Automobile filter

Abstract

The utility model relates to the field of automobile filtering, and particularly discloses an automobile filter which comprises a copper bar, a support and an injection molding shell, an empty space is formed in the copper bar, a plurality of first supporting protrusions are arranged on the upper side wall and / or the lower side wall of the empty space, and the support is arranged in the empty space, makes contact with the first supporting protrusions and extends outwards. A plurality of first supporting protrusions are arranged on the empty space and the periphery of the copper bar, a plurality of second supporting protrusions are arranged on the periphery of the outer side of the copper bar, the injection molding shell is arranged outside the copper bar provided with the support in an injection molding mode, compared with the prior art, the copper bar has high practicability, the first supporting protrusions and the second supporting protrusions are arranged on the empty space and the periphery of the copper bar respectively, and the support is arranged to pre-assemble the copper bar. The copper bar is enveloped and supported in all directions, so that insufficient creepage distance and poor insulation caused by local deviation or deformation of the copper bar due to the injection molding pressure problem in the injection molding process are avoided, and the use value is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile filter, especially to a kind of automobile filter. BACKGROUND

[0002] With the rapid development of automobile industry, more and more electronic devices are equipped in automobiles, and electronic systems are more and more complex, and the requirement of EMC (Electromagnetic Magnetic Compatibility) is also higher and higher.

[0003] In the automobile, some important automobile components, such as the driver, controller and battery pack in the electric drive system, need to be treated with EMC, and therefore a special automobile filter needs to be configured for the automobile to filter out specific frequency signals, improve the signal interference immunity and signal-to-noise ratio, and reduce electromagnetic interference.

[0004] In the injection molding production of automobile filter, the spacing of copper bar and the certain glue thickness are crucial to the performance, and in the past production, the mold pin and the slider are used for partition support, but because of the space limitation of mold structure, the fixing of copper bar is not comprehensive, which may cause the copper bar to deviate or deform locally due to the injection pressure problem in the injection molding process, and the creepage distance is not enough, and the insulation is poor, in order to solve the problem, the application discloses an automobile filter. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the prior art, the utility model discloses an automobile filter.

[0006] In order to achieve the above purpose, the utility model takes the technical scheme that an automobile filter includes a copper bar, a support and an injection molding shell, an overhead layer is formed in the copper bar, a plurality of first support protrusions are arranged on the upper side wall and / or the lower side wall of the overhead layer, the support is arranged in the overhead layer and in contact with the plurality of first support protrusions and extends outward, a plurality of second support protrusions are arranged on the outer circumferential surface of the copper bar, and the injection molding shell is arranged outside the copper bar with the support.

[0007] Further preferably, the first support protrusion is a round protrusion structure or a rectangular protrusion structure.

[0008] Further preferably, the second support protrusion is an elliptical protrusion structure.

[0009] Further preferably, three overhead layers are arranged in the copper bar, and three supports are arranged correspondingly.

[0010] Further preferably, the plurality of first support protrusions arranged on the upper side wall and / or the lower side wall of the overhead layer are arranged in a straight line. Further preferably, the plurality of first support protrusions arranged on the upper side wall and / or the lower side wall of the overhead layer are arranged in a straight line.

[0011] Further preferably, the first support protrusions are arranged on the upper sidewall and the lower sidewall of the overhead layer in the middle of the copper bar, the first support protrusions are arranged on the lower sidewall of the overhead layer above the copper bar, and the first support protrusions are arranged on the upper sidewall of the overhead layer below the copper bar.

[0012] The utility model realizes following beneficial effect:

[0013] The application is pre-assembled by arranging the first support protrusions and the second support protrusions on the overhead layer and the outer periphery of the copper bar and arranging the support, and the copper bar is supported in all directions, so that the copper bar will not be locally deviated or deformed due to the injection pressure in the injection process, and the creepage distance is not enough, the insulation is poor, and the use value is high.

[0014] Other features and advantages of the present utility model will be set forth in the following description, and become apparent with reference to the drawings, or will be appreciated by those skilled in the art upon reading the foregoing description. The objects and other advantages of the present utility model can be realized and obtained by the structure indicated in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings incorporated into the specification and forming a part thereof, illustrate embodiments consistent with the present utility model disclosure, and together with the description, serve to explain the principles of the present disclosure.

[0016] Figure 1 It is the whole structure schematic diagram disclosed by the utility model;

[0017] Figure 2 It is the support and copper bar pre-assembly structure schematic diagram disclosed by the utility model;

[0018] Figure 3 It is the copper bar structure schematic diagram disclosed by the utility model;

[0019] In the drawing: 10, copper bar;11, overhead layer;111, first support protrusion;12, second support protrusion;20, support;30, injection shell. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all the embodiments.

[0021] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] Embodiment

[0023] In order to solve the problem of the space limitation of the mold structure in the prior art filter injection molding, the fixing of the copper bar 10 is not comprehensive, and the copper bar 10 may be partially deviated or deformed due to the injection molding pressure problem in the injection molding process, which causes insufficient creepage distance, poor insulation and other problems, with reference to Figure 1 and Figure 2 The utility model discloses a kind of automobile filters, including copper bar 10, support 20 and injection molding shell 30, the inside of copper bar 10 is formed with overhead layer 11, the upper side wall and / or lower side wall of overhead layer 11 is equipped with a plurality of first support protrusions 111, specifically, a plurality of first support protrusions 111 on the upper side wall and / or lower side wall of overhead layer 11 is arranged in straight line, support 20 is in overhead layer 11 and is in contact with a plurality of first support protrusions 111 and extends outward, the outer side of copper bar 10 is equipped with a plurality of second support protrusions 12, injection molding shell 30 injection molding is equipped in the outside of copper bar 10 with support 20.

[0024] Based on the above structure, by being equipped with first support protrusion 111 and second support protrusion 12 in the overhead layer 11 and the outer periphery of copper bar 10 respectively and setting support 20 to pre-assemble copper bar 10, copper bar 10 is supported comprehensively, so that copper bar 10 will not be partially deviated or deformed due to injection molding pressure problem in the injection molding process, which causes insufficient creepage distance, poor insulation.

[0025] The first support protrusion 111 of the application can be a round protrusion structure or a rectangular protrusion structure, and the second support protrusion 12 can also be an elliptical protrusion structure.

[0026] Specifically, three overhead layers 11 are provided in the copper bar 10 of the application, and three supports 20 are provided correspondingly, and a plurality of first support protrusions 111 are provided on the upper side wall and the lower side wall of the overhead layer 11 in the middle of the copper bar 10, a plurality of first support protrusions 111 are provided on the lower side wall of the overhead layer 11 above the copper bar 10, and a plurality of first support protrusions 111 are provided on the upper side wall of the overhead layer 11 below the copper bar 10, so that the three supports 20 can comprehensively envelope the copper bar 10, and the copper bar 10 will not be partially deviated in the injection molding process.

[0027] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable the person skilled in the art to understand the content of the utility model and to implement, and cannot limit the protection scope of the utility model. Any equivalent transformation or modification according to the spirit and essence of the utility model should be covered within the protection scope of the utility model.

Claims

1. An automotive filter, characterized in that: The invention comprises a copper busbar (10), a bracket (20) and an injection-molded shell (30); an overhead layer (11) is formed inside the copper busbar (10); the upper side wall and / or the lower side wall of the overhead layer (11) are provided with a plurality of first supporting protrusions (111); the bracket (20) is arranged in the overhead layer (11) and contacts the plurality of first supporting protrusions (111) and extends outward; a plurality of second supporting protrusions (12) are provided on the outer periphery of the copper busbar (10); and the injection-molded shell (30) is injection-molded outside the copper busbar (10) on which the bracket (20) is installed.

2. The automotive filter according to claim 1, characterized in that: The first supporting protrusion (111) is a circular protrusion structure or a rectangular protrusion structure.

3. The automotive filter according to claim 1, characterized in that: The second supporting protrusion (12) is an elliptical protrusion structure.

4. The automotive filter according to claim 1, characterized in that: There are three overhead layers (11) in the copper busbar (10), and the number of the brackets (20) is correspondingly three.

5. The automobile filter according to claim 1, characterized in that: A plurality of first supporting protrusions (111) provided on the upper side wall and / or the lower side wall of the overhead layer (11) are arranged in a straight line.

6. The automobile filter according to claim 5, characterized in that: A plurality of first supporting protrusions (111) are provided on the upper side wall and the lower side wall of the overhead layer (11) in the middle of the copper busbar (10), a plurality of first supporting protrusions (111) are provided on the lower side wall of the overhead layer (11) above the copper busbar (10), and a plurality of first supporting protrusions (111) are provided on the upper side wall of the overhead layer (11) below the copper busbar (10).

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