Edge gateway device and system for railway turnout opening direction detection

Abstract

The utility model relates to an edge gateway device and system for detecting the opening direction of a railway turnout, which comprises a first distance measuring sensor, a second distance measuring sensor, a third distance measuring sensor, a fourth distance measuring sensor, an information acquisition circuit, a main control circuit and a power supply circuit, the first distance measuring sensor, the second distance measuring sensor, the third distance measuring sensor and the fourth distance measuring sensor are arranged on wing rails on the two sides of a turnout core between the stock rail and the movable rail respectively, and the first distance measuring sensor, the second distance measuring sensor, the third distance measuring sensor and the fourth distance measuring sensor are electrically connected with an information acquisition circuit respectively. And the information acquisition circuit is electrically connected with the main control circuit. The relative positions of the switch rail and the stock rail and the relative positions of the turnout core and the wing rail are measured in real time, alarm parameters are dynamically adjusted according to position data, the main control circuit judges the turnout fault type according to abnormal data, and the probability of false alarm is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of railway trackside detection, and in particular to an edge gateway device and system for railway turnout direction detection. Background Art

[0002] A railway turnout is a line connection device that allows a locomotive vehicle to switch from one track to another. It consists of three units: a switch, a connection part, a frog and a guardrail. The switch includes a base rail, a point rail and a switch mechanism. When the locomotive vehicle is to switch from track A to track B, the switch mechanism is operated to move the point rail. One point rail is closely attached to the base rail, and the other point rail is separated from the base rail. The frog heart rail of the movable heart rail is closely attached to the wing rail in the same direction of opening, thus opening track B and closing track A. The locomotive vehicle enters the connection part and transitions to the frog and guardrail unit along the guide curve.

[0003] If during the process of switching the switches, human or mechanical failures sometimes cause the switches to be out of place or at the switch tip, the switch cores will not switch in the same direction, which will cause major losses such as switch damage or locomotive accidents.

[0004] In the relevant turnout direction detection technology, proximity switches are mainly installed on the basic rail or wing rail (fixed rail). When the movable rail approaches the basic rail or wing rail, a high or low level alarm will be triggered by the proximity switch. The turnout direction detection status is judged based on the status of multiple groups of proximity switches.

[0005] This method of using proximity switches has the following main shortcomings: the proximity switch installation position is only a few millimeters away from the movable rail or target, and it is easy to contact and the proximity switch is easily damaged; this technology simply determines whether the turnout is fitted or separated based on the installation position of the detection sensor, and cannot accurately obtain the relative position of the movable rail and the basic rail, and cannot determine the type of turnout fault based on the distance between the sensor probe and the movable rail, and it is easy to make a misjudgment; once the detection sensor installed on the basic rail or the target installed on the movable rail moves, the detection system will crash. Summary of the invention

[0006] The technical problem to be solved by the utility model is to provide an edge gateway device and system for railway turnout direction detection in view of the deficiencies of the above-mentioned prior art.

[0007] The utility model solves the above-mentioned technical problem with the following technical solution: an edge gateway device for detecting the direction of a railway turnout, applied to the junction of a pair of basic rails and a pair of movable rails, comprising a first distance measuring sensor, a second distance measuring sensor, a third distance measuring sensor, a fourth distance measuring sensor, an information acquisition circuit, a main control circuit and a power supply circuit, wherein the first distance measuring sensor and the second distance measuring sensor are respectively arranged on a pair of the basic rails and located at the turnout tip position corresponding to the movable rail, the third distance measuring sensor and the fourth distance measuring sensor are respectively arranged on the wing rails on both sides of the turnout core position between the basic rail and the movable rail, the first distance measuring sensor, the second distance measuring sensor, the third distance measuring sensor and the fourth distance measuring sensor are respectively electrically connected to the information acquisition circuit, the information acquisition circuit is electrically connected to the main control circuit, and the information acquisition circuit and the main control circuit are respectively electrically connected to the power supply circuit.

[0008] The beneficial effects of the utility model are as follows: the edge gateway device for detecting the direction of railway turnouts of the utility model measures the relative position between the point rail and the base rail of the active rail in real time through the first distance measuring sensor and the second distance measuring sensor, and measures the relative position between the turnout core and the wing rail in real time through the third distance measuring sensor and the fourth distance measuring sensor, and can dynamically adjust the alarm parameters according to the position data, thereby facilitating the main control circuit to judge the type of turnout fault according to the abnormal data, greatly reducing the probability of false alarms, and the sensors do not need to be installed at very precise positions, and there is no need to install targets, which greatly reduces the difficulty of construction and installation and debugging.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows:

[0010] Further: the first distance measuring sensor, the second distance measuring sensor, the third distance measuring sensor and the fourth distance measuring sensor are respectively TOF laser distance measuring sensors.

[0011] The beneficial effect of the above further scheme is: using TOF laser ranging sensor, the ranging range can be up to 1 meter, the accuracy is 1mm, the light spot has a certain emission angle, the ranging object is the distance value of the point closest to the emission surface of the ranging sensor in the light spot area, and the ranging sensor is installed at the bottom of the basic rail and wing rail, which can accurately obtain the real-time relative position of the active rail with the basic rail and wing rail.

[0012] Further: the power supply circuit adopts a solar energy storage battery module.

[0013] The beneficial effect of the above further scheme is that the use of solar energy storage battery modules can realize solar power generation and power supply, which can provide effective power supply when there is no power supply on the trackside of newly built railways, increasing the application of the entire equipment in extreme scenarios.

[0014] Further: the edge gateway device for detecting the direction of railway turnouts also includes an alarm control circuit, the alarm control circuit is electrically connected to the main control circuit, and the alarm control circuit is electrically connected to the sound and light alarm.

[0015] The beneficial effect of the above further solution is that: the alarm control circuit can trigger an alarm message when the position data measured by the sensor exceeds the alarm parameter, and remind relevant personnel to take technical measures.

[0016] Further: the main control circuit adopts a single chip microcomputer of type stm32f217.

[0017] Further: The edge gateway device for detecting the direction of railway turnouts also includes a wireless transmission circuit, which is electrically connected to the main control circuit and electrically connected to an external cloud server.

[0018] The beneficial effect of the above further solution is that by adopting a wireless transmission circuit, real-time remote data transmission can be achieved, ensuring that the background server understands the position information measured by the sensor in real time, and realizing remote real-time interaction.

[0019] The utility model also provides an edge gateway system for detecting the direction of railway turnouts, comprising a cloud server and the edge gateway device for detecting the direction of railway turnouts, wherein the cloud server is wirelessly connected to the wireless transmission circuit.

[0020] The edge gateway system for detecting the direction of railway switches of the utility model is wirelessly connected to the cloud server and the wireless transmission circuit, so that the front-end edge gateway device and the back-end cloud server can realize remote real-time interaction and improve the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the configuration of an edge gateway device for detecting the direction of a railway turnout according to an embodiment of the present utility model;

[0022] Figure 2 A schematic diagram of the circuit structure of an edge gateway device for detecting the direction of railway turnouts according to an embodiment of the utility model;

[0023] Figure 3 This is a schematic diagram of the circuit structure of an edge gateway system for detecting the direction of railway turnouts according to an embodiment of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Basic rail, 2. Active rail, 3. First distance measuring sensor, 4. Second distance measuring sensor, 5. Third distance measuring sensor, 6. Fourth distance measuring sensor, 7. Information acquisition circuit, 8. Main control circuit, 9. Power supply circuit, 10. Branch core, 11. Wing rail, 12. Alarm control circuit, 13. Wireless transmission circuit, 14. Sound and light alarm, 15. Cloud server. DETAILED DESCRIPTION

[0026] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0027] like Figure 1 and Figure 2 As shown, an edge gateway device for detecting the direction of a railway turnout is applied to the junction of a pair of basic rails 1 and a pair of movable rails 2, including a first distance measuring sensor 3, a second distance measuring sensor 4, a third distance measuring sensor 5, a fourth distance measuring sensor 6, an information acquisition circuit 7, a main control circuit 8 and a power supply circuit 9, wherein the first distance measuring sensor 3 and the second distance measuring sensor 4 are respectively arranged on a pair of the basic rails 1 and located at the turnout tip position corresponding to the movable rail 2, the third distance measuring sensor 5 and the fourth distance measuring sensor 6 are respectively arranged on the wing rails 11 on both sides of the turnout core 10 between the basic rail 1 and the movable rail 2, the first distance measuring sensor 3, the second distance measuring sensor 4, the third distance measuring sensor 5 and the fourth distance measuring sensor 6 are respectively electrically connected to the information acquisition circuit 7, the information acquisition circuit 7 is electrically connected to the main control circuit 8, and the information acquisition circuit 7 and the main control circuit 8 are respectively electrically connected to the power supply circuit 9.

[0028] The edge gateway device for detecting the direction of railway turnouts of the utility model measures the relative position between the point rail of the active rail and the basic rail 1 in real time through the first distance measuring sensor 3 and the second distance measuring sensor 4, and measures the relative position between the turnout core 10 and the wing rail 11 in real time through the third distance measuring sensor 5 and the fourth distance measuring sensor 6. The alarm parameters can be dynamically adjusted according to the position data, so that it is convenient for the main control circuit 8 to judge the type of turnout fault according to the abnormal data, which greatly reduces the probability of false alarms. The sensors do not need to be installed at very precise positions, and there is no need to install targets, which greatly reduces the difficulty of construction and installation and debugging.

[0029] In one or more embodiments of the utility model, the first distance measuring sensor 3, the second distance measuring sensor 4, the third distance measuring sensor 5 and the fourth distance measuring sensor 6 are respectively TOF laser distance measuring sensors. With the TOF laser distance measuring sensor, the distance measuring range can be up to 1 meter, the accuracy is 1mm, the light spot has a certain emission angle, the distance measuring object is the distance value of a point in the light spot area closest to the emission surface of the distance measuring sensor, and the distance measuring sensor is installed at the bottom of the basic rail 1 and the wing rail 11, and can accurately obtain the real-time relative position of the movable rail 2 with the basic rail 1 and the wing rail 11.

[0030] Optionally, in one or more embodiments of the utility model, the power supply circuit 9 adopts a solar energy storage battery module. The use of a solar energy storage battery module can realize solar power generation and power supply, which can provide effective power supply when there is no power supply on the trackside of a newly built railway, increasing the application of the entire device in extreme scenarios.

[0031] In one or more embodiments of the utility model, the edge gateway device for detecting the direction of railway turnout further includes an alarm control circuit 12, the alarm control circuit 12 is electrically connected to the main control circuit 8, and the alarm control circuit 12 is electrically connected to the sound and light alarm 14. The alarm control circuit 12 can trigger an alarm message when the position data measured by the sensor exceeds the alarm parameter, and remind relevant personnel to take technical measures.

[0032] In one or more embodiments of the present utility model, the main control circuit 8 uses a single chip microcomputer of type stm32f217. The information acquisition circuit 7 can use an existing information acquisition development board.

[0033] In one or more embodiments of the utility model, the edge gateway device for detecting the direction of railway turnout further includes a wireless transmission circuit 13, the wireless transmission circuit 13 is electrically connected to the main control circuit 8, and the wireless transmission circuit 13 is electrically connected to an external cloud server 15. By adopting the wireless transmission circuit 13, real-time remote data transmission can be achieved, ensuring that the background server understands the location information measured by the sensor in real time, and realizing remote real-time interaction. Here, the wireless transmission circuit can adopt an existing GPRS module, Wi F i module or Bluetooth module, etc.

[0034] In practice, before detection, the position between the sensor and the base rail 1 and the movable rail 2 needs to be calibrated as follows:

[0035] (1) The distance measuring sensor is fixed on the basic rail 1 of the turnout tip and the corresponding basic rail 1 of the turnout core 10 is separated, the other point rail is closely attached to the corresponding other basic rail 1, and the turnout core 10 tip is closely attached to the wing rail 11 rail, and the distance value of each distance measuring sensor is obtained respectively, and this distance value is used as the judgment standard for the A-share turnout to the B-share turnout to be in place;

[0036] (2) The determination of the direction of A-share to A-share is calibrated as follows: the turnout switch machine is moved, the movable turnout core 10 turnout machine is moved, one of the point rails is closely attached to the corresponding base rail 1, the other point rail is separated from the corresponding other base rail 1, and the turnout core 10 points are closely attached to the wing rails 11 rails, and the distance value of each distance measuring sensor is obtained, and the distance value is used as the determination standard of the direction of A-share to A-share;

[0037] (3) Calibration of inconsistent switching: Only move the turnout tip switch machine or the movable turnout core 10 switch machine, and obtain the distance value of each distance measuring sensor respectively, which is used as the judgment standard of inconsistent switching;

[0038] (4) Other abnormal conditions: If the four sensor values ​​are inconsistent with the above conditions (the error exceeds 5 mm), it is judged that the commutation is abnormal.

[0039] In practice, the information collection circuit 7 collects the distance values ​​of the four distance measuring sensors, and the main control circuit 8 determines which of the above four states the current state is closest to based on the calibrated distance value. When the state is (3) or (4), the alarm control agent will trigger the sound and light alarm; at the same time, the wireless transmission module uploads the alarm information and distance value to the cloud server 15; when the state is (1) or (2), and is different from the state at the previous moment, the wireless transmission circuit 13 uploads the sensor data and the turnout direction status to the cloud server 15.

[0040] like Figure 3 As shown, the utility model also provides an edge gateway system for detecting the direction of railway turnouts, including a cloud server 15 and the edge gateway device for detecting the direction of railway turnouts, wherein the cloud server 15 is wirelessly connected to the wireless transmission circuit 13.

[0041] The edge gateway system for detecting the direction of railway turnouts of the utility model is wirelessly connected to the wireless transmission circuit 13 through the cloud server 15, so that the front-end edge gateway device and the back-end cloud server 15 can realize remote real-time interaction and improve the detection efficiency.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An edge gateway device for detecting the direction of a railway turnout, applied to the junction of a pair of basic rails (1) and a pair of movable rails (2), characterized in that: The invention comprises a first distance measuring sensor (3), a second distance measuring sensor (4), a third distance measuring sensor (5), a fourth distance measuring sensor (6), an information collection circuit (7), a main control circuit (8) and a power supply circuit (9); the first distance measuring sensor (3) and the second distance measuring sensor (4) are respectively arranged on a pair of the basic rails (1) and located at the fork tip position corresponding to the movable rail (2); the third distance measuring sensor (5) and the fourth distance measuring sensor (6) are respectively arranged on the wing rails (11) on both sides of the fork core (10) position between the basic rail (1) and the movable rail (2); the first distance measuring sensor (3), the second distance measuring sensor (4), the third distance measuring sensor (5) and the fourth distance measuring sensor (6) are respectively electrically connected to the information collection circuit (7); the information collection circuit (7) is electrically connected to the main control circuit (8); the information collection circuit (7) and the main control circuit (8) are respectively electrically connected to the power supply circuit (9).

2. The edge gateway device for detecting the direction of railway turnout according to claim 1, characterized in that: The first distance measuring sensor (3), the second distance measuring sensor (4), the third distance measuring sensor (5) and the fourth distance measuring sensor (6) are respectively TOF laser distance measuring sensors.

3. The edge gateway device for detecting the direction of railway turnout according to claim 1, characterized in that: The power supply circuit (9) adopts a solar energy storage battery module.

4. The edge gateway device for detecting the direction of railway turnout according to claim 1, characterized in that: It also comprises an alarm control circuit (12), wherein the alarm control circuit (12) is electrically connected to the main control circuit (8), and the alarm control circuit (12) is electrically connected to the sound and light alarm (14).

5. The edge gateway device for detecting the direction of railway turnout according to claim 4, characterized in that: The main control circuit (8) adopts a single chip microcomputer of type stm32f217.

6. The edge gateway device for detecting the direction of railway turnout according to any one of claims 1 to 5, characterized in that: It also includes a wireless transmission circuit (13), wherein the wireless transmission circuit (13) is electrically connected to the main control circuit (8), and the wireless transmission circuit (13) is electrically connected to an external cloud server (15).

7. An edge gateway system for railway turnout direction detection, characterized in that: It comprises a cloud server (15) and an edge gateway device for detecting the direction of railway switches as claimed in claim 6, wherein the cloud server (15) is wirelessly connected to the wireless transmission circuit (13).

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