CN104167027B - Tunnel cable fault inspection system and corresponding tunnel cable fault method for inspecting - Google Patents
Tunnel cable fault inspection system and corresponding tunnel cable fault method for inspecting Download PDFInfo
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- CN104167027B CN104167027B CN201410451867.9A CN201410451867A CN104167027B CN 104167027 B CN104167027 B CN 104167027B CN 201410451867 A CN201410451867 A CN 201410451867A CN 104167027 B CN104167027 B CN 104167027B
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Abstract
The invention discloses a kind of tunnel cable fault inspection system and corresponding tunnel cable fault method for inspecting, the cruising inspection system includes the inspection car of automatic running, the control unit with the Master Control Center wireless connection of control room is installed with the inspection car, signal gathering unit for carrying out inspection to cable in tunnel, lighting unit for providing illumination for signal gathering unit, and for providing the power subsystem of electric energy, the signal output part of the signal gathering unit connects the signal input part of control unit, power subsystem connects control unit respectively, information acquisition unit, the power end of lighting unit；It also includes the positioning unit for being used to position inspection car, the signal output part connection control unit of the positioning unit.The present invention is simple in construction, without being manually entered the inspection that tunnel can automatically completely to cable, can find that outward appearance is damaged in time, the cable that fixture is opened, come off, and is safeguarded in time, it is ensured that traffic safety.The present invention is applied to detect the cable in various bridge tunnels.
Description
Technical field
The invention belongs to Tunnel testing field, it is related to a kind of detection means of tunnel cable, specifically a kind of tunnel
Cable fault inspection tour system, while the invention further relates to corresponding tunnel cable fault method for inspecting.
Background technology
At present, tunnel turns into the important component of communications and transportation.The communications cable, power cable are typically provided with tunnel
Etc. a variety of cables, after these cables are runed for a long time, the failure, such as car such as cable damage occurs due to many reasons, comes off
Run at high speed the pressure wave caused in tunnel and microbarometric wave it is dynamic and impact, or the natural calamity such as infiltration, freeze thawing influence
Caused by cable damage, once circuit go wrong will to driving cause to have a strong impact on.
In order to prevent influence that cable fault is run to vehicle, railroad personnel needs timing to patrol the cable in tunnel
Inspection, finds failure cable, and be maintained, it is ensured that traffic safety in time.Existing method for inspecting enters for staff
Associated cable path is checked to tunnel internal, and hidden danger point is investigated.However, because cable is fixed at tunnel
On wall, and erection is above the ground level at 3 to 4 meters of position, and ground uneven in tunnel, without illuminations, causes artificial
Inspection is extremely difficult, and routing inspection efficiency is extremely low, extends the time given warning in advance, and add the security risk of driving.
In addition, for the result of tunnel inspection, being believed using the test set respectively between two connected direct discharging stations
Number transmitting and receiving module are transmitted, by analyzing the test signal level that receives come the performance ginseng of real-time judge cable
Number, and for the cable at tunnel two ends, the test signal transmitter module set using communications cable end, or use standing wave
The real-time detection to the communications cable is realized than detection method.
Meanwhile, the above-mentioned detection to cable can only detect the performance indications of cable, for example whether there is signal transmitting, if deposit
In standing-wave ratio etc., it is impossible to whether there is apparent damaged, holding clamp whether to come off to cable etc. and detect, and then can not be pre-
Anti- cable comes off to the danger that causes of driving.
The content of the invention
The technical problem to be solved in the present invention, is to provide a kind of tunnel cable fault inspection system, the system can be to tunnel
Cable in road carry out nobody make an inspection tour automatically, it is time saving and energy saving, and can find to occur damaged, fixture in time and open, issue and come off
Cable, and handled in time, it is ensured that traffic safety；
Another object of the present invention, is to provide a kind of tunnel cable fault realized using above-mentioned cruising inspection system and patrolled
Detecting method.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of tunnel cable fault inspection system, it includes
The control list with the Master Control Center wireless connection of control room is installed with the inspection car of automatic running, the inspection car
Member, the information acquisition unit for carrying out inspection to cable in tunnel, the illumination list for providing illumination for information acquisition unit
Member, and for providing the power subsystem of electric energy, the signal output part of described information collecting unit connects the signal of control unit
Input, power subsystem connects control unit, information acquisition unit, the power end of lighting unit respectively；It also include be used for pair
The positioning unit that inspection car is positioned, the positioning unit is fixedly arranged on the wheel of inspection car, the connection control of its signal output part
Unit processed.
It is used as limitation of the invention：The inspection car includes headstock and the tailstock, and described control unit, power subsystem are fixed
In in headstock, being installed with fixed support on the tailstock, described information collecting unit is fixedly arranged on fixed support with lighting unit, information
Collecting unit passes through the control unit in connection headstock.
It is used as limitation of the invention further：Described information collecting unit includes line-scan digital camera, and line-scan digital camera is fixedly arranged on
On fixed support；The lighting unit includes lighting lamp group, and the lighting lamp group is fixedly arranged on fixed support by bracket institution.
It is used as the further restriction to the present invention：Described information collecting unit also includes to line-scan digital camera focal length and shooting
The adjustment mechanism that angle is adjusted, the adjustment mechanism includes the revolving part for being used to adjust line-scan digital camera shooting angle, and
For range measurement part, the force piece that is fixedly arranged on each camera for measuring distance between line-scan digital camera and tunnel, the linear array
Camera is fixedly arranged on fixed support by revolving part, and revolving part connects the control signal output of control unit；The distance is surveyed
Amount part is fixedly arranged on fixed support, and its signal output part connects the detection signal input part of control unit, the control of control unit
Signal output part control connection force piece, the clutch end of force piece is installed with and focusing ring fixed on line-scan digital camera camera lens
The focusing gear being meshed, and the light modulation gear being meshed with aperture ring fixed on line-scan digital camera camera lens.
Present invention also offers a kind of tunnel cable fault method for inspecting, the tour system based on foregoing tunnel cable fault
Unite to realize, the tunnel cable fault method for inspecting comprises the following steps：
（One）Infomation detection：Information acquisition unit on inspection car is under the cooperation of lighting unit in real time to the line in tunnel
Cable carries out IMAQ, while positioning unit detects the positional information of inspection car in real time；
（Two）Information processing：Control unit receive information collecting unit is gathered after the information with positioning unit, to cable event
Barrier information and abort situation are analyzed, stored；
（Three）Control output：The result that analysis is obtained is wirelessly transmitted to the Master Control Center of control room by control unit, to work
Make personnel and carry out output display.
It is used as the restriction to the above method：The step（One）The signal of middle information acquisition unit collection also includes distance and surveyed
The distance between line-scan digital camera and tunnel wall that amount part is measured in real time information, the range information is real-time transmitted to control unit.
It is used as the further restriction to the above method：The step（Two）In control unit also is included to information processing will be away from
With a distance between the line-scan digital camera and tunnel wall that are detected from measuring piece and itself it is stored with different between line-scan digital camera and tunnel wall
It is compared apart from interval, interval range residing for the distance that analysis measurement is arrived, finds the interval interior correspondence line-scan digital camera of the distance
Focal length value.
It is used as the further restriction to the above method：The step（Three）In also to include control unit burnt to line-scan digital camera
Away from adjustment, i.e., control unit is according to the corresponding focal length value of distance between the line-scan digital camera and tunnel wall of storage, output control letter
Number force piece and rotating mechanism are given, control force piece drives focusing gear and light modulation pinion rotation, and then driven by focusing gear
Camera lens focusing ring rotates, and light modulation gear band moves the rotation of camera lens aperture ring, meanwhile, control rotating mechanism is rotated,
It is the numerical value prestored in control unit to make line-scan digital camera its focal length value in image-capture field.
It is used as another restriction to the above method：
The step（One）Step is additionally provided with before（A）, i.e.,：
（A）Unit part is installed on inspection car, control unit adjusts line-scan digital camera in information acquisition unit
Shooting angle and focal length, while the artificial original position to inspection car is demarcated；
Step（Three）Step is additionally provided with afterwards（Four）, i.e.,：
（Four）Post-processing：The result that staff automatically analyzes according to system is further counted, and is obtained finally just
True result, and store.
To sum up, as a result of above-mentioned technical scheme, compared with prior art, acquired technological progress exists the present invention
In：
（1）The tunnel cable fault inspection system of the present invention is provided with the inspection car of automatic running, is provided with inspection car
Information acquisition unit and lighting unit, can be automatically performed the collection to cable information in tunnel, together without being manually entered tunnel
When lighting unit can coordinate the work of information acquisition unit, make information acquisition unit gather image it is relatively sharp, collection knot
Fruit is more accurate；
（2）The information acquisition unit of the tunnel cable fault inspection system of the present invention is provided with the focal length to line-scan digital camera and angle
Spend the adjustment mechanism that is adjusted, can according to focal length when shooting angle and the shooting of the width adjustment line-scan digital camera in tunnel,
Ensure that the image that line-scan digital camera is photographed is most clear；
（3）The tunnel cable fault inspection system of the present invention is additionally provided with positioning unit, and inspection car institute can be detected in real time
Position, and send positional information to control unit, the information detected by positioning unit can determine cable fault
Position.
In summary, tunnel cable fault inspection system architecture of the invention is simple, can be certainly without being manually entered tunnel
The dynamic complete inspection to cable, can find to see damaged, the cable that fixture is opened, come off, and safeguarded in time in time, it is ensured that
Traffic safety.
The present invention is applied to detect the cable in various bridge tunnels.
The present invention is described in further detail below in conjunction with Figure of description with specific embodiment.
Brief description of the drawings
Fig. 1 is the structural representation of tunnel cable fault inspection system in the embodiment of the present invention one, two；
Fig. 2 is the partial enlargement structural representation of installation line-scan digital camera 4 part in Fig. 1；
Fig. 3 is the structural representation of line-scan digital camera 4 in the embodiment of the present invention one, two；
Fig. 4 is the mounting structure schematic diagram of photo electrical tacho generator 14 in the embodiment of the present invention one, two；
Fig. 5 is the flow chart of tunnel cable fault method for inspecting in the embodiment of the present invention one, two.
In figure：1~headstock, 2~tailstock, 3~control unit, 4~line-scan digital camera, 5~fixed support, 6~revolving part, 7
~range measurement part, 8~force piece, 9~micro-reducer, 10~light modulation gear, 11~focusing gear, 12~lighting lamp group,
13~support, 14~photo electrical tacho generator, 15~wheel shaft, 16~axle box cover.
Embodiment
A kind of tunnel line cable fault inspection system of embodiment one and corresponding tunnel cable fault method for inspecting
In the present embodiment, tunnel cable fault inspection system reference Fig. 1, it includes：
（1）Use railway with fuel oil locomotive as inspection car in the inspection car of automatic running, the present embodiment, F-Zero can
To reach 80KM/h.As shown in figure 1, the inspection car includes headstock 1 and the tailstock 2, on the lower surface of headstock 1 and the tailstock 2
Provided with wheel.Headstock 1 is carriage-type structure in the present embodiment, is fixedly provided with the control with the Master Control Center wireless connection of control room
Unit 3 processed；The tailstock 2 is a flat board, can be used to install miscellaneous part as mounting seat.
（2）The information acquisition unit of inspection is carried out to cable in tunnel.Information acquisition unit such as Fig. 2 institutes in the present embodiment
Show, including gather the line-scan digital camera 4 of cable image information in tunnel, the line-scan digital camera 4 is fixedly arranged on the tailstock by fixed support 5
On 2, while the image information that line-scan digital camera 4 is collected sends the control unit 3 set in headstock 1 to by circuit.
In order to ensure that line-scan digital camera 4 can photograph clearly picture, the information acquisition unit of the present embodiment also includes pair
The adjustment mechanism that the focal length and shooting angle of line-scan digital camera 4 are adjusted, the adjustment mechanism includes being used to adjust line-scan digital camera 4
The revolving part 6 of shooting angle, and for measuring the range measurement part 7 of distance between line-scan digital camera 4 and tunnel, being fixedly arranged on linear array
Force piece 8 on camera 4.Revolving part 6 in the present embodiment uses rotary head of the prior art, and line-scan digital camera 4 is installed in
On rotary head, and rotary head is fixedly arranged on revolving part 6, while the control signal that the controlled unit 3 of rotary head is exported
Control.
Range measurement part 7 in the present embodiment uses laser range finder of the prior art, distinguishes fixed with line-scan digital camera 4
In the two ends of fixed support 5.The signal output part of the laser range finder connects the detection signal input part of control unit 3, i.e.,
Laser range finder in the present embodiment can detect the distance between inspection car and tunnel wall in real time（That is the width in tunnel）, and will
The data detected are real-time transmitted to control unit 3.
Force piece 8 in the present embodiment is as shown in figure 3, using micro machine, the micro machine is fixedly arranged on the side of line-scan digital camera 4
Light modulation is installed with face, the clutch end connection micro-reducer 9 of micro machine, the power output shaft of the micro-reducer 9
Gear 10 and focusing gear 11, the light modulation gear 10 are meshed with aperture ring fixed on the camera lens of line-scan digital camera 4, the focusing
Gear 11 is meshed with lens focusing ring fixed on the camera lens of line-scan digital camera 4.Meanwhile, it is single that the micro machine in embodiment receives control
The control signal that member 3 is sent.
（3）Lighting unit for providing illumination for information acquisition unit.Lighting unit such as Fig. 2 institutes in the present embodiment
Show, including two row's lighting lamp groups 12, every group of lighting lamp group 12 is constituted by 5 LED illumination lamps, and two groups of lighting lamp groups 12
Also it is fixedly arranged on fixed support 5, in order to guarantee to provide good illuminating effect for line-scan digital camera 4, when setting, by two rows
Lighting lamp group 12 is fixedly arranged on the fixed support 5 between line-scan digital camera 4 and laser range finder jointly by support 13.
（4）For the positioning unit positioned to inspection car, the positioning unit in the present embodiment is included in the prior art
Photo electrical tacho generator 14, the photo electrical tacho generator 14 is fixedly arranged on the axletree of inspection car by fixing device
On, its signal output part connects control unit 3 by DISCHARGE PULSES EXTRACTION module.
As shown in figure 4, being provided with axle box cover 16 outside the wheel shaft 15 of the inspection car wheel, photo electrical tacho generator 14 is consolidated
On axle box cover 16, in order to ensure the precision of detection, the photo electrical tacho generator 14 is set with the coaxial line of wheel shaft 15, and
Rotated with wheel shaft 15.
（5）Power subsystem, for providing required electricity for above-mentioned information acquisition unit, lighting unit, positioning unit
Energy.Using battery of the prior art as power subsystem in the present embodiment, it is fixedly arranged in headstock 1, and the electricity of battery
Press output end difference link information collecting unit, lighting unit, the power input of positioning unit.
In addition, the internal memory of control unit 3 of the present embodiment contains the image clearly data, kilometer nominal data, work of collection
Range data, contrast model database, basic database, these data are drawn according to by experiment.
The tunnel cable fault method for inspecting of the present embodiment, relies on foregoing tunnel cable fault inspection system to realize,
As shown in figure 5, the tunnel cable fault method for inspecting comprises the following steps：
（A）Preparation：All parts are assembled according to Fig. 1, inspection car is normally-open to be entered behind tunnel, headstock 1
The interior control lighting unit of control unit 3 is opened, information acquisition unit starts to gather initial value, and control unit 3 is according to collection
The shooting angle and shooting focal length of information adjustment line-scan digital camera 4.Meanwhile, positioned at staff's input inspection car starting of control room
The calibration position of kilometer.
Specific control of the above-mentioned control unit 3 to line-scan digital camera 4 is：The memory storage of control unit 3 of the present embodiment has linear array
19 groups of numbers are provided with the parameter value of line-scan digital camera 4 between camera 4 and tunnel wall during different distance, such as the present embodiment altogether
Value, as shown in table 1：
In above-mentioned table 1, camera lens is turned clockwise by 0 degree of -90 degree, and the focusing ring mark number of teeth a, number of teeth rotates to be 4.5
Degree.As camera is initiated with 0 degree, shooting distance is 1 meter, shoots clear in subject, and camera lens rotates 15 teeth by 0 degree clockwise
Number a, number of teeth is 4.5 degree, then the anglec of rotation is 67.5 degree, i.e.,：15*4.5=67.5.Control unit 3 is according to table 1 by adjusting
Complete machine structure is adjusted to line-scan digital camera 4.
（One）Infomation detection：Information acquisition unit on inspection car is under the cooperation of lighting unit in real time to the line in tunnel
Cable carries out IMAQ, while positioning unit detects the positional information of inspection car in real time.
In addition, the laser range finder of information acquisition unit can gather the distance between inspection car and tunnel wall, photoelectricity in real time
Formula tachogenerator 14 can detect the number of turns that wheel turns in real time, and send the range information detected to control unit 3.
（Two）Information processing：Control unit receive information collecting unit is gathered after the information with positioning unit, to cable event
Barrier information and abort situation are analyzed, stored；
In the step, processing of the control unit 3 to information acquisition unit is：The real-time reception laser range finder of control unit 3
The wheel information that the distance between the line-scan digital camera 4 and tunnel wall that collect information, photo electrical tacho generator 14 are gathered, and deposit
The information collected, is compared, obtains comparison result by storage after storage with the last information for gathering storage.Specially：Control
The pathway model database of cable under normal circumstances that unit 3 processed is stored by cable image information in obtained tunnel with itself
Information is compared, and finds out faulty cable；The base in information and control unit that photo electrical tacho generator 14 is detected simultaneously
Data storage in plinth database is compared, it is determined that the cable broken down, and abort situation, provide foundation for maintenance.
And information processing of the control unit 3 to photo electrical tacho generator 14 is：Photo electrical tacho generator 14 then can be with
The number of turns that detection wheel is turned in real time, and the information of detection is real-time transmitted to control unit 3, control unit 3 can be calculated
The distance of inspection car traveling, to can obtain inspection car not compared with the position that the starting kilometer of staff's initial input is demarcated
With the position of time, i.e., the position that line-scan digital camera 4 can be shot to picture is determined.Specifically it is calculated as（Inspection car is set from entrance
Start at the uniform velocity to travel in tunnel）：
The operating range for obtaining vehicle is calculated by formula n=N/ (mT), wherein n is rotating speed, unit：Rev/min；N is
Pulse number is counted in sampling time（The signal number of laser velocimeter output）；T is sampling time, unit：Minute；M is every
The pulse number number of teeth of code-disc (be often referred to test the speed) produced by rotating a circle, usual m is 60, if m=60, then in 1 second
Pulse number N is exactly rotating speed n.Speed v=2nR π can be tried to achieve after obtained rotating speed n（R is radius of wheel）, and then can be in the hope of row
Sail apart from S=vt（T is inspection car running time）.
（Three）Control output：Including
1. the result that analysis is obtained is wirelessly transmitted to the Master Control Center of control room by control unit 3, and staff is carried out
Output display.Because control unit 3 can find faulty cable i.e. abort situation, therefore by these information transmissions to control centre
Afterwards, staff can directly see the situation of cable in tunnel on display, while can understand the position of faulty cable.
In addition, automatic recognition system can also be set in control unit 3, automatic identification mark is carried out to abort situation, detailed process is：
Gathered data is imported into automatic recognition system, automatic recognition system first carries cable pathway profile in the data of collection
Take out existing, contrast the cable pathway model library prestored, it is such as inconsistent with normal cable pathway model, then it is judged as there is event
Barrier（It is damaged）.
2. to the control of line-scan digital camera 4：Because ground is uneven in tunnel, and width changes at any time, in order to ensure line
The shooting effect of array camera 4, adjustment mechanism is under the control of control unit 3 in real time according to the width in tunnel, height adjustment linear array
The shooting angle and shooting focal length of camera 4, the adjustment are still adjusted according to table 1.For example, when tunnel height broadens, swashing
Optar sends the range information detected to control unit 3, the range information and upper one that control unit 3 gathers this
Secondary range information is compared, and judges that the numerical value of this time collection is more than the numerical value of last collection after comparison, you can judge tunnel
Road width broadens, it is necessary to tune up the shooting focal length of line-scan digital camera 4, and now the output control signal of control unit 3 makes micro- to micro machine
Motor is rotated forward, and then drives camera lens focusing ring to rotate by focusing gear 11, and light modulation gear 10 drives camera lens aperture ring
Rotation, final realize tunes up the focal length of line-scan digital camera 4, it is ensured that the shooting image of line-scan digital camera 4 it is clear.
（Four）Post-processing：The result that staff automatically analyzes according to system is further counted, and is obtained finally just
True result, and store.
The present embodiment can carry out fast inspection in the case where not needing staff to enter tunnel to cable in tunnel,
Faulty cable can not only be detected, while being able to detect that the position of faulty cable, is provided reliably for the maintenance of staff
Foundation, it is ensured that the safety of driving.
A kind of tunnel cable fault inspection system of embodiment two and corresponding tunnel cable fault method for inspecting
In the present embodiment, tunnel cable fault inspection system reference Fig. 1, it includes：
（1）Use railway with fuel oil locomotive as inspection car in the inspection car of automatic running, the present embodiment, F-Zero can
To reach 80KM/h.As shown in figure 1, the inspection car includes headstock 1 and the tailstock 2, on the lower surface of headstock 1 and the tailstock 2
Provided with wheel.Headstock 1 is carriage-type structure in the present embodiment, is fixedly provided with the control with the Master Control Center wireless connection of control room
Unit 3 processed；The tailstock 2 is a flat board, can be used to install miscellaneous part as mounting seat.
（2）The information acquisition unit of inspection is carried out to cable in tunnel.Information acquisition unit such as Fig. 2 institutes in the present embodiment
Show, including gather the line-scan digital camera 4 of cable image information in tunnel, the line-scan digital camera 4 is fixedly arranged on the tailstock by fixed support 5
On 2, while the image information that line-scan digital camera 4 is collected sends the control unit 3 set in headstock 1 to by circuit.
（3）Lighting unit for providing illumination for information acquisition unit.Lighting unit such as Fig. 2 institutes in the present embodiment
Show, including lighting lamp group 12, the lighting lamp group 12 is constituted by 5 LED illumination lamps, and lighting lamp group 12 is also fixedly arranged on fixation
On support 5, in order to guarantee to provide good illuminating effect for line-scan digital camera 4, when setting, the present embodiment is provided with two altogether
Row's lighting lamp group 12 is fixedly arranged on fixed support 5 by support 13.
（4）For the positioning unit positioned to inspection car, the positioning unit in the present embodiment is included in the prior art
Photo electrical tacho generator 14, the photo electrical tacho generator 14 is fixedly arranged on the axletree of inspection car by fixing device
On, its signal output part connects control unit 3 by DISCHARGE PULSES EXTRACTION module.
As shown in figure 4, being provided with axle box cover 16 outside the wheel shaft 15 of the inspection car wheel, photo electrical tacho generator 14 is consolidated
On axle box cover 16, in order to ensure the precision of detection, the photo electrical tacho generator 14 is set with the coaxial line of wheel shaft 15, and
Rotated with wheel shaft 15.
（5）Power subsystem, for providing required electricity for above-mentioned information acquisition unit, lighting unit, positioning unit
Energy.Using battery of the prior art as power subsystem in the present embodiment, it is fixedly arranged in headstock 1, and the electricity of battery
Press output end difference link information collecting unit, lighting unit, the power input of positioning unit.
In addition, the internal memory of control unit 3 of the present embodiment contains the image clearly data, kilometer nominal data, work of collection
Range data, contrast model database, basic database, these data are drawn according to by experiment.
The tunnel cable fault method for inspecting of the present embodiment, relies on foregoing tunnel cable fault inspection system to realize,
As shown in figure 5, the tunnel cable fault method for inspecting comprises the following steps：
（A）Preparation：All parts are assembled according to Fig. 1, inspection car is normally-open to be entered behind tunnel, headstock 1
The interior control lighting unit of control unit 3 is opened, information acquisition unit starts to gather initial value, staff's adjustment line-scan digital camera
4 shooting angle and shooting focal length.Meanwhile, staff's input inspection car positioned at control room originates the calibration position of kilometer.
（One）Infomation detection：Information acquisition unit on inspection car is under the cooperation of lighting unit in real time to the line in tunnel
Cable carries out IMAQ, while positioning unit detects the positional information of inspection car in real time.
In addition, the laser range finder of information acquisition unit can gather the distance between inspection car and tunnel wall, photoelectricity in real time
Formula tachogenerator can detect the number of turns that wheel turns in real time, and send the range information detected to control unit 3.
（Two）Information processing：Control unit receive information collecting unit is gathered after the information with positioning unit, to cable event
Barrier information and abort situation are analyzed, stored.
In the step, information processing of the control unit 3 to photo electrical tacho generator 14 is：Photo electrical tacho generator 14
It can then detect the number of turns that wheel is turned in real time, and the information of detection is real-time transmitted to control unit 3, control unit 3 can be with
The distance of inspection car traveling is calculated, to can be patrolled compared with the position that the starting kilometer of staff's initial input is demarcated
The position of car different time is examined, i.e., the position that line-scan digital camera 4 can be shot to picture is determined.Specifically it is calculated as（Set inspection car
At the uniform velocity to travel since entering in tunnel）：
The operating range for obtaining vehicle is calculated by formula n=N/ (mT), wherein n is rotating speed, unit：Rev/min；N is
Pulse number is counted in sampling time（The signal number of laser velocimeter output）；T is sampling time, unit：Minute；M is every
The pulse number number of teeth of code-disc (be often referred to test the speed) produced by rotating a circle, usual m is 60, if m=60, then in 1 second
Pulse number N is exactly rotating speed n.Speed v=2nR π can be tried to achieve after obtained rotating speed n（R is radius of wheel）, and then can be in the hope of row
Sail apart from S=vt（T is inspection car running time）.
（Three）Control output：Including
1. the result that analysis is obtained is wirelessly transmitted to the Master Control Center of control room by control unit 3, and staff is carried out
Output display.Because control unit 3 can find faulty cable i.e. abort situation, therefore by these information transmissions to control centre
Afterwards, staff can directly see the situation of cable in tunnel on display, while can understand the position of faulty cable.
In addition, automatic recognition system can also be set in control unit 3, automatic identification mark is carried out to abort situation, detailed process is：
Gathered data is imported into automatic recognition system, automatic recognition system first carries cable pathway profile in the data of collection
Take out existing, contrast the cable pathway model library prestored, it is such as inconsistent with normal cable pathway model, then it is judged as there is event
Barrier（It is damaged）.
（Four）Post-processing：The result that staff automatically analyzes according to system is further counted, and is obtained finally just
True result, and store.
The present embodiment can carry out fast inspection in the case where not needing staff to enter tunnel to cable in tunnel,
Faulty cable can not only be detected, while being able to detect that the position of faulty cable, is provided reliably for the maintenance of staff
Foundation, it is ensured that the safety of driving.
Claims (6)
1. a kind of tunnel cable fault inspection system, it is characterised in that：It is solid on inspection car including automatic running, the inspection car
Information gathering list provided with the control unit with the Master Control Center wireless connection of control room, for carrying out inspection to cable in tunnel
Member, the lighting unit for providing illumination for information acquisition unit, and for providing the power subsystem of electric energy, described information is adopted
The signal output part for collecting unit connects the signal input part of control unit, and power subsystem connects control unit, information gathering respectively
The power end of unit, lighting unit；It also includes the positioning unit for being used to position inspection car, the letter of the positioning unit
Number output end connection control unit；
Using railway with fuel oil locomotive as the inspection car, F-Zero can reach 80KM/h；The inspection car includes car
Head and the tailstock, wheel is equipped with the lower surface of headstock and the tailstock；The headstock is carriage-type structure；The tailstock is one flat
Plate, can be used to install miscellaneous part as mounting seat；
Described information collecting unit includes the line-scan digital camera of cable image information in collection tunnel, and the line-scan digital camera passes through fixation
Support is fixedly arranged on the tailstock, while the image information that line-scan digital camera is collected sends the control list set in headstock to by circuit
Member；
Described information collecting unit also includes the adjustment mechanism being adjusted to the focal length and shooting angle of line-scan digital camera, the tune
Complete machine structure includes the revolving part for being used to adjust line-scan digital camera shooting angle, and for measuring distance between line-scan digital camera and tunnel
Range measurement part, the force piece that is fixedly arranged on line-scan digital camera；The revolving part includes rotary head, and line-scan digital camera is installed in rotation
Turn on head, and rotary head is fixedly arranged on revolving part, while the control of the control signal of the controlled unit output of rotary head；
The range measurement part uses laser range finder, is fixedly arranged on support bracket fastened two ends respectively with line-scan digital camera；The laser
The signal output part of rangefinder connects the detection signal input part of control unit, the laser range finder detect in real time inspection car with
The distance between tunnel wall, and the data detected are real-time transmitted to control unit；
The force piece uses micro machine, and the micro machine is fixedly arranged on the side of line-scan digital camera, and the clutch end of micro machine connects
Connect and light modulation gear and focusing gear, the light modulation gear are installed with micro-reducer, the power output shaft of the micro-reducer
Wheel is meshed with aperture ring fixed on line-scan digital camera camera lens, the focusing gear and camera lens pair fixed on line-scan digital camera camera lens
Burnt ring is meshed；The control signal that the micro machine reception control unit is sent；
The lighting unit includes two groups of lighting lamp groups, and every group of lighting lamp group is constituted by 5 LED illumination lamps, and two groups of illuminations
Lamp group is also fixedly arranged on fixed support, in order to guarantee to provide good illuminating effect for line-scan digital camera, when setting, by two
Group lighting lamp group is fixedly arranged on the fixed support between line-scan digital camera and laser range finder jointly by support；
The positioning unit includes photo electrical tacho generator, and the photo electrical tacho generator is fixedly arranged on by fixing device to patrol
On the axletree for examining car, its signal output part connects control unit by DISCHARGE PULSES EXTRACTION module；
Axle box cover is installed outside the wheel shaft of the inspection car wheel, photo electrical tacho generator is fixedly arranged on axle box cover, in order to protect
The precision of detection is demonstrate,proved, the photo electrical tacho generator is set with wheel shaft coaxial line, and is rotated with wheel shaft；
Described control unit internal memory contains the image clearly data, kilometer nominal data, operating distance data, contrast model of collection
Database, basic database, the data of described control unit memory storage are drawn by experiment.
2. a kind of tunnel cable fault method for inspecting, is completed, it is special as the tunnel cable fault inspection system described in claim 1
Levy and be that the method for inspecting comprises the following steps：
(1) infomation detection：Information acquisition unit on inspection car enters to the cable in tunnel in real time under the cooperation of lighting unit
Row IMAQ, while positioning unit detects the positional information of inspection car in real time；
(2) information processing：Control unit receive information collecting unit is gathered after the information with positioning unit, and cable fault is believed
Breath and abort situation are analyzed, stored；
(3) control output：The result that analysis is obtained is wirelessly transmitted to the Master Control Center of control room by control unit, to work people
Member carries out output display.
3. cable fault method for inspecting in tunnel according to claim 2, it is characterised in that：Information is adopted in the step (1)
The signal of collection unit collection include the distance between the line-scan digital camera that measures in real time of range measurement part and tunnel wall information and
The cable image information of line-scan digital camera collection, above-mentioned range information and cable image information is real-time transmitted to control unit.
4. cable fault method for inspecting in tunnel according to claim 2, it is characterised in that：To information in the step (2)
Processing includes distance and the linear array that itself is stored between the line-scan digital camera that control unit detects range measurement part and tunnel wall
Different distance interval is compared between camera and tunnel wall, interval range residing for the distance that analysis measurement is arrived, and finds the distance
The focal length value of correspondence line-scan digital camera in interval.
5. cable fault method for inspecting in tunnel according to claim 4, it is characterised in that：Also include in the step (3)
Adjustment of the control unit to line-scan digital camera focal length:Control unit is corresponding according to distance between the line-scan digital camera and tunnel wall of storage
Focal length value, output control signal drives focusing gear and light modulation pinion rotation, adjusted to force piece and rotating mechanism, control force piece
Light gear band index glass head aperture ring is rotated, and focusing gear band index glass head focusing ring is rotated, meanwhile, control rotating mechanism is revolved
Turn, it is the numerical value prestored in control unit to make line-scan digital camera its focal length value in image-capture field.
6. cable fault method for inspecting in tunnel as claimed in any of claims 2 to 5, it is characterised in that：
1. step (A) is additionally provided with before the step (1), i.e.,：
(A) unit part is installed on inspection car, control unit adjusts the bat of line-scan digital camera in information acquisition unit
Angle and focal length are taken the photograph, while the artificial original position to inspection car is demarcated；
2. step (4) is additionally provided with after step (3), i.e.,：
(4) post-processing：The result that staff automatically analyzes according to system is further counted, and obtains final correct
As a result, and store.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015209246A1 (en) * | 2015-05-20 | 2016-11-24 | Robert Bosch Gmbh | System and method for performing adjustments on a motor vehicle |
| CN106454278A (en) * | 2016-11-30 | 2017-02-22 | 广州日滨科技发展有限公司 | Fault detection method and device of downhole control system |
| CN109085177B (en) * | 2018-08-22 | 2022-03-04 | 佳讯飞鸿（北京）智能科技研究院有限公司 | Leaky cable appearance detection method and device based on RFID positioning |
| CN111207304B (en) * | 2018-11-22 | 2021-09-14 | 北京世纪东方通讯设备有限公司 | Railway tunnel leaky cable vision inspection device and product positioning detection method |
| CN111212217B (en) * | 2018-11-22 | 2021-07-13 | 北京世纪东方通讯设备有限公司 | Railway tunnel leaky cable image acquisition device |
| CN111208146B (en) * | 2018-11-22 | 2023-05-16 | 北京世纪东方智汇科技股份有限公司 | Tunnel cable detection system and detection method |
| CN109669453A (en) * | 2018-12-09 | 2019-04-23 | 山东文登抽水蓄能有限公司 | The automatic detecting method of intelligent balance vehicle |
| CN109459433A (en) * | 2018-12-21 | 2019-03-12 | 成都旭伟合力科技有限公司 | A kind of portable image detecting system of leakage coaxial cable |
| CN113092494B (en) * | 2021-03-25 | 2022-07-22 | 中车青岛四方车辆研究所有限公司 | Inspection robot and intelligent detection method for train tunnel structure diseases |
| CN113188589B (en) * | 2021-04-01 | 2023-02-03 | 山东大学 | Full-time intelligent monitoring equipment and method for subway tunnel |
| CN113466610B (en) * | 2021-05-26 | 2022-11-29 | 国网山西省电力公司吕梁供电公司 | Cable tunnel obstacle removing device and cable tunnel obstacle removing method |
| CN115355952B (en) * | 2022-10-20 | 2023-01-20 | 山东联合能源管道输送有限公司 | Intelligent inspection system for crude oil storage tank |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101670578B (en) * | 2009-09-17 | 2011-06-01 | 北京深浪电子技术有限公司 | Arm extending type braking multi-CCD full-angle route inspecting robot |
| DE102012215544A1 (en) * | 2012-08-31 | 2014-03-06 | Siemens Aktiengesellschaft | Monitoring a railway line |
| CN102880179B (en) * | 2012-09-19 | 2016-01-27 | 山东康威通信技术股份有限公司 | Multifunctional intelligent crusing robot in a kind of electric power tunnel |
| CN203165044U (en) * | 2013-01-30 | 2013-08-28 | 上海铁路局科学技术研究所 | Vehicle-mounted intelligent track inspection system |
| CN103729908A (en) * | 2014-01-09 | 2014-04-16 | 中南大学 | Intelligent inspection device of railway tunnel and application method thereof |
| CN204129785U (en) * | 2014-09-05 | 2015-01-28 | 河北华恒信通信技术有限公司 | Tunnel cable fault inspection system |
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