Complete set of automotive electronic electromagnetic compatibility testing device

Abstract

The invention provides a full-set automobile electronic electromagnetic compatibility testing device, and relates to the field of EMC testing, and the device comprises the following structures: a support, a guide pipe fixedly arranged at the middle part of the support, a deflection pipe movably connected to the middle part of the guide pipe, a middle shaft sleeved with the middle part of the deflection pipe through a spline, and an end plate fixedly arranged at the top of the middle shaft, a test box is fixedly arranged at the top of the end plate, a deflection motor drives a deflection pipe to drive a middle shaft to perform deflection treatment, clockwise deflection or anticlockwise deflection treatment of the test box is completed, tested automobile equipment placed in the test box can be impacted by inertia, and a connecting rod and a pin shaft are matched under the cooperation of a driving motor and a turntable, so that the test accuracy is improved. The center shaft performs up-and-down reciprocating lifting movement simulation vibration in the middle of the deflection pipe, EMC testing is performed on the tested automobile equipment in a simulation environment, and a testing scheme which is low in cost and low in deployment space requirement is provided for automobile equipment research and development of a user.

Description

Technical Field

[0001] The invention mainly relates to the field of EMC testing, and in particular to a complete set of automotive electronic electromagnetic compatibility testing equipment. Background Art

[0002] EMC testing evaluates the anti-interference ability of electronic components and the interference level to other equipment to ensure that the entire vehicle electronic system works together in a complex electromagnetic environment. At the same time, automotive electronic components are the guarantee for the safe and reliable operation of the vehicle electronic system in various environments and usage conditions.

[0003] In traditional testing methods, automotive electronic components to be tested are generally placed in an anechoic chamber or a shielded room for comprehensive EMC testing. The deployment cost of building a professional anechoic chamber is relatively high for corporate product development testing. If outsourced testing is performed, the time-consuming sampling and data collection during the test are inconvenient.

[0004] The inventor proposed a complete set of automotive electronic electromagnetic compatibility testing equipment, designed a test box with an anechoic chamber structure, configured a corresponding receiving antenna, and placed the test equipment externally to meet the subsequent movable design of the test box, providing users with a low-cost testing solution with less deployment space requirements for automotive equipment research and development. Summary of the invention

[0005] 1. Problems to be solved by the invention: The present invention provides a complete set of automotive electronic electromagnetic compatibility testing equipment, which is used to solve the technical problem mentioned in the background technology that the EMC test in the development stage of existing automotive equipment is inconvenient to carry out.

[0006] 2. Technical solution: In order to achieve the above object, the technical solution provided by the present invention is: a complete set of automotive electronic electromagnetic compatibility testing device, including the following structure: A bracket, wherein a guide tube is fixedly arranged in the middle of the bracket, a deflection tube is movably connected in the middle of the guide tube, a central axis is sleeved in the middle of the deflection tube through a spline, an end plate is fixedly arranged on the top of the central axis, and a test box is fixedly arranged on the top of the end plate.

[0007] An auxiliary frame, wherein both left and right sides of the top of the auxiliary frame are movably connected with a turntable.

[0008] Furthermore, a first flat gear is fixedly provided on the outer side of the bottom of the deflection tube, the right side of the first flat gear is meshed with the left side of the second flat gear, a deflection motor is fixedly provided on the middle of the second flat gear, and the outer side of the deflection motor is fixedly connected to the right side of the bracket.

[0009] A limiting protrusion is fixedly provided on the top of the deflection tube, the bottom of the limiting protrusion is movably connected to the top of the guide tube, and the top surface of the first flat gear is movably connected to the bottom of the guide tube.

[0010] Furthermore, a connecting rod is movably connected to the bottom of the central axis, a pin is movably connected to the bottom of the connecting rod, a bearing is movably sleeved in the middle of the pin, and left and right ends of the pin extend to opposite sides of the two turntables respectively.

[0011] Furthermore, a plurality of reset springs are fixedly provided at the bottom of the end plate, the bottom of the reset spring is fixedly connected to the top of the deflection tube, a receiving frame is fixedly provided at the top of the end plate, limiting angle irons are fixedly provided at the four corners of the receiving frame, and the top of the limiting angle irons are detachably connected to the four corners of the bottom of the test box.

[0012] Furthermore, the top of the test box is hinged with a box cover, the bottom of the inner wall of the test box is fixedly provided with a tooling platform, the left end of the test box is detachably connected to a first receiving antenna, the right end of the test box is detachably connected to a telescopic rod, the left end of the telescopic rod extends to the inner side of the test box, and the left end of the telescopic rod is fixedly provided with a second receiving antenna.

[0013] Furthermore, guide rails are fixedly provided on both left and right sides of the bottom of the auxiliary frame, and a slide seat is slidably connected to the top of the guide rail, and opposite sides of the two slide seats are fixedly connected to the bottom of the adjustment seat respectively.

[0014] An adjusting motor is fixedly provided at the bottom of the auxiliary frame, and the front and rear sides of the middle part of the bottom surface of the auxiliary frame are movably connected with the front and rear ends of the screw rod respectively, the rear output end of the adjusting motor is fixedly connected with the front end of the screw rod, and a driving motor is fixedly provided on the top right side of the auxiliary frame, and the left output end of the driving motor is fixedly connected to the right side of the turntable on the right side of the auxiliary frame.

[0015] A butt joint curved surface is fixedly arranged on the top of the rear side of the adjusting seat, and the bottom of the adjusting seat is threadedly connected with the outer side of the screw rod, and the butt joint curved surface is matched with the outer side of the bearing.

[0016] Furthermore, a slide groove is fixedly provided on the opposite sides of the two turntables, and a guide seat is slidably connected to the opposite sides of the two turntables. The guide seat cooperates with the slide groove, and a leaf spring is fixedly provided on the outer side of the guide seat. The leaf spring extends into the slide groove, and the front ends of the two guide seats are movably connected to the left and right ends of the pin shaft respectively.

[0017] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The invention provides a complete set of automobile electronic electromagnetic compatibility testing devices. A deflection motor drives a second flat gear to rotate. The second flat gear cooperates with the first flat gear to complete the clockwise or counterclockwise deflection of a deflection tube in the middle of a guide tube. The deflection tube drives the central axis to perform deflection processing, and completes the clockwise or counterclockwise deflection processing of a test box. During the deflection process of the test box, the tested automobile equipment placed inside the test box will be subjected to inertial impact. The connecting rod and the pin shaft cooperate with the driving motor and the turntable to complete the up and down reciprocating lifting and lowering movement of the central axis in the middle of the deflection tube. The deflection tube is combined to provide inertial impact and vibration simulation for the test box, and the tested automobile equipment is tested in a simulated environment. A low-cost test solution with less deployment space requirements is provided for the user's automobile equipment research and development, which is convenient for the user to carry out EMC testing operations of automobile equipment.

[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of the structure of the present invention; Figure 2 It is a three-dimensional diagram of the test box structure of the present invention; Figure 3 is a three-dimensional diagram of the central axis structure of the present invention; Figure 4 It is a three-dimensional diagram of the adjustment seat structure of the present invention; Figure 5 A half-section perspective view of the turntable structure of the present invention; Figure 6 For the present invention Figure 5 A magnified view of the structure at center A; Figure 7 A half-section perspective view of the deflection tube structure of the present invention; Figure 8 For the present invention Figure 7 A magnified view of the structure at B in the middle.

[0020] Reference numerals: 1- bracket; 11- guide tube; 2-deflection tube; 21-first flat gear; 22-second flat gear; 23-deflection motor; 3-middle shaft; 31-end plate; 32-return spring; 4-connecting rod; 41-pin; 42-bearing; 5-test box; 51-box cover; 52-first receiving antenna; 53-telescopic rod; 54-second receiving antenna; 6- auxiliary frame; 61- guide rail; 62- slide seat; 63- adjustment motor; 64- lead screw; 65- driving motor; 7-adjusting seat; 71-butting surface; 8-turntable; 81-slideway; 82-guide seat; 83-leaf spring. DETAILED DESCRIPTION

[0021] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items. Example

[0024] Reference Figure 1-8 , a complete set of automotive electronic electromagnetic compatibility testing equipment, including the following structure: The bracket 1 has a guide tube 11 fixedly disposed in the middle of the bracket 1, a deflection tube 2 movably connected to the middle of the guide tube 11, a central axis 3 is sleeved in the middle of the deflection tube 2 through a spline, an end plate 31 is fixedly disposed on the top of the central axis 3, and a test box 5 is fixedly disposed on the top of the end plate 31.

[0025] The auxiliary frame 6 has a rotating disk 8 movably connected to both left and right sides of the top of the auxiliary frame 6 .

[0026] In this embodiment, a first flat gear 21 is fixedly provided on the outer side of the bottom of the deflection tube 2, the right side of the first flat gear 21 is meshed with the left side of the second flat gear 22, a deflection motor 23 is fixedly provided in the middle of the second flat gear 22, and the outer side of the deflection motor 23 is fixedly connected to the right side of the bracket 1.

[0027] A limiting protrusion is fixedly provided on the top of the deflection tube 2 , and the bottom of the limiting protrusion is movably connected to the top of the guide tube 11 . The top surface of the first flat gear 21 is movably connected to the bottom of the guide tube 11 .

[0028] The deflection motor 23 drives the second flat gear 22 to rotate, and the second flat gear 22 cooperates with the first flat gear 21 to complete the clockwise or counterclockwise deflection of the deflection tube 2 in the middle of the guide tube 11. The deflection tube 2 cooperates with the central axis 3 through splines, and the deflection tube 2 drives the central axis 3 to deflect, completing the clockwise or counterclockwise deflection of the test box 5. During the deflection process of the test box 5, the tested automobile equipment placed inside it will be subjected to inertial impact.

[0029] In this embodiment, the bottom of the central axis 3 is movably connected to the connecting rod 4, the bottom of the connecting rod 4 is movably connected to the pin 41, the middle of the pin 41 is movably sleeved with a bearing 42, and the left and right ends of the pin 41 extend to the opposite sides of the two turntables 8 respectively.

[0030] The bottom of the central axis 3 is equipped with a connecting rod 4 , and the connecting rod 4 cooperates with the pin 41 in cooperation with the driving motor 65 and the turntable 8 to complete the up and down reciprocating lifting and lowering movement of the central axis 3 in the middle of the deflection tube 2 .

[0031] In this embodiment, a plurality of reset springs 32 are fixedly provided at the bottom of the end plate 31, and the bottom of the reset spring 32 is fixedly connected to the top of the deflection tube 2. A receiving frame is fixedly provided at the top of the end plate 31, and limiting angle irons are fixedly provided at the four corners of the receiving frame. The top of the limiting angle irons is detachably connected to the four corners of the bottom of the test box 5.

[0032] The return spring 32 cooperates with the end plate 31 to prevent the central shaft 3 from lacking support when assembled in the middle of the deflection tube 2 .

[0033] In this embodiment, a box cover 51 is hinged on the top of the test box 5, a tooling platform is fixedly provided on the bottom of the inner wall of the test box 5, a first receiving antenna 52 is detachably connected to the left end of the test box 5, a telescopic rod 53 is detachably connected to the right end of the test box 5, the left end of the telescopic rod 53 extends to the inner side of the test box 5, and a second receiving antenna 54 is fixedly provided on the left end of the telescopic rod 53.

[0034] The combination of the box cover 51 and the test box 5 provides the user with a solution for EMC testing in a small space. The tooling platform is used to fix the tested automotive equipment. The specific fixture tooling is selected according to the user's purchasing needs. The specific placement position of the first receiving antenna 52 in the test box 5 is adjustable, and the second receiving antenna 54 cooperates with the retractable rod, which is convenient for the user to deploy the tested equipment to avoid interference between the picked-up and placed equipment and the second receiving antenna 54, and at the same time, it is convenient for the user to adjust the installation position of the second receiving antenna 54 according to test needs.

[0035] In this embodiment, guide rails 61 are fixedly provided on both left and right sides of the bottom of the auxiliary frame 6 , and a slide seat 62 is slidably connected to the top of the guide rail 61 , and the opposite sides of the two slide seats 62 are fixedly connected to the bottom of the adjustment seat 7 respectively.

[0036] An adjusting motor 63 is fixedly provided at the bottom of the auxiliary frame 6, and the front and rear sides of the middle part of the bottom surface of the auxiliary frame 6 are movably connected with the front and rear ends of the screw rod 64 respectively, and the rear output end of the adjusting motor 63 is fixedly connected to the front end of the screw rod 64. A driving motor 65 is fixedly provided on the top right side of the auxiliary frame 6, and the left output end of the driving motor 65 is fixedly connected to the right side of the turntable 8 on the right side of the auxiliary frame 6.

[0037] A docking curved surface 71 is fixedly provided on the top of the rear side of the adjustment seat 7 . The bottom of the adjustment seat 7 is threadedly connected to the outer side of the screw rod 64 . The docking curved surface 71 matches with the outer side of the bearing 42 .

[0038] The guide rail 61 cooperates with the slide 62 to complete the movement and guidance of the slide 62 and the adjustment seat 7 on the auxiliary frame 6. The adjustment motor 63 cooperates with the lead screw 64 to complete the working position adjustment of the adjustment seat 7 on the auxiliary frame 6, and the distance adjustment between the docking surface 71 and the bearing 42 is completed. The docking surface 71 cooperates with the bearing 42 to adjust the working position of the pin shaft 41 on the turntable 8, and the lifting and lowering of the center axis 3 in the middle of the deflection tube 2 is adjusted. In combination with the deflection tube 2, the test box 5 is provided with inertial shock and vibration simulation, and the EMC test is performed on the tested automotive equipment in a simulated environment, providing a low-cost test solution with less deployment space requirements for users' automotive equipment research and development.

[0039] In this embodiment, a slide groove 81 is fixedly provided on the opposite sides of the two turntables 8, and a guide seat 82 is slidably connected to the opposite sides of the two turntables 8. The guide seat 82 cooperates with the slide groove 81, and a leaf spring 83 is fixedly provided on the outer side of the guide seat 82. The leaf spring 83 extends into the slide groove 81, and the front ends of the two guide seats 82 are movably connected to the left and right ends of the pin shaft 41 respectively.

[0040] The slide groove 81 provides a moving guide for the guide seat 82 . The design of the leaf spring 83 can push the slide seat 62 and the pin shaft 41 along the slide groove 81 toward the radial direction of the turntable 8 to reset after the adjustment seat 7 is connected and contacted with the bearing 42 .

[0041] In this embodiment: The deflection motor 23 drives the second flat gear 22 to rotate, and the second flat gear 22 cooperates with the first flat gear 21 to complete the clockwise or counterclockwise deflection of the deflection tube 2 in the middle of the guide tube 11. The deflection tube 2 drives the central axis 3 to deflect, and completes the clockwise or counterclockwise deflection of the test box 5. During the deflection process of the test box 5, the tested automobile equipment placed inside it will be subjected to inertial impact. The connecting rod 4 and the pin shaft 41 cooperate with the driving motor 65 and the turntable 8 to complete the up and down reciprocating lifting and lowering movement of the central axis 3 in the middle of the deflection tube 2. Combined with the deflection tube 2, the test box 5 is provided with inertial impact and vibration simulation, and the tested automobile equipment is tested in a simulated environment. EMC testing is performed on the tested automobile equipment, providing a low-cost testing solution with less deployment space requirements for users' automobile equipment research and development.

[0042] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A complete set of automotive electronic electromagnetic compatibility test equipment, characterized by: Includes the following structure: A bracket (1), wherein a guide tube (11) is fixedly provided in the middle of the bracket (1), a deflection tube (2) is movably connected to the middle of the guide tube (11), a central shaft (3) is sleeved in the middle of the deflection tube (2) via a spline, an end plate (31) is fixedly provided on the top of the central shaft (3), and a test box (5) is fixedly provided on the top of the end plate (31); An auxiliary frame (6), wherein both left and right sides of the top of the auxiliary frame (6) are movably connected with a turntable (8).

2. The complete set of automotive electronic electromagnetic compatibility testing device according to claim 1 is characterized in that: A first flat gear (21) is fixedly provided on the outer side of the bottom of the deflection tube (2), the right side of the first flat gear (21) meshes with the left side of the second flat gear (22), a deflection motor (23) is fixedly provided in the middle of the second flat gear (22), and the outer side of the deflection motor (23) is fixedly connected to the right side of the bracket (1); A limiting protrusion is fixedly provided on the top of the deflection tube (2), the bottom of the limiting protrusion is movably connected to the top of the guide tube (11), and the top surface of the first flat gear (21) is movably connected to the bottom of the guide tube (11).

3. The complete set of automotive electronic electromagnetic compatibility testing device according to claim 1 is characterized in that: The bottom of the central shaft (3) is movably connected to a connecting rod (4), the bottom of the connecting rod (4) is movably connected to a pin shaft (41), the middle of the pin shaft (41) is movably sleeved with a bearing (42), and the left and right ends of the pin shaft (41) extend to opposite sides of the two rotating disks (8) respectively.

4. The complete set of automotive electronic electromagnetic compatibility testing device according to claim 1 is characterized in that: A plurality of return springs (32) are fixedly arranged at the bottom of the end plate (31), the bottom of the return spring (32) is fixedly connected to the top of the deflection tube (2), a receiving frame is fixedly arranged at the top of the end plate (31), and limiting angle irons are fixedly arranged at the four corners of the receiving frame, and the top of the limiting angle irons is detachably connected to the four corners of the bottom of the test box (5).

5. The complete set of automotive electronic electromagnetic compatibility testing device according to claim 1 is characterized in that: The top of the test box (5) is hinged with a box cover (51), the bottom of the inner wall of the test box (5) is fixedly provided with a tooling platform, the left end of the test box (5) is detachably connected to a first receiving antenna (52), the right end of the test box (5) is detachably connected to a telescopic rod (53), the left end of the telescopic rod (53) extends to the inside of the test box (5), and the left end of the telescopic rod (53) is fixedly provided with a second receiving antenna (54).

6. The complete set of automotive electronic electromagnetic compatibility testing device according to claim 1 is characterized in that: Guide rails (61) are fixedly provided on both left and right sides of the bottom of the auxiliary frame (6), a slide seat (62) is slidably connected to the top of the guide rail (61), and opposite sides of the two slide seats (62) are respectively fixedly connected to the bottom of the adjustment seat (7); An adjusting motor (63) is fixedly provided at the bottom of the auxiliary frame (6); the front and rear sides of the middle of the bottom surface of the auxiliary frame (6) are movably connected to the front and rear ends of the screw rod (64) respectively; the rear output end of the adjusting motor (63) is fixedly connected to the front end of the screw rod (64); a driving motor (65) is fixedly provided at the right side of the top of the auxiliary frame (6); and the left output end of the driving motor (65) is fixedly connected to the right side of the turntable (8) on the right side of the auxiliary frame (6); A docking curved surface (71) is fixedly provided on the top of the rear side of the adjustment seat (7), the bottom of the adjustment seat (7) is threadedly connected to the outer side of the screw rod (64), and the docking curved surface (71) is matched with the outer side of the bearing (42).

7. The complete set of automotive electronic electromagnetic compatibility testing device according to claim 1 is characterized in that: A slide groove (81) is fixedly provided on opposite sides of the two rotating disks (8), and a guide seat (82) is slidably connected to opposite sides of the two rotating disks (8). The guide seat (82) cooperates with the slide groove (81), and a leaf spring (83) is fixedly provided on the outer side of the guide seat (82). The leaf spring (83) extends into the slide groove (81), and the front ends of the two guide seats (82) are movably connected to the left and right ends of the pin shaft (41) respectively.

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