CN214403086U

CN214403086U - Self-unlocking escape access control device of ship lift

Info

Publication number: CN214403086U
Application number: CN202120459928.1U
Authority: CN
Inventors: 刘恒; 王向辉; 陈伟; 刘羽
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-10-15
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses a self-unlocking escape access control device of a ship lift, which comprises a plurality of escape doors, wherein the escape doors are arranged at different elevations of a tower column of the ship lift; a position detection device is arranged on one side of the escape door facing the cabin and is electrically connected with the PLC; and the other side of the escape door is provided with an access control mechanism and is electrically connected with the PLC. The device has solved current ship lift emergency exits and has adopted mechanical lock core, and the inefficiency of unblanking lacks safety protection, can't open and close according to the position automatic start-stop of cabin, has the problem of great potential safety hazard, has and can open and close according to the different elevations of the automatic control emergency exits of cabin position automatic control automatically, and can open and close the state with the emergency exits and give in real time and carry out manual monitoring and regulation and control for the central control room, convenient to use, higher characteristics of security.

Description

Self-unlocking escape access control device of ship lift

Technical Field

The utility model belongs to the technical field of the ship lift, in particular to ship lift is from unblock entrance guard's device of fleing.

Background

Ship lifts are arranged in large hydropower stations to provide functions similar to 'elevators' for various ships needing navigation; taking a fully balanced gear climbing nut column security type one-level vertical ship lift of a certain large hydropower station in China as an example, the maximum lifting height is 114.2 meters, 4 tower columns are arranged, 33 escape doors are arranged along the adjacent edge of each tower column, the maximum temporary height is 127 meters, and the minimum temporary height is 4.55 meters; to a plurality of not gates of co-altitude, domestic current ship lift king-post fire escape door all adopts the mode of mechanical lock core, and such design has following defect:

1, the emergency escape door of the ship lift plays an emergency evacuation role, the door lock must be kept in a normally open state, and the mechanical lock cylinder has the conditions of low door opening efficiency, incapability of opening a door due to the fact that a key is easy to forget, and the like, and is basically equivalent to a nominal condition;

2, when personnel need to enter a ship lift ship reception chamber from a tower column, if an adjacent escape door with a wrong elevation (indicating a ship chamber region where the ship chamber is not parked) is opened, a high-altitude falling safety accident is caused;

3, dispatching personnel in a ship lift control room cannot judge the opening and closing condition of the escape door in each area, and only can check the condition in a regular inspection mode, so that the labor cost is increased;

4, if the side escape door of the wrong floor is opened, the ship lift regulating and controlling room has no alarm prompt, and potential safety hazards exist.

Therefore, it is urgently needed to design a self-unlocking escape access control device of a ship lift to solve the problems.

Disclosure of Invention

The utility model aims to solve the technical problem that a ship lift self-unlocking escape access control device is provided, the device has solved current ship lift emergency exits and has adopted mechanical lock core, the inefficiency of unblanking, lack safety protection, can't open and close according to cabin position automatic start-stop, there is the problem of great potential safety hazard, but have the automatic emergency exits of according to cabin position automatic control different elevations and open and close, and can give the real-time transmission of emergency exits open and close state and carry out artifical monitoring and regulation and control in the well accuse room, high durability and convenient use, the higher characteristics of security.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a ship lift self-unlocking escape access control device comprises a plurality of escape doors, wherein the escape doors are arranged at different elevations of a tower column of a ship lift; a position detection device is arranged on one side of the escape door facing the cabin and is electrically connected with the PLC; and the other side of the escape door is provided with an access control mechanism and is electrically connected with the PLC.

Preferably, a channel bottom plate below the ship chamber is connected with a distance sensor, and the distance sensor is electrically connected with the PLC; the PLC controller is Siemens S7-300PLC controller; the distance sensor is a laser range finder.

Preferably, an escape ladder is connected above the ship compartment, and one side of the escape ladder, which faces the escape door, is connected with a signal feedback device to be matched with the position detection device; the signal feedback device and the position detection device can respectively select a receiver and a generator of the photoelectric switch.

Preferably, the entrance guard mechanism comprises a magnetic type door closer connected with the top of the escape door and an emergency door opening button connected with one side of the escape door; the emergency door opening button is sealed through a light and thin transparent shell which can be manually damaged, and the accidental touch can be avoided.

Preferably, magnetism is inhaled formula door closer and emergency door opening button and is all passed through control line and PLC controller electric connection.

Preferably, the top of the escape door is provided with an indicator light, and the indicator light and the switch circuit are electrically connected with the PLC.

Preferably, the PLC is electrically connected with an interactive terminal of the central control system.

The utility model provides a ship lift is from unblock entrance guard's device of fleing's beneficial effect does:

1. the height information of the ship compartment is acquired by arranging the distance sensor at the bottom of the ship compartment to detect the height of the ship compartment, the positions of the ship compartment and the escape ladder can be acquired in real time by combining position detection devices matched with the escape ladders at all escape doors, and whether door opening conditions are met or not can be automatically judged by combining the specific heights of the escape doors; the use is very convenient, the automation degree is high, and manual unlocking is not needed;

2. the high-altitude falling accident caused by opening the escape door at the wrong height by personnel is avoided; compared with the traditional mechanical lock, the door opening convenience and the door access safety are both considered;

3. the opening and closing conditions of the escape door in each area can be remotely obtained, and timely information is obtained for the escape door which is opened or closed abnormally, so that the additional labor cost caused by frequent on-site inspection is avoided;

4. when the escape door of the wrong floor is opened accidentally, the regulation and control room can acquire the information and give an alarm at the first time, so that the potential safety hazard can be checked in time, and the safety accident is avoided.

Drawings

Fig. 1 is a schematic connection diagram of the present invention;

FIG. 2 is a schematic structural view of the escape door of the present invention;

fig. 3 is a control schematic of the present invention;

fig. 4 is a logic block diagram of the controller of the present invention;

the reference numbers in the figures are: magnetic type door closer 1, position detection device 2, signal feedback device 3, mutual terminal 4, PLC controller 5, emergency exits 6, emergency ladder 7, ship box 8, distance sensor 9, control scheme 10, pilot lamp 11, emergency door-opening button 12, ship lift king tower 13.

Detailed Description

As shown in fig. 1 to 4, a self-unlocking escape access control device for a ship lift comprises a plurality of escape doors 6, wherein the escape doors 6 are arranged at different elevations of a tower column 13 of the ship lift; the escape door 6 is provided with a position detection device 2 towards one side of the ship chamber 8, and the position detection device 2 is electrically connected with the PLC 5; the other side of the escape door 6 is provided with an entrance guard mechanism and is electrically connected with the PLC controller 5.

Preferably, a distance sensor 9 is connected to the channel bottom plate below the ship chamber 8, and the distance sensor 9 is electrically connected with the PLC controller 5; the PLC controller 5 is Siemens S7-300PLC controller 5; the distance sensor 9 is a laser distance meter.

Preferably, an escape ladder 7 is connected above the ship chamber 8, and one side of the escape ladder 7, which faces the escape door 6, is connected with a signal feedback device 3 to be matched with the position detection device 2; the signal feedback device 3 and the position detection device 2 can be respectively selected from a receiver and a generator of a photoelectric switch.

Preferably, the entrance guard mechanism comprises a magnetic-type door closer 1 connected to the top of the escape door 6, and an emergency door opening button 12 connected to one side of the escape door 6; the emergency door opening button 12 is closed by a thin transparent casing which can be broken manually, so that it is possible to avoid accidental contact.

Preferably, the magnetic door closer 1 and the emergency door opening button 12 are both electrically connected with the PLC controller 5 through a control line 10.

Preferably, the top of the escape door 6 is provided with an indicator light 11, and the switch circuit connected with the indicator light 11 is electrically connected with the PLC controller 5.

Preferably, the PLC 5 is electrically connected with an interactive terminal 4 of the central control system; the interactive terminal 4 may select a touch screen.

The working principle of the self-unlocking escape access control device of the ship lift is as follows:

the method comprises the steps that the specific positions of a ship chamber 8 and an escape ladder 7 are collected through a position detection device 2 of the escape ladder 7 and a distance sensor 9 detection device below the ship chamber 8, position data are accurately transmitted to a PLC (programmable logic controller) 5 to be processed, after the logic program of the PLC 5 is judged through manual compiling, a switching value is output according to logic locking conditions and safety conditions to automatically control the opening and closing state of an escape door 6 at a stable stopping position of the ship chamber 8, and an emergency unlocking button is arranged, so that the emergency situation can be responded through forced unlocking in situ; the opening/closing state of the escape door 6 is fed back to the spot signal indicator lamp 11 and a man-machine interaction interface of the regulation and control room in real time; the dispatching manager can perform centralized monitoring and operation on the on-site escape doors 6 through a human-computer interaction interface, and the dispatching manager has the functions of opening/closing the escape doors 6 at the designated positions, opening/closing the escape doors 6 in an emergency, opening the corresponding tower escape doors 6 in an emergency and the like.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. A ship lift self-unlocking escape access control device comprises a plurality of escape doors (6), wherein the escape doors (6) are arranged at different elevations of a tower column (13) of a ship lift; the method is characterized in that: a position detection device (2) is arranged on one side of the escape door (6) facing the ship chamber (8), and the position detection device (2) is electrically connected with the PLC (5); the other side of the escape door (6) is provided with an entrance guard mechanism which is electrically connected with the PLC controller (5).

2. The self-unlocking escape access control device of the ship lift according to claim 1, characterized in that: and a channel bottom plate below the ship chamber (8) is connected with a distance sensor (9), and the distance sensor (9) is electrically connected with the PLC (5).

3. The self-unlocking escape access control device of the ship lift according to claim 1, characterized in that: an escape ladder (7) is connected above the ship chamber (8), and one side, facing the escape door (6), of the escape ladder (7) is connected with a signal feedback device (3) to be matched with the position detection device (2).

4. The self-unlocking escape access control device of the ship lift according to claim 1, characterized in that: the entrance guard mechanism comprises a magnetic type door closer (1) connected with the top of the escape door (6) and an emergency door opening button (12) connected with one side of the escape door (6).

5. The self-unlocking escape door control device of the ship lift according to claim 4, characterized in that: magnetic type door closer (1) and emergency door opening button (12) all through control scheme (10) and PLC controller (5) electric connection.

6. The self-unlocking escape access control device of the ship lift according to claim 1, characterized in that: an indicator lamp (11) is arranged at the top of the escape door (6), and the indicator lamp (11) and the switch circuit are electrically connected with the PLC (5).

7. The self-unlocking escape access control device of the ship lift according to claim 1, characterized in that: and the PLC (5) is electrically connected with an interactive terminal (4) of the central control system.