CN219042005U

CN219042005U - Simulation heating system

Info

Publication number: CN219042005U
Application number: CN202223236607.9U
Authority: CN
Inventors: 邓益民; 张�成; 庞正; 张佳
Original assignee: Training Center of State Grid Zhejiang Electric Power Co Ltd
Current assignee: Training Center of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-16
Anticipated expiration: 2032-12-02

Abstract

In order to solve the problem that the fault training of a power transmission line is inconvenient in the prior art, the utility model provides a simulated heating system, and the technical scheme for solving the technical problem comprises a test frame, a simulated insulator, a heating component and a temperature control component. The utility model can simulate heating of the uncharged circuit, has adjustable heating temperature, is suitable for fault simulation tests of different types of metal appliances, and is convenient to use.

Description

Simulation heating system

Technical Field

The utility model belongs to the technical field of power transmission line fault training, and particularly relates to a simulated heating system.

Background

Because the power transmission line runs in the wild for a long time and is easily affected by natural disasters and artificial damages, faults such as strand breakage, wire breakage and the like are caused. Such faults often accompany partial discharge and abnormal heating phenomena, so that the physical and chemical properties of materials are damaged, and the operation safety of a power grid is affected. In order to reduce accidents, corresponding training is needed for workers in advance, but the transmission line is directly used for simulating various working conditions for detection, so that permanent capacity loss of the line is caused, and the defects that long-time repeated testing is not suitable, fault state simulation is difficult, repeatability and controllability are poor and the like are overcome.

Disclosure of Invention

In order to solve the problem that the fault training of the power transmission line is inconvenient in the prior art, the utility model provides a simulated heating system which can simulate heating of an uncharged line, has adjustable heating temperature, is suitable for fault simulation tests of different types of metal appliances, and is convenient to use.

The utility model provides a simulated heating system, which solves the technical problems and comprises a test frame, a simulated insulator, a heating component and a temperature control component, wherein the simulated insulator is arranged on the test frame, the heating component comprises a heating belt and a heating chip, the heating chip is connected with the heating belt in a charged manner, the temperature control component comprises a temperature control chip and a temperature measuring probe, the temperature measuring probe is arranged on the inner side of the heating belt, the temperature measuring probe is connected with the temperature control chip in a communication manner, and the temperature control chip is connected with the heating chip in a communication manner. The utility model can simulate the heating of the heating fault of the power transmission line, so that students can know the real heating condition of the power transmission line as much as possible through simulation, the purpose of timely finding and timely processing the heating point of the power transmission line at high altitude can be achieved through the infrared temperature sensing technology of the unmanned aerial vehicle.

Preferably, the test rack is provided with a mounting bracket, one end of the mounting bracket is rotationally connected to the test rack, the mounting bracket is provided with a mounting plate, and a plurality of simulation insulators are mounted on the mounting plate. The rotation connection of the mounting bracket can enable the simulation insulator to swing, simulation of a swinging scene is achieved, synchronous heating can be carried out on a plurality of simulation insulators simultaneously in simulation experiments, simultaneous simulation of a plurality of different temperatures is achieved, and training efficiency is improved.

Preferably, the heating component comprises an outer shell, a heat dissipation hole is formed in the outer shell, the heating chip is integrally arranged in the shell, a PWM module is arranged on the heating chip, and the PWM module is electrically connected with the heating chip. The heating belt is heated by electric heating, wherein the heating is mainly realized by the PWM module, the PWM module can control the duty ratio of PWM output waveforms, and the heating speed of the heating belt is controlled, so that the temperature of a heating part is kept at the set temperature.

Preferably, a power supply interface is arranged on the outer shell, and the power supply interface is connected to a 220V power supply.

Preferably, the temperature control component comprises a display screen and a communication unit, and the communication unit adopts a LORA wireless module.

Preferably, the display screen is a touch screen of a large color serial port screen. And the method is convenient for students to modify and edit parameters.

Preferably, the heating belt comprises a heating belt, and the heating belt is fixed on the simulation insulator. The fixity of winding and fixing the heating belt is improved, and the heating efficiency is improved.

Preferably, the temperature measuring probe is adhered to the heating belt and arranged at a position close to one end head of the heating belt. The temperature measuring probe can be closer to the fault simulation position, and the accuracy of temperature detection is improved.

Preferably, the heating belt is made of glass fiber. The heating belt has good insulativity, heat resistance, corrosion resistance and mechanical strength.

In summary, the technical scheme of the utility model has at least the following beneficial effects:

1. the abnormal heating of the fault point of the power transmission line is simulated in a heating mode, so that students can conveniently detect the heating point through the unmanned aerial vehicle, and further the inspection efficiency and accuracy of the fault point on the overhead power transmission line can be improved;

2. the metal appliances of different types can be wound by arranging the heating belt, and the heating belt can be suitable for heating different shapes and positions by winding, so that the adaptability is wide;

3. through having set up the mounting, can fix winding heating band, avoid loosely, improved heating process's stability and heating efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the heating belt of the present utility model in an expanded state;

FIG. 3 is a schematic view of the structure of the fastener of the present utility model;

fig. 4 is a schematic view showing a state of winding the heating belt according to the present utility model.

In the figure: 1. a test stand; 2. simulating an insulator; 3. a heating member; 31. a heating belt; 4. a temperature control member; 41. a temperature measurement probe; 5. a fixing member; 6. a heat radiation hole; 7. and a display screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a simulated heating system, which is used for simulating abnormal heating conditions of fault points of an overhead power transmission line, because the overhead power transmission line generally needs a worker to carry out inspection and examination through a thermal imaging system of an unmanned aerial vehicle, how the worker can accurately find the fault points of the power transmission line needs training and learning, the simulated heating system enables a training student to carry out simulated inspection on heating positions through heating simulation on various different devices on the power transmission line, improves the searching efficiency of the fault heating points in actual working, and comprises a test frame 1, a simulated insulator 2, a heating part 3 and a temperature control part 4, wherein the simulated insulator 2 is arranged on the test frame 1, the heating part 3 comprises a heating belt 31 and a heating chip, the heating chip is electrically connected with the heating belt 31, the temperature control part 4 comprises a temperature control chip and a temperature measurement probe 41, the temperature measurement probe 41 is arranged on the inner side of the heating belt 31, and the temperature control chip is in communication connection. The utility model can simulate the heating of the heating fault of the power transmission line, so that students can know the real heating condition of the power transmission line as much as possible through simulation, the purpose of timely finding and timely processing the heating point of the power transmission line at high altitude can be achieved through the infrared temperature sensing technology of the unmanned aerial vehicle, the heating belt 31 in the simulation heating device is used for winding and wrapping the fault position to be simulated, then the heating belt 31 is heated through the heating component 3 by adopting electric heating, and further the heating simulation of the line fault is achieved, meanwhile, the temperature probe 41 is arranged on the heating belt 31, when in use, the temperature probe 41 can timely detect the heating temperature, and the control of the heating temperature can be achieved through cooperation with the temperature control component 4, and the temperature is adjustable and convenient to use.

In order to make the test more similar with the in-service use scene, be equipped with the installing support on the test stand 1, the one end of installing support rotates to be connected on the test stand 1, be equipped with the mounting panel on the installing support, install a plurality of simulation insulators 2 on the mounting panel. The rotation connection of the mounting bracket can enable the simulation insulator 2 to swing, simulation of a swinging scene is achieved, synchronous heating can be carried out on a plurality of simulation insulators 2 simultaneously in simulation experiments, simulation is carried out at different temperatures simultaneously, and training efficiency is improved.

The heating component 3 comprises an outer shell, wherein a heat dissipation hole 6 is formed in the outer shell, the heating chip is integrally arranged in the shell, a PWM (pulse width modulation) module is arranged on the heating chip, and the PWM module is electrically connected with the heating belt 31. In the utility model, the heating belt 31 is heated by electric heating, the outer shell is provided with a power supply interface, the power supply interface is connected to a 220V power supply, heating is mainly realized by a PWM module, the PWM module can control the duty ratio of PWM output waveforms, the heating speed of the heating belt 31 is controlled, and the temperature of a heating part is kept near a set temperature.

The temperature control component 4 comprises a display screen 7 and a communication unit, wherein the communication unit adopts a LORA wireless module, and the display screen 7 is a touch screen of a large-color serial port screen. The heating temperature can be set through the display screen 7 and the actual heating temperature can be displayed, so that the student can observe conveniently.

One embodiment of the utility model comprises a fixing piece 5, wherein the fixing piece 5 is of a C-shaped structure, the fixing piece 5 is provided with a bayonet, and the fixing piece 5 can fix the heating belt 31 on the simulation insulator 2 through the bayonet. The fixing property of the heating belt 31 is improved, and the heating efficiency is improved.

The temperature measuring probe 41 is adhered to the heating belt 31 and is arranged at a position close to one end of the heating belt 31, so that the temperature measuring probe 41 can be closer to a metal appliance during winding, and the temperature of a heating part can be conveniently and accurately detected, wherein the heating belt 31 is made of glass fibers. The heating belt 31 is provided with good insulation, heat resistance, corrosion resistance and mechanical strength.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims

1. The utility model provides a simulation heating system, its characterized in that, includes test frame, simulation insulator, heating element, accuse temperature part, on the simulation insulator installation test frame, heating element includes heating band, heating chip is connected with the heating is electrified, accuse temperature part includes accuse temperature chip, temperature probe installs the inboard at the heating band, temperature probe with accuse temperature chip communication is connected, accuse temperature chip with heating chip communication is connected.

2. A simulated heating system as claimed in claim 1, wherein said test rack is provided with a mounting bracket, one end of said mounting bracket is rotatably connected to said test rack, said mounting bracket is provided with a mounting plate, and said mounting plate is provided with a plurality of simulated insulators.

3. A simulated heating system as claimed in claim 1, wherein said heating element comprises an outer housing having a heat dissipation aperture formed therein, said heating chip being integrally mounted within said housing, said heating chip being provided with a PWM module, said PWM module being electrically connected to said heating element.

4. A simulated heating system as claimed in claim 3, wherein said outer housing is provided with a power supply interface, said power supply interface being connected to a 220V power source.

5. A simulated heating system as claimed in claim 1, wherein said temperature control means comprises a display screen, a communication unit, said communication unit being a LORA wireless module.

6. A simulated heating system as claimed in claim 5, wherein said display screen is a touch screen of a large color serial screen.

7. A simulated heating system as claimed in claim 1, further comprising a fixture, said fixture being of C-shaped configuration, said fixture having a bayonet for securing the heating ribbon to the simulated insulator.

8. A simulated heating system as claimed in claim 1, wherein said temperature probe is adhered to the heating strip and disposed adjacent one end of the heating strip.

9. A simulated heating system as claimed in claim 1, wherein said heating strip is formed from glass fibre.