Calibration auxiliary device for movable electrostatic discharge simulator

Abstract

The utility model discloses a movable electrostatic discharge simulator calibration auxiliary device, which belongs to the technical field of terminal detection and comprises an integral frame, a calibration metal plate is arranged on the integral frame, and a calibration target is arranged in the middle of one side of the calibration metal plate. An electrostatic gun positioning device used for fixing an electrostatic gun is arranged at the position, corresponding to the same side of the calibration target, of the overall frame, and a calibration metal plate on the lower portion of the electrostatic gun positioning device is connected with one end of a grounding wire groove. The utility model discloses a movable electrostatic discharge simulator calibration auxiliary device which is simple in structure, low in design and manufacturing cost, small in occupied area and labor-saving, and calibration requirements of different electrostatic discharge simulator test sites can be met by moving the calibration device. Horizontal and vertical positioning of the electrostatic gun can be guaranteed through the electrostatic gun positioning device, positioning operation of the electrostatic gun is rapidly achieved, consistency and reliability of calibration results and alignment efficiency of the electrostatic gun and the target center are improved, and manpower is saved. The grounding wire is ensured to meet the positioning and bending requirements of the wire harness in the calibration process of the electrostatic discharge simulator through the grounding wire groove, and the standardization of the calibration test is improved.

Description

Technical Field

[0001] The utility model discloses a movable electrostatic discharge simulator calibration auxiliary device, belonging to the technical field of terminal detection. Background Art

[0002] With the rapid development of intelligent networking and electrification of automobiles, there are more and more electronic and electrical components in automobiles, and there are more and more EMC interference problems in automobiles. Electrostatic discharge is one of the important test items in the EMC test of automotive parts, which is used to verify and evaluate the product's ability to resist electrostatic discharge from the human body. Before performing electrostatic discharge on components, the electrostatic discharge simulator needs to be calibrated according to the ISO 10605 standard.

[0003] The existing electrostatic discharge simulator calibration auxiliary device in the industry adopts the Faraday cage method. The main frame is made of high-performance and high-quality shielding materials, and the surface is sprayed with related processes. It needs to be equipped with a dedicated shielding door, and is internally equipped with an EMI power filter and a test workbench. It lacks an electrostatic gun positioning device, and it is difficult to ensure the consistency of the test results. It has the disadvantages of being unable to move or difficult to move, high manufacturing cost, complex structure, poor consistency, large footprint, and affecting test efficiency. Utility Model Content

[0004] The utility model aims to solve the problems of the existing Faraday cage electrostatic discharge calibration device, such as complex structure, high design and manufacturing cost, large floor space, poor consistency, low precision, and difficulty or immobility in movement, and proposes a movable electrostatic discharge simulator calibration auxiliary device.

[0005] The problem to be solved by the utility model is achieved by the following technical solutions:

[0006] A movable electrostatic discharge simulator calibration auxiliary device comprises an overall frame, a calibration metal plate is arranged on the overall frame, a calibration target is arranged in the middle of one side of the calibration metal plate, an electrostatic gun positioning device for fixing the electrostatic gun is arranged at the same side position of the overall frame corresponding to the calibration target, and the calibration metal plate at the bottom of the electrostatic gun positioning device is connected to one end of a grounding wire trough.

[0007] Preferably, the overall frame includes two support columns connected by two ends of the bottom horizontal support rod, and a first support plate and a second support plate are respectively mounted between the two support columns on the upper part of the bottom horizontal support rod, and limiting grooves for pull-out and embedded cooperation with the calibration metal plate are respectively provided on opposite sides of the two support columns.

[0008] Preferably, the electrostatic gun positioning device includes a first positioning block fixed on the second support plate, a second positioning block is fixed on the first positioning block, two vertical U-shaped brackets are respectively arranged on the sides of the first positioning block, and a horizontal U-shaped bracket is arranged on the second positioning block.

[0009] Preferably, the distance between the first support plate and the second support plate is 40-60 cm.

[0010] Preferably, the distance between the connection point between one end of the grounding wire trough and the calibration metal plate and the calibration target is 0.5 m, and the length of the grounding wire trough is at most 1 m.

[0011] Preferably, Foma universal wheels are respectively provided at the bottom of the support column near both ends.

[0012] The utility model has the following beneficial effects compared with the prior art:

[0013] The utility model discloses a movable electrostatic discharge simulator calibration auxiliary device, which has a simple structure, low design and manufacturing cost, small footprint, and saves manpower. The mobile calibration device can meet the calibration requirements of different electrostatic discharge simulator test sites. The electrostatic gun positioning device can ensure the horizontal and vertical positioning of the electrostatic gun, quickly realize the electrostatic gun positioning operation, improve the consistency and reliability of the calibration results, and the efficiency of aligning the electrostatic gun with the center of the target, saving manpower. The grounding wire trough is used to ensure that the grounding wire meets the positioning and bending requirements of the wire harness during the electrostatic discharge simulator calibration process, thereby improving the standardization of the calibration test. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model discloses an overall structural diagram of a movable electrostatic discharge simulator calibration auxiliary device.

[0015] Figure 2 It is an enlarged view of point A of the present utility model.

[0016] Among them, 1-calibration metal plate, 2-overall frame, 3-calibration target, 4-fixed electrostatic gun, 5-static gun positioning device, 6-grounding wire trough, 21-support column, 22-first support plate, 23-second support plate, 24-bottom horizontal support rod, 25-Foma universal wheel, 211-limiting groove, 51-horizontal U-shaped bracket, 52-second positioning block, 53-vertical U-shaped bracket, 54-first positioning block. DETAILED DESCRIPTION

[0017] The following is based on the attached Figure 1 and 2 The utility model is further described as follows:

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figure 1 As shown, the first embodiment of the utility model provides a movable electrostatic discharge simulator calibration auxiliary device on the basis of the prior art, characterized in that it includes an overall frame 2, a calibration metal plate 1 is installed on the overall frame 2, a calibration target 3 is installed in the middle of one side of the calibration metal plate 1, and an electrostatic gun positioning device 5 for fixing the electrostatic gun 4 is installed on the overall frame 2 at the same side as the calibration target 3, and the calibration metal plate 1 at the lower part of the electrostatic gun positioning device 5 is connected to one end of the grounding wire trough 6. The specific structure of the above-mentioned components and the connection relationship between them will be introduced in detail below.

[0022] The overall frame 2 is made of wood and includes two support columns 21 riveted at both ends of a bottom horizontal support rod 24. A first support plate 22 and a second support plate 23 are respectively mounted between the two support columns 21 above the bottom horizontal support rod 24. The first support plate 22 and the second support plate 23 are respectively fitted with a calibration metal plate, such as Figure 2 As shown, the two support columns 21 are provided with respective limit grooves 211 on opposite sides thereof for being pull-out and embedded with the calibration metal plate 1. The distance between the first support plate 22 and the second support plate 23 is 40-60 cm.

[0023] The electrostatic gun positioning device 5 includes a first positioning block 54 fixed to the second support plate 23 by bolts, a second positioning block 52 fixed to the first positioning block 54 by bolts, two vertical U-shaped brackets 53 are respectively installed on the side of the first positioning block 54 by bolts, which can realize the rapid positioning of the electrostatic gun in the horizontal direction, and a horizontal U-shaped bracket 51 is installed on the second positioning block 52 by bolts, which can realize the rapid positioning of the electrostatic gun in the vertical direction. By adjusting the two vertical U-shaped brackets 53 and the horizontal U-shaped bracket 51, the vertical and horizontal directions of electrostatic guns of different sizes can be quickly positioned, the consistency and reliability of the calibration results and the efficiency of aligning the electrostatic gun with the center of the target are improved, and manpower is saved.

[0024] The distance between the connection point between one end of the grounding wire trough 6 and the calibration metal plate 1 and the calibration target 3 is 0.5m, and the length of the grounding wire trough 6 is 1m. One end of the grounding wire trough 6 is connected to the grounding point of the calibration metal plate 1, and the other end is connected to the center of the grounding wire of the electrostatic gun 4, that is, the bending part of the grounding wire, and forms an isosceles triangle with the calibration metal plate. During the calibration process, it is ensured that the wrapped part of the grounding wire trough will not bend or fold, and always remain straight, and the grounding wire does not touch the ground.

[0025] The bottom of the support column 21 is provided with a Fomar universal wheel 25 near both ends. It makes it easier to move and change direction during movement. It will not move after being locked during calibration. After calibration, it can be moved to other locations in the laboratory, saving space, or moved to the location where the next device needs to be calibrated.

[0026] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and the embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily realized. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described here.

Claims

1. A movable electrostatic discharge simulator calibration auxiliary device, characterized in that: The invention comprises an overall frame (2), wherein a calibration metal plate (1) is arranged on the overall frame (2), a calibration target (3) is arranged in the middle of one side of the calibration metal plate (1), an electrostatic gun positioning device (5) for fixing an electrostatic gun (4) is arranged at a position on the same side of the overall frame (2) corresponding to the calibration target (3), and the calibration metal plate (1) at the bottom of the electrostatic gun positioning device (5) is connected to one end of a grounding wire trough (6).

2. A movable electrostatic discharge simulator calibration auxiliary device according to claim 1, characterized in that: The overall frame (2) comprises two support columns (21) connected at both ends of a bottom horizontal support rod (24), a first support plate (22) and a second support plate (23) are respectively mounted between the two support columns (21) above the bottom horizontal support rod (24), and limiting grooves (211) for pull-out engagement with the calibration metal plate (1) are respectively provided on opposite sides of the two support columns (21).

3. A movable electrostatic discharge simulator calibration auxiliary device according to claim 2, characterized in that: The electrostatic gun positioning device (5) comprises a first positioning block (54) fixed on a second support plate (23), a second positioning block (52) being fixed on the first positioning block (54), two vertical U-shaped brackets (53) being respectively arranged on the sides of the first positioning block (54), and a horizontal U-shaped bracket (51) being arranged on the second positioning block (52).

4. A movable electrostatic discharge simulator calibration auxiliary device according to claim 3, characterized in that: The distance between the first support plate (22) and the second support plate (23) is 40-60 cm.

5. A movable electrostatic discharge simulator calibration auxiliary device according to claim 4, characterized in that: The distance between the connection point between one end of the grounding wire trough (6) and the calibration metal plate (1) and the calibration target (3) is 0.5 m, and the length of the grounding wire trough (6) is 1 m.

6. A movable electrostatic discharge simulator calibration auxiliary device according to claim 5, characterized in that: The bottom of the support column (21) is respectively provided with Fomar universal wheels (25) near both ends.

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