Alarm device of metro platform screen door

Abstract

The utility model discloses a subway shielding door alarm device, and relates to the technical field of automatic control, the subway shielding door alarm device comprises a shielding door, the top of the shielding door is provided with a shell, the shell is provided with a display screen used for displaying door closing countdown and other data, and the shell is further provided with a reminding lamp, a controller, an alarm and a PSC display panel. Under the cooperative action of a cleaning plate and the like, a motor is started, and the output end of the motor drives a first gear to rotate and drives two second gears to rotate, so that the two second gears rotate and drive two rotating columns and two half gears to rotate; the two half gears rotate to drive the rack plate to move repeatedly, and the rack plate moves to drive the cleaning plate and the cleaning pad to move repeatedly, so that impurities adsorbed on the display screen can be cleaned, manual regular cleaning of the display screen is not needed, the operation is simple and convenient, and the safety during cleaning can be improved.

Description

Technical Field

[0001] The present application relates to the field of automatic control technology, and in particular to a subway platform screen door alarm device. Background Art

[0002] With the rapid development of urban infrastructure in my country, urban rail transit has also grown rapidly. In particular, subway construction has seen rapid growth in my country's large and medium-sized cities in recent years. Currently, over 20 cities are constructing or expanding subway projects. Subway platform screen doors are high-tech products that integrate the expertise of architecture, mechanics, materials, electronics, and information technology. They are used on subway platforms. They separate the platform from the train operating area and are automatically opened by a control system.

[0003] After searching, the patent with Chinese patent authorization announcement number CN209724090U discloses a safety alarm device for subway screen doors, including a processor, which is connected to a power supply through a single-pole switch, and is also connected to a display, a timer, and a green indicator light. The timer is connected to a pressure sensor through a first electromagnetic switch.

[0004] The safety alarm device for subway screen doors in the above patent has the following shortcomings: although the device can make passengers more aware of their current status and better plan their subsequent behavior to avoid injuries caused by rushing to the door, and also enable platform staff to handle emergencies more quickly, reduce the probability of danger and improve work efficiency, the display screen of the device will absorb a large amount of dust after long-term use, affecting the cleanliness of the display screen. In addition, the staff needs to clean it regularly, which is troublesome. Moreover, due to the high height of the display screen, the safety is not high. Utility Model Content

[0005] The purpose of the present invention is to solve or at least alleviate the problem in the prior art that the display screen of the device will absorb a lot of dust after long-term use, affecting the cleanliness of the display screen, and requiring staff to clean it regularly, which is troublesome. In addition, the cleaning is unsafe due to the high height of the display screen.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a subway platform screen door alarm device, comprising a platform screen door, a housing provided on the top of the platform screen door, a display screen for displaying door closing countdown data, a reminder light, a controller, an alarm, and a PSC display panel, a mounting shell provided on one side outer wall of the housing, a cleaning mechanism provided within the mounting shell for cleaning the display screen;

[0007] The cleaning mechanism includes a motor fixedly installed in a shell, and a first gear and two second gears are rotatably installed on the outer wall of one side of the shell, the first gear and the two second gears are engaged with each other, the output end of the motor is fixedly connected to the first gear through a coupling, the two second gears are fixedly installed with a rotating column, and the two rotating columns are fixedly installed with a half gear, the first gear is provided with a rack plate, and a cleaning plate is fixedly installed on one side of the rack plate, and a cleaning pad is provided on the cleaning plate.

[0008] By adopting the above technical solution, by starting the motor, the output end of the motor will drive the first gear to rotate, and the rotation of the first gear will drive the two second gears to rotate as well, so that the two second gears will rotate and drive the two rotating columns and the two half gears to rotate. The two half gears rotate and drive the rack plate to move repeatedly, and the movement of the rack plate will drive the cleaning plate and the cleaning pad to move repeatedly, thereby cleaning impurities adsorbed on the display screen without the need for manual cleaning on a regular basis. This is simple and convenient, and can also improve safety during cleaning.

[0009] Optionally, the cleaning plate is fixedly connected to the cleaning pad via Velcro, and the cleaning pad is in contact with the display screen.

[0010] By adopting the above technical solution, a cleaning pad is provided to play a protective role and prevent the display screen from being scratched.

[0011] Optionally, a limiting groove is provided on the rack plate, one end of the first gear is fixedly connected to a cylinder, and the cylinder is slidably installed in the limiting groove.

[0012] By adopting the above technical solution, the cylinder can be slidably installed inside by providing a limiting groove.

[0013] Optionally, a mounting shell is provided on one side outer wall of the shell, and the mounting shell includes the entire cleaning device, and a second box groove for the rack plate to move is opened on one side outer wall of the mounting shell.

[0014] By adopting the above technical solution, a protective effect can be achieved by providing the installation shell.

[0015] Optionally, two protective boxes are symmetrically fixedly mounted on one side outer wall of the housing, and both side outer walls of the two protective boxes are provided with a first box groove in an L shape.

[0016] By adopting the above technical solution, the first box slot is provided to assist in installation.

[0017] Optionally, two telescopic rods are symmetrically fixedly mounted on an outer wall of one side of the cleaning plate, one end of each of the two telescopic rods is fixedly mounted with a mounting plate, and both of the mounting plates are fixedly mounted on the housing.

[0018] By adopting the above technical solution, the telescopic rod is provided to play the role of auxiliary support and limitation.

[0019] Optionally, the length of the rack plate is greater than the length of the display screen, and the rack plate is located above the display screen.

[0020] By adopting the above technical solution, the length of the rack plate is greater than the length of the display screen, and the rack plate is located above the display screen, so that incomplete cleaning will not occur.

[0021] Optionally, a fixing plate is fixedly installed on one side outer wall of the shell, an electric telescopic rod is fixedly installed on one side outer wall of the fixing plate, the output end of the electric telescopic rod is fixedly connected to a driving plate, an abutment column is fixedly installed on one side outer wall of the driving plate, and one end of the abutment column abuts against one of the second gears.

[0022] By adopting the above technical solution, by controlling and starting the electric telescopic rod, the output end of the electric telescopic rod will drive the driving plate and the abutment column to move. The abutment column moves and releases the abutment limit on one of the second gears, and can also limit the second gear to prevent the second gear from rotating on its own.

[0023] In summary, the beneficial effects of this application are as follows:

[0024] 1. The new type of the present application adopts the cooperation of the cleaning plate, etc., by starting the motor, the output end of the motor will drive the first gear to rotate, the rotation of the first gear will drive the two second gears to rotate as well, so that the two second gears will rotate and drive the two rotating columns and the two half gears to rotate, and the two half gears will rotate and drive the rack plate to move repeatedly, and the movement of the rack plate will drive the cleaning plate and the cleaning pad to move repeatedly, thereby cleaning impurities adsorbed on the display screen, without the need for manual cleaning regularly, which is simple and convenient, and can also improve safety during cleaning.

[0025] 2. The new model of the present application adopts the cooperation of the abutment column, etc., by controlling the start of the electric telescopic rod, the output end of the electric telescopic rod will drive the drive plate and the abutment column to move, and the abutment column will move and release the abutment limit on one of the second gears. The closing time can be counted down through the display screen, which is convenient for personnel to control the closing time, and the reminder light and alarm can be used to remind personnel, thereby serving as an alarm for the subway screen door. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the entire application;

[0027] Figure 2 It is a schematic diagram of the cleaning structure of this application;

[0028] Figure 3 This is a schematic diagram of the installation shell of this application;

[0029] Figure 4 It is a partial expanded schematic diagram of this application;

[0030] Figure 5 It is a schematic diagram of the limiting structure of this application.

[0031] Explanation of the accompanying drawings: In the figure: 1. Shielding door; 2. Housing; 3. Display screen; 4. Reminder light; 5. Controller; 6. Alarm; 7. Mounting shell; 8. Cleaning plate; 9. Protective box; 10. First box slot; 11. Telescopic rod; 12. Mounting plate; 13. Motor; 14. First gear; 15. Second gear; 16. Rotating column; 17. Half gear; 18. Rack plate; 19. Fixed plate; 20. Second box slot; 21. Limiting groove; 22. Cylinder; 23. Cleaning pad; 24. Electric telescopic rod; 25. Drive plate; 26. Abutment column; 27. PSC display panel. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-5 This application is described in further detail.

[0033] See also Figure 1-3 A subway screen door alarm device includes a screen door 1, a shell 2 arranged above the screen door 1, a display screen 3 arranged on the shell 2 and used to display other data such as a door closing countdown, an alarm mechanism respectively arranged on the shell 2, a mounting shell 7 arranged on an outer wall of one side of the shell 2, a cleaning mechanism arranged in the mounting shell 7 for cleaning the display screen 3, a protective mechanism arranged on the shell 2 for protection, and a limiting mechanism arranged on the shell 2 for limiting position; the alarm mechanism includes a reminder light 4 arranged on the shell 2, a controller 5, an alarm 6 and a PSC display panel 27, the PSC display panel 27 is connected to an external display terminal signal, so that it can display relevant status, event and fault information, and the displayed buttons include a door opening indicator light, an emergency door locking indicator light, an isolation mode indicator light, a door closing fault indicator light, an emergency door opening alarm indicator light, a control system fault indicator light, a power fault indicator light, a monitoring system fault indicator light, a field bus fault indicator light and the like.

[0034] The cleaning mechanism includes a motor 13 fixedly installed in the housing 2, a first gear 14 and two second gears 15 rotatably installed in the housing 2 and meshing with each other, the first gear 14 fixedly connected to the output end of the motor 13 through a coupling, a rotating column 16 fixedly installed on the two second gears 15, a half gear 17 fixedly installed on the two rotating columns 16, a rack plate 18 slidably installed on the first gear 14, a limiting groove 21 provided on the bottom outer wall of the rack plate 18, and a cylinder 22 slidably installed in the limiting groove 21 and rotating with the first gear 14, a cleaning plate 8 fixedly installed on the rack plate 18, and a cleaning pad 23 set by Velcro. The length of the rack plate 18 should be greater than the length of the display screen 3, and the rack plate 18 is located above the display screen 3, so that the cleaning phenomenon will not occur.

[0035] When in use, by starting the motor 13, the output end of the motor 13 will drive the first gear 14 to rotate, and the first gear 14 rotates and drives the two second gears 15 to rotate as well, so that the two second gears 15 rotate and drive the two rotating columns 16 and the two half gears 17 to rotate. The two half gears 17 rotate and drive the rack plate 18 to move repeatedly. The rack plate 18 moves and drives the cleaning plate 8 and the cleaning pad 23 to move repeatedly, thereby cleaning impurities adsorbed on the display screen 3. There is no need for manual cleaning regularly, which is simple and convenient, and can also improve safety during cleaning.

[0036] Reference Figure 1 and Figure 3 The protective mechanism includes a mounting shell 7 fixedly mounted on one side of the outer wall of the housing 2, a second box slot 20 provided on one side of the outer wall of the mounting shell 7 and used for the movement of the rack plate 18, two protective boxes 9 fixedly mounted on one side of the outer wall of the housing 2, and L-shaped first box slots 10 provided on both sides of the outer walls of the two protective boxes 9. The mounting shell 7 can be provided to wrap the entire cleaning mechanism, thereby playing a protective role, and the first box slot 10 can be provided to assist in installation.

[0037] Reference Figure 2 and Figure 5 The limiting mechanism includes a fixing plate 19 fixedly mounted on the outer wall of one side of the housing 2, an electric telescopic rod 24 fixedly mounted on the outer wall of one side of the fixing plate 19, a driving plate 25 fixedly connected to the output end of the electric telescopic rod 24, an abutting column 26 fixedly mounted on the outer wall of one side of the driving plate 25 and used to limit the second gear 15, two telescopic rods 11 fixedly mounted on the outer wall of one side of the cleaning plate 8, and a mounting plate 12 fixedly mounted on one end of the two telescopic rods 11;

[0038] During use, by controlling and starting the electric telescopic rod 24, the output end of the electric telescopic rod 24 will drive the driving plate 25 and the abutment column 26 to move. The abutment column 26 moves and releases the abutment limit on one of the second gears 15, and can also limit the second gear 15 to prevent the second gear 15 from rotating on its own.

[0039] The implementation principle of the present application is as follows: when in use, the display screen 3 can count down the closing time, which is convenient for personnel to control the closing time, and the reminder light 4 and the alarm 6 can remind personnel, playing the role of alarming the subway screen door 1;

[0040] When dust on the display screen 3 needs to be cleaned, the electric telescopic rod 24 is first controlled to start, and the output end of the electric telescopic rod 24 drives the driving plate 25 and the abutment column 26 to move. The abutment column 26 moves and releases the abutment limit on one of the second gears 15;

[0041] At this time, the controller 5 is controlled by the remote control end to start the motor 13, and the output end of the motor 13 will drive the first gear 14 to rotate. The rotation of the first gear 14 will drive the two second gears 15 to rotate as well, so that the two second gears 15 will rotate and drive the two rotating columns 16 and the two half gears 17 to rotate. The two half gears 17 rotate and drive the rack plate 18 to move repeatedly. The movement of the rack plate 18 will drive the cleaning plate 8 and the cleaning pad 23 to move repeatedly, thereby cleaning impurities adsorbed on the display screen 3. There is no need for manual cleaning on a regular basis, which is simple and convenient, and can also improve safety during cleaning.

[0042] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A subway screen door alarm device, comprising a screen door (1), wherein a housing (2) is provided on the top of the screen door (1), and characterized in that: The housing (2) is provided with a display screen (3) for displaying door closing countdown data, and the housing (2) is also provided with a reminder light (4), a controller (5), an alarm (6) and a PSC display panel (27). An installation shell (7) is provided on one side of the outer wall of the housing (2), and a cleaning mechanism for cleaning the display screen (3) is provided in the installation shell (7); The cleaning mechanism comprises a motor (13) fixedly mounted in a housing (2); a first gear (14) and two second gears (15) are rotatably mounted on an outer wall of one side of the housing (2); the first gear (14) and the two second gears (15) are meshed with each other; an output end of the motor (13) is fixedly connected to the first gear (14) via a coupling; a rotating column (16) is fixedly mounted on each of the two second gears (15); a half gear (17) is fixedly mounted on each of the two rotating columns (16); a rack plate (18) is provided on the first gear (14); a cleaning plate (8) is fixedly mounted on one side of the rack plate (18); and a cleaning pad (23) is provided on the cleaning plate (8).

2. The subway screen door alarm device according to claim 1, characterized in that: The cleaning plate (8) is fixedly connected to the cleaning pad (23) via a Velcro, and the cleaning pad (23) is in contact with the display screen (3).

3. The subway screen door alarm device according to claim 1, characterized in that: A limiting groove (21) is provided on the rack plate (18); one end of the first gear (14) is fixedly connected to a cylinder (22); and the cylinder (22) is slidably mounted in the limiting groove (21).

4. The subway screen door alarm device according to claim 3, characterized in that: A mounting shell (7) is provided on one side outer wall of the housing (2), and the mounting shell (7) includes the entire cleaning device. A second box slot (20) for the rack plate (18) to move is opened on one side outer wall of the mounting shell (7).

5. The subway screen door alarm device according to claim 4, characterized in that: Two protective boxes (9) are symmetrically fixedly mounted on one side outer wall of the housing (2), and both side outer walls of the two protective boxes (9) are provided with a first box groove (10) in an L shape.

6. The subway screen door alarm device according to claim 1, characterized in that: Two telescopic rods (11) are symmetrically fixedly mounted on an outer wall of one side of the cleaning plate (8), one end of each of the telescopic rods (11) is fixedly mounted with a mounting plate (12), and both of the mounting plates (12) are fixedly mounted on the housing (2).

7. The subway screen door alarm device according to claim 1, characterized in that: The length of the rack plate (18) is greater than the length of the display screen (3), and the rack plate (18) is located above the display screen (3).

8. The subway screen door alarm device according to claim 1, characterized in that: A fixing plate (19) is fixedly mounted on one side outer wall of the housing (2), an electric telescopic rod (24) is fixedly mounted on one side outer wall of the fixing plate (19), an output end of the electric telescopic rod (24) is fixedly connected to a driving plate (25), an abutting column (26) is fixedly mounted on one side outer wall of the driving plate (25), and one end of the abutting column (26) abuts against one of the second gears (15).

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