Electromagnetic compatibility test bench

Abstract

The utility model discloses an electromagnetic compatibility test board which comprises a table board, two sliding grooves are symmetrically formed in the surface of the table board, sliding blocks are arranged in the two sliding grooves, vertical plates are fixedly connected to the tops of the two sliding blocks, transverse plates are fixedly connected to the opposite surfaces of the two vertical plates, and the transverse plates are fixedly connected to the surfaces of the two sliding blocks. And buffer assemblies are arranged above the two transverse plates. Through the arrangement of the driving assembly, the transmission assembly, the sliding block, the clamping plates and other structures, the two-way screw rod is driven to rotate under the transmission that the worm drives the worm gear, the driving block outside the two-way screw rod can be moved conveniently, the clamping plates on the two sides can move relatively, an electronic product can be clamped more conveniently, and the clamping efficiency is improved. And the labor force for clamping the electronic product is saved, so that the electromagnetic compatibility test fixture is more convenient to use, the working efficiency during electromagnetic compatibility test of the electronic product is improved, and the practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic compatibility test, in particular to a kind of electromagnetic compatibility test platform. BACKGROUND

[0002] Electromagnetic compatibility test refers to the ability of equipment or system to meet the requirements in its electromagnetic environment and not to produce intolerable electromagnetic interference to any equipment in its environment, to predict and evaluate the compatibility of EMC, to discover possible electromagnetic interference as early as possible and take necessary suppression and protection measures, so as to ensure the electromagnetic compatibility of the system.

[0003] According to the test frame for electromagnetic compatibility test of patent number CN221446155U, it comprises: test frame base, circumferential sliding groove, turntable and clamping block, the lower end of the test frame base is provided with a bottom plate, the center of the upper surface of the bottom plate is provided with a bottom disc, the outer side of the bottom disc is provided with a circumferential sliding groove, the outer side of the circumferential sliding groove is provided with a rotating sliding block, the upper surface of the bottom disc is provided with a stand column, the center of the upper surface of the stand column is provided with a shaft hole.

[0004] Although the above technical solution can prevent electronic products from being damaged by placing them on the upper surface of the test table, rotating the knob of the screw rod to make it rotate inside the screw rod sleeve, and driving the two sets of clamping blocks to fix the electronic products, but during use, the screw rod needs to be manually rotated when clamping the electronic products, and both sides of the screw rod need to be rotated at the same time to ensure that the electronic products are clamped in the middle position, which causes inconvenience during use, and excessive force may cause secondary damage to the battery products, reducing the service life of the electronic products. SUMMARY

[0005] The technical problem to be solved by the utility model is that electronic products need to be manually rotated when clamping, and both sides of the screw rod need to be rotated at the same time to ensure that the electronic products are clamped in the middle position, which causes inconvenience during use, and excessive force may cause secondary damage to the battery products, reducing the service life of the electronic products.

[0006] To solve the above technical problems, the utility model adopts one technical scheme, which provides an electromagnetic compatibility test board, which comprises a table top, two sliding grooves are symmetrically arranged on the surface of the table top, sliding blocks are arranged in the two sliding grooves, vertical plates are fixedly connected to the top of the two sliding blocks, horizontal plates are fixedly connected to the opposite surfaces of the two vertical plates, buffer assemblies are arranged above the two horizontal plates, clamping plates for clamping electronic product electromagnetic compatibility test are arranged on the surface of the two buffer assemblies, drive blocks are fixedly connected to the bottom of the two sliding blocks, a transmission assembly is arranged at the bottom of the table top, and a drive assembly is arranged at the bottom of the table top.

[0007] The drive assembly is located directly above the transmission assembly, a bottom plate is arranged below the table top, a motor is fixedly connected to the top of the bottom plate, a disc is fixedly connected to the output end of the motor, a plurality of connecting rods are fixedly connected to the top of the disc, and the top end of the plurality of connecting rods is fixedly connected to the bottom of the table top.

[0008] Preferably, the two buffer assemblies each comprise two horizontal rods, one end of the two horizontal rods is connected to the inside of the vertical plate in a sliding manner, the other end of the two horizontal rods is fixedly connected to the surface of the clamping plate, a limiting plate is fixedly connected to the outside of the two horizontal rods, a spring is mounted on the outside of the two horizontal rods, and the two ends of the spring are fixedly connected to the surface of the limiting plate and the surface of the vertical plate.

[0009] Preferably, two horizontal grooves are formed in the surface of the two horizontal plates, sliding rods are slidably connected to the inside of the two horizontal grooves, the top of the two sliding rods is fixedly connected to the bottom of the corresponding horizontal rod, and the sliding rod is located on one side of the surface of the limiting plate.

[0010] Preferably, the transmission assembly comprises two connecting plates, the top of the two connecting plates is fixedly connected to the bottom of the table top, a bidirectional screw rod is rotatably connected between the two connecting plates, and the drive blocks are threadedly connected to the outside of the bidirectional screw rod.

[0011] Preferably, the driving assembly comprises two fixed plates, the two fixed plates are fixedly connected at the bottom of the table top, the surface of one of the fixed plates is rotationally connected with a worm, the surface of the other fixed plate is fixedly connected with an electric motor, the output end of the electric motor is fixedly connected with one end of the worm, the outer portion of the bidirectional screw rod is fixedly connected with a worm wheel, and the worm wheel is located below the worm, the worm wheel and the worm are in meshing connection, the worm is driven to rotate by the electric motor, and the worm can rotate the worm wheel after rotating, so that the bidirectional screw rod on one side is conveniently driven, which is very convenient.

[0012] Preferably, the top of the bottom plate is fixedly connected with a plurality of limiting rods, the top ends of the plurality of limiting rods are clamped on the table top and are in sliding connection with the surface of the table top, so that the table top is kept stable during rotation.

[0013] Preferably, the two sliding grooves and the two sliding blocks are T-shaped, the outer surfaces of the two sliding blocks are in sliding connection with the inner side walls of the two sliding grooves, the sliding blocks slide in the sliding grooves, and the vertical plate is more stable during movement.

[0014] The electromagnetic compatibility test table has the following beneficial effects:

[0015] The driving assembly, the transmission assembly, the sliding blocks and the clamping plates are arranged, the bidirectional screw rod is driven to rotate by the worm driving the worm wheel, the driving block outside the bidirectional screw rod is moved, the clamping plates on the two sides are relatively moved, the electronic product is clamped more conveniently, the labor for clamping the electronic product is saved, the use is more convenient, the work efficiency during electromagnetic compatibility test of the electronic product is improved, and the practicality is higher.

[0016] The vertical plate, the clamping plate and the buffer assembly are arranged, the spring is extruded by the acting force when the clamping plate clamps the electronic product, the spring has the rebound effect under the action of the spring, damage caused by excessive force is avoided, and the practicality is higher. ACCURACY OF DRAWINGS

[0017] Figure 1 It is a perspective view of the electromagnetic compatibility test table;

[0018] Figure 2 It is a structure schematic view of the driving assembly and the transmission assembly of the electromagnetic compatibility test table;

[0019] Figure 3 It is a partial structure schematic view of the electromagnetic compatibility test table;

[0020] Figure 4 It is a perspective view of the electromagnetic compatibility test table; Figure 2 It is an enlarged view of A in the electromagnetic compatibility test table.

[0021] Figure 5 For the utility model Figure 1 The enlarged view of B.

[0022] In the figure: 1, connecting plate; 2, sliding block; 3, transverse groove; 4, crossbar; 5, limiting rod; 6, table top; 7, clamping plate; 8, limiting plate; 9, spring; 10, cross plate; 11, sliding rod; 12, bottom plate; 13, motor; 14, vertical plate; 15, sliding groove; 16, bidirectional screw; 17, driving block; 18, disc; 19, connecting rod; 20, worm; 21, electric motor; 22, fixed plate; 23, worm. DETAILED DESCRIPTION

[0023] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0024] Please refer to Figures 1 to 3 An electromagnetic compatibility test bench, including the table top 6, the surface of the table top 6 is symmetrically provided with two sliding grooves 15, the inside of two sliding grooves 15 is provided with sliding block 2, the top of two sliding blocks 2 is all fixedly connected with vertical plate 14, the opposite surface of two vertical plates 14 is all fixedly connected with cross plate 10, the top of two cross plates 10 is all provided with buffer assembly, the surface one side of two buffer assemblies is all provided with clamping plate 7 for electronic product electromagnetic compatibility test clamping, the bottom of two sliding blocks 2 is all fixedly connected with driving block 17, the bottom of table top 6 is provided with transmission assembly, the bottom of table top 6 is provided with drive assembly;

[0025] And drive assembly is located directly above transmission assembly, the bottom of table top 6 is provided with bottom plate 12, the top of bottom plate 12 is fixedly connected with motor 13, the output of motor 13 is fixedly connected with disc 18, the top of disc 18 is fixedly connected with multiple connecting rods 19, the top of multiple connecting rods 19 is fixedly connected with the bottom of table top 6, disc 18 is driven to rotate by motor 13, to facilitate the realization of rotating electronic product on the table top 6, the top of bottom plate 12 is fixedly connected with multiple limiting rods 5, the top of multiple limiting rods 5 is clamped in table top 6 and is slidably connected with the surface of table top 6, to facilitate table top 6 to keep stable when rotating, two sliding grooves 15 and two sliding blocks 2 are all T-shaped, namely sliding block 2 is inverted T-shaped sliding block of wide bottom and narrow top, and sliding groove 15 is corresponding recessed groove type limiting sliding groove, the outer surface of two sliding blocks 2 is slidably connected in the inner side wall of two sliding grooves 15, sliding block 2 is used in the inside of sliding groove 15 to slide, to ensure that vertical plate 14 is more stable when moving.

[0026] As Figure 2 And Figure 4As shown, the transmission assembly includes two connecting plates 1, the tops of which are fixedly connected to the bottom of the platform 6. A bidirectional screw 16 is rotatably connected between the two connecting plates 1. Two drive blocks 17 are threadedly connected to the outside of the bidirectional screw 16. The rotation of the bidirectional screw 16 facilitates the relative movement of the drive blocks 17, which is beneficial for moving the slider 2. The drive assembly includes two fixed plates 22, which are fixedly connected to the bottom of the platform 6. A worm gear 23 is rotatably connected to the surface of one fixed plate 22, and an electric motor 21 is fixedly connected to the surface of the other fixed plate 22. The output end of the electric motor 21 is fixedly connected to one end of the worm gear 23. A worm wheel 20 is fixedly connected to the outside of the bidirectional screw 16, and the worm wheel 20 is located below the worm gear 23. The worm wheel 20 and the worm gear 23 are meshed. The electric motor 21 drives the worm gear 23 to rotate, and the rotation of the worm gear 23 can rotate the worm wheel 20, which facilitates the transmission of the bidirectional screw 16 on one side, which is very convenient.

[0027] like Figure 1 and Figure 5 As shown, both buffer components include two crossbars 4. One end of each crossbar 4 is slidably connected to the interior of the vertical plate 14, and the other end of each crossbar 4 is fixedly connected to the surface of the clamping plate 7. A limiting plate 8 is fixedly connected to the exterior of each crossbar 4, and a spring 9 is installed on the exterior of each crossbar 4. The two ends of the spring 9 are fixedly connected to the surface of the limiting plate 8 and the surface of the vertical plate 14, respectively. When the clamping plate 7 clamps the electronic product, it can squeeze the spring 9 on the exterior of the crossbar 4, and the spring 9 has a rebound effect, avoiding damage to the electronic product caused by excessive force. Two horizontal grooves 3 are opened on the surface of each of the two horizontal plates 10. A sliding rod 11 is slidably connected inside each of the two horizontal grooves 3. The top of the two sliding rods 11 is fixedly connected to the bottom of the corresponding crossbar 4, and the sliding rod 11 is located on one side of the surface of the limiting plate 8. By sliding the sliding rod 11 inside the horizontal groove 3, the movement stability of the crossbar 4 can be improved.

[0028] The utility model discloses a drive block 17 moves after making the sliding block 2 in the inside of the sliding slot 15 slide, the sliding block 2 moves after can drive the vertical board 14 to move, utilize the clamping plate 7 of horizontal board 10 one side to the clamping of electronic product, when clamping plate 7 is to electronic product clamping, is extruded spring 9 under the action of force, and has the effect of springback under the action of spring 9, avoids the damage of electronic product because of too big force, can drive the mesa 6 to rotate under the action of motor 13 simultaneously, is convenient for to the mesa 6 on electronic product is rotated, makes electronic product more accurate when carrying out electromagnetic compatibility test, and the practicality is stronger.

[0029] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent flow conversion of the contents of the utility model specification and the drawings, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. An electromagnetic compatibility test bench comprising a benchtop (6), characterized in that: The surface of the table top (6) is symmetrically provided with two grooves (15), the interiors of the two grooves (15) are provided with sliding blocks (2), the tops of the two sliding blocks (2) are fixedly connected with vertical plates (14), the opposite surfaces of the two vertical plates (14) are fixedly connected with horizontal plates (10), the upper portions of the two horizontal plates (10) are provided with buffer assemblies, the surface sides of the two buffer assemblies are provided with clamping plates (7) for clamping electronic product electromagnetic compatibility test, the bottoms of the two sliding blocks (2) are fixedly connected with driving blocks (17), the bottom of the table top (6) is provided with a transmission assembly, the bottom of the table top (6) is provided with a driving assembly; The driving assembly is located directly above the transmission assembly, the bottom of the table top (6) is provided with a bottom plate (12), the top of the bottom plate (12) is fixedly connected with a motor (13), the output end of the motor (13) is fixedly connected with a disc (18), the top of the disc (18) is fixedly connected with a plurality of connecting rods (19), the top ends of the plurality of connecting rods (19) are fixedly connected with the bottom of the table top (6).

2. An electromagnetic compatibility test bench according to claim 1, characterized in that: The two buffer assemblies each include two horizontal rods (4), one end of each of the two horizontal rods (4) penetrates through and is slidingly connected into the interior of the vertical plate (14), the other end of each of the two horizontal rods (4) is fixedly connected with the surface of the clamping plate (7), the exterior of each of the two horizontal rods (4) is fixedly connected with a limiting plate (8), the exterior of each of the two horizontal rods (4) is installed and fixedly connected with a spring (9), the two ends of each of the two springs (9) are fixedly connected with the surface of the limiting plate (8) and the surface of the vertical plate (14) respectively.

3. An electromagnetic compatibility test bench according to claim 2, characterized in that: The surface of each of the two horizontal plates (10) is provided with two horizontal grooves (3), the interiors of the two horizontal grooves (3) are slidingly connected with sliding rods (11), the tops of the two sliding rods (11) are fixedly connected with the bottoms of the corresponding horizontal rods (4), and the sliding rods (11) are located on the surface sides of the limiting plates (8).

4. The electromagnetic compatibility test bench of claim 1, wherein: The transmission assembly includes two connecting plates (1), the tops of the two connecting plates (1) are fixedly connected with the bottom of the table top (6), a bidirectional screw rod (16) is rotatably connected between the two connecting plates (1), and the two driving blocks (17) are threadedly connected to the exterior of the bidirectional screw rod (16).

5. An electromagnetic compatibility test bench according to claim 4, characterized in that: The driving assembly includes two fixed plates (22) fixedly connected with the bottom of the table top (6), a worm (23) is rotatably connected to the surface of one of the two fixed plates (22), an electric motor (21) is fixedly connected to the surface of the other fixed plate (22), the output end of the electric motor (21) is fixedly connected with one end of the worm (23), a worm wheel (20) is fixedly connected to the exterior of the bidirectional screw rod (16), and the worm wheel (20) is located below the worm (23), and the worm wheel (20) and the worm (23) are in meshing connection.

6. The electromagnetic compatibility test bench of claim 1, wherein: The top of the bottom plate (12) is fixedly connected with a plurality of limiting rods (5), the top ends of the plurality of limiting rods (5) are clamped to the table top (6) and are slidingly connected with the surface of the table top (6).

7. The electromagnetic compatibility test bench of claim 1, wherein: Two chute (15) and two said slider (2) are T-shaped, two said slider (2) outer surface sliding connection in two chute (15) inner side wall.

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