Heat dissipation sheet capable of expanding sound effect and applied to mobile phone loudspeaker

Abstract

The utility model discloses a radiating sheet capable of expanding sound effect and applied to a mobile phone loudspeaker, which comprises a metal radiating sheet and metal fixing sheets arranged on the left side and the right side of the center of the bottom of the metal radiating sheet, and a sound amplifying cover A and a sound amplifying cover B are respectively arranged at the front ends of the two metal fixing sheets. The metal heat dissipation sheet, the sound amplification cover A, the metal fixing sheet and the sound amplification cover B are all made of copper alloy, and a novel enhanced heat dissipation device is additionally arranged in the center of the heat dissipation sheet capable of amplifying the sound effect and applied to the mobile phone loudspeaker. The enhanced heat dissipation device can be attached to internal elements of the mobile phone after the heat dissipation sheet is installed in the mobile phone, and the enhanced heat dissipation device guides heat generated by the mobile phone through the heat conduction sheet made of aluminum nitride, and rapidly absorbs and dissipates the heat through the heat dissipation fins, the carbon nanotubes and the graphene. Therefore, heat generated by the mobile phone can be dissipated more quickly.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat dissipation sheet materials, and particularly relates to a heat dissipation sheet material applied to a mobile phone speaker that can expand sound effects. Background Technique

[0002] A heat dissipation sheet material that can expand sound effects and improve the performance of a mobile phone speaker usually uses high thermal conductivity materials such as aluminum alloy or copper alloy. These materials can not only effectively dissipate heat, but also reduce the influence of the heat inside the mobile phone on the speaker through good thermal conductivity, thereby improving the sound quality. In mobile phone design, the role of the heat dissipation sheet is not only to cool down, but may also include optimizing the conduction of sound waves and enhancing the sound quality. The design and material selection of the heat dissipation sheet have an important impact on the improvement of sound effects.

[0003] However, a heat dissipation sheet material applied to a mobile phone speaker that can expand sound effects not only needs to have the ability to expand sound effects, but its main function is to dissipate heat from the mobile phone. When the mobile phone is running, the heat generated by the mobile phone components will be absorbed and dissipated by the heat dissipation sheet material. However, the heat dissipation sheet materials are basically made of aluminum alloy or copper alloy, and the heat dissipation effect of the heat dissipation sheet materials made of aluminum alloy or copper alloy is limited. When the mobile phone is running at full load, the speed at which the heat dissipation sheet materials made of aluminum alloy or copper alloy absorb and dissipate heat will not be able to keep up with the speed at which the mobile phone components generate heat. Therefore, it will quickly cause the mobile phone to be overheated, which will shorten the service life of the mobile phone components. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a heat dissipation sheet material applied to a mobile phone speaker that can expand sound effects, so as to solve the problem that the heat dissipation sheet materials are basically made of aluminum alloy or copper alloy as mentioned in the above background technique, and the heat dissipation effect of the heat dissipation sheet materials made of aluminum alloy or copper alloy is limited. When the mobile phone is running at full load, the speed at which the heat dissipation sheet materials made of aluminum alloy or copper alloy absorb and dissipate heat will not be able to keep up with the speed at which the mobile phone components generate heat, so it will quickly cause the mobile phone to be overheated.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A heat dissipation sheet material applied to a mobile phone speaker that can expand sound effects, including a metal heat dissipation sheet material and metal fixing pieces arranged on the left and right sides at the center of the bottom of the metal heat dissipation sheet material. An acoustic amplifier A and an acoustic amplifier B are respectively arranged at the front ends of the two metal fixing pieces. The metal heat dissipation sheet material, the acoustic amplifier A, the metal fixing piece, and the acoustic amplifier B are all made of copper alloy. An enhanced heat dissipation device is arranged inside the middle section of the metal heat dissipation sheet material;

[0006] The enhanced heat dissipation device includes a rectangular embedded window, a heat conducting thin sheet, and heat dissipation fins. A rectangular embedded window is provided inside the middle section of the metal heat dissipation sheet. A heat conducting thin sheet is fixed inside the rear end of the rectangular embedded window. The outer wall of the heat conducting thin sheet is closely attached to the inner wall of the rectangular embedded window around its perimeter. A plurality of heat dissipation fins are densely arranged at equal intervals on the outer wall of the rear end of the heat conducting thin sheet.

[0007] Preferably, both the heat conducting thin sheet and the heat dissipation fins are made of aluminum nitride, and the outer wall of the rear end of the heat dissipation fins is flush with the outer wall of the metal heat dissipation sheet.

[0008] Preferably, the enhanced heat dissipation device further includes carbon nanotubes and graphene. A plurality of carbon nanotubes are provided, and the plurality of carbon nanotubes are densely arranged at equal intervals between the plurality of heat dissipation fins, and the carbon nanotubes are fixed on the outer wall of the rear end of the heat conducting thin sheet. Graphene is filled and fixed inside each of the plurality of carbon nanotubes.

[0009] Preferably, the outer wall of the rear end of the carbon nanotubes is flush with the outer wall of the metal heat dissipation sheet, and the outer walls of the left and right ends of the carbon nanotubes are respectively attached to the adjacent heat dissipation fins.

[0010] Preferably, a charging port reservation groove is provided at the center of the bottom end of the metal heat dissipation sheet. The inner and outer walls of the sound amplifying cover A and the sound amplifying cover B are smooth and free of burrs, and the opening area at the upper end of the sound amplifying cover A and the sound amplifying cover B is smaller than the opening area at the lower end.

[0011] Preferably, a plurality of fixing heads are provided at both the left and right ends of the metal heat dissipation sheet. The fixing heads have the same thickness as the metal heat dissipation sheet, and screw holes are provided inside the fixing heads.

[0012] Compared with the prior art, the present utility model provides a heat dissipation sheet for a mobile phone speaker that can expand the sound effect, and has the following beneficial effects:

[0013] In the present utility model, a new enhanced heat dissipation device is added inside the center of the heat dissipation sheet for a mobile phone speaker that can expand the sound effect. The enhanced heat dissipation device can be attached to the internal components of the mobile phone after the heat dissipation sheet is installed inside the mobile phone. The enhanced heat dissipation device guides the heat generated by the mobile phone through the heat conducting thin sheet made of aluminum nitride, and quickly absorbs and dissipates the heat through the heat dissipation fins, carbon nanotubes, and graphene. The heat conduction effects of aluminum nitride, carbon nanotubes, and graphene on the enhanced heat dissipation device are stronger than those of the heat dissipation sheet made of copper alloy. In this way, the heat generated by the mobile phone can be dissipated more quickly to increase the heat dissipation effect of the mobile phone, and at the same time, it can also prevent the mobile phone from becoming stuck or damaged due to excessive temperature. Description of the Drawings

[0014] Figure 1This is a front three-dimensional structural schematic diagram of a heat sink sheet applied to a mobile phone speaker that can expand the sound effect of the present utility model.

[0015] Figure 2 This is a back three-dimensional structural schematic diagram of a heat sink sheet applied to a mobile phone speaker that can expand the sound effect of the present utility model.

[0016] Figure 3 This is a front three-dimensional structural schematic diagram of the enhanced heat dissipation device of the present utility model.

[0017] Figure 4 This is a back three-dimensional structural schematic diagram of the enhanced heat dissipation device of the present utility model.

[0018] In the figure: 1. Metal heat sink sheet; 2. Sound amplification cover A; 3. Metal fixing piece; 4. Reserved slot for charging port; 5. Sound amplification cover B; 6. Enhanced heat dissipation device; 7. Fixed head; 8. Screw hole; 9. Rectangular embedded window; 10. Thermal conductive thin sheet; 11. Heat dissipation fin; 12. Carbon nanotube; 13. Graphene. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] The present utility model provides as Figures 1-4A heat sink for a mobile phone speaker that can expand the sound effect, including a metal heat sink 1 and metal fixing pieces 3 disposed on both left and right sides at the center of the bottom of the metal heat sink 1. An amplification cover A2 and an amplification cover B5 are respectively disposed at the front ends of the two metal fixing pieces 3. The metal heat sink 1, the amplification cover A2, the metal fixing piece 3, and the amplification cover B5 are all made of copper alloy. A charging port reserved groove 4 is disposed at the center of the bottom end of the metal heat sink 1. The inner and outer walls of the amplification cover A2 and the amplification cover B5 are smooth and burr-free. The upper opening area of the amplification cover A2 and the amplification cover B5 is smaller than the lower opening area. A plurality of fixing heads 7 are disposed on both left and right ends of the metal heat sink 1. The fixing head 7 has the same thickness as the metal heat sink 1. A screw hole 8 is disposed inside the fixing head 7. When installing this heat sink for a mobile phone speaker that can expand the sound effect, it is necessary to remove the back cover of the mobile phone, then attach the metal heat sink 1 to the back of the mobile phone, and it is necessary to ensure that the amplification cover A2 and the amplification cover B5 are respectively located below the two speakers of the mobile phone. Then, it is necessary to insert a screw into the screw hole 8 inside the fixing head 7 and tighten the screw, so that the metal heat sink 1 will be fixed on the back of the mobile phone. Then, reinstall the mobile phone case on the back of the mobile phone. When the mobile phone is running, the heat generated by the mobile phone components will be quickly transferred to the metal heat sink 1, and then the metal heat sink 1 will quickly dissipate the heat. When the mobile phone speaker is in power amplification, the generated sound will be transmitted through the amplification cover A2 and the amplification cover B5. Because the upper opening area of the amplification cover A2 and the amplification cover B5 is smaller than the lower opening area, when the sound passes through the amplification cover A2 and the amplification cover B5, the volume will be amplified through the conical structure, so as to achieve the purpose of expanding the sound effect.

[0021] Such as Figure 1 , Figure 2 , Figure 3 And Figure 4As shown, an enhanced heat dissipation device 6 is provided inside the middle section of the metal heat sink sheet 1. The enhanced heat dissipation device 6 includes a rectangular embedded window 9, a heat-conducting thin sheet 10, and heat dissipation fins 11. A rectangular embedded window 9 is provided inside the middle section of the metal heat sink sheet 1. A heat-conducting thin sheet 10 is fixed inside the rear end of the rectangular embedded window 9. The outer walls of the four sides of the heat-conducting thin sheet 10 are closely attached to the inner walls of the four sides of the rectangular embedded window 9. A plurality of heat dissipation fins 11 are densely arranged at equal intervals on the outer wall of the rear end of the heat-conducting thin sheet 10. Both the heat-conducting thin sheet 10 and the heat dissipation fins 11 are made of aluminum nitride. The outer wall of the rear end of the heat dissipation fins 11 is flush with the outer wall of the rear end of the metal heat sink sheet 1. The enhanced heat dissipation device 6 further includes carbon nanotubes 12 and graphene 13. There are a plurality of carbon nanotubes 12, and the plurality of carbon nanotubes 12 are densely arranged at equal intervals between the plurality of heat dissipation fins 11, and the carbon nanotubes 12 are fixed on the outer wall of the rear end of the heat-conducting thin sheet 10. Graphene 13 is filled and fixed inside each of the plurality of carbon nanotubes 12. The outer wall of the rear end of the carbon nanotubes 12 is flush with the outer wall of the rear end of the metal heat sink sheet 1. The outer walls of the left and right ends of the carbon nanotubes 12 are respectively attached to the adjacent heat dissipation fins 11. When the metal heat sink sheet 1 is installed on the back of the mobile phone, at this time the heat-conducting thin sheet 10 will be attached to the rear end of the mobile phone component. Because the heat-conducting thin sheet 10 is made of aluminum nitride, and the heat-conducting performance of aluminum nitride is better than that of the metal heat sink made of copper alloy, so it can absorb the heat generated by the mobile phone component more quickly, and transfer the absorbed heat to the heat dissipation fins 11 of the same material. The heat dissipation fins 11 can quickly diffuse and dissipate the absorbed and guided heat. Also, because a plurality of carbon nanotubes 12 are densely arranged between the plurality of heat dissipation fins 11, and graphene 13 is filled and fixed inside the carbon nanotubes 12, and the heat-conducting performance of the carbon nanotubes 12 and graphene 13 is better, so it can quickly absorb the heat absorbed by the heat-conducting thin sheet 10. Through the carbon nanotubes 12, graphene 13 and aluminum nitride with good heat dissipation performance, the heat generated by the mobile phone component can be quickly dissipated to increase the heat dissipation effect of the mobile phone.

[0022] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A heat sink material for a mobile phone speaker capable of amplifying sound effects, comprising a metal heat sink material (1) and metal fixing plates (3) arranged on the left and right sides of the bottom center of the metal heat sink material (1), the front ends of the two metal fixing plates (3) are respectively provided with a sound amplification cover A (2) and a sound amplification cover B (5), the metal heat sink material (1), the sound amplification cover A (2), the metal fixing plate (3) and the sound amplification cover B (5) are all made of copper alloy, characterized in that: An enhanced heat dissipation device (6) is provided inside the middle section of the metal heat dissipation sheet (1); The enhanced heat dissipation device (6) comprises a rectangular embedded window (9), a heat conductive sheet (10) and heat dissipation fins (11); a rectangular embedded window (9) is arranged inside the middle section of the metal heat dissipation sheet (1); a heat conductive sheet (10) is fixed inside the rear end of the rectangular embedded window (9); the outer wall around the heat conductive sheet (10) is tightly fitted with the inner wall around the rectangular embedded window (9); and a plurality of heat dissipation fins (11) are densely distributed at equal distances on the outer wall at the rear end of the heat conductive sheet (10).

2. The heat dissipation sheet material for a mobile phone speaker capable of amplifying sound effects according to claim 1, characterized in that: The heat-conducting sheet (10) and the heat-dissipating fin (11) are both made of aluminum nitride, and the rear end outer wall of the heat-dissipating fin (11) is flush with the rear end outer wall of the metal heat-dissipating sheet (1).

3. The heat dissipation sheet material for a mobile phone speaker capable of amplifying sound effects according to claim 2, characterized in that: The enhanced heat dissipation device (6) further comprises carbon nanotubes (12) and graphene (13), wherein a plurality of the carbon nanotubes (12) are provided, the plurality of the carbon nanotubes (12) are densely and evenly distributed between the plurality of heat dissipation fins (11), and the carbon nanotubes (12) are fixed on the rear end outer wall of the heat conductive sheet (10), and the graphene (13) is filled and fixed inside the plurality of the carbon nanotubes (12).

4. The heat dissipation sheet material for a mobile phone speaker capable of amplifying sound effects according to claim 3, characterized in that: The rear end outer wall of the carbon nanotube (12) is flush with the rear end outer wall of the metal heat dissipation sheet (1), and the left and right end outer walls of the carbon nanotube (12) are respectively attached to adjacent heat dissipation fins (11).

5. The heat dissipation sheet material for a mobile phone speaker capable of amplifying sound effects according to claim 1, characterized in that: A charging port reserved groove (4) is provided at the center of the bottom end of the metal heat dissipation sheet (1); the inner and outer walls of the sound amplifier cover A (2) and the sound amplifier cover B (5) are smooth and free of burrs; and the upper opening area of ​​the sound amplifier cover A (2) and the sound amplifier cover B (5) is smaller than the lower opening area.

6. The heat dissipation sheet material for a mobile phone speaker capable of amplifying sound effects according to claim 1, characterized in that: A plurality of fixing heads (7) are provided at both left and right ends of the metal heat dissipation sheet (1); the fixing heads (7) have the same thickness as the metal heat dissipation sheet (1); and screw holes (8) are provided inside the fixing heads (7).

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