CN209746896U - Electrostatic discharge simulation device - Google Patents
Electrostatic discharge simulation device Download PDFInfo
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- CN209746896U CN209746896U CN201920157647.3U CN201920157647U CN209746896U CN 209746896 U CN209746896 U CN 209746896U CN 201920157647 U CN201920157647 U CN 201920157647U CN 209746896 U CN209746896 U CN 209746896U
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Abstract
The utility model is suitable for an electrostatic discharge technical field provides an electrostatic discharge analogue means, which comprises a supporting bar, the horizontal plate, the U-shaped frame, first support, the metal ball, grommet and firing pin, the horizontal plate is equipped with the through-hole with the bracing piece adaptation, the bracing piece passes through the through-hole on the horizontal plate and with horizontal plate fixed connection, a tip fixed connection of metal ball and bracing piece, be equipped with the through-hole with the bracing piece adaptation on the horizontal pole on the U-shaped frame, the bracing piece passes the through-hole of horizontal pole on the U-shaped frame and rotates with the U-shaped frame to be connected, first montant on first support and the U-shaped frame rotates to be connected, first support and grommet fixed connection, be equipped with the arc through-hole with the bracing piece adaptation on the grommet, the bracing piece passes the arc through-hole on the grommet, firing pin fixed. The device can change the horizontal angle and the vertical angle of the discharge needle, can realize the discharge of the discharge needle in different angles and different directions in a magnetic field environment, and realizes the simulation of various discharge conditions.
Description
Technical Field
The utility model belongs to the technical field of electrostatic discharge, especially, relate to an electrostatic discharge analogue means.
Background
With the development of electromagnetic weapons towards high power and miniaturization, electromagnetic attacks become one of the important threats related to space security. At present, the on-orbit operation of a spacecraft is influenced by a plurality of electromagnetic environments, mainly comprising electrostatic discharge, nuclear electromagnetic pulse, high-power microwave and other environment-induced comprehensive electromagnetic fields, wherein the strong electromagnetic environments are coupled to sensitive parts of the spacecraft in a conduction and radiation mode, so that the spacecraft is seriously threatened, the spacecraft is slightly interfered and is difficult to work normally, and certain vulnerable parts of the spacecraft are damaged seriously, so that the spacecraft is thoroughly damaged and loses viability.
The electrostatic discharge refers to the accumulation of static charges on the surface or inside of the spacecraft under the influence of space plasmas, high-energy electrons, solar radiation and other environments during the on-orbit operation of the spacecraft, and the electrostatic discharge can occur when the potential reaches a certain degree. The discharge can cause the surface performance of the material to be reduced and even the material to be broken down, and can also cause the performance of solar cells, electronic devices and optical sensors to be reduced or damaged; strong electromagnetic pulses generated by discharge can seriously interfere with an instrument system in the spacecraft, so that the spacecraft is abnormal, failed and failed, and even the spacecraft is scrapped.
The existing electrostatic discharge experimental device can not change the discharge direction when carrying out electrostatic discharge, and can not carry out comprehensive research on the electrostatic discharge.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides an electrostatic discharge simulation apparatus to solve the problem that the electrostatic discharge apparatus in the prior art cannot change the discharge direction.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: an electrostatic discharge simulation device comprises a supporting rod, a horizontal plate, a U-shaped frame, a first support, a metal ball, an insulating ring and a discharge needle, wherein the horizontal plate is provided with a through hole matched with the supporting rod, the supporting rod penetrates through the through hole in the horizontal plate and is fixedly connected with the horizontal plate, the metal ball is fixedly connected with one end of the supporting rod, the cross rod in the U-shaped frame is provided with a through hole matched with the supporting rod, the supporting rod penetrates through the through hole in the cross rod in the U-shaped frame and is rotatably connected with the U-shaped frame, the cross rod in the U-shaped frame is positioned between the metal ball and the horizontal plate, the first support is rotatably connected with a first vertical rod in the U-shaped frame, the first support is fixedly connected with the insulating ring, the insulating ring is provided with an arc-shaped through hole matched with the supporting rod, and the supporting rod penetrates through the arc-shaped through hole in the insulating ring, the discharge needle is fixedly arranged on the insulating ring.
Furthermore, angle marks are arranged on the horizontal plate, and a first pointer is arranged on a cross rod of the U-shaped frame.
Further, the distance between the end part of the discharge needle and the surface of the metal ball is 1mm-1 cm.
Furthermore, the electrostatic discharge simulation device further comprises a vertical plate provided with an angle mark, the vertical plate is fixedly connected with the first vertical rod on the U-shaped frame, the first support is provided with a second pointer, and the second pointer on the first support is located on one side of the vertical plate with the angle mark.
Furthermore, the electrostatic discharge simulation device also comprises a second support, the second support is rotatably connected with a second vertical rod on the U-shaped frame, and the second support is fixedly connected with the insulating ring.
Furthermore, the support rod is a telescopic rod, and length marks are arranged on the telescopic rod.
Further, the metal ball is a hollow ball.
Furthermore, the support rod, the horizontal plate, the U-shaped frame, the first support and the insulating ring are all made of nylon materials.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model relates to an electrostatic discharge simulator, when carrying out the electrostatic discharge experiment, place the electrostatic discharge simulator in the electromagnetic pulse radiation environment, connect the discharge needle with high voltage power supply, connect the oscilloscope with the metal ball, electromagnetic pulse can induce and discharge between discharge needle and the metal ball, the oscilloscope gathers the electric current on the metal ball, the experimenter studies the discharge condition of discharge needle; the U-shaped frame is rotatably connected with the supporting rod, so that the horizontal angle of the discharge needle can be changed by rotating the U-shaped frame; the discharge needle is arranged on the insulating ring, the insulating ring is fixedly connected with the first support, the first support is rotatably connected with the first vertical rod on the U-shaped support, the insulating ring is driven to rotate on a vertical surface by rotating the first support, and the discharge needle is further driven to rotate on the vertical surface, so that the angle of the discharge needle in the vertical direction is changed; through the operation, can change the horizontal angle and the vertical angle of discharge needle, can realize that the discharge needle discharges in different angles and different position in magnetic field environment, realize the simulation of multiple discharge condition, the experimenter of being convenient for can the discharge comprehensive research of discharge needle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an electrostatic discharge simulation apparatus according to an embodiment of the present invention.
In the figure: 1. a support bar; 2. a horizontal plate; 3. a cross bar; 4. a first vertical bar; 5. a second vertical bar; 6. a first bracket; 7. a second bracket; 8. a metal ball; 9. an insulating ring; 10. a discharge needle; 11. a vertical plate; 12. a first pointer; 13. and a second pointer.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
As shown in fig. 1, the electrostatic discharge simulation apparatus includes a support rod 1, a horizontal plate 2, a U-shaped frame, first support 6, metal ball 8, insulating ring 9 and discharge needle 10, horizontal plate 2 is equipped with the through-hole with 1 adaptation of bracing piece, bracing piece 1 passes through the through-hole on the horizontal plate 2 and 2 fixed connection with horizontal plate, an end fixed connection of metal ball 8 and bracing piece 1, be equipped with the through-hole with 1 adaptation of bracing piece on the horizontal pole 3 on the U-shaped frame, bracing piece 1 passes the through-hole of horizontal pole 3 on the U-shaped frame and rotates with the U-shaped frame to be connected, horizontal pole 3 on the U-shaped frame is located between metal ball 8 and the horizontal plate 2, first montant 4 on first support 6 and the U-shaped frame rotates to be connected, first support 6 and insulating ring 9 fixed connection, be equipped with the arc through-hole with 1 adaptation of bracing piece on the insulating ring 9, bracing piece 1 passes the arc through-hole on the insulating ring 9, needle 10 fixed mounting is on insulating ring.
When an electrostatic discharge experiment is carried out, the electrostatic discharge simulation device is placed in an electromagnetic pulse radiation environment, the discharge needle 10 is connected with a high-voltage power supply, the metal ball 8 is connected with an oscilloscope, the electromagnetic pulse can induce discharge between the discharge needle 10 and the metal ball 8, the oscilloscope collects current on the metal ball 8, and an experimenter studies the discharge condition of the discharge needle 10; because the U-shaped frame is rotationally connected with the support rod 1, the horizontal angle of the discharge needle 10 can be changed by rotating the U-shaped frame; the discharge needle 10 is arranged on the insulating ring 9, the insulating ring 9 is fixedly connected with the first support 6, the first support 6 is rotatably connected with the first vertical rod 4 on the U-shaped support, the insulating ring 9 is driven to rotate on a vertical surface by rotating the first support 6, the discharge needle 10 is further driven to rotate on the vertical surface, and the angle of the discharge needle 10 in the vertical direction is changed; through the operation, can change the horizontal angle and the vertical angle of discharge needle 10, can realize that discharge needle 10 discharges in different angles and different position in magnetic field environment, realize the simulation of multiple discharge condition, the experimenter of being convenient for can discharge the comprehensive research that needle 10 discharged.
In one embodiment of the present invention, the horizontal plate 2 is provided with an angle mark, and the cross bar 3 of the U-shaped frame is provided with a first pointer 12. When the U-shaped frame rotates around the bracing piece 1, the angle mark on the directional horizontal plate 2 of first pointer 12 on the U-shaped frame horizontal pole 3, the experimenter can learn the angle of discharge needle 10 horizontal rotation and the angle of discharge needle 10 on the horizontal plane position through observing the angle mark on the directional horizontal plate 2 of first pointer 12, the experimenter of being convenient for can be to the accurate regulation of discharge needle 10 angle on the horizontal plane.
In one embodiment of the present invention, the distance between the end of the discharge needle 10 and the surface of the metal ball 8 is 1mm-1 cm.
The discharge intensity and the discharge easiness of the discharge needle 10 can be studied by adjusting the distance between the end of the discharge needle 10 and the surface of the metal ball 8.
The utility model discloses an in the embodiment, electrostatic discharge analogue means still includes the vertical board 11 that is equipped with the angle mark, the 4 fixed connection of first montant on vertical board 11 and the U-shaped frame, is equipped with second pointer 13 on the first support 6, and second pointer 13 on the first support 6 is located one side that vertical board 11 has the angle mark.
When rotatory first support 6, first support 6 can rotate with 4 relative rotations of first montant on the U-shaped frame, it rotates at vertical direction to drive the insulator ring 9, and then make the discharge needle 10 of fixing on the insulator ring 9 rotate at vertical direction, second pointer 13 on the first support 6 also rotates in step when first support 6 rotates, the angle mark on directional vertical board 11, can observe the direction of rotation of discharge needle 10 in vertical direction and the position in vertical direction through this kind of design experimenter, the experimenter of being convenient for can be to the accurate regulation of discharge needle 10 angle on vertical face.
The utility model discloses an embodiment still includes second support 7, and second montant 5 on second support 7 and the U-shaped frame rotates to be connected, second support 7 and 9 fixed connection of insulating ring.
The second support 7 is arranged, the second support 7 can rotate with the second vertical rod 5 on the U-shaped support, and when the angle of the discharge needle 10 in the vertical direction is adjusted, the first support 6 and the second support 7 synchronously rotate so as to drive the insulating ring 9 to rotate on the vertical surface; first support 6 and second support 7 are fixed respectively in the both sides that correspond on insulating ring 9, can strengthen insulating ring 9's stability, improve the holistic stability of device.
In an embodiment of the present invention, the supporting rod 1 is a telescopic rod, and the telescopic rod is provided with a length mark. The change of 1 length of bracing piece can be realized to this kind of design, and then changes the height of spray point 10 in vertical direction, is equipped with the length mark on the telescopic link and is convenient for the experimenter can know the length of telescopic link, learns the height of spray point 10 vertical direction.
In one embodiment of the present invention, the metal ball 8 is a hollow ball. The metal ball 8 is set as the hollow ball, so that the overall weight of the device can be reduced, meanwhile, the experiment personnel can conveniently use the wire and the metal ball 8 to connect, the connection between the metal ball 8 and the oscilloscope is realized, and the oscilloscope collects the discharge current on the metal ball 8.
In one embodiment of the present invention, the support rod 1, the horizontal plate 2, the U-shaped frame, the first support 6 and the insulation ring 9 are made of nylon material. The nylon material can enhance the overall mechanical strength of the device, reduce the overall weight of the device, ensure the overall insulation of the device and realize the discharge between the discharge needle 10 and the metal ball 8.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. An electrostatic discharge simulation device is characterized by comprising a supporting rod, a horizontal plate, a U-shaped frame, a first support, a metal ball, an insulating ring and a discharge needle, wherein the horizontal plate is provided with a through hole matched with the supporting rod, the supporting rod penetrates through the through hole in the horizontal plate and is fixedly connected with the horizontal plate, the metal ball is fixedly connected with one end of the supporting rod, the cross rod on the U-shaped frame is provided with a through hole matched with the supporting rod, the supporting rod penetrates through the through hole in the cross rod on the U-shaped frame and is rotatably connected with the U-shaped frame, the cross rod on the U-shaped frame is positioned between the metal ball and the horizontal plate, the first support is rotatably connected with a first vertical rod on the U-shaped frame, the first support is fixedly connected with the insulating ring, the insulating ring is provided with an arc-shaped through hole matched with the supporting rod, the support rod penetrates through the arc-shaped through hole in the insulating ring, and the discharge needle is fixedly installed on the insulating ring.
2. The electrostatic discharge simulation apparatus according to claim 1, wherein the horizontal plate is provided with an angle mark, and the cross bar of the U-shaped frame is provided with a first pointer.
3. The electrostatic discharge simulation apparatus according to claim 1, wherein the end of the discharge needle is spaced from the surface of the metal ball by a distance of 1mm to 1 cm.
4. The electrostatic discharge simulation apparatus according to claim 1, further comprising a vertical plate having an angle mark, wherein the vertical plate is fixedly connected to the first vertical bar on the U-shaped frame, the first frame is provided with a second pointer, and the second pointer on the first frame is located on one side of the vertical plate having the angle mark.
5. The electrostatic discharge simulation apparatus according to claim 1, further comprising a second bracket rotatably connected to a second vertical rod of the U-shaped frame, wherein the second bracket is fixedly connected to the insulating ring.
6. The electrostatic discharge simulation apparatus according to claim 1, wherein the support rod is a telescopic rod, and the telescopic rod is provided with a length mark.
7. The electrostatic discharge simulation apparatus of claim 1, wherein the metal ball is a hollow ball.
8. The electrostatic discharge simulation apparatus according to claim 1, wherein the support rod, the horizontal plate, the U-shaped frame, the first bracket and the insulating ring are made of nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157647.3U CN209746896U (en) | 2019-01-29 | 2019-01-29 | Electrostatic discharge simulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157647.3U CN209746896U (en) | 2019-01-29 | 2019-01-29 | Electrostatic discharge simulation device |
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| CN209746896U true CN209746896U (en) | 2019-12-06 |
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| CN201920157647.3U Active CN209746896U (en) | 2019-01-29 | 2019-01-29 | Electrostatic discharge simulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702784A (en) * | 2021-08-30 | 2021-11-26 | 河北科技大学 | Electrostatic electromagnetic pulse induced needle-plate discharge experimental device |
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2019
- 2019-01-29 CN CN201920157647.3U patent/CN209746896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702784A (en) * | 2021-08-30 | 2021-11-26 | 河北科技大学 | Electrostatic electromagnetic pulse induced needle-plate discharge experimental device |
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