CN213918154U - Pitch angle adjusting mechanism and wireless charging radiation emission test bench for electric automobile - Google Patents

Abstract

The utility model provides a pitch angle adjustment mechanism and wireless radiation emission test rack that charges of electric automobile carries out the free adjustment to the pitch angle of the wireless receiving terminal that charges of electric automobile through pitch angle adjustment mechanism, and the motorcycle type of true simulation electric automobile and the actual parking of vehicle lead to the wireless receiving terminal that charges and the wireless condition that has the angular deviation between the transmitting terminal that charges. In addition, various application scenarios of wireless charging of the wireless charging system of the electric automobile are fully considered, and the wireless charging system is correspondingly tested under various working conditions such as angle deviation caused by inclination between the transmitting end of the transmitting module and the receiving end of the receiving module. Therefore, the electromagnetic compatibility test can be efficiently, accurately and comprehensively carried out on the wireless charging system of the electric automobile, and the reliability of safe and stable operation of the wireless charging system of the electric automobile is guaranteed.

Description

Pitch angle adjusting mechanism and wireless charging radiation emission test bench for electric automobile

Technical Field

The utility model belongs to the technical field of the wireless charging system electromagnetic compatibility of electric motor car tests, especially, relate to a pitch angle adjustment mechanism and the wireless radiation emission test rack that charges of electric automobile.

Background

As a new energy automobile, an electric drive automobile is a new energy automobile, and as a wireless charging system of the electric drive automobile relates to a plurality of related technologies such as wireless power transmission, indoor accurate positioning, wireless communication, metal foreign matter detection and the like, electromagnetic compatibility problems are closely related to the quality of energy transmission, electromagnetic interference caused to the system, influence on a human body and the like, and the safe, reliable and stable operation of the system can be ensured only by effectively solving the electromagnetic compatibility problems. Therefore, how to perform the electromagnetic compatibility test on the wireless charging system of the electric vehicle is one of the important contents of the performance test and scientific evaluation of the electric vehicle. Therefore, the international commission on radio interference special CISPR11 specifies component level tests, including test methods and standard limits, for wireless charging systems for electric vehicles.

However, in the current electromagnetic compatibility testing process of the wireless charging system of the electric vehicle, the model of the electric vehicle and the actual parking condition of the vehicle cannot be really simulated, and the wireless charging system is not correspondingly tested under different working conditions such as the relative position, the relative distance and the presence or absence of angle deviation of the wireless charging receiving end and the wireless charging transmitting end, so that the wireless charging system cannot be comprehensively and accurately tested. The position and the offset angle of a wireless charging receiving end of a wireless charging system are often determined due to the vehicle type of the electric vehicle and the actual parking condition of the vehicle, and the position of a wireless charging transmitting end of the wireless charging system of the electric vehicle is generally fixed, so that an adjusting mechanism capable of adjusting the angular offset of the wireless charging receiving end of the electric vehicle is required to be designed, the vehicle type of the electric vehicle and the actual parking of the vehicle are truly simulated, corresponding testing is carried out on the wireless charging system under the condition that the angular offset working condition exists between the wireless charging receiving end and the wireless charging transmitting end, and the safety and the reliability of stable operation of the system are guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an in electric automobile electromagnetic compatibility testing process, can adjust the wireless angular migration who charges the receiving terminal of electric automobile to the motorcycle type of true simulation electric automobile and the actual parking of vehicle cause wireless receiving terminal and the wireless transmitting terminal that charges to exist under the angular migration operating mode condition, test wireless charging system comprehensively, accurately, improve the pitch angle adjustment mechanism of system safety, the reliability of steady operation.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a pitch angle adjustment mechanism for in the electromagnetic compatibility test process of electric automobile wireless charging system, adjust the pitch angle of wireless charging system's receiving module, include:

a first plate body;

the second plate body is spaced from and arranged opposite to the first plate body;

the middle plate body is arranged between the first plate body and the second plate body, the middle plate body and the first plate body are arranged at intervals and oppositely, and the middle plate body and the second plate body are arranged at intervals and oppositely;

the first hinge connecting piece comprises two first hinge supports arranged on the first plate body at intervals along the X-axis direction and two first pivots which are respectively and rotatably installed on the corresponding first hinge supports, and the middle plate body is respectively connected with the two first pivots so that the middle plate body can be rotatably installed on the first plate body around the first pivots;

the second hinge connecting piece comprises two second hinge supports arranged on the middle plate body at intervals along the Y-axis direction and two second pivot shafts respectively rotatably arranged on the corresponding second hinge supports, and the second plate body is respectively connected with the two second pivot shafts so as to be rotatably arranged on the middle plate body around the second pivot shafts;

the first positioning assembly is arranged on the first plate body and used for positioning the pitching angle of the middle plate body rotating around the first pivot;

the second positioning assembly is arranged on the middle plate body and used for positioning the pitching angle of the second plate body rotating around the second pivot; and

the pressing component is arranged on the second plate body and used for pressing and fixing the receiving module on one surface of the second plate body, which is far away from the middle plate body;

the X-axis direction is parallel to the horizontal direction, the Y-axis direction is parallel to the horizontal direction, and the Y-axis direction is perpendicular to the X-axis direction.

Further, the first positioning assembly comprises a first positioning support fixedly arranged on the first plate body and a first bolt piece which is used for abutting against and fixing the first positioning support on the middle plate body, a first strip hole used for positioning a pitching angle of the middle plate body rotating around the first pivot is formed in the first positioning support, the first strip hole extends along the Z-axis direction, the first bolt piece is arranged in the first strip hole in a penetrating mode, and the Z-axis direction is perpendicular to the horizontal direction.

Further, the number of the first positioning assemblies is four, two of the first positioning assemblies are positioned on two sides of one of the first hinge supports, and the other two of the first positioning assemblies are positioned on two sides of the other one of the first hinge supports.

Further, the second positioning assembly comprises a second positioning support fixedly arranged on the middle plate body and a second bolt piece which is used for abutting against and fixing the second positioning support on the second plate body, a second strip hole used for positioning the second plate body around the pitching angle of the second pivot is formed in the second positioning support, the second strip hole extends along the Z-axis direction, the second bolt piece penetrates through the second strip hole, and the Z-axis direction is perpendicular to the horizontal direction.

Further, the number of the second positioning assemblies is four, two of the second positioning assemblies are located on two sides of one of the second hinge supports, and the other two of the second positioning assemblies are located on two sides of the other second hinge support.

Furthermore, the pressing component comprises two pressing strips which are arranged on one surface of the second plate body, which deviates from the middle plate body, and a plurality of screws which respectively press and fix the pressing strips on the second plate body, wherein the middle plate body is correspondingly provided with internal thread holes which are matched with the corresponding screws in threaded connection.

Furthermore, the pitch angle adjusting mechanism further comprises a shielding plate which is used for being arranged between the second plate body and the receiving module in a spaced mode to carry out electromagnetic shielding, the shielding plate is fixedly installed on the second plate body, and one surface of the shielding plate, which deviates from the second plate body, is used for supporting the receiving module.

Further, the pitch angle adjusting mechanism further comprises a steel plate used for simulating an electric automobile body, the steel plate is arranged between the second plate body and the shielding plate in a spaced mode, the steel plate is fixedly connected to the second plate body, and the area of the steel plate is larger than that of the shielding plate.

Furthermore, the first hinge connecting piece further comprises first connecting blocks which detachably connect the corresponding first pivots with the middle plate body respectively, each first connecting block is fixedly connected with the corresponding first pivot, and each first connecting block is provided with a first clamping groove for clamping the side edge of the middle plate body; the second hinge connecting piece further comprises second connecting blocks which detachably connect the corresponding second pivot shafts with the middle plate body respectively, each second connecting block is fixedly connected with the corresponding second pivot shaft, and each second connecting block is provided with a second clamping groove for clamping the side edge of the middle plate body.

Another object of the embodiment is to provide an in electric automobile electromagnetic compatibility testing process, can adjust the wireless angular migration who charges the receiving terminal of electric automobile to the motorcycle type of true simulation electric automobile and the actual parking of vehicle cause wireless receiving terminal and the wireless transmitting terminal that charges between have the angular migration operating mode condition under, test wireless charging system comprehensively, accurately, improve the wireless radiation emission test bench that charges of system safety, steady operation's reliability.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an electric automobile wireless charging radiation emission test rack, include pitch angle adjustment mechanism.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, compare with prior art, have one of following beneficial effect at least:

the embodiment of the utility model provides an in pitch angle adjustment mechanism and wireless radiation emission test rack that charges of electric automobile, through pitch angle adjustment mechanism to the receiving module's of the wireless charging system of electric automobile pitch angle degree carry out the free adjustment, the motorcycle type of true simulation electric automobile and the actual condition of parking of vehicle lead to having angular migration between wireless charging system's receiving module and the transmitting module. In addition, various application scenarios of wireless charging of the wireless charging system of the electric automobile are fully considered, and the wireless charging system is correspondingly tested under various working conditions such as angle deviation caused by inclination between the transmitting end of the transmitting module and the receiving end of the receiving module. Therefore, the electromagnetic compatibility test can be efficiently, accurately and comprehensively carried out on the wireless charging system of the electric automobile, and the reliability of safe and stable operation of the wireless charging system of the electric automobile is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a front view of an electric vehicle wireless charging radiation emission test bench provided by an embodiment of the present invention;

fig. 2 is a schematic perspective view of a wireless charging radiation emission test bench for an electric vehicle according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a lifting adjusting device according to an embodiment of the present invention;

fig. 4 is another schematic perspective view of a lifting adjustment device according to an embodiment of the present invention;

fig. 5 is a partially exploded view of a lift adjustment device according to an embodiment of the present invention;

FIG. 6 is a partially enlarged view of FIG. 5;

FIG. 7 is a partially enlarged view of FIG. 5;

fig. 8 is a schematic perspective view of a lead screw and nut mechanism according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a guide assembly according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a pitch angle adjusting mechanism provided in an embodiment of the present invention;

fig. 11 is a partially exploded view of a pitch angle adjustment mechanism provided in an embodiment of the present invention;

fig. 12 is another partially exploded view of a pitch angle adjustment mechanism provided in an embodiment of the present invention;

fig. 13 is a front view of a position adjustment device according to an embodiment of the present invention;

fig. 14 is a schematic perspective view of a position adjustment device according to an embodiment of the present invention;

fig. 15 is a partially exploded view of a position adjustment device according to an embodiment of the present invention;

FIG. 16 is an enlarged view of a portion of FIG. 15;

FIG. 17 is an enlarged view of a portion of FIG. 15;

fig. 18 is another partially exploded view of a position adjustment device according to an embodiment of the present invention;

fig. 19 is a partially enlarged schematic view of fig. 18.

Wherein, in the figures, the respective reference numerals:

1-a body frame; 11-a polygonal frame; 12-a connecting column;

2-a position adjustment device; 21-a bottom plate; 211-a first positioning hole; 212-a second positioning hole; 22-a support plate; 23-a third positioning assembly; 231-first positioning block; 232-a second positioning block; 24-a first adjustment assembly; 241-a first clamping member; 242-a third bolt member; 243-third elongated holes; 25-a second adjustment assembly; 251-a second clamp; 252-a fourth bolt member; 253-a fourth elongated hole; 26-bull's eye ball; 27-a rotating structure; 271-rotating support; 272-deep groove ball bearings; 273-support column; 274-support discs; 28-a second scale; 29-a third scale;

3-a lifting adjusting device; 31-a support table;

32-pitch angle adjustment mechanism; 321-a first plate body; 322-a second plate body; 323-intermediate plate body; 324-a first hinged connection; 3241-first hinge support; 3242-a first pivot; 3243 — first connecting block; 3244-a first card slot; 325-a second hinged connection; 3251-a second hinged bracket; 3252-a second pivot; 3253-second connecting block; 3254-a second card slot; 326 — a first positioning assembly; 3261-a first positioning holder; 3262-a first bolt member; 3263-a first elongated hole; 327-a second positioning assembly; 3271-a second positioning bracket; 3272-a second bolt member; 3273-second elongated hole; 328-a pressing component; 3281 pressing a strip; 3281-screw; 329 a shield plate;

33-a lead screw nut mechanism; 331-a screw shaft; 332-a nut;

34-a drive mechanism; 341-drive shaft; 342-a helical gear; 343-bevel gears;

35-a guide assembly; 351-guide post; 352-a guide plate; 3521-vertical plate; 3522-horizontal plate; 353-long strip-shaped guide holes; 354-a first scale; 36-rotating the disc;

4-a transmitting module; 5-a receiving module; 6-steel plate; 7-a first pointer;

8-a first protractor; 9-a second pointer; 10-second protractor.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 10 to 12 together, a pitch angle adjusting mechanism according to an embodiment of the present invention will now be described. And the pitch angle adjusting mechanism 32 is used for adjusting the pitch angle of the receiving module of the wireless charging system in the electromagnetic compatibility testing process of the wireless charging system of the electric automobile. This pitch angle adjustment mechanism 32 includes first plate body 321, second plate body 322, middle plate body 323, first articulated connecting piece 324, second articulated connecting piece 325, first locating component 326, second locating component 327 and support and press subassembly 328, first plate body 321 fixed mounting is in the top of electric automobile wireless charging radiation emission test bench, second plate body 322 and first plate body 321 interval and relative setting, middle plate body 323 is located between first plate body 321 and second plate body 322, middle plate body 323 and first plate body 321 interval and relative setting, and middle plate body 323 and second plate body 322 interval and relative setting. The pressing component 328 is disposed on the second board 322, and the receiving module can be pressed and fixed on a surface of the second board 322 departing from the middle board 323 by the pressing component 328. Referring to fig. 4 to 6, the first hinge connector 324 includes two first hinge brackets 3241 spaced apart from each other along the X-axis direction on the first plate 321 and two first pivot shafts 3242 rotatably mounted on the first hinge brackets 3241, respectively, and the middle plate 323 is connected to the two first pivot shafts 3242, respectively, so that the middle plate 323 is rotatably mounted on the first plate 321 about the first pivot shafts 3242. Referring to fig. 4, 5 and 7, the second hinge connector 325 includes two second hinge brackets 3251 spaced apart from each other along the Y-axis direction and two second pivot shafts 3252 rotatably mounted on the second hinge brackets 3251, respectively, and the second plate 322 is connected to the two second pivot shafts 3252, respectively, so that the second plate 322 is rotatably mounted on the intermediate plate 323 about the second pivot shafts 3252. Referring to fig. 4 and 5, the first positioning assembly 326 is disposed on the first plate 321, and after the tilt angle of the receiving end of the receiving module of the wireless charging system tilting toward the Y-axis direction is adjusted, the first positioning assembly 326 can position the tilt angle of the middle plate 323 rotating around the first pivot 3242. The second positioning assembly 327 is disposed on the middle plate 323, and is configured to position the pitch angle of the second plate 322 rotating around the second pivot 3252 after the pitch angle of the receiving end of the receiving module of the wireless charging system tilting toward the X-axis direction is adjusted. The X-axis direction is parallel to the horizontal direction, the Y-axis direction is parallel to the horizontal direction, and the Y-axis direction is perpendicular to the X-axis direction. When the receiving end of the receiving module of the wireless charging system is required to tilt toward the Y-axis direction, the middle plate 323 is only required to rotate around the first pivot 3242, and after the tilt angle of the receiving end of the receiving module toward the Y-axis direction is adjusted, the middle plate 323 can be positioned by the first positioning assembly 326. And when the receiving end of the receiving module of the wireless charging system is required to tilt towards the Y-axis direction, the second plate 322 is only required to rotate around the second pivot 3252, and after the pitching angle of the receiving end of the receiving module tilting towards the Y-axis direction is adjusted, the second plate 322 can be positioned by the second positioning assembly 327. Therefore, the pitch angle of the receiving end (receiving plate) of the receiving module can be adjusted conveniently, the pitch angle of the receiving module 5 of the wireless charging system of the electric automobile can be adjusted freely, the model of the electric automobile and the actual parking of the automobile are truly simulated, and the wireless charging system is correspondingly tested under the condition that an angle deviation working condition exists between the receiving module 5 of the wireless charging system and the wireless charging transmitting end, so that the testing accuracy is improved, and the safety and the stable running reliability of the system are guaranteed.

The embodiment of the utility model provides a pitch angle adjustment mechanism 32 compares with prior art, carries out the free adjustment through pitch angle adjustment mechanism 32 to the receiving module 5's of the wireless charging system of electric automobile every single move angle, and the motorcycle type of true simulation electric automobile and the actual parking of vehicle lead to the condition that there is angular migration between wireless charging system's receiving module 5 and the wireless transmitting terminal that charges. Moreover, various application scenes of wireless charging of the wireless charging system of the electric automobile are fully considered, the wireless charging system is correspondingly tested under various working conditions of angle deviation and the like caused by inclination between the transmitting end of the transmitting module 4 and the receiving end of the receiving module, efficient, accurate and comprehensive electromagnetic compatibility testing can be carried out on the wireless charging system of the electric automobile, and the reliability of safe and stable operation of the wireless charging system of the electric automobile is guaranteed.

Referring to fig. 4 and 10, in some embodiments, the first positioning assembly 326 includes a first positioning support 3261 fixedly disposed on the first plate 321, and a first bolt 3262 for pressing and fixing the first positioning support 3261 on the middle plate 323, the first positioning support 3261 is provided with a first elongated hole 3262 for positioning a pitch angle of the middle plate 323 rotating around a first pivot 3242, the first elongated hole 3262 extends along a Z-axis direction, the first bolt 3262 is inserted into the first elongated hole 3262, and the Z-axis direction is perpendicular to a horizontal direction. By adopting the above scheme, the first positioning support 3261 is fixedly arranged on the first plate 321, the first positioning support 3261 is provided with the first elongated hole 3262 extending along the Z-axis direction, and the first bolt 3262 is inserted into the first elongated hole 3262. Like this, the receiving terminal that needs wireless charging system's receiving module inclines towards Y axle direction, only need make middle plate body 323 rotate around first pivot 3242, after the receiving terminal that has adjusted receiving module inclines towards the every single move angle of Y axle direction, accessible first bolt spare 3262 supports first locating support 3261 and presses and be fixed in on middle plate body 323, then can realize middle plate body 323's location fast, improve the receiving terminal and incline towards the efficiency of Y axle direction in order to adjust every single move angle, accelerate test speed.

Referring to fig. 11 and 12 in combination, in some embodiments, the number of the first positioning elements 326 is four, two of the first positioning elements 326 are located at two sides of one of the first hinge supports 3241, and the other two of the first positioning elements 326 are located at two sides of the other first hinge support 3241. By adopting the above scheme, two first positioning assemblies 326 are respectively arranged on two sides of one first hinged support 3241, and the two first positioning assemblies 326 are symmetrically arranged on two sides of one first hinged support 3241, and two first positioning assemblies 326 are respectively arranged on two sides of the other first hinged support 3241, and the two first positioning assemblies 326 are symmetrically arranged on two sides of the other first hinged support 3241, so that the stress of the middle plate 323 with a certain pitch angle after tilting is more balanced, and the stability and reliability of the pitch angle adjustment of the receiving end (receiving plate) of the receiving module are enhanced.

Referring to fig. 4 and 10, in some embodiments, the second positioning assembly 327 includes a second positioning bracket 3271 fixedly disposed on the middle plate 323 and a second bolt 3262 pressing and fixing the second positioning bracket 3271 on the second plate 322, the second positioning bracket 3271 is provided with a second elongated hole 3263 for positioning a pitch angle of the second plate 322 rotating around the second pivot 3252, the second elongated hole 3263 extends along the Z-axis direction, the second bolt 3262 is inserted into the second elongated hole 3263, and the Z-axis direction is perpendicular to the horizontal direction. By adopting the above scheme, the second positioning bracket 3271 is fixedly arranged on the second plate body 322, the second positioning bracket 3271 is provided with the second elongated hole 3263 extending along the Z-axis direction, and the second bolt 3262 is inserted into the second elongated hole 3263. Like this, at the receiving terminal of the receiving module that needs wireless charging system slope towards the X axle direction, only need to make second plate body 322 rotate around second pivot 3252, after the receiving terminal of receiving module had been adjusted towards the pitch angle of X axle direction slope, accessible second bolt piece 3262 supported second locating support 3271 and pressed and be fixed in on middle plate body 323, then can realize the location of middle plate body 323 fast, improve the receiving terminal and incline towards the efficiency of Y axle direction in order to adjust the pitch angle, accelerate test speed.

Referring to fig. 11 and 12, in some embodiments, the number of the second positioning elements 327 is four, two of the second positioning elements 327 are located at two sides of one of the second hinge supports 3251, and the other two second positioning elements 327 are located at two sides of the other second hinge support 3251. By adopting the above scheme, two second positioning assemblies 327 are respectively arranged on two sides of one second hinged support 3251, the two second positioning assemblies 327 are symmetrically arranged on two sides of one second hinged support 3251, meanwhile, two second positioning assemblies 327 are respectively arranged on two sides of the other second hinged support 3251, and the two second positioning assemblies 327 are symmetrically arranged on two sides of the other second hinged support 3251, so that the stress of the second plate body 322 with a certain pitch angle after being inclined is more balanced, and the stability and reliability of the pitch angle adjustment of the receiving end (receiving plate) of the receiving module are enhanced

Referring to fig. 12, in some embodiments, the pressing assembly 328 includes two pressing strips 3281 disposed in parallel and at an interval on a surface of the second plate 322 facing away from the middle plate 323, and a plurality of screws 3282 for respectively pressing and fixing each pressing strip 3281 to the second plate 322, wherein the middle plate 323 is correspondingly provided with an internal threaded hole for matching with the corresponding screw 3282 to be in threaded connection. By adopting the above scheme, the receiving end (receiving plate) of the receiving module is placed on the surface of the second plate body 322, which is away from the middle plate body 323, only two pressing strips 3281 are needed to press the receiving end (receiving plate) of the receiving module towards the second plate body 322, and then the pressing strips 3281 are pressed and fixed on the second plate body 322 by a plurality of screws 3282 respectively, so that the receiving end (receiving plate) of the receiving module can be quickly and stably fixedly installed on the second plate body 322.

Referring to fig. 10 and 11, in some embodiments, the pitch angle adjusting mechanism 32 further includes a shielding plate 329 disposed between the second plate 322 and the receiving module for electromagnetic shielding, the shielding plate 329 is fixedly mounted on the second plate 322, and a surface of the shielding plate 329 facing away from the second plate 322 is used for supporting the receiving module. By adopting the above scheme, the shielding plate 329 is arranged between the second plate body 322 and the receiving module, and electromagnetic shielding is performed through the shielding plate 329, so that the accuracy of the electromagnetic compatibility test is improved.

Referring to fig. 10 and 11, in some embodiments, the pitch angle adjusting mechanism 32 further includes a steel plate 6 for simulating a body of an electric vehicle, the steel plate 6 is disposed between the second plate 322 and the shielding plate 329, the steel plate 6 is fixedly connected to the second plate 322, and an area of the steel plate 6 is larger than an area of the shielding plate 329. By adopting the above scheme, still set up steel sheet 6 between second plate body 322 and shield plate 329, through the automobile body of 6 simulation electric automobile of steel sheet, fully consider that electric automobile's wireless charging system carries out various application scenes that wireless charging, can carry out high-efficient, accurate, comprehensive electromagnetic compatibility test to electric automobile wireless charging system, guarantee electric automobile wireless charging system safety, the reliability of steady operation.

Referring to fig. 12, in some embodiments, the first hinge connector 324 further includes first connecting blocks 3243 for detachably connecting the corresponding first pivot shafts 3242 to the middle plate 323, each first connecting block 3243 is fixedly connected to the corresponding first pivot shaft 3242, and each first connecting block 3243 is provided with a first locking groove 3244 for locking the side edge of the middle plate 323; the second hinge connector 325 further includes second connecting blocks 3253 for detachably connecting the corresponding second pivot shafts 3252 to the middle plate 323, each second connecting block 3253 is fixedly connected to the corresponding second pivot shaft 3252, and each second connecting block 3253 is provided with a second clamping groove 3254 for clamping the side edge of the middle plate 323. By adopting the above scheme, the detachable connection of the middle plate body 323 with the first hinge connecting piece 324 and the second hinge connecting piece 325 can be realized only by fixedly connecting each first connecting block 3243 with the corresponding first pivot 3242, fixedly connecting each second connecting block 3253 with the corresponding second pivot 3252, respectively clamping the corresponding side edge of the middle plate body 323 in the first clamping groove 3244 on each first connecting block 3243, and respectively clamping the corresponding side edge of the middle plate body 323 in the second clamping groove 3254 on each first connecting block 3243, so that the detachment and installation of the middle plate body 323 are facilitated, the middle plate body 323 is supported by each first connecting block 3243 and each second connecting block 3253, the stress surface is increased, and the stability of the first hinge connecting piece 324 and the second hinge connecting piece 325 in connection with the middle plate body 323 is enhanced.

Referring to fig. 6, in some embodiments, a first pointer 7 that rotates synchronously with the first pivot 3242 is disposed on an end surface of the first pivot 3242 at an end away from the middle plate 323, a first protractor 8 for measuring a rotation angle of the first pivot 3242 is disposed on the first hinge support 3241 corresponding to the first pointer 7, and an angle scale is disposed on the first protractor 8. The angle scale indicated by the first pointer 7 can be observed to measure the angle of the rotation angle of the first pivot 3242, so that the pitch angle of the receiving end of the receiving module inclining towards the Y-axis direction can be accurately measured, and the efficiency and accuracy of pitch angle adjustment can be improved.

Referring to fig. 7, in some embodiments, a second indicator pin 9 that rotates synchronously with the second pivot 3252 is disposed on an end surface of the second pivot 3252 at an end away from the middle plate 323, a second protractor 10 for measuring a rotation angle of the second pivot 3252 is disposed on the second hinge support 3251 corresponding to a position of the second indicator pin 9, and an angle scale is disposed on the second protractor 10. The angle scale indicated by the second pointer 9 can be observed to measure the angle of the rotation angle of the second pivot 3252, so that the pitch angle of the receiving end of the receiving module inclining towards the X-axis direction can be accurately measured, and the efficiency and accuracy of pitch angle adjustment can be improved.

The embodiment of the utility model provides a still provide a wireless radiation emission test rack that charges of electric automobile for electromagnetic compatibility test at the wireless charging system of electric automobile, the angle of pitch adjustment mechanism 32 that provides including any above-mentioned embodiment.

Referring to fig. 1 and fig. 2 in combination, in some embodiments, the electric vehicle wireless charging radiation emission test bench includes a main body frame 1, a position adjusting device 2, and a lifting adjusting device 3, where the main body frame 1, the position adjusting device 2, and the lifting adjusting device 3 are all made of PA66 (polyhexamethylene adipamide), ABS plastic, acrylic, and other non-metallic materials that do not refract or reflect electromagnetic waves, so as to reduce the influence of the electric vehicle wireless charging radiation emission test bench on the refraction and reflection of the electromagnetic waves, thereby improving the accuracy of the electromagnetic compatibility test of the electric vehicle wireless charging system. The position adjusting device 2 is arranged in the main body frame 1 and positioned at the bottom of the main body frame 1, in the electromagnetic compatibility testing process of the wireless charging system of the electric automobile, the transmitting module 4 of the wireless charging system is arranged on the position adjusting device 2, the position of the transmitting module 4 of the wireless charging system can be adjusted through the position adjusting device 2, the purpose of correspondingly adjusting the position of a wireless charging transmitting end by simulating the automobile type of the electric automobile and the actual parking condition of the automobile is achieved, the relative position offset of the transmitting module 4 of the wireless charging system and the receiving module of the wireless charging system is freely adjusted, so that the relative position between the receiving module 5 of the wireless charging system and the wireless charging transmitting end of the wireless charging system can be quickly and accurately positioned, the testing difficulty is reduced, the testing efficiency is greatly improved, and the actual application scene of the wireless charging of the electric automobile can be simulated, the test requirements of the electric automobile under different running conditions are better met. Lifting adjusting device 3 locates in main body frame 1 and is located main body frame 1's top, in electric automobile wireless charging system's electromagnetic compatibility test process, install wireless charging system's receiving module on lifting adjusting device 3, alright carry out free adjustment to wireless charging system's receiving module's height through lifting adjusting device 3, make wireless charging system's receiving module 5 and wireless charging transmitting terminal carry out corresponding test to wireless charging system under the multiplex condition at a distance of different distances apart, the motorcycle type of real simulation electric automobile and the actual parking condition of vehicle, improve the accuracy of test, thereby guarantee system safety, the reliability of steady operation. The lifting adjusting device 3 comprises a support table 31 fixedly mounted on the top of the main body frame 1, a screw nut mechanism 33 driving the pitch angle adjusting mechanism 32 to move up and down, and a driving mechanism 34 driving the screw nut mechanism 33 to work, wherein the screw nut mechanism 33 is mounted on the support table 31. The elevation adjusting device 3 further includes a pitch angle adjusting mechanism 32 for adjusting a pitch angle of a receiving module of the wireless charging system, the pitch angle adjusting mechanism 32 is located above the position adjusting device 2, and the pitch angle adjusting mechanism 32 is connected to a screw nut mechanism 33. When the lifting adjusting device 3 works, only the receiving module of the wireless charging system needs to be installed on the pitch angle adjusting mechanism 32, the driving mechanism 34 can drive the lead screw nut mechanism 33 to work, and the lead screw nut mechanism 33 drives the receiving module on the pitch angle adjusting mechanism 32 to perform height adjustment. So simultaneously, can also carry out free adjustment to the every single move angle of receiving module 5 of electric automobile wireless charging system through pitch angle adjustment mechanism 32, the motorcycle type of true simulation electric automobile and the actual parking of vehicle to under the operating mode condition that has the angular migration between receiving module 5 of wireless charging system and the wireless transmitting terminal that charges, can carry out corresponding test to wireless charging system, improve the accuracy of test, thereby guarantee the reliability of system safety, steady operation.

The embodiment of the utility model provides a wireless radiation emission test bench that charges of electric automobile, compared with the prior art, carry out the position adjustment device 2 of adjusting through the position that sets up emission module 4 at main body frame 1 to wireless charging system, the lift adjusting device 3 that highly adjusts to wireless charging system's receiving module is set up at main body frame 1's top, and lift adjusting device 3 includes the angle of pitch adjustment mechanism 32 that adjusts to wireless charging system's receiving module's pitch angle, drive the lead screw nut mechanism 33 of angle of pitch adjustment mechanism 32 lift removal and the actuating mechanism 34 of drive lead screw nut mechanism 33 work. In the process of testing the electromagnetic compatibility of the wireless charging system of the electric vehicle, the relative position deviation between the transmitting end of the transmitting module 4 and the receiving end of the receiving module can be adjusted by the position adjusting device 2, the height position of the receiving module of the wireless charging system of the electric vehicle and the pitch angle of the receiving module of the wireless charging system of the electric vehicle can be adjusted by the lifting adjusting device 3, the distance between the transmitting end of the transmitting module 4 and the receiving end of the receiving module, the relative position deviation between the transmitting end of the transmitting module 4 and the receiving end of the receiving module, and the testing parameters under various working conditions such as the angular deviation of the transmitting end of the transmitting module 4 and the receiving end of the receiving module due to the inclination can be freely adjusted, the model of the electric vehicle and the actual parking of the vehicle can be truly simulated, and the application scene of the wireless charging system of the, the whole electric vehicle wireless charging radiation emission test bench is made of a non-metal material which does not refract or reflect electromagnetic waves, so that the high-efficiency, accurate and comprehensive electromagnetic compatibility test can be performed on the electric vehicle wireless charging system, and the reliability of safe and stable operation of the electric vehicle wireless charging system is guaranteed.

Referring to fig. 4 and 8, in some embodiments, the screw-nut mechanism 33 includes a screw shaft 331 having an external thread and a nut 332 mounted on the screw shaft 331, the nut 332 is rotatably mounted on the support platform 31, and the screw shaft 331 is connected to the pitch angle adjusting mechanism 32. By adopting the above scheme, the nut 332 is rotatably mounted on the support table 31, and only the nut 332 needs to be rotated, so that the screw shaft 331 moves up and down along the axial direction, the pitch angle adjusting mechanism 32 is driven by the screw shaft to move up and down, and the height of the receiving module on the pitch angle adjusting mechanism 32 is adjusted. It is understood that in some embodiments, the screw-nut mechanism 33 of the lifting adjusting device 3 may also use a linear driving mechanism 34 such as a rack-and-pinion mechanism, a hydraulic cylinder, an air cylinder, etc. to achieve the lifting of the receiving module.

Referring to fig. 4 and 5, in some embodiments, the driving mechanism 34 includes a driving shaft 341 rotatably supported on the supporting platform 31 at two ends, a spiral gear 342 disposed on the driving shaft 341, and a bevel gear 343 engaged with the spiral gear 342 to rotate the nut 332, wherein the bevel gear 343 is fixedly connected to the nut 332. By adopting the above scheme, the driving mechanism 34 includes the driving shaft 341, the helical gear 342 disposed on the driving shaft 341 and the bevel gear 343 engaged with the helical gear 342, both ends of the driving shaft 341 are rotatably supported on the supporting platform 31 through the bearing seat and the bearing, only the driving shaft 341 needs to be rotated, the driving shaft 341 drives the helical gear 342 sleeved on the driving shaft 341 to synchronously rotate, the helical gear 342 is engaged with the bevel gear 343, thereby driving the nut 332 of the screw-nut mechanism 33 to rotate, realizing the operation of driving the screw-nut mechanism 33, the structure is simple, and the operation and use are convenient.

Referring to fig. 3 and 4, in some embodiments, the lifting adjusting device 3 further includes a guiding assembly 35 for guiding the pitch angle adjusting mechanism 32 to move up and down, the guiding assembly 35 includes a guiding plate 352 and a plurality of guiding posts 351 axially perpendicular to the screw shaft 331, the guiding plate 352 is provided with a strip-shaped guiding hole 353, the strip-shaped guiding hole 353 extends in an axial direction parallel to the screw shaft 331, the guiding posts 351 are disposed in the strip-shaped guiding hole 353, and one end of the guiding posts 351 is fixedly connected to the supporting platform 31. By adopting the above scheme, the guide assembly 35 for guiding the pitch angle adjusting mechanism 32 to move up and down is arranged, and the guide assembly 35 comprises the guide plate 352 and a plurality of guide columns 351 which are matched with the guide plate 352 to guide the pitch angle adjusting mechanism 32 to move up and down. Specifically, the guide plate 352 is provided with a long strip-shaped guide hole 353 extending in the axial direction parallel to the screw shaft 331, the guide column 351 is inserted into the long strip-shaped guide hole 353, and one end of the guide column 351 is fixedly connected to the support table 31. When the screw shaft 331 of the screw-nut mechanism 33 drives the pitch angle adjusting mechanism 32 to move up and down, the guide plate 352 guides the pitch angle adjusting mechanism 32 to move up and down under the sliding fit of the elongated guide hole 353 and the guide post 351, thereby improving the stability of the pitch angle adjusting mechanism 32 driven by the screw shaft 331 to move up and down.

Referring to fig. 9, in some embodiments, two elongated guiding holes 353 are formed in the guiding plate 352, the two elongated guiding holes 353 are disposed in parallel and at an interval, and each guiding column 351 is inserted into the corresponding elongated guiding hole 353. By adopting the above scheme, two strip-shaped guide holes 353 are formed in the guide plate 352, the two strip-shaped guide holes 353 are arranged in parallel and at intervals, and each guide column 351 is arranged in the corresponding strip-shaped guide hole 353 in a penetrating manner, so that the guide plate 352 is prevented from being inclined in the guiding process, and the stability of the pitch angle adjusting mechanism 32 driven by the screw shaft 331 to move up and down is further improved.

Referring to fig. 9, in some embodiments, the guide plate 352 is provided with a first scale 354 for measuring the displacement of the receiving module during the lifting movement, so that the height position adjustment of the receiving module can be precisely controlled, and the accuracy of the test can be improved.

Referring to fig. 9, in some embodiments, the guide plate 352 includes a vertical plate 3521 extending in an axial direction parallel to the screw shaft 331 and a horizontal plate 3522 connected to a bottom end of the vertical plate 3521, the horizontal plate 3522 is fixedly connected to the pitch angle adjusting mechanism 32, and the elongated guide hole 353 is formed in the vertical plate 3521. By adopting the above scheme, the guide plate 352 is arranged to be a vertical plate 3521 and a guide piece connected with the horizontal plate 3522, wherein the vertical plate 3521 is parallel to the axial direction of the screw shaft 331, the horizontal plate 3522 extends in the horizontal direction, only the bottom end of the vertical plate 3521 needs to be connected with the horizontal plate 3522, and the horizontal plate 3522 is fixedly connected with the pitch angle adjusting mechanism 32, so that the guide plate 352 can be stably connected to the pitch angle adjusting mechanism 32, the guide plate 352 is prevented from being inclined in the guiding process, and the stability of the pitch angle adjusting mechanism 32 driven by the screw shaft 331 to move up and down is further improved.

Referring to fig. 3 and 9, in some embodiments, the horizontal plate 3522 and the vertical plate 3521 are integrally formed to form an L-shaped plate with a vertical section in an "L" shape, so as to further enhance the stability of the connection between the horizontal plate 3522 and the vertical plate 3521 and prevent the guide plate 352 from tilting during the guiding process.

Referring to fig. 5 in combination, in some embodiments, the driving mechanism 34 further includes a rotating disc 36 for rotating the driving shaft 341 by a user, wherein the rotating disc 36 is fixedly connected to one end of the driving shaft 341. When the height position of the receiving module is adjusted, a user only needs to hold the rotating disk 36 by hand and rotate the rotating disk 36, and the rotating disk 36 drives the driving shaft 341 to rotate so that the driving shaft 341 drives the screw nut mechanism 33 to work, so that the height position of the receiving module is adjusted, and the receiving module is convenient to operate and simple to use.

Referring to fig. 8, in some embodiments, the driving shaft 341 is integrally formed with the spiral gear 342, and the bevel gear 343 is integrally formed with the nut 332, so as to improve the transmission efficiency.

Referring to fig. 4 and 10, in some embodiments, the first plate 321 of the pitch angle adjusting mechanism 32 is connected to the lead screw nut mechanism 33. In the above embodiment, the pitching angle of the receiving module 5 of the wireless charging system of the electric vehicle is freely adjusted by the pitching angle adjusting mechanism 32, so that the situation that the receiving module 5 of the wireless charging system and the wireless charging transmitting terminal have an angle offset due to the model of the electric vehicle and the actual parking of the vehicle is truly simulated. Moreover, various application scenes of wireless charging of the wireless charging system of the electric automobile are fully considered, the wireless charging system is correspondingly tested under various working conditions of angle deviation and the like caused by inclination between the transmitting end of the transmitting module 4 and the receiving end of the receiving module, efficient, accurate and comprehensive electromagnetic compatibility testing can be carried out on the wireless charging system of the electric automobile, and the reliability of safe and stable operation of the wireless charging system of the electric automobile is guaranteed. It is understood that, in some embodiments, the pitch angle adjusting mechanism 32 of the lifting adjusting device 3 may include the above structure, but is not limited to the above structure, for example, the pitch angle adjusting mechanism 32 may also adopt a tilting mechanism driven by a rotating motor or a rotating cylinder, so as to enable the free adjustment of the pitch angle of the receiving module 5 of the wireless charging system of the electric vehicle through the tilting mechanism.

Referring to fig. 2, 13 and 14, in some embodiments, the position adjustment apparatus 2 includes a bottom plate 21 disposed at the bottom of the main body frame 1, a supporting plate 22, a third positioning assembly 23, a first adjusting assembly 24 and a second adjusting assembly 25, the bottom plate 21 is mounted at the bottom of the wireless charging radiation emission testing bench of the electric vehicle, the supporting plate 22 is movably disposed on the bottom plate 21, the third positioning assembly 23 is disposed on the supporting plate 22, the emission module 4 is supported on the supporting plate 22, and the emission module 4 can be positioned on the supporting plate 22 by using the third positioning assembly 23. In some embodiments, the third positioning assembly 23 includes two first positioning blocks 231 spaced along the first direction and cooperating with each other for clamping and positioning the emission module 4 on the support plate 22, and two second positioning blocks 232 spaced along the second direction and cooperating with each other for clamping and positioning the emission module 4 on the support plate 22, each first positioning block 231 is slidably disposed on the support plate 22 along the first direction, and each second positioning block 232 is slidably disposed on the support plate 22 along the second direction.

Referring to fig. 14 and fig. 15, the first adjusting assembly 24 includes two first clamping members 241 disposed at intervals along the first direction and matched with each other to clamp and position the supporting plate 22, and third bolt members 242 respectively pressing and fixing the first clamping members 241 on the bottom plate 21, wherein a plurality of first positioning holes 211 are disposed at intervals along the first direction on the bottom plate 21, so that the third bolt members 242 can be aligned with the corresponding first positioning holes 211, and the positions of the two first clamping members 241 can be adjusted and moved along the first direction, so as to adjust the position of the supporting plate 22, and when the emission module 4 on the supporting plate 22 is adjusted to the test position along with the supporting plate 22, the third bolt members 242 respectively press and fix the two first clamping members 241 on the bottom plate 21, so as to position the emission module 4 on the supporting plate 22. Thus, the position of the transmission module 4 can be adjusted in the first direction parallel to the horizontal direction by the first adjustment member 24. The second adjusting assembly 25 includes two second clamping members 251 spaced along the second direction and cooperating with each other to clamp the positioning support plate 22, and fourth bolt members 252 respectively pressing and fixing the second clamping members 251 on the bottom plate 21, wherein the bottom plate 21 is provided with a plurality of second positioning holes 212 spaced along the second direction, and the second direction is perpendicular to the first direction. The positions of the two second clamping members 251 can be adjusted and moved along the second direction by aligning the fourth bolt 252 with the corresponding second positioning hole 212, so as to adjust the position of the supporting plate 22, and when the emission module 4 on the supporting plate 22 is adjusted to the testing position along with the supporting plate 22, the two second clamping members 251 are respectively pressed and fixed on the bottom plate 21 through the fourth bolt 252, so as to position the emission module 4 on the supporting plate 22. The position of the transmitter module 4 can thus be adjusted in a second direction parallel to the horizontal direction by means of the second adjusting assembly 25. Through adopting above-mentioned scheme, in electric automobile wireless charging system's electromagnetic compatibility test process, only need install bottom plate 21 in the bottom of electric automobile wireless charging radiation emission test bench, utilize third locating component 23 to fix a position emission module 4 in backup pad 22, then can be according to the position needs of testing, adjust first adjusting part 24 and second adjusting part 25, alright utilize first adjusting part 24 to adjust emission module 4's position along the first direction, utilize second adjusting part 25 to adjust emission module 4's position along the second direction of perpendicular to first direction. Like this, alright reach the motorcycle type of simulation electric automobile and the actual parking condition of vehicle and carry out the purpose of corresponding adjustment to the position of wireless transmitting terminal that charges, freely adjust the relative position skew of wireless charging system's transmitting module 4 and wireless charging system's receiving module for the relative position between wireless charging system's receiving module 5 and the wireless transmitting terminal that charges can accomplish fast, pinpointing, not only reduce the test degree of difficulty, still increase substantially test efficiency, can truly simulate the wireless practical application scene that charges of electric automobile, better adaptation electric automobile is the test demand under different operating conditions. It is understood that, in some embodiments, the position adjusting device 2 may include the above structure, but is not limited to the above structure, for example, the position adjusting device 2 may also adopt a sliding table mechanism or a straight line module, so as to adjust the position of the receiving module 5 of the wireless charging system of the electric vehicle through the sliding table mechanism or the straight line module.

Referring to fig. 18 and 19, in some embodiments, the bottom plate 21 is provided with a plurality of bull-eye balls 26 for rolling and supporting the supporting plate 22, the plurality of bull-eye balls 26 are arranged on the bottom plate 21 at intervals, and the supporting plate 22 is supported on the plurality of bull-eye balls 26. Through adopting above-mentioned scheme, install a plurality of bull's eye balls 26 on bottom plate 21, backup pad 22 rolls through a plurality of bull's eye balls 26 and supports on bottom plate 21, reduces backup pad 22 and the friction that takes place with bottom plate 21 in the position process of adjustment emission module 4 for the relative position between the wireless charging system's of wireless charging system receiving module 5 and the wireless transmitting terminal that charges can accomplish fast, accurate location.

Referring to fig. 13 and 15, in some embodiments, the bottom plate 21 is a rotating plate, and the position adjustment apparatus 2 further includes a rotating structure 27 for rotatably supporting the rotating plate, the rotating structure 27 includes a rotating base 271, a deep groove ball bearing 272, a support disc 274 having one end rotatably mounted on the rotating base 271 via the deep groove ball bearing 272, and the other end fixed to the rotating base 273, and the rotating plate is supported and fixed on the support disc 274. By adopting the above scheme, set up bottom plate 21 into the rotor plate, the rotor plate passes through revolution mechanic 27 and rotates to be installed in the bottom of electric automobile wireless charging radiation emission test rack, can rotate the position of emission module 4 and adjust, thereby make emission module 4 can carry out the position adjustment at no dead angle, not only reduce the test degree of difficulty, still increase substantially test efficiency, can truly simulate the wireless practical application scene that charges of electric automobile, better adaptation electric automobile is at the test demand under different operating conditions.

Referring to fig. 15, in some embodiments, the first positioning assembly 23 includes two first positioning blocks 231 spaced along the X-axis direction and cooperating with each other to clamp the emission module 4 on the supporting plate 22, and two second positioning blocks 232 spaced along the Y-axis direction and cooperating with each other to clamp the emission module 4 on the supporting plate 22, each first positioning block 231 is slidably disposed on the supporting plate 22 along the X-axis direction, and each second positioning block 232 is slidably disposed on the supporting plate 22 along the Y-axis direction.

In some embodiments, the distance between the surface of the supporting plate 22 for supporting the transmitting module 4 and the ground is 10cm, so that the distance from the bottom or the bottom surface of the wireless charging transmitting coil of the transmitting module 4 to the ground is 10cm, the international standard requirement is met to the maximum extent, and the accuracy of the test is improved.

Referring to fig. 2 and 3, in some embodiments, a plurality of casters 13 are mounted on the bottom of the main frame 1 to facilitate moving the wireless charging radiation emission test bench of the electric vehicle. In one embodiment, the main body frame 1 includes two polygonal frames 11 spaced in parallel up and down and disposed oppositely, and a plurality of connecting columns 12 connecting corresponding corners of the two polygonal frames 11, and a plurality of casters 13 are mounted on the polygonal frame 11 at the bottom.

Referring to fig. 15, in some embodiments, each of the first clamping members 241 is slidably disposed on the bottom plate 21 along the first direction, each of the first clamping members 241 is provided with a third elongated hole 243 for fine adjustment of the position of the emitting module 4, each of the third elongated holes 243 extends along the first direction, and each of the third bolt members 242 is disposed in the corresponding third elongated hole 243. By adopting the above scheme, the sliding groove is formed in the bottom plate 21, and the sliding rail which is matched with the sliding groove to slide is arranged on the first clamping piece 241, so that each first clamping piece 241 can be arranged on the bottom plate 21 in a sliding manner along the first direction, and the stability and reliability of the movement adjustment of the first clamping piece 241 are enhanced. Moreover, each first clamping member 241 is provided with a third elongated hole 243 extending along the first direction, each third bolt 242 is inserted into the corresponding third elongated hole 243, the position of the launching module 4 can be finely adjusted through each third elongated hole 243, and when the launching module 4 is adjusted to the testing position, the two first clamping members 241 are respectively pressed and fixed on the bottom plate 21 through the third bolt 242.

Referring to fig. 16, in some embodiments, each of the first clamping members 241 is a first elongated clamping block with a length direction perpendicular to the first direction, and a second scale 28 for measuring a displacement of the emitting module 4 moving along the second direction is disposed on each of the first elongated clamping blocks. By adopting the above scheme, each first clamping piece 241 is set as the first strip-shaped clamping block with the length direction perpendicular to the first direction, and the second scale 28 for measuring the displacement of the emission module 4 moving along the second direction is arranged on each first strip-shaped clamping block, so that the position adjustment of the emission module 4 can be accurately controlled, and the test accuracy is improved.

Referring to fig. 15, in some embodiments, each second clamping member 251 is slidably disposed on the bottom plate 21 along the second direction, each second clamping member 251 is provided with a fourth elongated hole 253 for fine adjustment of the position of the transmitting module 4, each fourth elongated hole 253 extends along the second direction, and each fourth bolt 252 is inserted into the corresponding fourth elongated hole 253. By adopting the above scheme, the sliding groove is formed in the bottom plate 21, and the sliding rail which is matched with the sliding groove to slide is arranged on the second clamping member 251, so that each second clamping member 251 can be arranged on the bottom plate 21 along the second direction in a sliding manner, and the stability and reliability of the movement adjustment of the second clamping member 251 are enhanced. Moreover, each second clamping member 251 is provided with a fourth elongated hole 253 extending along the second direction, and each fourth bolt 252 is inserted into the corresponding fourth elongated hole 253, so that the position of the emission module 4 can be finely adjusted through each fourth elongated hole 253, and when the emission module 4 is adjusted to the test position, the two second clamping members 251 are respectively pressed and fixed on the bottom plate 21 through the fourth bolt 252.

Referring to fig. 17, in some embodiments, each of the second clamping members 251 is a second elongated clamping block with a length direction perpendicular to the second direction, and a third scale 29 for measuring a displacement of the emitting module 4 moving along the first direction is disposed on each of the second elongated clamping blocks. By adopting the above scheme, each second clamping member 251 is set to be a second strip-shaped clamping block with the length direction perpendicular to the second direction, and the third scale 29 for measuring the displacement of the emission module 4 moving along the first direction is arranged on each second strip-shaped clamping block, so that the position adjustment of the emission module 4 can be accurately controlled, and the test accuracy is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a pitch angle adjustment mechanism for in the electromagnetic compatibility test process of the wireless charging system of electric automobile, adjust the every single move angle of wireless charging system's receiving module, its characterized in that includes:

a first plate body;

the second plate body is spaced from and arranged opposite to the first plate body;

the middle plate body is arranged between the first plate body and the second plate body, the middle plate body and the first plate body are arranged at intervals and oppositely, and the middle plate body and the second plate body are arranged at intervals and oppositely;

the first hinge connecting piece comprises two first hinge supports arranged on the first plate body at intervals along the X-axis direction and two first pivots which are respectively and rotatably installed on the corresponding first hinge supports, and the middle plate body is respectively connected with the two first pivots so that the middle plate body can be rotatably installed on the first plate body around the first pivots;

the second hinge connecting piece comprises two second hinge supports arranged on the middle plate body at intervals along the Y-axis direction and two second pivot shafts respectively rotatably arranged on the corresponding second hinge supports, and the second plate body is respectively connected with the two second pivot shafts so as to be rotatably arranged on the middle plate body around the second pivot shafts;

the first positioning assembly is arranged on the first plate body and used for positioning the pitching angle of the middle plate body rotating around the first pivot;

the second positioning assembly is arranged on the middle plate body and used for positioning the pitching angle of the second plate body rotating around the second pivot; and

the pressing component is arranged on the second plate body and used for pressing and fixing the receiving module on one surface of the second plate body, which is far away from the middle plate body;

the X-axis direction is parallel to the horizontal direction, the Y-axis direction is parallel to the horizontal direction, and the Y-axis direction is perpendicular to the X-axis direction.

2. The pitch angle adjusting mechanism according to claim 1, wherein the first positioning assembly includes a first positioning bracket fixedly disposed on the first plate, and a first bolt member pressing and fixing the first positioning bracket against the intermediate plate, the first positioning bracket having a first elongated hole for positioning a pitch angle of the intermediate plate rotating about the first pivot, the first elongated hole extending along a Z-axis direction, the first bolt member being inserted into the first elongated hole, the Z-axis direction being perpendicular to a horizontal direction.

3. The pitch angle adjustment mechanism of claim 2, wherein said first positioning assemblies are provided in a number of four, two of said first positioning assemblies being positioned on either side of one of said first articulating brackets and two of said first positioning assemblies being positioned on either side of the other of said first articulating brackets.

4. The pitch angle adjusting mechanism according to claim 1, wherein the second positioning assembly includes a second positioning bracket fixedly disposed on the middle plate, and a second bolt member pressing and fixing the second positioning bracket to the second plate, the second positioning bracket is provided with a second elongated hole for positioning a pitch angle of the second plate rotating around the second pivot, the second elongated hole extends along a Z-axis direction, the second bolt member is inserted into the second elongated hole, and the Z-axis direction is perpendicular to a horizontal direction.

5. The pitch angle adjustment mechanism of claim 4, wherein the number of said second positioning assemblies is four, two of said second positioning assemblies being located on either side of one of said second articulating brackets and two of said second positioning assemblies being located on either side of the other of said second articulating brackets.

6. The pitch angle adjusting mechanism according to claim 1, wherein the pressing assembly includes two pressing strips disposed in parallel and at an interval on a surface of the second plate body facing away from the middle plate body and a plurality of screws for respectively pressing and fixing the pressing strips to the second plate body, and the middle plate body is correspondingly provided with an internal threaded hole for matching with the corresponding screw thread connection.

7. The pitch angle adjusting mechanism according to claim 1, further comprising a shielding plate disposed between the second plate and the receiving module for electromagnetic shielding, wherein the shielding plate is fixedly mounted on the second plate, and a surface of the shielding plate facing away from the second plate is configured to support the receiving module.

8. The pitch angle adjusting mechanism according to claim 7, further comprising a steel plate for simulating a body of an electric vehicle, the steel plate being disposed between the second plate and the shielding plate, the steel plate being fixedly connected to the second plate, and an area of the steel plate being larger than an area of the shielding plate.

9. The pitch angle adjusting mechanism according to any one of claims 1 to 8, wherein the first hinge connecting member further includes first connecting blocks for detachably connecting the corresponding first pivot shafts to the intermediate plate, respectively, each of the first connecting blocks being fixedly connected to the corresponding first pivot shaft, and each of the first connecting blocks being provided with a first engaging groove for engaging with a side edge of the intermediate plate; the second hinge connecting piece further comprises second connecting blocks which detachably connect the corresponding second pivot shafts with the middle plate body respectively, each second connecting block is fixedly connected with the corresponding second pivot shaft, and each second connecting block is provided with a second clamping groove for clamping the side edge of the middle plate body.

10. An electric vehicle wireless charging radiation emission test bench, characterized by comprising the pitch angle adjusting mechanism of any one of claims 1 to 9.

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