CN210665526U - Vehicle-mounted bow net dynamic detection platform - Google Patents
Vehicle-mounted bow net dynamic detection platform Download PDFInfo
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- CN210665526U CN210665526U CN201921520705.0U CN201921520705U CN210665526U CN 210665526 U CN210665526 U CN 210665526U CN 201921520705 U CN201921520705 U CN 201921520705U CN 210665526 U CN210665526 U CN 210665526U
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Abstract
The utility model discloses a vehicle-mounted bow net dynamic detection platform, which comprises a detection mounting platform, wherein the detection mounting platform is a cuboid with a hollow middle part, the bottom of the detection mounting platform is fixedly connected with a punching bolt at the top of a carriage, and the detection mounting platform is provided with a plurality of threading elbow holes running through the top of the carriage; the device comprises a detection mounting platform, a geometric parameter measuring unit, a pantograph dynamic monitoring unit, a catenary suspension imaging unit, a pantograph-catenary infrared temperature measuring unit, a contact wire abrasion detection unit, wireless communication equipment, a trigger device and a power supply control box, wherein the detection mounting platform is fixed on the detection mounting platform through bolts, and the equipment is in cable connection with a control processing system in a carriage through a threading elbow hole.
Description
Technical Field
The utility model belongs to the technical field of rail transit bow net detects, especially relate to a vehicle-mounted bow net dynamic testing platform.
Background
In rail transit, a train gets electricity through contact of a sliding plate on a pantograph and a contact wire, and a stable current receiving state must be kept in high-speed running of the train. However, the abnormal working condition between the pantograph and the overhead line system often causes a single-system fault, which seriously affects the normal operation, wherein the respective reasons of the pantograph or the overhead line system are not lacked, but more reflected is that the working condition of the joint of the pantograph and the overhead line system has a problem. In addition, due to different design characteristics of the pantograph and the power supply contact network, common pantograph and catenary problems mainly include eccentric wear of a pantograph slide plate, loosening of a pantograph screw, falling of foreign matters in the contact network, pantograph and catenary arcing and the like. Due to the high-current power supply characteristic of the current subway system, the pantograph fault can cause the power supply system to trip or the vehicle to be damaged, and directly causes operation interruption and delay.
The method for checking the abrasion and abnormal conditions of the pantograph by manually climbing the roof is the most traditional checking mode, has low working efficiency and high working strength, cannot know the conditions of a power supply network in a line, and cannot meet the requirements of rapid development of urban rail transit in China and high operation efficiency and high accuracy.
In order to improve the operation efficiency and reliability of rail transit trains, bow net monitoring systems of the trains are more and more widely applied at home and abroad, the matching and reliability of a pantograph and a contact net of the trains are detected in real time, meanwhile, the safety of a current receiving system is verified, the characteristics of the bow net are monitored, faults are timely maintained, and the expansion and the deterioration of the faults are prevented.
However, in the existing detection system, some detection devices are arranged at stations, maintenance bases or main line fixed positions along the way, and dynamic real-time detection cannot be carried out on the bow net condition; some detection equipment parts are arranged on the train, and other parts are still arranged in fixed places, so that the problems of bow nets cannot be comprehensively detected in real time and timely treated.
Disclosure of Invention
An object of the utility model is to prior art's shortcoming and not enough, provide an on-vehicle bow net dynamic verification platform, through set up the testing platform who has streamlined integrative compact structure on the train carriage top surface, on installing the train with as much as possible monitoring facilities, realize carrying out comprehensive dynamic verification to the train bow net, improve the detectability and deal with the ageing, prevent the accident that probably takes place.
In order to achieve the above object, the utility model adopts the following technical scheme:
a vehicle-mounted bow net dynamic detection platform comprises a detection mounting platform, wherein the detection mounting platform is a cuboid with a hollow middle part, the bottom of the detection mounting platform is fixedly connected with a punching bolt at the top of a carriage, and the detection mounting platform is provided with a plurality of threading elbow holes penetrating through the top of the carriage; the device comprises a detection mounting table, a geometric parameter measuring unit, a pantograph dynamic monitoring unit, a catenary suspension imaging unit, a pantograph-catenary infrared temperature measuring unit, a contact wire abrasion detection unit, wireless communication equipment, a trigger device and a power supply control box, wherein the detection mounting table is fixedly connected with the geometric parameter measuring unit, the pantograph-catenary dynamic monitoring unit, the catenary suspension imaging unit, the pantograph-catenary infrared temperature measuring unit, the contact wire abrasion detection unit, the wireless communication equipment, the trigger device and the power supply control box through bolts; the detection mounting table and the equipment fixedly connected with the detection mounting table are designed to be in a streamline integrated compact structure.
Furthermore, the geometric parameter measuring unit comprises two groups of linear array cameras and lasers, the two groups of linear array cameras and the lasers are symmetrically distributed along the center line of the carriage in the length direction respectively, and the two groups of linear array cameras and the lasers are simultaneously aligned to the same bottom of the contact line.
Further, the pantograph dynamic monitoring unit comprises two sets of high-speed high-definition industrial digital cameras and LED infrared light supplementing lamps, wherein the two sets of high-speed high-definition industrial digital cameras and the LED infrared light supplementing lamps are respectively aligned to the pantograph monitoring area from the left side and the right side.
Further, the contact net hangs imaging unit includes four groups of high-speed high definition industry digital cameras, laser instrument and the infrared light filling lamp of LED, four groups of high-speed high definition industry digital cameras, laser instrument and the infrared light filling lamp of LED set up respectively in the position that is close to four angles of detection mount table, aim at around monitoring contact net busbar and strutting arrangement and control the position.
Further, the bow net infrared temperature measurement unit comprises an infrared thermal imager and an LED infrared light supplement lamp, and aims at the bow net area to monitor the temperature.
Furthermore, the contact line wear detection unit comprises four groups of area-array cameras and lasers, wherein the four groups of area-array cameras and the lasers are respectively arranged in parallel and symmetrically along the center line of the carriage in the length direction and respectively align with the contour positions of the bottom surface of the contact line in different directions.
Further, the device also comprises an ultraviolet arcing detection unit which is fixed in the pantograph area through bolt connection, wherein the ultraviolet arcing detection unit comprises ultraviolet detectors, at least four ultraviolet detectors are symmetrically arranged in each pantograph area side by side along the center line of the carriage length direction, and the ultraviolet detectors are respectively aligned with different positions of the contact area of the contact line and the sliding plate for monitoring the pantograph.
Further, the wireless communication device is a mobile communication module compatible with 4G and 5G or a WIFI wireless communication module; the triggering device comprises a plurality of triggering modules for synchronously triggering the digital camera, the laser and the LED infrared light supplement lamp.
Further, the power supply control box comprises three sets of switching power supplies of direct current 24V output, 12V output and 5V output.
Furthermore, the detection mounting table is H-shaped, the length, width and height of the detection mounting table are 2750 multiplied by 1840 multiplied by 280mm, and the distance between the mounting position and the pantograph is 5500-6500 mm.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the bow net of the train is comprehensively and dynamically detected by installing as many monitoring devices as possible on the train, so that the detection capability and the disposal timeliness are improved, and possible accidents are prevented; meanwhile, the detection platform is designed to have a streamline integrated compact structure, so that the space occupied by the detection platform equipment is reduced, and the influence of wind resistance is also reduced.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle-mounted bow net dynamic detection platform;
FIG. 2 is a top view of a vehicle mounted pantograph dynamic inspection platform and a roof of a car;
fig. 3 is a left side view of the vehicle-mounted bow net dynamic detection platform and the carriage body.
The labels in the figure are: the method comprises the following steps of 1-detecting an installation table, 2-a geometric parameter measuring unit, 3-a pantograph dynamic monitoring unit, 4-a contact net suspension imaging unit, 5-a pantograph infrared temperature measuring unit, 6-a contact line abrasion detecting unit, 7-an ultraviolet arcing detecting unit, 8-wireless communication equipment, 9-a triggering device, 10-a power supply control box and 11-a threading elbow hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Examples
As shown in fig. 1 to 3, the vehicle-mounted bow net dynamic detection platform comprises a detection mounting platform 1, wherein the detection mounting platform 1 is a cuboid with a hollow middle part, the bottom of the detection mounting platform 1 is fixedly connected with a punching bolt at the top of a carriage, and the detection mounting platform 1 is provided with a plurality of threading elbow holes 11 penetrating through the top of the carriage; the device comprises a detection mounting table 1, a geometric parameter measuring unit 2, a pantograph dynamic monitoring unit 3, a contact net suspension imaging unit 4, a pantograph net infrared temperature measuring unit 5, a contact line abrasion detection unit 6, wireless communication equipment 8, a trigger device 9 and a power supply control box 10, wherein the detection mounting table 1 is fixedly connected with the geometric parameter measuring unit 2, the pantograph net dynamic monitoring unit 3, the contact line abrasion detection unit 4, the pantograph net infrared temperature measuring unit 5, the contact line abrasion detection unit 6, the wireless communication equipment 8, the trigger device 9 and; the detection mounting table and the equipment which is fixedly connected with the detection mounting table 1 are both designed to be in a streamline integrated compact structure.
The detection mounting table is designed into a cuboid structure with a hollow middle part, mounting holes are formed in the upper top surface of the detection mounting table in advance for each detection device, as many bow net detection devices as possible are integrally mounted and fixed on the detection mounting table, and the influence of wind resistance is reduced and the appearance aesthetic feeling is enhanced through the streamline integrated compact structure design of the detection platform.
Further, the geometric parameter measuring unit 2 comprises two groups of linear array cameras and lasers, the two groups of linear array cameras and the lasers are respectively and symmetrically distributed along the center line of the carriage in the length direction, and the two groups of linear array cameras and the lasers are simultaneously aligned to the same bottom of the contact line.
The height, the pull-out value and the like of the contact line are obtained by detecting the positions of the contact line on the CCD surface targets of the two linear array cameras and utilizing a laser triangulation detection principle and an image recognition algorithm. At the position where a plurality of contact wires such as a branch or an anchor section exist, the heights and the pull-out values of the working branch wire and the non-working branch wire are calculated at the same time, and the vertical and horizontal distances between the contact wires are obtained.
Further, pantograph dynamic monitoring unit 3 includes two sets of high-speed high definition industry digital cameras and the infrared light filling lamp of LED, two sets of high-speed high definition industry digital cameras and the infrared light filling lamp of LED aim at the monitoring pantograph region from the left and right sides respectively.
High-definition shooting is carried out on the pantograph and catenary areas from the left side and the right side respectively, high-definition image information of the pantograph and catenary areas, particularly pantograph parts is recorded, and abnormal positions such as deformation and missing detection of structures and positions of a sliding plate, a ram's horn, abrasion and the like are determined.
Further, the contact net hangs imaging unit 4 and includes four groups of high-speed high definition industry digital cameras, laser instrument and the infrared light filling lamp of LED, four groups of high-speed high definition industry digital cameras, laser instrument and the infrared light filling lamp of LED set up respectively in the position that is close to four angles of detection mount table 1, aim at around monitoring contact net busbar and strutting arrangement and control the position.
Through LED stroboscopic light source and camera synchronous working of shooing, laser detection triggers the shooting when passing through positions such as busbar hanging point, hangs all-round high definition from the front and back, and left and right sides and shoots to the contact, records rigid contact net busbar and strutting arrangement's high definition image information, confirms that not hard up, drops, cracks structure such as loss, disappearance are unusual. Such as: the structure abnormalities such as contact line groove separation, insulator damage, support device fixing bolt loss, dropper looseness and the like.
Further, the bow net infrared temperature measurement unit 5 comprises an infrared thermal imager and an LED infrared light supplement lamp, and aims at the bow net area to monitor the temperature.
The bow net area is shot in real time, the temperature change of the bow net is tracked in real time, and the abnormal part of the bow net temperature is searched.
Further, the contact line wear detection unit 6 includes four sets of area-array cameras and lasers, which are respectively arranged in parallel and symmetrically along the center line of the carriage length direction and respectively aligned with the contour positions of the bottom surface of the contact line in different directions.
Parallel laser beams are emitted by a laser to illuminate the wire, the laser beams reflected by the wire are respectively received by corresponding high-speed CMOS full-digital area-array cameras to obtain the outline of the worn bottom surface of the contact wire, and the residual height value of the contact wire is calculated by utilizing a fitting algorithm.
Further, the device also comprises an ultraviolet arcing detection unit 7 which is fixed in the pantograph area through bolt connection, wherein the ultraviolet arcing detection unit 7 comprises ultraviolet detectors, at least four ultraviolet detectors are symmetrically arranged in each pantograph area side by side along the center line of the carriage length direction, and the ultraviolet detectors are respectively aligned with different positions of the contact area of the contact line and the sliding plate for monitoring the pantograph.
When the wavelength range of the arc light generated by the bow net off-line is 220 nm-225 nm or 323 nm-329 nm, and the ultraviolet detector detects that the wave band light wave exists, the system is triggered to take a picture and record, so that the abnormal position, the intensity, the area and the duration time of the bow net arc discharge are determined.
Further, the wireless communication device 8 is a mobile communication module compatible with 4G and 5G or a WIFI wireless communication module; the triggering device 9 comprises a plurality of triggering modules for synchronously triggering the digital camera, the laser and the LED infrared light supplement lamp.
The wireless communication equipment completes information mutual transmission between the vehicle-mounted equipment and the ground workstation, and transmits detection data, video information, abnormal overrun data, control instructions and the like.
Further, the power control box 10 comprises three sets of switching power supplies of direct current 24V output, 12V output and 5V output. The power control box 10 takes DC110V from the vehicle-mounted power supply cabinet and converts the DC110V into direct-current linear working power supplies (DC 24V, DC12V and DC 5V) of a camera, an LED fill light, a laser, a control panel and the like.
Furthermore, the detection mounting table 1 is H-shaped, the length, width and height of the detection mounting table are 2750 multiplied by 1840 multiplied by 280mm, and the distance between the mounting position and the pantograph is 5500-6500 mm.
The above description is only a preferred embodiment of the present invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a vehicle-mounted bow net dynamic testing platform which characterized in that: the device comprises a detection mounting platform (1), wherein the detection mounting platform (1) is a cuboid with a hollow middle part, the bottom of the detection mounting platform (1) is fixedly connected with a punching bolt at the top of a carriage, and the detection mounting platform (1) is provided with a plurality of threading elbow holes (11) penetrating through the top of the carriage; the device is characterized by further comprising a geometric parameter measuring unit (2), a pantograph dynamic monitoring unit (3), a contact net suspension imaging unit (4), a pantograph net infrared temperature measuring unit (5), a contact line abrasion detecting unit (6), a wireless communication device (8), a trigger device (9) and a power supply control box (10), wherein the geometric parameter measuring unit (2), the pantograph net dynamic monitoring unit, the contact net suspension imaging unit, the pantograph net infrared temperature measuring unit (5), the contact line abrasion detecting unit (6), the wireless communication device (8), the trigger device (9) and the power supply control box are fixedly connected with; the detection mounting table (1) and equipment fixedly connected with the detection mounting table adopt a streamlined integrated compact structure design.
2. The dynamic vehicle bow net detection platform of claim 1, wherein: the geometric parameter measuring unit (2) comprises two groups of linear array cameras and lasers, the two groups of linear array cameras and the lasers are symmetrically distributed along the center line of the carriage in the length direction respectively, and the two groups of linear array cameras and the lasers are simultaneously aligned to the same bottom of the contact line.
3. The dynamic vehicle bow net detection platform of claim 2, wherein: the pantograph dynamic monitoring unit (3) comprises two groups of high-speed high-definition industrial digital cameras and LED infrared light supplementing lamps, and the two groups of high-speed high-definition industrial digital cameras and the LED infrared light supplementing lamps are respectively aligned to the pantograph monitoring area from the left side and the right side.
4. The dynamic vehicle bow net detection platform of claim 3, wherein: the overhead line system suspension imaging unit (4) comprises four groups of high-speed high-definition industrial digital cameras, lasers and LED infrared light supplement lamps, wherein the four groups of high-speed high-definition industrial digital cameras, the lasers and the LED infrared light supplement lamps are respectively arranged at positions close to four corners of the detection mounting table (1) and are aligned with the front and back positions and the left and right positions of the monitoring overhead line system bus bar and the supporting device.
5. The vehicle-mounted bow net dynamic detection platform of claim 4, wherein: the bow net infrared temperature measurement unit (5) comprises an infrared thermal imager and an LED infrared light supplement lamp, and is aligned to the bow net area for temperature monitoring.
6. The vehicle-mounted bow net dynamic detection platform of claim 5, wherein: the contact line wear detection unit (6) comprises four groups of area-array cameras and lasers, wherein the four groups of area-array cameras and the lasers are respectively arranged in parallel and symmetrically along the center line of the carriage in the length direction and respectively align to the contour positions of the bottom surface of the monitoring contact line in different directions.
7. The vehicle-mounted bow net dynamic detection platform of claim 6, wherein: the wireless communication equipment (8) is a mobile communication module or a WIFI wireless communication module compatible with 4G and 5G; the triggering device (9) comprises a plurality of triggering modules for synchronously triggering the digital camera, the laser and the LED infrared light supplement lamp.
8. The vehicle-mounted bow net dynamic detection platform of claim 7, wherein: the pantograph type electric vehicle is characterized by further comprising an ultraviolet arc detection unit (7) which is fixed in a pantograph area through bolt connection, wherein the ultraviolet arc detection unit (7) comprises ultraviolet detectors, at least four ultraviolet detectors are symmetrically arranged in each pantograph area side by side along the center line of the carriage in the length direction, and the ultraviolet detectors are respectively aligned to different positions of a contact line contact area of a sliding plate of the pantograph.
9. The vehicle-mounted bow net dynamic detection platform of claim 8, wherein: the power supply control box (10) comprises three sets of switching power supplies of direct current 24V output, 12V output and 5V output.
10. A vehicle mounted bow net dynamic test platform according to any one of claims 1 to 9, wherein: the detection mounting table (1) is H-shaped, the length, width and height of the detection mounting table are 2750 multiplied by 1840 multiplied by 280mm, and the distance between the mounting position and the pantograph is 5500-6500 mm.
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| CN201921520705.0U CN210665526U (en) | 2019-09-12 | 2019-09-12 | Vehicle-mounted bow net dynamic detection platform |
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| CN201921520705.0U CN210665526U (en) | 2019-09-12 | 2019-09-12 | Vehicle-mounted bow net dynamic detection platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112819776A (en) * | 2021-01-28 | 2021-05-18 | 中车青岛四方机车车辆股份有限公司 | Pantograph structure abnormality recognition method and system, electronic device, and storage medium |
| CN113238121A (en) * | 2021-05-20 | 2021-08-10 | 石家庄铁道大学 | Comprehensive monitoring and analyzing device for traction contact network |
-
2019
- 2019-09-12 CN CN201921520705.0U patent/CN210665526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112819776A (en) * | 2021-01-28 | 2021-05-18 | 中车青岛四方机车车辆股份有限公司 | Pantograph structure abnormality recognition method and system, electronic device, and storage medium |
| CN113238121A (en) * | 2021-05-20 | 2021-08-10 | 石家庄铁道大学 | Comprehensive monitoring and analyzing device for traction contact network |
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