A device and method for testing electrostatic charging of materials in a plasma environment

CN116718849BActive Publication Date: 2026-09-08ARMY ENG UNIV OF PLA
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Patent Information

Application Number
CN202310395516.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-13
Publication Date
2026-09-08
Estimated Expiration
2043-04-13

AI Technical Summary

Technical Problem

等离子体环境中具有大量的粒子包括中性分子、带电自由粒子,其中带电自由粒子中包括自由离子和自由电子,这个等离子环境会使飞行器表面产生会产生静电,影响飞行器的飞行安全

Benefits of technology

[0019] This invention simulates the air pressure and plasma environments at the flight altitude of a high-speed aircraft under ground-based experimental conditions. It simulates the electrostatic charging process of the surface material of a high-speed aircraft in a plasma environment, enabling qualitative and quantitative measurement of the electrostatic charge value during this process. This provides guidance for the anti-static design of aircraft and allows for the acquisition of changes in electrostatic accumulation on the aircraft surface under different air pressure and plasma environments. This effectively helps aircraft adjust their flight plans, improves flight safety, and enhances the safety of electrostatic detection processes.

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Abstract

The embodiment of the present specification provides a kind of material electrostatically charged test device and method under plasma environment, device includes vacuum environment simulation system, vacuum container, plasma source system, voltmeter and terminal equipment;Vacuum environment simulation system is connected with vacuum container, for adjusting the air pressure value in vacuum container;Vacuum container is installed with plasma source system, for generating different plasma environment for vacuum container;The material to be measured is placed in vacuum container;Voltmeter is used to monitor the voltage data of the material to be measured in real time;Terminal equipment is connected with voltmeter, for collecting and recording the monitoring data of voltmeter.The present application simulates the electrification process of the surface material of high-speed flying body when the air pressure environment and plasma environment of high-speed flying body flight height are simulated under ground experimental conditions, realizes qualitative and quantitative measurement of electrostatic electrification value in this process, provides guidance for the anti-static design of aircraft, improves flight safety.
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Description

Technical Field

[0001] This document relates to the field of electrostatic detection technology, and in particular to a device and method for testing the electrostatic charge of materials in a plasma environment. Background Technology

[0002] When an aircraft travels at high speeds, due to viscosity and shock waves, air molecules near the aircraft's surface ionize due to intense thermal motion, forming ionized gas (plasma). This ionized gas adheres to the area around the aircraft, creating a plasma environment. The plasma environment contains a large number of particles, including neutral molecules and charged free particles, among which are free ions and free electrons. This plasma environment can generate static electricity on the aircraft's surface, affecting flight safety.

[0003] To study the electrostatic charging characteristics of high-speed aircraft in a plasma environment, it is necessary to simulate the electrostatic charging characteristics of materials in a plasma environment on the ground and conduct electrostatic charging tests. Therefore, in order to simulate the electrostatic charging of materials in a plasma environment under ground experimental conditions and complete the electrostatic charging test, a material electrostatic charging test device in a plasma environment is needed to address the electrostatic charging problem of high-speed aircraft in a plasma environment. Summary of the Invention

[0004] This specification provides one or more embodiments of a material electrostatic charging test device in a plasma environment, the device including a vacuum environment simulation system, a vacuum container, a plasma source system, a voltmeter, and terminal equipment;

[0005] The vacuum environment simulation system is connected to the vacuum container and is used to adjust the gas pressure inside the vacuum container; the plasma source system is installed inside the vacuum container to generate different plasma environments for the vacuum container; the material under test is placed inside the vacuum container; the voltmeter is set outside the vacuum container to monitor the voltage data of the material under test in real time; the terminal device is connected to the voltmeter, collects the monitoring data of the voltmeter, and records it.

[0006] Furthermore, the material under test includes an insulating layer and a metal layer, the insulating layer comprising two insulating materials, and the metal layer disposed between the two insulating materials.

[0007] Furthermore, the metal layer is a metal plate, the size of which is smaller than that of the insulating material, and the two insulating material layers are of equal size.

[0008] Furthermore, the metal plate is embedded within two layers of insulating material.

[0009] Furthermore, the material under test is connected to the voltmeter via a wire extending from the metal layer.

[0010] Furthermore, the conductor is a single-core shielded wire.

[0011] Furthermore, the terminal device is an industrial control computer, a computer, a laptop, or a mobile phone with the data acquisition program installed.

[0012] This specification provides one or more embodiments of a method for testing the electrostatic charge of materials in a plasma environment, including:

[0013] The air pressure inside the vacuum container is adjusted by a vacuum environment simulation system to simulate the air pressure environment at the flight altitude of a high-speed flying vehicle.

[0014] Different plasma environments are generated by a plasma source system;

[0015] The output data of the voltmeter is collected and recorded by the terminal device, and the electrostatic characteristics of the tested material under the pressure environment and plasma environment are analyzed.

[0016] Furthermore, the material under test includes an insulating layer and a metal layer. The insulating layer includes two layers of insulating material, and the metal layer is disposed between the two layers of insulating material. The metal layer is a metal plate, and the size of the metal plate is smaller than that of the insulating material. The two layers of insulating material are of equal size, and the metal plate is embedded in the two layers of insulating material.

[0017] Furthermore, the material under test is connected to the voltmeter via a wire led out from the metal layer, and the wire is a single-core shielded wire.

[0018] The beneficial effects of this invention are as follows:

[0019] This invention simulates the air pressure and plasma environments at the flight altitude of a high-speed aircraft under ground-based experimental conditions. It simulates the electrostatic charging process of the surface material of a high-speed aircraft in a plasma environment, enabling qualitative and quantitative measurement of the electrostatic charge value during this process. This provides guidance for the anti-static design of aircraft and allows for the acquisition of changes in electrostatic accumulation on the aircraft surface under different air pressure and plasma environments. This effectively helps aircraft adjust their flight plans, improves flight safety, and enhances the safety of electrostatic detection processes.

[0020] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, and in order to make the above and other objects, features and advantages of the present invention more apparent and understandable, specific embodiments of the present invention are described below. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in one or more embodiments of this specification or in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this specification. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram illustrating the composition of a material electrostatic charging testing device in a plasma environment, provided for one or more embodiments of this specification;

[0023] Figure 2 This is a schematic diagram of the structure of the material under test in a plasma environment electrostatic charging test device provided in one or more embodiments of this specification.

[0024] Figure 3 This is a flowchart illustrating a method for testing the electrostatic charge of materials in a plasma environment, provided for one or more embodiments of this specification. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solutions in one or more embodiments of this specification, the technical solutions in one or more embodiments of this specification will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this specification, and not all of the embodiments. Based on one or more embodiments of this specification, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this document.

[0026] Device Examples

[0027] According to embodiments of the present invention, a device for testing the electrostatic charge of materials in a plasma environment is provided. Figure 1 This is a schematic diagram illustrating the composition of a material electrostatic charging testing device in a plasma environment, provided for one or more embodiments of this specification. Figure 1 As shown, the electrostatic charging testing device for materials in a plasma environment according to an embodiment of the present invention specifically includes:

[0028] Vacuum environment simulation system 11, vacuum container 12, plasma source system 13, voltmeter 14, and terminal equipment 15;

[0029] The vacuum environment simulation system 11 is connected to the vacuum container 12 and is used to adjust the air pressure value inside the vacuum container 12 to simulate the air pressure environment at the flight altitude of a high-speed flying vehicle. The plasma source system 13 is installed inside the vacuum container 12 to generate different plasma environments for the vacuum container 12. During the test, the material to be tested 16 is placed inside the vacuum container 12. The voltmeter 14 is set outside the vacuum container 12 to monitor the voltage data of the material to be tested 16 in real time. The terminal device 15 is connected to the voltmeter 14, collects the monitoring data of the voltmeter 14, and records it.

[0030] The structure of the tested material 16 is as follows Figure 2 As shown, the material under test 16 includes an insulating layer 161 and a metal layer 162. The insulating layer 161 includes two layers of insulating material to be tested, and the metal layer 162 is disposed between the two insulating materials.

[0031] The metal layer 162 between the two insulating materials is a metal plate. The size of the metal plate is slightly smaller than that of the insulating material. The size of the two insulating materials above and below the metal plate is equal. The insulating material and the metal plate can be rectangular or other shapes. The metal plate must be completely embedded in the two insulating materials.

[0032] Metal layer 162 leads out a wire, which extends out of vacuum container 12 and connects to a non-contact voltmeter 14 outside vacuum container 12 to monitor the charge status of the material under test 16 and transmit the data to a terminal device for data acquisition and recording. The wire used is a single-core shielded wire.

[0033] In this device, the terminal device 15 can be an industrial control computer, computer, laptop, or mobile phone with the acquisition program installed.

[0034] Method Implementation Examples

[0035] According to embodiments of the present invention, a method for testing the electrostatic charge of materials in a plasma environment is provided. Figure 3 A flowchart illustrating a method for testing the electrostatic charge of materials in a plasma environment, provided for one or more embodiments of this specification, is shown below. Figure 3 As shown, the method for testing the electrostatic charge of materials in a plasma environment according to an embodiment of the present invention specifically includes:

[0036] S1. The air pressure inside the vacuum container is adjusted by a vacuum environment simulation system to simulate the air pressure environment at the flight altitude of a high-speed flying vehicle;

[0037] S2. Different plasma environments are generated through a plasma source system;

[0038] S3. Collect and record the output data of the voltmeter through the terminal device, and analyze the electrification characteristics of the tested material in the gas pressure environment and plasma environment.

[0039] The material under test includes an insulating layer and a metal layer. The insulating layer comprises two layers of insulating material. The metal layer is disposed between the two layers of insulating material. The metal layer is a metal plate, and the size of the metal plate is smaller than that of the insulating material. The two layers of insulating material are of equal size, and the metal plate is embedded in the two layers of insulating material.

[0040] The material under test is connected to the voltmeter via a wire led out from the metal layer, wherein the wire is a single-core shielded wire.

[0041] The beneficial effects of this invention are as follows:

[0042] This invention simulates the air pressure and plasma environments at the flight altitude of a high-speed aircraft under ground-based experimental conditions. It simulates the electrostatic charging process of the surface material of a high-speed aircraft in a plasma environment, enabling qualitative and quantitative measurement of the electrostatic charge value during this process. This provides guidance for the anti-static design of aircraft and allows for the acquisition of changes in electrostatic accumulation on the aircraft surface under different air pressure and plasma environments. This effectively helps aircraft adjust their flight plans, improves flight safety, and enhances the safety of electrostatic detection processes.

[0043] The embodiments of the present invention are method embodiments corresponding to the above-described device embodiments. The specific operation methods can be understood by referring to the description of the device embodiments, and will not be repeated here.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for testing the electrostatic charge of materials in a plasma environment, characterized in that, The device includes a vacuum environment simulation system, a vacuum container, a plasma source system, a voltmeter, and terminal equipment; The vacuum environment simulation system is connected to the vacuum container and is used to adjust the gas pressure inside the vacuum container; the plasma source system is installed inside the vacuum container to generate different plasma environments for the vacuum container; the material to be tested is placed inside the vacuum container; the voltmeter is set outside the vacuum container and is used to monitor the voltage data of the material to be tested in real time; the terminal device is connected to the voltmeter, collects the monitoring data of the voltmeter, and records it. The material under test includes an insulating layer and a metal layer. The insulating layer comprises two layers of insulating material, and the metal layer is disposed between the two layers of insulating material. The metal layer is a metal plate, and the size of the metal plate is smaller than that of the insulating material. The two layers of insulating material are of equal size. The metal plate is embedded in the two layers of insulating material. The material under test is connected to the voltmeter through a wire led out from the metal layer. The wire is a single-core shielded wire.

2. The apparatus according to claim 1, characterized in that, The terminal devices are industrial control computers, computers, laptops, and mobile phones with data acquisition programs installed.

3. A method for testing the electrostatic charge of materials in a plasma environment, characterized in that, include: The air pressure inside the vacuum container is adjusted by a vacuum environment simulation system to simulate the air pressure environment at the flight altitude of a high-speed flying vehicle. Different plasma environments are generated by a plasma source system; the plasma source system is installed inside the vacuum container. The output data of the voltmeter is collected and recorded by the terminal device, and the electrification characteristics of the tested material are analyzed in the gas pressure environment and plasma environment. The voltmeter is set outside the vacuum container to monitor the voltage data of the tested material in real time. The material under test is placed inside the vacuum container and includes an insulating layer and a metal layer. The insulating layer comprises two layers of insulating material, and the metal layer is disposed between the two insulating layers. The metal layer is a metal plate, and the size of the metal plate is smaller than that of the insulating material. The two insulating layers are of equal size, and the metal plate is embedded within the two insulating layers. The material under test is connected to the voltmeter through a wire led out from the metal layer. The wire is a single-core shielded wire.