Level crossing priority passing control system

Abstract

The invention discloses a level crossing priority passing control system, which belongs to the technical field of level crossing control, and comprises a comprehensive control box, a sensing device and a road warning device, a first sensing unit and a second sensing unit which are sequentially arranged on the two sides of a level crossing in the advancing direction of a train and have a certain distance from the level crossing are connected with a comprehensive control box, so that a signal that the train is about to arrive and a signal that the train leaves are transmitted to the comprehensive control box; and the comprehensive control box controls the road warning device to work so as to control whether the train passes in the road direction or not, so that the priority passing right of the train at the level crossing is ensured, and the smoothness of the road and the safety of the train when the train passes through the level crossing are ensured to the greatest extent. According to the level crossing priority passing control system, total and intensive control over equipment and facilities at the level crossing is achieved, and the working efficiency of all equipment at the level crossing is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of level crossing control, and in particular relates to a level crossing priority passing control system for a sightseeing train. Background Art

[0002] The following layout methods are generally adopted when existing railway lines or trams intersect existing roads: 1. When the traffic volume is small and the grade of the level crossing road is low, an unmanned level crossing is set up with no signal control equipment, no traffic light equipment, no guardrail machine, etc.; 2. When the traffic volume is large and the grade of the level crossing road is high, a manned level crossing is set up, and supporting crossing houses, guardrail machines, signal control equipment, etc.

[0003] As a tourist product, sightseeing trains are characterized by low speed, manual driving, long departure intervals, and connecting scenic spots. The roads intersecting with sightseeing trains are mainly rural roads and roads of lower grades with small traffic volumes. If unmanned level crossings are used, it will be unsafe. However, if manned level crossings are used, the construction and operating costs will be high. Sightseeing train crossings need to effectively control construction costs and reduce operating costs. In addition, the railway signals and road signals set up for manned level crossings are separate systems, which are not unified or compatible. Management and signal control are relatively complex, and require high investment and operating costs. Summary of the invention

[0004] In response to one or more of the above defects or improvement needs in the prior art, the present invention provides a level crossing priority control system to achieve effective and intensive control of tracks and roads at level crossings, ensure that trains pass first, and ensure safe operation of level crossings.

[0005] To achieve the above object, the present invention provides a level crossing priority control system for level crossings of tracks and roads, comprising an integrated control box, a sensing device and a road warning device;

[0006] The sensing device comprises a first sensing unit and a second sensing unit arranged in sequence along the longitudinal direction of the track, wherein the first sensing unit and the second sensing unit are arranged on both sides of the level crossing; the first sensing unit is used to sense the locomotive and transmit a signal that the train is about to arrive, and the first sensing unit is spaced apart from the level crossing, and the spacing distance is calculated based on the braking acceleration of the train and the initial speed when passing through the first sensing unit; the second sensing unit is used to sense and transmit a signal that the train is leaving;

[0007] The integrated control box is connected to the first sensing unit and the second sensing unit, and is used to receive train arrival and departure signals;

[0008] The road warning device is connected to the integrated control box, which is arranged at the level crossing and corresponding to the road direction. After receiving the signal that a train is about to arrive, the integrated control box controls the road warning device to warn that the road direction at the level crossing is prohibited from passing, and after receiving the signal that the train is leaving, controls the road warning device to cancel the warning.

[0009] As a further improvement of the present invention, the road warning device includes a timer, an audible and visual alarm, a signal light and a barrier machine which are arranged on both sides of the level crossing along the road direction and facing the road direction, and are respectively connected to the integrated control box; after the integrated control box receives the train arrival signal, it controls the operation of the timer and the audible and visual alarm; after the countdown of the timer ends, the signal light changes from green to red, and the barrier machine changes from an open state to a closed road state; after the first sensing unit is disconnected, the audible and visual alarm stops working, the timer starts counting down, the signal light changes from red to green, and the barrier machine returns to an open state.

[0010] As a further improvement of the present invention, the second sensing unit is spaced apart from the level crossing, and the spacing distance is not less than the length of the train. The second sensing unit transmits a train departure signal when sensing the locomotive.

[0011] As a further improvement of the present invention, the second sensing unit is arranged along the end side of the level crossing, and transmits a train departure signal when sensing that the rear end of the train has left.

[0012] As a further improvement of the present invention, a speed limit sign is provided on a side of the first sensing unit facing away from the level crossing.

[0013] As a further improvement of the present invention, the speed limit sign is spaced apart from the first sensing unit, and the spacing distance is calculated and determined based on the speed and braking acceleration of the train.

[0014] As a further improvement of the present invention, the integrated control box is arranged on both sides of the level crossing along the road direction, and an emergency button is provided on the integrated control box. The emergency button is connected to the sensing device and the information transmission line, and the emergency button is connected to the train wireless signal. After the emergency button is pressed, the train receives the emergency signal and takes emergency braking.

[0015] As a further improvement of the present invention, when the train track is a single-line bidirectional operating direction, the first sensing unit and the second sensing unit are both spaced apart from the level crossing, and the spacing distance is not less than the length of the train.

[0016] As a further improvement of the present invention, when the train track is double-line bidirectional operation, one sensing device is respectively provided for each line, and the two sensing devices are connected to the integrated control box at the same time.

[0017] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0018] In general, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

[0019] (1) The level crossing priority control system of the present invention controls the direction of the road through the combined operation of the sensing units and the integrated control box on both sides of the level crossing and the operation of the road warning device, thereby ensuring the priority right of passage of trains at the level crossing and ensuring the smooth passage of the road and the safety of trains when passing through the level crossing to the greatest extent.

[0020] (2) The level crossing priority control system of the present invention realizes the joint operation of the sensing device and the signal light by setting the signal light only in the road direction, thereby reducing the error rate of the signal light, reducing the occurrence of accidents, and avoiding the occurrence of accidents. It also avoids the problems of complex pipelines and control caused by the simultaneous arrangement of railway signal lights and road signal lights in traditional level crossings, as well as the possible situation that the two signal lights display asynchronism, inconsistency or even contradiction, which may lead to traffic accidents. At the same time, it reduces the number of signal settings, improves the use efficiency of signal lights, and reduces construction and operation costs.

[0021] (3) The level crossing priority control system of the present invention optimizes and reduces the layout of the building facilities such as the level crossing house, reduces the construction content, professional interfaces and investment of the level crossing, reduces the staffing configuration, and reduces the later operation and maintenance costs of the level crossing.

[0022] (4) The level crossing priority control system of the present invention realizes the overall and intensive control of the level crossing equipment and facilities, thereby improving the working efficiency of each equipment at the level crossing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 is a simplified structural diagram of a level crossing priority control system according to an embodiment of the present invention;

[0025] Figure 2is a simplified structural diagram of a level crossing priority control system according to an embodiment of the present invention;

[0026] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. speed limit sign; 2. first sensing unit; 3. information transmission line; 4. signal light; 5. timer; 6. sound and light alarm; 7. emergency button; 8. second sensing unit; 9. level crossing; 10. barrier machine; 11. integrated control box. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0028] In the description of the present invention, it should be understood that, unless otherwise expressly specified and limited, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0029] In addition, unless otherwise expressly specified and limited, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0032] Example:

[0033] See also Figure 1-2 The level crossing priority control system in the preferred embodiment of the present invention is arranged at the level crossing 9 of the track and the road, and includes a sensing device, an integrated control box 11 and a road warning device. Among them, the sensing device is electrically connected to the integrated control box 11 through the information transmission line 3, and the integrated control box 11 is connected to the road warning device, so that the information of the train about to arrive at and leave the level crossing 9 is transmitted to the integrated control box 11 through the sensing device, and the warning work of the road warning device is controlled by the integrated control box 11, so as to ensure that the train has the priority right of passage when arriving at the level crossing 9, and to ensure the smoothness of the road and the safety of the train when passing through the crossing to the greatest extent.

[0034] Specifically, Figure 1 As shown in , the sensing device in the preferred embodiment includes a first sensing unit 2 and a second sensing unit 8 which are sequentially arranged along the longitudinal direction of the track, and the first sensing unit 2 and the second sensing unit 8 are respectively arranged on both sides of the level crossing 9, and the train enters the level crossing 9 from the first sensing unit 2 and leaves the level crossing 9 from the second sensing unit 8; wherein the first sensing unit 2 is connected when the train passes by, and transmits a signal that the train is about to arrive to the integrated control box when sensing the locomotive, and it is spaced apart from the level crossing, and the spacing distance is calculated and determined based on the braking acceleration of the train and the initial speed of passing through the level crossing 9, so as to provide a buffer time for the road warning device to respond to the warning signal in the road direction, and provide a buffer distance for the train braking in an emergency at the level crossing 9.

[0035] Preferably, a speed limit sign 1 is provided on the side of the first sensing unit 2 facing away from the level crossing 9, and the speed limit sign 1 is spaced from the first sensing unit 2. The spacing distance is determined based on the train speed, braking acceleration, etc. The speed limit on the speed limit sign 1 is determined based on the speed of the train and the distance between the speed limit sign 1 and the first sensing unit 2, so that the train can slow down in advance before reaching the first sensing unit 2, ensuring that the train does not exceed the speed limit when passing through the first sensing unit 2, so as to meet the braking requirements of the train in an emergency at the level crossing 9 and ensure safety.

[0036] Accordingly, the second sensing unit 8 is connected when a train passes by, and is used to sense the train and transmit a train departure signal to the integrated control box, and when the second sensing unit 8 is connected, the first sensing unit 2 is disconnected. . In actual settings, the second sensing unit 8 can be set to be spaced apart from the level crossing 9, and the spacing distance is not less than the length of the train. The second sensing unit 8 transmits a train departure signal to the integrated control box when sensing the locomotive, ensuring that when the locomotive passes the second sensing unit 8, the tail of the train has left the level crossing 9. Of course, the second sensing unit 8 can also be set along the corresponding end side of the level crossing 9, and transmit a train departure signal when sensing the tail of the train leaving.

[0037] Furthermore, the integrated control box 11 and the road warning device in the present invention are arranged on both sides of the level crossing along the road direction, wherein the integrated control box is connected to the first sensing unit 2 and the second sensing unit 8 through the information transmission line 3 at the same time to receive the train's arrival and departure signals.

[0038] Correspondingly, the road warning device is connected to the integrated control box, which is arranged at the level crossing 9 and is arranged corresponding to the road direction, so that after the integrated control box receives the signal that the train is about to arrive, the road warning device is controlled to warn that the road direction at the level crossing 9 is prohibited from passing, and after the integrated control box receives the signal that the train is leaving, the road warning device is controlled to cancel the warning on the road direction.

[0039] Specifically, Figure 2 As shown in the figure, the road warning device includes a timer 5, an audible and visual alarm 6, a signal light 4 and a barrier 10 which are arranged on both sides of the level crossing 9 along the road direction and facing the road direction, and are respectively connected to an integrated control box 11, so that after the integrated control box 11 receives a train arrival signal, the audible and visual alarm 6 is controlled to work to remind passers-by that the train is about to arrive, and the timer 5 is controlled to work at the same time, and after the countdown of the timer 5 ends, the signal light 4 is changed from green to red, and the barrier 10 is changed from an open state to a closed road state.

[0040] It is understandable that, in actual setting, the countdown time of the timer 5 is determined according to the train speed and the distance between the first sensing unit 2 and the level crossing 9, and it is ensured that the train has not reached the level crossing 9 when the countdown of the timer 5 ends.

[0041] Correspondingly, when the train passes through the second sensing unit 8, making the second sensing unit 8 connected and sending a train departure signal, and the first sensing unit 2 disconnected, the integrated control box 11 controls the sound and light alarm 6 to stop working, and the timer 5 starts to count down. After the countdown ends, the signal light 4 changes from red to green, and the barrier machine 10 returns to the open state.

[0042] Preferably, monitoring equipment and laser radar are also provided at the level crossing 9 and are respectively connected to the integrated control box 11, so that when the integrated control box 11 receives a train departure signal, it is possible to reconfirm whether the train has left through the monitoring equipment and laser radar.

[0043] Preferably, an emergency button 7 is also provided on the integrated control box 11, and the emergency button 7 is connected to the sensing device and the information transmission line 3, and is connected to the train wireless signal, so that when an emergency situation occurs at the level crossing 9, an emergency signal is transmitted to the train by pressing the emergency button 7. After receiving the emergency signal, the train takes emergency braking and stops entering the level crossing 9, thereby ensuring the safety of the level crossing 9.

[0044] When the train track is a single-line bidirectional operation, the sensing units in the sensing device need to exchange functional roles according to the direction of the train. Therefore, the first sensing unit 2 and the second sensing unit 8 are set to be spaced apart from the level crossing 9. The spacing distance is calculated based on the braking acceleration of the train and the initial speed when passing through the first sensing unit, and the spacing distance is not less than the length of the train. Figure 1 As shown in , it can be understood that when the train passes the level crossing 9 from left to right, the first sensing unit 2 is on the left and the second sensing unit 8 is on the right; and when the train passes the level crossing 9 from right to left, the first sensing unit 2 is on the right and the second sensing unit 8 is on the left.

[0045] When the train track is double-track bidirectional operation, a sensing device can be set up for each line. The two sensing devices are connected to the integrated control box at the same time to comprehensively control the road warning device through the integrated control box to warn the 9 road directions at the level crossing.

[0046] Furthermore, the working process of the level crossing of the present invention is preferably through the control system:

[0047] When the train is about to reach the level crossing 9, it slows down according to the speed limit sign 1; when the train reaches the first sensing unit 2, the first sensing unit 2 is connected, the first sensor 201 senses the arrival of the train, and transmits the message of the arrival of the train to the integrated control box 11 through the information transmission line 3; the integrated control box 11 controls the timer 5 to start the countdown function of the train arrival, and controls the sound and light alarm 6 to start the sound and light alarm, prompting that the train is about to arrive; the integrated control box 11 timely adjusts the signal light 4 to change the display from green to red according to the countdown of the timer 5; the integrated control box 11 comprehensively analyzes the monitoring equipment and the laser According to the radar scanning result, the barrier machine 10 is controlled to start working and is adjusted from an open state to a closed road state; the train passes through the level crossing 9; the train arrives at the second sensing unit 8, and the second sensing unit 8 is connected. At the same time, the first sensing unit 2 is disconnected, and the second sensor 801 senses the departure of the train and transmits the information of the departure of the train to the integrated control box 11 through the information transmission line 3; the integrated control box 11 commands the barrier machine 10 to open, the sound and light alarm 6 and the timer 5 to stop working, and the signal light 4 is changed from red to green, thereby realizing the right of the train to pass through the level crossing 9 without stopping when there is no emergency.

[0048] Accordingly, when there is an emergency at the intersection, after a passerby presses the emergency button 7 on the integrated control box 11, the train driver's cab will receive an emergency braking message, and the train driver will immediately take emergency braking to stop traveling and prevent accidents.

[0049] In addition, when the track is in a non-operating state, the first sensing unit 2 and the second sensing unit 8 are in a normally disconnected state, and the road direction at the level crossing 9 is in a normally open state.

[0050] The level crossing priority control system in the present invention realizes the overall and intensive control of the level crossing equipment and facilities, improves the working efficiency of various equipment at the level crossing, optimizes and reduces the layout of building facilities such as the level crossing house, reduces the content, professional interfaces and investment of the level crossing construction project, reduces the staffing configuration, and reduces the later operation and maintenance costs of the level crossing.

[0051] It will be easily understood by those skilled in the art that 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 and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A level crossing priority control system for level crossings between tracks and roads, characterized in that: Includes integrated control box, sensing device and road warning device; The sensing device comprises a first sensing unit and a second sensing unit arranged in sequence along the longitudinal direction of the track, wherein the first sensing unit and the second sensing unit are arranged on both sides of the level crossing; the first sensing unit is used to sense the locomotive and transmit a signal that the train is about to arrive, and the first sensing unit is spaced apart from the level crossing, and the spacing distance is calculated based on the braking acceleration of the train and the initial speed when passing through the first sensing unit; the second sensing unit is used to sense and transmit a signal that the train is leaving; The integrated control box is connected to the first sensing unit and the second sensing unit, and is used to receive train arrival and departure signals; The road warning device is connected to the integrated control box, which is arranged at the level crossing and corresponding to the road direction. After receiving the signal that a train is about to arrive, the integrated control box controls the road warning device to warn that the road direction at the level crossing is prohibited from passing, and after receiving the signal that the train is leaving, controls the road warning device to cancel the warning.

2. The level crossing priority control system according to claim 1, characterized in that: The road warning device includes a timer, an audible and visual alarm, a signal light and a wood barrier which are arranged on both sides of the level crossing along the road direction and are arranged toward the road direction, and are respectively connected to the integrated control box; after the integrated control box receives the train arrival signal, it controls the operation of the timer and the audible and visual alarm; after the countdown of the timer ends, the signal light changes from green to red, and the wood barrier changes from an open state to a closed road state; after the first sensing unit is disconnected, the audible and visual alarm stops working, the timer starts counting down, the signal light changes from red to green, and the wood barrier returns to an open state.

3. The level crossing priority control system according to claim 1, characterized in that: The second sensing unit is spaced apart from the level crossing, and the spacing distance is not less than the length of the train. The second sensing unit transmits a train departure signal when sensing a locomotive.

4. The level crossing priority control system according to claim 1, characterized in that: The second sensing unit is arranged along the end side of the level crossing, and transmits a train departure signal when sensing that the rear end of a train has left.

5. The level crossing priority control system according to claim 4, characterized in that: A speed limit sign is arranged on a side of the first sensing unit facing away from the level crossing.

6. The level crossing priority control system according to claim 5, characterized in that: The speed limit sign is spaced apart from the first sensing unit, and the spacing distance is determined by calculation based on the speed and braking acceleration of the train.

7. The level crossing priority control system according to claim 1, characterized in that: The integrated control box is arranged on both sides of the level crossing along the road direction. An emergency button is provided on the integrated control box. The emergency button is connected to the sensing device and the information transmission line. The emergency button is connected to the train wireless signal. After the emergency button is pressed, the train receives the emergency signal and takes emergency braking.

8. The level crossing priority control system according to any one of claims 1 to 7, characterized in that: When the train track is a single-line bidirectional operating direction, the first sensing unit and the second sensing unit are both spaced apart from the level crossing, and the spacing distance is not less than the length of the train.

9. The level crossing priority control system according to any one of claims 1 to 7, characterized in that: When the train track is double-track bidirectional operation, one sensing device is respectively provided for each track, and the two sensing devices are connected to the integrated control box at the same time.

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