CN211061278U - Air sampling device of vehicle-mounted air analysis equipment - Google Patents
Air sampling device of vehicle-mounted air analysis equipment Download PDFInfo
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- CN211061278U CN211061278U CN201921992064.9U CN201921992064U CN211061278U CN 211061278 U CN211061278 U CN 211061278U CN 201921992064 U CN201921992064 U CN 201921992064U CN 211061278 U CN211061278 U CN 211061278U
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Abstract
The utility model relates to an air sampling device of vehicle-mounted air analysis equipment, belonging to the field of environmental monitoring; an air sampling device of a vehicle-mounted air analysis device is provided; the technical scheme is as follows: the utility model provides an air sampling device of vehicular air analysis equipment, air sampling device of vehicular air analysis equipment sets up on the car, vehicular air analysis equipment includes: the device comprises a negative pressure pumping module, a gas collecting module and a gas flow control module; the gas flow control module is communicated with the external atmosphere of the vehicle body, the gas flow control module is communicated with the gas collecting ports of the plurality of gas collecting modules, and the negative pressure air pumping module is communicated with the negative pressure air pumping ports of the plurality of gas collecting modules.
Description
Technical Field
The utility model relates to a vehicular air analysis equipment's air sampling device belongs to the environmental monitoring field, concretely relates to air quality monitoring devices.
Background
In recent years, the requirement on air quality in China is gradually improved, and the function of the air sampler is gradually highlighted. The air sample collected by the air sampler is directly related to the measurement of the air quality, so the sample collection accuracy of the air sampler has direct influence on the later air quality judgment and the air environment management.
The conventional air sampler mainly collects samples for multiple times instantaneously, and then calculates an average value as an air quality result through detecting the samples. For cities, the air quality monitoring method can only simply monitor the air quality at a fixed point (monitoring point), and the air quality at the monitoring point changes greatly and is different from the actual air quality of the city due to various influences. In addition, air quality difference is more obvious in different positions in cities, particularly in lanes due to the influence of factors such as shops, restaurants and the like.
Meanwhile, in recent years, environmental protection is more important, and the state requires restaurants and the like to treat and discharge waste gas, but the tail gas treatment equipment of the actual restaurants has equipment failure, and internal equipment is not replaced at regular time or even is basically in an off-stream state. The tail gas of a plurality of restaurants is directly discharged after being treated and does not reach the standard, and the influence on the environment is serious.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a vehicular air analysis equipment's air sampling device.
In order to achieve the technical purpose, the utility model provides a technical scheme does:
the utility model provides an air sampling device of vehicular air analysis equipment, air sampling device of vehicular air analysis equipment sets up on the car, vehicular air analysis equipment includes: the device comprises a negative pressure pumping module, a gas collecting module and a gas flow control module; the gas flow control module is communicated with the atmosphere outside the vehicle body, the gas flow control module is communicated with the gas collecting ports of the plurality of gas collecting modules, and the negative pressure pumping module is communicated with the negative pressure pumping ports of the plurality of gas collecting modules;
the gas collection module includes: the device comprises a negative pressure box, a gas collection bag, an electromagnetic valve A and an electromagnetic valve B; the electromagnetic valve A is communicated with a gas collection bag, the gas collection bag is arranged in a negative pressure box, and the negative pressure box is sequentially communicated with the electromagnetic valve B and a negative pressure air extraction module;
the negative pressure air exhaust module comprises: a gas collection pipe and a flow electromagnetic valve; one end of the gas collecting pipe is arranged outside the carriage, the other end of the gas collecting pipe is arranged in the carriage, the other end of the gas collecting pipe is communicated with the flow electromagnetic valve, and the flow electromagnetic valve is communicated with the electromagnetic valves A through the gas inlet pipe.
The gas flow control module includes: the device comprises an exhaust fan, a singlechip, a gas pressure sensor, a gas flow sensor, a GPS speed sensor and a power supply; the single chip microcomputer is respectively and electrically connected with the electromagnetic valves A and B, the gas pressure sensor, the gas flow sensor, the GPS speed sensor and the flow electromagnetic valve of the plurality of gas acquisition modules;
the exhaust fan is communicated with the plurality of electromagnetic valves B through an exhaust pipe, the gas pressure sensor is arranged on the exhaust pipe, the gas flow sensor is arranged on the gas inlet pipe, and the GPS speed sensor is arranged on the vehicle
The gas collecting pipe is of a tubular structure with an opening at one end, a plurality of gas inlet holes are formed in the pipe wall of the gas collecting pipe, which is positioned on the outer side of the vehicle body, and filter screens are arranged on the gas inlet holes.
The exhaust fan is driven by a stepping motor, and the stepping motor is electrically connected with the single chip microcomputer through a controller.
The gas flow control module further comprises: the display screen and the key module are respectively and electrically connected with the single chip microcomputer.
Compared with the prior art, the utility model following beneficial effect has:
one, the utility model discloses the operation is according to the speed of sampling car, and the air collection speed of control gas collection module can realize guaranteeing that the air collection sample on this street is accurate to the air collection air at the uniform velocity on a street, stops other factor influences of sampling point, guarantees simultaneously that this street air collection wide range, sample are abundant.
Two, the utility model discloses an air exhauster realizes forming stable air negative pressure to the negative-pressure tank, ensures that the gaseous collection bag is external to be gathered aerodynamic and is stable, and then the singlechip of being convenient for reaches the purpose according to speed of a motor vehicle control air sampling speed according to speed of a motor vehicle control flow solenoid valve.
Thirdly, the utility model discloses a gas acquisition pipe passes through the inlet port sampling, and has the filter screen, prevents that objects such as scraps of paper, plastic bag in the air from blockking up the body, and in addition, a plurality of inlet ports can normally work after partial gas pocket blocks up.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the utility model discloses gas acquisition pipe cross-sectional view.
Fig. 3 is a partially enlarged schematic view of the present invention.
Fig. 4 is a schematic circuit diagram of the present invention.
In the figure: the device comprises a negative pressure air suction module 1, a gas collection module 2, a gas flow control module 3, a gas collection pipe 11, a flow electromagnetic valve 12, a negative pressure box 21, a gas collection bag 22, an electromagnetic valve A23, an electromagnetic valve B24, an exhaust fan 31, a single chip microcomputer 32, a gas pressure sensor 33, a gas flow sensor 34, a GPS speed sensor 36 and a power supply 35.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the following examples and embodiments, taken in conjunction with the accompanying drawings:
as shown in fig. 1 to 4: the utility model relates to a vehicular air analysis equipment's air sampling device, vehicular air analysis equipment's air sampling device sets up on the car, vehicular air analysis equipment includes: the device comprises a negative pressure pumping module 1, a gas collecting module 2 and a gas flow control module 3; the gas flow control module 3 is communicated with the atmosphere outside the vehicle body, the gas flow control module 3 is communicated with the gas collecting ports of the plurality of gas collecting modules 2, and the negative pressure pumping module 1 is communicated with the negative pressure pumping ports of the plurality of gas collecting modules 2;
the gas collection module 2 includes: the negative pressure box 21, the gas collection bag 22, the electromagnetic valve A23 and the electromagnetic valve B24; the electromagnetic valve A23 is communicated with the gas collection bag 22, the gas collection bag 22 is arranged in the negative pressure box 21, and the negative pressure box 21 is communicated with the electromagnetic valve B24 and the negative pressure air extraction module 1 in sequence;
the negative pressure air exhaust module 1 comprises: a gas collection pipe 11 and a flow electromagnetic valve 12; one end of the gas collection pipe 11 is arranged outside the carriage, the other end of the gas collection pipe 11 is arranged in the carriage, the other end of the gas collection pipe 11 is communicated with the flow electromagnetic valve 12, and the flow electromagnetic valve 12 is communicated with the electromagnetic valves A23 through the gas inlet pipe.
The gas flow control module 3 includes: an exhaust fan 31, a singlechip 32, a gas pressure sensor 33, a gas flow sensor 34, a GPS speed sensor 36 and a power supply 35; the single chip microcomputer 32 is electrically connected with the electromagnetic valves A23 and B24 of the gas acquisition modules 2, the gas pressure sensor 33, the gas flow sensor 34, the GPS speed sensor 36 and the flow electromagnetic valve 12 respectively;
the exhaust fan 31 is communicated with a plurality of electromagnetic valves B5 through an exhaust pipe, the gas pressure sensor 33 is arranged on the exhaust pipe, the gas flow sensor 34 is arranged on the gas inlet pipe, and the GPS speed sensor 36 is arranged on the vehicle.
The gas collecting pipe 11 is of a tubular structure with an opening at one end, a plurality of gas inlets are formed in the pipe wall of the gas collecting pipe 11, which is located on the outer side of the vehicle body, and filter screens are arranged on the gas inlets.
The exhaust fan 31 is driven by a stepping motor, and the stepping motor is electrically connected with the singlechip 32 through a controller.
The gas flow control module 3 further includes: display screen and button module, display screen and button module are respectively with singlechip 32 electrical connection.
The exhaust fan 31 comprises fan blades, a stepping motor coaxially and fixedly connected with the fan blades and a shell.
The single-chip microcomputer 32 adopts a 51-series single-chip microcomputer.
The gas pressure sensor 33 adopts a JY-P300 series high-precision gas pressure sensor.
The gas flow sensor 34 is a vortex shedding flowmeter.
The flow electromagnetic valve 12 is an MFC small-range gas mass flow controller sold by Dexin electronic technology Limited, Dongguan.
The utility model discloses provide the collection car speed of a motor vehicle according to GPS speed sensor, and then control flow solenoid valve 12, when the speed of a motor vehicle is fast, flow solenoid valve 12 control flow is great, and the speed of a motor vehicle is when slow, and flow solenoid valve 12 control flow is less, realizes even, wide range, accurate collection air, and then whether the detection air is qualified.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (5)
1. The utility model provides a vehicular air analysis equipment's air sampling device, its characterized in that, vehicular air analysis equipment's air sampling device sets up on the car, vehicular air analysis equipment includes: the device comprises a negative pressure air extraction module (1), a gas collection module (2) and a gas flow control module (3); the gas flow control module (3) is communicated with the atmosphere outside the vehicle body, the gas flow control module (3) is communicated with the gas collecting ports of the plurality of gas collecting modules (2), and the negative pressure air pumping module (1) is communicated with the negative pressure air pumping ports of the plurality of gas collecting modules (2);
the gas collection module (2) comprises: a negative pressure box (21), a gas collection bag (22), an electromagnetic valve A (23) and an electromagnetic valve B (24); the electromagnetic valve A (23) is communicated with the gas collection bag (22), the gas collection bag (22) is arranged in the negative pressure box (21), and the negative pressure box (21) is communicated with the electromagnetic valve B (24) and the negative pressure air extraction module (1) in sequence;
the negative pressure air extraction module (1) comprises: a gas collection pipe (11) and a flow electromagnetic valve (12); one end of the gas collection pipe (11) is arranged outside the carriage, the other end of the gas collection pipe (11) is arranged in the carriage, the other end of the gas collection pipe (11) is communicated with the flow electromagnetic valve (12), and the flow electromagnetic valve (12) is communicated with the electromagnetic valves A (23) through the gas inlet pipe.
2. The air sampling device of the vehicle-mounted air analysis apparatus according to claim 1, characterized in that: the gas flow control module (3) comprises: the device comprises an exhaust fan (31), a singlechip (32), a gas pressure sensor (33), a gas flow sensor (34), a GPS speed sensor (36) and a power supply (35); the single chip microcomputer (32) is respectively and electrically connected with the electromagnetic valves A (23) and B (24), the gas pressure sensor (33), the gas flow sensor (34), the GPS speed sensor (36) and the flow electromagnetic valve (12) of the gas acquisition modules (2);
air exhauster (31) are through exhaust column and a plurality of solenoid valve B (24) intercommunication, gas pressure sensor (33) set up on the exhaust column, gas flow sensor (34) set up in the intake pipe, GPS speedtransmitter (36) are installed on the car.
3. The air sampling device of the vehicle-mounted air analysis apparatus according to claim 2, characterized in that: the gas collecting pipe (11) is of a tubular structure with an opening at one end, a plurality of gas inlet holes are formed in the pipe wall of the gas collecting pipe (11) located on the outer side of the vehicle body, and filter screens are arranged on the gas inlet holes.
4. The air sampling device of the vehicle-mounted air analysis apparatus according to claim 2 or 3, characterized in that: the exhaust fan (31) is driven by a stepping motor, and the stepping motor is electrically connected with the single chip microcomputer (32) through a controller.
5. The air sampling device of the vehicle-mounted air analysis apparatus according to claim 4, characterized in that: the gas flow control module (3) further comprises: the display screen and the key module are respectively and electrically connected with the single chip microcomputer (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921992064.9U CN211061278U (en) | 2019-11-18 | 2019-11-18 | Air sampling device of vehicle-mounted air analysis equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921992064.9U CN211061278U (en) | 2019-11-18 | 2019-11-18 | Air sampling device of vehicle-mounted air analysis equipment |
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| Publication Number | Publication Date |
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| CN211061278U true CN211061278U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921992064.9U Active CN211061278U (en) | 2019-11-18 | 2019-11-18 | Air sampling device of vehicle-mounted air analysis equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459831A (en) * | 2021-12-31 | 2022-05-10 | 天津津普利环保科技股份有限公司 | Multi-channel gas sampling and measuring method with flow control function |
-
2019
- 2019-11-18 CN CN201921992064.9U patent/CN211061278U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459831A (en) * | 2021-12-31 | 2022-05-10 | 天津津普利环保科技股份有限公司 | Multi-channel gas sampling and measuring method with flow control function |
| CN114459831B (en) * | 2021-12-31 | 2023-08-08 | 天津津普利环保科技股份有限公司 | Multichannel gas sampling measurement method with flow control |
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