CN218463663U - Road and railway level crossing signal interlocking device - Google Patents
Road and railway level crossing signal interlocking device Download PDFInfo
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- CN218463663U CN218463663U CN202222750238.9U CN202222750238U CN218463663U CN 218463663 U CN218463663 U CN 218463663U CN 202222750238 U CN202222750238 U CN 202222750238U CN 218463663 U CN218463663 U CN 218463663U
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model relates to a railway transportation field, a highway railway crossing signal interlock, railway come to install first ground sensor under the track of locating 30-50 meters apart from the crossroad, railway go to install second ground sensor under the track of locating 30-50 meters apart from the crossroad, a point on the power circuit of green light draws forth two green light branch roads for the green light basic point, green light basic point and green light are connected to first green light branch road, the power circuit of green light basic point and red light is connected to the green light branch road of second, first green light branch road is established ties and is had first normally closed relay switch, it has first normally open relay switch to establish ties at the green light branch road of second, yellow light circuit is the same. The utility model discloses inestimable incident that the train produced when having effectively avoided passing through the road junction.
Description
Technical Field
The utility model relates to a railway transportation field, in particular to highway and railway level crossing signal interlock.
Background
Some railway unmanned crossings are at the road crossings, when trains pass through the unmanned crossings, the unmanned crossing alarm circuit gives alarm prompts, but the unmanned crossings and the road traffic signal lamps are in independent states respectively, the road traffic signal lamps are possibly in a green light state allowing pedestrians and automobiles to pass through, pedestrians and automobiles are likely to concentrate on the road traffic signal lamps at the moment and ignore the alarm prompts given by the railway unmanned crossings, and pedestrians and vehicles passing through the crossings are not timely avoided to generate inestimable safety accidents.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: how to provide a signal interlocking device for a highway and railway level crossing to realize the interlocking control of the warning of the unmanned railway crossing and the traffic signal lamp of the highway.
The utility model adopts the technical proposal that: a signal interlocking device for a highway-railway level crossing comprises a transverse highway (1) and a longitudinal highway (2) which are crossed at an intersection (7), a railway (4) passes through the intersection (7), a bus light signal system (3) is arranged at the intersection (7), in the bus light signal system (3), a highway crossing signal control chip controls the on/off of a power circuit (39) of a green light (31), a yellow light (32) and a red light (33) through a control circuit (38) to enable the green light (31), the yellow light (32) and the red light (33) to be switched on/off according to a set rule, a first ground sensor (6) is arranged under a track of the railway (4) which is 30-50 meters away from the intersection (7), a second ground sensor (5) is arranged below a track 30-50 meters away from a crossroad (7) in the going direction of a railway (4), two green light branches are led out for a green light base point at one point on a power circuit of a green light (31), the first green light branch is connected with the green light base point and the green light (31), the second green light branch is connected with the green light base point and a power circuit of a red light (33), a first normally closed relay switch (34) is connected in series with the first green light branch, a first normally open relay switch (36) is connected in series with the second green light branch, two yellow light branches are led out for a yellow light base point at one point on the power circuit of a yellow light (32), the first yellow lamp branch is connected with a yellow lamp base point and a yellow lamp (32), the second yellow lamp branch is connected with a power circuit of the yellow lamp base point and a red lamp (33), the first yellow lamp branch is connected with a second normally closed relay switch (35) in series, the second yellow lamp branch is connected with a second normally open relay switch (37) in series, and a power supply, a time relay normally closed switch (9), a third normally open relay switch (8), a first normally closed relay switch control coil (341), a second normally closed relay switch control coil (351), a first normally open relay switch control coil (361) and a second normally open relay switch control coil (371) which are connected in sequence form a closed circuit, the one end of third normally open relay switch (8) and the one end of first normally closed relay switch control coil (341) are connected to the one end of first ground sensor control circuit (11), the one end of first power and second normally open relay switch control coil (371) are connected to the other end of first ground sensor control circuit (11), the one end that is connected to third normally open relay switch (8) and is connected with time relay normally closed switch (9) behind one end series time relay normally closed switch control coil (91) of second ground sensor control circuit (10), the one end that the other end of second ground sensor control circuit (10) is connected to first power and second normally open relay switch control coil (371), third normally open relay switch (8) and first normally closed relay switch (34), one switch of the second normally closed relay switch (35), the first normally open relay switch (36) and the second normally open relay switch (37) shares one control coil.
As a preferred mode: the first ground sensor control circuit (11) comprises a second power supply and a first ground sensor control switch (61), one end of the second power supply is connected with one end of the first ground sensor control switch (61), the other end of the second power supply is connected with one end of a third normally-open relay switch (8) connected with a first normally-closed relay switch control coil (341), and the other end of the first ground sensor control switch (61) is connected with one end of the first power supply and one end of a second normally-open relay switch control coil (371); the second ground sensor control circuit (10) comprises a third power supply and a second ground sensor control switch (51), one end of the third power supply is connected with one end of the second ground sensor control switch (51), the other end of the third power supply is connected with one end, connected with the time relay normally closed switch control coil (91), of a third normally open relay switch (8) in series, and one end of the second ground sensor control switch (51) is connected with one end, connected with the first power supply, of a second normally open relay switch control coil (371).
As a preferred mode: the first ground sensor (6) and the second ground sensor (5) are both magnetoelectric sensors (magnetic steel Hall sensors, magnetic steel sensors for short).
As a preferred mode: the first normally closed relay switch (34) and the second normally closed relay switch (35) are a double-end normally closed relay switch (310), the first normally open relay switch (36) and the second normally open relay switch (37) are a double-end normally open relay switch (311), the sequentially connected power supply, the time relay normally closed switch (9), the third normally open relay switch (8), the double-end normally closed relay switch control coil (12) and the double-end normally open relay switch control coil (13) form a closed circuit, one end of the first ground sensor control circuit (11) is connected with one end of the third normally open relay switch (8) connected with the double-end normally closed relay switch control coil (12), the other end of the first ground sensor control circuit (11) is connected with one end of the first power supply and the double-end normally open relay switch control coil (13), one end of the second ground sensor control circuit (10) is connected with one end of the third normally open relay switch (8) connected with the normally closed relay switch (9) after being connected with the time relay switch control coil (91), and the other end of the second ground sensor control circuit (10) is connected with one end of the first power supply and one end of the double-end normally closed relay switch (13), and the third normally-open relay switch (8), one of the double-end normally-closed relay switch (310) and the double-end normally-open relay switch (311) share one control coil.
The utility model has the advantages that: when the train presses the first ground sensor of crossing warning on the pressure, give alarm signal (prior art) through unmanned crossing warning host circuit, first ground sensor triggers that the third normally opens the relay switch closure, first power output direct current 12V power, first normally closed relay switch control coil, second normally closed relay switch control coil, first normally open relay switch control coil, the electricity of second normally open relay switch control coil, first normally closed relay switch and second normally closed relay switch are opened, first normally open relay switch and second normally open relay switch closure, thereby make public transit signal indicator's green party and amber lamp be in the state of extinguishing and the red light is in the bright state. After the train passes through the crossroad, when pressing on second ground sensor, second ground sensor triggers, after the last carriage of train passes second ground sensor, second ground sensor triggers the normally open relay switch of third and resumes normally opening, first normally closed relay switch control coil, second normally closed relay switch control coil, first normally open relay switch control coil, second normally open relay switch control coil loses the electricity, first normally closed relay switch, second normally closed relay switch, first normally open relay switch, second normally open relay switch resumes initial state, thereby make public transit signal indicator open/close according to setting for the law. The utility model discloses inestimable incident who makes when effectively having avoided the train to pass through the road junction is showing and must having improved vehicle pedestrian's through rate, reduces the road junction time of blocking up.
Drawings
Fig. 1 is a schematic view of the road conditions at the level crossing of the utility model;
FIG. 2 is a wiring diagram of the highway signal lamp of the present invention;
FIG. 3 is a schematic diagram of the overall circuit of the present invention;
fig. 4 is a schematic diagram of a first ground sensor control circuit of the present invention;
FIG. 5 is a diagram of the highway signal lamp wiring when the utility model adopts the double-head switch;
FIG. 6 is a schematic diagram of the overall circuit of the present invention when a double-ended switch is used;
FIG. 7 is a schematic diagram of a second ground sensor control circuit according to the present invention;
wherein, 1, horizontal highway, 2, vertical highway, 3, bus light signal system, 4, railway, 5, second ground sensor, 6, first ground sensor, 7, the crossroad, 8, the third normally opens the relay switch, 9, time relay normally closed switch, 10, second ground sensor control circuit, 11, first ground sensor control circuit, 12, double-end normally closed relay switch control coil, 13, double-end normally open relay switch control coil, 31, green light, 32, the amber light, 33 red light, 34, first normally closed relay switch, 35, second normally closed relay switch, 36, first normally open relay switch, 37, second normally open relay switch, 38, control circuit, 39, power supply circuit, 51, second ground sensor control switch, 61, first ground sensor control switch, 91, time normally closed relay control coil, 310, double-end relay switch, 311, double-end relay switch, normally closed relay normally open control coil, normally open relay switch control coil 351, second ground sensor control coil, 361, first ground sensor control coil, normally closed relay control coil, second relay switch control coil.
Detailed Description
As shown in fig. 1-7, in the signal interlocking device for the level crossing of the highway and railway, a transverse highway 1 and a longitudinal highway 2 are crossed at an intersection 7, a railway 4 passes through the intersection 7, a bus light signal system 3 is arranged at the intersection 7, and in the bus light signal system 3 (in the prior art), a highway crossing signal control chip (in the prior art) controls the on/off of a power supply circuit 39 of a green light 31, a yellow light 32 and a red light 33 through a control circuit 38 (wired or wireless), so that the green light 31, the yellow light 32 and the red light 33 are switched on/off according to a set rule.
A first ground sensor 6 is arranged below a track of a railway 4 at a position 50 meters away from an intersection, a second ground sensor 5 is arranged below the track of the railway 4 at a position 50 meters away from the intersection, and the first ground sensor 6 and the second ground sensor 5 are magneto-electric sensor magnetic steel Hall sensors, which are magnetic steel sensors for short. The two-way lines of the railway 4 need to be installed independently of each other, and one of the lines is illustrated in this patent.
One point on the power circuit of green lamp 31 draws forth two green lamp branch roads for green lamp base point, green lamp base point and green lamp 31 are connected to first green lamp branch road, the green lamp base point and the power circuit of red lamp 33 are connected to the green lamp branch road of second, first green lamp branch road establishes ties has first normally closed relay switch 34, it has first normally open relay switch 36 to establish ties at the green lamp branch road of second, a point on the power circuit of yellow lamp 32 draws forth two yellow lamp branch roads for the yellow lamp base point, yellow lamp base point and yellow lamp 32 are connected to first yellow lamp branch road, the power circuit of yellow lamp base point and red lamp 33 is connected to the second yellow lamp branch road, first yellow lamp branch road establishes ties has second normally closed relay switch 35, it has second normally open relay switch 37 to establish ties at the second yellow lamp branch road. In the initial state, the first normally closed relay switch 34, the second normally closed relay switch 35, the first normally open relay switch 36, and the second normally open relay switch 37 do not affect the normal setting rule (road system).
The power that the order is connected, time relay normally closed switch 9, third normally open relay switch 8, first normally closed relay switch control coil 341, second normally closed relay switch control coil 351, first normally open relay switch control coil 361, second normally open relay switch control coil 371 constitutes a closed circuit, the one end that third normally open relay switch 8 and first normally closed relay switch control coil 341 are connected to the one end of first ground sensor control circuit 11, the one end that first power and second normally open relay switch control coil 371 are connected to the other end of first ground sensor control circuit 11, the one end that third normally open relay switch 8 and time relay normally closed switch 9 are connected to behind the one end series connection time relay normally closed switch control coil 91 of second ground sensor control circuit 10, the other end of second ground sensor control circuit 10 is connected to the one end of first power and second normally open relay switch control coil, third normally open relay switch 8 and first relay switch 34, second normally closed relay switch 35, first normally open relay switch 36, the one switch in the second normally open relay switch 37 shares a control coil.
When the first ground sensor control circuit 11 and the second ground sensor control circuit 10 do not have output power, the whole circuit is in a non-conducting state, and the highway crossing signal control chip controls the green, yellow and red lamps to operate according to a normal rule. When a train arrives, the first ground sensor triggers, the first ground sensor control switch 61 is controlled to be closed by signals, thereby a second power supply supplies power to the first normally closed relay switch control coil 341, the second normally closed relay switch control coil 351, the first normally open relay switch control coil 361, four coils of the second normally open relay switch control coil 371, thereby a third normally open relay switch 8 is closed, the first power supply supplies power to the first normally closed relay switch control coil 341, the second normally closed relay switch control coil 351, the first normally open relay switch control coil 361, four coils of the second normally open relay switch control coil 371, thereby the first normally closed relay switch 34 is opened, the second normally closed relay switch 35 is opened, the first normally open relay switch 36 is closed, the second normally open relay switch 37 is closed, the highway crossing signal control chip cannot control green, yellow and red lamps to operate according to normal rules, and at the moment, the red lamps are normally on. After the train leaves the track where the first ground sensor is located, because the third normally-open relay switch 8 is closed, although the second power supply is not supplying power, the first power supply still can supply power, and the red light is always on. When the train passes through the crossroad, the first carriage presses the track where the second ground sensor is positioned, the circuit keeps the same state all the time, and the red light is normally on.
When the first carriage presses the track at second ground sensor place, second ground sensor triggers, and second ground sensor control switch 51 is closed, and the circuit power supply is given to the third power, and simultaneously under time relay normally closed switch control coil 91 effect, time relay normally closed switch 9 is opened, and first power no longer supplies power, and the red light is normally bright this moment.
When the last carriage leaves the track where the second ground sensor is located, the third power supply does not supply power any more, and simultaneously because the time relay normally closed switch 9 does not lose power for a time delay, so the first power supply also can not supply power for the circuit, and at this moment, the third normally open relay switch 8 restores the initial state, and the whole circuit restores the initial state. The road crossing signal control chip controls the green, yellow and red lamps to operate according to a normal rule.
The first ground sensor control circuit 11 comprises a second power supply and a first ground sensor control switch 61, one end of the second power supply is connected with one end of the first ground sensor control switch 61, the other end of the second power supply is connected with one end of a third normally-open relay switch 8 connected with a first normally-closed relay switch control coil 341, and the other end of the first ground sensor control switch 61 is connected with one end of the first power supply and one end of a second normally-open relay switch control coil 371; the second ground sensor control circuit 10 includes a third power supply and a second ground sensor control switch 51, one end of the third power supply is connected with one end of the second ground sensor control switch 51, the other end of the third power supply is connected with one end of a third normally-open relay switch 8 connected with a time relay normally-closed switch 9 after being connected with the time relay normally-closed switch control coil 91 in series, and one end of the second ground sensor control switch 51 is connected with one end of a first power supply and one end of a second normally-open relay switch control coil 371.
First normally closed relay switch 34 and second normally closed relay switch 35 are a double-end normally closed relay switch 310, first normally open relay switch 36 and second normally open relay switch 37 are a double-end normally open relay switch 311, the power of order connection, time relay normally closed switch 9, third normally open relay switch 8, double-end normally closed relay switch control coil 12, double-end normally open relay switch control coil 13 constitutes a closed circuit, the one end of first ground sensor control circuit 11 is connected with the one end that third normally open relay switch 8 and double-end normally closed relay switch control coil 12 are connected, the one end of first power and double-end normally open relay switch control coil 13 of first ground sensor control circuit 11 is connected to the one end that third normally open relay switch 8 and double-end normally closed relay switch 9 are connected behind the one end series connection time relay switch control coil 91 of second ground sensor control circuit 10, the other end of second ground sensor control circuit 10 is connected to the one end of first power and double-end normally open relay switch control coil 13, third normally open relay switch 8 and double-end normally open relay switch 311 are normally open relay switch.
When a train presses a first ground sensor for crossing alarm, alarm signals are given through an unmanned crossing alarm host circuit, the first ground sensor triggers a third normally open relay switch to be closed, a first power supply outputs a direct current 12V power supply, a first normally closed relay switch control coil, a second normally closed relay switch control coil, a first normally open relay switch control coil, the electricity of the second normally open relay switch control coil, the first normally closed relay switch and the second normally closed relay switch are opened, the first normally open relay switch and the second normally open relay switch are closed, and therefore a green party and a yellow light of a bus signal indicator lamp are in an extinguished state, and a red light is in a bright state. After the train passes through the crossroad, when pressing on second ground sensor, second ground sensor triggers, after the last carriage of train passes second ground sensor, second ground sensor triggers the normally open relay switch of third and resumes normally opening, first normally closed relay switch control coil, second normally closed relay switch control coil, first normally open relay switch control coil, second normally open relay switch control coil loses the electricity, first normally closed relay switch, second normally closed relay switch, first normally open relay switch, second normally open relay switch resumes initial state, thereby make public transit signal indicator open/close according to setting for the law. The utility model discloses inestimable incident who makes when effectively having avoided the train to pass through the road junction is showing and must having improved vehicle pedestrian's through rate, reduces the road junction time of blocking up.
Claims (4)
1. The utility model provides a highway railway grade crossing signal interlock, horizontal highway (1) and vertical highway (2) are crossing at crossroad (7), and railway (4) pass through crossroad (7), have bus light signal system (3) at crossroad (7), in bus light signal system (3), highway grade crossing signal control chip controls the opening/shutting of power supply circuit (39) of green light (31), amber light (32), red light (33) through control scheme (38), makes green light (31), amber light (32), red light (33) open/close according to setting for the law, its characterized in that: a first ground sensor (6) is arranged below a track of a railway (4) which is 30-50 meters away from an intersection (7), a second ground sensor (5) is arranged below the track of the railway (4) which is 30-50 meters away from the intersection (7), two green lamp branches are led out from a power circuit of a green lamp (31) for a green lamp base point at one point, the first green lamp branch is connected with the green lamp base point and the green lamp (31), the second green lamp branch is connected with the power circuit of the green lamp base point and a red lamp (33), a first normally closed relay switch (34) is connected in series with the first green lamp branch, a first normally open relay switch (36) is connected in series with the second green lamp branch, two yellow lamp branches are led out from the base point for the yellow lamp at one point on the power circuit of the yellow lamp (32), the first yellow lamp branch is connected with a yellow lamp base point and a yellow lamp (32), the second yellow lamp branch is connected with a power circuit of the yellow lamp base point and a red lamp (33), the first yellow lamp branch is connected with a second normally closed relay switch (35) in series, the second yellow lamp branch is connected with a second normally open relay switch (37) in series, and a power supply, a time relay normally closed switch (9), a third normally open relay switch (8), a first normally closed relay switch control coil (341), a second normally closed relay switch control coil (351), a first normally open relay switch control coil (361) and a second normally open relay switch control coil (371) which are connected in sequence form a closed circuit, one end of a first ground sensor control circuit (11) is connected with one end of a third normally-open relay switch (8) connected with a first normally-closed relay switch control coil (341), one end of a first power supply and one end of a second normally-open relay switch control coil (371) are connected with the other end of the first ground sensor control circuit (11), one end of the second ground sensor control circuit (10) is connected with one end of the third normally-open relay switch (8) connected with a time relay normally-closed switch (9) after being connected with a time relay normally-closed switch control coil (91) in series, the other end of the second ground sensor control circuit (10) is connected with one end of the first power supply and one end of the second normally-open relay switch control coil (371), the third normally-open relay switch (8) and a first normally-closed relay switch (34), a second normally-closed relay switch (35), the first normally-open relay switch (36), and one switch in the second normally-open relay switch (37) shares one control coil.
2. The highway-railway crossing signal interlocking device according to claim 1, wherein: the first ground sensor control circuit (11) comprises a second power supply and a first ground sensor control switch (61), one end of the second power supply is connected with one end of the first ground sensor control switch (61), the other end of the second power supply is connected with one end of a third normally-open relay switch (8) connected with a first normally-closed relay switch control coil (341), and the other end of the first ground sensor control switch (61) is connected with one end of the first power supply and one end of a second normally-open relay switch control coil (371); the second ground sensor control circuit (10) comprises a third power supply and a second ground sensor control switch (51), one end of the third power supply is connected with one end of the second ground sensor control switch (51), the other end of the third power supply is connected with one end of a third normally-opened relay switch (8) connected with a time relay normally-closed switch (9) after being connected with the time relay normally-closed switch control coil (91) in series, and one end of the second ground sensor control switch (51) is connected with one end of a first power supply and one end of a second normally-opened relay switch control coil (371).
3. The highway-railway crossing signal interlocking device according to claim 1, wherein: the first ground sensor (6) and the second ground sensor (5) are both magnetoelectric sensors.
4. The road-rail level crossing signal interlocking device according to claim 1, characterized in that: the first normally closed relay switch (34) and the second normally closed relay switch (35) are a double-end normally closed relay switch (310), the first normally open relay switch (36) and the second normally open relay switch (37) are a double-end normally open relay switch (311), the sequentially connected power supply, the time relay normally closed switch (9), the third normally open relay switch (8), the double-end normally closed relay switch control coil (12) and the double-end normally open relay switch control coil (13) form a closed circuit, one end of the first ground sensor control circuit (11) is connected with one end of the third normally open relay switch (8) connected with the double-end normally closed relay switch control coil (12), the other end of the first ground sensor control circuit (11) is connected with one end of the first power supply and the double-end normally open relay switch control coil (13), one end of the second ground sensor control circuit (10) is connected with one end of the third normally open relay switch (8) connected with the normally closed relay switch (9) after being connected with the time relay switch control coil (91), and the other end of the second ground sensor control circuit (10) is connected with one end of the first power supply and one end of the double-end normally closed relay switch (13), and the third normally-open relay switch (8), one of the double-end normally-closed relay switch (310) and the double-end normally-open relay switch (311) share one control coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222750238.9U CN218463663U (en) | 2022-10-19 | 2022-10-19 | Road and railway level crossing signal interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222750238.9U CN218463663U (en) | 2022-10-19 | 2022-10-19 | Road and railway level crossing signal interlocking device |
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| Publication Number | Publication Date |
|---|---|
| CN218463663U true CN218463663U (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222750238.9U Active CN218463663U (en) | 2022-10-19 | 2022-10-19 | Road and railway level crossing signal interlocking device |
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| Country | Link |
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| CN (1) | CN218463663U (en) |
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- 2022-10-19 CN CN202222750238.9U patent/CN218463663U/en active Active
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