A method, device and medium for checking the position of large turnouts in an interlocking system

Abstract

The present invention provides a method, device, and medium for verifying the position of a large turnout in an interlocking system. The large turnout includes multiple traction points, and the interlocking system is electrically connected to each traction point. The method includes the following steps: S1, collecting the total indication information of the large turnout and the sub-indication information of each traction point; S2, based on the collected total indication information and the sub-indication information of each traction point, the interlocking system determines whether the position state of the large turnout is one of the following states: positioned, reversed, or four-open; S3, based on the determined position state of the large turnout, the interlocking system performs interlocking function logic operations. The present invention addresses the shortcomings of the prior art by adding consistency verification between the total indication of the turnout and the sub-indication information of each traction point, thereby preventing serious accidents such as train derailment, rollover, and side-slip, and improving the convenience and efficiency of troubleshooting large turnouts.

Description

Technical Field

[0001] The present invention relates to the field of railway signal technology, and in particular to a method, device and medium for checking the position of a large turnout in an interlocking system. Background Art

[0002] In the field of railway signaling, turnouts are essential trackside infrastructure. Controlling their switching enables trains to pass through stations, change lines, enter and exit depots, and perform other operations. With the development of railway transportation and the significant increase in train speeds, large turnouts have become widely used. Because large turnouts have longer point rails, they require multiple traction points. Ensuring that the position of large turnouts used by the interlocking system is consistent with their actual trackside location has become a key research topic.

[0003] In the existing engineering design, for the single-action turnout of large turnout, as shown in the attached Figure 1 As shown, each traction point of the turnout is usually provided with a positioning indicating relay (in the figure, Q1-DBJ is the positioning indicating relay of the first traction point, Q2-DBJ is the positioning indicating relay of the second traction point, ..., QN-DBJ is the positioning indicating relay of the Nth traction point) and a reverse position indicating relay (Q1-FBJ is the reverse position indicating relay of the first traction point, Q2-FBJ is the reverse position indicating relay of the second traction point, ..., QN-FBJ is the reverse position indicating relay of the Nth traction point). When the positioning indicating relay is attracted, its front contact is closed, and the corresponding traction point is in the positioning position; when the reverse position indicating relay is attracted, its front contact is closed, and the corresponding traction point is in the reverse position; then the positioning indicating relay of each traction point is set to the reverse position. The front contacts of the position indicating relays are connected in series to form the positioning total indicating relay ZDBJ, and the front contacts of the reverse position indicating relays of each traction point are connected in series to form the reverse position total indicating relay ZFBJ (in the figure, KZ is the control positive power supply of each relay, KF is the control negative power supply of each relay, and each DBJ and FBJ includes multiple groups of redundant front contacts. KZ is connected to one group of DBJ or FBJ front contacts in series, and KF is connected to another group of DBJ or FBJ front contacts in series. KZ, KF, and two groups of DBJ or FBJ front contacts in series form a double-break protection circuit of ZDBJ or ZFBJ to prevent ZDBJ or ZFBJ from being erroneously attracted after any DBJ or FBJ front contact is short-circuited). As for the double-action turnouts of large turnouts, as shown in the attached figure, Figure 2 As shown (attached Figures 2 to 5 The meaning of each mark in the Figure 1In the figure, each traction point of each movement of the turnout is usually provided with a position indicating relay and a reverse position indicating relay. The front contacts of the position indicating relays of each traction point of each movement of the turnout are connected in series to form the double-action turnout position indicating relay ZDBJ, and the front contacts of the reverse position indicating relays of each traction point of each movement of the turnout are connected in series to form the double-action turnout reverse position indicating relay ZFBJ.

[0004] In the prior art, the method for determining the switch position by the interlocking system is as follows: first, the interlocking system collects the series connection conditions of the front contact of the positioning total indication relay, the front contact of the reverse position total indication relay, the rear contact of the positioning total indication relay, and the rear contact of the reverse position total indication relay; wherein, the series connection conditions of the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay are as shown in the attached figure. Figure 3 As shown, KZ provides positive electricity for the interlocking system to collect the series conditions of the rear contacts of ZDBJ and ZFBJ, and negative electricity is connected to the collection point where the interlocking system collects the series conditions of the rear contacts of ZDBJ and ZFBJ. Afterwards, the interlocking system makes a judgment based on the collected data. When the front contact of the positioning total indication relay is closed, the front contact of the reverse position total indication relay is disconnected, and the series conditions between the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay are disconnected, the turnout is judged to be in the positioning position; when the front contact of the reverse position total indication relay is closed, the front contact of the positioning total indication relay is disconnected, and the series conditions between the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay are disconnected, the interlocking system judges that the turnout is in the reverse position. Under normal circumstances, this method can usually ensure that the turnout position determined by the interlocking system is consistent with the actual position. However, when encountering human construction errors or traction equipment failures at a certain traction point, the determined position will be inconsistent with the actual position, which may lead to serious safety accidents or cause maintenance inconvenience:

[0005] 1. Accidents that cause trains to derail or roll over: Figure 4 As shown, in the control circuit of the position total indication relay or the reverse position total indication relay, due to human error in construction, the front contacts of the position indication relay or the reverse position indication relay of one or several traction points are short-circuited, causing the total indication relay to be unable to reflect the actual position of all traction points of the switch. If the shorted traction point is actually in the four-open state (neither the position nor the reverse position), the interlocking system will still be able to detect the position total indication relay or the reverse position total indication relay being pulled up, and then determine that the switch is in the position or reverse position state. The determined valid switch position will be used in the interlocking logic operation, and the route can be established through the switch in the four-open state, allowing the train to enter. When the train enters the route and runs to the four-open switch, it will cause a train derailment or rollover accident, causing serious personal injury and property damage.

[0006] 2. Accidents that lead to side collisions of trains: Figure 5As shown, in the control circuit of the positioning total indication relay or the reverse position total indication relay, due to human construction errors, the front contacts of the positioning indication relay or the reverse position indication relay of all traction points of a certain moving turnout of the double-moving turnout are short-circuited, causing the total indication relay to be unable to reflect the actual position of the moving turnout whose front contact of the indication relay is short-circuited. If at this time the actual position of the moving turnout whose indication relay is short-circuited is in the opposite position to the other moving turnout, the interlocking system can still collect the information of the turnout positioning total indication relay or the reverse position indication relay being attracted, determine that the double-moving turnout is in the positioning or reverse position state, and use the effective turnout position to participate in the interlocking logic operation. Two routes can be established through the double-moving turnout and trains can be allowed to enter. As shown in the attached figure Figure 6 As shown in the figure, turnout 1 is actually in reverse position, but the interlocking system mistakenly detects that it is in positioning state and determines it as positioned; turnout 3 is in positioning. At this time, route 1 through the reverse position of turnout 1 and route 2 through the reverse position of turnout 3 can be established at the same time. When the two trains enter the established routes and run to turnout 3, a train side collision accident will occur, causing personal injury and property loss.

[0007] 3. Maintenance issues that hinder turnout troubleshooting: The interlocking system only records the status of the turnout's total position indicator relay and total reverse position indicator relay, not the position indicator relay and reverse position indicator relay status of each traction point. If a traction point fails to shift to the specified position, the interlocking system can only provide a turnout jam alarm, but cannot accurately locate the traction point, hindering troubleshooting and equipment maintenance. Summary of the Invention

[0008] The purpose of the present invention is to provide a method, device and medium for verifying the position of large turnouts in an interlocking system. In view of the defects of the existing technology, the method adds consistency verification of the total representation of the turnout and the information of the representation of each traction point, thereby avoiding the occurrence of serious accidents such as train derailment, rollover and side impact, and improving the convenience and efficiency of troubleshooting of large turnouts.

[0009] To achieve the above object, the present invention is implemented through the following technical solutions:

[0010] A method for verifying the position of a large turnout using an interlocking system, wherein the large turnout includes multiple traction points, and the interlocking system is electrically connected to each traction point, comprising the following steps:

[0011] S1. Collecting the total information of the large turnout and the sub-indication information of each traction point;

[0012] S2. Based on the collected total indication information and the sub-indication information of each traction point, the interlocking system determines that the position state of the large turnout is one of the fixed position, reverse position, and four-way position;

[0013] S3. Based on the determined position status of the large-sized turnout, the interlocking system performs an interlocking function logic operation.

[0014] Preferably, the total indication information includes a series connection condition of a front contact of a positioning total indication relay, a front contact of a reverse position total indication relay, a rear contact of a positioning total indication relay, and a rear contact of a reverse position total indication relay;

[0015] The sub-indication information includes the front contact of the positioning indication relay and the front contact of the reverse position indication relay of the traction point.

[0016] Preferably, step S2 includes:

[0017] S21, determining whether the position state of the large turnout is positioning, and if it is determined to be positioning, proceeding to step S3;

[0018] S22, determining whether the position state of the large-sized turnout is in reverse position, and if it is determined to be in reverse position, proceeding to step S3;

[0019] S23. Determine that the position state of the large-size turnout is a four-open state.

[0020] Preferably, the judgment condition of step S21 is:

[0021] When the front contact of the positioning total indication relay is closed, the front contacts of the positioning indication relays of each traction point are closed, the front contact of the reverse position total indication relay is disconnected, the front contacts of the reverse position indication relays of each traction point are disconnected, and the series connection conditions of the rear contacts of the positioning total indication relay and the rear contacts of the reverse position total indication relay are disconnected, the interlocking system determines that the position status of the large turnout is positioning.

[0022] Preferably, step S21 includes:

[0023] S211, judging whether the front contact of the positioning total indication relay is closed:

[0024] If closed, go to step S212;

[0025] Otherwise, go to step S22;

[0026] S212, determining whether the front contact of the reverse position total indication relay is disconnected:

[0027] If disconnected, go to step S213;

[0028] Otherwise, go to step S22;

[0029] S213, determining whether the series connection condition between the rear contact of the turnout position total indication relay and the rear contact of the reverse position total indication relay is disconnected:

[0030] If disconnected, go to step S214;

[0031] Otherwise, go to step S22;

[0032] S214: Determine whether the front contacts of the positioning indication relays of each traction point are all closed:

[0033] If both are closed, go to step S215;

[0034] Otherwise, go to step S22;

[0035] S215: Determine whether the front contacts of the reverse position indicating relays of each traction point are all disconnected:

[0036] If both are disconnected, the process goes to step S216;

[0037] Otherwise, go to step S22;

[0038] S216: Determine that the position status of the large-sized turnout is positioning.

[0039] Preferably, the judgment condition of step S22 is:

[0040] When the front contact of the reverse position total indication relay is closed and the front contacts of the reverse position indication relays of each traction point are closed, and the front contact of the positioning total indication relay is disconnected and the front contacts of the positioning indication relays of each traction point are disconnected, and the series connection conditions of the rear contacts of the positioning total indication relay and the rear contacts of the reverse position total indication relay are disconnected, the interlocking system determines that the position state of the large switch is reverse position.

[0041] Preferably, step S22 includes:

[0042] S221, judging whether the front contact of the reverse position total indication relay is closed:

[0043] If closed, go to step S222;

[0044] Otherwise, go to step S23;

[0045] S222, determining whether the front contact of the positioning total indication relay is disconnected:

[0046] If disconnected, go to step S223;

[0047] Otherwise, go to step S23;

[0048] S223, judging whether the series connection condition between the rear contact of the position total indication relay and the rear contact of the reverse position total indication relay is disconnected:

[0049] If disconnected, go to step S224;

[0050] Otherwise, go to step S23;

[0051] S224, determining whether the front contacts of the reverse position indicating relays of each traction point are all closed:

[0052] If both are closed, go to step S225;

[0053] Otherwise, go to step S23;

[0054] S225: Determine whether the front contacts of the positioning indication relays of each traction point are all disconnected:

[0055] If both are disconnected, the process goes to step S226;

[0056] Otherwise, go to step S23;

[0057] S226. The interlocking system determines that the position state of the large turnout is reverse.

[0058] Preferably, step S3 includes:

[0059] S31. When the large-sized turnout is a single-action turnout and its position state is in the four-open state, the route through the large-sized turnout is not allowed to be established to avoid train derailment or rollover accidents.

[0060] Preferably, step S3 includes:

[0061] S32. When the large-sized turnout is a double-action turnout and its position state is in the four-open state, all approaches through the large-sized turnout are not allowed to be established to avoid train side-rush accidents.

[0062] Preferably, step S1 further includes step S2′:

[0063] Based on the collected total representation information and the sub-representation information of each traction point, the interlocking system traverses each traction point, determines its position status and displays the position status.

[0064] Preferably, the position state of each traction point is one of the positioned, reversed and quarter-open states, and the position state display is one of the positioned display, reversed display and quarter-open display.

[0065] Preferably, step S2′ includes:

[0066] S21′, determining whether the current position state of the traction point is positioning, and if so, performing positioning display;

[0067] S22′, determining whether the position state of the current traction point is in reverse position, and if so, performing reverse position display;

[0068] S23′, determining that the position state of the current traction point is a four-open state, and performing a four-open display.

[0069] Preferably, the judgment condition of step S21′ is:

[0070] When the positioning of the current traction point indicates that the front contact of the relay is closed and the reverse position indicates that the front contact of the relay is open, the interlocking system determines that the position state of the current traction point is positioning.

[0071] Preferably, step S21′ includes:

[0072] S211′, determining whether the front contact of the positioning indication relay of the current traction point is closed:

[0073] If closed, go to step S212′;

[0074] Otherwise, go to step S22′;

[0075] S212′, judging whether the reverse position of the current traction point indicates that the front contact of the relay is disconnected:

[0076] If disconnected, go to step S213′;

[0077] Otherwise, go to step S22′;

[0078] S213′: Determine that the position state of the current traction point is positioning, and perform the positioning display on the current traction point.

[0079] Preferably, the judgment condition of step S22′ is:

[0080] When the reverse position indicates that the front contact of the relay of the current traction point is closed and the positioning position indicates that the front contact of the relay is disconnected, the interlocking system determines that the position state of the current traction point is the reverse position.

[0081] Preferably, step S22′ includes:

[0082] S221′, judging whether the front contact of the reverse position indicating relay of the current traction point is closed:

[0083] If closed, go to step S222′;

[0084] Otherwise, go to step S23′;

[0085] S222′, determining whether the front contact of the positioning indication relay of the current traction point is disconnected:

[0086] If disconnected, go to step S223′;

[0087] Otherwise, go to step S23′;

[0088] S223′: Determine that the position state of the current traction point is inverted, and perform the inverted display on the current traction point.

[0089] Preferably, step S2' is performed synchronously with step S2.

[0090] Preferably, the position status of each traction point is displayed by a position status indicator light of each traction point, and the position status indicator light of each traction point includes a green light indicating the position and a yellow light indicating the reverse position;

[0091] Among them, the positioning display is that the positioning indicates the green light is on and the reverse position indicates the yellow light is off, the reverse position display is that the reverse position indicates the yellow light is on and the positioning indicates the green light is off, and the four-opening display is that the positioning indicates the green light and the reverse position indicates the yellow light are both off.

[0092] A device for checking the position of a large turnout in an interlocking system, the device being connected to a user interface of the interlocking system and capable of accessing data of the interlocking system;

[0093] The device includes a memory, a processor, and an interlocking system large switch position verification program stored in the memory and runnable on the processor. When the interlocking system large switch position verification program is executed by the processor, the steps of any one of the above-mentioned interlocking system large switch position verification methods are implemented.

[0094] A computer-readable storage medium stores a program for verifying the position of a large turnout in an interlocking system. When the program is executed by a processor, the steps of any one of the above-mentioned methods for verifying the position of a large turnout in an interlocking system are implemented.

[0095] In summary, compared with the prior art, the method, device, and medium for verifying the position of a large turnout in an interlocking system provided by the present invention have the following beneficial effects:

[0096] 1. By adding consistency checks between the switch master indication and the information displayed at each traction point, when a human error in construction causes the actual position of a single-action switch to be inconsistent with the position indicated by the switch master indication relay, the interlocking software can determine that the single-action switch is in the four-open state and prohibit the establishment of an approach route through the switch, ensuring that trains cannot enter the relevant switch area and avoiding accidents such as train derailment or rollover.

[0097] 2. By adding consistency checks between the turnout master indication and the information displayed at each traction point, when a construction error in a double-action turnout causes the actual position of the trackside turnout to be inconsistent with the turnout position indicated by the turnout master indication relay, the interlocking software can determine that the double-action turnout is in the four-open state. All routes passing through the double-action turnout are not allowed to be established, ensuring that two trains cannot enter the route at the same time, thus avoiding train side-rush accidents.

[0098] 3. By adding a position status display to each traction point of the turnout, the operator can quickly locate the traction point where the fault occurs, greatly improving the convenience and speed of troubleshooting. BRIEF DESCRIPTION OF THE DRAWINGS

[0099] Figure 1 This is a schematic diagram of the series connection of the front contacts of the positioning and reverse position indicating relays of the single-action turnout in the prior art;

[0100] Figure 2 This is a schematic diagram of the series connection of the front contacts of the positioning and reverse position indicating relays of the double-action turnout in the prior art;

[0101] Figure 3 This is a schematic diagram of the series connection of the rear contacts of the position total indication and reverse position total indication relays in the prior art;

[0102] Figure 4 for Figure 1 The middle position and reverse position represent the schematic diagram of the short circuit situation of the front contacts of the relay;

[0103] Figure 5 for Figure 2 The middle position and reverse position represent the schematic diagram of the short circuit situation of the front contacts of the relay;

[0104] Figure 6 Cause Figure 5 Schematic diagram of the wrong route established due to the situation;

[0105] Figure 7 A flow chart of a method for verifying the position of a large turnout in an interlocking system according to the present invention;

[0106] Figure 8 This is a detailed flow chart of one embodiment of the method for verifying the position of a large turnout in an interlocking system of the present invention. DETAILED DESCRIPTION

[0107] The following is a further detailed description of a method, device and medium for verifying the position of a large turnout in an interlocking system proposed by the present invention in conjunction with the accompanying drawings and specific implementation methods. According to the following description, the advantages and features of the present invention will be clearer. It should be noted that the drawings are in a very simplified form and use non-precise proportions. They are only used to conveniently and clearly assist in explaining the purpose of the implementation of the present invention, and are not used to limit the limiting conditions for the implementation of the present invention. Therefore, they have no technical significance. Any modification of the structure, change in the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the efficacy and purpose that can be achieved by the present invention.

[0108] It should be noted that, in the present invention, relational terms such as and are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or apparatus comprising a series of elements includes not only the elements explicitly listed, but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0109] Combined with attachment Figures 7-8 The present invention provides a method, device and medium for verifying the position of a large turnout through an interlocking system, wherein the large turnout includes multiple traction points, and the interlocking system is electrically connected to each traction point.

[0110] As attached Figure 7 、 8 As shown, the method for verifying the position of a large turnout by the interlocking system includes the following steps:

[0111] S1. Collect the total indication information of the large-sized turnout and the sub-indication information of each traction point; wherein, the total indication information includes the series connection conditions of the front contact of the positioning total indication relay, the front contact of the reverse position total indication relay, the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay; the sub-indication information of each traction point includes the front contact of the positioning indication relay and the front contact of the reverse position indication relay of each traction point.

[0112] S2. Based on the collected total indication information and the sub-indication information of each traction point, the interlocking system determines the position state of the large-sized turnout; wherein the position state is one of the positioning, reverse position, and four-open state. The working principle of this step is to first determine the position of the turnout: when the front contact of the positioning total indication relay is closed, the front contacts of the positioning indication relay of each traction point are closed, and the front contact of the reverse position total indication relay is disconnected, the front contacts of the reverse position indication relay of each traction point are disconnected, and the series connection condition between the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay is disconnected, the interlocking system determines that the position state of the large turnout is positioned; when the turnout positioning judgment condition is not met, the turnout reverse position judgment process is entered: when the front contact of the reverse position total indication relay is closed, the front contacts of the reverse position indication relay of each traction point are closed, and the front contact of the positioning total indication relay is disconnected, the front contacts of the positioning indication relay of each traction point are disconnected, and the series connection condition between the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay is disconnected, the interlocking system determines that the position state of the large turnout is reverse position; when the reverse position judgment condition is also not met, the interlocking system determines that the position state of the large turnout is four-open state. Specifically, it includes the steps:

[0113] S21, determining whether the position state of the large turnout is positioning; the specific judgment condition is that when the front contact of the positioning total indication relay is closed, the front contacts of the positioning indication relays of each traction point are closed, and the front contact of the reverse position total indication relay is disconnected, the front contacts of the reverse position indication relays of each traction point are disconnected, and the series connection condition of the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay is disconnected, the interlocking system determines that the position state of the large turnout is positioning; comprising the steps of:

[0114] S211, determine whether the front contact of the positioning total indication relay is closed:

[0115] If closed, go to step S212;

[0116] Otherwise, go to step S22;

[0117] S212, determine whether the front contact of the reverse position total indication relay is disconnected:

[0118] If disconnected, go to step S213;

[0119] Otherwise, go to step S22;

[0120] S213. Determine whether the series connection condition between the rear contacts of the turnout position indication relay and the rear contacts of the reverse position indication relay is disconnected:

[0121] If disconnected, go to step S214;

[0122] Otherwise, go to step S22;

[0123] S214: Determine whether the front contacts of the positioning indication relays of each traction point are all closed:

[0124] If both are closed, go to step S215;

[0125] Otherwise, go to step S22;

[0126] S215, determine whether the front contacts of the reverse position indication relays of each traction point are all disconnected:

[0127] If both are disconnected, the process goes to step S216;

[0128] Otherwise, go to step S22;

[0129] S216: Determine that the position status of the large-sized turnout is positioning.

[0130] S22, determining whether the position state of the large turnout is in the reverse position; the specific determination condition is that when the front contact of the reverse position total indication relay is closed, the front contacts of the reverse position indication relays of each traction point are all closed, the front contact of the positioning total indication relay is disconnected, the front contacts of the positioning indication relays of each traction point are all disconnected, and the series connection condition of the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay is disconnected, the interlocking system determines that the position state of the large turnout is in the reverse position; comprising the steps of:

[0131] S221, determine whether the front contact of the reverse position total indication relay is closed:

[0132] If closed, go to step S222;

[0133] Otherwise, go to step S23;

[0134] S222, determine whether the front contact of the positioning total indication relay is disconnected:

[0135] If disconnected, go to step S223;

[0136] Otherwise, go to step S23;

[0137] S223. Determine whether the series connection condition between the rear contacts of the position indication relay and the rear contacts of the reverse indication relay is disconnected:

[0138] If disconnected, go to step S224;

[0139] Otherwise, go to step S23;

[0140] S224: Determine whether the front contacts of the reverse position indication relays of each traction point are all closed:

[0141] If both are closed, go to step S225;

[0142] Otherwise, go to step S23;

[0143] S225: Determine whether the front contacts of the positioning indication relays of each traction point are all disconnected:

[0144] If both are disconnected, the process goes to step S226;

[0145] Otherwise, go to step S23;

[0146] S226. The interlocking system determines that the position state of the large-size switch is reverse.

[0147] S23: Determine that the position state of the large turnout is the four-way open state. The principle is that through steps S21 and S22, the interlocking system can determine that the position state of the large turnout is neither in the fixed position nor in the reverse position, and then determine that the position state of the large turnout is the four-way open state.

[0148] S3. Based on the determined position status of the large turnout, the interlocking system performs logical operations on interlocking functions such as route locking and signal opening. This includes the following steps:

[0149] S31. When the large turnout is a single-action turnout and its position state is in the four-open state, the route through the large turnout is not allowed to be established to avoid train derailment or rollover accidents;

[0150] S32. When the large-sized turnout is a double-action turnout and its position state is in the four-open state, all approaches through the large-sized turnout are not allowed to be established to avoid train side-rush accidents.

[0151] Furthermore, preferably, in some embodiments, the method further includes step S2′ after step S1:

[0152] S2′. Based on the collected total representation information and the sub-representation information of each traction point, the interlocking system traverses each traction point to determine its position status, and displays the position status of each traction point, so that the operator can clearly grasp the position status of each traction point and quickly locate the faulty traction point when a large-scale turnout fails, thereby improving the convenience and speed of fault detection; wherein, the position status of each traction point is one of the positioning, reverse position, and four-opening states, and the position status display of each traction point is one of the positioning display, reverse position display, and four-opening display. The present embodiment does not specifically limit the method of displaying the position status. For example, the position status display is performed through the position status indicator lights of each traction point. The position status indicator lights of each traction point include a green light indicating the position and a yellow light indicating the reverse position. The green light indicating the position is on and the yellow light indicating the reverse position is off, indicating that the traction point is in the position state. The yellow light indicating the position is on and the green light indicating the position is off, indicating that the traction point is in the reverse position. The green light indicating the position and the yellow light indicating the position are both off, indicating that the traction point is in the four-open state. Preferably, step S2′ is executed synchronously with step S2, which can improve the execution efficiency and the response speed of the position status display. Specifically, the execution process for each traction point includes the following steps:

[0153] S21′, determining whether the position state of the current traction point is positioning, and if so, performing positioning display; the specific judgment condition is that when the positioning of the current traction point indicates that the front contact of the relay is closed, and the reverse position indicates that the front contact of the relay is open, the interlocking system determines that the position state of the current traction point is positioning; comprising the steps of:

[0154] S211′, determine whether the front contact of the positioning indication relay of the current traction point is closed:

[0155] If closed, go to step S212′;

[0156] Otherwise, go to step S22′;

[0157] S212′, determine whether the reverse position of the current traction point indicates whether the front contact of the relay is disconnected:

[0158] If disconnected, go to step S213′;

[0159] Otherwise, go to step S22′;

[0160] S213′, determining that the position status of the current traction point is positioning, and displaying the positioning of the current traction point; in the above embodiment provided with a position status indicator light, the positioning display is that the positioning indicator green light is on and the reverse position indicator yellow light is off.

[0161] S22′, determining whether the position state of the current traction point is in the reverse position, and if so, performing reverse position display; the specific determination condition is that when the reverse position of the current traction point indicates that the front contact of the relay is closed and the positioning indicates that the front contact of the relay is open, the interlocking system determines that the position state of the current traction point is in the reverse position; comprising the steps of:

[0162] S221′, determine whether the front contact of the reverse position indicating relay of the current traction point is closed:

[0163] If closed, go to step S222′;

[0164] Otherwise, go to step S23′;

[0165] S222′, determine whether the front contact of the positioning indication relay of the current traction point is disconnected:

[0166] If disconnected, go to step S223′;

[0167] Otherwise, go to step S23′;

[0168] S223′, determine that the position status of the current traction point is reversed, and display the current traction point in reverse position; in the above embodiment provided with a position status indicator light, the reverse position display is that the reverse position indicating yellow light is on and the positioning indicating green light is off.

[0169] S23': Determine the current position state of the traction point as being in the "four-way" state, and display the current traction point in the "four-way" state. In the embodiment described above, where position state indicator lights are provided, the four-way display is when both the "position" green light and the "reverse" yellow light are off. The principle is that, through steps S21' and S22', the interlocking system can determine that the current position state of the traction point is neither in the "position" nor the "reverse" state, and thus determines that the current position state of the traction point is in the "four-way" state.

[0170] In addition, the present invention also provides an interlocking system large-scale switch position verification device, which is connected to the user interface of the interlocking system and can access the data of the interlocking system; the device includes a memory, a processor and an interlocking system large-scale switch position verification program stored on the memory and runnable on the processor, and when the interlocking system large-scale switch position verification program is executed by the processor, the steps of the interlocking system large-scale switch position verification method described in the above embodiments are implemented.

[0171] In addition, the present invention also proposes a computer-readable storage medium, on which is stored a program for verifying the position of a large turnout in an interlocking system. When the program for verifying the position of a large turnout in an interlocking system is executed by a processor, the steps of the method for verifying the position of a large turnout in an interlocking system as described in the above embodiments are implemented.

[0172] In summary, the present invention provides a method, device and medium for verifying the position of large switches in an interlocking system. By adding a consistency check between the switch general indication and the indication information of each traction point, when a human construction error occurs in a single-action switch, resulting in the actual position of the switch being inconsistent with the switch position indicated by the switch general indication relay, the interlocking software can determine that the single-action switch is in a four-open state, and the approach through the switch is not allowed to be established, ensuring that the train cannot enter the relevant switch area, avoiding accidents such as train derailment or rollover; by adding a consistency check between the switch general indication and the indication information of each traction point, when a human construction error occurs in a double-action switch, resulting in the actual position of the trackside switch being inconsistent with the switch position indicated by the switch general indication relay, the interlocking software can determine that the double-action switch is in a four-open state, and the approach through the double-action switch is not allowed to be established, ensuring that two trains cannot enter the approach at the same time, avoiding train side-rush accidents; by adding a position status display for each traction point of the switch, the operator can quickly locate the traction point where the fault occurs, greatly improving the convenience and speed of fault troubleshooting.

[0173] Although the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description is not intended to limit the present invention. After reading the above description, various modifications and substitutions of the present invention will become apparent to those skilled in the art. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims

1. A method for verifying the position of a large turnout using an interlocking system, wherein the large turnout includes multiple traction points, and the interlocking system is electrically connected to each traction point, characterized in that: Including steps: S1. Collecting the total information of the large turnout and the sub-indication information of each traction point; The total indication information includes the series connection conditions of the front contact of the positioning total indication relay, the front contact of the reverse position total indication relay, the rear contact of the positioning total indication relay and the rear contact of the reverse position total indication relay; The sub-indication information includes the front contact of the positioning indication relay and the front contact of the reverse position indication relay of the traction point; S2. Based on the collected total indication information and the sub-indication information of each traction point, the interlocking system determines that the position state of the large turnout is one of the fixed position, reverse position, and four-way position; S3. Based on the determined position status of the large-sized turnout, the interlocking system performs an interlocking function logic operation; Wherein, step S2 includes: S21, determining whether the position state of the large turnout is positioning, and if it is determined to be positioning, proceeding to step S3; S22, determining whether the position state of the large-sized turnout is in reverse position, and if it is determined to be in reverse position, proceeding to step S3; S23, determining that the position state of the large-size turnout is a four-open state; The judgment conditions of step S21 are: When the front contact of the positioning total indication relay is closed, the front contacts of the positioning indication relays of each traction point are closed, the front contact of the reverse position total indication relay is disconnected, the front contacts of the reverse position indication relays of each traction point are disconnected, and the series connection conditions of the rear contacts of the positioning total indication relay and the rear contacts of the reverse position total indication relay are disconnected, the interlocking system determines that the position status of the large turnout is positioning.

2. The method for verifying the position of a large turnout in an interlocking system according to claim 1, characterized in that: Step S21 includes: S211, judging whether the front contact of the positioning total indication relay is closed: If closed, go to step S212; Otherwise, go to step S22; S212, determining whether the front contact of the reverse position total indication relay is disconnected: If disconnected, go to step S213; Otherwise, go to step S22; S213, determining whether the series connection condition between the rear contact of the large turnout position total indication relay and the rear contact of the reverse position total indication relay is disconnected: If disconnected, go to step S214; Otherwise, go to step S22; S214: Determine whether the front contacts of the positioning indication relays of each traction point are all closed: If both are closed, go to step S215; Otherwise, go to step S22; S215: Determine whether the front contacts of the reverse position indicating relays of each traction point are all disconnected: If both are disconnected, the process goes to step S216; Otherwise, go to step S22; S216: Determine that the position status of the large-sized turnout is positioning.

3. The method for verifying the position of a large turnout in an interlocking system according to claim 1, wherein: The judgment condition of step S22 is: When the front contact of the reverse position total indication relay is closed and the front contacts of the reverse position indication relays of each traction point are closed, and the front contact of the positioning total indication relay is disconnected and the front contacts of the positioning indication relays of each traction point are disconnected, and the series connection conditions of the rear contacts of the positioning total indication relay and the rear contacts of the reverse position total indication relay are disconnected, the interlocking system determines that the position state of the large switch is reverse position.

4. The method for verifying the position of a large turnout in an interlocking system according to claim 3, characterized in that: step S22 includes: S221, judging whether the front contact of the reverse position total indication relay is closed: If closed, go to step S222; Otherwise, go to step S23; S222, determining whether the front contact of the positioning total indication relay is disconnected: If disconnected, go to step S223; Otherwise, go to step S23; S223, judging whether the series connection condition between the rear contact of the position total indication relay and the rear contact of the reverse position total indication relay is disconnected: If disconnected, go to step S224; Otherwise, go to step S23; S224, determining whether the front contacts of the reverse position indicating relays of each traction point are all closed: If both are closed, go to step S225; Otherwise, go to step S23; S225: Determine whether the front contacts of the positioning indication relays of each traction point are all disconnected: If both are disconnected, the process goes to step S226; Otherwise, go to step S23; S226. The interlocking system determines that the position state of the large turnout is reverse.

5. The method for verifying the position of a large turnout in an interlocking system according to claim 1, wherein: Step S3 includes: S31. When the large-sized turnout is a single-action turnout and its position state is in the four-open state, the route through the large-sized turnout is not allowed to be established to avoid train derailment or rollover accidents.

6. The method for verifying the position of a large turnout in an interlocking system according to claim 1, wherein: Step S3 includes: S32. When the large-sized turnout is a double-action turnout and its position state is in the four-open state, all approaches through the large-sized turnout are not allowed to be established to avoid train side-rush accidents.

7. The method for verifying the position of a large turnout in an interlocking system according to claim 1, wherein: After step S1, the method further includes step S2′: Based on the collected total representation information and the sub-representation information of each traction point, the interlocking system traverses each traction point, determines its position status and displays the position status.

8. The method for verifying the position of a large turnout in an interlocking system according to claim 7, characterized in that: The position state of each traction point is one of the positioned state, the reversed state, and the quarter-open state, and the position state display is one of the positioned display, the reversed display, and the quarter-open display.

9. The method for verifying the position of a large turnout in an interlocking system according to claim 8, characterized in that: Step S2′ includes: S21′, determining whether the current position state of the traction point is positioning, and if so, performing positioning display; S22′, determining whether the position state of the current traction point is in reverse position, and if so, performing reverse position display; S23′, determining that the position state of the current traction point is a four-open state, and performing a four-open display.

10. The method for verifying the position of a large turnout in an interlocking system according to claim 9, characterized in that: The judgment condition of step S21′ is: When the positioning of the current traction point indicates that the front contact of the relay is closed and the reverse position indicates that the front contact of the relay is open, the interlocking system determines that the position state of the current traction point is positioning.

11. The method for verifying the position of a large turnout in an interlocking system according to claim 10, characterized in that: Step S21′ includes: S211′, determining whether the front contact of the positioning indication relay of the current traction point is closed: If closed, go to step S212′; Otherwise, go to step S22′; S212′, judging whether the reverse position of the current traction point indicates that the front contact of the relay is disconnected: If disconnected, go to step S213′; Otherwise, go to step S22′; S213′: Determine that the position state of the current traction point is positioning, and perform the positioning display on the current traction point.

12. The method for verifying the position of a large turnout in an interlocking system according to claim 9, wherein: The judgment condition of step S22′ is: When the reverse position indicates that the front contact of the relay of the current traction point is closed and the positioning position indicates that the front contact of the relay is disconnected, the interlocking system determines that the position state of the current traction point is the reverse position.

13. The method for verifying the position of a large turnout in an interlocking system according to claim 12, characterized in that: Step S22′ includes: S221′, judging whether the front contact of the reverse position indicating relay of the current traction point is closed: If closed, go to step S222′; Otherwise, go to step S23′; S222′, determining whether the front contact of the positioning indication relay of the current traction point is disconnected: If disconnected, go to step S223′; Otherwise, go to step S23′; S223′: Determine that the position state of the current traction point is an inverted position, and perform the inverted position display on the current traction point.

14. The method for verifying the position of a large turnout in an interlocking system according to claim 7, wherein: Step S2' is executed synchronously with step S2.

15. The method for verifying the position of a large turnout in an interlocking system according to claim 8, characterized in that: The position status of each traction point is displayed through the position status indicator light of each traction point, and the position status indicator light of each traction point includes a green light indicating the position and a yellow light indicating the reverse position; Among them, the positioning display is that the positioning indicates the green light is on and the reverse position indicates the yellow light is off, the reverse position display is that the reverse position indicates the yellow light is on and the positioning indicates the green light is off, and the four-opening display is that the positioning indicates the green light and the reverse position indicates the yellow light are both off.

16. A device for checking the position of large turnouts in an interlocking system, characterized in that: The device is connected to a user interface of the interlocking system for accessing data of the interlocking system; The device includes a memory, a processor, and an interlocking system large switch position verification program stored in the memory and running on the processor. When the interlocking system large switch position verification program is executed by the processor, the steps of the interlocking system large switch position verification method as described in any one of claims 1 to 15 are implemented.

17. A computer-readable storage medium, characterized in that The computer-readable storage medium stores a program for verifying the position of a large turnout in an interlocking system. When the program is executed by the processor, the steps of the method for verifying the position of a large turnout in an interlocking system are implemented as described in any one of claims 1 to 15.

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