CN210707430U - Switch application on-line state monitoring system - Google Patents
Switch application on-line state monitoring system Download PDFInfo
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- CN210707430U CN210707430U CN201921616911.1U CN201921616911U CN210707430U CN 210707430 U CN210707430 U CN 210707430U CN 201921616911 U CN201921616911 U CN 201921616911U CN 210707430 U CN210707430 U CN 210707430U
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- 230000009193 crawling Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
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Abstract
The utility model relates to a switch application on-line status monitoring system, this system include front end sensor (1), node unit (2), basic station (3), server (4) and host computer (5), front end sensor (1) locate the switch pulling point, loop through node unit (2), basic station (3) and server (4) and connect host computer (5). Compared with the prior art, the utility model has the advantages of it is following: the method comprises the following steps that important indexes such as the turnout dynamic state, the turnout static state closure amount, the opening amount, the crawling amount, the turnout frame and the like are comprehensively monitored and displayed on line, the future running state of the turnout is predicted and judged and the like, and the turnout dynamic monitoring is the monitoring of important indexes such as the turnout closure amount, the opening amount, the crawling amount, the turnout frame and the like in the process that a train passes through the turnout or the turnout is positioned and reversed to rotate; the static monitoring of the turnout is the monitoring of the state above the turnout when no train passes and the turnout does not rotate.
Description
Technical Field
The utility model belongs to the technical field of switch monitoring and specifically relates to a switch application on-line status monitoring system is related to.
Background
Along with the increasing of railway speed-up and high-density driving sections, the requirements on the turnout application quality and the state stability are higher and higher in order to ensure the driving safety.
Foreign matters exist between the stock rails and the switch rails of the turnout or the switch machine has poor action, so that the close contact between the stock rails and the switch rails is overlarge, and further, the accident of extruding the turnout is caused.
When a train passes through a turnout at a high speed, the turnout (particularly a switch rail) continuously bears extremely large acting force with low frequency, large amplitude and high frequency, small amplitude; if the turnout state information cannot be timely and effectively acquired, and the railway engineering electric department carries out combined renovation operation to eliminate the diseases in the early deterioration stage of the turnout, the operating states of the point switch and the turnout will rapidly deteriorate, so that equipment is damaged, and the driving safety is endangered.
At present, the manual inspection method is mainly adopted for monitoring the turnout operation state in China, the efficiency is low, and the turnout health information of the system is difficult to provide. With the progress of electronic technology in recent years, railway electric service departments introduce turnout gap monitoring systems, follow the technical specification of turnout gap monitoring systems of the state iron group (original iron general company), and adopt two modes of mechanical contact type or photoelectric detection type sensors (such as a camera and a grating optical fiber sensor) installed in a point switch to identify gaps of detection rods. The following problems mainly exist in the way of monitoring the gap of the detection rod of the switch machine: 1. the monitoring result is inaccurate, and false alarm often occurs due to the complex field environment; 2. the monitoring parameters are few, only one notch value can be measured, and the main parameters of turnout operation states such as turnout closure, opening and crawling quantity cannot be comprehensively measured; 3. the indirect monitoring can not directly reflect the above operation parameter values of the turnout; 4. the monitoring frequency is low, and the train can not be dynamically monitored when passing the rail.
In addition, for the mode of directly measuring the turnout operation state by adopting the eddy current sensor, the effective measuring distance of the eddy current sensor is short (generally not more than 40mm), and only parameters such as close contact, crawling amount and the like can be measured; in addition, the protection grade and stability of the eddy current sensor in actual use cannot meet the requirement of long-time continuous and stable operation in the railway environment.
With the development of electronic communication technology, the system for directly monitoring the working state of the railway turnout equipment can dynamically/statically acquire important parameters concerned by railway electric engineering in real time, provide early warning maintenance information, enable railway operation and maintenance personnel to know the turnout state and change trend in time, find potential problems and realize preventive state maintenance of the turnout related equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an online state monitoring system is used to switch in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a switch application on-line status monitoring system, this system includes front end sensor, node unit, basic station, server and host computer, the front end sensor locate the switch pulling point, loop through node unit, basic station and server connection host computer.
Preferably, each of the switch traction points is provided with a group of front end sensors and a node unit.
Preferably, when the point of traction of the turnout is the first one, the group of front-end sensors comprises two piezoelectric acceleration sensors, three hysteresis expansion displacement sensors, a temperature sensor and a humidity sensor; when the point of traction of the turnout is the second or more, the group of front-end sensors at the point comprises three hysteresis telescopic displacement sensors.
Preferably, two first hysteresis extension displacement sensors of the three hysteresis extension displacement sensors are arranged vertical to the stock rail;
and a second hysteresis telescopic displacement sensor of the three hysteresis telescopic displacement sensors is arranged in the middle of the roadbed.
Preferably, the vernier magnet of the hysteresis extension displacement sensor is fixed on the switch rail and suspended above the measuring rod of the sensor.
Preferably, the piezoelectric acceleration sensors are arranged on stock rails in front of the switch rails, and each stock rail is respectively provided with one piezoelectric acceleration sensor.
Preferably, the temperature sensor and the humidity sensor are arranged beside the rail.
Preferably, the node unit comprises a power supply, a data acquisition circuit, a data processing circuit and a wireless transceiver circuit, wherein the power supply is respectively connected with the front-end sensor, the data acquisition circuit, the data processing circuit and the wireless transceiver circuit, and the data processing circuit is respectively connected with the data acquisition circuit and the wireless transceiver circuit.
Compared with the prior art, the utility model has the advantages of it is following:
1. the system collects important parameters such as the turnout application state related closure amount, the opening amount, the crawling amount, the stock rail distance and the like of the turnout in real time, and realizes comprehensive online monitoring on the turnout application state.
2. The system firstly proposes to adopt a non-contact hysteresis telescopic displacement sensor to realize the continuous and uninterrupted monitoring of turnout operation data in the static, dynamic and turnout conversion processes, and the dynamic monitoring of the turnout is the monitoring of important indexes such as turnout closure, opening, crawling amount, turnout frame and the like in the process that a train passes through the turnout or the fixed-position and reverse-position rotation of the turnout; the static monitoring of the turnout is the monitoring of the state above the turnout when no train passes and the turnout does not rotate.
3. The system judges whether the train passes the rail according to the output value of the vibration sensor, so that the sampling frequency of the sensor is adjusted.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Fig. 2 is the utility model discloses a two traction point (duplex two-point) switch field system equipment of two ruts machine arrange the schematic diagram.
Wherein 1 is the front end sensor, 2 is the node unit, 3 is the base station, 4 is the server, 5 is the host computer, 11 is piezoelectric type acceleration sensor, 12 is the flexible displacement sensor of hysteresis lag, 13 is temperature sensor, 14 is humidity transducer, 121 is the flexible displacement sensor of first hysteresis lag, 122 is the flexible displacement sensor of second hysteresis lag.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
As shown in fig. 1, the system for monitoring the on-line state of the switch application comprises a front-end sensor 1, a node unit 2, a base station 3, a server 4 and an upper computer 5, wherein the front-end sensor 1 is arranged at a switch traction point and is connected with the upper computer 5 sequentially through the node unit 2, the base station 3 and the server 4.
As shown in fig. 2, each switch traction point is provided with a group of front end sensors 1 and a node unit 2.
When the point of traction of the turnout is the first point, the group of front-end sensors 1 comprises two piezoelectric acceleration sensors 11, three hysteresis telescopic displacement sensors 12, a temperature sensor 13 and a humidity sensor 14; when the point of traction of the turnout is the second or more, the front end sensor 1 of the point comprises three hysteresis telescopic displacement sensors 12.
Two first hysteresis extension displacement sensors 121 of the three hysteresis extension displacement sensors 12 are installed perpendicular to the stock rails and used for measuring the distance between the turnout switch rails and the stock rails, realizing dynamic and static monitoring of the sealing amount and the opening amount between the turnout switch rails and the stock rails, and also being used for measuring change data in the turnout positioning and reversing conversion process.
The vernier magnet of the hysteresis telescopic displacement sensor 12 is fixed on the switch rail and suspended above the measuring rod of the sensor, so that a non-contact displacement measurement mode is realized.
The second hysteresis telescopic displacement sensor 122 is installed in the middle of the roadbed and used for measuring the distance between two stock rails and realizing dynamic and static monitoring of the turnout frame.
The piezoelectric acceleration sensors 11 are arranged on stock rails in front of switch rails, each stock rail is respectively provided with one piezoelectric acceleration sensor 11, whether a train passes through a monitoring system is judged according to output data of the piezoelectric acceleration sensors, and the system automatically adjusts the sampling frequency of the hysteresis telescopic displacement sensor 12 according to whether the train passes through.
When the output data of the piezoelectric acceleration sensor 11 exceeds a set threshold value, it is determined that a train passes through a monitoring system, and at the moment, the node unit 2 accelerates the acquisition rate of the hysteresis telescopic displacement sensor 12 to realize dynamic monitoring; when the output data of the piezoelectric acceleration sensor 11 is lower than the set threshold value, it is determined that no train passes through the monitoring system, and at this time, the node unit 2 reduces the acquisition rate of the hysteresis telescopic displacement sensor 12, and reduces the amount of transmission data.
The temperature sensor 13 and the humidity sensor 14 are arranged beside the rail and used for measuring the environmental data of the turnout.
The node unit 2 comprises a power supply, a data acquisition unit, a data processing unit and a wireless transceiver, wherein the power supply is used for supplying power to the accessed front-end sensor 1 and the node unit 2; the data acquisition is used for acquiring data of the accessed front-end sensor 1; the data processing adjusts the acquisition rate of the hysteresis telescopic displacement sensor 12 according to the data of the piezoelectric acceleration sensor 11, and analyzes, compresses and converts the acquired data of the front-end sensor 1; the wireless transceiving is used for transmitting data to the base station 3 to which the wireless transceiving belongs.
The base station 3 receives data of the subordinate node units 2 within several kilometers nearby, and then sends the data to the server 4 in the machine room of the railway department through the public network of the operator.
The server 4 is used for storing data, analyzing the health state of the turnout, operating web service and providing user authentication, data query and data graphical display for users.
The upper computer 5 provides user login and management webpages, provides users with user login according to different grades of road offices, stations, sections and workshops, and carries out real-time and historical data query and graphical display, health state analysis and maintenance early warning on turnouts.
Railway switch type still has three goat three traction point (three machines three points) and multimachine multiple spot and draws multiple forms such as switch, the system in the utility model is all applicable to these types of switch.
If the distances among the multiple groups of front-end sensors are close enough, the front-end sensors can access the data acquisition part of the same node unit and share one node unit, so that the number of system equipment is reduced, and the system cost is reduced.
For the turnout type equipment arrangement of more than two traction points, the equipment arrangement of a double-machine double-point is referred, namely, at the subsequent traction point, only one hysteresis expansion displacement sensor for measuring the opening amount and the close adhesion amount is required to be respectively arranged on two movable rails, and a hysteresis expansion displacement sensor for measuring the distance between stock rails is required to be arranged in the middle of a roadbed, and a temperature and humidity sensor and a piezoelectric type acceleration sensor are not required to be arranged.
The utility model discloses well flexible displacement sensor of hysteresis lag has good temperature compensation performance and stability, can guarantee long-time stable work after accomplishing initial installation and debugging, need not recalibration. The maintainer can adopt specialized tool such as sharp chi, slide caliper to measure the value of switch closure amount, opening volume, compares with displacement sensor output value. If the deviation exceeds the allowable range, the calibration needs to be recalibrated. And recording the output voltage of the displacement sensor at regular intervals during calibration, and inputting the actual distance and the output voltage value of the corresponding displacement sensor into calibration software after measurement is finished so as to finish calibration.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a switch application on-line status monitoring system, its characterized in that, this system includes front end sensor (1), node unit (2), basic station (3), server (4) and host computer (5), front end sensor (1) locate the switch pulling point, loop through node unit (2), basic station (3) and server (4) and connect host computer (5).
2. A switch use on-line status monitoring system according to claim 1, wherein each said switch traction point is provided with a set of front end sensors (1) and a node unit (2).
3. The on-line turnout state monitoring system according to claim 2, wherein when the turnout traction point is the first one, the set of front sensors (1) comprises two piezoelectric acceleration sensors (11), three hysteresis displacement sensors (12), a temperature sensor (13) and a humidity sensor (14); when the traction point of the turnout is the second or more, the front end sensor (1) of the point comprises three hysteresis expansion displacement sensors (12).
4. A switch use on-line status monitoring system according to claim 3, wherein two first hysteretic displacement sensors (121) of said three hysteretic displacement sensors (12) are mounted vertically to the stock rail;
and a second hysteresis telescopic displacement sensor (122) in the three hysteresis telescopic displacement sensors (12) is arranged in the middle of the roadbed.
5. The on-line switch point condition monitoring system according to claim 4, wherein the vernier magnet of the hysteresis displacement sensor (12) is fixed on the switch rail and suspended above the sensor rod.
6. A switch use on-line status monitoring system according to claim 3, wherein said piezoelectric acceleration sensors (11) are arranged on stock rails in front of the switch rails, and each stock rail is provided with a piezoelectric acceleration sensor (11).
7. A switch use on-line status monitoring system according to claim 3, wherein the temperature sensor (13) and the humidity sensor (14) are arranged beside the track.
8. The on-line monitoring system for switch operation according to claim 3, wherein the node unit (2) comprises a power supply, a data acquisition circuit, a data processing circuit and a wireless transceiver circuit, the power supply is respectively connected with the front end sensor (1), the data acquisition circuit, the data processing circuit and the wireless transceiver circuit, and the data processing circuit is respectively connected with the data acquisition circuit and the wireless transceiver circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616911.1U CN210707430U (en) | 2019-09-26 | 2019-09-26 | Switch application on-line state monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616911.1U CN210707430U (en) | 2019-09-26 | 2019-09-26 | Switch application on-line state monitoring system |
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| CN210707430U true CN210707430U (en) | 2020-06-09 |
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| CN201921616911.1U Active CN210707430U (en) | 2019-09-26 | 2019-09-26 | Switch application on-line state monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550369A (en) * | 2019-09-26 | 2021-03-26 | 通号通信信息集团上海有限公司 | Switch application on-line state monitoring system |
| CN114475716A (en) * | 2022-01-24 | 2022-05-13 | 中国国家铁路集团有限公司 | Method, device, equipment and storage medium for detecting turnout working state |
| CN116039711A (en) * | 2023-01-16 | 2023-05-02 | 卡斯柯信号有限公司 | A method, device and medium for checking the position of a large turnout in an interlocking system |
| CN116691768B (en) * | 2023-08-07 | 2023-10-17 | 中铁工程设计咨询集团有限公司 | Switch monitoring method and system |
-
2019
- 2019-09-26 CN CN201921616911.1U patent/CN210707430U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550369A (en) * | 2019-09-26 | 2021-03-26 | 通号通信信息集团上海有限公司 | Switch application on-line state monitoring system |
| CN112550369B (en) * | 2019-09-26 | 2025-01-24 | 通号通信信息集团上海有限公司 | An online status monitoring system for turnout operation |
| CN114475716A (en) * | 2022-01-24 | 2022-05-13 | 中国国家铁路集团有限公司 | Method, device, equipment and storage medium for detecting turnout working state |
| CN116039711A (en) * | 2023-01-16 | 2023-05-02 | 卡斯柯信号有限公司 | A method, device and medium for checking the position of a large turnout in an interlocking system |
| CN116691768B (en) * | 2023-08-07 | 2023-10-17 | 中铁工程设计咨询集团有限公司 | Switch monitoring method and system |
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