CN203151919U

CN203151919U - Structure of radiating patch

Info

Publication number: CN203151919U
Application number: CN 201220631168
Authority: CN
Inventors: 林汉贤
Original assignee: XINSHENG CHEMICAL MATERIALS ENTERPRISE CO Ltd
Current assignee: XINSHENG CHEMICAL MATERIALS ENTERPRISE CO Ltd
Priority date: 2012-11-26
Filing date: 2012-11-26
Publication date: 2013-08-21
Anticipated expiration: 2022-11-26

Abstract

The utility model discloses the structure of a radiating patch, which comprises a bottom adhesive layer. The top surface of the bottom adhesive layer of is provided with a thin core layer. The top surface of the thin core layer is provided with a phase-change layer. The thin core layer is made of flexible materials and the phase-change layer is composed of a plurality of particles made of phase-change material. Due to the adoption of the structure of the radiating patch, based on the high latent heat characteristics of the particles made of phase-change material, the radiating patch is excellent in radiating performance. The radiating effect of the radiating patch is equal to that of a conventional radiating fin capable of radiating heat based on the heat conduction principle as known, while the thickness of the radiating patch is smaller than that of the radiating fin. Meanwhile, the radiating patch can be freely pasted, cut or bent according to the needs of users and is convenient to use.

Description

The structure that heat radiation is pasted

Technical field

The utility model relates to a kind of structure of dispelling the heat and pasting, and refers to the structure that a kind of heat radiation that utilizes phase change to dispel the heat is pasted especially.

Background technology

For fear of heater; as semiconductor chip etc.; it is overheated to take place; in the streets regular meeting arranges a fin at this heater; can be for helping this heater to dispel the heat; and in order to promote radiating effect; there is the technical staff just to develop a kind of combined heat radiating sheet as shown in Figure 1; this fin mainly has the heat-conducting piece 1 of a metal material; and the end face of heat-conducting piece 1 utilizes bleeding agent 2 to engage the heat sink 3 that a ceramic material is arranged; the high thermal conduction characteristic that this fin can be had by pottery reaches the purpose that promotes radiating effect.Use in order to allow this fin can be convenient to the user again, there is the technical staff to develop a kind of structure of flexibility adhesive tape type fin as shown in Figure 2, this fin mainly has the base portion 4 of a deflection, and a side of base portion 4 is coated with a heat conduction bonding layer 5, side then is arranged with the protuberance 6 of heat transmission with warp, latitude matrix in addition, and forms a thinning layer 7 at

protuberance

6 and 6 of protuberances.Like this, not only can directly this fin be fixed on the heater by heat conduction bonding layer 5, and can carry out deflection and cutting by thinning layer 7, this fin can be cut according to the radiating requirements of this heater, and reach and batch the effect of taking in.

But, the radiating principle of above-mentioned fin, all be that the thermal energy conduction that earlier this heater produced by heat conducting mode is to heat sink 3 or protuberance 6, again further by carrying out the purpose that heat exchange reaches heat radiation between heat sink 3 or protuberance 6 and air, namely the heat dispersion of this fin depends on the contact area size between heat sink 3 or protuberance 6 and air, make heat sink 3 or protuberance 6 must keep certain thickness, just can guarantee heat dispersion, and can't be applied in narrow environment, as the chip cooling in the mobile phone.The structure of above-mentioned flexibility adhesive tape type fin in addition, it only can carry out deflection and cutting by thinning layer 7 place, makes the shape that cuts and the shape of bending be restricted, and still has inconvenience in the use.

The utility model content

In view of this, the technical problems to be solved in the utility model is to provide a kind of structure of dispelling the heat and pasting, and it not only has advantages such as thin thickness and heat dispersion excellence, and tool stickiness and flexibility can reach the effect of being convenient to user's use.

For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that a kind of structure of dispelling the heat and pasting, and it includes: a primer layer; One thin basic unit, it is made of the deflection material, and is located at the end face of this primer layer; One phase change layer, it is located at the end face of this thin basic unit, and is provided with a plurality of phase-transition material particles in this phase change layer.

As preferred version, this primer layer is made of the material of tool thermal conductivity, no conductivity.

As preferred version, the material of this tool thermal conductivity, no conductivity is a heat-conducting glue.

As preferred version, this deflection material is selected from the wherein a kind of of metal, plastics and paper.

As preferred version, this phase change layer mixes the back by this phase-transition material particle and is constituted with a viscose.

As preferred version, it further includes a heat dissipating layer, and this heat dissipating layer is located at the end face of this phase change layer, and is provided with a plurality of first porous materials in this heat dissipating layer.

As preferred version, further be provided with a plurality of second porous materials in this phase change layer.

As preferred version, this first porous material is selected from the wherein a kind of of graphite, montmorillonite and aluminium oxide.

As preferred version, this second porous material is selected from the wherein a kind of of graphite, montmorillonite and aluminium oxide.

The technique effect that the utility model reaches is as follows: the structure that the utility model heat radiation is pasted, the high latent heat characteristic that can have by this phase-transition material particle itself not only, very excellent heat dispersion is provided, the structure that this heat radiation is pasted is able to reach the radiating effect identical with the known fin that utilizes the heat conduction to dispel the heat by thinner product thickness, and because this thin basic unit is made of the deflection material, this phase change layer then is made of this phase-transition material particle, the structure of pasting so should dispel the heat can be comparatively soft, be available for users to cut out arbitrarily and bend, more allow the user can paste the structure that this heat radiation is pasted arbitrarily by this primer layer simultaneously, be convenient to the effect that the user uses thereby can reach.

Description of drawings

Fig. 1 is a kind of cutaway view of known combined heat radiating sheet;

Fig. 2 is a kind of cutaway view of structure of known flexibility adhesive tape type fin;

Fig. 3 is the stereogram of first preferred embodiment of the structure of the utility model heat radiation subsides;

Fig. 4 is the cutaway view of first preferred embodiment of the structure of the utility model heat radiation subsides;

Fig. 5 is the use schematic diagram of first preferred embodiment of the structure of the utility model heat radiation subsides;

Fig. 6 is the cutaway view of second preferred embodiment of the structure of the utility model heat radiation subsides;

Fig. 7 is the cutaway view of the 3rd preferred embodiment of the structure of the utility model heat radiation subsides.

[primary clustering symbol description]

1 heat-conducting piece

2 bleeding agents

3 heat sinks

4 base portions

5 heat conduction bonding layers

6 protuberances

7 thinning layers

The structure that 100 heat radiations are pasted

10 primer layers

20 thin basic units

30 phase change layers

31 phase-transition material particles

32 viscoses

33 second porous materials

40 heat dissipating layers

41 first porous materials

200 heaters.

Embodiment

See also Fig. 3 and shown in Figure 4, stereogram and the cutaway view of first preferred embodiment of the structure of pasting for the utility model heat radiation, its exposure has a kind of structure 100 of dispelling the heat and pasting, the structure 100 that heat radiation is pasted includes: a primer layer 10, its material by tool thermal conductivity, no conductivity is constituted, as paste the viscose of usefulness, or constituted by heat-conducting glue as shown in this embodiment.

One thin basic unit 20, it is made of the deflection material, and is located at the end face of primer layer 10, and wherein, this deflection material is selected from the wherein a kind of of metal, plastics and paper, and in the present embodiment, this deflection material adopts metal.

One phase change layer 30, it is located at the end face of thin basic unit 20, and be provided with a plurality of phase-transition material particle 31(Phase Change Materials in the phase change layer 30, PCM), and in the present embodiment, phase-transition material particle 31 with after a viscose 32 mixes, is coated in the thin basic unit 20 with formation phase change layer 30 earlier again.

Please consult shown in Figure 5 more simultaneously, the use schematic diagram of first preferred embodiment of the structure of pasting for the utility model heat radiation, the user not only can paste and is fixed on the heater 200 by directly will the dispel the heat structure 100 of pasting of primer layer 10, and because thin basic unit 20 is made of the deflection material, phase change layer 30 then mixes the back by phase-transition material particle 31 and is constituted with viscose 32, so the structure 100 that heat radiation is pasted can be comparatively soft, be available for users to cut out arbitrarily and bend, the structure 100 of pasting dispelling the heat is flattened on the surface of heater 200.For example in the present embodiment, the structure 100 that this heat radiation is pasted is bent into a curved surface shape, and the structure 100 that heat radiation is pasted can reach is convenient to the effect that the user uses.

And after the structure 100 of heat radiation subsides is arranged on heater 200, this moment is because phase-transition material particle 31 has the characteristic of high latent heat, so at heater 200 beginning adstante febres, phase-transition material particle 31 can be gradually changed in the liquid phase change process by solid-state being heated, effectively draw the thermal source that heater 200 sends, thereby the structure 100 that the utility model heat radiation is pasted can provide very excellent heat dispersion, and can reach the radiating effect identical with the known fin that utilizes the heat conduction to dispel the heat by thinner product thickness, so that the user uses at narrow environment.

What deserves to be mentioned is, because primer layer 10 is made of the material of tool thermal conductivity, no conductivity, so except fixing the structure 100 of pasting of dispelling the heat in order to paste, more the heat energy that heater 200 can be sent effectively conducts to phase change layer 30, to promote radiating effect.

Please consult shown in Figure 6 again, the cutaway view of second preferred embodiment of the structure of pasting for the utility model heat radiation, structure 100 and aforementioned preferred embodiment difference that heat radiation is pasted are, further include a heat dissipating layer 40, it is located at the end face of phase change layer 30, and heat dissipating layer 40 is made of a plurality of first porous materials 41, and the first porous material 41 is selected from wherein a kind of or its combination of graphite, montmorillonite and aluminium oxide.Like this, can by heat dissipating layer 40 increase and air between contact area, so that phase change layer 30 is dispelled the heat, and then can further promote the radiating effect of the structure 100 that heat radiation pastes.

Please consult shown in Figure 7 again, the cutaway view of the 3rd preferred embodiment of the structure of pasting for the utility model heat radiation, structure 100 and the aforementioned second preferred embodiment difference that heat radiation is pasted are, further be provided with a plurality of second porous materials 33 in the phase change layer 30, and the second porous material 33 is selected from wherein a kind of or its combination of graphite, montmorillonite and aluminium oxide.Like this, make heat energy conduct to heat dissipating layer 40 by the second porous material 33 and dispel the heat, and can further promote the radiating effect of the structure 100 that heat radiation pastes.

The above is preferred embodiment of the present utility model only, is not for limiting protection range of the present utility model.

Claims

1. structure of dispelling the heat and pasting is characterized in that it includes:

One primer layer;

One thin basic unit, it is made of the deflection material, and is located at the end face of this primer layer;

One phase change layer, it is located at the end face of this thin basic unit, and is provided with a plurality of phase-transition material particles in this phase change layer.

2. the structure of heat radiation subsides according to claim 1 is characterized in that this primer layer is made of the material of tool thermal conductivity, no conductivity.

3. the structure of heat radiation subsides according to claim 2 is characterized in that the material of this tool thermal conductivity, no conductivity is a heat-conducting glue.

4. the structure of heat radiation subsides according to claim 1 is characterized in that this deflection material is selected from the wherein a kind of of metal, plastics and paper.

5. the structure of heat radiation subsides according to claim 1 is characterized in that, this phase change layer mixes back institute by this phase-transition material particle and constituted with a viscose.

6. the structure of heat radiation subsides according to claim 1 is characterized in that it further includes a heat dissipating layer, and this heat dissipating layer is located at the end face of this phase change layer, and is provided with a plurality of first porous materials in this heat dissipating layer.

7. the structure of heat radiation subsides according to claim 6 is characterized in that, further is provided with a plurality of second porous materials in this phase change layer.

8. the structure of heat radiation subsides according to claim 6 is characterized in that this first porous material is selected from the wherein a kind of of graphite, montmorillonite and aluminium oxide.

9. the structure of heat radiation subsides according to claim 7 is characterized in that this second porous material is selected from the wherein a kind of of graphite, montmorillonite and aluminium oxide.