Railway passenger platform lift safety door
By installing lifting safety door units on railway platforms and utilizing infrared through-beam sensors and embedded microprocessor-controlled lifting mechanisms, the potential for passenger falls in open platform designs has been resolved, achieving both safety protection and convenient passenger transportation.
Patent Information
- Application Number
- CN201910940215.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-09-30
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2039-09-30
AI Technical Summary
The existing railway platform is designed to be open and lacks protective measures, which poses a risk of passengers falling if they approach the platform edge without permission. Existing technology has not been able to effectively solve this hazard.
The system employs a lifting safety gate unit, which includes a barrier, a lifting drive mechanism, a controller, and infrared beam sensors. Controlled by an embedded microprocessor, it enables automatic lifting and lowering of the safety gate and provides voice prompts to prevent passengers from approaching the platform edge at unauthorized times.
This effectively prevents passengers from approaching the platform edge without permission, avoids falls, improves waiting safety, reduces the workload of staff, and ensures passengers can board and alight smoothly.
Smart Images

Figure CN110745147B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of railway safety protection, in particular to a railway passenger platform lifting safety door. BACKGROUND
[0002] At present, the platforms of all railway bureaus are designed in an open type without protective measures, and when passengers are waiting for a train, only a passenger service officer patrols on the platform to supervise, which not only brings inconvenience to other passengers, but also greatly affects the station.
[0003] Therefore, the open design of the existing platform has the above-mentioned hidden dangers, and how to prevent passengers from entering the safety line when they do not get on the train to avoid the above-mentioned hidden dangers is not related in the prior art. SUMMARY
[0004] The purpose of the present application is to provide a railway passenger platform lifting safety door which can prevent passengers from approaching the edge of the platform at an unallowed time while not affecting the passengers on the platform to get on and off the vehicle, so as to avoid the occurrence of accidents such as falling off the platform.
[0005] The technical scheme adopted by the present application is as follows:
[0006] A railway passenger platform lifting safety door comprises a lifting safety door unit arranged on the platform for limiting personnel to get on and off the vehicle at an allowed time, wherein the lifting safety door unit comprises a partition fence and first and second lifting drive mechanisms and a controller, the partition fence corresponds to the getting-on and getting-off positions fixed on the platform, and the two ends of the partition fence are connected with the first and second lifting drive mechanisms, respectively; the first and second lifting drive mechanisms are the same in structure and are oppositely arranged.
[0007] Further comprising a system server, a serial port server, a voltage driver, a switch and a monitoring terminal, the serial port server, the system server and the monitoring terminal are connected together through the switch, the output end of the serial port server is connected with the control input end of the voltage driver, the output end of the voltage driver is connected with the lifting drive mechanism of the lifting safety door unit through the controller, and the controller is a control device with an embedded microprocessor as the core.
[0008] Further comprising a metal plate shell for dust and water prevention, the metal plate shell is provided with a gap on the side surface for the partition fence and the first or second lifting drive mechanism to enter and exit the shell, the shell part at the gap is provided with a protective layer, the protective layer comprises a PTC heating film, a moisture detection layer and a dust and water prevention foaming layer from outside to inside in sequence, and the PTC heating film is arranged in close contact with the inner wall of the aluminum alloy plate shell; the output end of the moisture detector is connected with the input end of the central processor, and the output end of the central processor is connected with the control input end of the PTC heating film.
[0009] The infrared sensor is arranged on the opposite side of the first and second lifting driving mechanisms, and is used for detecting whether a person approaches or climbs over the isolation fence.
[0010] The loudspeaker is connected to the output end of the controller, and is used for voice reminding of vehicle entry information and or warning information.
[0011] The first lifting driving mechanism comprises a base, a DC servo driving mechanism arranged on the base, a lifting machine, a lifting main plate, a linear guide rail, a light shaft, a fixed shaft, a synchronous belt, a fixed sliding block and a plurality of movable sliding blocks. The DC servo driving mechanism is used for driving the lifting machine to lift. The lifting main plate is vertically arranged, and one side of the lifting main plate is fixed with an output shaft of the lifting machine. Upper and lower ends of the other side of the lifting main plate are respectively provided with an upper fixed part and a lower fixed part. The light shaft is fixedly connected with the lifting main plate through the upper and lower fixed parts. The first and second synchronous pulleys are horizontally arranged at the upper and lower fixed parts. The synchronous belt is annular and is arranged around the first and second synchronous pulleys. The fixed sliding block is fixedly arranged at the lower end of the upper fixed part. The plurality of movable sliding blocks are sequentially arranged on the light shaft. The movable sliding block arranged at the bottom of the light shaft is fixedly arranged with the synchronous belt and slides up and down along the light shaft under the action of the synchronous belt. The movable sliding blocks and the fixed sliding block are sequentially connected through the sliding block connecting belt. The fixed shaft is vertically arranged on the other side of the synchronous belt opposite to the side where the movable sliding blocks are arranged, and the upper end of the fixed shaft is fixedly connected with the synchronous belt.
[0012] The isolation fence comprises a plurality of colored pipes or ribbons. The number of the colored pipes or ribbons is equal to the total number of the movable sliding blocks and the fixed sliding blocks. One end of each colored pipe or ribbon is fixedly connected with one movable sliding block or one fixed sliding block.
[0013] The fixed tooth plate is used for pressing and fixing the upper end of the fixed shaft and the synchronous belt, so that the two are fixed more stably.
[0014] The colored pipe is made of carbon fiber pipe. Each colored pipe is formed by a plurality of carbon fiber pipes.
[0015] The colored pipe is coated with a layer of colored plastic.
[0016] This invention involves installing multiple sets of rising bollards on existing railway passenger platform, with multiple horizontally parallel protective strips between each set of bollards. An embedded microprocessor drives a servo motor via a motor driver to raise and lower the bollards, enabling on-demand opening and closing control between passengers and the tactile paving. When passengers are waiting for their trains, the safety gates keep them outside the safety line, preventing accidental falls and intentional rushes off the platform, greatly enhancing passenger safety and reducing the workload of station staff. When passengers need to board the train, the safety gates rise to allow them to board. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is an electrical schematic diagram of the present invention;
[0019] Figure 2 This is a schematic diagram of the lifting drive mechanism described in this invention. Detailed Implementation
[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0021] In the description of this invention, it should be noted that for directional terms, such as "center," "lateral," and "vertical," the appropriate terms may be used.
[0022] The directions and positional relationships indicated by symbols such as "direction", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They 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 should not be construed as limiting the specific protection scope of the present invention.
[0023] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are for...
[0024] Distinguishing between similar objects, without necessarily implying a specific order or precedence. It is to be understood that such a recitation of data as used herein and by the embodiments of the present application described herein can be interchanged with one another, where appropriate, to encompass the embodiments of the present application described herein. Furthermore, the terms "including", "containing", and "having", and variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, product or apparatus that comprises a list of steps or units is not necessarily limited to those steps or units that are expressly listed, but can include other steps or units not expressly listed or inherent to such process, method, product or apparatus.
[0025] As shown in Figure 1 and 2 The present application comprises a lifting safety door unit arranged on a platform for limiting people to get on and off at the permitted time, the lifting safety door unit comprises a barrier and a first and a second lifting driving mechanism and a controller, the barrier corresponds to the getting on and off position fixed on the platform, and the two ends of the barrier are connected with the first and the second lifting driving mechanism respectively; the first and the second lifting driving mechanism are the same structure and oppositely arranged; further comprising a system server, a serial server, a voltage driver, a switch and a monitoring terminal, the serial server, the system server and the monitoring terminal are connected together through the switch, the output end of the serial server is connected with the control input end of the voltage driver, the output end of the voltage driver is connected with the first and the second lifting driving mechanism through the controller respectively, and the controller is a control device with an embedded microprocessor as the core.
[0026] Further comprising a metal shell for dustproof and waterproof, the metal shell is provided with a gap on the side surface for the barrier and the first or the second lifting driving mechanism to enter and exit the shell, and the shell part at the gap is provided with a protective layer, the protective layer comprises a metal bottom plate, a PTC heating film, a moisture detection layer and a dustproof and waterproof foaming layer from outside to inside; the output end of the moisture detection layer is connected to the input end of the controller, and the heating output end of the controller is connected to the control input end of the PTC heating film.
[0027] The moisture detection layer adopts two metal strips, the two metal strips are arranged in parallel and at intervals, and the two metal strips are connected with the two output ends of the moisture detection layer respectively. After the controller detects that the air temperature is lower than zero, the two metal strips perceive the resistance change between the two strips at all times, when the foaming layer has water, the resistance is small, then the heating layer is started to heat to evaporate the moisture, so as to realize the anti-freezing of the foaming layer.
[0028] Also include the invisible light to the sensor, the emission end and the receiving end of the invisible light to the sensor are respectively arranged on the opposite sides of the first and second lifting driving mechanisms, for detecting whether someone is close or over the isolation fence, at the same time, it can also detect whether there is someone or other obstructions directly below the isolation fence when the isolation fence is raised or about to be lowered, if so, timely voice prompt, avoid personnel or financial losses.
[0029] Also include a loudspeaker, the loudspeaker is connected to the output end of the controller, for voice prompt vehicle information and or warning information.
[0030] As shown in Figure 2 The first lifting driving mechanism includes a base 8, a DC servo driving mechanism arranged on the base 8, an elevator 3, a lifting main plate 1, a linear guide rail 7, an optical axis 4, a fixed shaft 12, a synchronous belt 10, a fixed block 2 and a plurality of movable blocks 5, the DC servo driving mechanism is used to drive the elevator 3 to lift, the lifting main plate 1 is vertically arranged, and one side of the lifting main plate 1 is fixed with the output shaft of the elevator 3, the other side of the lifting main plate 1 is provided with an upper fixed part and a lower fixed part at the upper and lower ends respectively, and the optical axis 4 is fixedly connected with the lifting main plate 1 through the upper and lower fixed parts at both ends respectively; the upper fixed part and the lower fixed part are respectively provided with a first synchronous pulley 9 and a second synchronous pulley 14 at the end, the synchronous belt 10 is annular and is arranged around the first synchronous pulley 9 and the second synchronous pulley 14; the fixed block 2 is fixedly arranged at the lower end of the upper fixed part, and the plurality of movable blocks 5 are sequentially sleeved on the optical axis 4, wherein the movable block arranged at the bottom of the optical axis 4 is fixedly arranged with the synchronous belt 10 and slides up and down along the optical axis 4 under the action of the synchronous belt 10, the movable blocks 5 and the fixed block 2 are sequentially connected by the slide block connecting belt 6; the fixed shaft 12 is vertically arranged on the other side of the synchronous belt 10 opposite to the side where the movable blocks 5 are arranged, and the upper end of the fixed shaft 12 is fixedly connected with the synchronous belt 10. The linear guide rail 7 has three roots, which are parallel to each other and not on the same plane, to ensure the strength of the lifting mechanism, two of which are fixed linear guide rails 7, and one of which is a sliding linear guide rail 7 fixed on the lifting main plate.
[0031] The isolation fence includes a plurality of colored pipes or colored tapes, the number of the colored pipes or colored tapes is equal to the total number of the movable blocks and the fixed blocks, and one end of each colored pipe or colored tape is fixedly connected with one fixed block or movable block.
[0032] Also include a fixed tooth plate, the fixed tooth plate is used to press the upper end of the fixed shaft and the synchronous belt, so that they are fixed more stably.
[0033] The safety door protection colored tape or colored pipe is used for the protection of the safety door.
[0034] Safety door protection ribbon: ribbon. Safety door protection color tube: carbon fiber tube, outer color plastic. The whole protection color tube is about 25 meters long, and there is no whole tube material. The carbon fiber tube is spliced by two tube materials.
[0035] In actual use, the lifting safety door unit can be used alone or multiple together. When there are multiple lifting safety door units, the lifting safety door unit 1… lifting safety door unit n under the action of the voltage driver described in the application can still ensure good synchronous lifting effect.
[0036] The lifting module described in the application has a power supply voltage of DC 36V-48V and a power of 0W-400W, which is automatically adjusted according to the load size. The lifting speed of the module is >0.45m / s, the falling speed of the module is 0.2m / s-0.45m / s, which is automatically adjusted. When a person is blocked, the horn sound pressure is >97DB, the blocking broadcast is "prohibit climbing, away from the guardrail", the module falling broadcast is "guardrail falling, pay attention to safety", and the specific can also be flexibly adjusted and set according to the actual use demand.
[0037] The above only describes the preferred embodiment of the application and does not limit the application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the application shall be included in the protection scope of the application.
Claims
1. A railway passenger platform lift gate, characterized by: The application relates to a lift-type safety door unit arranged on a platform for limiting people to get on or off at permitted time, which comprises a partition fence and first and second lift driving mechanisms and a controller, the partition fence corresponds to getting-on and getting-off positions fixed on the platform, and the two ends of the partition fence are connected with the first and second lift driving mechanisms respectively; the first and second lift driving mechanisms are identical in structure and oppositely arranged. The system server, the serial port server, the voltage driver, the switch and the monitoring terminal are connected together through the switch, the output end of the serial port server is connected with the control input end of the voltage driver, the output end of the voltage driver is connected with the lift driving mechanism of the lift safety door unit through the controller, the controller is a control device with an embedded microprocessor as the core, the metal plate shell is provided with a gap for the partition fence and the first or second lift driving mechanism to enter or exit the shell, the shell part at the gap is provided with a protective layer, the protective layer comprises a PTC heating film, a moisture detection layer and a dustproof and waterproof foaming layer from outside to inside, the PTC heating film is arranged close to the inner wall of the aluminum alloy plate shell, the output end of the moisture detection layer is connected with the input end of the central processor, and the output end of the central processor is connected with the control input end of the PTC heating film; when the controller detects that the air temperature is lower than zero, the moisture detection layer is used to detect whether the foaming layer has water, the PTC heating film is started to heat and evaporate the moisture so as to prevent the foaming layer from freezing.
2. The railway passenger platform lift door according to claim 1, characterized in that: The infrared opposite-shooting sensor is arranged on the opposite surfaces of the first and second lift driving mechanisms, and is used to detect whether someone approaches or jumps over the partition fence.
3. The railway passenger platform lift door according to claim 1, characterized in that: The loudspeaker is connected with the output end of the controller, and is used to give voice reminding of vehicle entry information and or warning information.
4. A railway passenger platform lift door according to any one of claims 1 to 3, wherein: The first lifting driving mechanism comprises a base, a DC servo driving mechanism arranged on the base, a lifting machine, a lifting main plate, a linear guide rail, an optical shaft, a fixed shaft, a synchronous belt, a fixed sliding block and a plurality of dynamic sliding blocks, the DC servo driving mechanism is used to drive the lifting machine to lift, the lifting main plate is vertically arranged, one side of the lifting main plate is fixed with an output shaft of the lifting machine, upper and lower ends of the other side of the lifting main plate are respectively provided with an upper fixed part and a lower fixed part, and the optical shaft is fixedly connected with the lifting main plate through the fixed parts at both ends; the upper fixed part and the lower fixed part are respectively provided with a first synchronous pulley and a second synchronous pulley at the ends, the synchronous belt is annular and is arranged around the first synchronous pulley and the second synchronous pulley; the fixed sliding block is fixedly arranged at the lower end of the upper fixed part, the plurality of dynamic sliding blocks are sequentially sleeved on the optical shaft, the dynamic sliding block arranged at the bottom of the optical shaft is fixedly arranged with the synchronous belt and slides up and down along the optical shaft under the action of the synchronous belt, the dynamic sliding blocks and the fixed sliding block are sequentially connected through a sliding block connecting belt, and the fixed shaft is vertically arranged on the other side of the synchronous belt opposite to the side where the dynamic sliding blocks are arranged, and the upper end of the fixed shaft is fixedly connected with the synchronous belt.
5. The railway passenger platform lift door according to claim 4, characterized in that: The isolation fence comprises a plurality of colorful pipes or ribbons, the number of the colorful pipes or ribbons is equal to the total number of the dynamic sliding blocks and the fixed sliding blocks, and one end of each colorful pipe or ribbon is fixedly connected with one fixed sliding block or dynamic sliding block.
6. The railway passenger platform lift door according to claim 5, characterized in that: The fixed tooth plate is further arranged, and is used to press the upper end of the fixed shaft and the synchronous belt to make them more stable.
7. The railway passenger platform lift door according to claim 6, characterized in that: The colorful pipe is made of carbon fiber pipes, and each colorful pipe is formed by a plurality of carbon fiber pipes.
8. The railway passenger platform lift door according to claim 7, characterized in that: The colorful pipe is coated with a layer of colorful plastic.
Citation Information
Patent Citations
Chip waterproof structure and sensor
CN108346624A
Lifting device, safety door, safety door system and control method of lifting device
CN109372406A
Lifting type train number indicating device for railway platform
CN110264924A
Lifting type safety door of railway passenger platform
CN211280998U