CN210923907U

CN210923907U - High-voltage switch quick mechanism running-in experiment intelligent control system

Info

Publication number: CN210923907U
Application number: CN201921704101.1U
Authority: CN
Inventors: 王博; 许霞; 苏崇营; 葛仿
Original assignee: Shandong Taikai Intelligent Power Distribution Co ltd
Current assignee: Shandong Taikai Intelligent Power Distribution Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-03
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a high-voltage switch quick mechanism running-in experiment intelligent control system, which relates to the field of power equipment experiment control, and comprises a PLC (programmable logic controller) taking a running-in experiment tool as a setting basis, a touch screen, a current detection unit and a temperature detection unit, wherein a platinum thermal resistor and a feed-through mutual inductor are arranged on a motor of the high-voltage switch quick mechanism and are connected with the PLC, an effective temperature value and an effective current value are obtained by real-time detection, the running state of the motor in the running-in experiment process is judged, corresponding measures are taken for the situations of motor stalling, motor overheating and the like, the automatic switching-on and switching-off of the high-voltage switch quick mechanism are controlled, the functions of parameter setting, state display, data recording and storage, fault alarm, experiment completion reminding, upper computer remote control, mobile phone monitoring function and the like are realized, the automatic control capability is strong, and the running-in experiments of a, the number and the workload of personnel and the experiment cost are greatly reduced.

Description

High-voltage switch quick mechanism running-in experiment intelligent control system

Technical Field

The utility model relates to a power equipment experiment control field, specific high tension switchgear fast mechanism break-in experiment intelligence control system that says so.

Background

The high-voltage switch quick mechanism needs to carry out 200 running-in experiments before leaving a factory so as to achieve good mechanical characteristics.

The prior high-pressure quick mechanism running-in experiment has the following defects: only the motor and the travel switch act during the experiment, and the running-in experiment tool lacks necessary protection measures, so that the motor is locked up and burnt, and a worker needs to attend the motor, thereby wasting resources and manpower; the motor is lack of necessary cooling measures, and the situation that the motor is burnt due to overheating of the motor can occur in the experimental process; the running-in experiment tool only has a counting function, cannot achieve the function of automatic stop after reaching the required experiment times, needs a special person to watch, and manually stops the experiment after reaching the requirement.

Disclosure of Invention

For solving the technical problem that above-mentioned exists, the utility model provides a high tension switchgear fast mechanism intelligence break-in experiment platform improves the efficiency and the experimental security of high tension switchgear fast mechanism break-in experiment.

The utility model provides a technical scheme that its technical problem adopted is:

an intelligent control system for a running-in experiment of a high-voltage switch quick mechanism comprises a PLC, a touch screen, a current detection unit and a temperature detection unit which are arranged on the basis of a running-in experiment tool, wherein the touch screen, the current detection unit and the temperature detection unit are respectively connected with the PLC through signal lines, a platinum thermal resistor is fixedly arranged on a motor of each high-voltage switch quick mechanism, a motor power supply loop is provided with a through mutual inductor in a penetrating way, during the experiment, the current detection unit is respectively connected with a plurality of groups of through mutual inductors to obtain an effective current value to be transmitted to the PLC, the temperature detection unit is respectively connected with a plurality of groups of platinum thermal resistors to obtain an effective temperature value of the motor to be transmitted to the PLC, the PLC automatically controls a contactor of the high-voltage switch quick mechanism through information integration to realize switching-on and switching-off of the groups of high-voltage switch quick mechanisms, the experiment is automatically stopped; the PLC judges whether motor stalling and motor overheating occur or not according to the effective current value and the effective temperature value, automatically takes actions of cutting off a power supply, alarming and adjusting the experiment speed, the touch screen is used for realizing related parameter setting, state display and alarm display, the PLC is connected with an upper computer through a network, experiment data are transmitted and recorded in real time, and the experiment process and data of the experiment data are monitored on the mobile phone in real time through a mobile phone communication network.

The PLC sets a critical temperature value of the motor, when the actual temperature of the motor is lower than the critical temperature value, the motor performs an experiment at a normal speed, and when the actual temperature of the motor is higher than the critical temperature value, the PLC waits for the temperature of the motor to be reduced to be lower than the critical temperature value after completing a running-in experiment, and then performs the next running-in experiment.

The PLC employed siemens SMART 200.

The touch screen adopts a Siemens SMART1000 IE touch screen.

The utility model discloses simple structure, set up platinum resistance and straight-through mutual-inductor on high tension switchgear's motor, and be connected with PLC, effective temperature value and the effective current value that obtains through real-time detection, judge the running state of motor in the break-in experimentation, and to the motor locked rotor that appears, corresponding measure is taken to the condition such as motor overheat, the automatic break-in and break-off of control high tension switchgear's quick-operation body, and realize parameter setting, status display, data record and storage, fault alarm, the experiment is accomplished and is reminded, functions such as host computer remote control and cell-phone monitoring function, automatic control ability is strong, can carry out the break-in experiment of multiple equipment simultaneously, greatly reduced personnel's quantity and work load and experimental cost, the efficiency and the security of break-in experiment have been improved, the performance and the quality that high tension switchgear quick-operation body dispatched from the factory have been guaranteed.

Drawings

Fig. 1 is a schematic view of the present invention.

Detailed Description

The invention is described in detail below with reference to the following figures and specific embodiments:

as shown in fig. 1, an intelligent control system for running-in experiments of high-voltage switch quick mechanisms comprises a PLC1, a touch screen 2, a current detection unit 3 and a temperature detection unit 5 which are based on a running-in experiment tool, wherein the touch screen 2, the current detection unit 3 and the temperature detection unit 5 are respectively connected with a PLC1 through signal lines, a platinum thermal resistor 7 is fixedly arranged on a motor of each high-voltage switch quick mechanism, a motor power supply loop penetrates through a feedthrough type mutual inductor 6, during experiments, the current detection unit 3 is respectively connected with a plurality of groups of feedthrough type mutual inductors 6 to obtain effective current values and transmit the effective current values to a PLC1, the temperature detection unit 5 is respectively connected with a plurality of groups of platinum thermal resistors 7 to obtain effective temperature values of the motor and transmit the effective temperature values to the PLC1, the PLC1 automatically controls contactors of the high-voltage switch quick mechanisms through information integration to realize switching on and off of the plurality of groups of, the experiment times are automatically recorded, and the experiment is automatically stopped when the experiment times are reached; PLC1 judges whether motor lock-rotor, the overheated condition of motor appear according to effective current value and effective temperature value, takes the action of cutting off the power, reporting to the police, regulation experiment speed automatically, touch-sensitive screen 2 is used for realizing relevant parameter setting, status display, warning display, PLC1 is connected with host computer 8 through the network, real-time transmission experimental data and record, acquires experimental data through cell-phone communication network and monitors experimentation and data on cell-phone 9 in real time.

As a preferable mode, in this embodiment, the PLC1 sets a critical temperature value of the motor, when the actual temperature of the motor is lower than the critical temperature value, the motor performs an experiment at a normal speed, and when the actual temperature of the motor is higher than the critical temperature value, the PLC1 waits for the temperature of the motor to fall below the critical temperature value after completing a running-in experiment, and then performs a next running-in experiment.

Preferably, in this embodiment, the PLC1 is a siemens SMART 200.

Preferably, in this embodiment, the touch screen 2 is a siemens SMART1000 IE touch screen.

In this embodiment, set up entire system in independent cabinet 4, including PLC1 and relevant electrical component, touch-sensitive screen 2 sets up in the surface of the cabinet body 4, is connected with PLC1, lays relevant electrical component according to actual space size in the cabinet body 4, designs the interior relevant circuit of integrated certain quantity of high-voltage switch quick mechanism running-in experiment and components and parts of a

cabinet body

4, and 6 high-voltage switch quick mechanisms of the internal connection of control cabinet in this embodiment are run-in simultaneously and are tested. Platinum thermal resistors 7 are fixedly arranged on a motor of the high-voltage switch quick mechanism respectively, a feed-through mutual inductor 6 is arranged on a power supply loop of the motor in a penetrating mode, and the feed-through mutual inductor is connected with the PLC1 through an MODBUS through a signal wire.

The PLC1 loads a control program to control the on-off of a travel switch contactor of the running-in experiment tool, the on-off of 6 high-voltage switch quick mechanisms is realized, the experiment times are automatically recorded, and the experiment is automatically stopped when the set experiment times are reached.

The straight-through mutual inductor 6 collects current signals, obtains current effective values after calculation processing, uploads to PLC1 through MODBUS bus respectively, PLC 1's control program judges whether the motor has the circumstances of locked rotor according to the electric current size, in case the locked rotor circumstances takes place, stops the action immediately and cuts off relevant power to show the warning through touch-sensitive screen 2, remind the experimenter to handle the trouble, a trouble does not influence the normal operating of other equipment.

Platinum resistance 7 realizes the temperature acquisition and the control to the motor, platinum resistance 7 pastes in the motor outside, converts temperature signal into the signal of telecommunication to convert it into the temperature value, uploads PLC1 through the MODBUS bus, PLC1 is according to each motor temperature value automatically regulated experiment speed, and when motor actual temperature value was less than the critical temperature who sets up, the motor went on according to normal experiment speed, when motor temperature was greater than the critical temperature who sets up, then waited for after the running-in experiment motor temperature to fall below the critical temperature, carries out the next running-in experiment again, until accomplishing and sets for the experiment number of times.

The functions of relevant parameter setting, experiment state display, alarm display and the like are realized on the touch screen 2, the data of the PLC1 are uploaded to the 4G network through the DTU, and the upper computer 8 can acquire real-time data of an experiment process through the network and record important information.

Design the APP of relevant experiment, relevant personnel's cell-phone 9 obtains experimental data through mobile network and APP, realizes cell-phone control experimentation.

The whole experiment system integrates the simultaneous experiment of multiple devices, and carries out real-time monitoring on the process, and record and store related data, no matter on site, modes such as upper computer or mobile phone can both monitor the whole experiment process, the running-in experiment problem of each high-voltage switch quick mechanism can be found immediately, and corresponding measures are taken automatically, the workload of operators is greatly reduced, the experiment efficiency is improved, the production cost caused by burning out a motor is reduced, the quality and the performance of the experimental device are guaranteed, the intelligent degree is high, and the intelligent high-voltage switch quick mechanism is suitable for large-scale popularization and application.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. The intelligent control system for the running-in experiment of the high-voltage switch quick mechanism is characterized by comprising a PLC (1), a touch screen (2), a current detection unit (3) and a temperature detection unit (5) which are based on a running-in experiment tool, wherein the touch screen (2), the current detection unit (3) and the temperature detection unit (5) are respectively connected with the PLC (1) through signal lines, a platinum thermal resistor (7) is fixedly arranged on a motor of each high-voltage switch quick mechanism, a motor power supply loop penetrates through a core-penetrating mutual inductor (6), during the experiment, the current detection unit (3) is respectively connected with a plurality of groups of core-penetrating mutual inductors (6) to obtain effective current values and transmit the effective current values to the PLC (1), the temperature detection unit (5) is respectively connected with a plurality of groups of platinum thermal resistors (7) to obtain effective temperature values of the motor and transmit the effective temperature values to the PLC (1), and the PLC (, the contactor of the high-voltage switch quick mechanism is automatically controlled, switching-on and switching-off of a plurality of groups of high-voltage switch quick mechanisms are realized, the experiment times are automatically recorded, and the experiment is automatically stopped when the experiment times are reached; PLC (1) judges whether motor stalling and motor overheating occur according to effective current value and effective temperature value, automatically takes the actions of cutting off the power supply, alarming and adjusting the experiment speed, touch screen (2) is used for realizing relevant parameter setting, state display and alarm display, PLC (1) is connected with an upper computer (8) through a network, transmits experiment data in real time and records the experiment data, and acquires the experiment data through a mobile phone communication network to monitor the experiment process and data on a mobile phone (9) in real time.

2. The intelligent control system for the running-in experiment of the high-voltage switch quick mechanism is characterized in that the PLC (1) sets a critical temperature value of the motor, when the actual temperature of the motor is lower than the critical temperature value, the motor performs the experiment at a normal speed, and when the actual temperature of the motor is higher than the critical temperature value, the running-in experiment is completed and then the next running-in experiment is performed after the temperature of the motor is reduced to be lower than the critical temperature value.

3. The intelligent control system for the running-in experiment of the high-voltage switch quick mechanism is characterized in that the PLC (1) adopts Siemens SMART 200.

4. The intelligent control system for the running-in experiment of the high-voltage switch quick mechanism is characterized in that the touch screen (2) is a Siemens SMART1000 IE touch screen.