Intelligent platform door rail connecting line control device

Through the combination of current and voltage controllers and intelligent controllers, the rail-to-ground voltage and leakage current are monitored in real time, which solves the problems of short equipment life and safety hazards in existing technologies and realizes safe and reliable platform door track line control.

CN223420701UActive Publication Date: 2025-10-10ZHEJIANG BOXIN MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422668321.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-10
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The existing platform door track line control device uses simple logic control, which results in a short equipment life and poses safety hazards, especially when equipment or power failure occurs, which may cause personal safety accidents.

Method used

A combination of electronic components such as current and voltage controllers, intelligent controllers, and normally closed DC contactors is used to monitor rail-to-ground voltage and leakage current in real time, provide over-limit alarms, and achieve safe on-off control without reducing equipotential load capacity.

Benefits of technology

It increases the service life of the equipment, reduces potential safety hazards caused by equipment failure, ensures passenger safety, and avoids fire risks caused by cable entanglement and heat accumulation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223420701U_ABST
    Figure CN223420701U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of platform door rail connecting line control devices, in particular to an intelligent platform door rail connecting line control device which comprises a cabinet body and heat dissipation holes. The control device comprises a cabinet body and further comprises a control assembly and a limiting assembly, the control assembly used for controlling a platform door rail connecting line is installed in the cabinet body, the limiting assembly used for limiting a cable is arranged at the front end of the cabinet body, the control assembly comprises a current and voltage controller, an intelligent controller and a normally-closed direct current contactor, and the current and voltage controller is installed in the cabinet body. An intelligent controller is installed below the current and voltage controller, a normally-closed direct current contactor is installed below the intelligent controller, and the intelligent controller and the normally-closed direct current contactor are both installed in the cabinet body. According to the utility model, through cooperation among the current and voltage controller, the intelligent controller, the normally-closed DC contactor and other electronic elements, voltage of the backflow rail to the ground and leakage current conditions of the backflow rail and a platform door equipotential line are monitored in real time.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of platform door track connection line control devices, and in particular to an intelligent platform door track connection line control device. Background Art

[0002] When passengers get on and off the train, their safety needs to be guaranteed. Therefore, the platform door connection line is required to maintain the equipotential connection between the platform door and the train body or other related facilities to ensure that passengers will not be harmed by the motor due to the potential difference when the train is energized. At the same time, a control device is required to control it when it is used.

[0003] Most existing control devices use ordinary contactor control. Once the contactor fails, it may cause personal safety accidents, and there is only a simple interlocking control with the safety door signal. Once the safety door signal fails, it will cause long-term conduction, damaging the platform door equipment. At the same time, through simple logic control, the equipment follows the platform door switch for linkage, resulting in a short service life of the equipment.

[0004] Therefore, in order to solve the problem that the above-mentioned control device uses simple logic control and the equipment follows the platform door switch to operate in conjunction, resulting in a short service life of the equipment, an intelligent platform door track line control device can be designed. Utility Model Content

[0005] In order to overcome the problem that the control device adopts simple logic control, the equipment is linked with the platform door switch, resulting in a short service life of the equipment.

[0006] The technical solution of the present utility model is: an intelligent platform door track line control device, including a cabinet and a heat dissipation hole; also including a control component and a limit component, the interior of the cabinet is equipped with a control component for controlling the platform door track line, the front end of the cabinet is provided with a limit component for limiting the cable, the control component includes a current and voltage controller, an intelligent controller and a normally closed DC contactor, the interior of the cabinet is equipped with a current and voltage controller, the bottom of the current and voltage controller is equipped with an intelligent controller, the bottom of the intelligent controller is equipped with a normally closed DC contactor, and both the intelligent controller and the normally closed DC contactor are installed inside the cabinet, and heat dissipation holes are provided on the left and right sides of the cabinet.

[0007] Preferably, through the cooperation between the current and voltage controller, the intelligent controller, the normally closed DC contactor and other electronic components, the voltage between the return rail and the ground and the leakage current of the equipotential wire between the return rail and the platform door are monitored in real time, which helps to analyze the rail-to-ground voltage and the leakage current of the equipotential wire between the platform door in various situations such as no car, train entering the station, car, train leaving the station, and train passing the station, and can provide over-limit alarms according to the set limits, while ensuring the safe on-off control of the equipotential wire without reducing the equipotential load capacity, thereby solving the safety hazards caused by equipment or power failure.

[0008] Preferably, mounting brackets are provided at both left and right ends of the cabinet, support rods are provided at both upper and lower ends of the mounting brackets, and four groups of support rods are vertically arranged.

[0009] Preferably, a limiting groove is provided inside the support rod, and a ventilation groove is provided on the surface of the top end of the support rod and the surface of the opposite side of the mounting frame.

[0010] Preferably, the current and voltage controller, the intelligent controller and the normally closed DC contactor are all arranged between the mounting frame and the support rod.

[0011] Preferably, the limiting assembly includes a junction box, a fixing plate, a winding roller, a movable block, a through slot, a support rod, a button and an indicator light, and the junction box is installed at the front end of the cabinet.

[0012] Preferably, a fixing plate with a micro motor is cross-mounted inside the junction box, a winding roller is provided at the middle position of the rear end of the fixing plate, and the rear end of the winding roller is slidably connected to a through slot.

[0013] Preferably, a support rod is provided on the rear end surface of the junction box, a button is provided on the lower end of the front end surface of the cabinet, and an indicator light is installed on the upper end of the front end surface of the cabinet.

[0014] The beneficial effects of the present invention are as follows: through the cooperation between the current and voltage controller, the intelligent controller, the normally closed DC contactor and other electronic components, the voltage between the return rail and the ground and the leakage current of the equipotential wire between the return rail and the platform door are monitored in real time, which helps to analyze the rail-to-ground voltage and the leakage current of the equipotential wire between the platform door in various situations such as no train, train entering the station, train present, train leaving the station, and train passing the station, and can provide over-limit alarms according to the set limits, while ensuring the safe on-off control of the equipotential wire without reducing the equipotential load capacity, thereby solving the safety hazards caused by equipment or power failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a first three-dimensional structural diagram of an intelligent platform door track connection line control device of the present invention;

[0016] Figure 2Shown is a schematic diagram of the first cross-sectional perspective structure of a control assembly of an intelligent platform door track connection line control device of the present invention;

[0017] Figure 3 Shown is a schematic diagram of the first cross-sectional perspective structure of a control assembly of an intelligent platform door track connection line control device of the present invention;

[0018] Figure 4 Shown is a schematic diagram of the cross-sectional structure of an intelligent platform door track connection line control device of the present invention;

[0019] Figure 5 Shown is a schematic diagram of the cross-sectional three-dimensional structure of a limit assembly of an intelligent platform door track line control device of the present invention;

[0020] Figure 6 Shown is a schematic diagram of the main control box structure of an intelligent platform door track line control device of the present utility model;

[0021] Figure 7 Shown is a schematic diagram of the internal circuit of the main control box of an intelligent platform door connection line control device of the present invention;

[0022] Figure 8 Shown is a schematic diagram of the system box structure of an intelligent platform door connection line control device of the utility model;

[0023] Figure 9 Shown is a schematic diagram of the internal structure of the circuit of the system box of an intelligent platform door connection line control device of the present utility model.

[0024] Explanation of the accompanying reference numerals: 1. Cabinet; 2. Heat dissipation hole; 301. Current and voltage controller; 302. Intelligent controller; 303. Normally closed DC contactor; 304. Mounting frame; 305. Support rod; 306. Limiting groove; 307. Ventilation groove; 401. Junction box; 402. Fixing plate; 403. Winding roller; 404. Movable block; 405. Through groove; 406. Support rod; 407. Button; 408. Indicator light. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0026] See also Figure 1-Figure 5The utility model provides an embodiment: a kind of intelligent platform door rail line control device, including cabinet 1, louvre 2;Further include control assembly and limiting component, the inside of cabinet 1 is equipped with the control assembly for controlling platform door rail line, the front end of cabinet 1 is provided with the limiting component for limiting cable, control assembly includes current voltage controller 301, intelligent controller 302 and normally closed DC contactor 303, the inside of cabinet 1 is equipped with current voltage controller 301, intelligent controller 302 is installed below current voltage controller 301, normally closed DC contactor 303 is installed below intelligent controller 302, and intelligent controller 302 and normally closed DC contactor 303 are all installed in the inside of cabinet 1, and the left and right sides of cabinet 1 are all set with louvre 2.

[0027] Please refer to Figure 2-Figure 3 In the embodiment, the left and right ends in the inside of cabinet 1 are all provided with mounting bracket 304, the upper and lower ends of mounting bracket 304 are all equipped with support 305, and four groups are vertically provided in support 305;Limiting slot 306 is opened in the inside of support 305, and the surface of the top end of support 305 and the surface of the opposite side of mounting bracket 304 are all set with ventilation groove 307;Current voltage controller 301, intelligent controller 302 and normally closed DC contactor 303 are all set between mounting bracket 304 and support 305, by being respectively installed in the space formed by mounting bracket 304 and support 305, and the cable of current voltage controller 301, intelligent controller 302 and normally closed DC contactor 303 is inserted into corresponding limiting slot 306, avoid cable winding to make the inside space of cabinet 1 disorder, increase the risk of electrical fault such as circuit breaking, short circuit, affect the normal operation of control device.

[0028] Please refer to Figure 4-Figure 5In this embodiment, the limit assembly includes a junction box 401, a fixed plate 402, a winding roller 403, a movable block 404, a through slot 405, a support rod 406, a button 407 and an indicator light 408. The junction box 401 is installed at the front end of the cabinet 1; a fixed plate 402 with a micro motor is cross-mounted inside the junction box 401, a winding roller 403 is provided at the middle position of the rear end of the fixed plate 402, and the rear end of the winding roller 403 is slidably connected to the through slot 405; a support rod 406 is provided on the rear end surface of the junction box 401, and the front of the cabinet 1 A button 407 is provided at the lower end of the end surface, and an indicator light 408 is installed at the upper end of the front surface of the cabinet 1. The cables are wound onto the support rod 406 accordingly, extended into the junction box 401 through the through slot 405, and wound onto the winding roller 403. The micro motor in the fixed plate 402 drives the winding roller 403 to rotate, and the cable is wound and fixed. The movable block 404 slides on the winding roller 403 to limit the wound cable, thereby classifying and fixing the cables to avoid cable accumulation in the control device, which leads to heat accumulation in the control device, poor heat dissipation, and fire.

[0029] See also Figure 6-Figure 9 , is a circuit diagram of the platform door track connection control device. This circuit diagram and control device structure diagram are based on existing common conventional designs, rather than the core technological innovation of this solution. Therefore, we do not elaborate on them here.

[0030] During operation, the current and voltage controller 301, the intelligent controller 302 and the normally closed DC contactor 303 are respectively installed in the space formed by the mounting frame 304 and the support rod 305, and the cables of the current and voltage controller 301, the intelligent controller 302 and the normally closed DC contactor 303 are inserted into the corresponding limit slots 306 to avoid the entanglement of the cables causing chaos in the internal space of the cabinet 1, increasing the risk of electrical faults such as open circuit and short circuit, and affecting the normal operation of the control device; at the same time, the cables are correspondingly wound around the support rod 406, extended into the junction box 401 through the through slot 405, and wound around the winding roller 403, and the micro motor in the fixed plate 402 drives the winding roller 403 to rotate, winding and fixing the cables, and the movable block 404 slides around On the wire roller 403, the wound cables are limited, so that the cables are classified and fixed to avoid cable accumulation in the control device, which leads to heat accumulation in the control device, poor heat dissipation, and fire. At the same time, under the action of the intelligent controller 302, the collected rail-to-ground voltage, equipotential line current, safety door signal and train status are intelligently controlled to switch the equipotential line on and off. With the cooperation of the current and voltage controller 301 and the normally closed DC contactor 303, the voltage between the return rail and the ground and the leakage current of the equipotential line between the return rail and the platform door are monitored in real time, and the safe on-off control of the equipotential line is achieved without reducing the equipotential load capacity. The normally closed DC contactor 303 effectively solves the safety hazards caused by equipment or power failure.

[0031] Through the above steps, the current and voltage controller 301, the intelligent controller 302, the normally closed DC contactor 303 and other electronic components cooperate to monitor the voltage between the return rail and the ground and the leakage current of the potential lines equivalent to the platform door in real time. This helps to analyze the rail-to-ground voltage and the leakage current of the potential lines equivalent to the platform door in various situations, such as when there is no train, when a train enters the station, when a train is present, when a train leaves the station, or when a train passes the station. It can also provide an over-limit alarm based on the set limits. In addition, the normally closed DC contactor 303 effectively solves the safety hazards caused by equipment or power failures; it solves the problem that the control device uses simple logic control and the equipment follows the platform door switch to operate in conjunction, resulting in a short equipment life.

[0032] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. An intelligent platform door track line control device, comprising a cabinet (1) and a heat dissipation hole (2); characterized in that: The invention also includes a control component and a limit component. The cabinet (1) is provided with a control component for controlling the platform door connection line. The front end of the cabinet (1) is provided with a limit component for limiting the cable. The control component includes a current and voltage controller (301), an intelligent controller (302) and a normally closed DC contactor (303). The cabinet (1) is provided with a current and voltage controller (301). The intelligent controller (302) is installed below the current and voltage controller (301). The normally closed DC contactor (303) is installed below the intelligent controller (302). Both the intelligent controller (302) and the normally closed DC contactor (303) are installed inside the cabinet (1). Heat dissipation holes (2) are provided on both the left and right sides of the cabinet (1).

2. The intelligent platform door connection line control device according to claim 1, characterized in that: The left and right ends of the cabinet (1) are both provided with mounting frames (304), the upper and lower ends of the mounting frames (304) are both provided with support rods (305), and four groups of support rods (305) are vertically provided.

3. The intelligent platform door connection line control device according to claim 2, characterized in that: A limiting groove (306) is provided inside the support rod (305), and a ventilation groove (307) is provided on the surface of the top end of the support rod (305) and the surface of the opposite side of the mounting frame (304).

4. The intelligent platform door connection line control device according to claim 3, characterized in that: The current and voltage controller (301), the intelligent controller (302), and the normally closed DC contactor (303) are all arranged between the mounting frame (304) and the support rod (305).

5. The intelligent platform door connection line control device according to claim 1, characterized in that: The limiting assembly includes a junction box (401), a fixing plate (402), a winding roller (403), a movable block (404), a through slot (405), a support rod (406), a button (407) and an indicator light (408). The junction box (401) is installed at the front end of the cabinet (1).

6. The intelligent platform door connection line control device according to claim 5, characterized in that: A fixing plate (402) with a micro motor is cross-mounted inside the junction box (401), a winding roller (403) is provided at the middle position of the rear end of the fixing plate (402), and a through slot (405) is slidably connected to the rear end of the winding roller (403).

7. The intelligent platform door connection line control device according to claim 4, characterized in that: A support rod (406) is provided on the rear end surface of the junction box (401), a button (407) is provided on the lower end of the front end surface of the cabinet (1), and an indicator light (408) is installed on the upper end of the front end surface of the cabinet (1).