CN212379495U - Electric automobile and battery charging outfit electromagnetic interference's test system - Google Patents

Electric automobile and battery charging outfit electromagnetic interference's test system Download PDF

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Publication number
CN212379495U
CN212379495U CN202020676486.1U CN202020676486U CN212379495U CN 212379495 U CN212379495 U CN 212379495U CN 202020676486 U CN202020676486 U CN 202020676486U CN 212379495 U CN212379495 U CN 212379495U
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adjusting rod
electromagnetic interference
test
testing
charging
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CN202020676486.1U
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Chinese (zh)
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胡建
徐枭
曹冬冬
刘桂彬
王学平
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China Automotive Technology and Research Center Co Ltd
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China Automotive Technology and Research Center Co Ltd
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Abstract

The utility model provides a system for testing electromagnetic interference of an electric automobile and charging equipment, which comprises a simulation device and a testing device; the simulation device comprises a test automobile and a charging device for charging the test automobile; the testing device comprises a receiving antenna, and the receiving antenna is arranged on an antenna bracket; the bottom of the testing device is also provided with a surrounding assembly, the surrounding assembly comprises an annular guide rail and a sliding table sliding on the annular guide rail, and the antenna support is arranged on the sliding table; the test car is arranged in the annular guide rail. A test system of electric automobile and battery charging outfit electromagnetic interference, through the position relation of adjustment receiving antenna and test vehicle, comprehensive and multi-angle aassessment electric automobile, battery charging outfit and supporting charging connection device are at the electromagnetic interference level of charging in-process, have optimized test system simultaneously, have reduced the test cost.

Description

Electric automobile and battery charging outfit electromagnetic interference's test system
Technical Field
The utility model belongs to electromagnetic compatibility test field especially relates to an electric automobile and battery charging outfit electromagnetic interference's test system.
Background
The electric vehicle conduction charging refers to a process that the charging equipment supplements electric energy to the electric vehicle through the charging connecting device. In the actual charging process of the electric automobile, the charging equipment, the charging connecting device and the electric automobile are in a high-voltage and high-current working state, at the moment, the conduction charging system can generate a strong electromagnetic interference signal, and the electromagnetic environment inside and outside the automobile, particularly the electromagnetic environment of a public power grid, is influenced in modes of radiation or conduction and the like. From the perspective of protecting the external electromagnetic environment, the existing test method cannot effectively evaluate the problem of electromagnetic interference of a conduction charging system.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an electric automobile and battery charging outfit electromagnetic interference's test system to comprehensive, objective, aassessment electric automobile conducts the battery charging outfit electromagnetic interference level in the actual charging process effectively, and effectively get rid of other equipment or factor to the influence of test result, provide a reduce test cost's electromagnetic interference's test system simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a test system for electromagnetic interference of an electric automobile and charging equipment comprises a simulation device and a test device;
the simulation device comprises a test automobile and a charging device for charging the test automobile;
the testing device comprises a receiving antenna, and the receiving antenna is arranged on an antenna bracket;
the bottom of the testing device is also provided with a surrounding assembly, the surrounding assembly comprises an annular guide rail and a sliding table sliding on the annular guide rail, and the antenna support is arranged on the sliding table;
the test car is arranged in the annular guide rail.
Further, the simulation device further comprises a charging connection assembly, and the charging equipment charges the test vehicle through the charging connection assembly.
Further, still include metal floor and shield cover, form test space between metal floor and the shield cover, testing arrangement and analogue means set up in test space.
Further, still include power supply, power supply installs in metal floor below, still be connected with artificial power source network between power supply and the battery charging outfit, artificial power source network sets up in the casing that shielding performance is good.
Furthermore, the testing device also comprises a receiver, the receiver is arranged outside the testing space, and the receiving antenna is connected with the receiver through a coaxial cable for signal transmission.
Furthermore, the antenna support comprises a vertical adjusting rod and a horizontal adjusting rod, the horizontal adjusting rod is arranged above the vertical adjusting rod, one end of the horizontal adjusting rod is provided with an antenna mounting seat for mounting a receiving antenna, and the other end of the horizontal adjusting rod is hinged to the top of the vertical adjusting rod.
The device further comprises an inclined adjusting rod, wherein two ends of the inclined adjusting rod are respectively hinged with the horizontal adjusting rod and the vertical adjusting rod;
the telescopic length of the tilt adjusting rod can be adjusted.
Furthermore, the horizontal adjusting rod, the vertical adjusting rod and the inclined adjusting rod are all provided with adjustable telescopic structures;
the telescopic structure comprises a telescopic rod and a sleeve rod corresponding to the telescopic rod, the telescopic rod is arranged in the sleeve rod, and a plurality of corresponding positioning holes are formed in the side surfaces of the telescopic rod and the sleeve rod.
Furthermore, the annular guide rail comprises two annular circular pipes, and the two annular circular pipes are arranged on the same horizontal plane;
and the bottom of the annular guide rail is also provided with a guide rail bracket for supporting the annular guide rail.
Further, the bottom of the sliding table is arranged on the annular guide rail through a pulley block;
the pulley block comprises an upper pulley and a lower pulley, and an annular circular pipe is arranged between the upper pulley and the lower pulley;
the pulley support frame that is used for fixed lower pulley still is equipped with below the lower pulley, be equipped with in the pulley support frame and press from both sides tight structure.
Compared with the prior art, an electric automobile and battery charging outfit electromagnetic interference's test system have following advantage:
(1) a test system of electric automobile and battery charging outfit electromagnetic interference, through the position relation of adjustment receiving antenna and test vehicle, comprehensive and multi-angle aassessment electric automobile, battery charging outfit and supporting charging connection device are at the electromagnetic interference level of charging in-process.
(2) A test system of electric automobile and battery charging outfit electromagnetic interference simplify test system, thereby reduced the test system and built the input during earlier stage and reduced the test cost.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a radiation emission testing system in an electromagnetic interference testing system for an electric vehicle and a charging device according to an embodiment of the present invention;
fig. 2 is a schematic view of a radiation emission testing system in an electromagnetic interference testing system of an electric vehicle and a charging device according to an embodiment of the present invention;
fig. 3 is a schematic view of an installation position of a testing system for electromagnetic interference of an electric vehicle and a charging device according to an embodiment of the present invention;
fig. 4 is a schematic view of an antenna bracket in a system for testing electromagnetic interference between an electric vehicle and a charging device according to an embodiment of the present invention;
fig. 5 is a schematic view of a pulley in a system for testing electromagnetic interference between an electric vehicle and a charging device according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a pin rod in a system for testing electromagnetic interference between an electric vehicle and a charging device according to an embodiment of the present invention.
Description of reference numerals:
1-testing the automobile; 2-a charging device; 3-a receiving antenna; 4-an antenna mount; 41-vertical adjusting rod; 42-horizontal adjusting rod; 43-tilt adjusting lever; 5-a ring-shaped guide rail; 6-a sliding table; 7-a charging connection assembly; 8-metal floor; 9-a shielding case; 10-a power supply; 11-artificial power network; 12-a receiver; 13-coaxial cable for signal transmission; 14-antenna mount.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 6, a system for testing electromagnetic interference of an electric vehicle and a charging device includes a simulation device and a testing device;
the simulation device comprises a test automobile 1 and a charging device 2 for charging the test automobile 1;
the testing device comprises a receiving antenna 3, wherein the receiving antenna 3 is arranged on an antenna bracket 4;
the bottom of the testing device is also provided with a surrounding assembly, the surrounding assembly comprises an annular guide rail 5 and a sliding table 6 sliding on the annular guide rail 5, and the antenna support 4 is installed on the sliding table 6;
the test car 1 is arranged in an endless guide track 5.
The simulation device further comprises a charging connecting assembly 7, and the charging equipment charges the test vehicle through the charging connecting assembly 7.
Still include metal floor 8 and shield cover 9, form test space between metal floor 8 and the shield cover 9, testing arrangement and analogue means set up in test space.
Still include power supply 10, power supply 10 installs in metal floor 8 below, still be connected with artificial power source network 11 between power supply 10 and the battery charging outfit, artificial power source network 11 sets up in the casing that shielding performance is good.
The testing device further comprises a receiver 12, the receiver 12 is arranged outside the testing space, and the receiving antenna 3 is connected with the receiver 12 through a coaxial cable 13 for signal transmission.
The antenna support 4 comprises a vertical adjusting rod 41 and a horizontal adjusting rod 42, the horizontal adjusting rod 42 is arranged above the vertical adjusting rod 41, one end of the horizontal adjusting rod 42 is provided with an antenna mounting seat 14 for mounting the receiving antenna 3, and the other end of the horizontal adjusting rod 42 is hinged with the top of the vertical adjusting rod 41;
the receiving antenna is arranged on the horizontal adjusting rod 42 through the antenna mounting seat 14, and one end of the horizontal adjusting rod 42, which is provided with the antenna mounting seat 14, faces the direction of the test automobile 1;
a locking assembly is further arranged between the horizontal adjusting rod 42 and the vertical adjusting rod 41, and when the horizontal adjusting rod 42 is vertically arranged, the angle of the horizontal adjusting rod 42 is locked through the locking assembly.
The device also comprises an inclined adjusting rod 43, wherein two ends of the inclined adjusting rod 43 are respectively hinged with the horizontal adjusting rod 42 and the vertical adjusting rod 41;
the telescopic length of the tilt adjusting rod 43 is adjustable.
The horizontal adjusting rod 42, the vertical adjusting rod 41 and the inclined adjusting rod 43 are all provided with adjustable telescopic structures, and the vertical adjusting rod 41 is used for adjusting;
the extending structure includes telescopic link and the loop bar that corresponds with the telescopic link, the telescopic link sets up in the loop bar, telescopic link and loop bar side surface are equipped with a plurality of locating holes that correspond, and telescopic link and loop bar include following condition: telescopic link and loop bar are the different hollow square pipes of bore, and the telescopic link setting is in the loop bar, and telescopic link and loop bar side surface are equipped with a plurality of locating holes that correspond, through inserting the pin rod in the locating hole realization fixed to telescopic link and loop bar relative position, the pin rod includes following condition: the two ends of the pin rod are limiting ends, the middle of each limiting end is a connecting end, the outer diameter of each limiting end is smaller than the inner diameter of each positioning hole, and the diameter of each connecting end is smaller than that of each limiting end.
The annular guide rail 5 comprises two annular round pipes which are arranged on the same horizontal plane;
and a guide rail bracket for supporting the annular guide rail 5 is also arranged at the bottom of the annular guide rail 5.
The bottom of the sliding table 6 is arranged on the annular guide rail 5 through a pulley block;
the pulley block comprises an upper pulley and a lower pulley, and an annular circular pipe is arranged between the upper pulley and the lower pulley;
a pulley support frame for fixing the lower pulley is further arranged below the lower pulley, and a clamping structure is arranged in the pulley support frame;
the upper pulley sets up in annular pipe top, and lower pulley setting includes following embodiment at annular pipe, presss from both sides tight structure: the clamping structure is connected with the pulley block through a spring below the lower pulley, the upper pulley, the lower pulley and the clamping structure are arranged to hold the annular circular tube tightly, and stable movement of the sliding table 6 on the annular guide rail 5 is guaranteed.
In the specific implementation process, the set height of the receiving antenna 3 is determined by adjusting the vertical adjusting rod 41 according to the difference of the test vehicles, then the distance between the receiving antenna 3 and the test vehicle is adjusted by adjusting the telescopic length of the horizontal adjusting rod 42, so that the receiving antenna 3 is positioned above the test vehicle or positioned at the side of the test vehicle, when the horizontal adjusting rod 42 and the vertical adjusting rod 41 are adjusted, the inclined adjusting rod 43 is in a state of adjustable length, and after the positions of the horizontal adjusting rod 42 and the vertical adjusting rod 41 are set, the inclined adjusting rod 43 is locked by the pin rod to fix the included angle between the horizontal adjusting rod 42 and the vertical adjusting rod 41.
In the specific implementation process, the charging equipment is connected through the charging connecting assembly 7 to provide electric energy for the test vehicle.
In the radiation emission test system, a receiver 12 is connected with a receiving antenna 3 through a coaxial cable 13 for signal transmission and is used for obtaining radiation interference formed by a tested system in a normal working state; in the conducted transmission test system, a receiver 12 is connected with a conducted interference voltage test port of an artificial power supply network 11 through a coaxial cable 13 for signal transmission, and is used for acquiring conducted interference formed on a power supply line of a tested system in a normal working state.
And installing an electromagnetic interference simulation device and an electromagnetic interference testing device. Wherein, except the receiver 12, other devices or equipments are placed in the shielding device; the power supply 10 is disposed under the metal floor 8.
And starting the charging equipment to provide required electric energy for the test vehicle.
The electromagnetic interference signals (radiated interference and conducted interference) formed by the test vehicle are acquired by the receiver 12.
As shown in fig. 1 and 2, the test vehicle is connected with the charging device through the charging connection assembly 7 to form an electromagnetic interference simulation apparatus, and the charging connection assembly 7 should be fixed on a support material with a low dielectric constant and a thickness of 50mm, and the support material is placed on a metal floor 8 which is well grounded. The power supply 10 is connected with the charging equipment through a power line and an artificial power network 11, and is used for providing electric energy for the electric automobile, and the artificial power network 11 is arranged in a shell with good shielding.
In the radiation emission test system, a receiver 12 is connected with a receiving antenna 3 through a signal transmission coaxial cable 13 and is used for acquiring radiation interference formed by an electromagnetic interference simulation device in a charging state.
In the conducted emission test system, a receiver 12 is connected with a conducted interference voltage test port of an artificial power supply network 11 through a coaxial cable 13 for signal transmission, and is used for acquiring conducted interference formed by an electromagnetic interference simulation device in a charging state, and the simulation device and the equipment mentioned by the test device use the prior art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an electric automobile and battery charging outfit electromagnetic interference's test system which characterized in that: comprises a simulation device and a test device;
the simulation device comprises a test automobile (1) and a charging device (2) for charging the test automobile (1);
the testing device comprises a receiving antenna (3) and a receiver (12), wherein the receiving antenna (3) is arranged on an antenna bracket (4), and the receiving antenna (3) is connected with the receiver (12) through a coaxial cable (13) for signal transmission;
the bottom of the testing device is also provided with a surrounding assembly, the surrounding assembly comprises an annular guide rail (5) and a sliding table (6) which slides on the annular guide rail (5), and the antenna support (4) is arranged on the sliding table (6);
the test car (1) is arranged in the annular guide rail (5).
2. The system for testing the electromagnetic interference of the electric automobile and the charging equipment according to claim 1, characterized in that: the simulation device further comprises a charging connecting assembly (7), and the charging equipment charges the test vehicle through the charging connecting assembly (7).
3. The system for testing the electromagnetic interference of the electric automobile and the charging equipment according to claim 1, characterized in that: still include metal floor (8) and shield cover (9), form test space between metal floor (8) and shield cover (9), testing arrangement and analogue means set up in test space.
4. The system for testing the electromagnetic interference of the electric automobile and the charging equipment according to claim 3, characterized in that: still include power supply (10), power supply (10) are installed in metal floor (8) below, still be connected with artificial power source network (11) between power supply (10) and the battery charging outfit, artificial power source network (11) set up in the casing that shielding performance is good.
5. The system for testing the electromagnetic interference of the electric automobile and the charging equipment according to claim 3, characterized in that: the receiver (12) is arranged outside the test space.
6. The system for testing the electromagnetic interference of the electric automobile and the charging equipment according to claim 1, characterized in that: the antenna support (4) comprises a vertical adjusting rod (41) and a horizontal adjusting rod (42), wherein the horizontal adjusting rod (42) is arranged above the vertical adjusting rod (41), one end of the horizontal adjusting rod (42) is provided with an antenna mounting seat (14) for mounting a receiving antenna (3), and the other end of the horizontal adjusting rod (42) is hinged to the top of the vertical adjusting rod (41).
7. The system for testing the electromagnetic interference of the electric automobile and the charging equipment according to claim 6, characterized in that: the device also comprises an inclined adjusting rod (43), wherein two ends of the inclined adjusting rod (43) are respectively hinged with the horizontal adjusting rod (42) and the vertical adjusting rod (41);
the telescopic length of the inclination adjusting rod (43) can be adjusted.
8. The system for testing electromagnetic interference of the electric automobile and the charging equipment according to claim 7, wherein: the horizontal adjusting rod (42), the vertical adjusting rod (41) and the inclined adjusting rod (43) are all provided with adjustable telescopic structures;
the telescopic structure comprises a telescopic rod and a sleeve rod corresponding to the telescopic rod, the telescopic rod is arranged in the sleeve rod, and a plurality of corresponding positioning holes are formed in the side surfaces of the telescopic rod and the sleeve rod.
9. The system for testing the electromagnetic interference of the electric automobile and the charging equipment according to claim 1, characterized in that: the annular guide rail (5) comprises two annular round pipes which are arranged on the same horizontal plane;
and a guide rail bracket for supporting the annular guide rail (5) is also arranged at the bottom of the annular guide rail (5).
10. The system for testing electromagnetic interference of the electric automobile and the charging equipment according to claim 9, wherein: the bottom of the sliding table (6) is arranged on the annular guide rail (5) through a pulley block;
the pulley block comprises an upper pulley and a lower pulley, and an annular circular pipe is arranged between the upper pulley and the lower pulley;
the pulley support frame that is used for fixed lower pulley still is equipped with below the lower pulley, be equipped with in the pulley support frame and press from both sides tight structure.
CN202020676486.1U 2020-04-28 2020-04-28 Electric automobile and battery charging outfit electromagnetic interference's test system Active CN212379495U (en)

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CN202020676486.1U CN212379495U (en) 2020-04-28 2020-04-28 Electric automobile and battery charging outfit electromagnetic interference's test system

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Application Number Priority Date Filing Date Title
CN202020676486.1U CN212379495U (en) 2020-04-28 2020-04-28 Electric automobile and battery charging outfit electromagnetic interference's test system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111474434A (en) * 2020-04-28 2020-07-31 中国汽车技术研究中心有限公司 System and method for testing electromagnetic interference of electric automobile and charging equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111474434A (en) * 2020-04-28 2020-07-31 中国汽车技术研究中心有限公司 System and method for testing electromagnetic interference of electric automobile and charging equipment

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