A subway platform end door alarm circuit and device

Abstract

This application relates to an alarm circuit and device for subway platform end doors, comprising: a first power supply, an end door switch detection module, a signal transmission module, a signal switch module, and an alarm module; the first power supply includes a first electrode and a second electrode; the end door switch detection module includes a signal transmitting end; the signal transmission module includes a signal input end and a signal output end; the signal switch module includes a signal driving end; the end door switch detection module is used to detect the open / closed state of the subway platform end door; the signal input end of the signal transmission module is communicatively connected to the signal transmitting end of the end door switch detection module, and the signal output end of the signal transmission module is communicatively connected to the signal driving end of the signal switch module; the signal switch module is electrically connected to the alarm module, and the signal driving end of the signal switch module is used to switch the open / closed state of the signal switch module.

Description

Technical Field

[0001] This application relates to the technical field of platform end door alarms, and in particular to a subway platform end door alarm circuit and device. Background Technology

[0002] During the station's construction phase, various professional systems were not yet fully developed, and the platform screen door system was temporarily unable to monitor the opening status of the end doors in real time. During operation, the integrated monitoring system can monitor the opening status of the platform screen door end doors, but there are no simultaneous warning prompts. If personnel from any unit open the end doors without authorization and enter the track area, safety accidents such as electric shock may occur. Summary of the Invention

[0003] Therefore, the purpose of this application is to provide an alarm circuit and device for subway platform end doors, which can overcome the shortcomings of the prior art.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0005] A subway platform end door alarm circuit and device includes: a first power supply, an end door switch detection module, a signal transmission module, a signal switch module, and an alarm module; the first power supply includes a first electrode and a second electrode; the end door switch detection module includes a signal transmitting end; the signal transmission module includes a signal input end and a signal output end; the signal switch module includes a signal driving end;

[0006] The end door switch detection module is used to detect the open / closed status of subway platform end doors;

[0007] The signal input terminal of the signal transmission module is communicatively connected to the signal transmitting terminal of the end gate switch detection module, and the signal output terminal of the signal transmission module is communicatively connected to the signal driving terminal of the signal switch module.

[0008] The signal switch module is electrically connected to the alarm module, and the signal drive terminal of the signal switch module is used to switch the on / off state of the signal switch module.

[0009] In one implementation, the end door switch detection module includes an end door closed to the limit switch and a first transmitter; the first connection terminal of the end door closed to the limit switch is connected to the first electrode of a first power supply through the first transmitter; the second connection terminal of the end door closed to the limit switch is connected to the second electrode of the first power supply.

[0010] The first transmitter is equipped with a signal transmitting end, and the signal transmitting end of the first transmitter is communicatively connected to the signal input end of the signal transmission module.

[0011] In one embodiment, the signal transmission module includes a first receiver switch and a second transmitter; the first receiver switch is provided with a signal driving terminal; the second transmitter includes a signal output terminal.

[0012] The signal drive terminal of the first receiver switch is communicatively connected to the signal output terminal of the limit switch that is closed to the limit position; the first receiver switch is electrically connected to the second transmitter; the signal drive terminal of the first receiver switch is used to switch the switching state of the first receiver switch;

[0013] The signal output terminal of the second transmitter is communicatively connected to the signal drive terminal of the signal switch module.

[0014] In one embodiment, the signal switch module includes a second receiver switch, and the second receiver switch includes a signal driving terminal;

[0015] The signal drive terminal of the second receiver switch is communicatively connected to the signal output terminal of the second transmitter; the second receiver switch is electrically connected to the alarm module; the signal drive terminal of the second receiver switch is used to switch the on / off state of the second receiver switch.

[0016] In one embodiment, a second power supply is also included, the second power supply including a third electrode and a fourth electrode; the second receiver switch also includes a first switch terminal and a second switch terminal;

[0017] The first switch terminal of the second receiver switch is connected to the third electrode of the second power supply, the second switch terminal of the second receiver switch is connected to the first module terminal of the alarm module, and the second module terminal of the alarm module is connected to the fourth electrode of the second power supply; the signal drive terminal of the second receiver switch is used to switch the conduction state of the first switch terminal and the second switch terminal of the signal switch module.

[0018] In one embodiment, the alarm module includes a buzzer, the first end of which is connected to the second switch terminal of the second receiver switch, and the second end of which is connected to the fourth electrode of the second power supply.

[0019] In one embodiment, the alarm module includes an alarm indicator light, the first end of which is connected to the second switch terminal of the second receiver switch, and the second end of which is connected to the fourth electrode of the second power supply.

[0020] The second embodiment of this application provides a subway platform end door alarm device, including the subway platform end door alarm circuit as described above; wherein, the alarm module is installed in the subway station control room.

[0021] In one implementation, the signal transmission module is located on the platform level.

[0022] In one implementation, the signal switch module and the alarm module are located on the station hall floor.

[0023] Compared with traditional technologies, the beneficial effects described in this application are:

[0024] The end door switch detection module of this application is used to detect the opening and closing status of subway platform end doors. Therefore, when the subway platform end door is in the open state, and when the end door is closed to the limit switch SQ1 is closed, the first transmitter ( Figure 2 The transmitter relay KM2-Relay in the signal transmission module 13 sends out the first electrical signal, and the first receiver switch ( Figure 3 KM2 in the middle is turned on, so that the second transmitter ( Figure 3 The transmitter relay KM3-Relay sends a second electrical signal to the second receiver switch of the signal switch module 15. Figure 3 KM3 in the signal switch module 15, the second receiver switch ( Figure 3 When KM3 in the middle enters the conduction state, the alarm module 17 is powered on and enters the alarm working state, so as to remind the subway platform end door that it is in the open state. It can remind users of the opening and closing status of the subway platform end door and prevent people from opening the subway platform end door and entering the track area without authorization.

[0025] To better understand and implement this application, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of a subway platform end door alarm circuit according to an embodiment of this application;

[0027] Figure 2 This is a circuit diagram of a subway platform end door alarm circuit according to an embodiment of this application;

[0028] Figure 3 This is a circuit diagram of the signal transmission module of a subway platform end door alarm circuit according to an embodiment of this application;

[0029] Figure 4 This is a schematic diagram of a subway platform end door alarm device according to an embodiment of this application.

[0030] 10. Subway platform end door alarm circuit; 11. End door switch detection module; 13. Signal transmission module; 15. Signal switch module; 17. Alarm module; 100. Subway platform end door alarm device. Detailed Implementation

[0031] To further illustrate the various embodiments, this application provides accompanying drawings. These drawings are part of the disclosure of this application and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementation methods and the advantages of this application.

[0032] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this application.

[0033] Please see Figures 1 to 3 This embodiment provides a subway platform end door alarm circuit 10, including: a first power supply, an end door switch detection module 11, a signal transmission module 13, a signal switch module 15, and an alarm module 17; the first power supply includes a first electrode and a second electrode; the end door switch detection module 11 includes a signal transmitting end; the signal transmission module 13 includes a signal input end and a signal output end; the signal switch module 15 includes a signal driving end;

[0034] The end door switch detection module 11 is used to detect the open / closed status of the subway platform end doors;

[0035] The signal input terminal of the signal transmission module 13 is communicatively connected to the signal transmitting terminal of the end gate switch detection module 11, and the signal output terminal of the signal transmission module 13 is communicatively connected to the signal driving terminal of the signal switch module 15.

[0036] The signal switch module 15 is electrically connected to the alarm module 17, and the signal drive terminal of the signal switch module 15 is used to switch the switching state of the signal switch module 15.

[0037] In one feasible embodiment, the end door switch detection module includes an end door closed to the limit switch and a first transmitter; the first connection terminal of the end door closed to the limit switch is connected to the first electrode of a first power supply through the first transmitter; the second connection terminal of the end door closed to the limit switch is connected to the second electrode of the first power supply.

[0038] The first transmitter is equipped with a signal transmitting end, and the signal transmitting end of the first transmitter is communicatively connected to the signal input end of the signal transmission module.

[0039] In one feasible embodiment, the signal transmission module includes a first receiver switch and a second transmitter; the first receiver switch is provided with a signal driving terminal; the second transmitter includes a signal output terminal;

[0040] The signal drive terminal of the first receiver switch is communicatively connected to the signal output terminal of the limit switch that is closed to the limit position; the first receiver switch is electrically connected to the second transmitter; the signal drive terminal of the first receiver switch is used to switch the switching state of the first receiver switch;

[0041] The signal output terminal of the second transmitter is communicatively connected to the signal drive terminal of the signal switch module.

[0042] In one feasible embodiment, the signal switch module includes a second receiver switch, the second receiver switch including a signal driving terminal;

[0043] The signal drive terminal of the second receiver switch is communicatively connected to the signal output terminal of the second transmitter; the second receiver switch is electrically connected to the alarm module; the signal drive terminal of the second receiver switch is used to switch the on / off state of the second receiver switch.

[0044] In one feasible embodiment, a second power supply is also included, the second power supply including a third electrode and a fourth electrode; the second receiver switch further includes a first switch terminal and a second switch terminal;

[0045] The first switch terminal of the second receiver switch is connected to the third electrode of the second power supply, the second switch terminal of the second receiver switch is connected to the first module terminal of the alarm module, and the second module terminal of the alarm module is connected to the fourth electrode of the second power supply. The signal drive terminal of the second receiver switch is used to switch the conduction state of the first and second switch terminals of the signal switch module. The second power supply is the power supply for the station control room on the concourse level.

[0046] In one feasible embodiment, the alarm module includes a buzzer, a first end of which is connected to a second switch terminal of the second receiver switch, and a second end of which is connected to a fourth electrode of the second power supply.

[0047] In one feasible embodiment, the alarm module includes an alarm indicator light, the first end of which is connected to the second switch terminal of the second receiver switch, and the second end of which is connected to the fourth electrode of the second power supply.

[0048] The end door switch detection module of this application is used to detect the opening and closing status of subway platform end doors. Therefore, when the subway platform end door is in the open state, and when the end door is closed to the limit switch SQ1 is closed, the first transmitter ( Figure 2 The transmitter relay KM2-Relay in the signal transmission module 13 sends out the first electrical signal, and the first receiver switch ( Figure 3 KM2 in the middle is turned on, so that the second transmitter ( Figure 3 The transmitter relay KM3-Relay sends a second electrical signal to the second receiver switch of the signal switch module 15. Figure 3 KM3 in the signal switch module 15, the second receiver switch ( Figure 3 When KM3 in the middle enters the conduction state, the alarm module 17 is powered on and enters the alarm working state, so as to remind the subway platform end door that it is in the open state. It can remind users of the opening and closing status of the subway platform end door and prevent people from opening the subway platform end door and entering the track area without authorization.

[0049] In one embodiment, the subway platform end door alarm circuit 10 of this application can use 4 sets of transmitters and 1 set of receivers to realize that the vehicle control room can simultaneously receive status information after the platform end door is opened by remotely acquiring switch signals.

[0050] Four transmitters are installed inside the top boxes of the four end doors of the platform. Operating voltage: DC24V; Ambient temperature: -40℃-70℃; Transmission frequency: 433MHz (420MHz-450MHz), selectable with a channel that does not interfere with the station's 400M communication frequency; Output mode: passive normally closed output / passive normally open output; Maximum transmission distance: 2000 meters, meeting the station's long-distance transmission requirements.

[0051] One receiver is installed in the station control room. Operating voltage: DC24V; Ambient temperature: -40℃-70℃; Receiving frequency: 433MHz (420MHz-450MHz), a channel that does not interfere with the station's 400M communication frequency can be selected; Maximum transmission distance: 2000 meters, meeting the station's long-distance transmission requirements.

[0052] Please see Figure 2-3Its working principle is as follows: When the end gate is opened, the limit switch of the end gate closed to its normal position is restored. The transmitter collects the normally closed contact of the limit switch of the end gate closed to its normal position, triggering the switch input terminal of the transmitter. The relay of the receiver is activated, and the receiver controls the corresponding end gate status indicator L1 (alarm indicator) to light up. At the same time, the buzzer HA1 sounds an alarm. When the end gate is closed, the limit switch of the end gate closed to its normal position is triggered. The normally closed contact of the limit switch of the end gate closed to its normal position is opened, and the switch input terminal is not triggered. The relay of the receiver is deactivated, the corresponding end gate status indicator L1 (alarm indicator) is restored, and the buzzer HA1 stops sounding.

[0053] Please see Figure 4 The second embodiment of this application provides a subway platform end door alarm device 100, including the subway platform end door alarm circuit 10 as described above; wherein, the alarm module 17 is installed in the subway station control room.

[0054] In one feasible embodiment, the signal transmission module 13 is located on the platform level.

[0055] In one feasible embodiment, the signal switch module 15 and the alarm module 17 are located on the station hall floor.

[0056] The end door switch detection module of this application is used to detect the opening and closing status of subway platform end doors. Therefore, when the subway platform end door is in the open state, and when the end door is closed to the limit switch SQ1 is closed, the first transmitter ( Figure 2 The transmitter relay KM2-Relay in the signal transmission module 13 sends out the first electrical signal, and the first receiver switch ( Figure 3 KM2 in the middle is turned on, so that the second transmitter ( Figure 3 The transmitter relay KM3-Relay sends a second electrical signal to the second receiver switch of the signal switch module 15. Figure 3 KM3 in the signal switch module 15, the second receiver switch ( Figure 3 When KM3 in the middle enters the conduction state, the alarm module 17 is powered on and enters the alarm working state, so as to remind the subway platform end door that it is in the open state. It can remind users of the opening and closing status of the subway platform end door and prevent people from opening the subway platform end door and entering the track area without authorization.

[0057] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of protection of this application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the scope of protection of this application.

Claims

1. A subway platform end door alarm circuit, characterized in that, include: The system comprises a first power supply, an end door switch detection module, a signal transmission module, a signal switch module, and an alarm module; the first power supply includes a first electrode and a second electrode; the end door switch detection module includes a signal transmitting end; the signal transmission module includes a signal input end and a signal output end; and the signal switch module includes a signal driving end. The end door switch detection module is used to detect the open / closed status of subway platform end doors; The signal input terminal of the signal transmission module is communicatively connected to the signal transmitting terminal of the end gate switch detection module, and the signal output terminal of the signal transmission module is communicatively connected to the signal driving terminal of the signal switch module. The signal switch module is electrically connected to the alarm module, and the signal drive terminal of the signal switch module is used to switch the on / off state of the signal switch module. The end door switch detection module includes an end door closed-in limit switch and a first transmitter; the first connection terminal of the end door closed-in limit switch is connected to the first electrode of a first power supply through the first transmitter; the second connection terminal of the end door closed-in limit switch is connected to the second electrode of the first power supply. The first transmitter is equipped with a signal transmitting end, and the signal transmitting end of the first transmitter is communicatively connected to the signal input end of the signal transmission module.

2. The subway platform end door alarm circuit according to claim 1, characterized in that: The signal transmission module includes a first receiver switch and a second transmitter; the first receiver switch is provided with a signal driving terminal; the second transmitter includes a signal output terminal. The signal drive terminal of the first receiver switch is communicatively connected to the signal output terminal of the limit switch that is closed to the limit position; the first receiver switch is electrically connected to the second transmitter; the signal drive terminal of the first receiver switch is used to switch the switching state of the first receiver switch; The signal output terminal of the second transmitter is communicatively connected to the signal drive terminal of the signal switch module.

3. The subway platform end door alarm circuit according to claim 2, characterized in that: The signal switch module includes a second receiver switch, and the second receiver switch includes a signal driving terminal; The signal drive terminal of the second receiver switch is communicatively connected to the signal output terminal of the second transmitter; the second receiver switch is electrically connected to the alarm module; the signal drive terminal of the second receiver switch is used to switch the on / off state of the second receiver switch.

4. The subway platform end door alarm circuit according to claim 3, characterized in that: It also includes a second power supply, which includes a third electrode and a fourth electrode; the second receiver switch also includes a first switch terminal and a second switch terminal. The first switch terminal of the second receiver switch is connected to the third electrode of the second power supply, the second switch terminal of the second receiver switch is connected to the first module terminal of the alarm module, and the second module terminal of the alarm module is connected to the fourth electrode of the second power supply; the signal drive terminal of the second receiver switch is used to switch the conduction state of the first switch terminal and the second switch terminal of the signal switch module.

5. The subway platform end door alarm circuit according to claim 4, characterized in that: The alarm module includes a buzzer, the first end of which is connected to the second switch terminal of the second receiver switch, and the second end of which is connected to the fourth electrode of the second power supply.

6. The subway platform end door alarm circuit according to claim 4, characterized in that: The alarm module includes an alarm indicator light. The first end of the alarm indicator light is connected to the second switch terminal of the second receiver switch, and the second end of the alarm indicator light is connected to the fourth electrode of the second power supply.

7. A subway platform end door alarm device, characterized in that: It includes a subway platform end door alarm circuit as described in any one of claims 1-6; wherein the alarm module is located in the subway station control room.

8. The subway platform end door alarm device according to claim 7, characterized in that: The signal transmission module is located on the platform level.

9. The subway platform end door alarm device according to claim 7, characterized in that: The signal switch module and alarm module are located on the station hall floor.

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