bag, humidity, temperature
Detected with sound wave, and will test result be transmitted to control chip in, the control chip according to the level threshold value prestored into
Row compares, and adjusts the environment parameter of air bag, setting adjusts unit on the outside of air bag, gentle to humidity, the temperature in air bag to be pressed into
Row adjustment.Control chip in be provided with about temperature, humidity, air pressure, electroacoustic wave threshold value, wherein temperature is lower than in air bag
When preset temperature, temperature sensor will test result and be transmitted in control chip, and control chip controls atomizer stops working,
Meanwhile exhaust fan stop working, until temperature in the appropriate range；When the temperature is excessively high, control chip controls atomizer stops
Mist pipe is atomized, when temperature or it is excessively high when, temperature sensor will test result be transmitted to control chip in, control core
Piece controls air pump movement, and the volume of the air bag is increased, expands the heat dissipation area of air bag, by heat by way of thermal diffusion
It sheds, meanwhile, heat emission fan is opened.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of air detection instrument of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of circuit block diagram of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of air detector module of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram that the embodiment of the present invention adjusts unit；
Fig. 5 is the structural schematic diagram of air bag of embodiment of the present invention mounting flange.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig.1, its structural schematic diagram for the air detection instrument of the embodiment of the present invention, the air inspection of the present embodiment
Surveying instrument includes cabinet 10, and it further includes being arranged in the intracorporal air trapping list of case that cabinet 10, which is cube or other stereochemical structures,
Member, and be arranged in the intracorporal air detector module 5 of case, wherein the air trapping unit collects outside air in cabinet
It is interior, and it is transmitted to air detector module according to preset flow velocity, the air detector module carries out analysis inspection to the air of collection
It surveys.
In the present embodiment, air trapping unit includes the negative-pressure air fan 61 being arranged on 10 one side of cabinet, and card is set
It further include the airhood 62 being set in from box house on negative-pressure air fan 61 on the side of cabinet, wherein the airhood will
Negative-pressure air fan covers in it completely, so that the gas that negative-pressure air fan 61 sucks is completely into airhood.In the present embodiment, empty
Gas hood is rubber, can be bent, also, flange is arranged at the edge of airhood entrance, can pass through screw or bonding
Mode is fixed on the medial surface of cabinet, this is repeated no more.
With continued reference to shown in Fig. 1, the outlet end of the airhood 62 of the present embodiment is connected to the first air inlet pipe 64, first into
The first regulating valve 63 is provided on tracheae 64, control air enters the flow velocity of air detector module 5.In first regulating valve
63 outlet end also sets up the first air pump 65, the second air inlet pipe 66 is additionally provided in the outlet end of the first air pump 65, by first
Air in air pump 65 is discharged into air detector module.It will be appreciated by persons skilled in the art that the first air pump can be set
In the arrival end of the first regulating valve, outlet end may also be arranged on.
With continued reference to shown in Fig. 1, the air detector module 5 of the present embodiment is arranged on the first transverse slat 71 among cabinet,
Various air indexes are detected；The second transverse slat 72 is also set up above first transverse slat 71, is set on the second transverse slat 72
An adjusting unit 27 is set, the ambient enviroment of air detector module 5 is adjusted, to make air detector module 5 in perseverance
It is detected under fixed environment.
As shown in fig.2, its structural schematic diagram for the circuit block diagram of the embodiment of the present invention, the circuit board of the present embodiment exist
Middle section setting control chip 1, the air detection result of each sensor is handled, additionally it is possible to external equipment into
Row adjustment；It further include the carbon monoxide transducer 31 detected to carbonomonoxide concentration, the PM2.5 detected to PM2.5
Sensor 32, it is right to the nitrogen dioxide sensor 36 that nitrogen dioxide is detected to the ozone sensor 34 that ozone is detected
The SO 2 sensor 37 that sulfur dioxide is detected, the formaldehyde sensor 35 that PARA FORMALDEHYDE PRILLS(91,95) is detected.Each sensor will
Real-time detection result is transmitted in control chip 1.An exhaust fan 33 is also set up on the circuit board, in control plate temperature mistake
Gao Shi is cooled down by fan.USB communication interface 21, power interface 24, screen interface are additionally provided on the circuit board
23, Temperature Humidity Sensor interface 22, to communicating with external device and input power.
As shown in connection with fig. 2, it is also carved on the circuit board of the present embodiment and is equipped with airflow channel 7, including enter electricity from side base angle
The first airflow channel 71 that road plate is arranged from corresponding another base angle, the second air-flow arranged from the first airflow channel to side
Channel 72, the third airflow channel 73 arranged from the first airflow channel to the other side, each airflow channel is curved channel, is kept away
Exempt to generate pressure difference and reflux during air-flow.Wherein, the gas and PM2.5 sensor, formaldehyde that the first airflow channel flows through
Sensor, nitrogen dioxide sensor connection, the second airflow channel are connected to carbon monoxide transducer, third airflow channel and dioxy
Change sulfer sensor connection.In the present embodiment, airflow channel quarter sets on circuit boards, and depth accounts for circuit board half.
As shown in fig.3, its structural schematic diagram for the air detector module of the embodiment of the present invention, several inspection air, which are surveyed, to be passed
Sensor 20 is connected to control chip 1 respectively；Symmetrical two air bags 21, two air bags 21 are provided on first transverse slat 71
Bottom be pasted on bottom side plate, formed one can place air detecting sensors and control chip plane.Setting in air bag
There is a circuit board, circuit board includes the air detecting sensors 20 and control chip 1, the setting the in the connecting pin of two air bags
One conduit 90 is connected by transfer wire and external device, and two air bags bond together with the first conduit 90, to be formed
Sealing structure.
With continued reference to shown in Fig. 3, being provided with an at least pressure sensor 92, at least one wet on the inner sidewall of the air bag
Sensor 94, at least a temperature sensor 93 and an at least sonic sensor 91 are spent, respectively to the air pressure of air bag, humidity, temperature
Degree and sound wave are detected, and be will test result and be transmitted in control chip 1, and the control chip is according to the level threshold value prestored
It is compared, adjusts the environment parameter of air bag.Setting adjusts unit 27 on the outside of the air bag of the present embodiment, to wet in air bag
The gentle pressure of degree, temperature is adjusted.Further include sonic generator 28, the sound wave generation of ambient enviroment is changed by generating sound wave
Become；Power supply, respectively to each power supply for electrical equipment.
One spray chamber 26 is set in the air bag, it is internal that mist pipe is set, the second conducting wire is provided with outside mist pipe
Pipe 271, to convey mist pipe, the second conduit 271 and two air bag adhering and sealings.
As shown in connection with fig. 4, adjusting unit 27 includes air pump 57, and the flowmeter 55 on 57 output end pipeline of air pump is arranged in,
And outer protection pipeline 54, it is provided with mist pipe 53 and appendix 59 in protection pipeline, in air bag and protection pipeline 54
It is connected by a connecting flange 51, there is air bag an extension end air bag is mounted on connecting flange 51 by fastening screw 52
Upper and lower two sides.As shown in connection with fig. 5, the connecting flange 51 of the present embodiment includes the air bag connecting hole 511 that upper and lower two sides are arranged in, with
And the screw hole 512 opened up vertical with air bag connecting hole 511；It is also provided in the horizontal direction of connecting flange for the second conducting wire
The wire guide 513 that pipe 271 passes through, and for the gas transmission pore 514 that protection appendix 59 and electric wire pass through, the second conduit
271 enter inside air bag with appendix 59 after connecting flange.Wherein, second conduit 271 partially protrudes into mist pipe,
Also, an atomizer 58 is arranged in the initial end of mist pipe, is atomized by way of controllable temperature to the moisture in it, and
It is atomization in spray chamber 26.The spray chamber 26 of the present embodiment is the structure made of polyethylene, can after mist pipe atomization
It is atomization to air bag space 54.
Specifically, control chip 1 in be provided with about temperature, humidity, air pressure, electroacoustic wave threshold value, wherein in air bag
When interior temperature is lower than preset temperature, temperature sensor will test result and be transmitted in control chip, control chip controls atomization
Device stops working, meanwhile, exhaust fan 33 stops working, until temperature in the appropriate range；When the temperature is excessively high, chip control is controlled
Atomizer processed stopping is atomized mist pipe, when temperature or it is excessively high when, temperature sensor will test result and be transmitted to control
In chip, the volume of the air bag is increased, expands the heat dissipation area of air bag, pass through thermal expansion by control chip controls air pump movement
Scattered mode sheds heat, meanwhile, heat emission fan is opened.
Wherein, when humidity sensor detects that humidity is higher than default humidity in air bag, control chip controls atomizer stops
It is only atomized, while controlling the movement of chip controls air pump, the volume of the air bag is increased, the heat dissipation area of air bag, this reality are expanded
Apply example and meanwhile be dried by way of reducing the temperature of air bag and the inner space of air bag, meanwhile, heat emission fan is opened；When
When humidity is lower than default humidity in air bag, the volume-diminished of the air bag it is empty to be reduced air bag by control chip controls air pump movement
Between, meanwhile, atomizer starting being realized to, humidity increases.
The embodiment of the present invention is by changing air bag space and changing the atomization condition of air bag come to the humidity and temperature in air bag
Degree is adjusted.
Wherein, when baroceptor detects that air pressure is lower in air bag, then the movement of chip controls air pump is controlled, it will be described
The volume of air bag reduces, and increases air pressure, is simultaneously stopped atomization；When baroceptor detects that air pressure is higher in air bag, then control
Chip controls air pump movement processed, the volume of the air bag is increased, and reduces air pressure, meanwhile, atomizer is by mist pipe to air bag
Pressure carry out adequate compensation.
Wherein, when sonic sensor detects that sound wave is lower, sonic generator 28 starts to act, and increases sound wave；In sound
When wave sensor detects that sound wave is higher, sonic generator 28 starts to act, and reduces sound wave.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of air detection instrument characterized by comprising cabinet further includes being arranged in the intracorporal air trapping unit of case, with
And it is arranged in the intracorporal air detector module of case, wherein
Outside air is collected and is transmitted to air detection list in cabinet, and according to preset flow velocity by the air trapping unit
Member, the air detector module carry out analysis detection to the air of collection；
The air trapping unit includes the negative-pressure air fan being arranged on cabinet one side, is fastened on the side of cabinet, also
Including being set in the airhood on negative-pressure air fan from box house, the airhood covers on negative-pressure air fan in it completely, so that
The gas of negative-pressure air fan sucking is completely into airhood, and the outlet end of the airhood is connected to the first air inlet pipe, first
The first regulating valve is provided in air inlet pipe, control air enters the flow velocity of air detector module；
The air detector module is arranged on the first transverse slat among cabinet, detects to various air indexes, air inspection
Survey unit in include several air detecting sensors and one control chip, several air detecting sensors respectively with control core
Piece connection；The second transverse slat is also set up above first transverse slat, one is arranged on the second transverse slat and adjusts unit, air is examined
The ambient enviroment for surveying unit is adjusted；
Symmetrical two air bags are provided on first transverse slat, the bottom of two air bags is pasted on bottom side plate, forms one
Air detecting sensors can be placed and control the plane of chip；Circuit board is provided in air bag, circuit board includes the air
Detection sensor and control chip are arranged the first conduit in the connecting pin of two air bags, are set by transfer wire and the external world
Standby to connect, two air bags bond together with the first conduit, to form sealing structure；It is arranged on the inner sidewall of the air bag
There are an at least pressure sensor, at least a humidity sensor, at least a temperature sensor and an at least sonic sensor, point
It is other that the air pressure of air bag, humidity, temperature and sound wave are detected, and will test result and be transmitted in control chip, the control
Chip is compared according to the level threshold value prestored, adjusts the environment parameter of air bag.
2. air detection instrument according to claim 1, which is characterized in that the control is arranged in middle section in the circuit board
Coremaking piece is handled the air detection result of each sensor, additionally it is possible to be adjusted to external equipment；
It further include the carbon monoxide transducer detected to carbonomonoxide concentration, the PM2.5 detected to PM2.5 is sensed
Device, to the ozone sensor that ozone is detected, to the nitrogen dioxide sensor that nitrogen dioxide is detected, to sulfur dioxide into
The SO 2 sensor of row detection, the formaldehyde sensor that PARA FORMALDEHYDE PRILLS(91,95) is detected.
3. air detection instrument according to claim 2, which is characterized in that also set up an exhaust fan on the circuit board, use
With control panel when the temperature is excessively high, cooled down by fan；
USB communication interface, power interface, screen interface, Temperature Humidity Sensor interface are additionally provided on the circuit board, to
With communicating with external device and input power.
4. air detection instrument according to claim 2, which is characterized in that it is also carved on the circuit board and is equipped with airflow channel,
Including entering the first airflow channel that circuit board is arranged from corresponding another base angle from side base angle, from the first airflow channel to
Second airflow channel of side arrangement, the third airflow channel arranged from the first airflow channel to the other side, each airflow channel
It is curved channel；
Wherein, the gas that first airflow channel flows through connects with PM2.5 sensor, formaldehyde sensor, nitrogen dioxide sensor
Logical, second airflow channel is connected to carbon monoxide transducer, and the third airflow channel is connected to SO 2 sensor.
5. air detection instrument according to claim 3, which is characterized in that a spray chamber is set in the air bag, in
Mist pipe is arranged in portion, is provided with the second conduit outside mist pipe, and to convey mist pipe, the second conduit and two air bags are viscous
Connect sealing；
Second conduit partially protrudes into mist pipe, also, an atomizer is arranged in the initial end of mist pipe, and passing through can
The mode of controlling temperature is atomized the moisture in it, and atomization in spray chamber.
6. air detection instrument according to claim 5, which is characterized in that the adjusting unit includes air pump, is arranged in gas
Flowmeter and outer protection pipeline on pump output terminal pipeline are provided with mist pipe and appendix in protection pipeline,
It is connect with protection pipeline by a connecting flange in air bag, there is air bag an extension end to be mounted on air bag by fastening screw
The two sides up and down of connecting flange.
7. air detection instrument according to claim 6, which is characterized in that temperature is lower than preset temperature in the air bag
When, the temperature sensor will test result and be transmitted in control chip, and control chip controls atomizer stops working, meanwhile,
Exhaust fan stop working, until temperature in the appropriate range；
When the temperature is excessively high, control chip controls atomizer stopping is atomized mist pipe, when temperature or it is excessively high when,
Temperature sensor will test result and be transmitted in control chip, and control chip controls air pump movement increases the volume of the air bag
Add, expands the heat dissipation area of air bag, heat is shed by way of thermal diffusion, meanwhile, heat emission fan is opened.
8. air detection instrument according to claim 6, which is characterized in that detected in the humidity sensor wet in air bag
When degree is higher than default humidity, control chip controls atomizer stops atomization, while controlling the movement of chip controls air pump, by the gas
The volume of capsule increases, and expands the heat dissipation area of air bag, by the side for reducing the temperature of air bag and the inner space of air bag simultaneously
Formula is dried, and heat emission fan is opened；
When humidity is lower than default humidity in the air bag, control chip controls air pump movement, by the volume-diminished of the air bag,
Reduce air bag space, meanwhile, atomizer starting being realized to, humidity increases.
9. air detection instrument according to claim 6, which is characterized in that be provided with the first adjusting in first air inlet pipe
Valve, control air enter the flow velocity of air detector module；The first air pump is also set up in the outlet end of first regulating valve,
The outlet end of first air pump is additionally provided with the second air inlet pipe, and the air in the first air pump is discharged into air detector module.
10. air detection instrument according to claim 6, which is characterized in that the acting flange includes being arranged in upper and lower two sides
Air bag connecting hole, and the screw hole opened up vertical with air bag connecting hole；It is also provided in the horizontal direction of connecting flange
For the wire guide that the second conduit passes through, and for protection appendix and the gas transmission pore that passes through of electric wire, the second conduit with
Appendix enters inside air bag after passing through connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670378.5A CN110286201B (en) | 2019-07-24 | 2019-07-24 | Air detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670378.5A CN110286201B (en) | 2019-07-24 | 2019-07-24 | Air detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110286201A true CN110286201A (en) | 2019-09-27 |
| CN110286201B CN110286201B (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910670378.5A Active CN110286201B (en) | 2019-07-24 | 2019-07-24 | Air detector |
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| CN (1) | CN110286201B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272344A (en) * | 2020-03-09 | 2020-06-12 | 上海方德自动化设备股份有限公司 | Battery leakage detector and detection method thereof |
| CN111289314A (en) * | 2020-04-16 | 2020-06-16 | 吕梁学院 | Detection sampling device for severe environment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05179922A (en) * | 1991-12-27 | 1993-07-20 | Japan Electron Control Syst Co Ltd | Detector of fuel concentration in blow-by gas |
| US6479019B1 (en) * | 1999-04-15 | 2002-11-12 | Quantum Group, Inc. | Sensor and sensor assembly for detecting a target gas in a breath sample |
| CN2935157Y (en) * | 2006-07-27 | 2007-08-15 | 河南汉威电子有限公司 | Gas collection apparatus of alcohol detector |
| CN203232020U (en) * | 2013-04-12 | 2013-10-09 | 启迪汇智建筑科技（北京）有限公司 | Indoor air quality detection device and system comprising same |
| CN206161622U (en) * | 2016-10-28 | 2017-05-10 | 尹延柏 | Air quality tester |
| CN109709269A (en) * | 2018-12-28 | 2019-05-03 | 朱玉玲 | A kind of portable air quality detector |
-
2019
- 2019-07-24 CN CN201910670378.5A patent/CN110286201B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05179922A (en) * | 1991-12-27 | 1993-07-20 | Japan Electron Control Syst Co Ltd | Detector of fuel concentration in blow-by gas |
| US6479019B1 (en) * | 1999-04-15 | 2002-11-12 | Quantum Group, Inc. | Sensor and sensor assembly for detecting a target gas in a breath sample |
| CN2935157Y (en) * | 2006-07-27 | 2007-08-15 | 河南汉威电子有限公司 | Gas collection apparatus of alcohol detector |
| CN203232020U (en) * | 2013-04-12 | 2013-10-09 | 启迪汇智建筑科技（北京）有限公司 | Indoor air quality detection device and system comprising same |
| CN206161622U (en) * | 2016-10-28 | 2017-05-10 | 尹延柏 | Air quality tester |
| CN109709269A (en) * | 2018-12-28 | 2019-05-03 | 朱玉玲 | A kind of portable air quality detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272344A (en) * | 2020-03-09 | 2020-06-12 | 上海方德自动化设备股份有限公司 | Battery leakage detector and detection method thereof |
| CN111289314A (en) * | 2020-04-16 | 2020-06-16 | 吕梁学院 | Detection sampling device for severe environment |
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|---|---|
| CN110286201B (en) | 2020-03-13 |
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