High-speed electrostatic charging rate testing device and testing method

Abstract

This invention discloses a high-speed electrostatic charging rate testing device and method, comprising an air particle emission device, a fixing device, and an electrostatic charging rate testing device; the air particle emission device is used to output air particles at a certain speed; the fixing device is used to fix the test dielectric plate, wherein the test dielectric plate collides with the output air particles at a certain speed to generate static electricity; the electrostatic charging rate testing device is used to measure the charging rate of the test dielectric plate. This invention can simulate the influencing factors of electrostatic deposition on various high-speed flying objects, determine the electrostatic charging law of the object, and derive the influence on the electrostatic charging rate.

Description

Technical Field

[0001] This invention relates to the field of high-speed electrostatic charging rate testing, and in particular to a high-speed electrostatic charging rate testing device and testing method. Background Technology

[0002] Static electricity is an inherent physical phenomenon during the high-speed motion of flying objects. When a flying object moves at high speed in the air, its surface collides with dust, ice crystals, raindrops, and other particles. Continuous collisions between the flying object and these particles cause electrical charges to separate from the particles and transfer to the surface of the flying object. The presence of electrical charges on the surface generates an electrostatic field. When the static charge accumulates to a certain level, it is released through various forms of electrostatic discharge at areas with high surface curvature. Currently, it is difficult to monitor the high-speed motion of flying objects and the flight environment in real time. Summary of the Invention

[0003] The purpose of this invention is to provide a high-speed electrostatic charging rate testing device and method, aiming to solve the problem of high-speed electrostatic charging rate testing.

[0004] This invention provides a high-speed electrostatic charging rate testing device, comprising an air particulate matter emission device, a fixing device, and an electrostatic charging rate testing device;

[0005] An air particulate emission device, used to output air particulate matter at a certain speed;

[0006] A fixing device is used to fix the test medium plate, which generates static electricity by colliding with air particles at a certain speed.

[0007] Electrostatic charging rate testing device is used to measure the charging rate of the dielectric substrate under test.

[0008] This invention also provides a method for testing high-speed electrostatic charging rate, comprising:

[0009] S1. Outputs air particles at a certain speed through an air particulate emission device;

[0010] S2. Fix the test medium plate using a fixing device;

[0011] S3. Static electricity is generated by the collision between the measured medium plate and air particles at a certain speed.

[0012] S4. Measure the electrostatic charging rate of the tested dielectric plate using an electrostatic charging rate testing device.

[0013] By employing the embodiments of the present invention, it is possible to simulate the influencing factors of electrostatic deposition on various high-speed flying bodies, determine the electrostatic charging law of the object, and obtain the influence on the electrostatic charging rate.

[0014] 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

[0015] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of a high-speed electrostatic charging rate testing device according to an embodiment of the present invention;

[0017] Figure 2 This is a schematic diagram of the high-speed electrostatic charging rate testing device according to an embodiment of the present invention;

[0018] Figure 3 This is a schematic diagram of the design of the high-speed electrostatic charging rate testing device according to an embodiment of the present invention;

[0019] Figure 4 This is a flowchart of the high-speed electrostatic charging rate test method according to an embodiment of the present invention. Detailed Implementation

[0020] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Device Examples

[0022] According to an embodiment of the present invention, a high-speed electrostatic charging rate testing device is provided. Figure 1 This is a schematic diagram of a high-speed electrostatic charging rate testing device according to an embodiment of the present invention, as shown below. Figure 1 As shown, it specifically includes:

[0023] To address the challenges of high-speed motion and the difficulty of real-time monitoring of the flight environment, this experimental setup and testing method were designed to simulate the electrostatic charging characteristics of objects under various factors influencing electrostatic deposition (such as the contact area between space particles and the flight body, the collision angle between space particles and the flight body, the size distribution of the particles, and the number of collisions) under ground-based experimental conditions, thereby determining their impact on the electrostatic charging rate. This setup simulates the electrostatic charging characteristics of flight bodies under different flight states and environments by constructing a high-speed flight body test environment. This allows for the acquisition of the electrostatic charging characteristics of the materials and the establishment of a predictive model for the electrostatic potential of the surface materials of high-speed flight bodies.

[0024] A high-speed electrostatic charging rate testing device includes an air particulate matter emission device, a fixing device, and an electrostatic charging rate testing device.

[0025] An air particulate emission device, used to output air particulate matter at a certain speed;

[0026] The air particulate matter emission device specifically includes: an air compressor, an air tank, and an emission device.

[0027] An air compressor is used to fill an air tank and set the filling pressure. The air tank stores the gas supplied by the air compressor and forms high-pressure gas, which is then sent to a spraying device. The spraying device is equipped with a particulate matter inlet for dispensing different types and sizes of particulate matter. The spraying device then sprays out air particles at a set pressure. The spraying device is also equipped with a spray pipe.

[0028] The air compressor in the high-speed gas simulation system can change the output gas pressure. The change in pressure can change the airflow velocity of the high-pressure gas at the outlet of the ejection device.

[0029] The nozzle is provided at the outlet of the spray pipe, and a Faraday cylinder is provided at the outlet of the nozzle. The Faraday cylinder is used to measure the electric charge of air particles at the outlet of the nozzle.

[0030] A fixing device is used to fix the test medium plate, which collides with air particles at a certain speed to generate static electricity; the fixing device includes: an insulation test platform, used to set the angle of collision between the test medium plate and the air particles.

[0031] Electrostatic charging rate testing device is used to measure the charging rate of the dielectric substrate under test.

[0032] The electrostatic charging rate testing device includes: a dynamic potential tester, used to measure the charge on the dielectric substrate under test and convert the charge into oscilloscope data and send it to the oscilloscope; and an oscilloscope, connected to the dynamic potential tester, used to receive the oscilloscope data sent by the dynamic potential tester and display the waveform.

[0033] Figure 2 This is a detailed schematic diagram of the high-speed electrostatic charging rate testing device according to an embodiment of the present invention, as shown below. Figure 2 As shown, the system consists of: airborne particulate matter, a high-speed flying body simulation device, the dielectric substrate under test, a Faraday cylinder, typical dielectric substrate materials, a dynamic potential tester, an oscilloscope, and an adjustable angle insulation test platform.

[0034] Figure 3 This is a schematic diagram of the design of a high-speed electrostatic charging rate testing device according to an embodiment of the present invention, as shown below. Figure 3 As shown:

[0035] A high-speed ejection device propels airborne particles at a certain high speed through pressurized gas, impacting a test medium plate at different angles. The relative velocity indicates that this process is equivalent to the collision and friction between the test medium plate and the airborne particles during high-speed motion. A Faraday cylinder is used to measure the charge of the airborne particles at the nozzle exit. The test medium plate is connected to an electrostatic dynamic potential tester, which is connected to an oscilloscope to measure the real-time electrostatic charging waveform and the real-time charge of the test medium plate. This measurement is cross-validated with the charge of the airborne particles measured by the Faraday cylinder, ensuring the accuracy of the test method. By changing different types and sizes of particles, the high-speed electrostatic charging rate test was achieved under different spatial particle sizes and contact areas. The adjustable air pressure of the high-speed ejection device enabled the measurement of the electrostatic charging rate of the test medium plate at different speeds. The adjustable-angle insulation test platform, by setting different collision angles, enabled the testing of the electrostatic charging rate of high-speed flying objects at different angles. By changing typical medium materials, the electrostatic charging rate test of different materials colliding with spatial particles at high speed was achieved. By summarizing the waveforms and data obtained from experiments, the relationship between various influencing factors and the electrostatic charging rate of high-speed flying bodies is derived, thereby obtaining a predictive model for the electrostatic potential of surface materials of high-speed flying bodies.

[0036] The experimental system and testing method realize the collision and friction process between the surface material of a high-speed flying vehicle and air particles on the ground, and realize the prediction of the electrostatic charging rate of the collision and friction between the high-speed flying vehicle and space particles under different materials, speeds, particles, and angles.

[0037] Method Implementation Examples

[0038] According to embodiments of the present invention, a method for testing high-speed electrostatic charging rate is provided. Figure 4 This is a flowchart of the high-speed electrostatic charging rate testing method according to an embodiment of the present invention, as follows: Figure 4 As shown, it specifically includes:

[0039] S1. Outputs air particles at a certain speed through an air particulate emission device;

[0040] S1 specifically includes:

[0041] The air compressor fills the air tank with gas at a set pressure; the air tank stores the gas from the air compressor and forms high-pressure gas, which is then sent into the ejection device; different types and sizes of particles are injected into the ejection device through the particle inlet, and the ejection device ejects air particles at a set pressure.

[0042] S2. Fix the test medium plate using a fixing device;

[0043] S2 specifically includes: setting the angle of collision between the tested dielectric plate and air particles through an insulation test platform.

[0044] S3. Static electricity is generated by the collision between the measured medium plate and air particles at a certain speed.

[0045] S3 further includes:

[0046] The influence of the charge of air particles at the outlet on the charge generated after the collision is eliminated by calculating the charge of air particles before the collision using a Faraday cylinder installed at the outlet of the ejection device.

[0047] S3 specifically includes:

[0048] The static charge of the dielectric substrate under test is measured by a dynamic potential tester and converted into oscilloscope data and sent to the oscilloscope.

[0049] The oscilloscope receives data from the dynamic potential tester and displays the waveform.

[0050] S4. Measure the electrostatic charging rate of the tested dielectric plate using an electrostatic charging rate testing device.

[0051] S4 further includes:

[0052] S41. The velocity of the ejected particles is changed by adjusting the pressure of the ejection device.

[0053] S42. Change the angle of the dielectric plate under test by changing the insulation test platform;

[0054] S43. Different types and sizes of particulate matter are dispensed through the particulate matter inlet;

[0055] S44. By changing the dielectric plate, the collision between air particles and different test dielectric plates is achieved;

[0056] S45. Measure the initial electrical charge of the air particulate matter output by the air particulate matter emission device using a Faraday cylinder;

[0057] S46. Measure the electrostatic charging rate of the tested dielectric plate by combining the initial charge of air particles with an electrostatic charging rate testing device.

[0058] S47. Repeat steps S41 to S46 to obtain the model of electrostatic charging rate.

[0059] The embodiments of the present invention are system embodiments corresponding to the above method embodiments. The specific operation of each module can be understood by referring to the description of the method embodiments, and will not be repeated here.

[0060] 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 present invention.

Claims

1. A high-speed electrostatic charging rate testing device, characterized in that, This includes airborne particulate matter emission devices, fixing devices, and electrostatic charging rate testing devices; An air particulate emission device, used to output air particulate matter at a certain speed; The air particulate matter emission device specifically includes: an air compressor, an air tank, and an emission device; An air compressor is used to fill an air tank and set the filling pressure; an air tank is used to store the gas delivered by the air compressor and form high-pressure gas, and to send the high-pressure gas into an ejection device; the ejection device is equipped with a particulate matter inlet, which is used to deliver different types and sizes of particulate matter, and the ejection device is used to eject air particulate matter. A Faraday cup is placed at the outlet of an air particulate emission device to measure the initial charge of air particulate matter. A fixing device is used to fix the test medium plate, which collides with air particles at a certain speed to generate static electricity; the fixing device includes: an insulation test platform, used to set the angle of collision between the test medium plate and the air particles; An electrostatic charging rate testing device is used to measure the charging rate of a dielectric substrate under test in conjunction with the initial charge of airborne particles. The electrostatic charging rate testing device includes: a dynamic potential tester, used to measure the charge on the dielectric substrate under test and convert the charge into oscilloscope data and send it to an oscilloscope; and an oscilloscope, connected to the dynamic potential tester, used to receive the oscilloscope data sent by the dynamic potential tester, display the waveform in real time, and calculate the charging rate based on the waveform.

2. The apparatus according to claim 1, characterized in that, The ejection device is used to eject air particles at a set pressure.

3. The apparatus according to claim 1, characterized in that, The ejection device is equipped with an ejection pipe.

4. The apparatus according to claim 3, characterized in that, The nozzle is provided at the outlet of the spray pipe, and a Faraday cylinder is provided at the outlet of the nozzle. The Faraday cylinder is used to measure the electric charge of air particles at the outlet of the nozzle.

5. A high-speed electrostatic charging rate testing method, used in the apparatus of any one of claims 1 to 4, the method comprising: S1. Air particles at a certain velocity are output through an air particulate matter emission device; wherein, the air particulate matter emission device includes an air compressor, an air tank, and an emission device; the emission device is provided with a particulate matter inlet; specifically including: The air compressor fills the air tank with air and sets the filling pressure; the air tank stores the gas from the air compressor and forms high-pressure gas, which is then sent into the ejection device; different types and sizes of particles are released through the particle inlet; and the air particles are ejected through the ejection device. S2. Measure the initial charge of the air particles at the outlet of the air particulate matter emission device using a Faraday cylinder; S3. Static electricity is generated by colliding the tested dielectric plate with air particles at a certain speed; wherein, the tested dielectric plate is fixed by a fixing device; the fixing device includes an insulation test platform; the angle of collision between the tested dielectric plate and the air particles is set by the insulation test platform; S4. The electrostatic charging rate of the tested dielectric substrate is measured using an electrostatic charging rate testing device in conjunction with the initial charge of airborne particles. Specifically, this includes: The electrostatic charging rate testing device measures the charge on the substrate under test using a dynamic potential tester and converts the charge into oscilloscope data, which is then sent to the oscilloscope. The oscilloscope receives the oscilloscope data sent by the dynamic potential tester and displays the waveform in real time. The charging rate is then calculated based on the waveform. S4 further includes: S41. The velocity of the ejected particles is changed by adjusting the pressure of the ejection device. S42. Change the angle of the dielectric plate under test by changing the insulation test platform; S43. Different types and sizes of particulate matter are dispensed through the particulate matter inlet; S44. By changing the dielectric plate, the collision between air particles and different test dielectric plates is achieved; S45. Measure the initial electrical charge of the air particulate matter output by the air particulate matter emission device using a Faraday cylinder; S46. Measure the electrostatic charging rate of the tested dielectric plate by combining the initial charge of air particles with an electrostatic charging rate testing device. S47. Repeat steps S41 to S46 to obtain the model of electrostatic charging rate.

Images