CN209673680U - A kind of train inspection system - Google Patents
A kind of train inspection system Download PDFInfo
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- CN209673680U CN209673680U CN201920187928.3U CN201920187928U CN209673680U CN 209673680 U CN209673680 U CN 209673680U CN 201920187928 U CN201920187928 U CN 201920187928U CN 209673680 U CN209673680 U CN 209673680U
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- 238000007689 inspection Methods 0.000 title claims abstract description 67
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Abstract
The utility model discloses a kind of train inspection systems, train can be imaged by scanning device to carry out safety inspection, the scanning device includes accelerator and detector, the train inspection system includes: first sensor, the train for being set to the accelerator comes to being capable of detecting whether train process;Second sensor is set between the accelerator and the first sensor, has been capable of detecting whether train process;And controller, it is configured as when the first sensor detects that train passes through, preheats the accelerator, and when the second sensor detects that train passes through, control the accelerator with the first dosage and go out beam, safety inspection is carried out to the train;Wherein, first dosage is set to meet the radiation protection safety condition of the column passengers inside the car.The utility model can be scanned someone compartment in train under the premise of personnel safety on guaranteeing train.
Description
Technical field
The utility model relates to security inspection field more particularly to a kind of train inspection systems.
Background technique
As international goods trade contacts are increasingly frequent, world security problem is increasingly serious, and safety check system is increasingly
Mostly appear in various entrepots and transport hub, such as customs, airport, harbour, the station of various countries etc..
The wherein inspection system based on X-ray, can be in the case where not destroying article surface, to substance wherein included
Check and real time imagery, and since its energy is high, penetrate good effect, transportation safety and without subsequent contamination and by various
The favor in safety check place.But the X-ray of high dose is easy to damage human body, and part article to be detected, such as train
It is that the peace of column passengers inside the car is just necessary to ensure that by channel to be detected at this time in the case where operating with driver or staff
Entirely, it is avoided accordingly.
Current X-ray train inspection system is the radiation safety for guaranteeing column passengers inside the car, using to locomotive and locomotive phase
The scheme of adjacent boxcar evacuation is scanned inspection.It is generated in scan image in order to avoid fast due to train speed simultaneously
The slow liter problem of accelerator dosage guarantees dose stability when accelerator goes out beam using the scheme of pre- heat accelerator before Shu Qianti out, from
And guarantee picture quality.Specific step is as follows: when train is apart from main beam certain distance, added high pressure in advance to accelerator and
Add magnetic triggering frequency preheating;When Train Approaching beam centre line for example into scanning channel when, control the pre- pyromagnetic touching of accelerator
Hair frequency drops to a certain range, to guarantee trainman's radiation safety;When locomotive and adjacent 1 section compartment pass through beam centre line
When, restore the normal magnetic flux triggering frequency of accelerator, and control accelerator and start beam scanning out.
However this scheme that locomotive and locomotive adjacent train compartment are avoided, it is difficult to check locomotive and locomotive adjacent column
The case where vehicle compartment entrainment smuggling object, dangerous material, so that there are hidden danger for safety inspection;Also, accelerator pre-heat frequency is taken
High frequency-low frequency-high frequency conversion it is more demanding to the automatic frequency of accelerator control (AFC) motor, especially in train high speed row
When sailing, there may be AFC motor control lag and lead to that accelerator dosage is slow to rise a phenomenon, to influence picture quality;This
Outside, above-mentioned steps are for the more demanding of control system, need cover sensors and control unit, not only control system it is complicated,
It is at high cost, it is also easy to sensor signal wrong report occur and make accelerator radio-frequency preheating, and cause exceeded dosage to column passengers inside the car
Radiation.
Utility model content
At least one purpose of the utility model is to propose a kind of train inspection system, can guarantee column passengers inside the car's peace
Under the premise of complete, someone compartment (locomotive, car and the lorry adjacent with locomotive, car) in train is scanned.This
Many technical effects elaboration as detailed below that the optimal technical scheme in many technical solutions that utility model provides can be generated.
To achieve the above object, the utility model provides following technical scheme:
The utility model provides a kind of train inspection system, can be imaged to pacify to train by scanning device
Total inspection, the scanning device include accelerator and detector, and the train inspection system includes: first sensor, are set to
The train of the accelerator comes to being capable of detecting whether train process;Second sensor, be set to the accelerator with it is described
Between first sensor, it is capable of detecting whether train process;And controller, it is configured as detecting in the first sensor
When passing through to train, the accelerator is preheated, and when the second sensor detects that train passes through, controls the acceleration
Device goes out beam with the first dosage, carries out safety inspection to the train;Wherein, first dosage is set to meet the train
The radiation protection safety condition of upper personnel.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
The controller is further configured to: when the control accelerator goes out beam with the first dosage, controlling going out for the accelerator
Beam frequency is corresponding with the travel speed of the train.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
The controller is further configured to: when the travel speed variable quantity of the train is within setting range, described in control
The beam frequency out of accelerator is constant.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
The accelerator go out beam frequency it is constant in the case where, the train is imaged according to the speed of the train deformed part
It is corrected.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
The train inspection system further comprises: 3rd sensor, and the train for being set to the accelerator comes to can judge described
The type of compartment.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
The 3rd sensor includes: wheelbase sensor, can judge the compartment by the wheelbase of the acquisition compartment
Type;And/or imaging sensor, the compartment can be judged by the image information of the acquisition compartment
Type.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
The controller is further configured to: the judging result based on the 3rd sensor, the train can normal scan
When compartment passes through accelerator, the accelerator being controlled with the second dosage and goes out beam, safety inspection is carried out to the train;Wherein, institute
The second dosage is stated to be set to not limited by the radiation protection safety condition of the column passengers inside the car.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
The controller is further configured to: when the control accelerator goes out beam with the second dosage, controlling going out for the accelerator
Beam frequency is corresponding with the travel speed of the train, and the variation of the travel speed according to the train, in real time described in adjustment
Accelerator goes out beam frequency, to guarantee train image quality.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
It is described can the compartment of normal scan include: the not boxcar adjacent with car or locomotive on the train.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
During train is from the first sensor to the second sensor, the accelerator can be preheated to the acceleration
Device does not occur the slow liter phenomenon of dosage under maximum scan frequency.
Based on the above-mentioned technical proposal, the utility model embodiment is can satisfy the safe item of radiation protection for arranging passengers inside the car
First dosage of part makes the accelerator go out beam, so as to guarantee train on personnel safety under the premise of, in train
Someone compartment (locomotive, car and the lorry adjacent with locomotive, car) is scanned.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is train inspection system arrangement structural schematic diagram provided by the utility model embodiment;
Fig. 2 is train inspection system provided by the utility model embodiment along This train is bound for XXX schematic cross-section;
Fig. 3 is that train inspection system provided by the utility model embodiment goes out beam frequency corresponding with train speed similar three
Angular schematic illustration.
Appended drawing reference: 110, accelerator, 120, detector, 131, first camera, 132, second camera, 133, third phase
Machine, the 134, the 4th camera, 141, first entrance light curtain, 142, second entrance light curtain, 151, first outlet light curtain, 152, second goes out
Mouth light curtain, 161, first area laser sensor, 162, second area laser sensor, 163, third region laser sensor,
164, the fourth region laser sensor, the 165, the 5th region laser sensor, the 166, the 6th region laser sensor, 171, first
Protecting wall, the 172, second protecting wall, AA ', beam centre line, S0 (or X0), first sensor, S1 (or X1), second sensor.
Specific embodiment
Be referred to attached drawing below and word content understand the utility model content and the utility model with it is existing
Distinctive points between technology.Hereafter attached drawing and by way of enumerating some alternative embodiments of the utility model, to this reality
It is described in further detail with novel technical solution (including optimal technical scheme).
It should be understood that any technical characteristic, any technical solution in the present embodiment are the technologies of plurality of optional
One or more of feature or optional technical solution, in order to describe it is succinct need in this document impossible to exhaust it is practical new
All alternative technical characteristics of type and alternative technical solution, the embodiment for being also not easy to each technical characteristic are equal
It is emphasized for one of optional numerous embodiments, so those skilled in the art will appreciate that the utility model can be mentioned
Supply any technological means be replaced or will any two or more technological means provided by the utility model or technology spy
Sign, which is combined with each other, obtains new technical solution.
Any technical characteristic and any technical solution in the present embodiment do not limit the protection scope of the utility model,
The protection scope of the utility model should include that those skilled in the art do not make the creative labor the thinkable any substitution of institute
Technical solution and those skilled in the art are special by any two or more technological means provided by the utility model or technology
Sign technical solution new obtained from being combined with each other.
1~2 technical scheme provided by the present invention will be described in more detail with reference to the accompanying drawing.
As shown in Figure 1, the utility model provides a kind of train inspection system, train can be imaged by scanning device
To carry out safety inspection, the scanning device includes accelerator 110 and detector 120, and the train inspection system includes: the
One sensor S0 (or X0), the train for being set to the accelerator 110 come to being capable of detecting whether train process;Second passes
Sensor S1 (or X1) is set between the accelerator 110 and the first sensor S0 (or X0), has been capable of detecting whether column
Vehicle passes through;And controller, it is configured as making the acceleration when the first sensor S0 (or X0) detects that train passes through
Device 110 preheats, and when the second sensor S1 (or X1) detects that train passes through, controls the accelerator 110 with first
Dosage goes out beam, carries out safety inspection to the train;Wherein, first dosage is set to meet the column passengers inside the car's
Radiation protection safety condition.
It should be noted that for the safety inspection of train, wherein train detection systems, including accelerator 110 with
Detector 120 is generally positioned at the two sides of train rail, to carry out to the train for going out beam center face by the accelerator 110
Radiant image.However train driving direction in orbit is forward or backwards, therefore in order to save train detection as much as possible
The arrangement of sensor in system, as shown in Figure 1, sensor will be axis with accelerator 110 and detector 120, along the track pair
Claim arrangement, i.e., S0 and X0 is symmetrical arranged in figure, and S1 and X1 is symmetrical arranged in figure.Therefore to put it more simply, below to go out in beam in scheming
Heart line AA ' is illustrated with left part, and beam center line AA ' is gone out in figure can accordingly be obtained with right part by symmetry.
The train inspection system is core with accelerator 110 and detector 120, simultaneously using 110 divergent-ray of accelerator
It is received by detector 120, carries out processing imaging then to observe the situation inside article.Since article surface can not destroyed
Under the premise of detect the inner case of article, above-mentioned train inspection system can be efficiently applied in the checking process to train.
Wherein, for using X-ray, for the train inspection system of detected ray, detected ray can be by accelerating electronics to hit
Target generation is hit, and for the train in driving status, detected ray is needed to carry out with certain frequency to train
Radiation, then train is imaged by the radiation detection results at multiple moment.Therefore, the dose of radiation of X-ray may be produced
It using electromagnetic field is that electronics is added when accelerating that the raw parameter influenced, which includes the frequency of 110 divergent-ray of accelerator, accelerator 110,
Voltage and electron source generate the parameters such as electric current of electronics.
However, biological cell can be made to be suppressed since X-ray is found to be harmful to organism, destroy even it is bad
Extremely, cause body that the change of different degrees of physiology, pathology and biochemistry etc. occurs.Therefore, in the utility model embodiment
During provided train inspection system checks the compartment of train, need strict control accelerator 110 goes out beam
Dosage meets the radiation protection safety condition of personnel, such as provides in ANSI/IIPS-N43.17-2009, and driver's single connects
The dosage of receipts is no more than 0.25 μ Sv.Therefore, although beam dose and not corresponding to the received dosage of driver institute out, one
As for need at least control accelerator 110 go out beam dose be no more than above-mentioned regulation, just can guarantee the radiation protection of driver
Safety.
Based on radiation protection safety requirements, first sensor S0 (or X0) is arranged in the utility model embodiment, for detecting
Whether there is train process, and when train passes through described first sensor S0 (or X0), preheats the accelerator 110.Due to
The beam that goes out of the accelerator needs two conditions, first is that being used to accelerate the microwave magnetic field of electronics;The generation second is that electron source adds high pressure
Electronics is accelerated to practice shooting by microwave magnetic field generates X-ray.
Therefore the preheating carried out to the accelerator refers to: acceleration fields are established by microwave to accelerating tube in advance, once it is electric
Component issues electronics, can accelerate electronics and practice shooting to generate X-ray.Wherein, the frequency of microwave is higher, and accelerating tube accelerates electronics
Energy is stronger.Since electron source will not generate electronics before accelerating tube does not add high pressure, but still have in accelerating tube a small amount of
The electronics of free floating, the microwave magnetic field for being still able to be in pre- Warm status accelerate to practice shooting and generate a small amount of ray.
, cannot be too high to the microwave frequency of accelerator preheating based on this, in order to avoid produced due to accelerating the electronics freely floated
Raw is more than the roentgen dose X that radiation safety requires.Correspondingly, to accelerator preheating microwave frequency can not it is too low even without,
In order to avoid in the case where normally going out pencil state, the time needed for establishing magnetic field as microwave and occur that dosage is slow to rise that (slow rise of the dosage be
Refer to: when adjusting microwave frequency and electron gun current simultaneously, the beam dose out of accelerator 110, which will start from scratch, slowly to edge up, and makes
Obtain and deviation occur to the detection imaging of article) the phenomenon that.
After the accelerator 110 obtains preheating due to the testing result of first sensor S0 (or X0), passed by second
The influence of sensor S1 (or X1) testing result, accelerator 110 will go out beam with the first dosage, and be scanned imaging to train.Such as
It is described above, it is influenced by personnel's radiation protection safety condition, first dosage will be tightly controlled in not influencing on train
Subject to the safety of personnel.It compares to relevant train inspection system, the utility model embodiment can be to having existing for personnel
Compartment carries out safety inspection, avoids the possibility for concealing dangerous goods in this kind of compartment, effectively eliminates the dead of train safety inspection
Angle guarantees the comprehensive and completeness of safety inspection.
As shown in Figure 2 and Figure 3, after any technical solution or any optimization that are provided above or hereinafter as the utility model
The optimization of technical solution, the controller are further configured to: when the control accelerator 110 goes out beam with the first dosage,
The beam frequency out for controlling the accelerator 110 is corresponding with the travel speed of the train.
Specifically, when accelerator 110 target spot to train center line distance for a, the target spot of accelerator 110 to detector
120 distance is b, and train speed v, 120 cross-sectional width of detector is d, and it is f, over-sampling parameter that accelerator 110, which goes out beam frequency,
When for K, according to similar triangle theory, will have:
In general, the target spot of accelerator 110 is to train center line distance a, 110 target spot of accelerator to detector 120
Distance b, detector 120 cross-sectional width d and over-sampling parameter K are fixed parameters relative to the same train inspection system, this
When, the speed v of train and the beam frequency f that goes out of accelerator 110 just have one-to-one relationship, the i.e. speed and accelerator of train
110 beam frequency out is proportional.For scene corresponding to train inspection, when train speed is faster, in order to guarantee after
It is continuous to be spaced at the same distance and radiant image is carried out to train along driving direction, need to guarantee accelerator 110 go out beam frequency with
Increase.
Train detection systems provided by the utility model embodiment can be controlled by velocity sensor and automatic frequency
(automatic frenquency control-AFC) device matches control and the tune for carrying out going out beam frequency to accelerator 110
Section.I.e. when train speed changes, the corresponding beam frequency out for adjusting accelerator 110, to guarantee the matter of radiant image
The effect of amount and safety inspection.
Further, technical side after any technical solution or any optimization that are provided above or hereinafter as the utility model
The optimization of case, the controller are further configured to: when the travel speed variable quantity of the train is within setting range,
The beam frequency out for controlling the accelerator 110 is constant.
Although in order to guarantee the effect of radiant image, accelerator 110 go out beam frequency should be with the travel speed phase of train
It is corresponding, but since far below the beam dose that normally goes out of accelerator 110, (typically the first underdosage adds first dosage
Fast device 110 normally goes out the 10% of beam dose), the accelerator 110 for going out beam in the first dosage will be far from its rated power.Therefore,
In order to keep the beam dose out of the accelerator 110 as stable as possible, train detection systems provided by the utility model embodiment
When the travel speed variable quantity of train is within setting range, keep the beam frequency out of the accelerator 110 constant, with as far as possible
Evade lower influence of the beam dose for 110 stability of accelerator out.
At this point, the setting range of train running speed variable quantity can be according to first dosage and the accelerator 110
Model demarcated with type, and be subject to and large effect do not generated to the quality of radiant image.For example, column can be chosen
When vehicle speed variable quantity is within the 5% of train driving maximum speed, the beam frequency that goes out of accelerator 110 is not adjusted.
Certainly, the setting range of the train running speed variable quantity also can be set as fixed numberical range, such as ± 15km/h.
Further, technical side after any technical solution or any optimization that are provided above or hereinafter as the utility model
The optimization of case, the accelerator 110 go out beam frequency it is constant in the case where, according to the speed of the train to the train at
The deformed part of picture is corrected.
Dosage due to going out beam with the first dosage is far below the normal value that accelerator 110 goes out beam dose, and in train speed
In the case where degree variation less, the beam frequency that goes out of accelerator 110 keeps inconvenient, so that column provided by the utility model embodiment
Situations such as radiant image of system in this case is easy to appear deformation, is looked into car test.At this point, in order to guarantee that deformed part is not right
The judging result of safety detection has an impact, can be according to the speed or other influences factor of the train, by algorithm to spoke
The anamorphose part for penetrating imaging carries out geometric correction.
As shown in Figure 1, technology after any technical solution or any optimization that are provided above or hereinafter as the utility model
The optimization of scheme, the train inspection system further comprises: 3rd sensor, and the train for being set to the accelerator 110 comes
To can judge the type of the compartment.The 3rd sensor can be set to multiple or multiple groups, to guarantee to train
The accuracy of the type judgement in compartment.
The 3rd sensor includes: wheelbase sensor, can be by acquiring the wheelbase of the compartment, described in judgement
The type of compartment;And/or imaging sensor, the column can be judged by the image information of the acquisition compartment
The type in vehicle compartment.
Wherein described image sensor may include first camera, second camera, third camera and the 4th camera, difference
The two sides of the import direction track of the train inspection system and the two sides of export direction track, and corresponding status are set
Come in the train of the accelerator 110 to obtain the image information of train multi-angle as far as possible, and obtaining compartment in advance
The testing result of type.And the wheelbase sensor can correspondingly be arranged in the position of the first sensor S0 (or X0),
Such as can be set in the track of train or by track, to judge the model parameter of the train according to the wheelbase of the train
With functional parameter.
Further, technical side after any technical solution or any optimization that are provided above or hereinafter as the utility model
The optimization of case, the controller are further configured to: the judging result based on the 3rd sensor, the train can be just
When the compartment often scanned passes through accelerator 110, the accelerator 110 is controlled with the second dosage and goes out beam, the train is pacified
Total inspection;Wherein, second dosage is set to not limited by the radiation protection safety condition of the column passengers inside the car.
For beam dose can be gone out when the accelerator 110 for the compartment (no movable compartment of personnel) of normal scan
When no longer being limited by the radiation protection safety condition of the column passengers inside the car, second dosage can be set as accelerator
110 beam dose out in a rated operation guarantees so that the accelerator 110, which can work, goes out beam section in stable
To the radiant image quality of train safety detection.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
The controller is further configured to: when the control accelerator 110 goes out beam with the second dosage, controlling the accelerator
110 beam frequency out is corresponding with the travel speed of the train, and the variation of the travel speed according to the train, adjusts in real time
The whole accelerator 110 goes out beam frequency, to guarantee train image quality.
When due to carrying out out beam with the second dosage, the working condition of the accelerator 110 is more stable, therefore can basis
The beam frequency that goes out of accelerator 110 is adjusted in the travel speed of train, when to guarantee that train running speed changes,
Accelerator 110 can do corresponding adjustment, so that the radiant image to train safety inspection be avoided the problems such as geometry deformation occur.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
It is described can the compartment of normal scan include: the not boxcar adjacent with car or locomotive on the train.
With above-mentioned standard screening can the compartment range of normal scan be only lorry, and excluded and locomotive or car
Adjacent lorry, to further avoid generating the spoke more than radiation protection safety condition by the compartment of personnel activity on train
Dosage is penetrated, guarantees the health requirements of column passengers inside the car.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
During train is from the first sensor S0 (or X0) to described second sensor S1 (or X1), the accelerator 110
The accelerator 110 can be preheated to and do not occur the slow liter phenomenon of dosage under maximum scan frequency.
As shown in Figure 1, between first sensor S0 (or X0) S0 to second sensor S1 (or X1) S1 away from
From for L+N, which is set to meet train under maximum speed driving status, and the accelerator 110 still can be normal
Preheating, and when train is by going out beam center, beam is carried out out to go out beam frequency corresponding to train running speed.For example, general
The travel speed of train is 100km/h~300km/h, and the preheating time of accelerator 110 is usually 6~8 seconds, can be incited somebody to action at this time
The distance between first sensor S0 (or X0) S0 and second sensor S1 (or X1) S1 L+N is provided accordingly to be not less than
666m(300km/h*8s).Certainly, between first sensor S0 (or X0) S0 and second sensor S1 (or X1) S1 away from
From L+N can also the track according to set by the type kind of train or train inspection system travel speed determine.
Further, train inspection system provided by the utility model embodiment further comprise the first protecting wall 171 with
Second protecting wall 172, is set to the two sides of the train rail, to be stopped to radiation ray or be absorbed, protects track
The safety of two sides personnel.
In addition, being also provided with the firstth area accordingly in the inside of first protecting wall 171 and the second protecting wall 172
Domain laser sensor 161, second area laser sensor 162, third region laser sensor 163, the fourth region laser sensing
Device 164, the 5th region laser sensor 165 and the 6th region laser sensor 166, to passing through the train detection systems
Train carry out real-time tachometric survey, and the measurement result according to above-mentioned multiple laser sensors is enabled the controller to, to adding
The beam frequency that goes out of fast device 110 is precisely controlled.
In the entrance in the inspection channel that first protecting wall 171 and the second protecting wall 172 are constituted and outlet, also phase
That answers is provided with first entrance light curtain 141, second entrance light curtain 142, first outlet light curtain 151 and second outlet light curtain 152,
Further enter the train inspection system to train to be monitored, avoid due to being scanned calibration to may pass through to air
Column passengers inside the car cause health hazard.
The utility model additionally provides flow instance corresponding to train inspection system, for passing through scanning device to train
To carry out safety inspection, the scanning device includes accelerator 110 and detector 120, the train inspection method packet for imaging
It includes: when the train is by first sensor S0 (or X0), the accelerator 110 being made to enter low frequency preheating mode;With
And when the train passes through second sensor S1 (or X1), the accelerator 110 is set to go out beam with the first dosage, to train
Carry out safety inspection;Wherein, the beam dose that goes out that first dosage is arranged to the accelerator 110 meets people on the train
The radiation protection safety condition of member.
The optimization of technical solution after any technical solution or any optimization that are provided above or hereinafter as the utility model,
Flow instance corresponding to the train inspection system includes: the type for judging the compartment, the train can be normal
When the compartment of scanning passes through the accelerator 110, the accelerator 110 being controlled with the second dosage and goes out beam, safety is carried out to train
It checks;Wherein, second dosage is configured as the beam dose out of the accelerator 110 not by the radiation of the column passengers inside the car
The limitation of protection safety condition.
Based on the above-mentioned technical proposal, the utility model embodiment is can satisfy the safe item of radiation protection for arranging passengers inside the car
First dosage of part make the accelerator 110 go out beam, so as to guarantee train on personnel safety under the premise of, in train
Someone compartment (locomotive, car and the lorry adjacent with locomotive, car) be scanned, avoided the movable compartment of personnel
Upper smuggling and the risk for concealing dangerous goods.
The utility model also goes out beam frequency by simplified accelerator 110 and accelerator 110 goes out the control program of beam dose,
The reliability for improving system avoids related train inspection system from frequently carrying out the control of high-low-high frequency to accelerator 110 and turns
It changes, and influences the stability of the work of accelerator 110.
In addition, the accelerator 110 in the utility model embodiment is before normally going out beam always in radiation protection safe range
It is interior, avoid accelerator 110 go out beam frequency high-low-high conversion during, since light curtain signal is reported by mistake, lead to high frequency
Preheating, the risk exceeded there are dose of radiation to trainman.
Above-mentioned any technical solution disclosed in the utility model unless otherwise stated, if it discloses numberical range,
So disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numerical value
Range is only the numerical value that technical effect is obvious or representative in many enforceable numerical value.Since numerical value is more,
It is impossible to exhaust, so the utility model discloses component values just to illustrate the technical solution of the utility model, also, above-mentioned
The numerical value enumerated should not constitute the limitation that protection scope is created to the utility model.
If the words such as " first ", " second " are used herein come if limiting components, those skilled in the art are answered
This knows: the use of " first ", " second " is intended merely to facilitate in description and is distinguished components as not having Stated otherwise
Outside, above-mentioned word has no special meaning.
Meanwhile if above-mentioned the utility model discloses or relates to the components or structural member of connection fastened to each other,
Unless otherwise stated, it is fixedly connected it is to be understood that connection (such as connecting using bolt or screw) can be removedly fixed,
It is to be understood that non-removable be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral type
Structure (such as manufacturing using casting technique is integrally formed) is replaced (obviously can not be using except integrally formed technique).
In addition, for indicating positional relationship or shape applied in above-mentioned any technical solution disclosed by the utility model
Term its meaning includes approximate with its, similar or close state or shape unless otherwise stated.It is provided by the utility model
Either component by multiple individual component parts either assembled, or the list that integrally formed technique manufactures
Only component.
In the description of the utility model if used term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
"left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" etc., then the orientation or position of the instruction of above-mentioned term are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
Equipment, mechanism, component or the element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as the limitation to scope of protection of the utility model.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System;Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes;Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (10)
1. a kind of train inspection system can be imaged train by scanning device to carry out safety inspection, the scanning is set
Standby includes accelerator and detector, which is characterized in that the train inspection system includes:
First sensor, the train for being set to the accelerator come to being capable of detecting whether train process;
Second sensor is set between the accelerator and the first sensor, has been capable of detecting whether train process;With
And
Controller is configured as when the first sensor detects that train passes through, and preheats the accelerator, and described
When second sensor detects that train passes through, the accelerator being controlled with the first dosage and goes out beam, safe inspection is carried out to the train
It looks into;
Wherein, first dosage is set to meet the radiation protection safety condition of the column passengers inside the car.
2. train inspection system according to claim 1, which is characterized in that the controller is further configured to:
When the control accelerator goes out beam with the first dosage, the traveling for going out beam frequency and the train of the accelerator is controlled
Speed is corresponding.
3. train inspection system according to claim 2, which is characterized in that the controller is further configured to:
When the travel speed variable quantity of the train is within setting range, the beam frequency out for controlling the accelerator is constant.
4. train inspection system according to claim 3, which is characterized in that constant in the beam frequency out of the accelerator
In the case of, it is corrected according to the deformed part that the train is imaged in the speed of the train.
5. train inspection system according to claim 1, which is characterized in that the train inspection system further comprises:
3rd sensor, the train for being set to the accelerator come to can judge the type of the compartment.
6. train inspection system according to claim 5, which is characterized in that the 3rd sensor includes:
Wheelbase sensor can judge the type of the compartment by the wheelbase of the acquisition compartment;And/or
Imaging sensor can judge the type of the compartment by the image information of the acquisition compartment.
7. train inspection system according to claim 5, which is characterized in that the controller is further configured to: base
In the judging result of the 3rd sensor, the train can the compartment of normal scan pass through accelerator when, control it is described plus
Fast device goes out beam with the second dosage, carries out safety inspection to the train;
Wherein, second dosage is set to not limited by the radiation protection safety condition of the column passengers inside the car.
8. train inspection system according to claim 7, which is characterized in that the controller is further configured to:
When the control accelerator goes out beam with the second dosage, the traveling for going out beam frequency and the train of the accelerator is controlled
Speed is corresponding, and the variation of the travel speed according to the train, and adjust the accelerator in real time goes out beam frequency, to guarantee
Train image quality.
9. train inspection system according to claim 7, which is characterized in that it is described can the compartment of normal scan include: institute
State on train the not boxcar adjacent with car or locomotive.
10. train inspection system according to claim 1, which is characterized in that in train from the first sensor to institute
During stating second sensor, the accelerator can be preheated to the accelerator and agent do not occur under maximum scan frequency
Amount is slow to rise phenomenon.
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CN201920187928.3U CN209673680U (en) | 2019-02-03 | 2019-02-03 | A kind of train inspection system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109682842A (en) * | 2019-02-03 | 2019-04-26 | 同方威视技术股份有限公司 | A kind of train inspection system and inspection method |
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109682842A (en) * | 2019-02-03 | 2019-04-26 | 同方威视技术股份有限公司 | A kind of train inspection system and inspection method |
CN109682842B (en) * | 2019-02-03 | 2024-03-26 | 同方威视技术股份有限公司 | Train checking system and checking method |
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