Mobile phone heat dissipation device

Abstract

The utility model discloses a mobile phone heat radiation device, comprising a housing provided with a mobile phone fixing groove used for wrapping four corners of a mobile phone; the heat conducting sheet is arranged on the bottom groove wall of the mobile phone fixing groove and used for being attached to the back of the mobile phone; the heat dissipation assembly is arranged on the shell and comprises a refrigeration sheet, a heat transfer metal piece, a heat dissipation sheet and a fan, the cold end of the refrigeration sheet exchanges heat with the heat conduction sheet, the heat transfer metal piece is connected with the hot end of the refrigeration sheet and the heat dissipation sheet, and an air outlet of the fan discharges air towards the heat dissipation sheet. The mobile phone cover can have the function of a mobile phone cover, is more reliable to fix with the mobile phone, can effectively protect the mobile phone after being matched with the mobile phone, prevents the mobile phone from being damaged due to collision or falling, can remarkably improve the heat dissipation efficiency of the mobile phone, and is beneficial to improving the use performance of the mobile phone and improving the use experience of a user.

Description

Technical Field

[0001] The utility model relates to the field of mobile phone accessories, and particularly to a mobile phone heat dissipation device. Background Art

[0002] In recent years, with the development of technology, the performance of mobile phones has been significantly improved. Therefore, many mainstream games with high hardware performance requirements have been developed on the mobile phone side. Although the current mobile phone hardware can meet the smooth operation of such high-quality games, during the operation process, the heat generation of mobile phone hardware and batteries is still inevitable. When the mobile phone causes the hardware and the body to heat up due to full-load operation, the temperature on the back of the mobile phone can be as high as over 60 degrees. And the too high temperature will reduce the operation performance of the mobile phone itself, resulting in a relatively poor user experience. Content of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, an object of the utility model is to provide a mobile phone heat dissipation device, which can provide more efficient heat dissipation efficiency for the mobile phone and is beneficial to improving the use performance of the mobile phone.

[0004] The mobile phone heat dissipation device according to an embodiment of the utility model includes: a housing, which is provided with a mobile phone fixing groove for wrapping four corners of the mobile phone; a heat conducting sheet arranged on the bottom groove wall of the mobile phone fixing groove for fitting on the back of the mobile phone; a heat dissipation assembly arranged on the housing and including a refrigeration sheet, a heat transfer metal piece, a heat dissipation fin, and a fan. The cold end of the refrigeration sheet exchanges heat with the heat conducting sheet, the heat transfer metal piece connects the hot end of the refrigeration sheet and the heat dissipation fin, and the air outlet of the fan faces the heat dissipation fin to blow air.

[0005] For the mobile phone heat dissipation device according to an embodiment of the utility model, the whole machine can have the function of a mobile phone case through the mobile phone fixing groove of the housing, and the fixation with the mobile phone is more reliable. And after being combined with the mobile phone, it can effectively protect the mobile phone and avoid damage to the mobile phone due to collision or dropping. By setting the heat dissipation assembly to include a refrigeration sheet, a heat transfer metal piece, a heat dissipation fin, and a fan, the refrigeration efficiency of the refrigeration sheet can be improved. Furthermore, the cooperation between the refrigeration sheet and the heat conducting sheet can significantly improve the heat dissipation efficiency of the mobile phone, which is beneficial to improving the use performance of the mobile phone and enhancing the user experience.

[0006] In some embodiments of the utility model, the heat transfer metal piece includes: a heat transfer sheet fitting on the hot end of the refrigeration sheet; a heat transfer tube fitting on the side of the heat transfer sheet away from the refrigeration sheet, and one end of the heat transfer tube away from the heat transfer sheet is connected to the heat dissipation fin.

[0007] In some embodiments of the present utility model, the fan and the heat sink are arranged side by side along the width direction of the housing, and the fan, the heat transfer tube, the heat transfer fin and the refrigeration sheet are arranged in sequence along the thickness direction of the housing. One end of the heat transfer tube extends to the end face of the heat sink close to the mobile phone fixing groove.

[0008] In some embodiments of the present utility model, the heat sink is close to the long side of the housing and is provided with a plurality of heat dissipation channels perpendicular to the long side. The fan is a vortex fan, and the air outlet of the vortex fan is perpendicular to the long side and faces the heat dissipation channel.

[0009] In some embodiments of the present utility model, a first heat insulation plate is provided between the heat transfer metal part and the fan.

[0010] In some embodiments of the present utility model, the periphery of the refrigeration sheet is wrapped with a heat preservation layer.

[0011] In some embodiments of the present utility model, the heat conduction sheet includes: a first heat conduction part for fitting on the central area of the back of the mobile phone; a second heat conduction part for fitting on the area of the back of the mobile phone close to the camera.

[0012] In some embodiments of the present utility model, a receiving cavity is provided in the housing to communicate with the opening of the receiving cavity and the bottom groove wall. The cold end of the refrigeration sheet penetrates through the opening and fits on the heat conduction sheet. The refrigeration sheet, the heat transfer metal part, the heat sink and the fan are arranged in the receiving cavity.

[0013] In some embodiments of the present utility model, a second heat insulation plate is provided on one side of the heat dissipation assembly close to the top of the mobile phone fixing groove, and both ends of the second heat insulation plate are connected to opposite two cavity walls of the receiving cavity.

[0014] In some embodiments of the present utility model, the mobile phone heat dissipation device further includes: a battery arranged in the receiving cavity and electrically connected to the refrigeration sheet and the fan; a charging and discharging component arranged in the receiving cavity and electrically connected to the battery for charging the battery and the mobile phone.

[0015] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0016] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0017] Figure 1 It is an exploded view of the mobile phone heat dissipation device provided by the embodiment of the present utility model;

[0018] Figure 2 It is a schematic three-dimensional structure diagram of the mobile phone heat dissipation device provided by the embodiment of the present utility model;

[0019] Figure 3 It is a schematic partial structure diagram of the mobile phone heat dissipation device provided by the embodiment of the present utility model;

[0020] Figure 4 It is a schematic internal structure sectional view of the mobile phone heat dissipation device provided by the embodiment of the present utility model;

[0021] Figure 5 It is a schematic three-dimensional structure diagram of the heat sink provided by the embodiment of the present utility model;

[0022] Figure 6 It is a schematic three-dimensional structure diagram of the rear cover provided by one embodiment of the present utility model;

[0023] Figure 7 It is a schematic three-dimensional structure diagram of the rear cover provided by another embodiment of the present utility model.

[0024] Reference numerals:

[0025] 100, mobile phone heat dissipation device;

[0026] 10, housing;

[0027] 101, mobile phone fixing groove; 101a, bottom groove wall; 102, opening; 103, accommodating cavity; 104, cover plate bracket; 105, magnet; 106, hinge; 10a, air inlet; 10b, heat dissipation port; 10c, lens hole; 10d, opening; 11, main frame; 12, rear cover;

[0028] 20, heat conducting sheet;

[0029] 21, first heat conducting part; 22, second heat conducting part; 22a, camera avoiding hole;

[0030] 30, heat dissipation component;

[0031] 31, refrigeration sheet; 32, heat transfer metal part; 321, heat transfer sheet; 322, heat transfer pipe; 33, heat sink; 331, fin; 33a, heat dissipation channel; 34, fan; 35, thermal conductive silica gel sticker;

[0032] 40, battery; 50, charge and discharge component; 501, charging socket; 502, discharging socket; 61, first heat insulation board; 62, second heat insulation board; 70, cover plate; 80, fan fixing frame; 90, switch component. Detailed implementation manners

[0033] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where like or similar reference numerals denote like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0034] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0035] In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features, which are used to distinguish and describe features, without order or importance.

[0036] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0037] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "mounted", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0038] Next, reference is made to Figures 1-7 , to describe a mobile phone heat dissipation device 100 according to an embodiment of the present utility model.

[0039] As Figures 1 to 3As shown in the figure, the mobile phone heat dissipation device 100 according to the embodiment of the present utility model includes: a housing 10, a heat conduction sheet 20, and a heat dissipation component 30. The housing 10 is provided with a mobile phone fixing groove 101 for wrapping the four corners of the mobile phone; the heat conduction sheet 20 is arranged on the bottom groove wall 101a of the mobile phone fixing groove 101 for attaching to the back of the mobile phone; the heat dissipation component 30 is arranged on the housing 10 and includes a refrigeration sheet 31, a heat transfer metal piece 32, a heat sink 33, and a fan 34. The cold end of the refrigeration sheet 31 exchanges heat with the heat conduction sheet 20, the heat transfer metal piece 32 connects the hot end of the refrigeration sheet 31 and the heat sink 33, and the air outlet of the fan 34 blows air towards the heat sink 33.

[0040] In the above embodiment, by providing the mobile phone fixing groove 101, the housing 10 can also function as a mobile phone case and is used to be sleeved on the mobile phone. "The mobile phone fixing groove 101 is used to wrap the four corners of the mobile phone" can be understood as that the mobile phone fixing groove 101 can be a sunken groove provided on the housing 10, that is, the mobile phone fixing groove 101 has four groove walls, which can better wrap around the mobile phone on all sides, have better wrapping property for the mobile phone, and have more reliable cooperation with the mobile phone, reducing the probability of the mobile phone detaching from the housing 10 and playing a better protective role for the mobile phone. The mobile phone fixing groove 101 can also refer to a groove defined by multiple protruding structures on the housing 10. For example, four L-shaped protruding structures are provided at the four corners of the housing 10, which can also fix the four corners of the mobile phone and play the role of fixing and protecting the mobile phone. Of course, the above are only examples, and the setting method of the mobile phone fixing groove 101 is not limited to this and will not be elaborated here.

[0041] The heat conduction sheet 20 can refer to a sheet-like component that plays a role in conducting heat. The heat conduction sheet 20 can be made of a metal material with high thermal conductivity, such as but not limited to copper, aluminum, silver, etc. The heat conduction sheet 20 can also be made of a non-metallic material with good thermal conductivity, such as but not limited to graphite, ceramics, etc.

[0042] The refrigeration sheet 31 can refer to a semiconductor refrigeration component. After the refrigeration sheet 31 is powered on, one side is the cold end, which can absorb heat and generate cold, and the other side is the hot end, which can release heat.

[0043] The heat sink 33 can refer to a device that can dissipate heat efficiently, generally with multiple sheet-like structures. Exemplarily, as Figure 5 shown, the heat sink 33 has multiple fins 331. Exemplarily, the heat sink 33 can be a heat dissipation fin.

[0044] The heat-transfer metal part 32 can be a metal part with good heat conductivity. One end of the heat-transfer metal part 32 is connected to the Peltier cooler 31, and the other end is connected to the heat sink 33. Thus, the heat generated at the hot end of the Peltier cooler 31 can be quickly transferred to the heat sink 33. Since the air outlet of the fan 34 faces the heat sink 33 to blow air, the fan 34 can take away the heat of the heat sink 33 by blowing the air flow. Thus, the hot end of the Peltier cooler 31 can be quickly cooled, thereby improving the refrigeration efficiency of the cold end of the Peltier cooler 31, and further improving the heat exchange efficiency between the heat-conducting sheet 20 and the back of the mobile phone. That is to say, by adopting the above heat dissipation assembly 30, a relatively good heat dissipation effect can be brought based on the refrigeration characteristics of the Peltier cooler 31. And through the heat sink 33 and the heat-transfer metal part 32, the heat dissipation efficiency of the hot end of the Peltier cooler 31 can be improved, which is conducive to improving the refrigeration efficiency of the cold end of the Peltier cooler 31, and further enabling the overall heat dissipation assembly 30 to present a higher heat dissipation and cooling effect, so that the mobile phone heat dissipation device 100 has a higher heat dissipation efficiency for the mobile phone.

[0045] According to the mobile phone heat dissipation device 100 of the embodiment of the present invention, the whole machine can have the function of a mobile phone case through the mobile phone fixing groove 101 of the housing 10, and is more reliable in fixing with the mobile phone. And after being matched with the mobile phone, it can effectively protect the mobile phone and prevent the mobile phone from being damaged due to collision or falling. By arranging the heat dissipation assembly 30 to include a Peltier cooler 31, a heat-transfer metal part 32, a heat sink 33, and a fan 34, the heat-transfer metal part 32, the heat sink 33, and the fan 34 cooperate to quickly take away the heat of the hot end of the Peltier cooler 31, improve the refrigeration efficiency of the Peltier cooler 31, and further enable the Peltier cooler 31 and the heat-conducting sheet 20 to cooperate to significantly improve the heat dissipation efficiency of the mobile phone, which is beneficial to improving the use performance of the mobile phone and enhancing the user experience.

[0046] In some embodiments of the present invention, as Figure 1 shown, the heat-transfer metal part 32 includes a heat-transfer sheet 321 and a heat-transfer tube 322. The heat-transfer sheet 321 is attached to the hot end of the Peltier cooler 31; the heat-transfer tube 322 is attached to the side of the heat-transfer sheet 321 away from the Peltier cooler 31, and one end of the heat-transfer tube 322 away from the Peltier cooler 31 is connected to the heat sink 33.

[0047] In the above embodiment solution, both the heat-transfer sheet 321 and the heat-transfer tube 322 can be made of metal materials with good orientation, and can be, but not limited to, copper, aluminum, silver, etc.

[0048] The heat-transfer sheet 321 can be a sheet-shaped metal part, and the heat-transfer sheet 321 can completely cover the hot end of the Peltier cooler 31.

[0049] The heat transfer tube 322 may refer to a flat tube body, and there may be one or more heat transfer tubes 322. When there is one heat transfer tube 322, it may be a flat tube with a relatively large width. For example, the width of the flat tube may be equal to the width of the heat transfer fin 321. When there are multiple heat transfer tubes 322, the multiple heat transfer tubes 322 may be arranged side by side, and the sum of the widths of the multiple heat transfer tubes 322 may be equal to the width of the heat transfer fin 321 (see Figure 1 ). Optionally, the heat transfer tube 322 may be made of copper, and the heat transfer fin 321 is made of copper. Since copper has high thermal conductivity and relatively low material cost, using copper materials to make the heat transfer fin 321 and the heat transfer tube 322 can reduce the material cost of the mobile phone heat dissipation device 100.

[0050] In the above technical solution, the heat transfer fin 321 can increase the heat exchange surface area between the hot end of the refrigerating sheet 31 and the heat transfer tube 322 by being attached to the hot end of the refrigerating sheet 31 and the heat transfer tube 322. The inside of the heat transfer tube 322 can be evacuated and filled with a heat exchange medium (such as water, ammonia, acetone, etc.). High-efficiency heat transfer is achieved by using the evaporation and condensation phase change process of the working fluid inside the heat transfer tube 322, and through heat exchange with the heat sink 33, the heat can be quickly dissipated into the environment by means of the heat sink 33. Thus, the heat dissipation efficiency of the hot end of the refrigerating sheet 31 can be greatly improved, and the refrigerating efficiency of the cold end of the refrigerating sheet 31 can also be improved. Furthermore, the cooperation between the refrigerating sheet 31 and the heat conducting sheet 20 can improve the heat dissipation efficiency of the back of the mobile phone.

[0051] In some embodiments of the present invention, a heat-conducting adhesive is provided between the heat transfer fin 321 and the hot end of the refrigerating sheet 31, and between the heat transfer fin 321 and the heat transfer tube 322.

[0052] In this embodiment, the heat-conducting adhesive may be heat-conducting silica gel or a heat-conducting silica gel sticker 35 (see Figure 1 ). Through the heat-conducting adhesive, the heat transfer fin 321 and the hot end of the refrigerating sheet 31 can be in full contact, and the heat transfer fin 321 and the heat transfer tube 322 can be in full contact. Thus, the heat conduction efficiency can be improved, and further the heat dissipation efficiency of the hot end of the refrigerating sheet 31 can be improved.

[0053] In some embodiments of the present invention, as shown in Figure 1 and Figure 3 , the fan 34 and the heat sink 33 are arranged side by side along the width direction of the housing 10, and the fan 34, the heat transfer tube 322, the heat transfer fin 321, and the refrigerating sheet 31 are arranged in sequence along the thickness direction of the housing 10. One end of the heat transfer tube 322 extends to the end face of the heat sink 33 close to the mobile phone fixing groove 101.

[0054] The thickness direction of the housing 10 may refer to Figure 1 and Figure 3The front-back direction. In the above technical solution, the positional distribution of the heat sink 33, the fan 34, the heat transfer fin 321, the heat transfer tube 322, and the refrigeration chip 31 is more compact, making the overall volume of the heat dissipation assembly 30 relatively small. Through the fan 34, the heat of the heat transfer fin 321, the heat transfer tube 322, and the heat sink 33 can be quickly taken away in a short time, reducing the residence time of heat in the housing 10. Secondly, the above structure can also save the space inside the housing 10, which is conducive to reducing the overall volume of the device and facilitating the miniaturization of the entire device's volume.

[0055] In some embodiments of the present invention, such as Figure 3 shown, the heat sink 33 is close to the long side of the housing 10 and is provided with a plurality of heat dissipation channels 33a perpendicular to the long side. The fan 34 is a vortex fan, and the air outlet of the vortex fan is perpendicular to the long side and faces the heat dissipation channels 33a.

[0056] The long side of the housing 10 may refer to Figure 3 the side edges located at both ends in the left-right direction. Referring to Figure 3 , the heat sink 33 is arranged close to the right side of the housing 10.

[0057] The heat dissipation channels 33a may refer to the channels formed between any two adjacent fins 331 in the heat sink 33. When air flows through these multiple heat dissipation channels 33a, the heat can be quickly taken away, achieving a better heat dissipation effect.

[0058] In the above technical solution, the vortex fan can achieve one-side air outlet. Thus, the vortex fan can blow air on one side of the heat sink 33 to make the air quickly pass through the multiple heat dissipation channels 33a of the heat sink 33, thereby quickly taking away the heat from the heat sink 33, and thus quickly dissipating the heat of the hot end of the refrigeration chip 31, which can improve the overall heat dissipation efficiency of the heat dissipation assembly 30.

[0059] In some embodiments of the present invention, such as Figure 1 shown, a first heat insulation board 61 is provided between the heat transfer metal part 32 and the fan 34.

[0060] The first heat insulation board 61 may refer to a sheet-like component made of a material that can play a heat insulation role. The material of the first heat insulation board 61 can be an inorganic thermal insulation material, such as but not limited to rock wool, glass wool, aluminum silicate fiber, etc. The material of the first heat insulation board 61 can also be an organic thermal insulation material, such as but not limited to polyurethane foam plastic, polyethylene foam plastic, etc. The material of the first heat insulation board 61 can also be a composite thermal insulation material, such as but not limited to aerogel, vacuum insulation panel, etc. In this embodiment, the material of the first heat insulation board 61 is not specifically limited.

[0061] When heat exchange occurs between the heat transfer metal part 32 and the hot end of the refrigerating sheet 31, the temperature of the heat transfer metal part 32 is relatively high. Therefore, the first heat insulation plate 61 can play a role in isolating heat transfer between the heat transfer metal part 32 and the fan 34, avoiding the influence of the high temperature of the heat transfer metal part 32 on the fan 34 and preventing the air blown by the fan 34 to the heat sink 33 from having a high temperature and being unable to effectively dissipate heat from the heat sink 33.

[0062] In some embodiments of the present utility model, the peripheral side of the refrigerating sheet 31 is wrapped with a heat insulation layer.

[0063] The heat insulation layer may refer to a heat insulation material arranged in a circle around the refrigerating sheet 31. The material of the heat insulation layer can refer to the first heat insulation plate 61 described above and will not be elaborated here.

[0064] In the above technical solution, the heat insulation layer can play a heat insulation role on the peripheral side of the refrigerating sheet 31, making the cold generated at the cold end of the refrigerating sheet 31 not easily lost to the surroundings, preventing the heat transferred from the outside to the housing 10 from exchanging heat with the cold end of the refrigerating sheet 31, so that the cold at the cold end of the refrigerating sheet 31 can fully exchange heat with the heat conducting sheet 20, thereby improving the heat dissipation efficiency.

[0065] In some embodiments of the present utility model, as Figure 1 shown, the heat conducting sheet 20 includes a first heat conducting part 21 and a second heat conducting part 22. The first heat conducting part 21 is used to be attached to the central area of the back of the mobile phone; the second heat conducting part 22 is used to be attached to the area near the camera on the back of the mobile phone.

[0066] It can be understood that the heat generating positions of the mobile phone generally mainly concentrate in two positions. One is the position where the built-in battery of the mobile phone is located, and the other is the position where the hardware (such as a chip) of the mobile phone is located. Since the distribution of each component inside the existing mobile phone has been solidified, the built-in battery of the mobile phone is generally set at the central position of the back of the mobile phone, and the hardware is arranged around the camera on the back of the mobile phone. In the above embodiment, the first heat conducting part 21 refers to the center position arranged in the fixing groove 101 of the mobile phone, which can dissipate heat from the central area of the back of the mobile phone, that is, dissipate heat from the position where the mobile phone battery is located. The second heat conducting part 22 is arranged in the upper part area of the mobile phone fixing groove 101 and can dissipate heat from the position where the heat generating components on the back of the mobile phone are located.

[0067] That is to say, by setting the heat conducting sheet 20 to include the first heat conducting part 21 and the second heat conducting part 22, on the one hand, the heat conducting sheet 20 has a larger area, can cover a larger area of the back of the mobile phone, and improves the heat dissipation efficiency. On the other hand, the first heat conducting part 21 and the second heat conducting part 22 can conduct targeted heat dissipation on the main heat dissipation positions of the mobile phone, further improving the heat dissipation efficiency, thereby effectively reducing the temperature rise during the operation of the mobile phone and significantly improving the performance of the mobile phone.

[0068] Optionally, the second heat conducting part 22 may be provided on one side of the first heat conducting part 21 in the length direction of the housing 10. The length direction of the housing 10 may refer to Figure 1 the up-down direction. That is to say, the main heat generating components of the mobile phone may be arranged on one side of the mobile phone camera. Therefore, the second heat conducting part 22 may be provided on one side of the first heat conducting part 21. For example, the second heat conducting part 22 is provided on the left or right side of the first heat conducting part 21, and the first heat conducting part 21 and the second heat conducting part 22 are integrally in an L shape.

[0069] Optionally, the second heat conducting part 22 may be provided on both sides of the first heat conducting part 21 in the length direction of the housing 10. Referring to the above, the hardware of the mobile phone may also be arranged on both sides of the mobile phone camera. Therefore, the second heat conducting part 22 may be provided on both sides of the first heat conducting part 21. For example, the second heat conducting part 22 may be provided on both the left and right sides of the first heat conducting part 21, and the first heat conducting part 21 and the second heat conducting part 22 are integrally in a U shape.

[0070] Optionally, the second heat conducting part 22 may also be rectangular and directly cover the position where the camera is located on the back of the mobile phone.

[0071] In some embodiments of the present utility model, as Figure 1 shown, the second heat conducting part 22 is connected to the first heat conducting part 21, and the second heat conducting part 22 is provided with a camera avoidance hole 22a.

[0072] Since most mobile phone cameras are generally convexly arranged, by providing the camera avoidance hole 22a on the second heat conducting part 22, the protruding camera can be avoided, so that the second heat conducting part 22 can better fit around the mobile phone camera and make full contact with the back of the mobile phone for heat dissipation, thereby better dissipating heat from the surrounding position of the mobile phone camera.

[0073] Referring to the previous examples, when there are two second heat conducting parts 22 and they are integrally in a U shape with the first heat conducting part 21, a camera avoidance hole 22a is jointly formed between the two second heat conducting parts 22 and the first heat conducting part 21. When the second heat conducting part 22 is rectangular, the camera avoidance hole 22a may be a hole directly formed on the second heat conducting part 22 (see Figure 1 ).

[0074] Optionally, the camera avoidance hole 22a may be, but is not limited to, a round hole, a square hole, an oval hole, etc.

[0075] In some embodiments of the present utility model, as Figure 1 、 Figure 3 and Figure 4As shown in the figure, an accommodation cavity 103 is provided inside the housing 10, and an opening 102 is provided to connect the accommodation cavity 103 and the bottom groove wall 101a. The cold end of the refrigeration chip 31 passes through the opening 102 and is attached to the heat conduction fin 20. The refrigeration chip 31, the heat transfer metal part 32, the heat sink 33, and the fan 34 are arranged in the accommodation cavity 103.

[0076] It can be understood that the refrigeration chip 31, the heat transfer metal part 32, the heat sink 33, and the fan 34 are all placed inside the housing 10, which can play a role in protecting the refrigeration chip 31, the heat transfer metal part 32, the heat sink 33, and the fan 34, and can better fix the above components to prevent the above components from detaching from the housing 10. On the other hand, placing the above components inside the housing 10 can also make the overall mobile phone heat dissipation device 100 more beautiful, with a more concise appearance, and is convenient for users to use.

[0077] Optionally, as Figure 1 , Figure 3 , Figure 6 and Figure 7 shown, the housing 10 is provided with an air inlet 10a and a heat dissipation outlet 10b that communicate with the accommodation cavity 103. The air inlet 10a is close to the fan 34, and the heat dissipation outlet 10b is close to the heat sink 33.

[0078] Optionally, the air inlet 10a is provided on the back of the housing 10. The back of the housing 10 has a relatively large area and fewer components, which is convenient for opening the air inlet 10a and has good manufacturability.

[0079] Optionally, the air inlet 10a can be a rectangular grid hole (see Figure 6 ), a circular grid hole (see Figure 7 ), etc.

[0080] In some embodiments of the present invention, as Figures 1 to 3 shown, the second heat conduction part 22 is provided with a camera avoidance hole 22a. The housing 10 is provided with an opening 10d that communicates with the accommodation cavity 103 and the mobile phone fixing groove 101. The housing 10 is provided with a lens hole 10c that communicates with the accommodation cavity 103 and a cover plate 70 that can cover the lens hole 10c. The lens hole 10c, the opening 10d, and the camera avoidance hole 22a correspond to each other.

[0081] Through the lens hole 10c, the opening 10d, and the camera avoidance hole 22a, the mobile phone heat dissipation device 100 can ensure that the mobile phone camera can perform normal imaging work during use, ensuring the functionality of the mobile phone. The cover plate 70 can open the lens hole 10c when the mobile phone needs the camera to work and close the lens hole 10c when the camera does not need to work, thereby reducing the entry of dust and other impurities into the housing 10, which is beneficial to ensuring that the internal components of the housing 10 can work in a good working environment, and is also beneficial to keeping the mobile phone camera always clean, so that clearer images can be captured when the mobile phone camera works, which can improve the user experience.

[0082] Optionally, the openable and closable manner of the cover plate 70 and the housing 10 may be, but is not limited to, a magnetic attraction manner, a hinge manner, a latch manner, etc. Optionally, the shapes of the lens hole 10c and the cover plate 70 may be, but are not limited to, circular, square, oval, etc. Exemplarily, as Figure 5 shown, the shapes of the lens hole 10c and the cover plate 70 are square.

[0083] In some embodiments of the present utility model, as Figures 1 to 4 , Figure 6 , Figure 7 shown, the housing 10 includes a main frame 11 and a rear cover 12. The main frame 11 is provided with a mobile phone fixing groove 101, and a receiving groove is provided on a side of the main frame 11 away from the mobile phone fixing groove 101. The rear cover 12 is covered on the side of the main frame 11 where the receiving groove is provided, and together with the main frame 11, a receiving cavity 103 is defined.

[0084] By setting the housing 10 as the main frame 11 and the rear cover 12, it is convenient to assemble the refrigeration sheet 31, the heat transfer sheet 321, the fan 34, the battery 40, and the charging and discharging component 50.

[0085] Optionally, as Figures 1 to 3 , the heat dissipation port 10b, the opening 10d, and the opening 102 are provided on the main frame 11. As Figure 1 , Figure 6 and Figure 7 shown, the air inlet 10a and the cover plate 70 are provided on the rear cover 12.

[0086] Optionally, the connection manner between the main frame 11 and the rear cover 12 may be, but is not limited to, screw connection, snap connection, and magnetic attraction connection.

[0087] Optionally, as Figure 6 and Figure 7 shown, a cover plate support 104, a magnet 105, and a hinge 106 are provided on a side of the main frame 11 close to the receiving groove and close to the lens hole 10c. The cover plate 70 can abut against the cover plate support 104, be magnetically attracted to the magnet 105, and the hinge 106 is pivotally connected to the cover plate 70 and the rear cover 12. By adopting this manner, the cover plate 70 can be opened or closed to the lens hole 10c, the operation is simple, and the cover plate 70 is more firmly fixed on the rear cover 12.

[0088] In some embodiments of the present utility model, as Figure 1 and Figure 3 shown, the mobile phone heat dissipation device 100 further includes a fan fixing bracket 80. The fan fixing bracket 80 is connected to the main frame 11, and the fan 34 is provided on the fan fixing bracket 80. By providing the fan fixing bracket 80, it is convenient to fix the fan 34, which is beneficial to improving the installation reliability of the fan 34.

[0089] In some embodiments of the present utility model, a second heat insulation plate 62 is provided on one side of the heat dissipation assembly 30 close to the top of the mobile phone fixing groove 101, and both ends of the second heat insulation plate 62 are connected to opposite two chamber walls of the accommodation chamber 103.

[0090] The second heat insulation plate 62 may refer to a plate made of a material that can play a role in isolating heat transfer. Its material may be the same as that of the first heat insulation plate 61 and the heat preservation layer described above, which will not be elaborated here.

[0091] Both ends of the second heat insulation plate 62 are connected to opposite two chamber walls of the accommodation chamber 103, thereby separating the heat dissipation assembly 30 from the area where the mobile phone camera is located, reducing the high temperature diffusion of the heat transfer metal part 32 and the heat sink 33 to other areas of the housing 10, and avoiding the situation where heat cannot be taken away in time, thus affecting the overall heat dissipation efficiency of the device.

[0092] It can be understood that since the heat of the heat transfer metal part 32 and the heat sink 33 is relatively high, and the second heat conduction part 22 needs to dissipate heat around the camera on the back of the mobile phone, the second heat insulation plate 62 can separate the area where the second heat conduction part 22 is located from the area where the heat dissipation assembly 30 is located, avoiding the diffusion of the heat transfer metal part 32 and the heat sink 33 to the position where the second heat conduction part 22 is located, and reducing the influence of the heat dissipated by the heat transfer sheet 321 on the heat dissipation of the second heat conduction part 22, so that the second heat conduction part 22 can maintain a good heat dissipation effect on the area around the camera of the mobile phone.

[0093] In some embodiments of the present utility model, as Figure 1 、 Figure 3 shown, the mobile phone heat dissipation device 100 further includes a battery 40 and a charge and discharge component 50. The battery 40 is arranged in the accommodation chamber 103 and is electrically connected to the refrigeration sheet 31 and the fan 34; the charge and discharge component 50 is arranged in the accommodation chamber 103 and is electrically connected to the battery 40, and can charge the battery 40 and the mobile phone.

[0094] In some embodiments of the present utility model, as Figure 1 、 Figure 2 and Figure 3 shown, the mobile phone heat dissipation device 100 further includes a switch component 90 and a control board (not shown in the figure). The switch component 90 is electrically connected to the control board, and the control board is electrically connected to the refrigeration sheet 31, the fan 34 and the charge and discharge component 50. Through the switch component 90 and the control board, the refrigeration sheet 31 and the fan 34 can be controlled to be turned on or off, and the charge and discharge component 50 can also be controlled to make the battery 40 supply power to the mobile phone and the charge and discharge component 50 charge the battery 40.

[0095] Optionally, the switch component 90 may be, but is not limited to, a push button switch, a rotary switch, a push-pull switch, a touch switch, a voice control switch, etc.

[0096] In some embodiments of the present utility model, asFigure 1 , Figure 2 , Figure 3 As shown in Figure 3 , the charge and discharge component 50 is provided with a charging socket 501 and a discharging socket 502. The charging socket 501 can be used to connect a wire harness to charge the battery 40, and the discharging socket 502 can be connected to the interface of a mobile phone through a wire harness to charge the mobile phone.

[0097] In the description of this specification, the descriptions with reference to the terms "some embodiments", "optionally", "further", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0098] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A mobile phone heat dissipation device, characterized in that, Comprising: A housing, which is provided with a mobile phone fixing groove for wrapping the four corners of the mobile phone. A heat conducting sheet, which is arranged on the bottom groove wall of the mobile phone fixing groove and is used for attaching to the back of the mobile phone. A heat dissipation assembly, which is arranged on the housing and includes a Peltier element, a heat transfer metal part, a heat sink, and a fan. The cold end of the Peltier element exchanges heat with the heat conducting sheet, the heat transfer metal part connects the hot end of the Peltier element and the heat sink, and the air outlet of the fan faces the heat sink to blow air.

2. The mobile phone heat dissipation device according to claim 1, characterized in that, The heat transfer metal part includes: A heat transfer sheet, which is attached to the hot end of the Peltier element. A heat transfer tube, which is attached to the side of the heat transfer sheet away from the Peltier element, and one end of the heat transfer tube away from the heat transfer sheet is connected to the heat sink.

3. The mobile phone heat dissipation device according to claim 2, characterized in that, The fan and the heat sink are arranged side by side along the width direction of the housing, and the fan, the heat transfer tube, the heat transfer sheet, and the Peltier element are arranged in sequence along the thickness direction of the housing. One end of the heat transfer tube extends to the end face of the heat sink close to the mobile phone fixing groove.

4. The mobile phone heat dissipation device according to claim 3, wherein, The heat sink is close to the long side of the housing and is provided with a plurality of heat dissipation channels perpendicular to the long side. The fan is a vortex fan, and the air outlet of the vortex fan is perpendicular to the long side and faces the heat dissipation channels.

5. The mobile phone heat dissipation device according to claim 1, characterized in that, A first heat insulation board is arranged between the heat transfer metal part and the fan.

6. The mobile phone heat dissipation device according to claim 1, characterized in that The periphery of the Peltier element is wrapped with a heat insulation layer.

7. The mobile phone heat dissipation device according to claim 1, characterized in that The heat conducting sheet includes: A first heat conducting part, which is used for attaching to the central area of the back of the mobile phone. A second heat conducting part, which is used for attaching to the area of the back of the mobile phone close to the camera.

8. The mobile phone heat dissipation device according to claim 7, characterized in that, An accommodation cavity is arranged in the housing, and an opening communicating the accommodation cavity and the bottom groove wall is provided. The cold end of the Peltier element passes through the opening and is attached to the heat conducting sheet. The Peltier element, the heat transfer metal part, the heat sink, and the fan are arranged in the accommodation cavity.

9. The mobile phone heat dissipation device according to claim 8, wherein, A second heat insulation board is arranged on the side of the heat dissipation assembly close to the top of the mobile phone fixing groove, and both ends of the second heat insulation board are connected to the opposite two cavity walls of the accommodation cavity.

10. The mobile phone heat dissipation device according to claim 8, characterized in that, The mobile phone heat dissipation device further includes: A battery, which is arranged in the accommodation cavity and is electrically connected to the Peltier element and the fan. A charging and discharging component, which is arranged in the accommodation cavity and is electrically connected to the battery and can charge the battery and the mobile phone.

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