Railway overhead line system pantograph wear detection device
By installing detection devices at both ends of the pantograph slide, using carbon slides and pressure sensors to detect contact line abnormalities, and combining Beidou positioning and wireless data transmission, the problem of poor contact caused by contact line tilt was solved, achieving timely maintenance and improved safety.
Patent Information
- Application Number
- CN202423097181.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In the existing technology, the contact line may cause the pantograph slide to exceed the normal sliding range due to the tilt of the power pole or other external forces, resulting in safety hazards such as poor contact or power outage, which are difficult to identify with the naked eye and repair in time.
Detection devices are installed at both ends of the pantograph skateboard, and abnormal contact is detected using carbon skateboards and pressure sensors. Combined with Beidou positioning and wireless data transmission, abnormal data is recorded and transmitted to the smart terminal to facilitate timely maintenance by staff.
It enables timely detection and reporting of abnormal conditions in the contact line, simplifies the maintenance process, and improves safety and maintenance efficiency.
Smart Images
Figure CN223449204U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pantograph detection technical field, concretely is a railway catenary pantograph abrasion detection device. BACKGROUND
[0002] The contact wire on the train track, as part of the overhead catenary, is specifically designed to contact the pantograph. It usually maintains a relatively horizontal state to ensure stable and smooth contact with the pantograph's slide plate. This contact is the key to power transmission, enabling the train to obtain the required electrical energy from the contact wire.
[0003] The contact wire on the pantograph and the slide plate friction force work range is fixed, the pantograph must always keep the bow head above the contact wire when running, and ensure that it does not deviate from the working range when sliding on the contact wire, that is, the middle flat range of the slide plate. The working range of the pantograph is usually defined as the area between the upper and lower working positions. Within this range, the pantograph can stably receive electrical energy from the contact wire.
[0004] However, when the contact wire pole on the track is tilted under external force or other external force causes the tilt, this tilt cannot be identified by the naked eye, but it will cause the contact wire on the pantograph to exceed the standard sliding working range when the pantograph slides, which will bring other contact failure or power failure and other safety hazards.
[0005] Therefore, in view of this problem, a railway catenary pantograph abrasion detection device is needed. SUMMARY
[0006] The utility model discloses a purpose at providing a kind of railway catenary pantograph abrasion detection device, the utility model when train operation, contact wire only in the working range of the flat part of pantograph slide plate is contacted and slides, the carbon slide plate on the detection device of both ends of pantograph is contacted to contact wire, and pressure data can be detected by pressure sensor, it is explained that the contact wire at this place is not normal, the contact wire at this place can be because pole tilting or other reasons cause contact wire to appear small range deviation, lead to contact wire and contact the detection device of both ends of slide plate, at this time, the device records the place of monitoring pressure and the data value of pressure by beidou positioning unit, and record in storage unit, when staff overhauls, whether there is abnormal data can be inquired by control button, if there is, by control button start wireless data transmission unit, the data recorded in memory is transmitted to, for example, mobile phone carried, or by the smart terminal carried to connect Wifi and transmit data to server and store data, it is convenient for staff to know in time and arrange corresponding person in charge to overhaul the position of pole of corresponding section, the utility model is simple and convenient to operate, and practicality is strong.
[0007] The utility model is realized as follows:
[0008] A kind of railway catenary pantograph abrasion detection device, including the detection device of installation in the both ends of the slide plate of pantograph, the detection device includes the cross bar fixedly connected with both ends of slide plate, the cross bar is connected with shell, and a layer of carbon slide plate is equipped in the top of shell;The height of the carbon slide plate of the detection device is 10mm lower than the slide plate of pantograph.In normal operation, contact wire does not touch the carbon slide plate of detection device, only when contact wire appears abnormal situation, carbon slide plate of this monitoring device can be contacted.
[0009] Pressure sensor is equipped between the carbon slide plate and the shell, control device is equipped in the bottom of shell, display screen is equipped on one side of the control device, control button is equipped on one side of the display screen, control processing unit is fixedly equipped in the control device, beidou positioning unit, storage unit and wireless data transmission unit are connected with the control processing unit respectively, the display screen is connected with the output end of the control processing unit, the control button is connected with the input end of the control processing unit.
[0010] Further, the control processing unit adopts an STM32 type control processing unit, and the pressure sensor adopts a Meggitt 8515C-15 type pressure sensor.
[0011] Further, the shell and the shell of the control device are both made of electromagnetic shielding material. Under the pantograph, because it is in a high-voltage electromagnetic environment for a long time, the electromagnetic shielding material, for example, adopts conductive foam, conductive cloth, copper foil, aluminum foil and the like. These materials have excellent electromagnetic shielding performance and can effectively block the propagation of electromagnetic waves. They are usually used to make shielding covers, shielding pads and other components, which can well protect the internal electronic components.
[0012] Compared with the prior art, the utility model has the advantages that: the road section of the abnormal telegraph pole can be conveniently checked, the staff can know in time and arrange the corresponding person in charge to overhaul the position of the telegraph pole of the corresponding road section, the utility model is simple and convenient to operate, and has high practicability. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment, it should be understood, the following drawings only show some embodiments of the utility model, therefore should not be seen as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.
[0014] Figure 1 It is the structure schematic diagram of the device of the utility model;
[0015] Figure 2 It is the structure schematic diagram of the detection device of the utility model;
[0016] Figure 3 It is the system structure schematic diagram of the utility model;
[0017] Figure 4 It is the circuit diagram of the control processing unit of the utility model;
[0018] Among them, the pantograph 1, the pantograph's slide plate 10, the crossbar 2, the detection device 3, the shell 31, the carbon slide plate 32, the pressure sensor 33, the control device 4, the display screen 41, the control button 42. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] Please refer to Figures 1-4 The utility model provides a kind of railway catenary pantograph wear detection device, including detection device 3 installed in the slide plate 10 of pantograph two ends, the detection device 3 includes with the fixed connection of slide plate two ends crossbar 2, the crossbar 2 is connected with shell 31, is equipped with a layer of carbon slide plate 32 in the top end of the shell 31;The height of the carbon slide plate 32 of detection device 3 is 10mm lower than the slide plate 10 of pantograph.In normal operation, contact wire cannot touch the carbon slide plate of detection device, only when contact wire appears abnormal situation, it is possible to contact the carbon slide plate of this monitoring device.
[0021] Pressure sensor 33 is equipped between the carbon slide plate and the shell, control device 4 is equipped in the bottom end of the shell, display screen 41 is equipped on one side of the control device 4, control button 42 is equipped on one side of the display screen 41, control processing unit is fixedly equipped in the control device 4, Beidou positioning unit, storage unit and wireless data transmission unit are connected with the control processing unit respectively, the display screen is connected with the output end of the control processing unit, and the control button is connected with the input end of the control processing unit.
[0022] In the embodiment, the control processing unit uses STM32 type control processing unit, and the pressure sensor uses Meggitt 8515C-15 type pressure sensor.The wireless data transmission unit uses Bluetooth unit or Wifi unit.Through wireless data transmission unit is connected with monitoring end, the monitoring end includes the server connected with the wireless data transmission unit, and the server is connected with PC end, and is connected with intelligent terminal through wireless.
[0023] When the maintenance worker inspects the detection device, whether an abnormal situation is detected can be inquired directly through the control button, if an abnormal situation is detected, the data in the storage unit can be transmitted to the server through the smart terminal, the abnormal data is sent to the smart terminal of the corresponding responsible person through the server, so that the maintenance can be arranged in time.
[0024] The shell and the shell of the control device are made of electromagnetic shielding material. Under the pantograph, because it is in a high-voltage electromagnetic environment for a long time, the electromagnetic shielding material is made of conductive foam, conductive cloth, copper foil, aluminum foil, etc. These materials have excellent electromagnetic shielding performance and can effectively block the propagation of electromagnetic waves. They are usually used to make shielding covers, shielding pads and other components, which can well protect the internal electronic components.
[0025] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A railway contact network pantograph wear detection device, characterized by: The invention comprises a detection device installed at both ends of a pantograph slide (10), the detection device comprising a cross bar (2) fixedly connected to both ends of the slide, the cross bar (2) being connected to a shell, a carbon slide (32) being provided at the top end of the shell, a pressure sensor (33) being provided between the carbon slide (32) and the shell, a control device (4) being provided at the bottom end of the shell, a display screen (41) being provided on one side of the control device (4), a control button (42) being provided on one side of the display screen (41), a control processing unit being fixedly provided in the control device (4), a Beidou positioning unit, a storage unit and a wireless data transmission unit being connected to the control processing unit respectively, the display screen (41) being connected to the output end of the control processing unit, and the control button (42) being connected to the input end of the control processing unit.
2. The railway contact network pantograph wear detection device according to claim 1, characterized in that: The control processing unit adopts an STM32 control processing unit, and the pressure sensor adopts a Meggitt 8515C-15 pressure sensor.
3. The railway contact network pantograph wear detection device according to claim 1, characterized in that: The shell of the housing and the outer shell of the control device (4) are both made of electromagnetic shielding material.
4. The railway contact network pantograph wear detection device according to claim 1, characterized in that: The wireless data transmission unit adopts a Bluetooth unit or a Wifi unit.
5. The railway contact network pantograph wear detection device according to claim 1, characterized in that: The height of the carbon slide plate (32) of the detection device is 10 mm lower than the slide plate (10) of the pantograph.