Heat dissipation device

Abstract

The utility model provides a heat dissipation device, which comprises a heat dissipation assembly and a seat body magnetically adsorbed on a back shell of a mobile phone, the heat dissipation assembly comprises a heat dissipation shell and a fan arranged in the heat dissipation shell, an air inlet and an air outlet are formed in the heat dissipation shell, the seat body comprises a diversion trench facing the mobile phone, the air inlet is covered on the seat body, and the fan is arranged in the diversion trench. The diversion trench is suitable for guiding airflow to flow through the mobile phone back shell and then enter the air inlet, and the fan is suitable for driving the airflow to flow from the air inlet to the air outlet to escape. According to the utility model, through the design of the fan and the diversion trench in the heat radiation housing, the air flow is effectively guided to uniformly flow through the back housing of the mobile phone, especially the area where the heating of the mobile phone is concentrated, so that the heat radiation efficiency is improved, the risk of local overheating is reduced, and the orderly flowing of the air flow is beneficial to reducing the wind resistance and reducing the turbulent flow and noise generated when the fan works.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat dissipation, and in particular relates to a heat dissipation device. Background Art

[0002] With the popularity of smart phones and the continuous improvement of their performance, mobile phones will generate a lot of heat when running large applications, games or using them for a long time, causing the device to overheat. Traditional heat dissipation methods, such as built-in heat dissipation materials in the phone case or using external fans, (1) the fans are mostly back-clip structures, which take up a lot of space and are not convenient to carry and use. At the same time, different models of mobile phones have different heating parts, and the cooling fans in the back-clip structure are mostly set in the center of the phone back case, which has poor flexibility. (2) In the case of air cooling, the airflow trajectory is messy, there are many vortices, the noise is loud, and the distribution is uneven, which may cause local overheating. In addition, the function is relatively simple. Utility Model Content

[0003] In view of the above-mentioned defects of the prior art, the purpose of the present invention is to provide a heat dissipation device to meet the needs of users.

[0004] In order to achieve the above object, the utility model provides a heat dissipation device, comprising

[0005] The heat dissipation assembly includes a heat dissipation housing and a fan arranged in the heat dissipation housing, wherein the heat dissipation housing is formed with an air inlet and an air outlet.

[0006] The base is magnetically attached to the back shell of the mobile phone, and the base includes a guide groove facing the mobile phone.

[0007] The air inlet cover is arranged on the base, the guide groove is suitable for guiding the air flow to flow through the back shell of the mobile phone into the air inlet, and the fan is suitable for driving the air flow from the air inlet to the air outlet for escape.

[0008] The integrated design of the guide groove and the base makes the contact between the heat dissipation device and the mobile phone closer, which helps to improve the heat conduction efficiency. At the same time, the structure is more compact and easy to install and use.

[0009] Preferably, the base includes a fixing portion, the fixing portion including an annular housing and a first magnetic member embedded in the annular housing. The first magnetic member is magnetically attached to a second magnetic member provided on the back of the mobile phone, or the first magnetic member is directly magnetically attached to the back of the mobile phone. The annular housing forms a vent suitable for connecting the guide groove and the air inlet. When the fixing portion is magnetically attached to the back of the mobile phone, the adsorption surface between the annular housing and the back of the mobile phone is not sealed, or the annular housing has a notch suitable for connecting to the guide groove.

[0010] Preferably, a folding bracket is further included, which is suitable for connecting the base and the heat dissipation component to form a foldable structure. In the unfolded state, the air outlet can be flipped to face the front of the mobile phone to cool the human body. In the folded state, the air inlet can be flipped to face the base.

[0011] Preferably, the heat dissipation housing is cylindrical, and the air inlet and the air outlet are respectively formed at two axial ends of the heat dissipation housing. The heat dissipation housing is suitable for supporting the mobile phone so that it stands obliquely on a table.

[0012] Preferably, the folding bracket includes a first folding unit and a second folding unit, the first folding unit is pivotally connected to the heat dissipation housing and the second folding unit respectively, and the second folding unit is slidably matched or pivotally connected to the base.

[0013] Preferably, one end of the first folding unit is pivotally connected to the heat dissipation housing via a first hinge assembly, the first hinge assembly comprising a first rotating shaft and a first damper sleeved on the first rotating shaft, the first damper being adapted to provide damping to enable the fan body to hover relative to the first folding unit. The other end of the first folding unit is pivotally connected to the second folding unit via a second hinge assembly, the second hinge assembly comprising a second hinge shaft and a second damper, the second damper being adapted to provide damping to enable the fan body to hover relative to the first folding unit.

[0014] The first rotating shaft and the second rotating shaft are both arranged parallel to the mobile phone. Through the design of the hinge assembly and the damping member, the user can easily adjust the position of the fan body to achieve hovering, which is easy to operate.

[0015] Preferably, the base body includes a receiving portion arranged along the radial direction of the annular shell, an adjustment groove suitable for receiving the second folding unit is formed in the receiving portion, the annular shell and the receiving portion are combined to form the vent, and the annular shell and / or the receiving portion are provided with the guide groove on the side facing the back shell of the mobile phone.

[0016] Preferably, the guide grooves are evenly arranged in parallel on the receiving portion, or the guide grooves are evenly arranged in radial shape on the annular shell, so that the appearance of the heat dissipation device is neater and more coordinated.

[0017] Preferably, it also includes a folding bracket pivotally connected to the base and the heat dissipation shell respectively. In the unfolded state, the heat dissipation shell can be flipped to support the mobile phone in an oblique standing state. In the folded state, the air inlet can be flipped to be set toward the base.

[0018] Preferably, the heat dissipation housing includes a support plane suitable for fitting onto a tabletop, thereby ensuring stability while having a simple and beautiful appearance.

[0019] Preferably, the heat dissipation shell is in the shape of a hollow circular cake, and includes an annular circumferential wall, a first end face and a second end face arranged at both ends of the annular circumferential wall, the first end face is arranged facing the base body, the first end face forms the air inlet, the annular circumferential wall forms the air outlet, and the second end face is flipped to provide a bracket.

[0020] The heat dissipation shell is designed to be cylindrical or hollow round cake-shaped, small in size, and easy to carry and use.

[0021] Preferably: the base body includes a rotating part, the rotating part is suitable for exposing the vent, and the rotating part is connected to the heat dissipation shell to drive the bracket to change direction; or, the second end face includes a rotating part, the bracket is pivotally connected to the rotating part, and the rotating part is suitable for driving the bracket to change direction.

[0022] The beneficial effects of the utility model are:

[0023] (1) Through the design of the fan and guide groove in the heat dissipation housing, the air flow is effectively guided to flow evenly through the back shell of the mobile phone, especially in the area where the heat of the mobile phone is more concentrated, thereby improving the heat dissipation efficiency and reducing the risk of local overheating. The orderly air flow helps to reduce wind resistance and reduce the turbulence and noise generated by the fan when working.

[0024] (2) The base can be detachably mounted on the back of the mobile phone and can be adapted to different models of mobile phones through magnetic adsorption or direct adsorption. This not only improves the heat dissipation efficiency and enhances the compatibility with mobile phones, but also enhances the flexibility and convenience of use, providing users with an efficient, practical and beautiful mobile phone heat dissipation solution.

[0025] (3) It includes a folding stand that can be unfolded or folded. The airflow direction can be adjusted as needed, which can cool down both mobile phones and the human body. Through the design of the hinge assembly and damping parts, the user can easily adjust the position of the fan body to achieve hovering, which is simple to operate.

[0026] (4) The heat dissipation housing can be flipped to support the mobile phone standing at an angle on the table, or the bracket can be flipped to support the mobile phone standing at an angle on the table, and can also be used as a mobile phone holder, so that one thing has multiple uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an exploded schematic diagram of a heat dissipation device provided in Example 1.

[0028] Figure 2 This is an exploded schematic diagram of the folding bracket provided in Example 1.

[0029] Figure 3This is a cross-sectional schematic diagram of the seat provided in Example 1.

[0030] Figure 4 A schematic diagram of the folded state of a heat dissipation device provided in Example 1.

[0031] Figure 5 This is a schematic diagram of the unfolded state of a heat dissipation device provided in Example 1.

[0032] In the figure: heat dissipation housing 101, fan 102, air inlet 103, air outlet 104, annular housing 105, first magnetic member 106, receiving portion 107, guide groove 108, vent 109, adjustment groove 110, first folding unit 112, second folding unit 113, first rotating shaft 114, first damping member 115, second hinge shaft 116, second damping member 117, positioning groove 118, positioning column 119. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] It should also be noted here that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme of the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0035] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0036] Example 1

[0037] like Figure 1-5A heat dissipation device includes a heat dissipation assembly, a base, and a foldable bracket. The foldable bracket is adapted to connect the base and heat dissipation assembly to form a foldable structure. The heat dissipation assembly includes a heat dissipation housing 101 and a fan 102 disposed within the heat dissipation housing 101. The heat dissipation housing 101 is formed with an air inlet 103 and an air outlet 104. The base includes a fixing portion and a receiving portion 107. The fixing portion includes an annular housing 105 and a first magnetic member 106 embedded within the annular housing 105. The first magnetic member 106 is magnetically attached to a second magnetic member provided on the back of a mobile phone, or the first magnetic member 106 is directly magnetically attached to the back of the mobile phone, thereby allowing the base shell to selectively attach to a heat-generating area for concentrated heat dissipation and cooling. The receiving portion 107 is radially disposed along the annular housing 105. The annular housing 105 and the receiving portion 107 enclose a vent 109 adapted to connect a guide groove 108 with the air inlet 103. A plurality of guide grooves 108 are evenly and parallelly arranged on the side of the receiving portion 107 facing the back of the mobile phone. In some other embodiments, the side of the annular shell 105 facing the back shell of the mobile phone is also evenly and radially arranged with a number of guide grooves 108. The integrated design of the guide grooves 108 and the base body makes the contact between the heat dissipation device and the mobile phone closer, which helps to improve the heat conduction efficiency. At the same time, the structure is more compact and easy to install and use. The folding bracket includes a first folding unit 112 and a second folding unit 113. The first folding unit 112 is pivotally connected to the heat dissipation shell 101 and the second folding unit 113 respectively, and the second folding unit 113 slides with the receiving portion 107. Furthermore, an adjustment groove 110 suitable for accommodating the second folding unit 113 is formed in the receiving portion 107. The adjustment groove 110 is provided with two positioning grooves 118 along the extension and contraction direction of the second folding unit 113. Two positioning columns 119 are provided on one end of the second folding unit 113 facing the adjustment groove 110. The positioning columns 119 are snap-fitted or tightly fitted with the positioning grooves 118 to adjust and lock the extended length of the second folding unit 113.

[0038] In the folded state, the air inlet 103 can be flipped to face the base. The air inlet 103 is covered by the base, and the fixing portion is magnetically attached to the back of the phone. The adsorption surface between the annular housing 105 and the back of the phone is not sealed. The guide groove 108 is suitable for guiding airflow through the back of the phone and then into the air inlet 103. The fan 102 is suitable for driving airflow from the air inlet 103 to the air outlet 104 for escape. In some other embodiments, the annular housing 105 has a notch suitable for connecting to the guide groove 108. In the unfolded state, the air outlet can be flipped to face the front of the phone to cool the human body.

[0039] In this embodiment, the heat dissipation housing 101 is cylindrical, and an air inlet 103 and an air outlet 104 are respectively formed at two axial ends of the heat dissipation housing 101 .

[0040] In some other embodiments, the air inlet 103 is directly connected to the annular housing 105 , and the heat dissipation housing 101 is suitable for supporting the mobile phone so that it stands obliquely on a table.

[0041] In this embodiment, one end of the first folding unit 112 is pivotally connected to the heat dissipation housing 101 via a first hinge assembly. The first hinge assembly includes a first rotating shaft 114 and a first damping member 115 mounted on the first rotating shaft 114. The first damping member 115 is suitable for providing damping to enable the fan body to hover relative to the first folding unit 112. The other end of the first folding unit 112 is pivotally connected to the second folding unit 113 via a second hinge assembly. The second hinge assembly includes a second hinge shaft 116 and a second damping member 117. The second damping member 117 is suitable for providing damping to enable the fan body to hover relative to the first folding unit 112. The first rotating shaft 114 and the second rotating shaft are both arranged parallel to the mobile phone. Through the design of the hinge assembly and the damping member, the user can easily adjust the position of the fan body to achieve hovering, which is easy to operate.

[0042] Example 2

[0043] A heat dissipation device, different from Example 1, further includes a foldable bracket pivotally connected to the base and heat dissipation housing 101. In the unfolded state, the heat dissipation housing 101 can be flipped to support a mobile phone in an upright position. In the folded state, the air inlet 103 can be flipped to face the base. Furthermore, the heat dissipation housing 101 includes a support surface suitable for contact with a tabletop, ensuring stability while maintaining a simple and aesthetically pleasing appearance.

[0044] Example 3

[0045] A heat dissipation device, compared to Example 1, differs in that the heat dissipation housing 101 is in the shape of a hollow circular cake, is small in size, and is easy to carry and use. The heat dissipation housing 101 includes an annular circumferential wall, a first end face and a second end face provided at both ends of the annular circumferential wall, the first end face is directly connected to the annular housing 105, an air inlet 103 is formed on the first end face, an air outlet 104 is formed on the annular circumferential wall, and a bracket is provided on the second end face in a flippable manner. The base includes a rotating portion, the rotating portion is suitable for exposing the vent 109, and the rotating portion is connected to the heat dissipation housing 101 to drive the bracket to change direction. In some other embodiments, the second end face includes a rotating portion, the bracket is pivotally connected to the rotating portion, and the rotating portion is suitable for driving the bracket to change direction.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A heat dissipation device, characterized in that: include The heat dissipation assembly includes a heat dissipation housing and a fan arranged in the heat dissipation housing, wherein the heat dissipation housing is formed with an air inlet and an air outlet. The base is magnetically attached to the back shell of the mobile phone, and the base includes a guide groove facing the mobile phone. The air inlet cover is arranged on the base, the guide groove is suitable for guiding the air flow to flow through the back shell of the mobile phone into the air inlet, and the fan is suitable for driving the air flow from the air inlet to the air outlet for escape.

2. A heat dissipation device according to claim 1, characterized in that: The base includes a fixing portion, the fixing portion includes an annular shell and a first magnetic member built into the annular shell, the first magnetic member is magnetically attracted to a second magnetic member preset on the back of the mobile phone, or the first magnetic member is directly magnetically attracted to the back of the mobile phone, and the annular shell participates in enclosing and forming a vent suitable for connecting the guide groove and the air inlet; When the fixing portion is magnetically attracted to the back shell of the mobile phone, the adsorption surface between the annular shell and the back shell of the mobile phone is not sealed, or the annular shell has a gap suitable for connecting to the guide groove.

3. A heat dissipation device according to claim 2, characterized in that: It also includes a folding bracket, which is suitable for connecting the base and the heat dissipation component to form a foldable structure. In the unfolded state, the air outlet can be flipped to face the front of the mobile phone to cool the human body. In the folded state, the air inlet can be flipped to face the base.

4. The heat dissipation device according to claim 3, characterized in that: The heat dissipation housing is cylindrical, and the air inlet and the air outlet are respectively formed at two axial ends of the heat dissipation housing. The heat dissipation housing is suitable for supporting a mobile phone so that it stands obliquely on a table.

5. The heat dissipation device according to claim 4, characterized in that: The folding bracket includes a first folding unit and a second folding unit. The first folding unit is pivotally connected to the heat dissipation housing and the second folding unit respectively. The second folding unit is slidably matched or pivotally connected to the base.

6. The heat dissipation device according to claim 5, characterized in that: The base body includes a receiving portion arranged along the radial direction of the annular shell, and an adjustment groove suitable for receiving the second folding unit is formed in the receiving portion. The annular shell and the receiving portion are combined to form the vent, and the annular shell and / or the receiving portion are provided with the guide groove on the side facing the back shell of the mobile phone.

7. The heat dissipation device according to claim 2, characterized in that: It also includes a folding bracket pivotally connected to the base and the heat dissipation shell respectively. In the unfolded state, the heat dissipation shell can be flipped to support the mobile phone in an oblique standing state. In the folded state, the air inlet can be flipped to face the base.

8. The heat dissipation device according to claim 7, characterized in that: The heat dissipation housing comprises a support plane suitable for fitting onto a table top.

9. The heat dissipation device according to claim 2, characterized in that: The heat dissipation shell is in the shape of a hollow circular cake, and includes an annular circumferential wall, a first end face and a second end face arranged at both ends of the annular circumferential wall, the first end face is arranged facing the base body, the first end face forms the air inlet, the annular circumferential wall forms the air outlet, and the second end face is flip-ably provided with a bracket.

10. The heat dissipation device according to claim 9, characterized in that: The base body includes a rotating part, which is suitable for exposing the vent, and the rotating part is connected to the heat dissipation shell to drive the bracket to change direction; or, the second end surface includes a rotating part, the bracket is pivotally connected to the rotating part, and the rotating part is suitable for driving the bracket to change direction.

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