CN109283593A - Vehicle chassis detection system and vehicle chassis detection method - Google Patents
Vehicle chassis detection system and vehicle chassis detection method Download PDFInfo
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- CN109283593A CN109283593A CN201811415690.1A CN201811415690A CN109283593A CN 109283593 A CN109283593 A CN 109283593A CN 201811415690 A CN201811415690 A CN 201811415690A CN 109283593 A CN109283593 A CN 109283593A
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- 238000001514 detection method Methods 0.000 title claims abstract description 65
- 230000005855 radiation Effects 0.000 claims abstract description 121
- 238000005259 measurement Methods 0.000 claims abstract description 108
- 238000012545 processing Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 11
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 22
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 11
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 11
- 239000000460 chlorine Substances 0.000 claims description 11
- 229910052801 chlorine Inorganic materials 0.000 claims description 11
- 239000002360 explosive Substances 0.000 claims description 11
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 10
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 69
- 238000003331 infrared imaging Methods 0.000 description 13
- 238000012546 transfer Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- General Physics & Mathematics (AREA)
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of vehicle chassis detection system and vehicle chassis detection methods.The vehicle chassis detection system includes: information acquisition module, and information acquisition module includes the first visible images acquisition unit, gas measurement unit and actinometry unit；Identity information acquisition module, for acquiring the identity information of vehicle；Control module；And message processing module, message processing module and each of information acquisition module and identity information acquisition module communication connection, for transferring the vehicle chassis history image of storage according to identity information and matching the first visible images with vehicle chassis history image to identify whether with the presence of foreign matter, the risk of foreign matter is judged according to gas concentration and radiation intensity when there are foreign matter, when concentration is more than or equal to preset concentration or radiation intensity is more than or equal to default radiation intensity, judge that foreign matter has risk.The vehicle chassis detection system has many advantages, such as that recognition efficiency is high, recognition accuracy is high.
Description
Technical field
The present invention relates to vehicle chassis detection system and vehicle chassis detection methods.
Background technique
As automobile is more more and more universal in daily life, vehicle safety problem is increasingly valued by people.Especially
It is the chassis of automobile, due to its unique crypticity, is often utilized by criminal, such as hides bomb on the chassis of automobile
Deng.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention the
On the one hand a kind of vehicle chassis detection system is proposed.
Vehicle chassis detection system according to an embodiment of the present invention includes: information acquisition module, the information acquisition module
Including the first visible images acquisition unit of the first visible images for acquiring vehicle chassis, the kind for measuring gas
The gas measurement unit of class and concentration and actinometry unit for measuring radiation wavelength and radiation intensity；Identity information acquisition
Module, for acquiring the identity information of vehicle, the identity information includes at least one of license board information and vehicle model information；Control
Molding block, the control module include the first visible images acquisition unit controller, gas measurement unit controller, radiation survey
Measure cell controller and identity information acquisition module controller, the first visible images acquisition unit controller and described the
One visible images acquisition unit is connected to control the opening and closing of the first visible images acquisition unit, the gas
Bulk measurement cell controller is connected to control the opening and closing of the gas measurement unit, institute with the gas measurement unit
Actinometry cell controller is stated to be connected with the actinometry unit so that control the actinometry unit beats on and off
It closes, the identity information acquisition module controller is connected to control the identity information and adopt with the identity information acquisition module
Collect the opening and closing of module；And message processing module, the message processing module and the information acquisition module and the body
Each of part information acquisition module communication connection, for transferring the vehicle chassis history figure of storage according to the identity information
As and first visible images are matched with the vehicle chassis history image to identify whether to have foreign matter to deposit
The risk of foreign matter is being judged according to the gas concentration and the radiation intensity when there are foreign matter, when the concentration is greater than
When being more than or equal to default radiation intensity equal to preset concentration or the radiation intensity, then judge that foreign matter has risk.
Vehicle chassis detection system according to an embodiment of the present invention has the advantages that recognition efficiency is high, recognition accuracy is high.
In addition, vehicle chassis detection system according to the above embodiment of the present invention can also have following additional technology special
Sign:
According to one embodiment of present invention, the information acquisition module further comprise for acquire vehicle front and
Second visible images acquisition unit of second visible images at least one of the back side, the message processing module are used for
Storage is associated to first visible images and second visible images, it is preferable that the message processing module
It is excellent for being associated storage to first visible images, second visible images and their shooting time
Selection of land, each of the first visible images acquisition unit and the second visible images acquisition unit are CCD phase
Machine.
According to one embodiment of present invention, the first visible images acquisition unit and second visible images
Acquisition unit is arranged at interval along preset direction, the first visible images acquisition unit and second visible images
Acquisition unit is opposite on the preset direction.
According to one embodiment of present invention, the vehicle chassis detection system further comprises: vehicle bottom scanning platform；With
And first light compensating lamp and the second light compensating lamp, first light compensating lamp be located at the first of the width centreline of vehicle bottom scanning platform
Side, second light compensating lamp are located at second side of the width centreline of vehicle bottom scanning platform, it is preferable that described first is visible
Each of light image acquisition unit and the second visible images acquisition unit are located at the width of vehicle bottom scanning platform
It spends on center line.
According to one embodiment of present invention, the vehicle chassis detection system further comprises the row for measuring vehicle
The vehicle speed measurement module of speed is sailed, the vehicle speed measurement module is located on the width centreline of vehicle bottom scanning platform, wherein
The control module and the vehicle speed measurement module communication connection, the row of the vehicle for being measured according to the vehicle speed measurement module
Sail the line frequency of the first visible images acquisition unit described in speed control.
According to one embodiment of present invention, the message processing module includes: vehicle chassis history image storage unit,
For storing the vehicle chassis history image；With matching primitives unit, it is used for the visible images and the vehicle bottom
Disk history image is matched to identify whether with the presence of foreign matter, strong according to the concentration and the radiation when there are foreign matter
Degree judges the risk of foreign matter, when the concentration is strong more than or equal to default radiation more than or equal to preset concentration or the radiation intensity
When spending, then judge that foreign matter has risk；Preferably, the matching primitives unit be used for first visible images and
Second visible images of at least one of the front and back of vehicle are associated, and the message processing module further wraps
Information memory cell is included, it is excellent for storing first visible images and second visible images that are associated together
Selection of land, when the gas measurement unit detects flammable explosive gas, the preset concentration is 10%LEL；When the gas
When measuring unit detects chlorine, the preset concentration is 0.5ppm；It is described when the gas measurement unit detects phosgene
Preset concentration is 0.1ppm；When the gas measurement unit detects sulfur dioxide, the preset concentration is 2pm；When described
When gas measurement unit detects formaldehyde, the preset concentration is 0.5ppm；When the gas measurement unit detects ozone,
The preset concentration is 0.1ppm, it is further preferred that when the gas measurement unit detects flammable explosive gas, it is described pre-
If concentration is 30%LEL；When the gas measurement unit detects chlorine, the preset concentration is 1ppm；When the gas
When measuring unit detects phosgene, the preset concentration is 0.2ppm；When the gas measurement unit detects sulfur dioxide,
The preset concentration is 5pm；When the gas measurement unit detects formaldehyde, the preset concentration is 0.8ppm；When described
When gas measurement unit detects ozone, the preset concentration be 0.2ppm, it is preferable that when the radiation wavelength be long wave, in
When wave or shortwave, the default radiation intensity is 10v/m；When the radiation wavelength is ultrashort wave, the default radiation intensity
For 5v/m；When the radiation wavelength is microwave, the default radiation intensity is 10 μ W/cm2, it is further preferred that working as the spoke
When a length of long wave of ejected wave, medium wave or shortwave, the default radiation intensity is 25v/m；When the radiation wavelength is ultrashort wave, institute
Stating default radiation intensity is 512v/m；When the radiation wavelength is microwave, the default radiation intensity is 40 μ W/cm2。
According to one embodiment of present invention, the vehicle chassis detection system further comprises: external receiving module, institute
External receiving module and the message processing module communication connection are stated, for showing first visible images, the concentration
With the radiation intensity；And alarm module, be used to be greater than in the concentration more than or equal to preset concentration or the radiation intensity etc.
In default radiation intensity alarm.
Second aspect of the present invention proposes that a kind of vehicle chassis detection method, the vehicle chassis detection method include following step
It is rapid: acquire the first visible images of vehicle chassis, to the vehicle chassis carry out radiation wavelength measurement, radiant intensity measurement,
Gaseous species measurement and gas concentration measurement, to obtain the type and concentration of radiation wavelength, radiation intensity and gas；Acquisition
The identity information of vehicle, the identity information include at least one of license board information and vehicle model information；With according to the identity
Information transfer the vehicle chassis history image of storage and by first visible images and the vehicle chassis history image into
Row matching judges foreign matter according to the concentration and the radiation intensity when there are foreign matter to identify whether with the presence of foreign matter
Risk then judges when the concentration is more than or equal to preset concentration or the radiation intensity is more than or equal to default radiation intensity
Foreign matter has risk,
Preferably, when the gas measurement unit detects flammable explosive gas, the preset concentration is 10%LEL；
When the gas measurement unit detects chlorine, the preset concentration is 0.5ppm；When the gas measurement unit detects
When phosgene, the preset concentration is 0.1ppm；When the gas measurement unit detects sulfur dioxide, the preset concentration is
2pm；When the gas measurement unit detects formaldehyde, the preset concentration is 0.5ppm；When the gas measurement unit is examined
When measuring ozone, the preset concentration is 0.1ppm,
It is further preferred that the preset concentration is 30% when the gas measurement unit detects flammable explosive gas
LEL；When the gas measurement unit detects chlorine, the preset concentration is 1ppm；When the gas measurement unit detects
When to phosgene, the preset concentration is 0.2ppm；When the gas measurement unit detects sulfur dioxide, the preset concentration
For 5pm；When the gas measurement unit detects formaldehyde, the preset concentration is 0.8ppm；When the gas measurement unit
When detecting ozone, the preset concentration is 0.2ppm,
Preferably, when the radiation wavelength is long wave, medium wave or shortwave, the default radiation intensity is 10v/m；Work as institute
State radiation wavelength be ultrashort wave when, the default radiation intensity be 5v/m；When the radiation wavelength is microwave, the default spoke
Penetrating intensity is 10 μ W/cm2,
It is further preferred that the default radiation intensity is 25v/m when the radiation wavelength is long wave, medium wave or shortwave；
When the radiation wavelength is ultrashort wave, the default radiation intensity is 512v/m；It is described when the radiation wavelength is microwave
Default radiation intensity is 40 μ W/cm2。
According to one embodiment of present invention, the vehicle chassis detection method further comprises: measuring the traveling of vehicle
Speed acquires the line frequency of the visible images acquisition unit of the visible images according to travel speed control.
According to one embodiment of present invention, the vehicle chassis detection method further comprises: acquiring the front of vehicle
With second visible images at least one of the back side, to first visible images and second visible images into
Row association storage, it is preferable that first visible images, second visible images and their shooting time into
Row association storage.
Detailed description of the invention
Fig. 1 is the partial structural diagram of vehicle chassis detection system according to an embodiment of the present invention；
Fig. 2 is the topological diagram of vehicle chassis detection system according to an embodiment of the present invention；
Fig. 3 is the flow chart of vehicle chassis detection method according to an embodiment of the present invention.
Vehicle chassis detection system 10,
Information acquisition module 110, the first visible images acquisition unit 111, infrared imaging unit 112, gray scale-height
Image acquisition units 113, inductance coil 116, vehicle speed measurement module 150,
Vehicle bottom scanning platform 120,
First light compensating lamp 131, the second light compensating lamp 132, erecting bed 140,
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings vehicle chassis detection system 10 according to an embodiment of the present invention is described.As shown in Figure 1, according to this
The vehicle chassis detection system 10 of inventive embodiments includes information acquisition module 110, identity information acquisition module 160, control mould
Block and message processing module 170.
Information acquisition module 110 includes that the first visible images for acquiring the first visible images of vehicle chassis are adopted
Collect the gas measurement unit 114 of unit 111, the type for measuring gas and concentration and for measuring radiation wavelength and radiation by force
The actinometry unit 115 of degree.Identity information acquisition module 160 is used to acquire the identity information of vehicle, and identity information includes vehicle
At least one of board information and vehicle model information.
The control module includes the first visible images acquisition unit controller, gas measurement unit controller, radiation survey
It measures cell controller and identity information acquisition module controller, the first visible images acquisition unit controller is visible with first
Light image acquisition unit 111 is connected to control the opening and closing of the first visible images acquisition unit 111, the gasmetry
Cell controller is connected to control the opening and closing of gas measurement unit 114 with gas measurement unit 114, the actinometry
Cell controller is connected to control the opening and closing of actinometry unit 115 with actinometry unit 115, the identity information
Acquisition module controller is connected so that control identity information acquisition module 160 beats on and off with identity information acquisition module 160
It closes.
Message processing module 170 and each of information acquisition module 110 and identity information acquisition module 160 communication link
It is logical.Message processing module 170 is used to transfer the vehicle chassis history image of storage according to identity information and by first visible light
Image is matched with the vehicle chassis history image to identify whether with the presence of foreign matter, according to the concentration when there are foreign matter
The risk that foreign matter is judged with the radiation intensity, when the concentration is more than or equal to preset concentration or the radiation intensity more than or equal to default
When radiation intensity, then judge that foreign matter has risk.
The present invention also provides vehicle chassis detection methods.Vehicle chassis detection method according to an embodiment of the present invention includes
Following steps:
Acquire vehicle chassis the first visible images, to vehicle chassis carry out radiation wavelength measurement, radiant intensity measurement,
Gaseous species measurement and gas concentration measurement, to obtain the type and concentration of radiation wavelength, radiation intensity and gas.
The identity information of vehicle is acquired, which includes at least one of license board information and vehicle model information.
The vehicle chassis history image of storage is transferred according to the identity information and by first visible images and the vehicle
Chassis history image is matched to identify whether with the presence of foreign matter.It is strong according to the concentration and the radiation when there are foreign matter
Degree judges the risk of foreign matter, when the concentration is more than or equal to preset concentration or the radiation intensity more than or equal to default radiation intensity
When, then judge that foreign matter has risk.
It is according to an embodiment of the present invention to implement to can use vehicle chassis detection system 10 according to an embodiment of the present invention
Vehicle chassis detection method.
Vehicle chassis detection system 10 according to an embodiment of the present invention passes through the first visible images acquisition unit 111 of setting
With identity information acquisition module 160, so as to which the vehicle chassis of first visible images on the chassis of vehicle and storage is gone through
Whether history image is matched, it is possible thereby to identify and (judge) with the presence of foreign matter.
Vehicle chassis detection system 10 according to an embodiment of the present invention passes through setting gas measurement unit 114 and actinometry
Unit 115, it is hereby achieved that the type and concentration of radiation wavelength, radiation intensity and gas.Thus identifying that there are different
When object, so as to by judge the concentration whether be more than or equal to the preset concentration or the radiation intensity whether to be more than or equal to this pre-
If radiation intensity, to judge the risk of foreign matter.It is possible thereby to avoid generating erroneous judgement to the risk of the foreign matter on the chassis of vehicle,
To which recognition efficiency not only can be improved, but also the accuracy rate of identification can be improved.
Therefore, vehicle chassis detection system 10 according to an embodiment of the present invention has recognition efficiency height, recognition accuracy high
The advantages that.Correspondingly, vehicle chassis detection method according to an embodiment of the present invention also has recognition efficiency height, recognition accuracy high
The advantages that.
As shown in Figure 1, in some embodiments of the invention, vehicle chassis detection system 10 may include information collection mould
Block 110, identity information acquisition module 160, control module and message processing module 170.
Information acquisition module 110 includes that the first visible images acquisition unit 111, gas measurement unit 114 and radiation are surveyed
Measure unit 115.Preferably, the first visible images acquisition unit 111 can be CCD camera, and gas measurement unit 114 can be
Gas sensor, actinometry unit 115 can be radiation detecting instrument.
In one embodiment of the invention, information acquisition module 110 further comprise for acquire vehicle front and
Second visible images acquisition unit of second visible images at least one of the back side.That is, this is second visible
Light image can be the direct picture of vehicle, be also possible to the back side image of vehicle, which can be vehicle
Direct picture and back side image.Message processing module 170 is used for first visible images and second visible images
It is associated storage.
It is possible thereby to carry out retrospect inspection to vehicle.That is, when vehicle chassis detection system 10 be not detected it is latent
In dangerous material, emerging dangerous material, but cause danger event when, can not only recall associated first visible images
With second visible images, to find out the vehicle for concealing dangerous material, and can to vehicle chassis detection system 10 into
Row improves.
Preferably, message processing module 170 be used for first visible images, second visible images and they
Shooting time be associated storage.The second visible images acquisition unit can be CCD camera.The control module is further
Including the second visible images acquisition unit controller, the second visible images acquisition unit controller and second visible light
Image acquisition units are connected to control the opening and closing of the second visible images acquisition unit.
First visible images acquisition unit 111 and the second visible images acquisition unit can be along preset direction intervals
It is arranged with opening, the first visible images acquisition unit 111 and the second visible images acquisition unit phase on the preset direction
It is right.It is possible thereby to keep the structure of vehicle chassis detection system 10 more reasonable.Wherein, which can be the traveling of vehicle
Direction.
As shown in Figure 1, vehicle chassis detection system 10 further comprises vehicle bottom scanning platform 120,131 and of the first light compensating lamp
Second light compensating lamp 132.By the way that vehicle bottom scanning platform 120 is arranged, so as to reduce the travel speed of vehicle, to obtain more
Clearly, more accurate first visible images.By the way that the first light compensating lamp 131 and the second light compensating lamp 132 is arranged, so as to
It is being more clear, more accurate to obtain to provide intensity suitable illumination light for the first visible images acquisition unit 111
The visible images.
Preferably, the first light compensating lamp 131 be located at the width centreline of vehicle bottom scanning platform 120 the first side it is (such as left
Side), the second light compensating lamp 132 is located at second side (such as right side) of the width centreline of vehicle bottom scanning platform 120.Wherein, vehicle bottom
The width centreline of scanning platform 120 refers to: the width direction along vehicle bottom scanning platform 120 of vehicle bottom scanning platform 120 extends
Center line.It is possible thereby to the illumination light of even intensity be provided for the first visible images acquisition unit 111, to obtain more
Clearly, more accurate first visible images.
As shown in Figure 1, the first light compensating lamp 131 can be multiple (such as three), the second light compensating lamp 132 is also possible to multiple
(such as three).Preferably, the width of multiple first light compensating lamps 131 and the opposite vehicle bottom scanning platform 120 of multiple second light compensating lamps 132
It is symmetrical to spend center line.It is possible thereby to provide intensity more uniform illumination light for the first visible images acquisition unit 111, so as to
Obtain first visible images be more clear, more accurate.
When vehicle passes through information acquisition module 110, inductance coil 116 can be triggered, to make 131 He of the first light compensating lamp
Second light compensating lamp 132 is opened.Meanwhile first visible images acquisition unit 111 acquire the first visible of vehicle chassis (vehicle bottom)
Light image, the second visible images acquisition unit acquire the second visible light figure of at least one of front and back of vehicle
Picture.Preferably, inductance coil 116 is located on the width centreline of vehicle bottom scanning platform 120.
The control module can also include vehicle checker and light filling lamp controller.The vehicle checker can be with 116 phase of inductance coil
Connect to control the opening and closing of inductance coil 116.The light filling lamp controller can be with the first light compensating lamp 131 and the second light filling
Lamp 132 is connected, to control the opening and closing of the first light compensating lamp 131 and the second light compensating lamp 132.
As shown in Figure 1, vehicle chassis detection system 10 further comprises the speed survey for measuring the travel speed of vehicle
Module 150 is measured, vehicle speed measurement module 150 is located on the width centreline of vehicle bottom scanning platform vehicle bottom scanning platform 120.The control
The travel speed of module and 150 communication connection of vehicle speed measurement module, the vehicle for being measured according to vehicle speed measurement module 150 controls
The line frequency of first visible images acquisition unit 111.It is possible thereby to obtain the first visible light figure that is more complete, being more clear
Picture.
Specifically, vehicle speed measurement module 150 measures the movement of vehicle in video within the unit time by camera
Distance, to estimate that velocity information is real-time transmitted to the control module by the travel speed of vehicle, vehicle speed measurement module 150, in turn
Control the line frequency of the light-exposed image acquisition units 111 of information acquisition module 110.
At the same time, gas measurement unit 114 carries out gaseous species measurement and gas concentration measurement to vehicle chassis, so as to
Obtain the type and concentration of gas；Actinometry unit 115 carries out radiation wavelength measurement and radiant intensity measurement to vehicle chassis,
To obtain radiation wavelength and radiation intensity；Identity information acquisition module 160 acquires the identity information of vehicle, the identity information packet
Include at least one of license board information and vehicle model information.
In some examples of the invention, message processing module 170 include vehicle chassis history image storage unit and
With computing unit.
The vehicle chassis history image storage unit is for storing vehicle chassis history image, the vehicle chassis history image
The image (visible images) of vehicle chassis when for no foreign matter.The vehicle of vehicle chassis history image storage unit storage
Chassis history image can be provided by public security department, to store the vehicle chassis history image of all vehicles.Work as vehicle chassis
When detection system 10 is used for a certain unit (such as a certain enterprise, a certain cell or a certain organ), the vehicle chassis history image
Storage unit can only store the vehicle chassis history image of the vehicle of the unit.The vehicle chassis history image storage unit is also
It can store the vehicle chassis history image of all or most of vehicle.
Preferably, which has the function of networking share.
Message processing module 170 and each of information acquisition module 110 and identity information acquisition module 160 communication link
It is logical.For example, message processing module 170 wirelessly connects with each of information acquisition module 110 and identity information acquisition module 160
It is logical.Information acquisition module 110 can by the first visible images, radiation wavelength, radiation intensity of collected vehicle chassis with
And the type and concentration of gas are sent to message processing module 170, identity information acquisition module 160 can be by collected vehicle
Identity information be sent to message processing module 170 (the matching primitives unit).
The matching primitives unit can be according to the identity information of the vehicle, from the vehicle chassis history image storage unit
Transfer the vehicle chassis history image corresponding with the vehicle.Identity information acquisition module 160 can be with the preferential collection vehicle
License board information, thus the matching primitives unit can be deposited according to the license board information of the vehicle from the vehicle chassis history image
Storage unit transfers the vehicle chassis history image of the vehicle itself.
Identity information acquisition module 160 can also acquire the vehicle model information of the vehicle.The matching primitives unit can basis
The vehicle model information of the vehicle, the vehicle chassis for transferring the affiliated vehicle of the vehicle from the vehicle chassis history image storage unit are gone through
History image.For example, the matching primitives unit judges that the vehicle of the vehicle is Volvo according to the vehicle model information of the vehicle
V90, then the matching primitives unit transfers the vehicle chassis history figure of Volvo V90 from the vehicle chassis history image storage unit
Picture.
Preferably, identity information acquisition module 160 can acquire the license board information and vehicle model information of vehicle simultaneously.Thus may be used
With in the vehicle chassis history image of the not stored vehicle of vehicle chassis history image storage unit itself, the matching meter
Unit is calculated according to the vehicle model information of the vehicle, transfers the affiliated vehicle of the vehicle from the vehicle chassis history image storage unit
Vehicle chassis history image.
Then, the matching primitives unit first visible images are matched with the vehicle chassis history image so as to
Identify whether with the presence of foreign matter.If there is no foreign matter, then checking terminates；If there is foreign matter, then according to the concentration and the spoke
The risk that intensity judges foreign matter is penetrated, when the concentration is more than or equal to preset concentration or the radiation intensity by force more than or equal to default radiation
When spending, then judge that foreign matter has risk.It will be appreciated by persons skilled in the art that when the concentration is more than or equal to preset concentration
And the radiation intensity also judge foreign matter with risk when being more than or equal to default radiation intensity.
When foreign matters such as the chassis of vehicle attachment paper, polybag, leaves, existing detection system is easy the danger to foreign matter
Dangerous generation erroneous judgement.Vehicle chassis detection system 10 can be according to the concentration and the radiation intensity, to judge that foreign matter whether there is
Danger, so as to which when the foreign matters such as paper, polybag, leaf are adhered on the chassis of vehicle, being no longer regarded as foreign matter has risk,
To eliminate the erroneous judgement to the risk of foreign matter, recognition efficiency and recognition accuracy are improved.
Preferably, when gas measurement unit 114 detects flammable explosive gas, which is 10%LEL；Work as gas
When bulk measurement unit 114 detects chlorine, which is 0.5ppm；It, should when gas measurement unit 114 detects phosgene
Preset concentration is 0.1ppm；When gas measurement unit 114 detects sulfur dioxide, which is 2pm；Work as gasmetry
When unit 114 detects formaldehyde, which is 0.5ppm；When gas measurement unit 114 detects ozone, this presets dense
Degree is 0.1ppm.
It is further preferred that the preset concentration is 30%LEL when gas measurement unit 114 detects flammable explosive gas；
When gas measurement unit 114 detects chlorine, which is 1ppm；When gas measurement unit 114 detects phosgene,
The preset concentration is 0.2ppm；When gas measurement unit 114 detects sulfur dioxide, which is 5pm；When gas is surveyed
When amount unit 114 detects formaldehyde, which is 0.8ppm；When gas measurement unit 114 detects ozone, this is default
Concentration is 0.2ppm.
Specifically, when gas measurement unit 114 detects flammable explosive gas, when the preset concentration is less than 10%
When LEL, no explosion danger；When the preset concentration is more than or equal to 10%LEL and is less than 30%LEL, exists and fire danger；When this
When preset concentration is more than or equal to 30%LEL, has and greatly fire danger.
When gas measurement unit 114 detects chlorine, phosgene, sulfur dioxide, formaldehyde and ozone respectively, when this preset it is dense
When degree is respectively smaller than 0.5ppm, 0.1ppm, 2pm, 0.5ppm and 0.1ppm, as there is no toxic gases to handle；When this is default
Concentration be respectively greater than be equal to 0.5ppm, 0.1ppm, 2pm, 0.5ppm and 0.1ppm and be respectively smaller than 1ppm, 0.2ppm, 5pm,
When 0.8ppm and 0.2ppm, as there are the processing of the toxic gas of low danger classes；It is equal to when the preset concentration is respectively greater than
When 1ppm, 0.2ppm, 5pm, 0.8ppm and 0.2ppm, as there are the processing of the toxic gas of high-risk grade.
Preferably, when the radiation wavelength is long wave, medium wave or shortwave, which is 10v/m；When the radiation
When wavelength is ultrashort wave, which is 5v/m；When the radiation wavelength is microwave, which is 10 μ
W/cm2。
It is further preferred that the default radiation intensity is 25v/m when the radiation wavelength is long wave, medium wave or shortwave；When this
When radiation wavelength is ultrashort wave, which is 512v/m；When the radiation wavelength is microwave, the default radiation intensity
For 40 μ W/cm2。
It, can when actinometry unit 115 detects radiation intensity, but the radiation intensity is less than the default radiation intensity
Judged with merging first visible images, according to first visible images, using BP neural network, by acquired results
Decision-level fusion is carried out, to obtain more accurate judging result.
The secondary detection information can be recorded in database, reference number of a document is " license plate+vehicle+date+place ".
Preferably, the matching primitives unit be used for in the front and back of first visible images and vehicle extremely
Second visible images of few one are associated, and message processing module 170 further comprises information memory cell, which deposits
Storage unit is used to store first visible images and second visible images being associated together.
Vehicle chassis detection system 10 may further include external receiving module 180 and alarm module.Outside receives mould
Block 180 and 170 communication connection of message processing module, external receiving module 180 is for showing first visible images, the concentration
With the radiation intensity.The alarm module is used to be more than or equal to preset concentration in the concentration or the radiation intensity is more than or equal to default spoke
Penetrate intensity alarm.
Specifically, external receiving module 180 may include the hardware such as display, keyboard, mouse.Vehicle chassis this
One visible images meeting real-time display over the display, and goes out foreign matter region with red collimation mark.Operator can pass through mouse
Mark etc. is transferred first visible images in real time and is checked, and can carry out partial enlargement.
If the concentration is more than or equal to preset concentration or the radiation intensity is more than or equal to default radiation intensity, the alarm module
It can alarm, there may be dangers in safety inspector's vehicle in prompting field, and show excessive value over the display.
Risk mentioned herein refers to that vehicle chassis detection system 10 prompts foreign matter that may have reality to operator
Risk, but need safety inspector's field review is for confirmation whether really to there is risk.
Information acquisition module 110 may further include 112 He of infrared imaging unit for acquiring infrared view
For acquiring gray scale-height image gray scale-height image acquisition unit 113.The control module further comprise infrared ray at
As cell controller and gray scale-height image acquisition unit controller.The infrared imaging cell controller and infrared imaging
Unit 112 is connected to control the opening and closing of infrared imaging unit 112, the gray scale-height image acquisition unit control
Device is connected to control the opening and closing of gray scale-height image acquisition unit 113 with gray scale-height image acquisition unit 113.
When there are foreign matter, infrared view, gray scale-height image and the first visible images are matched to obtain
To the temperature difference and difference in height of foreign matter region and its neighboring area, the danger of foreign matter is judged according to the temperature difference and the difference in height
It is dangerous.
Vehicle chassis detection system 10 according to an embodiment of the present invention passes through setting infrared imaging unit 112 and gray scale-
Height image acquisition unit 113, it is hereby achieved that the infrared view on the chassis of vehicle and gray scale-height image.Thus exist
It identifies there are when foreign matter, it can be by the way that the infrared view, the gray scale-height image and first visible images be carried out
Matching, to obtain the temperature difference and difference in height of foreign matter region with the neighboring area of the foreign matter region, it can obtain
The three-dimensional properties of foreign matter are obtained, and then judge the risk of foreign matter according to the temperature difference and the difference in height.
It is possible thereby to further avoid generating erroneous judgement to the risk of the foreign matter on the chassis of vehicle, thus not only can be into one
Step improves recognition efficiency, and can be further improved the accuracy rate of identification.
Therefore, vehicle chassis detection system 10 according to an embodiment of the present invention has recognition efficiency height, recognition accuracy high
The advantages that.Correspondingly, vehicle chassis detection method according to an embodiment of the present invention also has recognition efficiency height, recognition accuracy high
The advantages that.
Preferably, infrared imaging unit 112 can be infrared camera, and gray scale-height image acquisition unit 113 can be with
It is laser range sensor.
As shown in Figure 1, gray scale-height image acquisition unit 113 can be multiple laser range sensors, multiple laser
Distance measuring sensor can be arranged at interval along the first preset direction, the two neighboring laser range sensor interval it is default away from
From.That is, multiple laser range sensors can be in line to form array, by range information real-time rendering at
Gray scale-the height image.
For example, gray scale-height image acquisition unit 113 can be 19 laser range sensors, 19 Laser Measurings
It can equally spacedly be arranged along first preset direction away from sensor, two neighboring 12 centimetres of laser range sensor interval-
13 centimetres.Preferably, which can be horizontally oriented and perpendicular to the driving direction of vehicle.
In one embodiment of the invention, as shown in Figure 1, the first visible images acquisition unit 111 and infrared ray at
As unit 112 is arranged at interval along the second preset direction, the first visible images acquisition unit 111 and infrared imaging unit
112 is opposite on second preset direction, and first preset direction is perpendicular to second preset direction.It is possible thereby to make vehicle bottom
The result of disk detection system 10 is more reasonable.Preferably, which can be consistent with the driving direction of vehicle.
As illustrated in fig. 1, it is preferred that each in the first visible images acquisition unit 111 and infrared imaging unit 112
Person is located on the width centreline of vehicle bottom scanning platform 120.It is possible thereby to make the first visible images acquisition unit 111 and vehicle
Relative positional relationship it is consistent with the relative positional relationship of infrared imaging unit 112 and vehicle, so as to more accurate
Ground matches the infrared view and first visible images, to find out on the infrared view more accurately
The foreign matter region, and then the neighboring area of the foreign matter region and the foreign matter region can be obtained more accurately
Temperature difference.
Vehicle chassis detection system 10 can also include erecting bed 140, and erecting bed 140 can be set on the ground.Wherein,
One visible images acquisition unit 111, infrared imaging unit 112, chemical substance measuring unit 114, actinometry unit
115, inductance coil 116 and vehicle speed measurement module 150 can be located on erecting bed 140.It preferably, can be on erecting bed 140
Equipped with mounting groove, the first visible images acquisition unit 111 and infrared imaging unit 112 can be located in the mounting groove.
When vehicle passes through information acquisition module 110, infrared imaging unit 112 acquires the infrared line chart of vehicle chassis
Picture, gray scale-height image acquisition unit 113 acquire gray scale-height image (three-dimensional information at scanning car bottom) of vehicle chassis.Letter
The infrared view of collected vehicle chassis and gray scale-height image can be sent to information processing by breath acquisition module 110
Module 170 (the matching primitives unit).
Then, the matching primitives unit first visible images are matched with the vehicle chassis history image so as to
Identify whether with the presence of foreign matter.If there is no foreign matter, then checking terminates；If there is foreign matter, then foreign matter can be demarcated, example
Such as foreign matter is demarcated with red frame.
When there are foreign matter, which carries out Foreign bodies to obtain the foreign matter region, the matching
Computing unit can match the infrared view, the gray scale-height image and first visible images, to obtain
The temperature difference and difference in height of the neighboring area of foreign matter region and the foreign matter region.
By matching, can be obtained in the infrared view and the gray scale-height image foreign matter region and
The neighboring area of the foreign matter region, and then the neighboring area of available foreign matter region and the foreign matter region
Temperature difference and difference in height.
The foreign matter region refer to the foreign matter image (infrared view, the gray scale-height image, this first can
Light-exposed image) on edge included by image-region.That is, the foreign matter region, which refers to, shows foreign matter on image
Part edge included by image-region.The neighboring area of the foreign matter region is that the foreign matter region expands outwardly
Obtained image-region.Preferably, the edge of the neighboring area of the foreign matter region and the edge of the foreign matter region
Distance can be less than or equal to 15 centimetres.
When the chassis of vehicle attachment paper, polybag, the foreign matters such as leaf, due to existing detection system can not obtain it is different
The three-dimensional properties of object, therefore be easy to generate erroneous judgement to the risk of foreign matter.Vehicle chassis detection system 10 can be according to foreign matter institute
Temperature difference and difference in height in region and the neighboring area of the foreign matter region, to judge that foreign matter whether there is danger, thus
Foreign matter can be no longer regarded as with risk, to eliminate when the foreign matters such as paper, polybag, leaf are adhered on the chassis of vehicle
Erroneous judgement to the risk of foreign matter improves recognition efficiency and recognition accuracy.
Preferably, when the difference in height is more than or equal to the first preset value, then judge that foreign matter has risk.More preferably
Ground, first preset value are 5 centimetres.It is further preferred that first preset value is 10 centimetres.
Preferably, when the temperature difference is more than or equal to the second preset value, then judge that foreign matter has risk.More preferably
Ground, second preset value are 5 degrees Celsius.It is further preferred that second preset value is 10 degrees Celsius.Since vehicle itself has
Higher temperature, when vehicle chassis has foreign matter to block and foreign matter thickness is larger, due to the specific heat capacity and heat transfer coefficient of vehicle chassis
It is different from the specific heat capacity of foreign matter and heat transfer coefficient, therefore the temperature of vehicle chassis and the temperature of foreign matter have larger difference.When this
When temperature difference is more than or equal to the second preset value, then judge that foreign matter has risk.
The secondary detection information can be recorded in database, reference number of a document is " license plate+vehicle+date+place ".
External receiving module 180 can be also used for showing first visible images, the infrared view, the gray scale-height
Spend image, foreign matter region (going out foreign matter with red collimation mark, there are positions), temperature difference and difference in height.
First visible images meeting real-time display of vehicle chassis is used in combination on the display of external receiving module 180
Red collimation mark goes out foreign matter region.Operator (safety inspector) can also check the infrared line chart of vehicle chassis by display
Picture, the gray scale-height image, the temperature difference and the difference in height.
Operator can transfer first visible images, the infrared view and the gray scale-by mouse etc. in real time
Height image is checked, and can carry out partial enlargement.For example, may determine that the body of foreign matter by the temperature difference and the difference in height
Product.If checking in exception, can manual early warning, notify field in safety inspector to vehicle carry out field review.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of vehicle chassis detection system characterized by comprising
Information acquisition module, the information acquisition module include for acquiring the first visible images of vehicle chassis first can
Light-exposed image acquisition units, the gas measurement unit of the type for measuring gas and concentration and for measuring radiation wavelength and spoke
Penetrate the actinometry unit of intensity；
Identity information acquisition module, for acquiring the identity information of vehicle, the identity information includes license board information and vehicle letter
At least one of breath；
Control module, the control module include the first visible images acquisition unit controller, gas measurement unit controller,
Actinometry cell controller and identity information acquisition module controller, the first visible images acquisition unit controller with
The first visible images acquisition unit is connected to control the opening and closing of the first visible images acquisition unit,
The gas measurement unit controller be connected with the gas measurement unit so as to control the opening of the gas measurement unit and
It closes, the actinometry cell controller is connected to control beating for the actinometry unit with the actinometry unit
Open and close, the identity information acquisition module controller is connected to control the identity with the identity information acquisition module
The opening and closing of information acquisition module；With
In message processing module, the message processing module and the information acquisition module and the identity information acquisition module
Each communication connection, for transferred according to the identity information storage vehicle chassis history image and can by described first
Light-exposed image is matched with the vehicle chassis history image to identify whether with the presence of foreign matter, when there are foreign matter according to
The gas concentration and the radiation intensity judge the risk of foreign matter, when the concentration is more than or equal to preset concentration or the spoke
When penetrating intensity more than or equal to default radiation intensity, then judge that foreign matter has risk.
2. vehicle chassis detection system according to claim 1, which is characterized in that the information acquisition module further wraps
The the second visible images acquisition for including second visible images of at least one of front and back for acquiring vehicle is single
Member, the message processing module are used to be associated storage to first visible images and second visible images,
Preferably, the message processing module be used for first visible images, second visible images and they
Shooting time is associated storage, it is preferable that the first visible images acquisition unit and second visible images are adopted
Integrate each of unit as CCD camera.
3. vehicle chassis detection system according to claim 2, which is characterized in that the first visible images acquisition is single
The first and described second visible images acquisition unit is arranged at interval along preset direction, and the first visible images acquisition is single
The first and described second visible images acquisition unit is opposite on the preset direction.
4. vehicle chassis detection system according to claim 2, which is characterized in that further comprise:
Vehicle bottom scanning platform；And
First light compensating lamp and the second light compensating lamp, first light compensating lamp are located at the of the width centreline of vehicle bottom scanning platform
Side, second light compensating lamp are located at second side of the width centreline of vehicle bottom scanning platform, it is preferable that described first can
Each of light-exposed image acquisition units and the second visible images acquisition unit are located at vehicle bottom scanning platform
On width centreline.
5. vehicle chassis detection system according to claim 4, which is characterized in that further comprise for measuring vehicle
The vehicle speed measurement module of travel speed, the vehicle speed measurement module are located on the width centreline of vehicle bottom scanning platform,
Described in control module and the vehicle speed measurement module communication connection, vehicle for being measured according to the vehicle speed measurement module
Travel speed controls the line frequency of the first visible images acquisition unit.
6. vehicle chassis detection system according to claim 1, which is characterized in that the message processing module includes:
Vehicle chassis history image storage unit, for storing the vehicle chassis history image；With
Matching primitives unit identifies for matching the visible images with the vehicle chassis history image and is
It is no with the presence of foreign matter, the risk of foreign matter is judged according to the concentration and the radiation intensity when there are foreign matter, when described dense
When degree is more than or equal to preset concentration or the radiation intensity more than or equal to default radiation intensity, then judge that foreign matter has risk；
Preferably, the matching primitives unit be used for in the front and back of first visible images and vehicle extremely
Second visible images of few one are associated, and the message processing module further comprises information memory cell, for storing up
First visible images and second visible images being associated together are deposited,
Preferably, when the gas measurement unit detects flammable explosive gas, the preset concentration is 10%LEL；Work as institute
When stating gas measurement unit and detecting chlorine, the preset concentration is 0.5ppm；When the gas measurement unit detects phosgene
When, the preset concentration is 0.1ppm；When the gas measurement unit detects sulfur dioxide, the preset concentration is 2pm；
When the gas measurement unit detects formaldehyde, the preset concentration is 0.5ppm；When the gas measurement unit detects
When ozone, the preset concentration is 0.1ppm,
It is further preferred that the preset concentration is 30%LEL when the gas measurement unit detects flammable explosive gas；
When the gas measurement unit detects chlorine, the preset concentration is 1ppm；When the gas measurement unit detects light
When gas, the preset concentration is 0.2ppm；When the gas measurement unit detects sulfur dioxide, the preset concentration is
5pm；When the gas measurement unit detects formaldehyde, the preset concentration is 0.8ppm；When the gas measurement unit is examined
When measuring ozone, the preset concentration is 0.2ppm,
Preferably, when the radiation wavelength is long wave, medium wave or shortwave, the default radiation intensity is 10v/m；When the spoke
When a length of ultrashort wave of ejected wave, the default radiation intensity is 5v/m；When the radiation wavelength is microwave, the default radiation is strong
Degree is 10 μ W/cm2,
It is further preferred that the default radiation intensity is 25v/m when the radiation wavelength is long wave, medium wave or shortwave；Work as institute
State radiation wavelength be ultrashort wave when, the default radiation intensity be 512v/m；It is described default when the radiation wavelength is microwave
Radiation intensity is 40 μ W/cm2。
7. vehicle chassis detection system according to claim 1, which is characterized in that further comprise:
External receiving module, the external receiving module and the message processing module communication connection, for showing described first
Visible images, the concentration and the radiation intensity；With
Alarm module, for being more than or equal to preset concentration or the radiation intensity more than or equal to default radiation intensity in the concentration
Alarm.
8. a kind of vehicle chassis detection method, which comprises the following steps:
Acquire vehicle chassis the first visible images, to the vehicle chassis carry out radiation wavelength measurement, radiant intensity measurement,
Gaseous species measurement and gas concentration measurement, to obtain the type and concentration of radiation wavelength, radiation intensity and gas；
The identity information of vehicle is acquired, the identity information includes at least one of license board information and vehicle model information；With
The vehicle chassis history image of storage is transferred according to the identity information and by first visible images and the vehicle
Chassis history image is matched to identify whether with the presence of foreign matter, according to the concentration and the spoke when there are foreign matter
The risk that intensity judges foreign matter is penetrated, when the concentration is more than or equal to preset concentration or the radiation intensity more than or equal to default spoke
When penetrating intensity, then judge that foreign matter has risk,
Preferably, when the gas measurement unit detects flammable explosive gas, the preset concentration is 10%LEL；Work as institute
When stating gas measurement unit and detecting chlorine, the preset concentration is 0.5ppm；When the gas measurement unit detects phosgene
When, the preset concentration is 0.1ppm；When the gas measurement unit detects sulfur dioxide, the preset concentration is 2pm；
When the gas measurement unit detects formaldehyde, the preset concentration is 0.5ppm；When the gas measurement unit detects
When ozone, the preset concentration is 0.1ppm,
It is further preferred that the preset concentration is 30%LEL when the gas measurement unit detects flammable explosive gas；
When the gas measurement unit detects chlorine, the preset concentration is 1ppm；When the gas measurement unit detects light
When gas, the preset concentration is 0.2ppm；When the gas measurement unit detects sulfur dioxide, the preset concentration is
5pm；When the gas measurement unit detects formaldehyde, the preset concentration is 0.8ppm；When the gas measurement unit is examined
When measuring ozone, the preset concentration is 0.2ppm,
Preferably, when the radiation wavelength is long wave, medium wave or shortwave, the default radiation intensity is 10v/m；When the spoke
When a length of ultrashort wave of ejected wave, the default radiation intensity is 5v/m；When the radiation wavelength is microwave, the default radiation is strong
Degree is 10 μ W/cm2,
It is further preferred that the default radiation intensity is 25v/m when the radiation wavelength is long wave, medium wave or shortwave；Work as institute
State radiation wavelength be ultrashort wave when, the default radiation intensity be 512v/m；It is described default when the radiation wavelength is microwave
Radiation intensity is 40 μ W/cm2。
9. vehicle chassis detection method according to claim 8, which is characterized in that further comprise:
The travel speed for measuring vehicle is acquired according to the visible images that travel speed control acquires the visible images
The line frequency of unit.
10. vehicle chassis detection method according to claim 8, which is characterized in that further comprise:
The second visible images for acquiring at least one of front and back of vehicle, to first visible images and institute
State the second visible images and be associated storage, it is preferable that first visible images, second visible images with
And their shooting time is associated storage.
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