CN211790380U

CN211790380U - Low-voltage protection device with trolley advance and retreat control and video monitoring functions

Info

Publication number: CN211790380U
Application number: CN202020443751.1U
Authority: CN
Inventors: 都国权; 刘光庆
Original assignee: Shanghai Quanxiang Electric Technology Co ltd
Current assignee: Shanghai Quanxiang Electric Technology Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-27
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a low-voltage protection device with functions of trolley advance and retreat control and video monitoring, the low-voltage protection device is respectively electrically connected with a breaker advance and retreat control module and a video monitoring head, the breaker advance and retreat control module drives the advance and retreat trolley to move, a breaker dynamic contact is arranged on the advance and retreat trolley, the advance and retreat trolley is arranged in a trolley guide rail, the breaker dynamic contact comprises a breaker outgoing line dynamic contact and a breaker incoming line dynamic contact, the wiring cavity static self-tightening hoop comprises a wiring cavity outgoing line static self-tightening hoop and a wiring cavity incoming line static self-tightening hoop, when the advance and retreat trolley advances to the maximum stroke, the breaker outgoing line dynamic contact and the breaker incoming line dynamic contact are respectively in line with the wiring cavity outgoing line static, the static self-tightening of wiring chamber inlet wire corresponds the connection, and the video monitoring head sets up in the static self-tightening of circuit breaker dynamic contact and wiring chamber between. The utility model discloses a separation state reliably provides the safety guarantee for the staff overhauls next stage equipment.

Description

Low-voltage protection device with trolley advance and retreat control and video monitoring functions

Technical Field

The utility model relates to a low pressure protection device specifically is a low pressure protection device who possesses dolly advance and retreat control and video surveillance function.

Background

The current mine power supply system has the following technical problems: the original distributed vacuum circuit breaker of the feed switch, the reactor, the protector, the control transformer and the like are directly connected with the inlet and outlet wiring terminals through bolts, so that the problems of inconvenient maintenance and replacement and long replacement and maintenance time exist under the condition that devices such as the circuit breaker and the like have faults; particularly, under the condition that the insulation degree of a vacuum tube of the vacuum circuit breaker is reduced due to adhesion or air leakage, the current-stage equipment is subjected to switching-off through a corresponding device, but a dangerous voltage still exists at a wire outlet end, so that inconvenience and even electric shock danger are brought to workers for overhauling lower-stage electric equipment, and inconvenience is brought to the management and safe production of a mine power supply system.

In order to overcome the defects existing in the prior art, the utility model provides a new technical scheme: a low voltage protection device with a car advance and retreat control and video monitoring function.

Disclosure of Invention

An object of the utility model is to provide a low pressure protection device who possesses dolly advance and retreat control and video monitoring function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a low-voltage protection device with functions of trolley advancing and retreating control and video monitoring comprises a low-voltage protection device, a breaker advancing and retreating control module, a breaker dynamic contact, a wiring cavity static self-tightening hoop, an advancing and retreating trolley, a trolley guide rail and a video monitoring head, wherein the low-voltage protection device is electrically connected with the breaker advancing and retreating control module and the video monitoring head respectively, the breaker advancing and retreating control module drives the advancing and retreating trolley to move, a breaker dynamic contact is mounted on the advancing and retreating trolley, the advancing and retreating trolley is arranged in the trolley guide rail and comprises a breaker outgoing line dynamic contact and a breaker incoming line dynamic contact, the wiring cavity static self-tightening hoop comprises a wiring cavity outgoing line static self-tightening hoop and a wiring cavity incoming line static self-tightening hoop, when the advancing and retreating trolley advances to the maximum stroke, the breaker outgoing line, The static self-tightening of wiring chamber inlet wire corresponds the connection, and the video monitoring head sets up in the static self-tightening of circuit breaker dynamic contact and wiring chamber between.

As a further aspect of the present invention: the circuit breaker advance and retreat control module comprises a pin I of V + voltage, a port five of an retreat position signal, a port six of a carry position signal, a port seven of an retreat control instruction, a port eight of an entering control instruction, a pin ten of an retreat control relay, a pin eleven of the retreat control relay, a pin twelve of the entering control relay and a pin thirteen of the entering control relay; the pin I and the port seven close control the pin ten and the pin eleven to be closed, and the pin I and the port five close control the pin ten and the pin eleven to be opened; pin one and port eight close control pin twelve and pin thirteen close, pin one and port six close control pin twelve and pin thirteen open.

As a further aspect of the present invention: the circuit breaker advance and retreat control module is provided with a liquid crystal display screen for displaying the position information of the circuit breaker, a pin fifteen positive to the video monitoring head, a pin sixteen negative to the video monitoring head and a pin seventeen of the video monitoring head IN; and the pin fifteen, the pin sixteen and the pin seventeen are connected with the video monitoring head.

As a further aspect of the present invention: the circuit breaker advance and retreat control module is provided with pin nineteen of communication interface a and pin twenty of communication interface B, and the low-voltage protection device is provided with communication interface A and communication interface B which are correspondingly connected with pin nineteen and pin twenty in a communication mode.

As a further aspect of the present invention: the advancing and retreating trolley is driven by a control motor.

Compared with the prior art, the beneficial effects of the utility model are that: the man-machine interaction interface of the novel low-voltage intelligent comprehensive protection device can display the electrical parameters and the real-time video monitoring pictures of the switch on an industrial control screen, the split screen display is not needed, and the cost and the failure probability are reduced. The novel low-voltage intelligent comprehensive protection device can control the circuit breaker to reliably work in an entering state, and reliably break in a separating state to provide safety for personnel to overhaul next-level equipment; the novel low-voltage intelligent comprehensive protection device can provide electrical parameters and video pictures of the real-time on-off state of the circuit breaker; the communication system provides real-time working state information of the switch for ground monitoring and dispatching workers, and guarantees high-efficiency and safe production of the coal mine.

Drawings

Fig. 1 is a schematic connection diagram of a low voltage protection device with a trolley advance and retreat control and video monitoring function.

Fig. 2 is an electrical schematic diagram of a circuit breaker advance and retreat control module in a low voltage protection device with a trolley advance and retreat control function and a video monitoring function.

In the figure: the system comprises a 1-low voltage protection device, a 2-circuit breaker advance and retreat control module, a 3-circuit breaker dynamic contact, a 301-circuit breaker outgoing line dynamic contact, a 302-circuit breaker incoming line dynamic contact, a 4-wiring cavity static self-tightening hoop, a 401-wiring cavity outgoing line static self-tightening hoop, a 402-wiring cavity incoming line static self-tightening hoop, a 5-advance and retreat trolley, a 6-trolley guide rail and a 7-video monitoring head.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-2, a low voltage protection device with functions of trolley advancing and retreating control and video monitoring comprises a low voltage protection device 1, a breaker advancing and retreating control module 2, a breaker dynamic contact 3, a wiring cavity static self-tightening hoop 4, an advancing and retreating trolley 5, a trolley guide rail 6 and a video monitoring head 7, wherein the low voltage protection device 1 is electrically connected with the breaker advancing and retreating control module 2 and the video monitoring head 7 respectively, the breaker advancing and retreating control module 2 drives the advancing and retreating trolley 5 to move, the breaker dynamic contact 3 is mounted on the advancing and retreating trolley 5, the advancing and retreating trolley 5 is arranged in the trolley guide rail 6, the breaker dynamic contact 3 comprises a breaker outlet dynamic contact 301 and a breaker inlet dynamic contact 302, the wiring cavity static self-tightening hoop 4 comprises a wiring cavity outlet static self-tightening hoop 401 and a wiring cavity inlet static self-tightening hoop 402, and the breaker outlet dynamic contact 301 comprises a, The circuit breaker inlet wire dynamic contact 302 is correspondingly connected with a wiring cavity outlet wire static self-tightening hoop 401 and a wiring cavity inlet wire static self-tightening hoop 402 respectively, and the video monitoring head 7 is arranged between the circuit breaker dynamic contact 3 and the wiring cavity static self-tightening hoop 4;

the specific structure of the circuit breaker advance and retreat control module 2 is not limited, in this embodiment, preferably, the circuit breaker advance and retreat control module 2 includes a pin one of 24V + voltage, a port five of retreat position signal, a port six of carry position signal, a port seven of retreat control command, a port eight of enter control command, a pin ten of retreat control relay, a pin eleven of retreat control relay, a pin twelve of enter control relay and a pin thirteen of enter control relay; the pin I and the port seven close control the pin ten and the pin eleven to be closed, and the pin I and the port five close control the pin ten and the pin eleven to be opened; the pin I and the port eight close control the pin twelve and the pin thirteen to be closed, and the pin I and the port six close control the pin twelve and the pin thirteen to be opened;

the specific transmission mode of the video monitoring head 7 is not limited, IN this embodiment, preferably, the circuit breaker advance and retreat control module 2 is provided with a liquid crystal display screen for displaying the position information of the circuit breaker, a pin fifteen positive to the video monitoring head 7, a pin sixteen negative to the video monitoring head 7, and a pin seventeen to the video monitoring head 7 IN; pin fifteen, pin sixteen and pin seventeen are connected with the video monitoring head 7;

example 2

As another implementation manner of embodiment 1, this embodiment is further improved on the basis of embodiment 1, in which a nineteen pin of a communication interface a and a twenty pin of a communication interface B are arranged on the circuit breaker advance and retreat control module 2, and a communication interface a and a communication interface B which are in corresponding communication connection with the nineteen pin and the twenty pin are arranged on the low-voltage protection device 1;

the driving mode of the advancing and retreating trolley 5 is not limited, and in the embodiment, preferably, the advancing and retreating trolley 5 is driven by a control motor;

the utility model discloses a theory of operation is: when the low-voltage protection device 1 detects that the circuit breaker is in an opening standby state; a seventh port of the circuit breaker advance and retreat control module 2 is closed with the first pin, an exit control relay (a tenth pin and an eleventh pin) of the circuit breaker advance and retreat control module 2 is closed, and the motor is controlled to run by power; the advance and retreat trolley 5 retreats along the trolley guide rail 6, the dynamic contact 3 of the circuit breaker retreats from the static self-tightening hoop 4 of the wiring cavity until the port five of the advance and retreat control module 2 of the circuit breaker and the travel switch connected with the pin I are closed, and the retreat control relay (pin ten and pin eleven) is opened to control the motor to stop when power is lost. The dynamic contact 3 of the circuit breaker is separated from the static self-tightening hoop 4 of the wiring cavity; the real-time picture that the video monitoring head 7 was shot conveys liquid crystal display, can guarantee that the load that circuit breaker and switch were taken is in reliable outage state, and the staff of this platform switch and subordinate's load can carry out safe maintenance work.

The low-voltage protection device 1 detects that the circuit breaker is in an opening standby state; a port eight of the circuit breaker advance and retreat control module 2 is closed with a pin I, an entry control relay (a pin twelve and a pin thirteen) of the circuit breaker advance and retreat control module 2 is closed, and a motor is controlled to be powered on to operate; the advance and retreat trolley 5 advances along the trolley guide rail 6, the dynamic contact 3 of the circuit breaker slowly enters the static self-tightening hoop 4 of the wiring cavity until the travel switch connected with the port six and the pin I of the advance and retreat control module 2 of the circuit breaker is closed, and the entrance control relay (pin twelve and pin thirteen) is opened to control the motor to stop when power is lost. The dynamic contact 3 of the circuit breaker is reliably connected with the static self-tightening hoop 4 of the wiring cavity; the real-time picture shot by the video monitoring head 7 is transmitted to the liquid crystal display screen, so that the circuit breaker can be ensured to enter a working state, and the switch can be switched on to enter a feed running state; the lower stage load is powered on to operate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A low-voltage protection device with functions of trolley advancing and retreating control and video monitoring is characterized by comprising a low-voltage protection device (1), a breaker advancing and retreating control module (2), a breaker dynamic contact (3), a wiring cavity static self-tightening hoop (4), an advancing and retreating trolley (5), a trolley guide rail (6) and a video monitoring head (7), wherein the low-voltage protection device (1) is respectively electrically connected with the breaker advancing and retreating control module (2) and the video monitoring head (7), the breaker advancing and retreating control module (2) drives the advancing and retreating trolley (5) to move, the breaker dynamic contact (3) is installed on the advancing and retreating trolley (5), the advancing and retreating trolley (5) is arranged in the trolley guide rail (6), the breaker dynamic contact (3) comprises a breaker outgoing line dynamic contact (301) and a breaker incoming line dynamic contact (302), the wiring cavity static self-tightening hoop (4) comprises a wiring cavity outgoing line static self-tightening hoop (401) and a wiring cavity incoming line static self-, when the advance and retreat trolley (5) advances to the maximum stroke, the dynamic contact (301) of the outgoing line of the circuit breaker and the dynamic contact (302) of the incoming line of the circuit breaker are correspondingly connected with the static self-tightening hoop (401) of the outgoing line of the wiring cavity and the static self-tightening hoop (402) of the incoming line of the wiring cavity respectively, and the video monitoring head (7) is arranged between the dynamic contact (3) of the circuit breaker and the static self-tightening hoop (4) of the wiring cavity.

2. The low voltage protection device with the functions of car forward and backward control and video surveillance as claimed in claim 1, wherein the breaker forward and backward control module (2) comprises pin one of 24V + voltage, port five of backward position signal, port six of carry position signal, port seven of backward control command, port eight of entry control command, pin ten of backward control relay, pin eleven of backward control relay, pin twelve of entry control relay and pin thirteen of entry control relay; the pin I and the port seven close control the pin ten and the pin eleven to be closed, and the pin I and the port five close control the pin ten and the pin eleven to be opened; pin one and port eight close control pin twelve and pin thirteen close, pin one and port six close control pin twelve and pin thirteen open.

3. The low voltage protection device with the trolley advancing and retreating control and the video monitoring function according to claim 1 or 2, wherein the breaker advancing and retreating control module (2) is provided with a liquid crystal display screen for displaying the position information of the breaker, a pin fifteen which is positive to the video monitoring head (7), a pin sixteen which is negative to the video monitoring head (7) and a pin seventeen which is IN the video monitoring head (7); pin fifteen, pin sixteen and pin seventeen are connected with a video monitoring head (7).

4. The low voltage protection device with the functions of car forward and backward control and video monitoring as claimed in claim 3, wherein the circuit breaker forward and backward control module (2) is provided with nineteen pins of the communication interface a and twenty pins of the communication interface B, and the low voltage protection device (1) is provided with the communication interface A and the communication interface B which are correspondingly connected with the nineteen pins and the twenty pins in a communication way.

5. The low voltage protection device with trolley advancing and retreating control and video monitoring functions according to claim 4, wherein the advancing and retreating trolley (5) is driven by a control motor.