Polyurethane heat dissipation pad with damping function

Abstract

The invention discloses a polyurethane heat dissipation pad with a damping function, which comprises a silica gel protective film, a mylar adhesive tape, graphite, a first double faced adhesive tape, polyurethane foam and a second double faced adhesive tape which are matched with each other, and the silica gel protective film and the second double faced adhesive tape are respectively arranged on two opposite surfaces of the polyurethane foam. The outer side face of the polyurethane foam is sequentially wrapped with a first double-faced adhesive tape, graphite and a mylar adhesive tape from inside to outside. According to the invention, polyurethane foam is used as a lining, and the maximum compression ratio of the polyurethane foam is gt; the polyurethane foam has excellent rebound resilience and shock absorption capacity, can effectively absorb impact and vibration, provides reliable protection and isolation for electronic components, improves the buffering and shock absorption capacity of the product, and can improve the structural stability and heat dissipation capacity of the product and avoid energy accumulation by wrapping the outer side face of the polyurethane foam with the first double faced adhesive tape, the graphite and the mylar adhesive tape. The silica gel protective film is arranged to support the whole product, and the second double faced adhesive tape is arranged to facilitate fixation and surface mounting during use.

Description

Technical Field

[0001] The invention belongs to the technical field of computer accessories, and in particular relates to a polyurethane heat dissipation pad with a shock-absorbing function. Background Art

[0002] With the development of the Internet era, computers are being used more and more widely. With the development of computer software and hardware technology, computers are moving towards miniaturization, high speed and high definition. Currently, foam is mainly used to reduce the impact of vibration on electronic components in computers, but the shock absorption effect is limited and the heat dissipation effect is poor. Summary of the invention

[0003] In order to solve the technical problems existing in the prior art, the object of the present invention is to provide a polyurethane heat dissipation pad with a shock absorbing function.

[0004] In order to achieve the above purpose and the above technical effect, the technical solution adopted by the present invention is:

[0005] A polyurethane heat dissipation pad with a shock-absorbing function comprises a matching silicone protective film, Mylar tape, graphite, a first double-sided adhesive tape, polyurethane foam and a second double-sided adhesive tape. The silicone protective film and the second double-sided adhesive tape are arranged on opposite sides of the polyurethane foam, respectively, and the outer side of the polyurethane foam is wrapped with the first double-sided adhesive tape, graphite and Mylar tape in sequence from the inside to the outside.

[0006] Furthermore, a silicone protective film is provided on the bottom surface of the polyurethane foam, and a second double-sided adhesive tape is provided on the top surface of the polyurethane foam.

[0007] Furthermore, the size of the graphite is smaller than the size of the first double-sided tape and the Mylar tape.

[0008] Furthermore, the graphite model is 21-670-0032, the thickness is 0.032±0.005mm, and the density is 1.95±0.15g / cm 3 , the conductivity is 4×10 5 S / m, thermal conductivity>1000W / mK.

[0009] Furthermore, the model of the polyurethane foam is 4701-SGRL-06047, the thickness is 0.75-1.3 mm, and the maximum compression ratio is >85%.

[0010] Furthermore, the model of the Mylar tape is IL-055BMF-S-NT2, the thickness is 0.0055 mm, and the adhesion is 2.8 N / 25 mm.

[0011] Furthermore, the model of the first double-sided adhesive tape is SH-81800, the thickness is 0.003-0.007 mm, and the adhesion is greater than 700 gf / in.

[0012] Furthermore, the model of the silicone protective film is S7503L-25B, the thickness is 0.085±0.003mm, and the peeling force is 2-4g / 25mm.

[0013] Furthermore, the model of the second double-sided adhesive is TESA 68550, the thickness is 0.03 mm, and the 180-degree peeling force is >5 N / cm.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The invention discloses a polyurethane heat dissipation pad with a shock-absorbing function. The polyurethane foam is used as an inner lining. The thickness of the polyurethane foam is 0.75-1.3 mm, the maximum compression ratio is greater than 85%, the pad has excellent resilience and shock absorption capabilities, can effectively absorb impacts and vibrations, provide reliable protection and isolation of electronic components, and improve the buffering and shock-absorbing capabilities of the product. By wrapping a first double-sided adhesive, graphite and Mylar tape on the outer side of the polyurethane foam, the structural stability and heat dissipation capacity of the product can be improved, and energy accumulation can be avoided. By arranging a silicone protective film, support is provided for the entire product. By arranging a second double-sided adhesive, the product can be conveniently fixed and mounted during use. The overall structure is simple and suitable for industrial promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention. DETAILED DESCRIPTION

[0017] The present invention is described in detail below so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0018] A brief summary of one or more aspects is given below to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all conceived aspects, and is neither intended to identify the key or critical elements of all aspects nor to define the scope of any or all aspects. Its only purpose is to give some concepts of one or more aspects in a simplified form as a prelude to a more detailed description that will be given later.

[0019] like Figure 1As shown, a polyurethane heat dissipation pad with a shock-absorbing function includes a matching silicone protective film 1, a Mylar tape 2, a graphite 3, a first double-sided adhesive tape 4, a polyurethane foam 5 and a second double-sided adhesive tape 6, wherein the bottom surface of the polyurethane foam 5 is provided with a silicone protective film 1 to provide a support function for the entire product, and the top surface of the polyurethane foam 5 is provided with a second double-sided adhesive tape 6, which can be conveniently fixed during use and convenient for mounting. The outer side of the polyurethane foam 5 is wrapped with a circle of multi-layered coatings, which are the first double-sided adhesive tape 4, the graphite 3, and the Mylar tape 2 from the inside to the outside. The first double-sided adhesive tape 4 is used to bond the outer side of the polyurethane foam 5 to the graphite 3. The Mylar tape 2 has a sticky side facing the graphite 3, and the Mylar tape 2 is pasted on the outside of the graphite 3. The size of the graphite 3 is smaller than that of the first double-sided adhesive tape 4 and the Mylar tape 2 to ensure that the graphite 3 is completely sealed inside to prevent graphite debris from falling off.

[0020] The model of the silicone protective film 1 is S7503L-25B, the thickness is 0.085±0.003mm, the peeling force is 2-4g / 25mm, it is based on blue PET (polyester film), one side is coated with silicone glue and bonded with polyester film, and it has certain protection and shock absorption effects.

[0021] The model of Mylar tape 2 is IL-055BMF-S-NT2, with a thickness of 0.0055mm and an adhesion of 2.8N / 25mm.

[0022] The heat dissipation function of the polyurethane heat dissipation pad product with shock absorption function disclosed in the present invention is realized by graphite 3. The model of graphite 3 is 21-670-0032. It is an extremely light and flexible material synthesized by a polymer precursor through a high-temperature heat treatment process. The thickness is 0.032±0.005mm and the density is 1.95±0.15g / cm 3 , the conductivity is 4×10 5 S / m, thermal conductivity>1000W / mK, anisotropic and high thermal conductivity, high thermal stability, light weight, RoHS compliant, can eliminate hot spots, shield components and reduce the surface temperature of electronic equipment, is an ideal heat sink for management in limited space.

[0023] The model of the first double-sided tape 4 is SH-81800, with a thickness of 0.003-0.007mm, an adhesion greater than 700gf / in, halogen-free, good thermal conductivity, high bonding strength, and can achieve fast bonding, and is RoHS-compliant.

[0024] The inner lining of the product of the present invention is polyurethane foam 5, the model of polyurethane foam 5 is 4701-SGRL-06047, the thickness is 0.75-1.3 mm, the maximum compression ratio is> 85%, and it has the following advantages:

[0025] With excellent resilience and shock absorption capabilities, it can effectively absorb shock and vibration, providing reliable protection and isolation of electronic components;

[0026] It has good chemical resistance and stability, and can maintain its performance and shape under a wide range of temperature and humidity conditions;

[0027] It has good wear resistance and fatigue resistance, and can maintain its performance and life in long-term use.

[0028] The model of the second double-sided adhesive tape 6 is TESA 68550, the thickness is 0.03 mm, and the 180-degree peeling force is >5 N / cm.

[0029] The polyurethane heat dissipation pad with a shock-absorbing function disclosed in the present invention can be placed at a suitable position of a computer. On the premise of playing a good shock-absorbing and buffering role, the heat generated by the operation of the computer can be promptly discharged to prevent heat accumulation and excessive temperature, thereby improving the stability and safety of the computer operation.

[0030] Example 1

[0031] like Figure 1 As shown, a polyurethane heat dissipation pad with a shock-absorbing function includes a matching silicone protective film 1, a Mylar tape 2, a graphite 3, a first double-sided adhesive tape 4, a polyurethane foam 5 and a second double-sided adhesive tape 6, wherein the bottom surface of the polyurethane foam 5 is provided with a silicone protective film 1 to provide a support function for the entire product, and the top surface of the polyurethane foam 5 is provided with a second double-sided adhesive tape 6, which can be conveniently fixed during use and convenient for mounting. The outer side of the polyurethane foam 5 is wrapped with a circle of multi-layered coatings, which are the first double-sided adhesive tape 4, the graphite 3, and the Mylar tape 2 from the inside to the outside. The first double-sided adhesive tape 4 is used to bond the outer side of the polyurethane foam 5 to the graphite 3. The Mylar tape 2 has a sticky side facing the graphite 3, and the Mylar tape 2 is pasted on the outside of the graphite 3. The size of the graphite 3 is smaller than that of the first double-sided adhesive tape 4 and the Mylar tape 2 to ensure that the graphite 3 is completely sealed inside to prevent graphite debris from falling off.

[0032] The model of the silicone protective film 1 is S7503L-25B, with a thickness of 0.085mm and a peeling force of 2g / 25mm. It is based on blue PET (polyester film), coated with silicone glue on one side and bonded to polyester film, and has a certain protective and shock-absorbing effect.

[0033] The model of Mylar tape 2 is IL-055BMF-S-NT2, with a thickness of 0.0055mm, an adhesion of 2.8N / 25mm, and good insulation properties.

[0034] The heat dissipation function of the polyurethane heat dissipation pad product with a shock-absorbing function disclosed in this embodiment is realized by graphite 3. The model of graphite 3 is 21-670-0032. It is an extremely light and flexible material synthesized by a polymer precursor through a high-temperature heat treatment process. The thickness is 0.032 mm and the density is 1.95 g / cm 3 , the conductivity is 4×10 5 S / m, thermal conductivity>1000W / mK, anisotropic and high thermal conductivity, high thermal stability, light weight, RoHS compliant, can eliminate hot spots, shield components and reduce the surface temperature of electronic equipment, is an ideal heat sink for management in limited space.

[0035] The model of the first double-sided tape 4 is SH-81800, with a thickness of 0.005mm, an adhesion of more than 700gf / in, halogen-free, good thermal conductivity, high bonding strength, fast bonding, and RoHS compliance.

[0036] The product lining of this embodiment is polyurethane foam 5, the model of polyurethane foam 5 is 4701-SGRL-06047, the thickness is 1.2 mm, the maximum compression ratio is> 85%, and it has the following advantages:

[0037] With excellent resilience and shock absorption capabilities, it can effectively absorb shock and vibration, providing reliable protection and isolation of electronic components;

[0038] It has good chemical resistance and stability, and can maintain its performance and shape under a wide range of temperature and humidity conditions;

[0039] It has good wear resistance and fatigue resistance, and can maintain its performance and life in long-term use.

[0040] The model of the second double-sided adhesive tape 6 is TESA 68550, the thickness is 0.03 mm, and the 180-degree peeling force is >5 N / cm.

[0041] The polyurethane heat dissipation pad with a shock-absorbing function disclosed in this embodiment can be placed between a laptop computer battery assembly and a lower shell. It can promptly dissipate the heat generated by the computer operation while playing a good shock-absorbing and buffering role, preventing heat accumulation and excessive temperature, thereby improving the stability and safety of the computer operation.

[0042] Parts or structures not specifically described in the present invention may adopt existing technologies or existing products and will not be described in detail here.

[0043] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A polyurethane heat dissipation pad with shock absorption function, characterized in that: It includes matching silicone protective film, Mylar tape, graphite, a first double-sided adhesive tape, polyurethane foam and a second double-sided adhesive tape. The silicone protective film and the second double-sided adhesive tape are respectively arranged on the opposite sides of the polyurethane foam, and the outer side of the polyurethane foam is wrapped with the first double-sided adhesive tape, graphite and Mylar tape in sequence from the inside to the outside.

2. The polyurethane heat dissipation pad with shock absorption function according to claim 1, characterized in that: The bottom surface of the polyurethane foam is provided with a silicone protective film, and the top surface of the polyurethane foam is provided with a second double-sided adhesive tape.

3. The polyurethane heat dissipation pad with shock absorption function according to claim 1, characterized in that: The size of the graphite is smaller than that of the first double-sided adhesive tape and the Mylar tape.

4. The polyurethane heat dissipation pad with shock absorption function according to claim 1, characterized in that: The graphite model is 21-670-0032, the thickness is 0.032±0.005 mm, and the density is 1.95±0.15 g / cm 3 , the conductivity is 4×10 5 S / m, thermal conductivity>1000W / mK.

5. The polyurethane heat dissipation pad with shock absorption function according to claim 1, characterized in that: The model of the polyurethane foam is 4701-SGRL-06047, the thickness is 0.75-1.3 mm, and the maximum compression ratio is >85%.

6. The polyurethane heat dissipation pad with shock absorption function according to claim 1, characterized in that: The model of the Mylar tape is IL-055BMF-S-NT2, the thickness is 0.0055 mm, and the adhesion is 2.8 N / 25 mm.

7. The polyurethane heat dissipation pad with shock absorption function according to claim 1, characterized in that: The model of the first double-sided adhesive tape is SH-81800, the thickness is 0.003-0.007 mm, and the adhesion is greater than 700 gf / in.

8. The polyurethane heat dissipation pad with shock absorption function according to claim 1, characterized in that: The model of the silicone protective film is S7503L-25B, the thickness is 0.085±0.003mm, and the peeling force is 2-4g / 25mm.

9. The polyurethane heat dissipation pad with shock absorption function according to claim 1, characterized in that: The model of the second double-sided adhesive is TESA 68550, the thickness is 0.03 mm, and the 180-degree peeling force is >5 N / cm.

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