Composite electromagnetic shielding material
By employing a multi-layered structure and reinforced design of composite electromagnetic shielding materials, the delamination problem of shielding materials under bending and thermal effects is solved, achieving higher connection strength and safety.
Patent Information
- Application Number
- CN202422723171.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-08
AI Technical Summary
Existing shielding materials are prone to delamination when bent and are subject to material modification due to heat from equipment, affecting safety and stability during use.
It adopts a composite structure of substrate layer, conductive layer, absorption layer, protective layer and insulating layer. The substrate layer has tapered reinforcement holes on the surface and pull tabs on the lower surface to enhance connection strength and stability.
It effectively suppresses electromagnetic wave propagation, improves the connection strength between the conductive layer and the substrate layer, prevents the insulating layer from separating from the substrate layer, and enhances safety in use.
Smart Images
Figure CN223613723U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a shielding material technical field, concretely is a kind of composite electromagnetic shielding material. BACKGROUND
[0002] Electromagnetic shielding materials are materials used to block or attenuate the transmission of electromagnetic waves, such as electromagnetic interference, wireless signals, etc. They play an important role in various applications, especially in electronic devices, communication equipment and industrial fields. Electromagnetic shielding materials play an important role in modern society, and with the development of electronic devices and communication technology, their demand is also increasing.
[0003] At present, some large electrical equipment needs to use large-area shielding plate for bending processing when carrying out electromagnetic shielding, so as to wrap the electrical equipment. However, the existing shielding material directly coats the composite layer on the surface of the substrate, which causes delamination and falling off during bending processing. Moreover, the heat energy from the electrical equipment during operation can cause modification of the composite layer, affecting the safety and stability of the shielding material. Therefore, a composite electromagnetic shielding material is proposed. SUMMARY
[0004] (I) Technical problems solved
[0005] To solve the problems of existing shielding materials, the utility model provides a composite electromagnetic shielding material, which solves the problems of delamination and modification of the material caused by the heat from the equipment during operation. The utility model uses a substrate layer, a conductive layer, an absorbing layer, a protective layer and an insulating layer to form an electromagnetic shielding material. The characteristics of different materials are used to absorb and guide electromagnetic waves, effectively suppressing the propagation of electromagnetic waves. The surface of the substrate layer is provided with a tapered reinforcing hole to improve the connection strength between the conductive layer and the substrate layer. The lower surface of the substrate layer is provided with a pull buckle with a reinforcing groove to enhance the stability of the connection between the insulating layer and the substrate layer, prevent the separation of the insulating layer and the substrate layer, and improve the safety in use.
[0006] (II) Technical solutions
[0007] In order to achieve the above object, the utility model discloses a kind of composite electromagnetic shielding materials, including substrate layer, conducting layer, absorption layer, protective layer and insulating layer, the upper surface of the substrate layer is equipped with the conducting layer of uniform coverage, the surface of the conducting layer is equipped with absorption layer, the surface of the absorption layer is coated with protective layer, the lower surface of the substrate layer is equipped with insulating layer, the surface of the substrate layer is equipped with several reinforcing holes, the reinforcing hole is tapered distribution, the lower surface of the substrate layer is also equipped with the protruding pull buckle, the both sides surface of the pull buckle is equipped with reinforcing groove respectively.
[0008] As a further preferred mode of the utility model, the conducting layer is evenly covered on the surface of the substrate layer by using conductive glue or conductive paint.
[0009] As a further preferred mode of the utility model, the absorption layer uses one of iron oxide, carbon-based material or polymeric composite material.
[0010] As a further preferred mode of the utility model, the pull buckle is integrally stamped with the substrate layer, and the lower surface of the pull buckle is provided with a protruding stamping groove.
[0011] As a further preferred mode of the utility model, the substrate layer is made of metal material, and the insulating layer is covered on the surface of the substrate layer by using silicone rubber material.
[0012] (Three) beneficial effects
[0013] The utility model provides a kind of composite electromagnetic shielding materials.It has the following beneficial effects:
[0014] The utility model utilizes substrate layer, conducting layer, absorption layer, protective layer and insulating layer to form electromagnetic shielding material, utilizes the characteristics of different materials to absorb and guide electromagnetic wave, so as to effectively inhibit the propagation of electromagnetic wave, by the reinforcing hole of tapered distribution being opened on the surface of substrate layer, the connection strength between conducting layer and substrate layer is improved, by the pull buckle with reinforcing groove being equipped on the lower surface of substrate layer, the stability of the connection between insulating layer and substrate layer is enhanced, to avoid the separation of insulating layer and substrate layer, improve the security of use. ACCURACY OF DRAWINGS
[0015] Fig. 1 It is the structure schematic drawing of the utility model composite electromagnetic shielding material whole;
[0016] Fig. 2 It is the structure schematic drawing of the utility model composite electromagnetic shielding material side section;
[0017] Fig. 3 It is the structure schematic drawing of the utility model substrate layer.
[0018] In the figure: substrate layer-1, conductive layer-2, absorption layer-3, protective layer-4, insulation layer-5, reinforcing hole-6, pull buckle-7, reinforcing groove-8, stamping groove-9. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] Please refer to Figs. 1-3 The technical scheme provided by the embodiments of the present application is as follows: a composite electromagnetic shielding material, comprising a substrate layer 1, a conductive layer 2, an absorption layer 3, a protective layer 4, and an insulation layer 5, wherein the upper surface of the substrate layer 1 is uniformly covered with the conductive layer 2, the surface of the conductive layer 2 is provided with the absorption layer 3, the surface of the absorption layer 3 is coated with the protective layer 4, the lower surface of the substrate layer 1 is provided with the insulation layer 5, the surface of the substrate layer 1 is provided with a plurality of reinforcing holes 6, the reinforcing holes 6 are distributed in a conical shape, the lower surface of the substrate layer 1 is further provided with a protruding pull buckle 7, and the two side surfaces of the pull buckle 7 are respectively provided with reinforcing grooves 8.
[0021] Further improvement, the conductive layer 2 is uniformly covered on the surface of the substrate layer 1 by using conductive glue or conductive paint, which facilitates the cooperation of the substrate layer 1 surface conical distribution reinforcing hole 6, improves the connection strength of the conductive layer 2 and the surface of the substrate layer 1, and improves the conductivity of the shielding material, avoiding the aggregation of electromagnetic waves on the surface of the shielding material.
[0022] Further improvement, the absorption layer 3 uses one of iron oxide, carbon-based material or polymeric composite material, which absorbs electromagnetic waves by using the absorption layer 3, reduces the reflection of electromagnetic waves, and improves the shielding efficiency of electromagnetic waves.
[0023] Further improvement, the pull buckle 7 is integrally stamped with the substrate layer 1, and the lower surface of the pull buckle 7 is provided with a protruding stamping groove 9, which improves the structural stability of the pull buckle 7 and avoids the deformation of the pull buckle 7 during the stress process, thereby preventing the insulation layer 5 from falling off.
[0024] Specifically improved, the substrate layer 1 is made of a metal material, and the insulating layer 5 is covered on the surface of the substrate layer 1 by a silicone rubber material, by adopting the metal material to make the substrate layer 1, the shielding material is conveniently bent and formed, the universality of adapting to different size equipment is improved, by adopting the silicone rubber to make the insulating layer 5, the insulation effect is facilitated, the equipment is avoided to cause short circuit in use, and meanwhile, heat can be effectively insulated, so that the shielding material is avoided to be modified due to excessively high temperature.
[0025] The utility model discloses in the production, the surface stamping of substrate layer 1 sets up reinforcing hole 6 and pull buckle 7, then in substrate layer 1's surface coating conductive layer 2, absorption layer 3 and protection layer 4 in proper order, utilize the connecting strength of reinforcing hole 6 of conical of substrate layer 1 between conductive layer 2 and 1 is improved, avoid the shielding material and fall off, separate in use, finally in substrate layer 1's lower surface fills insulating layer 5, utilize the pull buckle 7 of substrate layer 1 lower surface with reinforcing groove 8 to the insulating layer 5 is reinforced, avoid the insulating layer 5 and fall off, improve the security of shielding material use.
[0026] The utility model discloses solve some large -scale electrical equipment when electromagnetic shielding, need use large area shielding board material to bend and process to the electrical equipment is wrapped up, but, the shielding material of existing because directly compound layer is coated on the surface of substrate, cause when bending and processing, easy to have the phenomenon of delamination, fall off, and the heat energy in electrical equipment work is transferred to the shielding material and is easy to cause compound layer to modify, influence the security and stability of shielding material use, the utility model utilizes substrate layer 1, conductive layer 2, absorption layer 3, protection layer 4 and insulating layer 5 and form electromagnetic shielding material, utilize the characteristic of different material and carry out absorption, guide to electromagnetic wave, to effectively restrain the spread of electromagnetic wave, through the surface of substrate layer 1 sets up reinforcing hole 6 of conical distribution, improve the connecting strength between conductive layer 2 and substrate layer 1, through the lower surface of substrate layer 1 is equipped with the pull buckle 7 with reinforcing groove 8, strengthen the stability between insulating layer 5 and substrate layer 1 connection, avoid the separation of insulating layer 5 and substrate layer 1, improve the security of use.
[0027] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model.
[0028] In addition, the terms "first", "second", "third", "fourth" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implying a number of the indicated technical features, so the features with "first", "second", "third", "fourth" can be explicitly or implicitly include at least one of the features.
[0029] In the utility model, unless another explicit provision and limitation, the terms "installation", "arrangement", "connection", "fix", "screw" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication or the interaction relationship of two elements of two elements inside, unless another explicit limitation, for the ordinary skilled person in the art, can understand the specific meaning of the above terms in the utility model according to the specific circumstances.
[0030] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A composite electromagnetic shielding material comprising a substrate layer (1), an electrically conductive layer (2), an absorbing layer (3), a protective layer (4) and an insulating layer (5), characterized in that: The upper surface of the substrate layer (1) is provided with a uniformly covered conductive layer (2), the surface of the conductive layer (2) is provided with an absorption layer (3), the surface of the absorption layer (3) is coated with a protective layer (4), the lower surface of the substrate layer (1) is provided with an insulating layer (5), the surface of the substrate layer (1) is provided with a plurality of reinforcing holes (6), the reinforcing holes (6) are distributed in a tapered manner, and the lower surface of the substrate layer (1) is further provided with a protruding pull buckle (7), and the two side surfaces of the pull buckle (7) are respectively provided with reinforcing grooves (8).
2. The composite electromagnetic shielding material according to claim 1, wherein: The conductive layer (2) is uniformly covered on the surface of the substrate layer (1) by using conductive glue or conductive paint.
3. The composite electromagnetic shielding material of claim 1, wherein: The absorption layer (3) is made of one of iron oxide, carbon-based material or polymer composite material.
4. The composite electromagnetic shielding material of claim 1, wherein: The pull buckle (7) is integrally stamped with the substrate layer (1), and the lower surface of the pull buckle (7) is provided with a protruding stamping groove (9).
5. The composite electromagnetic shielding material of claim 1, wherein: The substrate layer (1) is made of metal material, and the insulating layer (5) is covered on the surface of the substrate layer (1) by using silicone rubber material.