Electric field monitoring device for electromagnetic compatibility radiation immunity test
By setting up a sponge pad on the sample placement platform of the electromagnetic compatibility test device and fixing the wiring pole with magnets, the troubles of sample sliding drop and ground wire connection removal in the prior art are solved, and a more efficient and safe electromagnetic compatibility test is achieved.
Patent Information
- Application Number
- CN202420491948.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-14
AI Technical Summary
The electromagnetic compatibility testing device of existing power online monitoring equipment needs to be placed and fixed before inspection. The placement platform is too smooth and can easily cause the sample to be tested to slide and fall, causing damage, and the ground wire connection and disassembly are too troublesome.
An electric field monitoring device for electromagnetically compatible radiation immunity testing was designed, and the following measures were taken: 1) A soft sponge pad was installed on the sample placement platform to prevent the sample from sliding; 2) The docking pole was fixed by using magnets to fix the metal adsorption force, and it could be quickly disassembled at any time.
It effectively prevents the sample being tested from sliding and falling before detection, improves the safety and efficiency of detection, and simplifies the connection and disassembly of the ground wire, improving the convenience of maintenance.
Smart Images

Figure CN222599757U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electric field monitoring for electromagnetic compatibility radiation immunity test, and in particular relates to an electric field monitoring device for electromagnetic compatibility radiation immunity test. Background Art
[0002] In order to ensure the function and operational reliability of the online monitoring device, the online monitoring device should be subjected to performance inspection and acceptance before being put into operation. One of the most important tests is the electromagnetic compatibility test. The electromagnetic compatibility test equipment of the existing power online monitoring equipment includes an electromagnetic compatibility tester, a host computer, an insulating support, a ground reference plane and a non-metallic base. This type of testing equipment requires the sample to be placed and fixed before testing. If the placement platform is too smooth, the sample to be tested may easily slide and fall, causing damage, and the grounding wire connection and removal are too troublesome. Utility Model Content
[0003] In view of the above technical problems, the utility model provides an electric field monitoring device for electromagnetic compatibility radiation immunity testing. A soft sponge pad is arranged on the sample placement platform to prevent the sample from sliding and falling. The wiring rod is fixed by the adsorption force of the magnet on the metal, and can be quickly disassembled at any time.
[0004] The technical solution is as follows: an electric field monitoring device for electromagnetic compatibility radiation immunity test, including an insulating workbench, a metal conductive plate is inlaid on the upper part of the insulating workbench, a positioning slot is opened on the inner right side of the metal conductive plate, and an electromagnetic compatibility laying immunity detector body is installed on the upper left side of the metal conductive plate. It is characterized in that a detachable grounding wire fixture is installed on the upper part of the metal conductive plate, an adjustable workpiece positioning seat is arranged on the upper right side of the metal conductive plate, a workpiece to be detected is arranged on the upper part of the adjustable workpiece positioning seat, a grounding wire is welded on the lower right side of the metal conductive plate, and a voltage detector is installed on the inner side of the grounding wire.
[0005] Preferably, the detachable grounding wire holder comprises an insulating shell, an adsorption magnet is fixed to the lower part of the insulating shell, a conductive grounding rod is inserted into the inner center position of the insulating shell, a compression spring is placed on the inner upper part of the insulating shell, and a wire fixing ring is fixed to the upper part of the conductive grounding rod.
[0006] Preferably, the adjustable workpiece positioning seat comprises an insulating movable plate, a positioning protrusion is integrally provided on the lower portion of the insulating movable plate, and a sponge anti-slip pad is glued to the upper portion of the insulating movable plate.
[0007] Preferably, a grounding wire is provided at the lower right portion of the main body of the electromagnetic compatibility installation immunity tester, and the grounding wire is connected to the inner bolt of the wire fixing ring.
[0008] Preferably, a limit ring is integrally provided on the lower outer portion of the conductive grounding rod, and the limit ring is arranged on the inner side of the insulating shell, and the limit ring is located at the lower portion of the compression spring.
[0009] Preferably, the lower portion of the conductive grounding rod passes through the inner side of the adsorption magnet, and the bottom of the conductive grounding rod contacts the surface of the metal conductive plate.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. In the utility model, the arrangement of the insulating shell, the adsorption magnet, the conductive grounding rod, the compression spring and the wire fixing ring is conducive to quickly connecting the grounding wire of the electromagnetic compatibility laying immunity tester body to the surface of the metal conductive plate, and is convenient for adjusting the contact position of the grounding wire and maintaining it after disassembly.
[0012] 2. In the present invention, the provision of the insulating movable plate, the positioning protrusions and the sponge anti-skid pad is conducive to fixing the workpiece to be inspected, and does not require fixing parts, so it is easy to take at any time, thereby improving the inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model.
[0014] Figure 2 The utility model is a structural schematic diagram of a detachable grounding wire fixer.
[0015] Figure 3 It is a structural schematic diagram of the adjustable workpiece positioning seat of the utility model.
[0016] In the figure:
[0017] 1. Insulated workbench; 2. Metal conductive plate; 3. Positioning slot; 4. Electromagnetic compatibility laying immunity tester body; 5. Removable grounding wire holder; 51. Insulated shell; 52. Adsorption magnet; 53. Conductive grounding rod; 54. Compression spring; 55. Wire fixing ring; 6. Adjustable workpiece positioning seat; 61. Insulated moving plate; 62. Positioning protrusion; 63. Sponge anti-slip pad; 7. Workpiece to be tested; 8. Grounding wire; 9. Voltage detector. DETAILED DESCRIPTION
[0018] The utility model is further described below in conjunction with the accompanying drawings:
[0019] Example:
[0020] As attached Figure 1As shown, an electric field monitoring device for electromagnetic compatibility radiation immunity test comprises an insulating workbench 1, wherein a metal conductive plate 2 is inlaid on the upper part of the insulating workbench 1, a positioning slot 3 is provided on the inner right side of the metal conductive plate 2, and an electromagnetic compatibility laying immunity detector body 4 is installed on the upper left side of the metal conductive plate 2, characterized in that a detachable grounding wire fixture 5 is installed on the upper part of the metal conductive plate 2, an adjustable workpiece positioning seat 6 is provided on the upper right side of the metal conductive plate 2, a workpiece to be detected 7 is provided on the upper part of the adjustable workpiece positioning seat 6, a grounding wire 8 is welded on the lower right part of the metal conductive plate 2, and a voltage detector 9 is installed on the inner side of the grounding wire 8; the detachable grounding wire fixture 5 comprises an insulating shell 51, an adsorption magnet 52 is fixed on the lower part of the insulating shell 51, a conductive grounding rod 53 is inserted at the inner center position of the insulating shell 51, a compression spring 54 is placed on the inner upper part of the insulating shell 51, and a wire fixing ring 55 is fixed on the upper part of the conductive grounding rod 53.
[0021] As attached Figure 3 As shown, in the above embodiment, specifically, the adjustable workpiece positioning seat 6 includes an insulating movable plate 61 , a positioning protrusion 62 is integrally provided at the lower portion of the insulating movable plate 61 , and a sponge anti-slip pad 63 is glued to the upper portion of the insulating movable plate 61 .
[0022] In the above embodiment, specifically, the lower portion of the conductive grounding rod 53 passes through the inner side of the adsorption magnet 52 , and the bottom of the conductive grounding rod 53 contacts the surface of the metal conductive plate 2 .
[0023] In the above embodiment, specifically, the insulating shell 51 is located on the right side of the electromagnetic compatibility installation immunity tester body 4, and the adsorption magnet 52 is adsorbed on the surface of the metal conductive plate.
[0024] In the above embodiment, specifically, the insulating movable plate 61 is placed on the upper right side of the metal conductive plate 2 , and the positioning protrusion 62 is inserted into the inner side of the positioning slot 3 .
[0025] In the above embodiment, specifically, the workpiece 7 to be detected is placed on the upper part of the sponge anti-slip pad 63, and the workpiece 7 to be detected is connected to the main body 4 of the electromagnetic compatibility immunity tester through a wire.
[0026] How it works
[0027] The working principle of the utility model is as follows: the staff first adjusts the position of the insulating movable plate 61 on the upper part of the metal conductive plate 2, and inserts the positioning protrusion 62 into the positioning slot 3 at the right position, and then places the workpiece 7 to be detected on the upper part of the sponge anti-skid pad 63. The soft sponge anti-skid pad 63 can prevent the workpiece 7 to be detected from sliding. Then, the workpiece 7 to be detected is detected through the electromagnetic compatibility laying anti-interference detector body 4, and the voltage detector 9 detects the grounding voltage. When it is necessary to change the grounding wire position of the electromagnetic compatibility laying anti-interference detector body 4 or disassemble and maintain it, the insulating shell 51 can be moved upward to separate the adsorption magnet 52 and the metal conductive plate 2, and then the bolts on the wire fixing ring 5 are removed, which is convenient for quick disassembly and maintenance or replacement of the grounding wire position.
[0028] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.
Claims
1. An electric field monitoring device for electromagnetic compatibility radiation immunity test, the electric field monitoring device for electromagnetic compatibility radiation immunity test, comprising an insulating workbench (1), a metal conductive plate (2) is inlaid on the upper part of the insulating workbench (1), a positioning card slot (3) is opened on the right side of the inside of the metal conductive plate (2), and an electromagnetic compatibility laying immunity detector body (4) is installed on the upper left side of the metal conductive plate (2), characterized in that: A detachable grounding wire holder (5) is installed on the upper part of the metal conductive plate (2); an adjustable workpiece positioning seat (6) is arranged on the upper right side of the metal conductive plate (2); a workpiece to be detected (7) is arranged on the upper part of the adjustable workpiece positioning seat (6); a grounding wire (8) is welded on the lower right side of the metal conductive plate (2); and a voltage detector (9) is installed on the inner side of the grounding wire (8).
2. The electric field monitoring device for electromagnetic compatibility radiation immunity testing according to claim 1, characterized in that: The detachable grounding wire holder (5) comprises an insulating shell (51), an adsorption magnet (52) is fixed at the lower part of the insulating shell (51), a conductive grounding rod (53) is inserted at the inner center of the insulating shell (51), a compression spring (54) is placed at the inner upper part of the insulating shell (51), and a wire fixing ring (55) is fixed at the upper part of the conductive grounding rod (53).
3. The electric field monitoring device for electromagnetic compatibility radiation immunity testing according to claim 1, characterized in that: The adjustable workpiece positioning seat (6) comprises an insulating movable plate (61), the lower part of which is integrally provided with a positioning protrusion (62), and the upper part of which is glued with a sponge anti-slip pad (63).
4. The electric field monitoring device for electromagnetic compatibility radiation immunity testing according to claim 2, characterized in that: A grounding wire is provided at the lower right part of the main body (4) of the electromagnetic compatibility installation immunity detector, and the grounding wire is connected to the inner bolt of the wire fixing ring (55).
5. The electric field monitoring device for electromagnetic compatibility radiation immunity testing according to claim 2, characterized in that: A limit ring is integrally provided at the lower outer portion of the conductive grounding rod (53), and the limit ring is arranged on the inner side of the insulating shell (51), and the limit ring is located at the lower portion of the compression spring (54).
6. The electric field monitoring device for electromagnetic compatibility radiation immunity testing according to claim 2, characterized in that: The lower part of the conductive grounding rod (53) passes through the inner side of the adsorption magnet (52), and the bottom of the conductive grounding rod (53) contacts the surface of the metal conductive plate (2).