Electronic component shielding structure

By designing a combined structure of fixed plate, concave accommodation groove, conductive rubber shielding strip and shielding cover, the electromagnetic compatibility problem of electronic components in the aerospace field is solved, and an effective electromagnetic shielding effect is achieved.

CN223125200UActive Publication Date: 2025-07-18AVIC EAST CHINA OPTOELECTRONICS CO LTD
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Patent Information

Application Number
CN202422340393.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-07-18
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

Electronic components interfere with each other during operation, affecting performance and reliability. Especially in the fields of aviation and aerospace, there is a high requirement for electromagnetic compatibility and lack of effective shielding methods.

Method used

A shielding structure including a fixing plate, a concave accommodating groove, a conductive rubber shielding strip and a shielding cover overlapping each other is designed. A continuous conductor is formed by screw connection, and an aluminum alloy material with conductive oxidation is used to prevent electromagnetic interference.

Benefits of technology

It achieves good electromagnetic compatibility effect, protects electronic components from interference, and meets the electromagnetic compatibility requirements in the aerospace field.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electronic component shielding structure comprising a fixing plate used for installing and placing an electronic component; the concave containing groove is formed in one side of the fixing plate, and a conductive rubber shielding strip is placed in the concave containing groove; the first shielding case and the second shielding case are mutually lapped, the first shielding case and the second shielding case are connected with the fixed plate through screws, and the conductive rubber shielding strip is crimped at the intersection of the first shielding case and the second shielding case with the fixed plate, so that the problem that the electronic component is widely used due to functional diversification is solved. The utility model solves the technical problems that the existing electromagnetic shielding device has high electromagnetic compatibility requirements, but electronic components interfere with each other during working, so that the performance and reliability of the electronic components are influenced, especially in the fields of aviation and aerospace, and no good shielding piece is provided for electromagnetic shielding.
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Description

Technical Field

[0001] The utility model mainly relates to the technical field of electronic devices, and particularly relates to a shielding structure for electronic components. Background Art

[0002] In the field of electronic devices, electronic components are widely used due to their diverse functions. However, electronic components will interfere with each other during operation, affecting their performance and reliability. Especially in the fields of aviation and aerospace, the requirements for electromagnetic compatibility are very high. Therefore, it is urgent to propose a shielding method for electronic components to solve this problem.

[0003] It should be noted that the above content belongs to the technical cognition scope of the inventor. Due to the vast and complex technical content in this field, the above content of this application does not necessarily constitute the prior art. Content of the Utility Model

[0004] 1. Technical problems to be solved by the utility model:

[0005] The utility model provides a shielding structure for electronic components to solve the technical problems existing in the above background art.

[0006] 2. Technical solutions:

[0007] To achieve the above object, the technical solution provided by the utility model is: a shielding structure for electronic components, including

[0008] a fixing plate for installing and placing electronic components;

[0009] a concave accommodating groove provided on one side of the fixing plate and internally placed with a conductive rubber shielding strip;

[0010] a first shielding cover and a second shielding cover that overlap each other, the first shielding cover and the second shielding cover are connected to the fixing plate by screws, and the conductive rubber shielding strip is crimped at the intersection with the fixing plate.

[0011] When the device is working, the electronic components to be protected are placed in the middle of the fixing plate, then the conductive rubber shielding strip is assembled in the concave accommodating groove, and then the electronic components are wrapped by the first shielding cover and the second shielding cover and connected to the fixing plate by screws. After the connection is completed, the first shielding cover, the second shielding cover, the conductive rubber shielding strip and the fixing plate form good contact, so as to form a continuous conductor around the electronic components, achieving a good electromagnetic compatibility effect.

[0012] Further, first fixing ears are symmetrically provided on four sides of the fixing plate, and threaded grooves are formed on the first fixing ears, and the threaded grooves are detachably connected to the first shielding cover and the second shielding cover.

[0013] Furthermore, the fixing plate, the first shielding cover, and the second shielding cover are made of aluminum alloy with a conductive oxidation treatment on the surface.

[0014] Furthermore, the first shielding cover and the second shielding cover are provided with second fixing ears on three side surfaces. The first fixing ear and the second fixing ear are connected by screws. The first shielding cover is designed with a lapping plate on the side without a side wall, and the inner side of the lapping plate laps the second shielding cover.

[0015] Furthermore, connection grooves are formed on the first shielding cover and the second shielding cover.

[0016] 3. Beneficial effects:

[0017] Adopting the technical solution provided by the present utility model, compared with the prior art, the following beneficial effects are achieved:

[0018] The present utility model is reasonably designed, has a simple overall structure and convenient operation, has a good shielding effect, can effectively protect components from electromagnetic interference, and meets the electromagnetic compatibility requirements of components.

[0019] It should be noted that the structures not introduced in the present utility model are the same as the prior art or can be implemented by the prior art because they do not involve the design key points and improvement directions of the present utility model, and will not be elaborated herein. Description of the Drawings

[0020] Figure 1 is a schematic structural diagram of the present utility model;

[0021] Figure 2 is a schematic structural diagram when the present utility model is disassembled.

[0022] Reference Numerals:

[0023] 1. Fixing plate; 2. Concave accommodating groove; 3. Conductive rubber shielding strip; 4. First shielding cover; 5. Second shielding cover; 6. First fixing ear; 7. Second fixing ear; 8. Lapping plate; 9. Connection groove. Detailed Embodiments

[0024] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0026] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0027] In the present utility model, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected to", "fixed", "provided with", "provided in" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Embodiment

[0028] Referring to the attached Figure 1-2 , an electronic component shielding structure includes

[0029] a fixing plate 1 for installing and placing electronic components;

[0030] a concave accommodating groove 2 provided on one side of the fixing plate 1, with a conductive rubber shielding strip 3 placed inside;

[0031] a first shielding cover 4 and a second shielding cover 5 that overlap each other. The first shielding cover 4 and the second shielding cover 5 are connected to the fixing plate 1 by screws, and the conductive rubber shielding strip 3 is crimped at the intersection with the fixing plate 1.

[0032] When the device is working, place the electronic components to be protected in the middle of the fixing plate 1, then assemble the conductive rubber shielding strip 3 in the concave accommodating groove 2, and then wrap the electronic components with the first shielding cover 4 and the second shielding cover 5, and connect them to the fixing plate 1 through screws. After the connection is completed, the first shielding cover 4, the second shielding cover 5, the conductive rubber shielding strip 3 and the fixing plate 1 form good contact, so as to form a continuous conductor around the electronic components, achieving a good electromagnetic compatibility effect.

[0033] On the four sides of the fixing plate 1, first fixing ears 6 are symmetrically arranged respectively. Threaded grooves are formed in the first fixing ears 6, and the threaded grooves are detachably connected to the first shielding cover 4 and the second shielding cover 5. The first fixing ears 6 play a role in facilitating connection and provide mounting holes for the first shielding cover 4 and the second shielding cover 5.

[0034] The fixing plate 1, the first shielding cover 4 and the second shielding cover 5 are made of aluminum alloy with conductive oxidation treatment on the surface, which can prevent the interference of electromagnetic signals.

[0035] On the three side surfaces of the first shielding cover 4 and the second shielding cover 5, second fixing ears 7 are provided. The first fixing ears 6 and the second fixing ears 7 are connected by screws. On the side without a side wall of the first shielding cover 4, a lapping plate 8 is designed. The inner side of the lapping plate 8 lapps the second shielding cover 5. After the electronic components are placed on the fixing plate 1, first connect the second shielding cover to the fixing plate 1. After the lapping plate 8 of the first shielding cover 4 is lapped with the first shielding cover 4, connect it to the fixing plate 1 again, thereby forming a complete shielding cover.

[0036] Connection grooves 9 are formed in the first shielding cover 4 and the second shielding cover 5, and the connection grooves 9 facilitate the connection between the internal electronic components and other components.

[0037] The above embodiments only represent a certain implementation manner of the present utility model, and its description is relatively specific and detailed, but it should not be understood as a limitation to the scope of the patent of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model should be subject to the appended claims.

Claims

1. An electronic component shielding structure, characterized in that: including a fixing plate (1) for installing and placing electronic components; a concave accommodating groove (2) provided on one side of the fixing plate (1) and internally placing a conductive rubber shielding strip (3); a first shielding cover (4) and a second shielding cover (5) that overlap each other, the first shielding cover (4) and the second shielding cover (5) are connected to the fixing plate (1) by screws, and the conductive rubber shielding strip (3) is crimped at the intersection with the fixing plate (1).

2. The shielding structure of an electronic component according to claim 1, wherein: First fixing ears (6) are symmetrically provided on four sides of the fixing plate (1), threaded grooves are formed on the first fixing ears (6), and the threaded grooves are detachably connected to the first shielding cover (4) and the second shielding cover (5).

3. An electronic component shielding structure according to claim 1, characterized in that: The fixing plate (1), the first shielding cover (4), and the second shielding cover (5) are made of aluminum alloy with surface conductive oxidation treatment.

4. An electronic component shielding structure according to claim 2, characterized in that: Second fixing ears (7) are provided on three side surfaces of the first shielding cover (4) and the second shielding cover (5), the first fixing ears (6) and the second fixing ears (7) are connected by screws, a lapping plate (8) is designed on the side without a side wall of the first shielding cover (4), and the second shielding cover (5) is lapped on the inner side of the lapping plate (8).

5. An electronic component shielding structure according to claim 1, wherein: Connection grooves (9) are formed on the first shielding cover (4) and the second shielding cover (5).