CN110988273A - Automatic tail gas detection device - Google Patents
Automatic tail gas detection device Download PDFInfo
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- CN110988273A CN110988273A CN201911377916.8A CN201911377916A CN110988273A CN 110988273 A CN110988273 A CN 110988273A CN 201911377916 A CN201911377916 A CN 201911377916A CN 110988273 A CN110988273 A CN 110988273A
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- tail gas
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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
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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
- G01N33/0032—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00722—Communications; Identification
- G01N35/00871—Communications between instruments or with remote terminals
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses an automatic tail gas detection device, which comprises: the device comprises a tail gas collecting pipe, a tail gas detection module, a processor module, a vertical moving mechanism, a horizontal walking mechanism, an ultrasonic distance measuring module and an exhaust port infrared thermal imaging module, wherein one end of the tail gas collecting pipe is connected with the vertical moving mechanism, and the other end of the tail gas collecting pipe is connected with the tail gas detection module. According to the invention, the position information of the automobile exhaust port is obtained by utilizing infrared thermal imaging, the relative position information of the automobile exhaust port is obtained by ultrasonic detection, the tail gas collecting pipe extends into the automobile exhaust pipe by the movement of the horizontal traveling mechanism and the vertical moving mechanism, and the tail gas is introduced into the tail gas detection module, so that the detection of the components and the concentration of the tail gas is realized. The invention can automatically detect the exhaust emission of the vehicle and reduce manual operation.
Description
Technical Field
The invention relates to motor vehicle exhaust detection, in particular to an exhaust detection device with infrared thermal imaging.
Background
With the increasing number of automobiles, the pollution problem caused by the emission of automobile exhaust becomes more serious, and the automobile exhaust becomes one of the main pollution sources in the atmosphere, which brings serious influence on the life and health of people. The main pollutants of the automobile exhaust comprise CO, HC and oxynitride, the detection of the automobile exhaust is enhanced, and the method is an important ring for solving the problem of exhaust pollution in a targeted manner. When examining automobile exhaust at present, need insert certain degree of depth in the automobile exhaust pipe with tail gas analysis appearance sampling tube, carry out automobile testing in succession, then the high concentration harmful gas in the automobile exhaust can cause the injury on the health to the testing personnel.
Chinese patent 201810221240.2 discloses a gas detection system and method based on unmanned aerial vehicle, which utilizes images to identify the gas discharge position of chimney, ship, etc. and plan the collection path and area. However, this is not applicable to a situation where the exhaust port of the vehicle is close to the ground and needs to be inserted into the exhaust pipe for detection. In researches such as a transformer substation inspection robot navigation positioning method based on light tracking and infrared image calibration (congratulatory ferrography and the like), a transformer substation inspection robot system design based on STM32 (Lixiang and the like), and the like, an infrared imaging technology is utilized to obtain navigation and positioning signals, but the method is not applied to the field of target detection in a fixed space.
Disclosure of Invention
The invention aims to provide an automatic tail gas detection device, which aims to increase the working efficiency and reduce the working intensity of detection personnel and the damage of automobile tail gas to the bodies of the detection personnel.
In order to achieve the purpose, the invention adopts the following technical scheme:
the tail gas detection device comprises a tail gas collecting pipe, a tail gas detection module, a processor module, a display component for outputting a tail gas detection result, and a vertical moving mechanism, a horizontal walking mechanism, an ultrasonic distance measurement module and an exhaust port infrared thermal imaging module which are connected with the processor module, wherein the processor module, the ultrasonic distance measurement module, the exhaust port infrared thermal imaging module, the tail gas detection module, the tail gas collecting pipe and the vertical moving mechanism are arranged on the horizontal walking mechanism, one end of the tail gas collecting pipe is connected with the vertical moving mechanism, and the other end of the tail gas collecting pipe is connected with the tail gas detection module.
Preferably, the horizontal walking mechanism comprises a loading platform and a wheel type driving system connected with the loading platform, and the wheel type driving system is connected with the processor module.
Preferably, the tail gas collecting pipe is a flexible pipe.
Preferably, the tail gas collecting pipe is made of polyimide and other heat-stable materials.
Preferably, the vertical moving mechanism comprises a supporting column, an adjusting motor, a belt and a fixing piece, two rollers which can synchronously rotate under the transmission of the belt are arranged on the supporting column, one of the rollers is connected with the adjusting motor, the fixing piece is arranged on the belt and connected with the tail gas collecting pipe, and the adjusting motor is connected with the processor module.
Preferably, the processor module receives an automobile exhaust port image acquired by the exhaust port infrared thermal imaging module as position information, and receives corresponding distance information (distance between the horizontal walking mechanism and the automobile) generated by the ultrasonic ranging module at the time of acquiring the image (automobile exhaust port image), so that an electric signal (PWM) is generated according to the position information and the corresponding distance information, and the horizontal walking mechanism and the vertical moving mechanism adjust the position of the exhaust gas acquisition pipe until the exhaust gas acquisition pipe enters the automobile exhaust pipe.
Preferably, the tail gas detection module includes that tail gas holds chamber, particle detector, gas composition detector and wireless signal transmitter, and particle detector, gas composition detector all set up and hold the intracavity at tail gas, and tail gas holds the chamber and links to each other with tail gas acquisition pipe, and particle detector, gas composition analyzer can detect the composition and the concentration of tail gas to send away through wireless signal transmitter.
Preferably, the exhaust gas accommodating cavity is provided with a one-way overflow valve for allowing gas (for example, exhaust gas) to flow from the exhaust gas accommodating cavity to the outside.
Preferably, the display component is selected from a PC client, a tablet computer or a mobile phone capable of wirelessly communicating with the exhaust gas detection module.
The invention has the beneficial effects that:
according to the tail gas detection device, the position information of the automobile exhaust port is obtained by utilizing infrared thermal imaging, the relative position information of the tail gas detection device is obtained by ultrasonic detection, the tail gas collection pipe extends into the automobile exhaust pipe by the movement of the horizontal travelling mechanism and the vertical moving mechanism, the tail gas is introduced into the tail gas detection module, the detection of the components and the concentration of the tail gas is realized, and the detection result is output by the display component. The invention has the advantages of automatically detecting the exhaust emission of the vehicle, reducing manual operation and reducing the harm of the exhaust to the body of a detector during detection.
Drawings
FIG. 1 is a schematic structural diagram of an automobile exhaust gas detection device according to an embodiment of the present invention;
FIG. 2 is a block diagram of a control system of the automobile exhaust gas detection device;
in the figure: 1. the device comprises a traveling mechanism, 2, a tail gas detection module, 3, an air inlet hose, 4, an adjusting motor, 5, an ultrasonic radar, 6, a support column, 7, a belt, 8, a hose fixing piece, 9, a roller and 10, and an infrared thermal imager.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples, which are provided for illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the automobile exhaust detection device provided by the invention comprises a travelling mechanism 1, an exhaust detection module 2, an air inlet hose 3, a hose vertical moving mechanism, an STM32 processor module, an infrared thermal imaging detection module and an ultrasonic detection module.
The traveling mechanism 1 comprises an object carrying platform with a four-wheel drive system, left and right wheels of the four-wheel drive system are driven by respective motors, steering is carried out by utilizing a rotating speed difference, the object carrying platform is moved from front to back and from left to right in the horizontal direction by utilizing the four-wheel drive system, a tail gas detection device can be conveniently close to an automobile exhaust port when automobile tail gas is detected, a power motor of the four-wheel drive system is controlled by a driving signal output by an STM32 processor module, and traveling, steering and braking control of the traveling mechanism 1 are realized.
The rear end of the air inlet hose 3 is connected with the tail gas detection module 2, and the front end of the air inlet hose 3 is connected with the hose vertical moving mechanism. The air inlet hose 3 is a flexible pipe made of polyimide materials, so that the front end of the air inlet hose 3 can be inserted into an exhaust port along the track of the irregular circular arc section of the automobile exhaust pipe more conveniently. Meanwhile, the polyimide material can ensure that the air inlet hose 3 can work for a long time under the condition of high-temperature automobile exhaust.
The vertical moving mechanism of hose includes accommodate motor 4, support column 6, belt 7 and hose mounting 8, accommodate motor 4 and support column 6 are relative installs on cargo platform's front end, install two cylinder 9 of interval arrangement from top to bottom on the support column 6, wherein, the cylinder 9 of downside links to each other with accommodate motor 4's output shaft, the cylinder 9 of upside and the cylinder 9 parcel of downside are inside belt 7, can synchronous rotation, accommodate motor 4's direction of rotation and angle are controlled by the drive signal of STM32 processor module output. Hose mounting 8's one end horizontal installation is on the surface at the belt 7 of above-mentioned two cylinder 9 tensionings, the fixed orifices has been seted up to the other end (towards adjusting motor 4) that hose mounting 8 stretches out belt 7, the front end of air inlet hose 3 passes this fixed orifices, thereby can drive air inlet hose 3's front end synchronous motion when hose mounting 8 moves from top to bottom along with belt 7, when air inlet hose 3's front end stretches into the car gas vent, hose mounting 8 can also play the effect of anticreep, support column 6 itself can make the belt 7 of the vertical moving mechanism of hose, hose mounting 8, cylinder 9 remains stable on running gear 1.
Infrared thermal imaging detection module is including installing the infrared thermal imager 10 at support column 6 top, infrared thermal imager 10 is used for gathering the image signal (as positional information) of gas vent, and give ADC sampling unit image signal transmission, then handle the back through STM32 processor module, send control signal by PWM output unit, thereby drive running gear 1 and the motor rotation of the vertical moving mechanism of hose, running gear 1 and the vertical moving mechanism of hose remove air intake hose 3 to the vehicle vent-pipe under the drive of motor. In the processing of the STM32 processor module, the infrared thermal imaging image of the exhaust port moving by the walking mechanism 1 is intermittently acquired by mainly referring to a pre-calibrated standard image (parameters comprise the distance between the walking mechanism and the automobile, the position of the exhaust port in the image and the like) until the acquired image is matched with the standard image.
The ultrasonic detection module comprises an ultrasonic radar 5 installed on a regulating motor 4, detects the distance between the walking mechanism 1 and an automobile, and transmits the distance to the STM32 processor module through the ADC sampling unit. In addition, when the detected distance is less than the set distance, the STM32 processor module makes an alarm sound by using the alarm unit and brakes the travelling mechanism 1.
Aiming at manual control, a person operates the travelling mechanism 1 and the adjusting motor 4 according to operation experience and by combining infrared imaging images and distance measurement information, and detection signals and control commands are transmitted through a wireless communication channel established between an STM32 processor module and a manual control end.
Tail gas detection module 2 includes that tail gas holds chamber, particle detector, gaseous composition detector and radio signal transmitter, particle detector, gaseous composition detector all set up and hold the chamber (tail gas holds the chamber and sets up on the cargo platform rear end, and 3 rear ends of air inlet hose are connected to tail gas and hold the chamber) the inside at tail gas, and particle detector, gaseous composition analyzer can detect the composition and the concentration of tail gas. The tail gas holds and is provided with the one-way overflow valve on the chamber, and the one-way overflow valve allows gaseous by the tail gas holds the chamber and flows to the external world, sets up the one-way overflow valve and can prevent that the tail gas from holding the intracavity pressure when too big, destroys the structure that the chamber was held to tail gas to guarantee 2 life of tail gas detection module.
The flow of the device for detecting the automobile exhaust is as follows:
1) after the automobile is stopped stably, the device approaches the automobile through the moving position, position information is generated by the infrared thermal imager 10 aiming at the position of an exhaust port of the automobile, and the walking mechanism 1 and the hose vertical moving mechanism are controlled after the position information is analyzed and processed by the STM32 processing module, so that the air inlet hose 3 extends into an exhaust pipe of the automobile after being adjusted;
wherein, when the vertical moving mechanism of hose during operation, adjusting motor 4 drives the cylinder 9 of downside and rotates, and cylinder 9 drives the motion of belt 7 and makes hose mounting 8 remove in the vertical direction to it reciprocates in order to be close the car gas vent to drive air intake hose 3.
2) Automobile exhaust gets into tail gas detection module 2 through air inlet hose 3, and tail gas detection module 2 detects automobile exhaust's composition and concentration, then sends the testing result to display element (for example, PC customer end, panel computer or cell-phone) through wireless communication mode, and the data that tail gas detected is looked over to testing personnel accessible display element to whether reach standard in convenient understanding exhaust emissions.
3) After detection is finished, the device is far away from the automobile through the moving position, so that the air inlet hose 3 is separated, then the automobile drives away, and the next automobile continues to carry out tail gas detection according to the steps.
Claims (9)
1. The utility model provides a tail gas detection device which characterized in that: the tail gas detection device comprises a tail gas collecting pipe, a tail gas detection module (2), a processor module, a display component for outputting a tail gas detection result, and a vertical moving mechanism, a horizontal walking mechanism (1), an ultrasonic distance measurement module and an exhaust port infrared thermal imaging module which are connected with the processor module, wherein the processor module, the ultrasonic distance measurement module, the exhaust port infrared thermal imaging module, the tail gas detection module (2), the tail gas collecting pipe and the vertical moving mechanism are arranged on the horizontal walking mechanism, one end of the tail gas collecting pipe is connected with the vertical moving mechanism, and the other end of the tail gas collecting pipe is connected with the tail gas detection module (2).
2. The exhaust gas detection apparatus according to claim 1, characterized in that: the horizontal walking mechanism comprises a loading platform and a wheel type driving system connected with the loading platform, and the wheel type driving system is connected with the processor module.
3. The exhaust gas detection apparatus according to claim 1, characterized in that: the tail gas collecting pipe is a flexible pipe.
4. The exhaust gas detection apparatus according to claim 1, characterized in that: the tail gas collecting pipe is made of a thermal stable material.
5. The exhaust gas detection apparatus according to claim 1, characterized in that: the vertical moving mechanism comprises a supporting column (6), an adjusting motor (4), a belt (7) and a fixing piece, wherein two rollers (9) which can synchronously rotate under the transmission of the belt (7) are arranged on the supporting column (6), one of the rollers (9) is connected with the adjusting motor (4), the fixing piece is arranged on the belt (7), the fixing piece is connected with a tail gas collecting pipe, and the adjusting motor (4) is connected with a processor module.
6. The exhaust gas detection apparatus according to claim 1, characterized in that: the processor module receives an automobile exhaust port image collected by the exhaust port infrared thermal imaging module as position information and receives distance information collected by an image generated by the ultrasonic ranging module, so that an electric signal is generated according to the position information and the corresponding distance information, and the horizontal travelling mechanism and the vertical moving mechanism adjust the position of the exhaust gas collecting pipe until the exhaust gas collecting pipe enters the automobile exhaust pipe.
7. The exhaust gas detection apparatus according to claim 1, characterized in that: tail gas detection module (2) hold chamber, particle detector and gaseous composition detector including tail gas, and particle detector, gaseous composition detector all set up and hold the intracavity at tail gas, and tail gas holds the chamber and links to each other with tail gas collection pipe.
8. The exhaust gas detection apparatus according to claim 7, wherein: and the tail gas containing cavity is provided with a one-way overflow valve which allows gas to flow from the tail gas containing cavity to the outside.
9. The exhaust gas detection apparatus according to claim 1, characterized in that: the display component is selected from a PC client, a tablet computer or a mobile phone which can be in wireless communication with the tail gas detection module (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377916.8A CN110988273A (en) | 2019-12-27 | 2019-12-27 | Automatic tail gas detection device |
| AU2020102882A AU2020102882A4 (en) | 2019-12-27 | 2020-10-20 | Automatic exhaust gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377916.8A CN110988273A (en) | 2019-12-27 | 2019-12-27 | Automatic tail gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110988273A true CN110988273A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911377916.8A Pending CN110988273A (en) | 2019-12-27 | 2019-12-27 | Automatic tail gas detection device |
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| Country | Link |
|---|---|
| CN (1) | CN110988273A (en) |
| AU (1) | AU2020102882A4 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596284A (en) * | 2020-05-12 | 2020-08-28 | 河海大学常州校区 | Three-dimensional space positioning device and method based on thermal imaging technology |
| CN111693566A (en) * | 2020-05-12 | 2020-09-22 | 江苏理工学院 | Automobile exhaust detection device and detection method based on infrared thermal imaging technology |
| CN111693567A (en) * | 2020-05-12 | 2020-09-22 | 江苏理工学院 | Automobile exhaust detection device and detection method based on thermal imaging positioning |
| CN112649570A (en) * | 2020-12-11 | 2021-04-13 | 河海大学 | Tail gas detection device and method based on infrared thermal imaging double vision and ultrasonic positioning |
| CN112798552A (en) * | 2020-12-30 | 2021-05-14 | 安徽宝龙环保科技有限公司 | Tail gas remote measuring system and method |
| CN112834235A (en) * | 2020-12-31 | 2021-05-25 | 安徽宝龙环保科技有限公司 | Vehicle exhaust detection method and device, computer equipment and readable storage medium |
| CN116929862A (en) * | 2023-07-18 | 2023-10-24 | 北京博科测试***股份有限公司 | Automatic detection system and detection method for automobile exhaust |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280270B (en) * | 2021-12-22 | 2024-03-15 | 山西三合盛智慧科技股份有限公司 | Intelligent gas detection robot for coal mine based on image recognition |
| CN117434140B (en) * | 2023-12-21 | 2024-02-27 | 江苏环保产业技术研究院股份公司 | VOCs detection equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596284A (en) * | 2020-05-12 | 2020-08-28 | 河海大学常州校区 | Three-dimensional space positioning device and method based on thermal imaging technology |
| CN111693566A (en) * | 2020-05-12 | 2020-09-22 | 江苏理工学院 | Automobile exhaust detection device and detection method based on infrared thermal imaging technology |
| CN111693567A (en) * | 2020-05-12 | 2020-09-22 | 江苏理工学院 | Automobile exhaust detection device and detection method based on thermal imaging positioning |
| CN111693567B (en) * | 2020-05-12 | 2023-04-28 | 江苏理工学院 | Automobile exhaust detection device and detection method based on thermal imaging positioning |
| CN111693566B (en) * | 2020-05-12 | 2023-04-28 | 江苏理工学院 | Automobile exhaust detection device and detection method based on infrared thermal imaging technology |
| CN111596284B (en) * | 2020-05-12 | 2023-09-01 | 河海大学常州校区 | Three-dimensional space positioning device and method based on thermal imaging technology |
| CN112649570A (en) * | 2020-12-11 | 2021-04-13 | 河海大学 | Tail gas detection device and method based on infrared thermal imaging double vision and ultrasonic positioning |
| CN112798552A (en) * | 2020-12-30 | 2021-05-14 | 安徽宝龙环保科技有限公司 | Tail gas remote measuring system and method |
| CN112834235A (en) * | 2020-12-31 | 2021-05-25 | 安徽宝龙环保科技有限公司 | Vehicle exhaust detection method and device, computer equipment and readable storage medium |
| CN116929862A (en) * | 2023-07-18 | 2023-10-24 | 北京博科测试***股份有限公司 | Automatic detection system and detection method for automobile exhaust |
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| Publication number | Publication date |
|---|---|
| AU2020102882A4 (en) | 2020-12-17 |
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Application publication date: 20200410 |