Polyurethane heat dissipation pad with damping function

Abstract

The utility model 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, 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 utility model, the 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 utility model belongs to the technical field of computer accessories, and particularly relates to a polyurethane heat dissipation pad with a shock-absorbing function. Background Art

[0002] With the development of the internet, computers are becoming increasingly popular. Advances in computer software and hardware are driving the trend toward miniaturization, higher speeds, and higher resolution. Currently, foam is primarily used to reduce the impact of vibration on electronic components within computers, but this has limited damping effects and poor heat dissipation. Utility Model Content

[0003] In order to solve the technical problems existing in the prior art, the purpose of the utility model 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 effects, 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 tape, polyurethane foam and a second double-sided tape. The silicone protective film and the second double-sided tape are respectively provided on opposite sides of the polyurethane foam, and the outer side of the polyurethane foam is wrapped with the first double-sided 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 tape is provided on the top surface of the polyurethane foam.

[0007] Furthermore, the size of the graphite is smaller than that 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 polyurethane foam has a model of 4701-SGRL-06047, a thickness of 0.75-1.3 mm, and a maximum compression ratio of >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 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 tape 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 beneficial effects of the present invention are:

[0015] The utility model discloses a polyurethane heat dissipation pad with a shock-absorbing function. The pad is lined with polyurethane foam. 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 tape, 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 tape, the product can be conveniently fixed during use, and installation is convenient. The overall structure is simple and suitable for industrial promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the present utility model. 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 precise definition of the protection scope of the present invention.

[0018] The following is a brief summary of one or more aspects to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all conceivable aspects and is neither intended to identify key or critical elements of all aspects nor to define the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that will be provided later.

[0019] like Figure 1As shown, a polyurethane heat dissipation pad with a shock-absorbing function includes a matching silicone protective film 1, Mylar tape 2, graphite 3, a first double-sided tape 4, polyurethane foam 5 and a second double-sided tape 6, wherein the bottom surface of the polyurethane foam 5 is provided with a silicone protective film 1 to provide support for the entire product, and the top surface of the polyurethane foam 5 is provided with a second double-sided 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 coating, which is from the inside to the outside in order of the first double-sided tape 4, graphite 3, and Mylar tape 2. The first double-sided tape 4 is used to bond the outer side of the polyurethane foam 5 to the graphite 3. The side of the Mylar tape 2 facing the graphite 3 is sticky, 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 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 silicone protective film 1 is S7503L-25B, with a thickness of 0.085±0.003mm and a peel force of 2-4g / 25mm. It is made of blue PET (polyester film) as the base material, coated with silicone glue on one side and laminated with polyester film, and has certain protection and shock absorption effects.

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

[0022] The utility model discloses a polyurethane heat dissipation pad product with a shock-absorbing function. The heat dissipation function is achieved 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, with anisotropy and high thermal conductivity, high thermal stability, light weight, RoHS compliance, 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. It complies with RoHS standards.

[0024] The inner lining of the product of the utility model is polyurethane foam 5, the model of polyurethane foam 5 is 4701-SGRL-06047, the thickness is 0.75-1.3mm, 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 tape 6 is TESA 68550, with a thickness of 0.03 mm and a 180-degree peeling force of >5 N / cm.

[0029] The polyurethane heat dissipation pad with a shock-absorbing function disclosed in the present invention can be placed in a suitable position of a computer. While playing a good shock-absorbing and buffering role, it can timely dissipate the heat generated by the computer operation, 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, Mylar tape 2, graphite 3, a first double-sided tape 4, polyurethane foam 5 and a second double-sided tape 6, wherein the bottom surface of the polyurethane foam 5 is provided with a silicone protective film 1 to provide support for the entire product, and the top surface of the polyurethane foam 5 is provided with a second double-sided 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 coating, which is from the inside to the outside in order of the first double-sided tape 4, graphite 3, and Mylar tape 2. The first double-sided tape 4 is used to bond the outer side of the polyurethane foam 5 to the graphite 3. The side of the Mylar tape 2 facing the graphite 3 is sticky, 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 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 silicone protective film 1 is S7503L-25B, with a thickness of 0.085mm and a peel force of 2g / 25mm. It is based on blue PET (polyester film), coated with silicone glue on one side and laminated with polyester film. It has certain protection and shock absorption effects.

[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 shock absorption function disclosed in the embodiment is realized by graphite 3, the model of the graphite 3 is 21-670-0032, it is an extremely light flexible material synthesized by a high-temperature heat treatment process of a polymer precursor, the thickness is 0.032 mm, the density is 1.95 g / cm 3 , the conductivity is 4*10 5 S / m, the thermal conductivity is >1000 W / m-K, has anisotropy and high thermal conductivity, high thermal stability, light weight, meets the RoHS standard, can eliminate hot spots, shield components and reduce the surface temperature of electronic equipment, and is an ideal heat sink for management in limited space.

[0035] The first double-sided adhesive 4 has a model of SH-81800, a thickness of 0.005 mm, an adhesion greater than 700 gf / in, is halogen-free, has good thermal conductivity, high adhesive strength, can realize rapid adhesion, and meets the RoHS standard.

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

[0037] Has excellent resilience and shock absorption capacity, can effectively absorb impact and vibration, and provides reliable protection and isolation of electronic components;

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

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

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

[0041] The polyurethane heat dissipation pad with shock absorption function disclosed in the embodiment can be placed between a notebook computer battery assembly and a lower shell, can timely dissipate heat generated by computer operation under the premise of good shock absorption and buffering effect, prevents heat accumulation and temperature from being too high, and thus improves the stability and safety of computer operation.

[0042] Parts or structures not specifically described in the utility model can adopt prior art or prior products, and details are not repeated here.

[0043] The above description is merely an embodiment of the present invention and does not 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 a matching silicone protective film, Mylar tape, graphite, a first double-sided tape, polyurethane foam and a second double-sided tape. The silicone protective film and the second double-sided tape are respectively provided on the opposite sides of the polyurethane foam, and the outer side of the polyurethane foam is wrapped with the first double-sided tape, graphite and Mylar tape 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 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 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 polyurethane foam has a model of 4701-SGRL-06047, a thickness of 0.75-1.3 mm, and a maximum compression ratio of >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 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 tape is TESA 68550, the thickness is 0.03 mm, and the 180-degree peeling force is greater than 5 N / cm.

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