Rail transit vehicle electromagnetic compatibility detection device

Abstract

The invention discloses a rail transit vehicle electromagnetic compatibility detection device, and relates to the technical field of electromagnetic compatibility detection. Comprising a rack, a connecting plate is fixedly connected to the side surface of the rack, a cushion plate is arranged at the upper end of the connecting plate, a surrounding frame is fixedly installed at the position, close to the top end, of the inner side of the rack, a connecting frame is arranged on the inner side of the surrounding frame, and a linkage rod is arranged on the surface of the connecting frame. Through the arrangement of the connecting plate and the pad accessory structure, an electronic product can be stably clamped and positioned, so that comprehensive electromagnetic compatibility detection of multiple surfaces and angles of the product is realized, the comprehensiveness and the accuracy of detection are improved, the complexity of manual adjustment and repositioning is avoided, the detection efficiency and the detection precision are improved, and the production cost is reduced. Through the arrangement of the surrounding frame, the connecting frame and the linkage rod accessory structure, the electromagnetic compatibility detector can be additionally overturned and inclined, so that the adjustment capability with higher degree of freedom is conveniently provided, the electromagnetic compatibility detection requirement of an electronic product is met, and the detection efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electromagnetic compatibility detection, and in particular to an electromagnetic compatibility detection device for rail transit vehicles. Background Art

[0002] Using measuring equipment, measuring methods, data processing methods and measuring results, the electromagnetic compatibility test of products or buildings, ships, aircraft, etc. is carried out. The electromagnetic compatibility standard requires that electronic and electrical equipment related products must comply with the specifications of radiated interference and conducted interference emission, as well as the specifications of radiation tolerance and conducted tolerance. In order to verify whether the EMC design of electronic and electrical equipment is good, the emission interference, transmission characteristics and load tolerance of various electromagnetic interference sources must be tested throughout the research and development process to verify whether the equipment complies with relevant electromagnetic compatibility standards and specifications. Electromagnetic compatibility testing includes electromagnetic interference testing (EMI) and electromagnetic tolerance testing (EMS).

[0003] The invention patent with announcement number CN116400104B discloses an electromagnetic compatibility detection device for rail transit vehicles. By setting an adjustment mechanism, an electric push rod provides a longitudinal driving source, and then the push frame and the lifting column cooperate to adjust the Y-axis up and down displacement of the electromagnetic compatibility detector. Then, the first electric slide rail, the first electric slide rail seat, the second electric slide rail, the second electric slide rail seat and the position sensor cooperate to adjust the Z-axis front and back and X-axis left and right displacement of the electromagnetic compatibility detector, thereby improving the displacement adjustment adaptability of the electromagnetic compatibility detector, meeting the electromagnetic compatibility detection needs of electronic products at different positions, eliminating the need to manually adjust the detection position of electronic products frequently, and improving the detection efficiency of electronic products.

[0004] The above-mentioned prior art parts have certain shortcomings in actual use. Although they can be adjusted to a certain angle on the X, Y, and Z axes, in the actual detection process, their detection angles are still limited and the degree of freedom is not high. Summary of the invention

[0005] The purpose of the present invention is to provide an electromagnetic compatibility detection device for rail transit vehicles to solve the above technical problems.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A rail transit vehicle electromagnetic compatibility detection device comprises a frame, a connecting plate is fixedly connected to the side surface of the frame, a pad is arranged on the upper end of the connecting plate, a surrounding frame is fixedly installed on the inner side of the frame near the top, a connecting frame is arranged on the inner side of the surrounding frame, and a linkage rod is arranged on the surface of the connecting frame;

[0008] A positioning seat is fixedly connected to the surface of the frame in the middle, an outer frame is rotatably connected to the inner side of the frame, an inner frame is rotatably connected to the inner side of the outer frame, and anti-drop rods are symmetrically embedded and connected to the surfaces of the outer frame and the inner frame.

[0009] As a further solution of the present invention: a first motor is fixedly installed on the surface of the connecting plate, a screw rod is fixedly connected to the output end of the first motor, a wire sleeve is sleeved on the surface of the screw rod, a connecting sleeve is sleeved on the surface of the wire sleeve, and a connecting joint is symmetrically fixedly connected to the side surface of the wire sleeve.

[0010] As a further solution of the present invention: a limit groove is provided on the surface of the connecting sleeve, a connecting rod is rotatably connected to the surface of the connecting sleeve near one end edge, a mounting frame is fixedly connected to the surface of the connecting rod, a second motor is fixedly installed on the bottom surface of the mounting frame, a transmission gear frame is fixedly connected to the output end of the second motor, a linkage gear frame is fixedly connected to the top surface of the mounting frame located on one side of the transmission gear frame, and the transmission gear frame and the linkage gear frame are meshingly connected.

[0011] As a further solution of the present invention: a butt plate is fixedly installed on the top surface of the pad near the side edge, a cylinder is fixedly installed on the surface of the butt plate, a kit is fixedly installed on the output end of the cylinder, a clamp is rotatably connected to the inner side of the kit, a connecting seat is fixedly installed on the inner side of the top surface of the pad, and the clamp and the connecting seat are rotatably connected.

[0012] As a further solution of the present invention: the positioning seat is fixedly connected to the frame, a first connecting frame is fixedly installed on the surface of the surrounding frame, a first motor is fixedly installed on the surface of the first connecting frame, a second connecting frame is fixedly installed on the surface of the outer frame, a second motor is fixedly installed on the surface of the second connecting frame, the output ends of the first motor and the second motor are fixedly connected to the anti-drop rod, and an extension rod is symmetrically fixedly connected to the surface of the inner surrounding frame.

[0013] As a further solution of the present invention: the top surface of the connecting frame is symmetrically fixedly connected with an alignment ring, the extension rod is embedded and connected with the alignment ring, the outer surface of the connecting frame is symmetrically provided with friction patterns, and the surface of the connecting frame is provided with a linkage rod.

[0014] As a further solution of the present invention: the bottom surface of the linkage rod is symmetrically fixedly connected with a docking sleeve at both end edges, the top surface of the docking sleeve is fixedly connected with a third motor, the surface of the docking sleeve is symmetrically rotatably connected with a pulley at one side edge, the surface of the docking sleeve is symmetrically rotatably connected with a connecting wheel at the other side edge, and an electromagnetic compatibility detector is arranged at the lower end of the linkage rod.

[0015] Beneficial effects of the present invention:

[0016] Through the setting of the connecting plate and pad accessory structure, it is possible to stably clamp and position the electronic products, thereby realizing comprehensive electromagnetic compatibility testing of multiple surfaces and angles of the product, which not only improves the comprehensiveness and accuracy of the test, but also avoids the tedious manual adjustment and repositioning, and improves the detection efficiency and accuracy. Through the setting of the surrounding frame, connecting frame and linkage rod accessory structure, the electromagnetic compatibility tester can perform additional flipping and tilting to facilitate the provision of higher degree of freedom of adjustment, so as to meet the electromagnetic compatibility testing needs of electronic products and improve the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the connection structure of the connecting plate accessories of the present invention;

[0020] Figure 3 It is a schematic diagram of the connection structure of the pad accessory of the present invention;

[0021] Figure 4 It is a schematic diagram of the structural connection between the enclosure and the connecting frame accessories of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the enclosure accessory of the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the connecting frame accessory of the present invention;

[0024] Figure 7 It is a schematic diagram of the disassembly of the linkage rod accessory structure of the present invention.

[0025] In the figure: 1. frame; 2. connecting plate; 3. first motor; 4. screw rod; 5. thread sleeve; 6. connecting sleeve; 7. limit groove; 8. connecting rod; 9. mounting frame; 10. second motor; 11. transmission gear frame; 12. linkage gear frame; 13. pad; 14. abutment plate; 15. cylinder; 16. kit; 17. clamping claw; 18. connecting seat; 19. surrounding frame; 20. positioning seat; 21. first connecting frame; 22. first motor; 23. outer frame; 24. second connecting frame; 25. second motor; 26. inner frame; 27. extension rod; 28. connecting frame; 29. ​​alignment ring; 30. friction pattern; 31. linkage rod; 32. docking sleeve; 33. third motor; 34. pulley; 35. connecting wheel; 36. electromagnetic compatibility tester. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 7 As shown, the present invention is an electromagnetic compatibility detection device for rail transit vehicles, comprising a frame 1, a connecting plate 2 is fixedly connected to the side surface of the frame 1, a pad 13 is arranged on the upper end of the connecting plate 2, a surrounding frame 19 is fixedly installed on the inner side of the frame 1 near the top, a connecting frame 28 is arranged on the inner side of the surrounding frame 19, and a linkage rod 31 is arranged on the surface of the connecting frame 28;

[0028] A positioning seat 20 is fixedly connected to the middle of the surface of the frame 19, an outer frame 23 is rotatably connected to the inner side of the frame 19, an inner frame 26 is rotatably connected to the inner side of the outer frame 23, and anti-drop rods are symmetrically embedded and connected to the surfaces of the outer frame 23 and the inner frame 26;

[0029] A first motor 3 is fixedly mounted on the surface of the connecting plate 2, a screw rod 4 is fixedly connected to the output end of the first motor 3, a threaded sleeve 5 is sleeved and connected to the surface of the threaded sleeve 4, a connecting sleeve 6 is sleeved and connected to the surface of the threaded sleeve 5, and a connecting joint is symmetrically fixedly connected to the side surface of the threaded sleeve 5;

[0030] A limiting groove 7 is provided on the surface of the connecting sleeve 6, and a connecting rod 8 is rotatably connected to the surface of the connecting sleeve 6 near one end edge, and a mounting frame 9 is fixedly connected to the surface of the connecting rod 8. A second motor 10 is fixedly installed on the bottom surface of the mounting frame 9, and a transmission gear frame 11 is fixedly connected to the output end of the second motor 10. The top surface of the mounting frame 9 is located on one side of the transmission gear frame 11 and is fixedly connected to a linkage gear frame 12. The transmission gear frame 11 and the linkage gear frame 12 are meshingly connected. In order to achieve comprehensive electromagnetic compatibility testing of multiple surfaces and angles of the product, the user can start the first motor 3, and by driving the screw rod 4 to rotate, the screw sleeve 5 will move in the limiting groove 7 with the interference of the matching, and then drive the connecting sleeve 6 to rotate around the axis of the connecting rod 8, thereby causing the entire mounting frame 9 and the electronic equipment on its surface to flip to the corresponding angle. This step not only improves the comprehensiveness and accuracy of the detection, but also avoids the tediousness of manual adjustment and repositioning, and calmly improves the detection efficiency and accuracy;

[0031] A butt plate 14 is fixedly installed on the top surface of the pad 13 near the side edge, a cylinder 15 is fixedly installed on the surface of the butt plate 14, a set 16 is fixedly installed on the output end of the cylinder 15, a clamping claw 17 is rotatably connected to the inner side of the set 16, a connecting seat 18 is fixedly installed on the inner side of the top surface of the pad 13, the clamping claw 17 and the connecting seat 18 are rotatably connected, when the electronic device is fixedly clamped, the protruding position of the electronic device can be extended between the clamping claw 17 and the pad 13, and then the output end of the cylinder 15 can be controlled to extend, and under the action of the connecting seat 18, the clamping claw 17 will rotate around it until the clamping claw 17 is buckled against the protruding position of the electronic device, thereby completing the positioning of the electronic device, ensuring stability while meeting the needs of various angle flips, and avoiding errors caused by deflection, etc.;

[0032] The positioning seat 20 is fixedly connected to the frame 1, a first connecting frame 21 is fixedly installed on the surface of the surrounding frame 19, a first motor 22 is fixedly installed on the surface of the first connecting frame 21, a second connecting frame 24 is fixedly installed on the surface of the outer frame 23, a second motor 25 is fixedly installed on the surface of the second connecting frame 24, the output ends of the first motor 22 and the second motor 25 are fixedly connected to the anti-drop rod, and a stretching rod 27 is symmetrically fixedly connected to the surface of the inner frame 26;

[0033] The top surface of the connecting frame 28 is symmetrically fixedly connected with a positioning ring 29, the extension rod 27 is embedded and connected with the positioning ring 29, the outer surface of the connecting frame 28 is symmetrically provided with friction patterns 30, and the surface of the connecting frame 28 is provided with a linkage rod 31;

[0034] The bottom surface of the linkage rod 31 is symmetrically fixedly connected with a docking sleeve 32 at both ends, the top surface of the docking sleeve 32 is fixedly connected with a third motor 33, the surface of the docking sleeve 32 is symmetrically rotatably connected with a pulley 34 at one side edge, and the surface of the docking sleeve 32 is symmetrically rotatably connected with a connecting wheel 35 at the other side edge. An electromagnetic compatibility tester 36 is provided at the lower end of the linkage rod 31. During the electrical compatibility test of rail transit vehicles, after the electronic equipment is placed, the user adjusts the angle of the electromagnetic compatibility tester 36 as needed. During operation, the user can control the first motor 22 and the second motor 25 located on the first connecting frame 21 and the second connecting frame 24 in turn as needed, and then use The paired anti-slip rods are rotated, thereby driving the outer frame 23 and the inner frame 26 to perform additional flipping and tilting, so as to provide a higher degree of freedom of adjustment to meet the electromagnetic compatibility testing requirements of electronic products. Manual adjustment is no longer required, thereby improving the testing efficiency. After the angle flipping and adjustment is completed, the user can continue to drive the third motor 33 to operate, and then control the connecting wheel 35 on its output end to rotate. The texture on the surface of the connecting wheel 35 will cooperate with the friction texture 30 to drive the entire linkage rod 31 and the docking sleeve 32 to move on the surface of the connecting frame 28. The pulley 34 set in position will also cooperate to ensure the stability of the movement, and finally make the electromagnetic compatibility tester 36 stay at the required position.

[0035] Working principle of the present invention: In order to realize comprehensive electromagnetic compatibility detection of multiple surfaces and angles of the product, the user can start the first motor 3, and by driving the screw rod 4 to rotate, the screw sleeve 5 will move in the limit groove 7 with the interference of the fit, and then drive the connecting sleeve 6 to rotate around the axis of the connecting rod 8, thereby causing the entire mounting frame 9 and the electronic equipment on its surface to flip to the corresponding angle. This step not only improves the comprehensiveness and accuracy of the detection, but also avoids the tedious manual adjustment and repositioning, and easily improves the detection efficiency and accuracy. When the electronic device is fixed and clamped, the protruding position of the electronic device can be extended between the clamping claw 17 and the pad 13, and then the output end of the cylinder 15 can be controlled to extend. Under the action of the connecting seat 18, the clamping claw 17 will rotate around it until the clamping claw 17 is buckled against the protruding position of the electronic device, thereby completing its positioning, ensuring stability while meeting the needs of various angle flipping, avoiding errors caused by deflection, etc., and performing electrical compatibility testing of rail transit vehicles. During the detection process, after the electronic device is placed, the user adjusts the angle of the electromagnetic compatibility detector 36 as needed. During operation, the user can control the first motor 22 and the second motor 25 located on the first connecting frame 21 and the second connecting frame 24 in turn as needed, and then rotate the paired anti-dropping rods, thereby driving the outer frame 23 and the inner frame 26 to perform additional flipping and tilting, so as to provide a higher degree of freedom of adjustment capability to meet the electromagnetic compatibility detection requirements of electronic products. Manual adjustment is no longer required, thereby improving the detection efficiency. After the angle flipping and adjustment is completed, the user can continue to drive the third motor 33 to operate, and then control the connecting wheel 35 on its output end to rotate. The texture on the surface of the connecting wheel 35 will cooperate with the friction texture 30 to drive the entire linkage rod 31 and the docking sleeve 32 to move on the surface of the connecting frame 28. The pulley 34 set in position will also cooperate to ensure the stability of the movement, and finally make the electromagnetic compatibility detector 36 stay at the required position.

[0036] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A rail transit vehicle electromagnetic compatibility detection device, comprising a frame (1), characterized in that: A connecting plate (2) is fixedly connected to the side surface of the frame (1), a pad (13) is provided at the upper end of the connecting plate (2), a surrounding frame (19) is fixedly installed on the inner side of the frame (1) near the top end, a connecting frame (28) is provided on the inner side of the surrounding frame (19), and a linkage rod (31) is provided on the surface of the connecting frame (28); A positioning seat (20) is fixedly connected to the middle of the surface of the surrounding frame (19); an outer frame (23) is rotatably connected to the inner side of the surrounding frame (19); an inner frame (26) is rotatably connected to the inner side of the outer frame (23); and anti-drop rods are symmetrically embedded and connected to the surfaces of the outer frame (23) and the inner frame (26).

2. The electromagnetic compatibility detection device for rail transit vehicles according to claim 1, characterized in that: A first motor (3) is fixedly mounted on the surface of the connecting plate (2); a lead screw (4) is fixedly connected to the output end of the first motor (3); a threaded sleeve (5) is sleeved and connected to the surface of the lead screw (4); a connecting sleeve (6) is sleeved and connected to the surface of the threaded sleeve (5); and a connecting joint is symmetrically fixedly connected to the side surface of the threaded sleeve (5).

3. The electromagnetic compatibility detection device for rail transit vehicles according to claim 2 is characterized in that: A limiting groove (7) is provided on the surface of the connecting sleeve (6); a connecting rod (8) is rotatably connected to the surface of the connecting sleeve (6) at one end edge; a mounting frame (9) is fixedly connected to the surface of the connecting rod (8); a second motor (10) is fixedly mounted on the bottom surface of the mounting frame (9); an output end of the second motor (10) is fixedly connected to a transmission gear frame (11); a top surface of the mounting frame (9) is located on one side of the transmission gear frame (11) and is fixedly connected to a linkage gear frame (12); the transmission gear frame (11) and the linkage gear frame (12) are meshingly connected.

4. The electromagnetic compatibility detection device for rail transit vehicles according to claim 1, characterized in that: A butt plate (14) is fixedly mounted on the top surface of the pad (13) near the side edge, a cylinder (15) is fixedly mounted on the surface of the butt plate (14), a sleeve (16) is fixedly mounted on the output end of the cylinder (15), a clamping jaw (17) is rotatably connected to the inner side of the sleeve (16), a connecting seat (18) is fixedly mounted on the top surface of the pad (13) near the inner side, and the clamping jaw (17) and the connecting seat (18) are rotatably connected.

5. The electromagnetic compatibility detection device for rail transit vehicles according to claim 1, characterized in that: The positioning seat (20) is fixedly connected to the frame (1); a first connecting frame (21) is fixedly installed on the surface of the surrounding frame (19); a first motor (22) is fixedly installed on the surface of the first connecting frame (21); a second connecting frame (24) is fixedly installed on the surface of the outer frame (23); a second motor (25) is fixedly installed on the surface of the second connecting frame (24); the output ends of the first motor (22) and the second motor (25) are fixedly connected to the anti-drop rod; and an extension rod (27) is symmetrically fixedly connected to the surface of the inner surrounding frame (26).

6. The electromagnetic compatibility detection device for rail transit vehicles according to claim 5, characterized in that: The top surface of the connecting frame (28) is symmetrically fixedly connected with an alignment ring (29), the extension rod (27) is embedded and connected with the alignment ring (29), the outer surface of the connecting frame (28) is symmetrically provided with friction patterns (30), and the surface of the connecting frame (28) is provided with a linkage rod (31).

7. The electromagnetic compatibility detection device for rail transit vehicles according to claim 6, characterized in that: The bottom surface of the linkage rod (31) is symmetrically fixedly connected to a docking sleeve (32) at both ends, the top surface of the docking sleeve (32) is fixedly connected to a third motor (33), the surface of the docking sleeve (32) is symmetrically rotatably connected to a pulley (34) at one side edge, and the surface of the docking sleeve (32) is symmetrically rotatably connected to a connecting wheel (35) at the other side edge, and an electromagnetic compatibility detector (36) is provided at the lower end of the linkage rod (31).

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