CN219042005U - A simulated heating system - Google Patents

Abstract

In order to solve the problem of inconvenient training for transmission line faults in the prior art, the utility model provides a simulated heating system, and its technical solution for solving technical problems includes a test frame, simulated insulators, heating components, and temperature control components. The simulated insulator is installed on the test frame, the heating component includes a heating belt and a heating chip, and the heating chip is electrically connected to the heating belt, and the temperature control component includes a temperature control chip and a temperature measuring probe, and the temperature measuring probe is installed on the heating belt. The temperature measuring probe is in communication connection with the temperature control chip, and the temperature control chip is in communication connection with the heating chip. The utility model can carry out simulated heating on the uncharged circuit, and the heating temperature is adjustable, which is suitable for fault simulation tests of different types of metal utensils and is convenient to use.

Description

A simulated heating system

technical field

The utility model belongs to the technical field of transmission line fault training, in particular to a simulated heating system.

Background technique

Due to the long-term operation of transmission lines in the field, they are easily affected by natural disasters and man-made damage, resulting in faults such as broken strands and broken lines. Such failures are often accompanied by partial discharge and abnormal heating, which destroys the physical and chemical properties of materials and affects the operation safety of the power grid. In order to reduce the occurrence of accidents, it is necessary to provide corresponding training to the staff in advance, but directly using the transmission line to simulate various working conditions for testing will not only cause permanent capacity loss to the line, but also make repeated tests for a long time unsuitable and difficult. Simulate the failure state, and the shortcomings of poor repeatability and controllability.

Utility model content

In order to solve the problem of inconvenient training for transmission line faults in the prior art, the utility model provides a simulated heating system, which can simulate heating for uncharged lines, and the heating temperature is adjustable, which is suitable for different types of metal utensils. Fault simulation test, easy to use.

The utility model provides a simulated heating system. The technical solution for solving the technical problems includes a test frame, a simulated insulator, a heating component, and a temperature control component. The simulated insulator is installed on the test frame, and the heating component includes a heating belt, a heating chip, the heating chip is electrically connected to the heating belt, the temperature control component includes a temperature control chip and a temperature measuring probe, the temperature measuring probe is installed on the inner side of the heating belt, and the temperature measuring probe is connected to the temperature control chip by communication , the temperature control chip is communicatively connected with the heating chip. The utility model can perform heating simulation on the heating failure of the transmission line, so that the students can understand the real heating situation of the transmission line as much as possible through the simulation, so that the infrared temperature sensing technology of the unmanned aerial vehicle can be used to realize the generation of the high-altitude transmission line. For the purpose of timely discovery and timely treatment of hot spots, the utility model simulates the heating belt in the heating device, wraps the fault location that needs to be simulated, and then uses electric heating to heat the heating belt through the heating part, and then realizes the fault detection of the line. At the same time, by setting the temperature measuring probe on the heating belt, the temperature measuring probe can detect the heating temperature immediately when in use, and through the cooperation with the temperature control component, the heating temperature can be controlled, and the temperature is adjustable. , easy to use.

Preferably, a mounting bracket is provided on the test frame, one end of the mounting frame is rotatably connected to the test frame, a mounting plate is provided on the mounting frame, and a number of simulated insulators are mounted on the mounting plate. The rotating connection of the mounting bracket can make the simulated insulator swing and realize the simulation of the swing scene. During the simulation experiment, multiple simulated insulators can be heated synchronously at the same time to achieve simultaneous simulation of multiple different temperatures and improve training efficiency.

Preferably, the heating component includes an outer casing, and a cooling hole is opened on the outer casing, and the heating chip is integrally installed in the casing, and a PWM module is provided on the heating chip, and the PWM module is electrically connected to the heating strip. In the utility model, the heating belt is heated by electric heating, and the heating is mainly realized by a PWM module, which can control the duty cycle of the PWM output waveform, control the heating speed of the heating belt, and keep the temperature of the heating part at the set temperature. .

Preferably, the outer casing is provided with a power supply interface, and the power supply interface is connected to a 220V power supply.

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

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

Preferably, a fixing piece is also included, the fixing piece has a C-shaped structure, and the fixing piece has a bayonet for fixing the heating strip on the dummy insulator. Improve the fixity of the heating belt winding and fixing, and improve the heating efficiency.

Preferably, the temperature measuring probe is adhered to the heating belt and arranged at a position close to one end of the heating belt. Make the temperature measuring probe closer to the fault simulation position and improve the accuracy of temperature detection.

Preferably, the heating belt is made of glass fiber. Make the heating belt have good insulation, heat resistance, corrosion resistance and mechanical strength.

In summary, using the technical solution of the present utility model has at least the following beneficial effects:

1. Use the heating method to simulate the abnormal heating of the fault point of the transmission line, which is convenient for students to detect the heat point through the drone, and then can improve the inspection efficiency and accuracy of the fault point on the overhead transmission line;

2. By setting up the heating belt, different types of metal utensils can be wound, and through the winding method, it can adapt to the heating of different shapes and parts, and has wide adaptability;

3. By setting the fixing parts, the wound heating belt can be fixed to avoid loosening, and the stability and heating efficiency of the heating process are improved.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of the expanded state of the utility model heating belt;

Fig. 3 is a structural schematic diagram of the utility model fixture;

Fig. 4 is a schematic diagram of the winding state of the heating belt of the utility model.

In the figure: 1. Test frame; 2. Simulated insulator; 3. Heating part; 31. Heating belt; 4. Temperature control part; 41. Temperature measuring probe;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a simulated heating system. The utility model is used to simulate the abnormal heating situation of the fault point of the overhead transmission line. Since the high-altitude transmission line generally requires staff to conduct inspections through the thermal imaging system of the drone Therefore, how to enable the staff to accurately find the fault point of the transmission line requires training and learning. The utility model simulates the heating of various equipment on the transmission line, so that the trainees can simulate the heating position. , to improve the efficiency of searching for fault heating points during actual work, as shown in Figure 1-4, including a test frame 1, a simulated insulator 2, a heating component 3, and a temperature control component 4, and the simulated insulator 2 is installed on the test frame 1, The heating part 3 includes a heating belt 31 and a heating chip, and the heating chip is electrically connected to the heating belt 31. The temperature control part 4 includes a temperature control chip and a temperature measuring probe 41, and the temperature measuring probe 41 is installed on the heating belt. 31, the temperature measuring probe 41 is communicatively connected with the temperature control chip, and the temperature control chip is communicatively connected with the heating chip. The utility model can perform heating simulation on the heating failure of the transmission line, so that the students can understand the real heating situation of the transmission line as much as possible through the simulation, so that the infrared temperature sensing technology of the unmanned aerial vehicle can be used to realize the generation of the high-altitude transmission line. For the purpose of timely discovery and timely treatment of hot spots, the heating belt 31 in the simulation heating device of the present utility model is used to wrap the fault location that needs to be simulated, and then the heating belt 31 is heated by the heating part 3 by electric heating, thereby realizing For the heating simulation of line faults, at the same time, by setting the temperature measuring probe 41 on the heating belt 31, when in use, the temperature measuring probe 41 can detect the heating temperature immediately, and by cooperating with the temperature control component 4, the heating can be realized. Temperature control, adjustable temperature, easy to use.

In order to make the test more similar to the actual use scene, a mounting bracket is provided on the test frame 1, and one end of the mounting frame is rotatably connected to the test frame 1, and a mounting plate is provided on the mounting frame, and a mounting plate is installed on the mounting plate. Several simulated insulators2. The rotating connection of the mounting bracket can make the simulated insulator 2 swing to realize the simulation of the swing scene. During the simulation experiment, multiple simulated insulators 2 can be heated synchronously at the same time to achieve simultaneous simulation of multiple different temperatures and improve training efficiency.

The heating component 3 in the utility model includes an outer casing, and a cooling hole 6 is opened on the outer casing, and the heating chip is integrated and installed in the casing, and a PWM module is arranged on the heating chip, and the PWM module and the heating belt 31 electrical connections. In the utility model, the heating belt 31 is heated by electric heating, a power supply interface is provided on the outer shell, and the power supply interface is connected to a 220V power supply. The heating is mainly realized by a PWM module, which can control the duty cycle of the PWM output waveform. The heating speed of the heating belt 31 is controlled to keep the temperature of the heating part near the set temperature.

The temperature control part 4 in the utility model includes a display screen 7 and a communication unit, and the communication unit selects 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 and the actual heating temperature can be displayed through the display screen 7, which is convenient for students to observe.

One of the embodiments of the present utility model includes a fixing part 5 having a C-shaped structure. The fixing part 5 has a bayonet, and the fixing part 5 can fix the heating belt 31 on the simulated insulator 2 through the bayonet. Improve the fixity of winding and fixing the heating belt 31, and improve the heating efficiency.

The temperature measuring probe 41 in the utility model adheres to the heating belt 31 and is arranged at a position close to one end of the heating belt 31, so that when winding, the temperature measuring probe 41 can be closer to the metal utensil, which is convenient for more accurate detection The temperature of the heating part, wherein the heating belt 31 is made of glass fiber. The heating belt 31 has good insulation, heat resistance, corrosion resistance and mechanical strength.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (9)

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.

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