CN212321741U

CN212321741U - Block terminal detects early warning device

Info

Publication number: CN212321741U
Application number: CN202020605112.0U
Authority: CN
Inventors: 杨爱璜; 张运双; 罗明亚; 海龙; 李洋; 和磊; 和晓华
Original assignee: Lijiang Power Supply Bureau of Yunnan Power Grid Co Ltd)
Current assignee: Lijiang Power Supply Bureau of Yunnan Power Grid Co Ltd)
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-08
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a detection and early warning device for a distribution box, which comprises an analysis processing module, a multi-probe temperature sensor, a humidity sensor, a current transformer, a voltage transformer, an early warning module, a remote communication module and an output display module, wherein the multi-probe temperature sensor, the humidity sensor, the current transformer, the voltage transformer, the early warning module, the remote communication module and the output display module are connected with the analysis processing module; the multi-probe temperature sensor is used for detecting the temperature of the cable joint, the inside and the outside of the distribution box and the distribution equipment; the current transformer and the voltage transformer are arranged on a bus cable of the distribution box; the method comprises the steps that environmental parameters and load parameters inside and outside a distribution box are collected through various sensors, and the collected environmental parameters and the collected load parameters are analyzed through an analysis processing module, so that the corresponding relation between the internal load and the environmental parameters of the distribution box under a certain external environment is obtained, and the maximum safe working load of the distribution box under different environments is deduced; simultaneously through carrying out real-time supervision to block terminal inside for relevant staff can in time handle and avoid the block terminal trouble.

Description

Block terminal detects early warning device

Technical Field

The utility model relates to a block terminal detects technical field, specifically is a block terminal detects early warning device.

Background

The distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, universal application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect. The control center is used for commanding various components in a power supply circuit to reasonably distribute electric energy, is a control link for reliably receiving an upper end power supply and correctly feeding out load electric energy, and is also a key for obtaining whether a user is satisfied with the power supply quality. The improvement of the operation reliability of the power distribution box is a goal of creating quality engineering. Use of the electrical distribution box: the electric energy is reasonably distributed, and the opening and closing operation of the circuit is convenient. The safety protection level is higher, and the conduction state of the circuit can be visually displayed.

The switch board is as direct for being used for distributing the equipment of electric power, in case break down will direct relation to the user can normally use electricity, consequently need carry out real time monitoring and just can ensure distribution safety.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a block terminal detects early warning device can detect environmental information and power load information in the block terminal to send tip information according to the measured data.

The utility model discloses a detection and early warning device for a distribution box, which comprises an analysis processing module, and a multi-probe temperature sensor, a humidity sensor, a current transformer, a voltage transformer, an early warning module, a remote communication module and an output display module which are connected with the analysis processing module; the multi-probe temperature sensor is used for detecting the temperature of the cable joint, the inside and the outside of the distribution box and the temperature of the distribution equipment; the current transformer and the voltage transformer are arranged on a bus cable of the distribution box.

Further, the analysis and analysis processing module is an AT89C51 singlechip.

Furthermore, the analysis processing module is also provided with a relay switch, the relay switch is arranged on a bus cable of the wiring box, and the relay switch is connected with the IO pin of the single chip microcomputer through a switch circuit.

Further, the current transformer is a KH185 open-close type current transformer, and the current transformer and the voltage transformer are connected with an IO pin of the single chip microcomputer through a signal attenuator and a filter rectifier.

Further, the early warning module is an audible and visual alarm, and the audible and visual alarm is connected with an IO pin of the single chip microcomputer through a switch circuit.

Furthermore, the remote communication module is a 4G module, and the 4G module is connected with the serial port of the single chip microcomputer.

Further, the output display module is an LED display screen, and the LED display screen is connected with the single chip microcomputer flat cable.

The utility model has the advantages that: the utility model discloses a block terminal detects early warning device, through multiple sensor to the inside and outside environmental parameter of block terminal and load parameter gather to environmental parameter and the load parameter that gathers are analyzed through analysis processing module, thereby reach the block terminal under certain external environment, the inside load of block terminal and the corresponding relation of environmental parameter, thereby conjecture out the maximum safe work load of block terminal under different environment; simultaneously through carrying out real-time supervision to block terminal inside, can carry out remote suggestion to relevant staff when block terminal internal environment parameter is unusual or the load is too high for relevant staff can in time handle and avoid the block terminal trouble.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a relay switch according to the present invention;

fig. 3 is a schematic structural diagram of the early warning module of the present invention;

Detailed Description

As shown in fig. 1-3: the detection and early warning device for the distribution box comprises an analysis processing module, and a multi-probe temperature sensor, a humidity sensor, a current transformer, a voltage transformer, an early warning module, a remote communication module and an output display module which are connected with the analysis processing module; the multi-probe temperature sensor is used for detecting the temperature of the cable joint, the inside and the outside of the distribution box and the distribution equipment; the current transformer and the voltage transformer are arranged on a bus cable of the distribution box. The method comprises the steps that environmental parameters and load parameters inside and outside a distribution box are collected through various sensors, and the collected environmental parameters and the collected load parameters are analyzed through an analysis processing module, so that the corresponding relation between the internal load and the environmental parameters of the distribution box under a certain external environment is obtained, and the maximum safe working load of the distribution box under different environments is deduced; simultaneously through carrying out real-time supervision to block terminal inside, can carry out remote suggestion to relevant staff when block terminal internal environment parameter is unusual or the load is too high for relevant staff can in time handle and avoid the block terminal trouble.

In this embodiment, the analysis and analysis processing module is an AT89C51 single chip microcomputer, the single chip microcomputer is used to analyze and process information collected by the multi-probe temperature sensor, the humidity sensor, the current transformer and the voltage transformer, and the single chip microcomputer can easily calculate the total load in the distribution box through values measured by the current transformer and the voltage transformer, so as to obtain the total load of all users distributed by the distribution box.

In the embodiment, a triode is used as a switching device, when the IO pin of the singlechip outputs a level signal greater than 0.7V, a collector electrode and an emitter electrode of the triode are conducted, and the relay starts to work; when the temperature or the humidity of the internal and external environment of the distribution box are too high, in order to avoid the damage of distribution equipment, the connection between the transmission cables of the distribution box equipment can be directly disconnected through the relay switch, so that the equipment in the distribution box is protected.

In the embodiment, the current transformer is a KH185 open-close type current transformer which is directly clamped on a bus cable of the distribution box, so that the use is convenient; the current transformer and the voltage transformer are connected with an IO pin of the single chip microcomputer through a signal attenuator and a filter rectifier, and signals output by the current transformer and the voltage transformer are generally larger than the maximum current 20mA and the maximum level 5V which can be received by the IO pin of the single chip microcomputer, so that output signals of the current transformer and the voltage transformer can be directly input into the IO pin of the single chip microcomputer as input signals after being attenuated and filtered and rectified.

In the embodiment, the early warning module is an audible and visual alarm, and the audible and visual alarm is connected with an IO pin of the single chip microcomputer through a switching circuit, in the embodiment, a triode is used as a switching device, when the IO pin of the single chip microcomputer outputs a level signal larger than 0.7V, a collector electrode and an emitter electrode of the triode are conducted, and a relay is started to work; when the temperature or humidity in the block terminal are too high, when distribution equipment in the block terminal can be directly damaged, the audible and visual alarm is directly driven to perform audible and visual warning and the remote communication module performs short message prompting on related workers.

In this embodiment, the remote communication module is the 4G module, and the 4G module is connected with the singlechip serial ports, sends the tip information to relevant staff through mobile network through the 4G module.

In this embodiment, output display module is the LED display screen, and the LED display screen is connected with the singlechip winding displacement, and the LED display screen is used for showing the inside and outside temperature, humidity and the load condition of block terminal, is convenient for provide visual data ization's parameter information to relevant maintainer.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a block terminal detects early warning device which characterized in that: the device comprises an analysis processing module, and a multi-probe temperature sensor, a humidity sensor, a current transformer, a voltage transformer, an early warning module, a remote communication module and an output display module which are connected with the analysis processing module; the multi-probe temperature sensor is used for detecting the temperature of the cable joint, the inside and the outside of the distribution box and the temperature of the distribution equipment; the current transformer and the voltage transformer are arranged on a bus cable of the distribution box.

2. The distribution box detection and early warning device according to claim 1, characterized in that: the analysis and analysis processing module is an AT89C51 singlechip.

3. The distribution box detection and early warning device according to claim 2, characterized in that: the analysis processing module is also provided with a relay switch, the relay switch is arranged on a bus cable of the wiring box, and the relay switch is connected with the IO pin of the single chip microcomputer through a switch circuit.

4. The distribution box detection and early warning device according to claim 2, characterized in that: the current transformer is a KH185 open-close type current transformer, and the current transformer and the voltage transformer are connected with an IO pin of the single chip microcomputer through a signal attenuator and a filter rectifier.

5. The distribution box detection and early warning device according to claim 2, characterized in that: the early warning module is an audible and visual alarm which is connected with an IO pin of the single chip microcomputer through a switch circuit.

6. The distribution box detection and early warning device according to claim 2, characterized in that: the remote communication module is a 4G module, and the 4G module is connected with the serial port of the single chip microcomputer.

7. The distribution box detection and early warning device according to claim 2, characterized in that: the output display module is an LED display screen, and the LED display screen is connected with the single chip microcomputer flat cable.