CN215909902U - Turnout switch resistance and displacement change relation detection system - Google Patents
Turnout switch resistance and displacement change relation detection system Download PDFInfo
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- CN215909902U CN215909902U CN202122320854.6U CN202122320854U CN215909902U CN 215909902 U CN215909902 U CN 215909902U CN 202122320854 U CN202122320854 U CN 202122320854U CN 215909902 U CN215909902 U CN 215909902U
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Abstract
The utility model provides a switch conversion resistance and displacement change relation detection system, which comprises a displacement sensor, a force transducer, a data sampling unit, a data processing unit and a display unit, wherein the displacement sensor is used for monitoring the displacement of a switch rail; the force sensor is used for monitoring the resistance of the switch rail; the data sampling unit is used for acquiring displacement data and resistance data corresponding to the switch rail according to a preset sampling time point; the data processing unit is used for processing the acquired displacement data and resistance data; the display unit is used for displaying the processed displacement data and the resistance data which correspond to each other. Therefore, when the switch conversion resistance is detected, the change relation between the conversion resistance and the position can be obtained, and the specific position with the overlarge resistance can be accurately determined through the displacement data of the switch rail when the conversion resistance at a certain time point is found to be overlarge; and the accurate and quick overhaul is realized.
Description
Technical Field
The utility model relates to the field of railway turnout detection equipment, in particular to a turnout conversion resistance and displacement change relation detection system.
Background
When the railway train is in operation and enters or leaves a station, the railway train needs to be switched to operate on different tracks. The switch of track department is provided with the switch, and the switch next door is provided with the goat, and the goat drags the switch conversion to guarantee train safety, high-efficient operation.
Switch is after work longer time, because road bed or other reasons can lead to the conversion resistance increase of switch, and the effort of goat is limited, can influence the goat after the increase of switch resistance and normally work, finally leads to the switch conversion unusual, influences driving safety. Therefore, the switch switching resistance needs to be detected periodically, and when the switch switching resistance exceeds the normal range, the switch and the roadbed need to be overhauled correspondingly so as to restore the switch switching resistance to the normal range.
The existing turnout conversion resistance detection equipment can acquire the change process of the conversion resistance in the turnout conversion process, namely the relation of the conversion resistance changing along with time in the whole conversion process can be acquired; because the turnout is not converted at a constant speed in the conversion process, when the turnout fault is specifically diagnosed, only the specific position of the turnout with overlarge resistance at a certain time point in the conversion process can be judged according to the change relation of the conversion resistance along with time, but the specific position of the turnout with overlarge resistance cannot be accurately judged, so the current maintenance work is blind, the turnout needs to be checked step by step, and the maintenance efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a switch conversion resistance and displacement change relation detection system, which at least solves the problem that switch conversion resistance detection equipment in the prior art cannot determine the specific position of overlarge switch conversion resistance so as to influence maintenance efficiency.
In order to achieve the above object, the present invention provides a switch switching resistance and displacement variation relation detection system, comprising: the displacement sensor is used for monitoring the displacement of the switch blade in the switch blade conversion process of the railway turnout; the force sensor is used for monitoring the resistance of the switch rail in the switch rail conversion process; the data sampling unit is connected with both the displacement sensor and the force measuring sensor and is used for acquiring displacement data and resistance data corresponding to the switch rail according to a preset sampling time point; the data processing unit is connected with the data sampling unit and is used for processing the displacement data and the resistance data acquired by the data sampling unit; and the display unit is connected with the data processing unit and is used for displaying the processed displacement data and the processed resistance data which correspond to each other.
Furthermore, two displacement sensors are provided, and the two displacement sensors correspond to the two switch rails of the railway turnout one by one; wherein the two displacement sensors monitor the displacement of the two switch rails respectively.
Furthermore, the displacement sensor is a pull rope type displacement sensor; the main body parts of the two pull rope type displacement sensors are correspondingly arranged on two stock rails of a railway turnout, and pull ropes of the two pull rope type displacement sensors are connected with the two switch rails to monitor the displacement of the two switch rails.
Furthermore, the force measuring sensor is a force measuring bolt which is inserted between the forked iron of the railway turnout and the action pull rod of the point switch.
Furthermore, the data processing unit and the display unit together form a handheld mobile terminal device or a fixed background terminal device; the data processing unit is connected with the data sampling unit through the wireless communication unit or the data line so as to receive displacement data and resistance data collected by the data sampling unit.
Further, the wireless communication unit comprises at least one of: 5G network module, bluetooth module, wiFi module and loRa module.
The turnout conversion resistance and displacement change relation detection system applying the technical scheme of the utility model comprises a displacement sensor, a force transducer, a data sampling unit, a data processing unit and a display unit, wherein the displacement sensor is used for monitoring the displacement of a switch rail in the switch rail conversion process of a railway turnout; the force sensor is used for monitoring the resistance of the switch rail in the switch rail conversion process; the data sampling unit is connected with both the displacement sensor and the force measuring sensor and is used for acquiring displacement data and resistance data corresponding to the switch rail according to a preset sampling time point; the data processing unit is connected with the data sampling unit and is used for processing the displacement data and the resistance data acquired by the data sampling unit; the display unit is connected with the data processing unit and used for displaying the processed displacement data and the processed resistance data which correspond to each other. Therefore, when the switch conversion resistance is detected, the change relation between the conversion resistance and the position can be obtained, and the specific position with the overlarge resistance can be accurately determined through the displacement data of the switch rail when the conversion resistance at a certain time point is found to be overlarge; and the accurate and quick overhaul is realized. The problem of switch conversion resistance check out test set among the prior art can't confirm too big specific position of switch conversion resistance and then influence maintenance efficiency is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a block diagram of an alternative switch resistance-displacement variation relationship detection system according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a displacement sensor; 20. a force sensor; 30. a data sampling unit; 40. a data processing unit; 50. a display unit.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
According to the switch conversion resistance and displacement change relation detection system of the embodiment of the utility model, as shown in fig. 1, the switch conversion resistance and displacement change relation detection system comprises a displacement sensor 10, a load cell 20, a data sampling unit 30, a data processing unit 40 and a display unit 50, wherein the displacement sensor 10 is used for monitoring the displacement of a switch rail in the switch rail conversion process of a railway switch; the load cell 20 is used to monitor the resistance of the point during the point transition; the data sampling unit 30 is connected with both the displacement sensor 10 and the force measuring sensor 20, and the data sampling unit 30 is used for acquiring displacement data and resistance data corresponding to the switch rail according to a preset sampling time point; the data processing unit 40 is connected with the data sampling unit 30, and the data processing unit 40 is used for processing the displacement data and the resistance data collected by the data sampling unit 30; the display unit 50 is connected to the data processing unit 40, and the display unit 50 is configured to display the processed displacement data and the processed resistance data corresponding to each other. Therefore, when the switch conversion resistance is detected, the change relation between the conversion resistance and the position can be obtained, and the specific position with the overlarge resistance can be accurately determined through the displacement data of the switch rail when the conversion resistance at a certain time point is found to be overlarge; and the accurate and quick overhaul is realized. The problem of switch conversion resistance check out test set among the prior art can't confirm too big specific position of switch conversion resistance and then influence maintenance efficiency is solved.
In specific implementation, two switch rails of the railway turnout are arranged, the motion states of the two switch rails relative to the stock rail are opposite, and when one switch rail is closely attached to the stock rail, the other switch rail is separated from the stock rail; in order to accurately monitor the respective displacement data of the two switch rails, further, two displacement sensors 10 are provided, and the two displacement sensors 10 are arranged in one-to-one correspondence with the two switch rails of the railway turnout; the two displacement sensors 10 monitor the displacement of the two switch rails, respectively. Optionally, the displacement sensor 10 is a pull-cord type displacement sensor; the main body parts of the two pull rope type displacement sensors are correspondingly arranged on two stock rails of a railway turnout, pull ropes of the two pull rope type displacement sensors are respectively connected with two switch rails, the pull ropes are pulled in the conversion process of the two switch rails, and the displacement data of the two switch rails are recorded through sensing parts in the displacement sensors 10.
Further, the force measuring sensor 20 is a force measuring bolt which is inserted between the fork iron of the railway turnout and the action pull rod of the switch machine; in the conversion process of pulling two switch rails by an action rod of the point switch through the forked iron, the tensile force of the action rod is equal to the resistance of the switch rails, so that the resistance data of the switch rails can be obtained by monitoring the tensile force between the action pull rod and the forked iron.
The data sampling unit 30 collects displacement data and resistance data corresponding to the switch rail according to a preset sampling time point, wherein the displacement data and the resistance data are actually data of the change of displacement along with time and data of the change of resistance along with time respectively; the data processing unit 40 receives the two sets of data and then uses the time as a connection medium, so that the data of the corresponding relationship between the displacement and the resistance can be obtained, that is, the resistance corresponding to each displacement point in the switch rail conversion process can be obtained, when the resistance of a certain displacement point is judged to exceed the normal range, the displacement point is recorded, the displacement data and the resistance data corresponding to the displacement point are displayed through the display unit 50, and the fault point can be rapidly determined during subsequent overhaul conveniently.
In practical application, the data sampling unit 30 is integrated with the displacement sensor 10 or the load cell 20, that is, the data sampling unit 30 is integrated in each of the displacement sensor 10 and the load cell 20; the data processing unit 40 and the display unit 50 together form a handheld mobile terminal device or a fixed background terminal device; the data processing unit 40 is connected with the respective displacement sensors 10 and the data sampling unit 30 of the load cell 20 through wireless communication units or data lines to receive the displacement data and the resistance data collected by the data sampling unit 30.
Specifically, the handheld mobile terminal device can be connected with the data sampling units 30 of the displacement sensors 10 and the force measuring sensors 20 through wireless communication units or data lines, and the handheld mobile terminal device is generally used for on-site periodic temporary detection and judgment of turnout subgrade faults, is mainly applied to a remote trolley station or a trolley station with a small train quantity, and has the characteristics of flexible use and low cost; the fixed background terminal equipment is generally a desktop computer, is placed in a fixed machine room, and can also be connected with the data sampling units 30 of the displacement sensors 10 and the force measuring sensors 20 through wireless communication units or data lines; the fixed background terminal equipment is used for long-term real-time monitoring and is mainly applied to large and medium stations or stations with large train quantity; the monitoring system has the advantages of stable work and large monitoring amount.
Optionally, the wireless communication unit comprises at least one of: the system comprises a 5G network module, a Bluetooth module, a WiFi module and a LoRa module; namely, the wireless communication unit can be selected and matched according to the actual application condition; when data communication is transmitted, one or more communication modes are selected according to the use environment and other requirements for carrying out data communication. Preferably, a 4G network or a 5G network is used for data communication, and accordingly, SIM card slots are provided in the displacement sensor 10 and the load cell 20, and the 4G network or the 5G network communication is realized by inserting a SIM card supporting the 4G network or the 5G network; the long-distance communication can be realized by adopting a 4G network or a 5G network. The hand-held mobile terminal equipment can also adopt LoRa to carry out wireless connection, and LoRa is an ultra-long distance wireless transmission scheme based on spread spectrum technology, and the distance that LoRa propagated than other wireless mode under same power consumption condition is farther, has realized low-power consumption and long-range unity, and it enlarges 3 to 5 times than traditional radio frequency communication distance under same power consumption.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A switch switching resistance and displacement change relation detection system is characterized by comprising:
a displacement sensor (10), said displacement sensor (10) for monitoring displacement of said point during a point transition of a railway switch;
a load cell (20), said load cell (20) for monitoring the resistance of said point during a transition of said point;
the data sampling unit (30) is connected with the displacement sensor (10) and the force measuring sensor (20), and the data sampling unit (30) is used for acquiring displacement data and resistance data corresponding to the switch rail according to a preset sampling time point;
the data processing unit (40) is connected with the data sampling unit (30), and the data processing unit (40) is used for processing the displacement data and the resistance data acquired by the data sampling unit (30);
and the display unit (50) is connected with the data processing unit (40), and the display unit (50) is used for displaying the processed displacement data and the processed resistance data which correspond to each other.
2. The switch transition resistance and displacement variation relation detection system according to claim 1, characterized in that, the number of the displacement sensors (10) is two, and the two displacement sensors (10) are in one-to-one correspondence with the two switch rails of the railway switch;
wherein the two displacement sensors (10) monitor the displacement of the two switch rails respectively.
3. The switch transition resistance and displacement variation relation detection system according to claim 2, characterized in that the displacement sensor (10) is a pull rope type displacement sensor;
the main body parts of the two pull rope type displacement sensors are correspondingly arranged on two stock rails of the railway turnout, and pull ropes of the two pull rope type displacement sensors are connected with the two switch rails to monitor the displacement of the two switch rails.
4. The switch transition resistance and displacement variation relation detecting system according to claim 1, wherein the load cell (20) is a load cell bolt inserted between a forked iron of the railway switch and a motion pull rod of a switch machine.
5. The switch transition resistance and displacement variation relation detection system according to claim 1, wherein the data processing unit (40) and the display unit (50) together form a handheld mobile terminal device or a fixed background terminal device;
wherein the data processing unit (40) is connected with the data sampling unit (30) through a wireless communication unit or a data line to receive the displacement data and the resistance data collected by the data sampling unit (30).
6. The switch transition resistance versus displacement relationship detection system of claim 5, wherein said wireless communication unit comprises at least one of:
5G network module, bluetooth module, wiFi module and loRa module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122320854.6U CN215909902U (en) | 2021-09-24 | 2021-09-24 | Turnout switch resistance and displacement change relation detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122320854.6U CN215909902U (en) | 2021-09-24 | 2021-09-24 | Turnout switch resistance and displacement change relation detection system |
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| Publication Number | Publication Date |
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| CN215909902U true CN215909902U (en) | 2022-02-25 |
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| CN202122320854.6U Active CN215909902U (en) | 2021-09-24 | 2021-09-24 | Turnout switch resistance and displacement change relation detection system |
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2021
- 2021-09-24 CN CN202122320854.6U patent/CN215909902U/en active Active
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