A multifunctional EMC electromagnetic compatibility test device

Abstract

The application provides a multifunctional EMC electromagnetic compatibility test device, which comprises a test table, supporting legs, a wiring seat, test equipment, an observable shielding box structure, a slidable interference shielding frame structure, a rotatable clamping fixing plate structure and a pushable storage box structure, and the bottom corners of the test table are respectively bolted with the supporting legs. The sleeve joint box, the shielding plate, the sliding hole, the T-shaped moving seat and the first fixing plate are cooperatively arranged, which is conducive to moving the T-shaped moving seat and driving the arranged EMI filter or electromagnetic interference device during the electromagnetic compatibility test, and facilitates the electromagnetic interference test during the experiment. The test table, the box seat, the shielding box and the observation sheet are cooperatively arranged, which is conducive to the observation work through the observation sheet during the compatibility test, and facilitates the equipment observation during the compatibility test.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of electromagnetic compatibility test equipment, and particularly relates to a multifunctional EMC electromagnetic compatibility test device. BACKGROUND

[0002] Electromagnetic compatibility (EMC) refers to the ability of a device or system to function in its electromagnetic environment without causing intolerable electromagnetic interference to any device in the environment. Therefore, EMC includes two aspects of requirements: on the one hand, it refers to the electromagnetic interference generated by the device in the normal operation process to the environment cannot exceed a certain limit; on the other hand, the device has a certain degree of anti-interference to the electromagnetic interference existing in the environment, i.e. electromagnetic sensitivity. In order to understand the electromagnetic compatibility of the device, people have invented an EMC electromagnetic compatibility test device. The existing electromagnetic compatibility test device cannot adjust the distance for experimental work during the experiment, cannot observe the test process during the experiment, and is prone to damage the wire body during the experiment. SUMMARY

[0003] In order to solve the above technical problems, the present application provides a multifunctional EMC electromagnetic compatibility test device, which sets an adjusting mechanism during use, facilitates compatible test work of different distances, improves the device placing mechanism during the test, facilitates observation work during the experiment, and improves the wire body fixing mechanism during the test to prevent the wire body from being damaged during the experiment.

[0004] A multifunctional EMC electromagnetic compatibility test device, comprising a test table, the bottom corners of the test table are respectively bolted with support legs; the upper end rear of the test table is bolted with a wiring seat; the upper end left side of the test table is fixed with a test device, characterized in that the upper end middle position of the test table is connected with an observable shielding box structure; the upper end left side of the test table is also provided with a slidable shielding interference frame structure; the upper end left side middle position of the test table is connected with a rotatable clamping fixing plate structure; the bottom between the support legs is provided with a pushable storage box structure; the observable shielding box structure comprises a box seat, the upper end inside of the box seat is inserted with a shielding box; the top end middle position of the shielding box is inlaid with an observation piece.

[0005] Preferably, the slidable shielding interference frame structure comprises a sleeve box, the upper end of the sleeve box is respectively bolted at the bottom end left and right sides of a shielding plate; the inside middle position of the shielding plate is transversely provided with a sliding hole; the inside of the sliding hole is slidably penetrated with a T-shaped moving seat; the bottom end inside of the sleeve box is respectively inserted with a first fixing plate.

[0006] Preferably, the rotatable clamping fixed plate structure comprises a second fixed plate, the rear end of the second fixed plate is bolted with a T-shaped fixed rod; the outer wall of the upper end of the T-shaped fixed rod is respectively sleeved with a rotating ring on the left and right sides; the rotating ring is respectively bolted on the left and right sides of the middle position of the rear end of the pressing cover plate; the bottom end of the pressing cover plate is glued with a sponge strip.

[0007] Preferably, the pushable storage box structure comprises a bottom plate, the upper end of the middle position of the bottom plate is bolted with a storage box; the upper end of the storage box is provided with a storage cavity in the inner part; the inner wall of the middle position of the storage cavity is provided with a separation plate.

[0008] Compared with the prior art, the present application has the following beneficial effects:

[0009] 1. In the present application, the sleeved box, the shielding plate, the sliding hole, the T-shaped moving seat and the first fixed plate are matched and arranged, which is beneficial to moving the T-shaped moving seat during the electromagnetic compatibility test, and driving the arranged EMI filter or electromagnetic interference device, so as to facilitate the purpose of electromagnetic interference test during the experiment.

[0010] 2. In the present application, the test bench, the box seat, the shielding box and the observation piece are matched and arranged, which is beneficial to observing through the observation piece during the compatibility test, so as to facilitate the purpose of equipment observation during the compatibility test.

[0011] 3. In the present application, the test bench, the second fixed plate, the T-shaped fixed rod, the rotating ring, the pressing cover plate and the sponge strip are matched and arranged, which is beneficial to clamping and fixing the connecting wire through the cooperation of the second fixed plate and the pressing cover plate during the compatibility test, so as to prevent the wire body from being damaged during the test, and affect the experimental effect and test efficiency. DETAILED DESCRIPTION

[0012] Figure 1 It is a structural schematic diagram of the present application.

[0013] Figure 2 It is a structural schematic diagram of the observable shielding box structure of the present application.

[0014] Figure 3 It is a structural schematic diagram of the slidable shielding interference frame structure of the present application.

[0015] Figure 4 It is a structural schematic diagram of the rotatable clamping fixed plate structure of the present application.

[0016] Figure 5 It is a structural schematic diagram of the pushable storage box structure of the present application.

[0017] In the drawings:

[0018] 1. Test bench; 2. Support legs; 3. Terminal block; 4. Test equipment; 5. Observable shielded box structure; 51. Box base; 52. Shielded box; 53. Observation plate; 6. Sliding interference shielding frame structure; 61. Socket box; 62. Shielding plate; 63. Sliding hole; 64. T-shaped moving seat; 65. First fixing plate; 7. Rotatable clamping fixing plate structure; 71. Second fixing plate; 72. T-shaped fixing rod; 73. Rotating ring; 74. Pressing plate; 75. Sponge strip; 8. Pushable storage box structure; 81. Base plate; 82. Storage box; 83. Storage cavity; 84. Separation plate. Detailed Implementation

[0019] The present invention will now be described in detail with reference to the accompanying drawings, as shown below. Figure 1 and attached Figure 2 As shown, a multifunctional EMC electromagnetic compatibility testing device includes a test bench 1, support legs 2, a terminal block 3, testing equipment 4, an observable shielded box structure 5, a slidable interference shielding frame structure 6, a rotatable clamping and fixing plate structure 7, and a pushable storage box structure 8. Support legs 2 are bolted to the four corners of the bottom of the test bench 1; the terminal block 3 is bolted to the rear of the upper end of the test bench 1; the testing equipment 4 is fixed to the upper left side of the test bench 1; the observable shielded box structure 5 is connected to the middle of the upper end of the test bench 1; and the slidable interference shielding frame structure 6 is also provided on the upper left side of the test bench 1. A rotatable clamping and fixing plate structure 7 is connected to the middle position of the upper left side of the platform 1; a pushable storage box structure 8 is provided at the bottom between the supporting legs 2; the observable shielded box structure 5 includes a box base 51, a shielded box 52 and an observation plate 53, with the shielded box 52 inserted into the upper end of the box base 51; the observation plate 53 is embedded in the middle position of the top of the shielded box 52; when conducting the test, the test platform 1 is fixed in a suitable position, and an external power supply is connected using an external wire. The shielded box 52 is opened, and then the equipment is placed in the equipment placement slot opened in the middle position of the upper end of the box base 51, and the wiring is done through the set wiring strip.

[0020] In this implementation plan, in conjunction with the appendix Figure 3As shown, the slidable shielding interference frame structure 6 includes a sleeve box 61, a shielding plate 62, a sliding hole 63, a T-shaped moving seat 64 and a first fixed plate 65, the upper end of the sleeve box 61 is bolted on the bottom end of the left and right sides of the shielding plate 62 respectively; the inside of the shielding plate 62 is horizontally provided with the sliding hole 63 at the middle position; the inside of the sliding hole 63 is slidably penetrated by the T-shaped moving seat 64; the bottom end of the sleeve box 61 is respectively inserted with the first fixed plate 65; during the experiment, according to the needs of the experimental work, the sleeve box 61 is sleeved on the upper end of the outer wall of the first fixed plate 65, and the EMI filter or electromagnetic interference device is arranged at the bottom end of the T-shaped moving seat 64, the T-shaped moving seat 64 is pushed to move, and the EMI filter or electromagnetic interference device is also moved, so that the electromagnetic compatibility test is realized by adjusting the distance during the experiment.

[0021] In this embodiment, the accompanying drawings are combined Figure 4 As shown, the rotatable clamping fixed plate structure 7 includes a second fixed plate 71, a T-shaped fixed rod 72, a rotating ring 73, a pressure covering plate 74 and a sponge strip 75, the rear end of the second fixed plate 71 is bolted with the T-shaped fixed rod 72; the upper end of the outer wall of the T-shaped fixed rod 72 is respectively sleeved with the rotating ring 73; the rotating ring 73 is bolted on the left and right sides of the rear end of the middle position of the pressure covering plate 74 respectively; the bottom end of the pressure covering plate 74 is glued with the sponge strip 75; and during the experiment, the wires used in connection are placed in the grooves on the upper end of the second fixed plate 71 in sequence, then the pressure covering plate 74 is rotated to fix the wires, so that the wires are not damaged during the experiment, and the purpose of affecting the experimental effect and efficiency is achieved.

[0022] In this embodiment, the accompanying drawings are combined Figure 5 As shown, the pushable storage box structure 8 includes a bottom plate 81, a storage box 82, a storage cavity 83 and a separation plate 84, the upper end of the middle position of the bottom plate 81 is bolted with the storage box 82; the upper end of the inside of the storage box 82 is provided with the storage cavity 83; the inside wall of the middle position of the storage cavity 83 is provided with the separation plate 84; during the electromagnetic compatibility experiment, after the equipment is experimented, the equipment meeting the standard is put into the left inside of the storage box 82, and the equipment not meeting the standard is put into the right inside of the storage box 82, so that the electromagnetic compatibility experiment is completed.

[0023] In this embodiment, specifically, the upper end of the left side of the test bench 1 is provided with a computer, and the upper end of the right side of the test bench 1 is provided with a grounding wire mechanism.

[0024] In the embodiment, specifically, the upper end of the box seat 51 is provided with a device placing groove, and the rear end of the device placing groove is provided with a wiring strip; the observation piece 53 is made of transparent tempered glass.

[0025] In the embodiment, specifically, the box seat 51 is bolted to the left side of the upper end of the test bench 1.

[0026] In the embodiment, specifically, the T-shaped moving seat 64 is made of a T-shaped PVC seat, and the bottom end is bolted with an EMI filter or an electromagnetic interference device.

[0027] In the embodiment, specifically, the first fixed plate 65 is bolted to the left side of the upper end of the test bench 1 and the right side of the upper end of the test bench 1, respectively; the shielding plate 62 is arranged above the left side of the test bench 1.

[0028] In the embodiment, specifically, the upper end of the second fixed plate 71 is sequentially provided with grooves from front to back; the connection between the T-shaped fixed rod 72 and the rotating ring 73 is provided with a bearing; the sponge strip 75 is arranged at the upper end of the second fixed plate 71.

[0029] In the embodiment, specifically, the second fixed plate 71 is bolted to the left side of the upper end of the test bench 1 and arranged on the right side of the test device 4; the second fixed plate 71 is also arranged on the left side of the box seat 51.

[0030] In the embodiment, specifically, the front and rear ends of the separation plate 84 are bolted to the inner walls of the front and rear ends of the storage box 82.

[0031] In the embodiment, specifically, the bottom plate 81 is bolted to the lower part between the supporting legs 2; the storage box 82 is arranged at the lower middle position of the test bench 1.

[0032] Working principle

[0033] In the application, when the test work is carried out, the test table 1 is fixed in a suitable position, an external power supply is connected through external wires, the shielding box 52 is opened, then the equipment is placed in the equipment placing groove in the middle of the upper end of the box seat 51, and the wiring work is carried out through the wiring strip, in the process of the experiment, according to the needs of the experimental work, the sleeve box 61 is sleeved on the outer wall of the upper end of the first fixed plate 65, and the EMI filter or electromagnetic interference device is arranged at the bottom end of the T-shaped moving seat 64, the T-shaped moving seat 64 is pushed to move, and the EMI filter or electromagnetic interference device is moved at the same time, so that the electromagnetic compatibility test purpose is realized by adjusting the distance in the process of the experiment, and in the process of the experiment, the wires used are placed in the grooves in the upper end of the second fixed plate 71 in turn, then the pressing plate 74 is rotated, and the wires are pressed and fixed, so that the purpose of preventing the wires from being damaged in the process of the experiment and affecting the experimental effect and experimental efficiency is achieved, and in the process of the electromagnetic compatibility experiment, after the equipment is experimented, the equipment meeting the standard is placed in the left side of the storage box 82, and the equipment not meeting the standard is placed in the right side of the storage box 82, so that the electromagnetic compatibility test work is completed.

[0034] The technical solutions of the application or the technical solutions of the application inspired by the skilled in the art can achieve the above technical effects.

Claims

1. A multifunctional EMC electromagnetic compatibility testing device, comprising a test bench (1), wherein support legs (2) are bolted to the four corners of the bottom end of the test bench (1); a terminal block (3) is bolted to the rear of the upper end of the test bench (1); and a testing device (4) is fixed to the left side of the upper end of the test bench (1); characterized in that, The multifunctional EMC electromagnetic compatibility test device has an observable shielding box structure (5) connected to the upper middle position of the test bench (1); a slidable shielding interference frame structure (6) is also provided on the upper left side of the test bench (1); a rotatable clamping fixing plate structure (7) is connected to the upper left middle position of the test bench (1); a pushable storage box structure (8) is provided at the bottom between the support legs (2); the observable shielding box structure (5) includes a box base (51), and a shielding box (52) is inserted into the upper end of the box base (51); an observation plate (53) is embedded in the middle position of the top of the shielding box (52); the slidable shielding interference frame structure (6) includes a socket box (61), and the upper end of the socket box (61) is bolted to the left and right sides of the bottom end of the shielding plate (62); a sliding hole (63) is opened laterally in the middle position inside the shielding plate (62); the... The sliding hole (63) has a T-shaped moving seat (64) that slides through it; the bottom end of the socket box (61) is respectively inserted with a first fixing plate (65); the rotatable clamping fixing plate structure (7) includes a second fixing plate (71), and the rear end of the second fixing plate (71) is bolted with a T-shaped fixing rod (72); the upper outer wall of the T-shaped fixing rod (72) is respectively sleeved with rotating rings (73); the rotating rings (73) are respectively bolted to the middle of the rear end of the pressing plate (74) on the left and right sides; the bottom end of the pressing plate (74) is glued with a sponge strip (75); the pushable storage box structure (8) includes a bottom plate (81), and the upper middle position of the bottom plate (81) is bolted with a storage box (82); the upper end of the storage box (82) is provided with a storage cavity (83); the middle position of the inner wall of the storage cavity (83) is provided with a separation plate (84).

2. The multifunctional EMC electromagnetic compatibility testing device as described in claim 1, characterized in that, The box base (51) is bolted to the left side of the upper middle position of the test bench (1).

3. The multifunctional EMC electromagnetic compatibility testing device as described in claim 1, characterized in that, The T-shaped movable base (64) adopts a T-shaped PVC base and has an EMI filter or electromagnetic interference device fixed at the bottom end by bolts.

4. The multifunctional EMC electromagnetic compatibility testing device as described in claim 1, characterized in that, The first fixing plate (65) is bolted to the upper left side and the upper middle right side of the test bench (1); the shielding plate (62) is set on the upper left side of the test bench (1).

5. The multifunctional EMC electromagnetic compatibility testing device as described in claim 1, characterized in that, The second fixing plate (71) is bolted to the middle position of the upper left side of the test bench (1) and is set on the right side of the test equipment (4); the second fixing plate (71) is also set on the left side of the box base (51).

6. The multifunctional EMC electromagnetic compatibility testing device as described in claim 1, characterized in that, The base plate (81) is bolted to the lower part between the support legs (2); the storage box (82) is set in the middle position below the test bench (1).

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