CN210405982U - Magnetic heat-conducting silica gel pad - Google Patents

Abstract

The utility model discloses a heat conduction silica gel pad is inhaled to magnetism, including the silica gel pad body, a side department of this silica gel pad body sets up first supplementary glue film, and this first supplementary glue film includes that at least one magnetism inlays the lamella. This technique sets up at least one magnetism inlay lamella in first supplementary glue film, can produce magnetism to high temperature electronic component and inhale the fixed connection in order to realize heat conduction silica gel pad and radiator, has avoided traditional two-sided heat conduction silica gel pad to glue the hand when using and has leaded to using inconveniently, and inconvenient tearing the problem of heavily pasting and appearing, has greatly satisfied user's use.

Description

Magnetic heat-conducting silica gel pad

Technical Field

The utility model belongs to the technical field of the silica gel pad technique and specifically relates to a heat conduction silica gel pad is inhaled to magnetism.

Background

In daily life, people can widely apply to various electronic products, and all electronic products involve a heat dissipation problem because electronic components in the electronic products can rise in temperature during use, especially transistors and some semiconductor components are particularly prone to heat generation, and when the use temperature of the electronic components is high, the performance of the electronic components is reduced, so that the heat dissipation of the electronic components is needed. When the heat dissipation element is connected to the heat generation element, it is generally necessary to fill the gap between the heat generation element and the heat dissipation element with a filler material and a thermally conductive material.

The heat-conducting silica gel sheet is a heat-conducting medium material synthesized by a special process by taking silica gel as a base material and adding various auxiliary materials such as metal oxides, is produced by a special design scheme of utilizing gaps to transfer heat, can fill the gaps, completes heat transfer between a heating part and a radiating part, has the effects of insulation, shock absorption, sealing and the like, can meet the design requirements of equipment miniaturization and ultrathin, and is extremely high in manufacturability and usability, wide in thickness application range and extremely good in heat-conducting filling material.

However, the surfaces of the two sides of the existing heat-conducting silica gel pad have viscosity, so that the problem of hand adhesion can be caused when the pad is used, and the situation that the adhered positions are not right after the pad is adhered is difficult to tear.

Therefore, the above technical problem needs to be solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a heat conduction silica gel pad is inhaled to magnetism, and aim at avoids gluing the hand when using and convenient repeated pasting.

In order to solve the technical problem, the utility model provides a basic technical scheme does:

the utility model provides a heat conduction silica gel pad is inhaled to magnetism, includes the silica gel pad body, and a side department of this silica gel pad body sets up first supplementary glue film, and this first supplementary glue film includes that at least one magnetism inlays the lamella.

Furthermore, first supplementary glue film includes outside glue film and inferior outside glue film, at least one magnetism mosaic piece layer is inlayed in inferior outside glue film department.

Further, the outermost side glue layer is a hard layer.

Furthermore, the outer side of the outermost glue layer is provided with a flexible heat conduction layer.

Furthermore, the upper end face of the at least one magnetic mosaic sheet layer and the upper end face of the secondary outer side glue layer are on the same plane.

Furthermore, the lower end face of the at least one magnetic inlaid sheet layer and the lower end face of the secondary outer side glue layer are located on the same plane.

Further, the auxiliary adhesive layer comprises at least two magnetic mosaic sheet layers which are inlaid at the first auxiliary adhesive layer in a circular manner.

Furthermore, the at least two magnetic mosaic sheets are uniformly distributed at the secondary outer side glue layer.

Further, the magnetic inlay layer is substantially fan-shaped.

Furthermore, the side surface of each magnetic mosaic sheet layer is in a reticulate pattern shape.

The utility model has the advantages that:

the technical scheme of the utility model a heat conduction silica gel pad is inhaled to magnetism, including the silica gel pad body, a side department of this silica gel pad body sets up first supplementary glue film, and this first supplementary glue film includes that at least one magnetism inlays the lamella. This technique sets up at least one magnetism inlay lamella in first supplementary glue film, can produce magnetism to high temperature electronic component and inhale the fixed connection in order to realize heat conduction silica gel pad and radiator, has avoided traditional two-sided heat conduction silica gel pad to glue the hand when using and has leaded to using inconveniently, and inconvenient tearing the problem of heavily pasting and appearing, has greatly satisfied user's use.

Drawings

Fig. 1 is a schematic structural view of a magnetic heat-conducting silica gel pad of the present invention;

fig. 2 is a schematic view of the distribution of the magnetic mosaic layers 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 2, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

Referring to fig. 1, the utility model relates to a heat conduction silica gel pad is inhaled to magnetism, including silica gel pad body 10, a side department of this silica gel pad body 10 sets up first supplementary glue film 20, and this first supplementary glue film 20 includes that at least one magnetism inlays lamella 30.

When using first supplementary glue film 20 is used for with can with the magnetic substance attract generate heat the device contact, under this at least one magnetism inlays the magnetic attraction effect of lamella 30, the absorption that the heat conduction silica gel pad can be stable is inhaled to magnetism generates heat the device surface, whole use has avoided traditional heat conduction silica gel pad to appear gluing the hand and is difficult to tear the problem of heavily pasting appear when pasting the position just for whole fixed process of pasting seems simpler. It should be understood that the at least one magnetic mosaic sheet layer 30 in the present embodiment is made of an existing material having heat conduction and magnetic functions, for example, a heat conduction silica gel using manganese-zinc soft magnetic ferrite powder as a filling material, and the magnetic mosaic sheet layers 30 are formed by pressing. In the application process, the at least one magnetic inlaid sheet layer 30 generates magnetic force, so that the magnetic heat-conducting silica gel pad is conveniently fixed and is convenient to tear and re-stick.

Of course, in a specific application, a second auxiliary adhesive layer is disposed at the other side of the silicone pad body 10, and the second auxiliary adhesive layer is used for bonding with the heat sink. Specifically, the second auxiliary adhesive layer may include an adhesive layer, a thermally conductive insulating rubber layer, and a glass fiber layer, wherein the adhesive layer is an outermost layer. However, the present invention is not limited to this, and any other suitable stacked structure may be employed.

In detail, the first auxiliary glue layer 20 includes an outermost glue layer 201 and a second outer glue layer 202, and the at least one magnetic mosaic piece layer 30 is mosaiced at the second outer glue layer 202. It should be understood that the first auxiliary glue layer 20 may also comprise other functional laminated structures, such as a ceramic heat conducting layer, etc. In this embodiment, the at least one magnetic mosaic sheet layer 30 is not exposed to the external environment, i.e. the at least one magnetic mosaic sheet layer 30 is at least covered by the outermost glue layer 201.

Specifically, the upper end surface of the at least one magnetic mosaic sheet layer 30 and the upper end surface of the secondary outer rubber layer 202 are in the same plane. This allows the at least one magnetic inlay layer 30 to be closer to the outside, which is more advantageous for increasing the magnetic attraction with the high temperature electronic components. Wherein, the lower end face of the at least one magnetic mosaic sheet layer 30 and the lower end face of the secondary outer side adhesive layer 202 are positioned on the same plane. Therefore, the structure of the silica gel pad body 10 can not be damaged, the silica gel pad body is kept complete, and the processing is facilitated.

In order to contact the high-temperature electronic component and protect the magnetic mosaic layer 30, the outermost glue layer 201 is a hard layer. For example, a layer of thermally conductive fiberglass having a strength that avoids bending and damaging the magnetic inlay layer 30. Certainly, in order to avoid the better contact with high temperature electronic component, the lateral surface of outside glue film 201 sets up flexible heat-conducting layer 40, and when contacting with high temperature electronic component, certain deformation can take place for flexible heat-conducting layer 40, guarantees that whole magnetism inhales heat-conducting silica gel pad and the intact contact of high temperature electronic component, can play certain cushioning effect moreover, avoids causing the damage to high temperature electronic component surface.

In a specific embodiment, the present solution includes at least two magnetic mosaic sheets 30, and the at least two magnetic mosaic sheets 30 are inlaid at the first auxiliary glue layer 20 in a circular shape. For example, three, four, five or even more, which can be selected according to the actual application, and three magnetic mosaic layers 30 are provided in the present embodiment. Wherein, the at least two magnetic mosaic sheet layers 30 are uniformly distributed at the secondary outer side glue layer 202, referring to fig. 2, taking three magnetic mosaic sheet layers 30 as an example, the three magnetic mosaic sheet layers 30 are circularly arranged at the secondary outer side glue layer 202, and the outer side glue layer 202 can be a silica sol heat absorption layer. The magnetic insert sheet layer 30 has a substantially fan-shaped shape, and more preferably, both side ends of the magnetic insert sheet layer 30 are also arc-shaped.

In order to ensure the connection stability of the magnetic mosaic sheet layer 30 at the first auxiliary adhesive layer 20, the side surface of the at least one magnetic mosaic sheet layer 30 is in a reticulate pattern shape. This reticulation form can improve with the frictional force and the restraint between the first supplementary glue film 20, guarantee that the product shaping back is more stable. In addition, the outer side of the magnetic inlay sheet layer 30 may be any other suitable shape capable of increasing the friction force, such as a convex spiral pattern, a concave annular pattern, or the like.

In a word, the technical scheme of the utility model inlay lamella 30 through magnetism and realized fixed with high temperature electronic component's magnetism, it is very convenient to use, has satisfied user's operation requirement.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. The utility model provides a heat conduction silica gel pad is inhaled to magnetism, includes silica gel pad body (10), and a side department of this silica gel pad body (10) sets up first supplementary glue film (20), its characterized in that: the first auxiliary glue layer (20) comprises at least one magnetic mosaic sheet layer (30).

2. The magnetically-attracted heat-conducting silica gel pad of claim 1, wherein:

the first auxiliary glue layer (20) comprises an outermost glue layer (201) and a secondary outer glue layer (202), and the at least one magnetic mosaic piece layer (30) is inlaid at the secondary outer glue layer (202).

3. The magnetically-attracted heat-conducting silica gel pad of claim 2, wherein:

the outermost glue layer (201) is a hard layer.

4. The magnetically-attracted heat-conducting silica gel pad of claim 3, wherein:

and the outer side surface of the outermost glue layer (201) is provided with a flexible heat conduction layer (40).

5. The magnetically-attracted heat-conducting silica gel pad of claim 2, wherein:

the upper end face of the at least one magnetic mosaic sheet layer (30) and the upper end face of the secondary outer side rubber layer (202) are in the same plane.

6. The magnetically-attracted heat-conducting silica gel pad of claim 5, wherein:

the lower end face of the at least one magnetic mosaic sheet layer (30) and the lower end face of the secondary outer side adhesive layer (202) are positioned on the same plane.

7. The magnetically-attracted heat-conducting silica gel pad of claim 2, wherein:

comprises at least two magnetic mosaic sheet layers (30), and the at least two magnetic mosaic sheet layers (30) are inlaid at the first auxiliary glue layer (20) in a circular manner.

8. The magnetically-attracted heat-conducting silica gel pad of claim 7, wherein:

the at least two magnetic mosaic sheet layers (30) are uniformly distributed at the secondary outer side glue layer (202).

9. The magnetically-attracted heat-conducting silica gel pad of claim 8, wherein:

the magnetic inlay sheet layer (30) is substantially fan-shaped.

10. The magnetically-attracted thermal silica gel pad according to one of claims 1-8, wherein:

the side surface of each magnetic mosaic sheet layer (30) is in a reticulate pattern shape.

Images