CN214989469U

CN214989469U - Voltage compensation device of outbound display

Info

Publication number: CN214989469U
Application number: CN202120737464.6U
Authority: CN
Inventors: 杨晨曦; 赵晓杰; 赵作栋; 钱锦; 陈冰冰; 朱虹; 钱利清; 钱冲; 郭晓军; 陈亮
Original assignee: Zhejiang Meilun Elevator Co Ltd
Current assignee: Zhejiang Meilun Elevator Co Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-03
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a voltage compensation device of an outbound display, which comprises a machine room distribution box, an internal connection socket at one side of a pit emergency stop box, wherein one end of the socket is connected with an AC220V power input end of a switch power box, the output DC24V of the switch power box is connected with one pin of an output control port arranged inside the pit outbound display, two pins of the output control port arranged inside the pit outbound display are connected with 24V + voltage of a communication cable, one end of the communication cable runs through the whole hoistway and is sequentially connected with a plurality of other floor outbound displays and pit outbound displays, the utility model discloses an outbound display voltage compensation method, fully utilizes the original elevator materials, saves the cost increased by arranging the cable, avoids the pit outbound display and other floor outbound displays from being in a lighting working mode when not in working state, the potential safety operation hazard of the elevator caused by unstable work of the display due to the pressure drop is thoroughly solved.

Description

Voltage compensation device of outbound display

Technical Field

The utility model relates to an elevator technical field specifically is a exhale display voltage compensation arrangement outward.

Background

An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. There are also the step type, the tread plate is installed on the caterpillar track and runs continuously, commonly known as escalator or moving sidewalk, serve the fixed lifting equipment of the prescribed floor, the vertical lift elevator has a car, run between at least two vertical rigid guide rails, the size and structural form of the car are convenient for passengers to come in and go out or load and unload goods, it is customary to use the elevator as the general name of vertical transportation means in the building regardless of its driving mode.

With the appearance of more and more high-rise buildings and more high-rise elevators, but the more floors the high-rise elevators stop, the more outbound displays are per stop, and because the floors are higher and the transmission distance is longer, the larger the voltage drop of cable transmission is, the problem of whether the remote outbound command registration can work normally or not is caused, and the safe operation of the elevators is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a exhale display voltage compensation arrangement outward to solve the floor that the current high-rise elevator that proposes in the above-mentioned background art stops the station more, every stops the station exhale outward the display just more, and because the floor is than higher, transmission distance is longer, and the pressure drop of cable transmission is just also big more, will certainly lead to the problem that whether the instruction registration of exhaling outward of far-end can normally work, influences the safe operation's of elevator problem.

In order to achieve the above object, the utility model provides a following technical scheme: a voltage compensation device of an outbound display comprises a machine room distribution box, the bottom of the machine room distribution box is connected with the interior of a pit emergency stop box through a well lighting cable, the inner part of one side of the pit emergency stop box is connected with a socket, one end of the socket is connected with the AC220V power input end of the switching power supply box, the 0V output end of the switch power supply box is connected with the 0V input end of the communication cable, the output DC24V of the switch power supply box is connected with one pin of an output control port arranged in the pit external calling display, two pins of an output control port arranged in the pit outbound display are connected with the 24V + voltage of the communication cable, one end of the communication cable penetrates through the whole hoistway and is sequentially connected with the plurality of other floor call-out displays and the pit call-out displays, and the other end of the communication cable is connected with a communication interface arranged in the machine room control system.

As a preferred technical scheme of the utility model, one side of computer lab block terminal is connected with the live wire, the opposite side of computer lab block terminal is connected with the zero line.

As an optimal technical scheme of the utility model, computer lab block terminal, pit scram box and socket all provide AC220V power.

As a preferred technical scheme of the utility model, the switching power supply box obtains AC220V power from the socket of pit scram box, and the vary voltage provides the pit and exhales display outside and other floors and exhale display offset voltage for DC 24V.

As an optimized technical scheme of the utility model, communication interface can provide the communication protocol of 24V +, 0V, C +, C-at elevator normal operating condition.

As an optimal technical scheme of the utility model, the display is exhaled outward through communication cable and pit in computer lab control system's bottom and is connected, and DC24V through output control port, switching power supply box is connected or breaks off with communication cable.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an exhale display voltage compensation method outward, the original elevator material of make full use of, thereby need not to relocate power cord to well lower part again from the computer lab, the cost that the arrangement cable increases has been saved greatly, and exhale the display outward through computer lab control system and carry out the control of output control port, it exhales the display outward with other floors when not operating condition to have avoided the pit, be in and light up mode, accomplish to carry out low pressure compensation according to the working requirement, and carry out voltage compensation at voltage drop end, thoroughly solved the lift safe operation hidden danger that the display job stabilization that the pressure drop leads to caused.

Drawings

Fig. 1 is a schematic circuit diagram of the present invention.

In the figure: 1. a machine room distribution box; 2. a pit scram box; 3. a socket; 4. a switching power supply box; 5. a control system; 6. a communication interface; 7. a pit calling-out display; 8. an output control port; 9. other floor call-out displays; 10. a communication cable; 11. a hoistway lighting cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, the utility model provides an exhale display voltage compensation arrangement outward, including computer lab block terminal 1, well lighting cable 11 and the internal connection of pit emergency stop box 2 that is equipped with are passed through to computer lab block terminal 1's bottom, the internal connection socket 3 of pit emergency stop box 2 one side, the one end of socket 3 is connected with the AC220V power input end of switching power supply box 4, the 0V output of switching power supply box 4 is connected with communication cable 10's 0V input, switching power supply box 4 output DC24V is connected with the pit exhale outside the inside output control port 8 that is equipped with of display 7, the pit exhale outside the inside two feet of output control port 8 that are equipped with of display 7 and 24V + voltage connection of communication cable 10, the one end of communication cable 10 runs through whole well and exhale outside display 9 and the pit and exhale outside the display 7 with a plurality of other floors in proper order and be connected, the other end of communication cable 10 is connected with the inside communication interface 6 that is equipped with computer lab control system 5.

Preferably, one side of the machine room distribution box 1 is connected with a live wire, and the other side of the machine room distribution box 1 is connected with a zero wire for outputting and inputting voltage.

Preferably, the machine room distribution box 1, the pit emergency stop box 2 and the socket 3 all provide AC220V power without having to re-run cables from the machine room to the lower middle of the hoistway.

Preferably, the switching power box 4 derives AC220V power from the outlet 3 of the pit emergency stop box 2 and transforms the voltage to DC24V to provide a compensation voltage for the pit outbound display 7 and other floor outbound displays 9.

Preferably, the communication interface 6 CAN provide a 24V +, 0V, C + and C-communication protocol in the normal working state of the elevator, and the protocol CAN be CAN communication or MODBUS communication.

Preferably, the bottom of the machine room control system 5 is connected with the pit outbound display 7 through the communication cable 10, and is connected with or disconnected from the communication cable 10 through the output control port 8 and the DC24V of the switch power supply box 4, when the control system 5 cuts off the power supply and stops working, the output control port 8 of the pit outbound display 7 cuts off the power supply connection of the switch power supply box 4 and the DC24V power supply of the communication cable 10, at this time, the pit outbound display 7 and the other floor outbound displays 9 are in the screen saving state, when the control system 5 is in the power supply working state, the output control port 8 of the pit outbound display 7 is connected with the switch power supply box 4 and is connected with the DC24V power supply of the communication cable 10, at this time, the switch power supply box 4 provides the DC24V compensation voltage for the tail end of the communication cable 10.

When the device is used, the bottom of a machine room distribution box 1 is connected into the interior of a pit emergency stop box 2 through a hoistway lighting cable 11, a socket 3 is arranged in the interior of one side of the pit emergency stop box 2, one end of the socket 3 is connected with an AC220V power input end of a switch power box 4, a 0V output end of the switch power box 4 is connected with a 0V input end of a communication cable 10, an output DC24V of the switch power box 4 is connected with one pin of an output control port 8 arranged in a pit external call display 7, two pins of the output control port 8 are connected with 24V + voltage of the communication cable 10, one end of the communication cable 10 penetrates through the whole hoistway and is sequentially connected with a plurality of other floor external call displays 9 and the pit external call display 7, the other end of the communication cable is connected with a communication interface 6 in the machine room control system 5, the voltage compensation method of the external call display fully utilizes the original elevator materials, so that the device does not need to be placed again from the machine room to the lower part of a power line, the machine room control system 5 is connected with the pit outbound display 7 through the communication cable 10 and is used for cutting off the connection between the DC24V of the switch power box 4 and the communication cable 10 through the output control port 8, when the control system 5 cuts off the power supply and stops working, the output control port 8 of the pit outbound display 7 cuts off the connection between the switch power box 4 and the DC24V power supply of the communication cable 10, at the moment, the pit outbound display 7 and the other floor outbound displays 9 are in a screen state, when the control system 5 is in a power supply working state, the output control port 8 of the pit outbound display 7 is connected with the connection between the switch power box 4 and the DC24V power supply of the communication cable 10, at the moment, the switch power box 4 provides DC24V compensation voltage for the tail end of the communication cable 10, the pit is prevented from exhaling the display 7 and other floors are exhaled the display 9 outside when not in working state, the lighting working mode is adopted, low-voltage compensation is carried out according to working requirements, the pit exhales the display 7 outside and carries out voltage compensation output on the output of the switch power supply box 4 according to the working requirements of the control system 5, voltage compensation is carried out at the tail end of the voltage drop, and the potential safety operation hazard of the elevator caused by unstable working of the display due to the voltage drop is thoroughly solved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a exhale display voltage compensation arrangement outward, includes computer lab block terminal (1), its characterized in that: the bottom of the machine room distribution box (1) is connected with the inner part of the pit emergency stop box (2) through a shaft lighting cable (11), the inner connection socket (3) on one side of the pit emergency stop box (2) is connected with one end of the socket (3) and the AC220V power input end of the switch power box (4), the 0V output end of the switch power box (4) is connected with the 0V input end of the communication cable (10), the switch power box (4) outputs DC24V which is connected with one pin of an output control port (8) arranged in the pit external calling display (7), two pins of the output control port (8) arranged in the pit external calling display (7) are connected with 24V + voltage of the communication cable (10), one end of the communication cable (10) runs through the whole shaft and is sequentially connected with a plurality of other floor external calling displays (9) and the pit external calling display (7), the other end of the communication cable (10) is connected with a communication interface (6) arranged in the machine room control system (5).

2. The outbound display voltage compensation arrangement of claim 1 wherein: one side of the machine room distribution box (1) is connected with a live wire, and the other side of the machine room distribution box (1) is connected with a zero line.

3. The outbound display voltage compensation arrangement of claim 1 wherein: the machine room distribution box (1), the pit emergency stop box (2) and the socket (3) are all provided with an AC220V power supply.

4. The outbound display voltage compensation arrangement of claim 3 wherein: the switching power supply box (4) obtains AC220V power from a socket (3) of the pit emergency stop box (2), and transforms DC24V to provide compensation voltage for the pit outbound display (7) and other floor outbound displays (9).

5. The outbound display voltage compensation arrangement of claim 1 wherein: the communication interface (6) can provide a communication protocol of 24V +, 0V, C + and C-in the normal working state of the elevator.

6. The outbound display voltage compensation arrangement of claim 1 wherein: the bottom of the machine room control system (5) is connected with the pit outbound display (7) through a communication cable (10), and is connected or disconnected with the communication cable (10) through an output control port (8) and a DC24V of the switching power supply box (4).