Lightning arresting characteristic simulation display device

Abstract

The utility model discloses a lightning arresting characteristic simulation display device, which comprises a discharge device and an arresting sand table, and is characterized in that the discharge device is suspended above the center position of the arresting sand table, and a preset distance is kept between the discharge device and the arresting sand table; the lightning receiving sand table comprises a controllable rotating mechanism and a ground supporting conductor base, and a base of the controllable rotating mechanism is arranged on the ground through the ground supporting conductor base. According to the application, the automatic rotation of the lightning arresting sand table can be realized, the lightning discharge process under different conditions can be demonstrated, and in the demonstration process, visitors can autonomously change the placement position of the lightning arresting model, observe different types of lightning discharge processes and explore the lightning strike characteristics.

Description

Technical Field

[0001] The utility model belongs to the technical field of lightning simulation, and in particular relates to a lightning contact characteristic simulation display device. Background Art

[0002] Lightning is a strong natural discharge phenomenon, accompanied by powerful sound, light, electricity and magnetic signals, with great power and strong destructive power. The process of lightning striking the ground is random and unpredictable. In daily life, people can usually only watch from a distance and it is difficult to get close to it. At present, people's understanding of lightning mainly comes from books, images and photos, and they cannot intuitively feel and experience the power of lightning and the characteristics of lightning striking the ground.

[0003] The lightning discharge demonstration devices currently on the market only show the discharge process. During the demonstration, it is difficult to replace the lightning model with variable parameters, and the lightning model cannot be moved, which reduces the demonstration effect of the device and greatly reduces the practicality of the device. Visitors cannot personally participate in the lightning experiment and cannot independently explore the discharge principle and lightning characteristics of lightning. Summary of the invention

[0004] The purpose of this application is to provide a lightning lightning connection characteristic simulation display device, which can realize the automatic rotation of the lightning connection sand table and the autonomous replacement of the lightning connection model, and can realize the demonstration of lightning discharge activities under different conditions, so as to facilitate visitors to observe the lightning discharge phenomenon at close range and explore the lightning lightning connection characteristics in depth.

[0005] To achieve this purpose, the present application designs a lightning lightning connection characteristic simulation display device, which is characterized in that: it includes a discharge device and a lightning connection sand table, the discharge device is suspended above the lightning connection sand table, and the discharge device and the lightning connection sand table maintain a preset distance;

[0006] The lightning termination sand table comprises a lightning termination sand table body, a prefabricated lightning termination sand table socket, a metal grounding body, a controllable rotating mechanism and a lightning termination model, wherein the base of the controllable rotating mechanism is arranged on the ground;

[0007] The prefabricated sockets of the lightning termination sand table are distributed on the lightning termination sand table body according to preset positions and are used to fix the lightning termination model;

[0008] The central axis hole of the lightning termination sand table body is installed on the rotating shaft of the controllable rotating mechanism, and the lightning termination sand table body can rotate synchronously with the rotating shaft;

[0009] The metal grounding body is embedded in the main body of the lightning termination sand table, and the metal grounding body can contact the rotating shaft located in the central axis hole and the lightning termination model located in the prefabricated socket of the lightning termination sand table at the same time;

[0010] The prefabricated sockets in the lightning termination sand table, the lightning termination model, the metal grounding body and the controllable rotating mechanism are all conductors.

[0011] The beneficial effects of this application are:

[0012] (1) This application can realize the automatic rotation of the lightning sand table, and then demonstrate the lightning discharge process under different conditions;

[0013] (2) During the demonstration, visitors can change the position of the lightning termination model on their own, observe different types of lightning discharge processes, and explore the characteristics of lightning striking the ground;

[0014] (3) The present application can adjust the discharge power and discharge frequency of the discharge device to achieve the discharge process with different gap distances and present various types of lightning strike effects;

[0015] (4) This application is equipped with a synchronous capture device that can capture the shape and appearance of the lightning connection channel in real time, allowing visitors to carefully analyze the process and characteristics of lightning striking the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the device structure diagram;

[0017] Figure 2 This is an example diagram of a lightning termination model;

[0018] Among them, 1-discharge device, 2-flash termination sand table, 3-flash termination sand table controller, 11-Tesla coil, 12-discharge device controller, 13-discharge electrode, 21-flash termination sand table body, 21.1-center axis hole, 22-prefabricated socket of flash termination sand table, 23-metal grounding body, 24-controllable rotating mechanism, 24.1-rotating axis, 25-ground supporting conductor base, 26-lightning termination model, 4-safety guardrail, 5-monitoring device, 31-lightning termination model body, 32-lightning termination model fixed plug. DETAILED DESCRIPTION

[0019] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0020] A lightning strike characteristics simulation display device, such as Figure 1 As shown, it comprises a discharge device 1 and a lightning arrester 2;

[0021] The discharge device 1 is suspended above the center of the lightning sand table 2, and the discharge device 1 maintains a preset distance from the lightning sand table 2, and is used to simulate artificial lightning using a Tesla coil;

[0022] The lightning termination sand table 2 comprises a lightning termination sand table body 21, a prefabricated lightning termination sand table socket 22, a metal grounding body 23, a controllable rotating mechanism 24, a ground supporting conductor base 25 and a lightning termination model 26; the controllable rotating mechanism 24 is preferably a NR-KTYZ small slow micro rotating motor;

[0023] The prefabricated sockets 22 of the lightning connection sand table are distributed above the lightning connection sand table body 21 according to preset positions, and are used to fix the lightning connection model 26; visitors can place the lightning connection model 26 in the prefabricated sockets 22 of the lightning connection sand table on their own, and observe different types of lightning discharge processes and explore the characteristics of lightning striking the ground by moving the position of the lightning connection model 26; the preset positions of the prefabricated sockets 22 of the lightning connection sand table are designed accordingly according to actual display needs;

[0024] The central axis hole 21.1 of the lightning arrester body 21 is installed on the rotating shaft 24.1 of the controllable rotating mechanism 24, and the lightning arrester body 21 can rotate synchronously with the rotating shaft 24.1 (key connection);

[0025] The metal grounding body 23 is embedded in the lightning termination sand table body 21, and the metal grounding body 23 can contact the rotating shaft 24.1 located in the central axis hole 21.1 and the lightning termination model 26 in the prefabricated socket 22 of the lightning termination sand table at the same time;

[0026] The lightning arrester sand table body 21 is a wooden sand table;

[0027] The base of the controllable rotating mechanism 24 is arranged on the ground through a ground supporting conductor base 25; the controllable rotating mechanism 24 can ensure that the lightning termination sand table 2 rotates clockwise or counterclockwise according to a preset speed, and at the same time, the lightning termination sand table 2 can be fixedly placed according to a preset position to demonstrate the discharge process of the lightning termination model 26 when it is in different positions; the metal grounding body 23 connects the prefabricated socket 22 of the lightning termination sand table and the controllable rotating mechanism 24, so that the lightning termination sand table 2 is grounded;

[0028] The lightning protection model 26 and the discharge device 1 form a lightning protection channel.

[0029] In the above technical solution, the discharge device 1 includes a Tesla coil 11, a discharge device controller 12 and a discharge electrode 13; the discharge device controller 12 is preferably an NR-1000 switch intelligent controller;

[0030] The Tesla coil 11 is suspended above the center of the lightning termination sand table 2 through top surface expansion bolts, the discharge electrode 13 is connected to the Tesla coil 11 through metal bolts, the discharge electrode 13 faces the lightning termination sand table 2, and the discharge device controller 12 is connected to the control end of the Tesla coil 11 through an optical fiber, and is used to control the switch of the discharge device 1, adjust the discharge power and discharge frequency of the discharge device 1, and realize the discharge process of different gap distances, presenting various types of lightning strike effects.

[0031] The preset distance between the discharge electrode 13 in the discharge device 1 and the lightning arrester 2 is 0.5 to 1 times of the maximum gap of the discharge arc of the Tesla coil 11 .

[0032] In the above technical solution, the prefabricated socket 22 of the lightning termination sand table, the metal grounding body 23, the controllable rotating mechanism 24 and the ground supporting conductor base 25 are all conductive bodies, ensuring that the lightning termination sand table 2 is safely grounded.

[0033] In the above technical solution, the lightning termination model 26 includes a lightning termination model body 31 and a lightning termination model fixed plug 32, the lightning termination model body 31 is fixed on the lightning termination model fixed plug 32, the lightning termination model fixed plug 32 is plugged into the prefabricated socket 22 of the lightning termination sand table, the lightning termination model fixed plug 32 is in contact with the metal grounding body 23, and the lightning termination model fixed plug 32 is a conductor;

[0034] The type, height, conductivity and lightning protection measures of the lightning termination model body 31 are determined according to the lightning termination characteristic simulation scenario, such as Figure 2 As shown, the type of the lightning termination model body 31 is preferably a tall, pointed or easily conductive object commonly seen in daily life, such as a transmission tower, a wind turbine, a tall building, a big tree, etc. In order to simulate the discharge process of different lightning termination types, the lightning termination model body 31 can select a transmission tower model, a wind turbine model, a tall building model and a big tree model; in order to simulate the discharge process of different lightning termination object heights, the lightning termination model body 31 can select tall building models of different heights; in order to simulate the discharge process of lightning termination objects with different conductive properties, the lightning termination model body 31 can select a metal transmission tower model and a big tree model of the same height; in order to simulate the discharge process of lightning termination objects with different conductive properties, the lightning termination model body 31 can select a tall building model with a lightning rod installed and a tall building model without a lightning rod installed;

[0035] A lightning connection characteristic simulation display device, which also includes a lightning connection sand table controller 3;

[0036] The shaft rotation direction and rotation speed control signal output end of the lightning protection sand table controller 3 is connected to the control signal input end of the controllable rotating mechanism 24; it is used to control the rotation parameters of the lightning protection sand table 2, change the relative position of the lightning protection model 26 and the discharge device 1, and realize the simulation demonstration of lightning protection characteristics.

[0037] The lightning protection sand table controller 3 controls the rotation parameters of the lightning protection sand table 2 including the rotation direction and rotation speed of the lightning protection sand table 2 .

[0038] A lightning strike characteristic simulation display device, which also includes a safety guardrail 4;

[0039] The safety fence 4 surrounds the lightning sand table 2, and the distance between the safety fence 4 and the lightning sand table 2 is greater than 2 to 4 times the maximum gap of the discharge arc of the Tesla coil 11. It is used to protect the safety of system demonstrators and spectators;

[0040] A lightning strike characteristic simulation display device, which also includes a monitoring device 5;

[0041] The monitoring device 5 is placed directly above the safety guardrail 4 and is suspended on the top surface through top surface expansion bolts. The shooting lens of the monitoring device 5 is aimed at the discharge area of ​​the Tesla coil 11 and the lightning termination sand table 2. The number of the monitoring devices 5 can be determined according to actual needs; it is used to shoot the lightning termination channel, so that visitors can analyze the process and characteristics of lightning striking the ground in detail.

[0042] During the demonstration, the demonstrator or visitor places several of the lightning termination models 26 in the prefabricated sockets 22 of the lightning termination sand table, turns on and adjusts the discharge device controller 12, and can watch the simulated lightning lightning termination process; further, the lightning termination sand table controller 3 can watch the simulated lightning random lightning termination process of several of the lightning termination models 26.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application rather than to limit its protection scope. Although the present application is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that after reading the present application, those skilled in the art can still make various changes, modifications or equivalent substitutions to the specific implementation methods of the invention, but these changes, modifications or equivalent substitutions are all within the protection scope of the pending claims of the invention.

Claims

1. A lightning strike characteristics simulation display device, characterized in that: It comprises a discharge device (1) and a lightning termination sand tray (2), wherein the discharge device (1) is suspended above the lightning termination sand tray (2), and the discharge device (1) and the lightning termination sand tray (2) maintain a preset distance; The lightning connection sand table (2) comprises a lightning connection sand table body (21), a prefabricated lightning connection sand table socket (22), a metal grounding body (23), a controllable rotating mechanism (24) and a lightning connection model (26), wherein the base of the controllable rotating mechanism (24) is arranged on the ground; The prefabricated lightning termination sand table plug holes (22) are distributed on the lightning termination sand table body (21) according to preset positions and are used to fix the lightning termination model (26); The central axis hole (21.1) of the lightning arrester body (21) is mounted on the rotating shaft (24.1) of the controllable rotating mechanism (24), and the lightning arrester body (21) can rotate synchronously with the rotating shaft (24.1); The metal grounding body (23) is embedded in the lightning termination sand table body (21), and the metal grounding body (23) can simultaneously contact the rotating shaft (24.1) located in the central axis hole (21.1) and the lightning termination model (26) located in the prefabricated socket (22) of the lightning termination sand table; The lightning-termination sand table prefabricated socket (22), the lightning-termination model (26), the metal grounding body (23) and the controllable rotating mechanism (24) are all conductive bodies.

2. The lightning strike characteristics simulation display device according to claim 1 is characterized in that: It also includes a ground supporting conductor base (25), and the base of the controllable rotating mechanism (24) is arranged on the ground through the ground supporting conductor base (25).

3. The lightning strike characteristics simulation display device according to claim 1 is characterized in that: The discharge device (1) comprises a Tesla coil (11), a discharge device controller (12) and a discharge electrode (13); The Tesla coil (11) is suspended above the lightning arrester sandbox (2), the discharge electrode (13) is connected to the Tesla coil (11) via a metal bolt, the discharge electrode (13) faces the lightning arrester sandbox (2), and the discharge device controller (12) is connected to a control end of the Tesla coil (11) via an optical fiber.

4. The lightning strike characteristics simulation display device according to claim 1 is characterized in that: The preset distance between the discharge electrode (13) in the discharge device (1) and the lightning arrester (2) is 0.5 to 1 times the maximum gap of the discharge arc of the Tesla coil (11).

5. The lightning strike characteristics simulation display device according to claim 1 is characterized in that: The lightning arrester sand table body (21) is a wooden sand table.

6. The lightning strike characteristics simulation display device according to claim 1, characterized in that: The lightning termination model (26) comprises a lightning termination model body (31) and a lightning termination model fixed plug (32); the lightning termination model body (31) is fixed on the lightning termination model fixed plug (32); the lightning termination model fixed plug (32) is plugged into a prefabricated plug hole (22) of a lightning termination sand table; the lightning termination model fixed plug (32) is in contact with a metal grounding body (23); and the lightning termination model fixed plug (32) is a conductor.

7. The lightning strike characteristics simulation display device according to claim 1, characterized in that: It also includes a lightning arrester controller (3); The shaft rotation direction and rotation speed control signal output end of the lightning arrester sand table controller (3) is connected to the control signal input end of the controllable rotating mechanism (24).

8. The lightning strike characteristics simulation display device according to claim 1 is characterized in that: It also includes a safety guardrail (4); The safety guard fence (4) surrounds the lightning protection sandbox (2), and the distance between the safety guard fence (4) and the lightning protection sandbox (2) is greater than 2 to 4 times the maximum gap of the discharge arc of the Tesla coil (11).

9. The lightning strike characteristics simulation display device according to claim 8, characterized in that: It also includes a monitoring device (5); The monitoring device (5) is placed above the safety guardrail (4).

10. The lightning strike characteristics simulation display device according to claim 3, characterized in that: The discharge electrode (13) is located directly above the center of the lightning arrester sand tray (2).

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