Subway emergency stop button system

Abstract

The utility model discloses a subway emergency stop button system, comprising an emergency stop relay circuit, a reset relay circuit and a reset function alarm lamp circuit, the emergency stop relay circuit and the reset function alarm lamp circuit are respectively connected in series with a contact of the reset relay circuit; the emergency stop relay circuit comprises an emergency stop relay reset circuit and an emergency stop relay excitation circuit; the subway emergency stop button system has the advantages that when the emergency stop button breaks down, the emergency stop function can be recovered temporarily, the problem of failure of the reset function is eradicated, maintenance personnel can find the failure of the reset button at the first time, and safety and reliability of the emergency stop button system are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit signals, in particular to a subway emergency stop button system. Background Art

[0002] The emergency stop function means that when an emergency occurs, the station staff can quickly press the emergency stop button to achieve protection measures, and press the reset button to eliminate it.

[0003] The main signal systems currently used in the industry nationwide include Thales, Siemens, CASCO, and Jiaokong.

[0004] The excitation circuit and reset circuit of the emergency stop button of the Thales signaling system are used in series. If a circuit failure occurs due to the platform emergency stop button, the station staff cannot eliminate the emergency stop fault by operating the reset button, and the emergency stop fault cannot be temporarily restored. Professional personnel are required to rush to the scene for emergency repairs, which affects operational efficiency.

[0005] The excitation circuit and reset circuit of the emergency stop button of Siemens, CASCO and traffic control signals are used in parallel. If a circuit failure occurs due to the platform emergency stop button, the station staff can press and hold the reset button to temporarily eliminate the fault; however, the emergency stop reset circuit has the problem that if the reset button fails, no alarm display will be given, which may cause the reset button function to fail in an emergency. Utility Model Content

[0006] In order to overcome the problems of the traditional emergency stop circuit failure that cannot be reset, the reset button function failure, and the inability to give an alarm display, the utility model provides a subway emergency stop button system.

[0007] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: comprising an emergency stop relay circuit, a reset relay circuit and a reset function alarm light circuit, the emergency stop relay circuit and the reset function alarm light circuit are respectively connected in series with the contacts of the reset relay circuit;

[0008] The emergency stop relay circuit includes an emergency stop relay reset circuit and an emergency stop relay excitation circuit;

[0009] The emergency stop relay reset circuit includes power supplies LZ, LF, a second set of contacts FWJ2 of the reset relay, and emergency stop relay 1, 2 coils JTJ1, 2, wherein the power supplies LZ, LF are connected to the emergency stop relay 1, 2 coils JTJ1, 2 via the second set of contacts FWJ2 of the reset relay;

[0010] The emergency stop relay excitation circuit includes power supplies LZ, LF, an upward emergency stop button JTA1 on the platform side, a downward emergency stop button JTA2 on the platform side, an upward emergency stop button JTA3 on the vehicle control room side, a downward emergency stop button JTA4 in the vehicle control room, a second group of contacts JTJ5 of the emergency stop relay, and coils 3, 4 of the emergency stop relay JTJ3, 4. The power supplies LZ and LF are connected to the coils 3, 4 of the emergency stop relay JTJ3, 4 in sequence through the upward emergency stop button JTA1 on the platform side, the downward emergency stop button JTA2 on the platform side, the upward emergency stop button JTA3 on the vehicle control room side, the downward emergency stop button JTA4 in the vehicle control room, and the second group of contacts JTJ5 of the emergency stop relay;

[0011] The reset relay circuit includes power supply LZ, LF, a reset button FTA1 on the vehicle control room side and reset relay 1, 4 coils FWJ1, 4, and the power supply LZ, LF is connected to the reset relay 1, 4 coils FWJ1, 4 through the reset button FTA1 on the vehicle control room side;

[0012] The reset function warning light circuit comprises power sources LZ, LF, a first set of contacts FWJ5 of a reset relay and a reset function warning light H. The power sources LZ, LF are connected to the reset function warning light H via the first set of contacts FWJ5 of the reset relay.

[0013] Preferably, the emergency stop relay reset circuit and the emergency stop relay excitation circuit are used separately through the emergency stop relay 1, 2 coils JTJ1, 2 and the emergency stop relay 3, 4 coils JTJ3, 4. In an emergency, the subway station staff presses the up emergency stop button JTA1 on the platform side or the down emergency stop button JTA2 on the platform side or the up emergency stop button JTA3 on the train control room side or the down emergency stop button JTA42S in the train control room, and the emergency stop relay 3, 4 coils JTJ3, 4 will lose power and fall down, realizing the emergency stop. Automatic stop. When the platform staff confirms that the danger has been eliminated, the subway station staff presses the reset button FTA12S on the control room side, and the reset relay 1, 4 coils FWJ1, 4 are energized and attracted, and the first group of contacts FWJ5 of the reset relay are closed, then the reset function alarm light H is energized and lights up, and the second group of contacts FWJ2 of the reset relay is closed, then the emergency stop relay 1, 2 coils JTJ1, 2 are energized and attracted, and the emergency stop function is restored, then the second group of contacts JTJ5 of the emergency stop relay is closed, and the emergency stop relay 3, 4 coils JTJ3, 4 are energized and attracted again.

[0014] Preferably, if the upward emergency stop button JTA1 on the platform side or the downward emergency stop button JTA2 on the platform side or the upward emergency stop button JTA3 on the train control room side or the downward emergency stop button JTA4 in the train control room fails, the emergency stop relay 3, 4 coils JTJ3, 4 will lose power and fall down, and the emergency stop function will fail. The subway station staff presses the reset button FTA12S on the train control room side, and the reset relay 1, 4 coils FWJ1, 4 are energized and attracted, and the first group of contacts FWJ5 of the reset relay is closed, then the reset function alarm light H is energized and lights up, and the second group of contacts FWJ2 of the reset relay is closed, then the emergency stop relay 1, 2 coils JTJ1, 2 are energized and attracted, the emergency stop function is restored, the fault is temporarily eliminated, and the handling efficiency is improved.

[0015] Preferably, in the reset relay circuit, if the reset button FTA1 on the vehicle control room side fails, the reset relay 1, 4 coils FWJ1, 4 will continue to be energized and attracted, and the first group of contacts FWJ5 of the contact reset relay will be closed, and the reset function alarm light H will be energized and light up, and the reset function alarm light H will be displayed in time, so that the maintenance personnel can find it at the first time and deal with it in time.

[0016] When the coil FWJ1,4 of the reset relay 1,4 is energized and attracted, the first set of contacts FWJ5 of the reset relay and the second set of contacts FWJ2 of the reset relay are both closed.

[0017] When the coils JTJ3,4 of the emergency stop relay 3,4 or the coils JTJ1,2 of the emergency stop relay 1,2 are energized and attracted, the second group of contacts JTJ5 of the emergency stop relay are closed.

[0018] The upward emergency stop button JTA1 on the platform side, the downward emergency stop button JTA2 on the platform side, the upward emergency stop button JTA3 on the train control room side, the downward emergency stop button JTA4 on the train control room side, and the reset button FTA1 on the train control room side are self-resetting buttons.

[0019] The utility model has the following beneficial effects:

[0020] The subway emergency stop button system is designed. In an emergency, such as when a person falls off the platform, or when a person or object is caught by a door or a screen door, which endangers the safety of passengers, the up emergency stop button JTA1 on the platform side, the down emergency stop button JTA2 on the platform side, the up emergency stop button JTA3 on the train control room side, or the down emergency stop button JTA42S on the train control room side can be pressed to achieve emergency braking and stop the train, thereby realizing the function of blocking the corresponding platform. When the platform personnel confirm that the danger has been eliminated, they press the reset button FTA12S on the train control room side to re-energize the emergency stop relay 3,4 coil JTJ3,4, and the emergency stop function is restored.

[0021] If the up emergency stop button JTA1 on the platform side, the down emergency stop button JTA2 on the platform side, the up emergency stop button JTA3 on the train control room side, or the down emergency stop button JTA4 in the train control room fails, the emergency stop relay 3, 4 coils JTJ3, 4 lose power and fall, and the emergency stop function fails. The subway station staff presses the reset button FTA12S on the train control room side to energize and lift the emergency stop relay 1, 2 coils JTJ1, 2, so as to temporarily restore the emergency stop function and buy time for fault handling.

[0022] If the reset button FTA1 on the vehicle control room side fails, the reset function alarm light H will light up, and the maintenance personnel will discover it at the first time, ensuring the safety and reliability of the emergency stop button system. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is the reset relay circuit;

[0024] Figure 2 It is the reset function alarm light circuit;

[0025] Figure 3 It is the emergency stop relay excitation circuit;

[0026] Figure 4 It is the emergency stop relay reset circuit;

[0027] Figure 5 It is the subway emergency stop button system. DETAILED DESCRIPTION

[0028] Attached Figure 1-5 The following structural names are included: power supply LZ, LF, reset button FTA1 on the train control room side, reset relay 1,4 coil FWJ1,4, power supply LZ, LF, reset relay first group of contacts FWJ5, reset function alarm light H, up emergency stop button JTA1 on the platform side, down emergency stop button JTA2 on the platform side, up emergency stop button JTA3 on the train control room side, down emergency stop button JTA4 in the train control room, second group of contacts of emergency stop relay JTJ5, emergency stop relay 3,4 coil JTJ3,4, second group of contacts of reset relay FWJ2, emergency stop relay 1,2 coil JTJ1,2.

[0029] like Figure 1 As shown,

[0030] 1. A new reset relay circuit is added. In the reset relay circuit, a reset button FTA1 on the vehicle control room side is connected in series. When the reset button FTA12S on the vehicle control room side is pressed, the reset relay 1, 4 coils FWJ1, 4 are energized and sucked up.

[0031] When the reset relay 1,4 coil FWJ1,4 is energized and attracted, the first set of contacts FWJ5 of the reset relay and the second set of contacts FWJ2 of the reset relay are both closed.

[0032] like Figure 2 As shown,

[0033] 2. Add a reset function alarm light circuit. The power supplies LZ and LF are connected to the reset function alarm light H through the first group of contacts FWJ5 of the reset relay. If the reset button FTA1 on the vehicle control room side fails due to non-human operation, the reset relay 1, 4 coils FWJ1, 4 are continuously energized and connected, and the first group of contacts FWJ5 of the reset relay is closed, then the reset function alarm light H is energized and lights up, giving an alarm light display.

[0034] like Figure 3 As shown,

[0035] 3. Emergency stop relay excitation circuit: power supply LZ, LF are connected to emergency stop relay 3, 4 coils JTJ3, 4 through the closed platform side up emergency stop button JTA1, platform side down emergency stop button JTA2, train control room side up emergency stop button JTA3, train control room down emergency stop button JTA4, and the emergency stop relay second group of contacts JTJ5 normally closed contacts, and the emergency stop relay 3, 4 coils JTJ3, 4 are energized and sucked up; press the platform side up emergency stop button JTA1 or the platform side down emergency stop button JTA2 or the train control room side up emergency stop button JTA3 or the train control room down emergency stop button JTA42S, and the emergency stop relay 3, 4 coils JTJ3, 4 lose power and fall down.

[0036] The upward emergency stop button JTA1 on the platform side, the downward emergency stop button JTA2 on the platform side, the upward emergency stop button JTA3 on the train control room side, the downward emergency stop button JTA4 in the train control room, and the reset button FTA1 on the train control room side are self-resetting buttons.

[0037] like Figure 4 As shown,

[0038] 4. Emergency stop relay reset circuit: power supply LZ, LF connects emergency stop relay 1, 2 coil JTJ1, 2 through the second set of contacts FWJ2 of the reset relay, press the reset button FTA12S on the vehicle control room side, reset relay 1, 4 coil FWJ1, 4 is energized and attracted, then the second set of contacts FWJ2 of the reset relay is closed, then emergency stop relay 1, 2 coil JTJ1, 2 is energized and attracted, then the second set of contacts JTJ5 of the emergency stop relay is closed, then emergency stop relay 3, 4 coil JTJ3, 4 is energized and attracted again.

[0039] When the emergency stop relay 3,4 coil JTJ3,4 or the emergency stop relay 1,2 coil JTJ1,2 is energized and attracted, the second group of contacts JTJ5 of the emergency stop relay are closed.

[0040] like Figure 5 As shown,

[0041] The emergency stop relay reset circuit finally formed is used separately from the emergency stop relay excitation circuit through the emergency stop relay 1,2 coil JTJ1,2 and the emergency stop relay 3,4 coil JTJ3,4. In an emergency, the subway station staff presses the up emergency stop button JTA1 on the platform side or the down emergency stop button JTA2 on the platform side or the up emergency stop button JTA3 on the train control room side or the down emergency stop button JTA42S in the train control room, and the emergency stop relay 3,4 coil JTJ3,4 will lose power and fall, realizing emergency braking. Stop the train. When the platform staff confirms that the danger has been eliminated, the subway station staff presses the reset button FTA12S on the control room side, and the reset relay 1, 4 coils FWJ1, 4 are energized and attracted, and the first group of contacts FWJ5 of the reset relay are closed, then the reset function alarm light H lights up, and the second group of contacts FWJ2 of the reset relay are closed, then the emergency stop relay 1, 2 coils JTJ1, 2 are energized and attracted, and the emergency stop function is restored, then the second group of contacts JTJ5 of the emergency stop relay are closed, and the emergency stop relay 3, 4 coils JTJ3, 4 are energized and attracted again.

[0042] During operation, if the upward emergency stop button JTA1 on the platform side or the downward emergency stop button JTA2 on the platform side or the upward emergency stop button JTA3 on the train control room side or the downward emergency stop button JTA4 in the train control room fails, the emergency stop relay 3, 4 coils JTJ3, 4 lose power and fall, and the emergency stop function fails. The subway station staff presses the reset button FTA12S on the train control room side, and the reset relay 1, 4 coils FWJ1, 4 are energized and attracted, and the second group of contacts FWJ2 of the reset relay is closed, then the emergency stop relay 1, 2 coils JTJ1, 2 are energized and attracted, the emergency stop function is restored, and the fault is temporarily eliminated, avoiding train delays caused by long fault handling time and improving handling efficiency.

[0043] If the reset button FTA1 on the vehicle control room side fails, the reset relay 1, 4 coils FWJ1, 4 will continue to be energized and attracted, and the first group of contacts FWJ5 of the contact reset relay will be closed, and the reset function alarm light H will be energized and light up. The reset function alarm light H will be displayed in time, and the maintenance personnel can discover and deal with it in time, ensuring the safety and reliability of the emergency stop button system.

Claims

1. Subway emergency stop button system, characterized by: It includes an emergency stop relay circuit, a reset relay circuit and a reset function warning light circuit, and the emergency stop relay circuit and the reset function warning light circuit are respectively connected in series to the contacts of the reset relay circuit; The emergency stop relay circuit includes an emergency stop relay reset circuit and an emergency stop relay excitation circuit; The emergency stop relay reset circuit includes power supplies LZ, LF, a second set of contacts FWJ2 of the reset relay, and emergency stop relay 1, 2 coils JTJ1, 2, wherein the power supplies LZ, LF are connected to the emergency stop relay 1, 2 coils JTJ1, 2 via the second set of contacts FWJ2 of the reset relay; The emergency stop relay excitation circuit includes power supplies LZ, LF, an upward emergency stop button JTA1 on the platform side, a downward emergency stop button JTA2 on the platform side, an upward emergency stop button JTA3 on the vehicle control room side, a downward emergency stop button JTA4 in the vehicle control room, a second group of contacts JTJ5 of the emergency stop relay, and coils 3, 4 of the emergency stop relay JTJ3, 4. The power supplies LZ and LF are connected to the coils 3, 4 of the emergency stop relay JTJ3, 4 in sequence through the upward emergency stop button JTA1 on the platform side, the downward emergency stop button JTA2 on the platform side, the upward emergency stop button JTA3 on the vehicle control room side, the downward emergency stop button JTA4 in the vehicle control room, and the second group of contacts JTJ5 of the emergency stop relay; The reset relay circuit includes power supply LZ, LF, a reset button FTA1 on the vehicle control room side and reset relay 1, 4 coils FWJ1, 4, and the power supply LZ, LF is connected to the reset relay 1, 4 coils FWJ1, 4 through the reset button FTA1 on the vehicle control room side; The reset function warning light circuit comprises power sources LZ, LF, a first set of contacts FWJ5 of a reset relay and a reset function warning light H. The power sources LZ, LF are connected to the reset function warning light H via the first set of contacts FWJ5 of the reset relay.

2. The subway emergency stop button system according to claim 1, characterized in that: The emergency stop relay reset circuit and the emergency stop relay excitation circuit are used separately through the emergency stop relay 1, 2 coils JTJ1, 2 and the emergency stop relay 3, 4 coils JTJ3, 4 respectively. When the upward emergency stop button JTA1 on the platform side or the downward emergency stop button JTA2 on the platform side or the upward emergency stop button JTA3 on the train control room side or the downward emergency stop button JTA42S in the train control room are pressed, the emergency stop relay 3, 4 coils JTJ3, 4 will lose power and fall down; when the reset button FTA12S on the train control room side is pressed, the reset relay 1, 4 coils FWJ1, 4 are energized and attracted, the first group of contacts FWJ5 of the reset relay is closed, then the reset function alarm light H is energized and lights up, the second group of contacts FWJ2 of the reset relay is closed, then the emergency stop relay 1, 2 coils JTJ1, 2 are energized and attracted, then the second group of contacts JTJ5 of the emergency stop relay is closed, then the emergency stop relay 3, 4 coils JTJ3, 4 are energized and attracted again.

3. The subway emergency stop button system according to claim 2, characterized in that: If the upward emergency stop button JTA1 on the platform side or the downward emergency stop button JTA2 on the platform side or the upward emergency stop button JTA3 on the train control room side or the downward emergency stop button JTA4 in the train control room fails, the emergency stop relay 3, 4 coils JTJ3, 4 will lose power and fall down, and the emergency stop function will fail. When the reset button FTA12S on the train control room side is pressed, the reset relay 1, 4 coils FWJ1, 4 will be energized and attracted, and the first group of contacts FWJ5 of the reset relay will be closed, then the reset function alarm light H will be energized and light up, and the second group of contacts FWJ2 of the reset relay will be closed, then the emergency stop relay 1, 2 coils JTJ1, 2 will be energized and attracted, and the emergency stop function will be restored.

4. The subway emergency stop button system according to claim 1, characterized in that: In the reset relay circuit, if the reset button FTA1 on the vehicle control room side fails, the reset relay 1,4 coils FWJ1,4 will continue to be energized and attracted, and the first group of contacts FWJ5 of the contact reset relay will be closed, and the reset function warning light H will be energized and light up.

5. The subway emergency stop button system according to claim 1, characterized in that: When the coil FWJ1,4 of the reset relay 1,4 is energized and attracted, the first set of contacts FWJ5 of the reset relay and the second set of contacts FWJ2 of the reset relay are both closed.

6. The subway emergency stop button system according to claim 1, characterized in that: When the coils JTJ3,4 of the emergency stop relay 3,4 or the coils JTJ1,2 of the emergency stop relay 1,2 are energized and attracted, the second group of contacts JTJ5 of the emergency stop relay are closed.

7. The subway emergency stop button system according to claim 1, characterized in that: The upward emergency stop button JTA1 on the platform side, the downward emergency stop button JTA2 on the platform side, the upward emergency stop button JTA3 on the train control room side, the downward emergency stop button JTA4 on the train control room side, and the reset button FTA1 on the train control room side are self-resetting buttons.

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