阅读说明：本技术 一种电磁干扰抑制装置 (Electromagnetic interference suppression device ) 是由 周军 李艾 王荣卿 于 2020-12-15 设计创作，主要内容包括：本发明公布了一种电磁干扰抑制装置,涉及车辆滤波技术领域,包括：两个相互独立的夹合部,两个所述夹合部之间形成不封闭的一容纳空间,所述容纳空间用于容纳两个磁芯和一铜排,且所述铜排位于两个所述磁芯之间并贯穿所述容纳空间,所述夹合部用于将多个所述磁芯固定在所述铜排上。本发明的技术方案的有益效果在于：能够在一个铜排上设置多个磁芯,夹合部的大小与磁芯的大小差不多,对安装空间的大小没有较大的要求,十分实用；夹合部使用塑料材质且在两个磁芯间设置绝缘片,能够有效地抑制降低电磁干扰,降低对无线电通讯信号影响,使得汽车在正常工作时的电磁干扰达到汽车国际标准CISPR25及国家标准GB/T18655要求,从而保护无线电通讯。(The invention discloses an electromagnetic interference suppression device, which relates to the technical field of vehicle filtering and comprises the following components: two mutually independent clamping parts, two form a not confined accommodation space between the clamping part, accommodation space is used for holding two magnetic cores and a copper bar, just the copper bar is located two between the magnetic core and run through accommodation space, clamping part is used for fixing a plurality of the magnetic core is in on the copper bar. The technical scheme of the invention has the beneficial effects that: a plurality of magnetic cores can be arranged on one copper bar, the size of the clamping part is similar to that of the magnetic cores, and the requirement on the size of the installation space is not large, so that the copper bar is very practical; the clamping part is made of plastic materials, and the insulating sheet is arranged between the two magnetic cores, so that electromagnetic interference can be effectively inhibited and reduced, the influence on radio communication signals is reduced, the electromagnetic interference of the automobile in normal operation can meet the requirements of the automobile international standard CISPR25 and the national standard GB/T18655, and radio communication is protected.)

1. An electromagnetic interference suppression device is suitable for a new energy automobile; the filter is characterized by comprising at least one magnetic core structure, wherein the magnetic core structure is arranged at different positions of a copper bar so as to form a filter structure;

each of the magnetic core structures specifically includes:

the two mutually independent clamping parts are clamped on the copper bar, and an accommodating space is formed between the two clamping parts;

and the two mutually independent magnetic cores are arranged in the accommodating space and clamped on the copper bar.

2. The EMI suppression device as claimed in claim 1, wherein each of said clamping portions has a snap fastener disposed on one side thereof, and a snap positioning member disposed on the other side thereof, said snap fasteners and said snap positioning members being adapted to be correspondingly engaged with said snap fasteners and said snap positioning members of the other of said clamping portions to form said receiving space.

3. The EMI suppression device as claimed in claim 2, wherein said snap detent has a hollow rectangular configuration for engaging said snap fastener of another of said clips to effect connection of said two clips.

4. The electromagnetic interference suppression device according to claim 3, wherein a plurality of second notches are disposed on the copper bar, the positions of the second notches correspond to the positions of the hollow rectangular structures of the snap positioning members of the two clamping portions one by one, and the second notches are used for being embedded into the hollow rectangular structures to fix the two clamping portions.

5. The EMI suppression device as claimed in claim 1, wherein a surface of said clamping portion adjacent to said receiving space is recessed to form a recess, and a plurality of resilient tabs are uniformly disposed at a bottom of said recess to increase elasticity of said clamping portion.

6. The EMI suppression device as claimed in claim 5, wherein a protrusion is disposed on a surface of each of said resilient plates facing said receiving space for preventing said magnetic core from sliding.

7. The EMI suppression device as claimed in claim 5, wherein a plurality of guide protrusions are uniformly formed on an inner sidewall of said recess, said guide protrusions being configured to fix said cores at a central position of said housing space and align two of said cores in said housing space.

8. The EMI suppression device as claimed in claim 5, wherein each of two side surfaces of said groove is provided with a first notch, and when said clamping portion is connected to another clamping portion, said first notch forms said non-closed receiving space, and said first notch is used for providing a gap for said copper bar to penetrate through said receiving space.

9. The electromagnetic interference suppression device according to claim 1, further comprising:

and the insulation sheet is arranged between the two magnetic cores so that the two magnetic cores are mutually insulated.

Technical Field

The invention relates to the technical field of vehicle filtering, in particular to an electromagnetic interference suppression device.

Background

When the automobile normally works, certain electromagnetic interference can be generated among a plurality of power utilization parts in the motor, and the electromagnetic interference can directly influence the current of the copper bar in the inductor. With the continuous development of vehicle technology, the requirements of people on the high-voltage filter assembly for the vehicle are continuously improved, the traditional high-voltage filter assembly has large voltage fluctuation of the voltage at the power receiving end and high power loss of a line, and the requirements of people at present cannot be met.

In prior art, can produce electromagnetic radiation to the direct current copper bar of motor for reducing the power consumption part, generally can connect direct current bus electric capacity in the copper bar, however, direct current bus electric capacity's structure is comparatively complicated, need carry out whole modification to direct current bus electric capacity at the electromagnetic interference debugging in-process to the direct current copper bar, and the operation of debugging is very complicated, direct current bus electric capacity reduces electromagnetic interference's effect very limited again, consequently, the urgent need for a reduction electromagnetic interference's that the practicality is high scheme.

Disclosure of Invention

In view of the problems in the prior art, an electromagnetic interference suppression device is provided to easily satisfy the requirement of a large inductance of an inductor in a filter device.

The technical scheme specifically comprises the following steps:

an electromagnetic interference suppression device is suitable for a new energy automobile; the filter is characterized by comprising at least one magnetic core structure, wherein the magnetic core structure is arranged at different positions of a copper bar so as to form a filter structure;

each of the magnetic core structures specifically includes:

the two mutually independent clamping parts are clamped on the copper bar, and an accommodating space is formed between the two clamping parts;

and the two mutually independent magnetic cores are arranged in the accommodating space and clamped on the copper bar.

Preferably, a buckle fastener is arranged on one side of each clamping portion, a buckle positioning piece is arranged on the other side of each clamping portion, and the buckle fastener and the buckle positioning piece are used for being correspondingly clamped with the buckle fastener and the buckle positioning piece of the other clamping portion to form the accommodating space.

Preferably, the snap positioning element has a hollow rectangular structure, and the hollow rectangular structure is used for embedding the snap fastener of the other clamping part to realize the connection of the two clamping parts.

Preferably, a plurality of second gaps are arranged on the copper bar, the positions of the second gaps correspond to the positions of the hollow rectangular structures of the buckle positioning pieces of the two clamping parts one by one, and the second gaps are used for being embedded into the hollow rectangular structures to fix the two clamping parts.

Preferably, one surface of the clamping portion, which is close to the accommodating space, is recessed inwards to form a groove, and a plurality of elastic sheets are uniformly arranged at the bottom of the groove and used for increasing the elasticity of the clamping portion.

Preferably, a protruding bag is arranged on one surface, facing the accommodating space, of each elastic sheet and used for preventing the magnetic core from sliding.

Preferably, a plurality of guide protrusions are uniformly arranged on the inner side wall of the groove, and the guide protrusions are used for fixing the magnetic cores at the center of the accommodating space and aligning the two magnetic cores in the accommodating space.

Preferably, two side faces of the groove are respectively provided with a first notch, when the clamping portion is connected with the other clamping portion, the non-closed accommodating space is formed through the first notch, and the first notch is used for providing a gap for the copper bar to penetrate through the accommodating space.

Preferably, the method further comprises the following steps:

and the insulation sheet is arranged between the two magnetic cores so that the two magnetic cores are mutually insulated.

The technical scheme of the invention has the beneficial effects that: a plurality of magnetic cores can be arranged on one copper bar, the size of the clamping part is similar to that of the magnetic cores, and the requirement on the size of the installation space is not large, so that the copper bar is very practical; the clamping part is made of plastic materials, and the insulating sheet is arranged between the two magnetic cores, so that electromagnetic interference can be effectively inhibited and reduced, the influence on radio communication signals is reduced, the electromagnetic interference of the automobile in normal operation can meet the requirements of the automobile international standard CISPR25 and the national standard GB/T18655, and radio communication is protected.

Drawings

Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and not as restrictive of the scope of the invention.

Fig. 1 is a schematic structural diagram of an electromagnetic interference suppression apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a spring plate structure of an electromagnetic interference suppression device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

The invention provides an electromagnetic interference suppression device, which is suitable for a new energy automobile and comprises at least one magnetic core structure, a plurality of electromagnetic interference suppression devices and a plurality of electromagnetic interference suppression devices, wherein the magnetic core structure is arranged at different positions of a copper bar 3 so as to form a filter structure;

each of the magnetic core structures specifically includes:

the copper bar clamping device comprises two mutually independent clamping parts 1, wherein the two clamping parts 1 are clamped on a copper bar 3, and an accommodating space is formed between the two clamping parts 1;

two mutually independent magnetic cores 2 are arranged in the accommodating space and clamped on the copper bar 3.

Specifically, the clamping part 1 is made of plastic.

Specifically, one side of each clamping portion 1 is provided with a snap fastener 11, the other side of each clamping portion 1 is provided with a snap positioning piece 12, and the snap fasteners 11 and the snap positioning pieces 12 are correspondingly clamped with the snap fasteners 11 and the snap positioning pieces 12 of the other clamping portion 1 to form the accommodating space.

Specifically, the snap-fit retainer 12 has a hollow rectangular structure 121, and the hollow rectangular structure 121 is used for embedding the snap fastener 11 of the other clamping part 1 to realize the connection of the two clamping parts 1.

Specifically, a plurality of second notches 31 are formed in the copper bar 3, the positions of the second notches 31 correspond to the positions of the hollow rectangular structures 121 of the snap positioning members 12 of the two clamping portions 1 one by one, and the second notches 31 are used for being embedded into the hollow rectangular structures 121 to fix the two clamping portions 1.

Specifically, the clamping part 1 is close to one side of the accommodating space and is inwards sunken to form a groove, and a plurality of elastic sheets 13 are uniformly arranged at the bottom of the groove and used for increasing the elasticity of the clamping part 1.

Specifically, the thickness of the elastic sheet 13 is 0.3mm to 1.0 mm.

Specifically, as shown in fig. 2, a protruding bag 131 is disposed on a surface of each elastic sheet 13 facing the accommodating space, for preventing the magnetic core 2 from sliding.

Specifically, the height of the convex packet 131 is 0.1mm to 1.0 mm.

Specifically, a plurality of guide protrusions 14 are uniformly arranged on the inner side wall of the groove, and the guide protrusions 14 are used for fixing the magnetic cores 2 in the central position of the accommodating space and aligning the two magnetic cores 2 in the accommodating space.

Specifically, two sides of the groove are respectively provided with a first notch 15, when the clamping part 1 is connected with another clamping part 1, the first notch 15 forms a non-closed accommodating space, and the first notch 15 is used for providing a gap for the copper bar 3 to penetrate through the accommodating space.

Specifically, the thickness of the copper bar 3 is 0.1mm-2 mm.

Specifically, the width of the rectangular side of the hollow rectangular structure 121 exactly matches the width of the second notch 31.

Specifically, two magnetic cores 2 are respectively installed in the grooves of the two clamping parts 1, and then the positions of the second notch 31 on the copper bar 3 and the hollow rectangular structures 121 in the two clamping parts 1 are aligned and the hollow rectangular structures 121 are embedded into the second notch 31, so that the two clamping parts are fixed on the copper bar 3.

Specifically, still include:

and an insulation sheet 4 disposed between the two magnetic cores 2 to insulate the two magnetic cores 2 from each other.

The technical scheme of the invention has the beneficial effects that: a plurality of magnetic cores can be arranged on one copper bar, the size of the clamping part is similar to that of the magnetic cores, and the requirement on the size of the installation space is not large, so that the copper bar is very practical; the clamping part is made of plastic materials, and the insulating sheet is arranged between the two magnetic cores, so that electromagnetic interference can be effectively inhibited and reduced, the influence on radio communication signals is reduced, the electromagnetic interference of the automobile in normal operation can meet the requirements of the automobile international standard CISPR25 and the national standard GB/T18655, and radio communication is protected.

While the invention has been described with reference to a preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiment, but is intended to cover various modifications, equivalents and obvious changes which may be made therein by those skilled in the art.