CN207758804U - Automatic passing over of neutral section ground sensing device detecting system - Google Patents
Automatic passing over of neutral section ground sensing device detecting system Download PDFInfo
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- CN207758804U CN207758804U CN201721894400.7U CN201721894400U CN207758804U CN 207758804 U CN207758804 U CN 207758804U CN 201721894400 U CN201721894400 U CN 201721894400U CN 207758804 U CN207758804 U CN 207758804U
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Abstract
The utility model discloses a kind of automatic passing over of neutral section ground sensing device detecting systems, magnetic field detection probe (2) and camera (3) mounted on the external left and right sides of train (1), are mounted on the internal control box (4) of train (1) and industrial personal computer (5)；Magnetic field detection probe (2) passes through RS485 buses and connects control box (4), control box (4) connects camera (3) by power cord, control box (4) is connected by RS232 buses with industrial personal computer (5), and industrial personal computer (5) connects camera (3) by cable；The utility model is popped one's head in by magnetic field detection and is measured into Mobile state ground sensor magnetic field；Ground sensor image is acquired by camera；Pass through the double check to ground sensor appearance and performance, ground sensor not up to standard can be found in time, effectively prevent to cause to charge split-phase accident because of ground sensor problem, improves the reliability of automatic neutral-section passing system, while also simplifying field personnel's operation intensity and task difficulty.
Description
Technical field
The utility model belongs to electric locomotive automatic passing over of neutral section Function detection technical field, more particularly to a kind of automatic excessive
Phase ground sensing device detecting system.
Background technology
Electric railway power grid uses single phase power supply, and electric system is then three-phase power supply system.In order to make electrified iron
Road takes stream almost symmetry from Three-phase Power Systems power grid, and electric railway uses split-phase and is segmented the method for taking stream, i.e., every 20
A phase-separating section is arranged in~25km, and adjacent phase-separating section is powered by the two-phase of out of phase, and there are about the confessions of 30m or so for adjacent phase-separating section
Area is electrocuted, thus there are problems that how electric locomotive passes through phase-separating section.To prevent phase fault, generally use at present
" power-down mode is automatically controlled on vehicle " is received by automatic passing over of neutral section ground sensing device (being subsequently referred to as ground sensor), vehicle-mounted induction
Device, it is vehicle-mounted control system composition, wherein ground sensor is used to provide location information in split-phase region, inform onboard system close,
Disconnecting, which is touched net, powers.It is as shown in Figure 1 to feel sensing device schematic diagram to phase separation point position.It is vertically projected to steel with neutral section both ends
On rail, both sides measure a Room distance a respectively to the left and right, fix the installation site of first group of ground sensor, which also known as forces
Point；Certain distance b is measured with this point respectively to the left and right again, fixs the installation site of the second ground sensor, which is known as predicting
Point.Recovery point when advance notice point and forced point when reverse phase is run also are run as forward direction uses, and feels on four ground of phase separation point
Device can all be used in forward and reverse pick up.
Automatic neutral-section passing system is received by automatic passing over of neutral section ground sensing device (being subsequently referred to as ground sensor), vehicle-mounted induction
Device, vehicle control syetem three parts composition.
The ground sensor of automatic neutral-section passing system is substantially a permanent magnet, and vehicle-mounted sense is triggered by the magnetic field of the permanent magnet
Reception device is answered to output signal to rear grade train controlling system, can the quality and magnets magnetic fields intensity of magnet are directly related to
Effectively trigger vehicle-mounted induction reception device.It is existing to be both for vehicle-mounted part for automatic neutral-section passing system automatic checkout equipment
The detection for incuding reception device, control system uses manually periodically go to each split-phase at present for the detection of ground sensing device
Point is detected manually with magnetic-field-measuring device, and that there are operation intensities is big, detection cycle is long, detection data accuracy is by manual operation shadow
It rings, be not easy to test data concentration, be not easy to the problems such as trace analysis, a kind of automation of operation field feedback urgent need solution is surveyed
Device is measured to solve the problems, such as this.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind by ground sensor appearance and property
The double check of energy, can find ground sensor not up to standard in time, effectively prevent to cause to charge split-phase thing because of ground sensor problem
Therefore improve the automatic passing over of neutral section ground sensing device detecting system of the reliability of automatic neutral-section passing system.
The purpose of this utility model is achieved through the following technical solutions：The sensing device detection of automatic passing over of neutral section ground
System, magnetic field detection probe and the camera being mounted at left and right sides of train exterior, the control box being mounted on inside train and industry control
Machine；Magnetic field detection probe connects control box by RS485 buses, and control box connects camera by power cord, and control box passes through
RS232 buses are connected with industrial personal computer, and industrial personal computer connects camera by cable；
The magnetic field intensity of ground sensor of the magnetic field detection probe for detecting corresponding direction, and collected magnetic field intensity is believed
Number pass through RS485 bus transfers to control box；
Camera is used to carry out Image Acquisition to the ground sensor on corresponding direction, and collected ground sensor image is passed through net
Line is transmitted to industrial personal computer；
For handling collected magnetic field intensity signal, and by treated, magnetic field intensity signal passes through control box
RS232 bus transfers are to industrial personal computer；Control box is additionally operable to provide power supply for camera；
Industrial personal computer according to processing result image and is received for handling the collected ground sensor image of camera
Magnetic field intensity signal judge whether ground sensor normal.
Further, the magnetic field detection probe is made of multiple Hall sensors.
Further, the control box include multi-channel high-speed synchronize ADC module, MCU module, RS485 interface modules and
RS232 interface module；The output end of Hall sensor passes through RS485 drive module connecting multi-channel high-speed synchronous ADC moulds respectively
Block, multi-channel high-speed synchronize ADC module and are used to synchronize acquisition to the output signal of multiple Magnetic Sensors, and by analog signal
It is converted into digital signal；The output end that multi-channel high-speed synchronizes ADC module connects MCU module, and the output end of MCU module passes through
RS232 interface module is connected with industrial personal computer.
Further, the height of the camera from the ground is 700~800mm；The acquisition range of camera is to be with ground sensor
Center, radius are the border circular areas of 600~800mm.
The utility model has the beneficial effects that：
1, by installing magnetic field detection probe at left and right sides of train, ground sensor magnetic field is carried out during train operation
Dynamic measures；By installing camera at left and right sides of train, ground sensor image, Neng Goutong are constantly acquired during train operation
Even if crossing image procossing finds damaged ground sensor；By the double check to ground sensor appearance and performance, can send out in time
Now ground sensor not up to standard effectively prevents to cause to charge split-phase accident because of ground sensor problem, improves automatic neutral-section passing system
Reliability, while also simplified field personnel's operation intensity and task difficulty, the detection probe of the utility model can directly pacify
It is easy for installation on the train that catenary design, track operation vehicle etc. can carry out job state detection, it is easy to operate, easily
In popularization；
2, the multiple Magnetic Sensors of setting, multiple Magnetic Sensors are spare each other in detector for magnetic field, it can be ensured to be measured
The all standing of ground sensor, while to adapt to the serpentine locomotion in train travelling process, it is ensured that not test leakage；
3, using high-speed synchronous AD acquisition techniques, it can adapt to the short shape of useful signal duration under train high-speed cruising
State, and probe output is digital signal, strong interference immunity；Standard is used between detector for magnetic field and vehicle-mounted detecting system
Bus exports, and is convenient for expanded application.
Description of the drawings
Fig. 1 is the phase separation point position ground sensing device schematic diagram of the utility model；
Fig. 2 is the automatic passing over of neutral section ground sensing device detection system structure of the utility model；
Fig. 3 is the camera position schematic diagram of the utility model；
Reference sign：1- trains, 2- magnetic field detections probe, 3- cameras, 4- control box, 5- industrial personal computers, 6- ground sensors.
Specific implementation mode
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Fig. 2, automatic passing over of neutral section ground sensing device detecting system, is mounted on the magnetic of the 1 outside left and right sides of train
Field detecting probe 2 and camera 3, the control box 4 being mounted on inside train 1 and industrial personal computer 5；Magnetic field detection probe 2 is total by RS485
Line connects control box 4, and control box 4 connects camera 3 by power cord, and control box 4 is connected by RS232 buses with industrial personal computer 5, work
Control machine 5 connects camera 3 by cable；
The magnetic field intensity of ground sensor 6 of the magnetic field detection probe 2 for detecting corresponding direction, and by collected magnetic field intensity
Signal passes through RS485 bus transfers to control box 4；
Camera 3 is used to carry out Image Acquisition to the ground sensor 6 on corresponding direction, and collected ground sensor image is passed through
Network cable transmission is to industrial personal computer 5；
Control box 4 for handling collected magnetic field intensity signal, and by treated, lead to by magnetic field intensity signal
RS232 bus transfers are crossed to industrial personal computer 5；Control box 4 is additionally operable to provide power supply for camera 3；
Industrial personal computer 5 is used to handle the collected ground sensor image of camera, and according to processing result image and reception
The magnetic field intensity signal arrived judges whether ground sensor is normal.
Further, the magnetic field detection probe 2 is made of multiple Hall sensors, general each magnetic field detection probe 2
Two Hall sensors of interior setting, it is spare each other, it is ensured that treat all standing of geodetic sensor, while to adapt to train travelling process
In serpentine locomotion, it is ensured that not test leakage.
Further, the control box include multi-channel high-speed synchronize ADC module, MCU module, RS485 interface modules and
RS232 interface module；The output end of Hall sensor passes through RS485 drive module connecting multi-channel high-speed synchronous ADC moulds respectively
Block, multi-channel high-speed synchronize ADC module and are used to synchronize acquisition to the output signal of multiple Magnetic Sensors, and by analog signal
It is converted into digital signal, the sampling time can be shortened, it is short to adapt to the useful signal duration in the case of train high-speed mobile
State can be detected dynamic magnetic field；The output end that multi-channel high-speed synchronizes ADC module connects MCU module, MCU docking
The data received are handled and are stored, and the effective magnetic field data of ground sensor are calculated；The output end of MCU module is connect by RS232
Mouth mold block is connected with industrial personal computer.
As shown in figure 3, a diameter of 17mm of ground sensor.The height of the camera 3 from the ground is 700~800mm；Camera
3 acquisition range is centered on ground sensor, and radius is the border circular areas of 600~800mm.Preferably, phase in the utility model
Machine terrain clearance is 750mm, and Angle between two cameras is about 49 degree, and camera acquisition range is centered on ground sensor, and radius is 700mm's
Border circular areas.
Further, the magnetic field detection probing shell of the utility model is using conductive but non-magnetic nonferrous materials system
Make, inside the housing by Hall sensor setting, Hall sensor can be protected.Live complicated electricity can be also excluded simultaneously
The influence that magnetic environment acquires probe data, the non-magnetic characteristic of shell, which makes detector for magnetic field not, influences point in ground sensor magnetic field
Cloth, it is ensured that the magnetic line of force of ground sensor is lossless to be passed on the Magnetic Sensor in detector for magnetic field；The conductive characteristic of shell makes magnetic field
Electric current in detection device is grounded by train connected to it, makes to form complete shielding cavity in detector for magnetic field.Outside
Shell enhances the intensity of probing shell using metal material, is more suitable for Railway Site complexity, severe application environment.
The utility model in 1 operational process of train by 1 left and right sides installation magnetic field detection probe 2 of train, passing through
The magnetic field detection probe 2 of both sides respectively measures 6 magnetic field of ground sensor in this direction into Mobile state, by the ground sensor magnetic field of measurement
Data transmission to control box 4, control box 4 carries out simple process to magnetic field data and is then transferred to industrial personal computer 5.5 basis of industrial personal computer
The data detected are compared with preset data in system, judge whether the performance indicator of the ground sensor 6 reaches criterion numeral
According to, be able to detect that the decline sign of ground sensor 6, ground sensor 6 not up to standard overhauled and replaced in time, take precautions against not
So.
Meanwhile camera 3 will collect ground sensor image by network cable transmission to industrial personal computer 5, industrial personal computer 5 is to ground sensor image
It is handled, is compared with the ground sensor picture of systemic presupposition, judge whether the ground sensor 6 damages.
The detecting system of the utility model is not only limited to the ground sensor of automatic neutral-section passing system, also include Railway Site its
The detection of its magnetic sensor, such as：The passive wheel sensor that 5T systems, automatic axle counting system, crossing system largely use,
Its magnetic state can be detected by this technology, finds magnetic apparatus performance indicator decline sign in time.The utility model
Detector for magnetic field output signal exports for digital signal, strong interference immunity, and magnetic field detection probe, camera and control box, work
It is exported using STD bus between control machine, is convenient for expanded application.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this reality
With novel principle, it should be understood that the scope of the present invention is not limited to such specific embodiments and embodiments.
Those skilled in the art can make according to the technical disclosures disclosed by the utility model various does not depart from this practicality
Novel substantive various other specific variations and combinations, these variations and combinations are still within the protection scope of the present invention.
Claims (4)
1. automatic passing over of neutral section ground sensing device detecting system, which is characterized in that be mounted on the magnetic of the external left and right sides of train (1)
Field detecting probe (2) and camera (3) are mounted on the internal control box (4) of train (1) and industrial personal computer (5)；Magnetic field detection is popped one's head in
(2) control box (4) is connected by RS485 buses, control box (4) connects camera (3) by power cord, and control box (4) passes through
RS232 buses are connected with industrial personal computer (5), and industrial personal computer (5) connects camera (3) by cable.
2. automatic passing over of neutral section ground sensing device detecting system according to claim 1, which is characterized in that the magnetic field inspection
Probing head (2) is made of multiple Hall sensors.
3. automatic passing over of neutral section ground sensing device detecting system according to claim 2, which is characterized in that the control box
ADC module, MCU module, RS485 interface modules and RS232 interface module are synchronized including multi-channel high-speed；Hall sensor it is defeated
Respectively by RS485 drive module connecting multi-channel high-speed synchronous ADC module, multi-channel high-speed synchronizes ADC module and is used for outlet
Acquisition is synchronized to the output signal of multiple Magnetic Sensors, and converts analog signals into digital signal；Multi-channel high-speed is same
The output end for walking ADC module connects MCU module, and the output end of MCU module is connected by RS232 interface module with industrial personal computer.
4. automatic passing over of neutral section ground sensing device detecting system according to claim 1, which is characterized in that the camera
(3) height from the ground is 700~800mm；The acquisition range of camera (3) be centered on ground sensor, radius be 600~
The border circular areas of 800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721894400.7U CN207758804U (en) | 2017-12-29 | 2017-12-29 | Automatic passing over of neutral section ground sensing device detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721894400.7U CN207758804U (en) | 2017-12-29 | 2017-12-29 | Automatic passing over of neutral section ground sensing device detecting system |
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| CN207758804U true CN207758804U (en) | 2018-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108146466A (en) * | 2017-12-29 | 2018-06-12 | 成都森川科技股份有限公司 | Automatic passing over of neutral section ground sensing device detecting system |
| CN111016972A (en) * | 2019-12-16 | 2020-04-17 | 成都国铁电气设备有限公司 | Detection system and detection method of vehicle-mounted automatic neutral section passing sensor |
-
2017
- 2017-12-29 CN CN201721894400.7U patent/CN207758804U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108146466A (en) * | 2017-12-29 | 2018-06-12 | 成都森川科技股份有限公司 | Automatic passing over of neutral section ground sensing device detecting system |
| CN111016972A (en) * | 2019-12-16 | 2020-04-17 | 成都国铁电气设备有限公司 | Detection system and detection method of vehicle-mounted automatic neutral section passing sensor |
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