Shell structure of charging accessory

Abstract

The invention relates to the field of charging accessories, in particular to a charging accessory shell structure which comprises an accessory body and a cooling shell, the cooling shell is tubular, a shell inner cavity is formed in the cooling shell, and the section of the shell inner cavity is closed; the accessory body is arranged in an inner cavity of the cooling shell, a cooling cavity is formed between the cooling shell and the outer surface of the accessory body, and the cooling cavity is arranged in a sealed mode and used for being filled with heat conduction media. The cooling structure of the charging accessory is convenient for an individual user to use.

Description

Technical Field

[0001] The present application relates to the field of charging accessories, and in particular to a shell structure of a charging accessory. Background Art

[0002] Charging accessories refer to various devices and components used to provide power supply for electronic devices such as mobile phones, tablets, laptops, etc., mainly including charging heads, charging harnesses, wireless chargers and power banks. These charging accessories are prone to heat up during high-power use.

[0003] In the existing related technologies, in order to alleviate the heating problem of charging accessories, a liquid cooling circulation pipeline is usually set inside the charging accessories, and the heat of the heating components (such as chips, batteries and resistors) is taken away by the refrigerant and the heat is dissipated into the atmosphere in the heat release area. For example, the utility model patent with the announcement number CN 221137686 U discloses a cooling charging harness and a charging cooling device having the same, including a fixed housing, a charging harness and a cooling channel, and the cooling efficiency is improved by conveying coolant into the cooling channel.

[0004] With regard to the above-mentioned related technologies, the circulation of the cooling channel needs to rely on external equipment (such as various circulation devices and air cooling devices) to be realized, which has poor portability and is troublesome to use, and is not convenient for individual users to use. Summary of the invention

[0005] In order to make the cooling structure of the charging accessory convenient for individual users to use, the present application provides a shell structure of the charging accessory.

[0006] The shell structure of a charging accessory provided in this application adopts the following technical solution: A shell structure of a charging accessory, comprising an accessory body and a cooling shell, wherein the cooling shell is arranged in a tubular shape, and an inner shell cavity is provided inside the cooling shell, and the cross section of the inner shell cavity is arranged in a closed manner; The accessory body is arranged inside the inner cavity of the cooling shell, and a cooling chamber is formed between the cooling shell and the outer surface of the accessory body. The cooling chamber is sealed and is used to fill the heat-conducting medium.

[0007] By adopting the above technical solution, when the charging accessory generates heat, the heat is transferred to the heat-conducting medium in the cooling chamber, and the heat dissipation area is increased by the heat-conducting medium, and the heat at the end near the wiring harness plug, which is more prone to heat, is transferred to the middle of the wiring harness more quickly, so that the heat is dissipated to the outside of the charging accessory more timely, thereby ensuring the heat dissipation effect. In addition, the heat-conducting medium coated on the outer peripheral surface of the charging accessory does not rely on an external circulation device, so it is convenient for individual users to use.

[0008] Optionally, the accessory body is a wiring harness.

[0009] By adopting the above technical solution, it is convenient to reduce the temperature of the wire harness core material during the charging process.

[0010] Optionally, the cooling chamber extends along the length direction of the accessory body, and the cooling chamber extends to the end of the cooling shell; The end of the cooling chamber is plugged with a blocking block, and the blocking block is used to make the cooling chamber airtight.

[0011] By adopting the above technical solution, the difficulty of sealing the cooling chamber can be reduced, thereby reducing the difficulty of production.

[0012] Optionally, two ends of the cooling chamber extend to two ends of the accessory body respectively.

[0013] The adoption of the above technical solution is helpful to improve the cooling effect of the cooling shell on the wiring harness.

[0014] Optionally, the accessory body is a charging head.

[0015] By adopting the above technical solution, the temperature of the charging head can be easily reduced during the charging process.

[0016] Optionally, two ends of the cooling shell extend to the pin end and the wiring end of the accessory body respectively.

[0017] The adoption of the above technical solution is helpful to improve the cooling effect of the cooling shell on the charging head.

[0018] Optionally, the accessory body is a power bank.

[0019] By adopting the above technical solution, it is convenient to reduce the temperature of the charging pack during the charging process.

[0020] Optionally, two ends of the cooling shell extend to two ends of the power bank body respectively.

[0021] The adoption of the above technical solution is helpful to improve the cooling effect of the cooling shell on the charging pack.

[0022] Optionally, the material of the cooling shell is flexible.

[0023] By adopting the above technical solution, the cooling shell can be easily fitted to charging accessories of different shapes, thereby ensuring the heat conduction efficiency between the charging accessories and the heat conduction medium.

[0024] Optionally, the cooling shell is fixedly connected to the outer surface of the accessory body.

[0025] The adoption of the above technical solution is beneficial to improving the connection strength between the cooling shell and the accessory body.

[0026] Optionally, the cooling shell is integrally formed with the outer surface of the accessory body.

[0027] The adoption of the above technical solution is helpful to reduce the difficulty of assembly for operators.

[0028] Optionally, the cooling shell is made of metal.

[0029] The adoption of the above technical solution is helpful to improve the heat dissipation effect of the cooling shell.

[0030] Optionally, the shell structure of the charging accessory also includes a heat conductor, which is provided with a heat absorbing end and a heat dissipating end, the heat absorbing end is located inside the charging head or the power bank, and the heat dissipating end contacts the heat conductive medium in the cooling chamber.

[0031] By adopting the above technical solution, the heat accumulated inside the charging accessory during operation is quickly transferred to the outside of the charging accessory through the heat conductive component, and dispersed and dissipated through the heat conductive medium, which is beneficial to improving the heat dissipation effect of the cooling structure.

[0032] Optionally, the heat absorbing end contacts a heating element of the accessory body.

[0033] By adopting the above technical solution, the heat generated during the operation of the heating element is directly transferred to the heat-conducting member and then directly transferred to the heat-conducting medium through the heat-conducting member, which is beneficial to further improve the heat dissipation effect of the cooling structure.

[0034] Optionally, a heat conduction cavity is provided at the heat dissipation end, and the heat conduction cavity is extended toward the location of the heat absorption end.

[0035] By adopting the above technical solution, the heat-conducting medium flows in the heat-conducting cavity, thereby increasing the contact area between the heat-conducting member and the heat-conducting medium through the heat-conducting cavity, which is beneficial to further improve the heat dissipation effect of the cooling structure.

[0036] Optionally, the surface area of ​​the heat dissipation end is greater than the surface area of ​​the heat absorption end.

[0037] By adopting the above technical solution, the contact area between the heat-conducting element and the heat-conducting medium is increased, which is beneficial to further improve the heat dissipation effect of the cooling structure.

[0038] Optionally, the heat-conducting medium is in liquid state and has insulating properties.

[0039] By adopting the above technical solution, the cooling shell is facilitated to bend and deform, and the damage to the charging accessories after the leakage of the heat-conducting medium is reduced.

[0040] Optionally, the cooling shell is light-transmissive, the heat-conducting medium is provided with indicator particles, and the color of the indicator particles changes when the temperature of the heat-conducting medium changes.

[0041] By adopting the above technical solution, it is convenient for individual users to judge the operating temperature of the charging accessories according to the color of the indicator particles.

[0042] In summary, the present application includes at least one of the following beneficial technical effects: 1. When the charging accessory generates heat, the heat is transferred to the heat-conducting medium in the cooling chamber, which increases the heat dissipation area and transfers the heat from the end near the wiring harness plug, which is more prone to heat, to the middle of the wiring harness more quickly, thereby dissipating the heat to the outside of the charging accessory in a more timely manner, thereby ensuring the heat dissipation effect. In addition, the heat-conducting medium coated on the outer surface of the charging accessory does not rely on an external circulation device, so it is convenient for individual users to use; 2. The heat accumulated inside the charging accessory during operation is quickly transferred to the outside of the charging accessory through the heat conductive member, and dispersed and dissipated through the heat conductive medium, thereby helping to improve the heat dissipation effect of the cooling structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is an overall schematic diagram of the accessory body type of embodiment 1 of the present application, which is a wiring harness.

[0044] Figure 2 It is a schematic diagram of the inner cavity of the shell of the accessory body type of embodiment 1 of the present application, which is a wiring harness.

[0045] Figure 3 It is a cross-sectional schematic diagram of the accessory body type of embodiment 1 of the present application, which is a wiring harness.

[0046] Figure 4 It is an overall schematic diagram of the accessory body type of embodiment 2 of the present application, which is a charging head.

[0047] Figure 5 It is a cross-sectional schematic diagram of the accessory body type of embodiment 2 of the present application, which is a charging head.

[0048] Figure 6 This is an overall schematic diagram of the accessory body type of Example 3 of the present application, which is a power bank.

[0049] Figure 7 It is a cross-sectional schematic diagram of the accessory body type of Example 3 of the present application, which is a power bank.

[0050] Figure 8 It is a cross-sectional schematic diagram of the accessory body type of Example 4 of the present application, which is a power bank.

[0051] Fig. 9It is a cross-sectional schematic diagram of the accessory body type of Example 5 of the present application, which is a power bank.

[0052] Explanation of the reference numerals: 1. accessory body; 2. cooling shell; 201. shell inner cavity; 202. cooling chamber; 21. sealing block; 3. first heat-conducting element; 31. first heat-absorbing end; 32. first heat-dissipating end; 4. second heat-conducting element; 41. second heat-absorbing end; 411. battery cavity; 42. second heat-dissipating end; 5. heat-conducting cavity. DETAILED DESCRIPTION

[0053] The following is combined with Figure 1-9 This application is described in further detail.

[0054] Embodiment 1: Embodiment 1 of the present application discloses a housing structure of a charging accessory. In the present application, a charging accessory refers to various devices that provide power supply for electronic devices, such as mobile phones, tablet computers, and laptop computers.

[0055] Reference Figure 1 and Figure 3 The shell structure of the charging accessory includes a cooling shell 2 and an accessory body 1. Specifically, in the embodiment 1 of the present application, the product type of the accessory body 1 is a rechargeable data cable for a smart phone.

[0056] The cooling shell 2 is tubular, and the two ends of the cooling shell 2 extend to the two ends of the accessory body 1 along the length direction of the accessory body 1, and the material of the cooling shell 2 is flexible. The cooling shell 2 has a shell inner cavity 201, and the cross section of the shell inner cavity 201 is closed. Specifically, in the embodiment of the present application, the material of the cooling shell 2 is silicone, and the cross section of the shell inner cavity 201 is a closed circular setting.

[0057] Reference Figure 3 The accessory body 1 is arranged inside the inner cavity of the cooling shell 2, and the cooling shell 2 is sleeved on the outer surface of the accessory body 1. A cooling chamber 202 is formed between the cooling shell 2 and the outer surface of the accessory body 1, and the cooling chamber 202 extends to the two ends of the accessory body 1 along the length direction of the accessory body 1, and the cooling chamber 202 is set through both ends of the accessory body 1. The ends of the cooling chamber 202 are plugged with a blocking block 21, so that the cooling chamber 202 is sealed by the blocking block 21. The cooling chamber 202 is filled with a heat-conducting medium, and the thermal conductivity of the heat-conducting medium is greater than 0.05 W / (m·K), so that the heat dissipated from the surface of the accessory body 1 can be quickly dispersed to various places of the heat-conducting medium, thereby increasing the heat dissipation area and improving the heat dissipation effect. The cooling shell 2 is flexible, the heat-conducting medium is liquid, and the heat-conducting medium has insulation, so that individual users can bend the accessory body 1 and reduce the damage to the charging accessories after the heat-conducting medium accidentally leaks.

[0058] The implementation principle of the shell structure of a charging accessory in the first embodiment of the present application is as follows: when the wire harness is heated, the heat is directly transferred to the heat-conducting medium in the cooling chamber 202, and the heat dissipation area is increased by the heat-conducting medium, so that the heat at the end near the wire harness plug, which is more prone to heat, is transferred to the middle of the wire harness more quickly, and then the heat is dissipated to the outside of the wire harness more promptly, thereby ensuring the heat dissipation effect. In addition, the heat-conducting medium coated on the outer peripheral surface of the wire harness does not rely on an external circulation device, so it is convenient for individual users to use.

[0059] Embodiment 2: Embodiment 2 of the present application discloses a shell structure of a charging accessory, and the main differences from Embodiment 1 are: the type of the accessory body 1 is different; the connection method of the cooling shell 2 to the accessory body 1 is different; and the material of the cooling shell 2 is different.

[0060] Reference Figure 4 and Figure 5 The type of accessory body 1 is a charging head, the cooling shell 2 is tubular, the material of the cooling shell 2 is metal, and the two ends of the cooling shell 2 extend to the pin end and the wiring end of the accessory body 1 respectively. The cooling shell 2 has a shell cavity 201, and the cross section of the shell cavity 201 is closed. Specifically, in the embodiment of the present application, the material of the cooling shell 2 is aluminum alloy, and the cross section of the shell cavity 201 is a closed rectangular setting.

[0061] The accessory body 1 is arranged inside the inner cavity of the cooling shell 2, and the cooling shell 2 is fixedly connected to the outer surface of the accessory body 1. The cooling shell 2 can be integrally connected to the accessory body 1 or fixedly connected to the accessory body 1 in an assembled manner. Specifically in Embodiment 2, the cooling shell 2 is fixed to the outer surface of the accessory body 1 in an adhesive assembly manner to reduce the difficulty of molding the cooling shell 2. A cooling chamber 202 is formed between the cooling shell 2 and the outer surface of the accessory body 1, and the cooling chamber 202 extends along the length direction of the accessory body 1 to the pin end and the wiring end of the accessory body 1, and the cooling chamber 202 is closed by the cooling shell 2 at the pin end and the wiring end of the accessory body 1.

[0062] Embodiment 3: Embodiment 3 of the present application discloses a shell structure of a charging accessory, which differs from Embodiment 1 in that: the type of the accessory body 1 is different; the material of the cooling shell 2 is different; the connection method between the cooling shell 2 and the accessory body 1 is different; and the material of the cooling shell 2 is different.

[0063] Reference Figure 6 and Figure 7The type of the accessory body 1 is a charging pack, the cooling shell 2 is tubular, the material of the cooling shell 2 is metal, and the two ends of the cooling shell 2 extend to the two ends of the accessory body 1 respectively. The cooling shell 2 has a shell inner cavity 201, and the cross section of the shell inner cavity 201 is closed. Specifically, in the embodiment of the present application, the material of the cooling shell 2 is aluminum alloy, and the cross section of the shell inner cavity 201 is a closed rectangular setting.

[0064] Reference Figure 4 , the accessory body 1 is arranged inside the inner cavity of the cooling shell 2, and the cooling shell 2 is fixedly connected to the outer surface of the accessory body 1. The cooling shell 2 can be integrally connected to the accessory body 1 or fixedly connected to the accessory body 1 in an assembled manner. Specifically in Embodiment 2, the cooling shell 2 is fixed to the outer surface of the accessory body 1 in an adhesive assembly manner to reduce the molding difficulty of the cooling shell 2. A cooling chamber 202 is formed between the cooling shell 2 and the outer surface of the accessory body 1, and the cooling chamber 202 extends along the length direction of the accessory body 1 to the two ends of the accessory body 1, and the cooling chamber 202 is closed by the cooling shell 2 at both ends of the accessory body 1.

[0065] Reference Figure 7 The shell structure of the charging accessory also includes a heat conducting member, which is provided with a heat absorbing end and a heat dissipating end. There are two types of heat conducting members, one of which is provided as a first heat conducting element 3, and the other is provided as a second heat conducting element 4.

[0066] The material of the first heat-conducting element 3 is metal and preferably copper, and the heat-absorbing end and the heat-dissipating end of the first heat-conducting element 3 are respectively set as the first heat-absorbing end 31 and the first heat-dissipating end 32, the first heat-absorbing end 31 is located inside the power bank, and the first heat-absorbing end 31 contacts the heating element of the power bank. In the present application, the heating element refers to: an internal element of the charging accessory that generates heat more obviously during operation, such as an integrated circuit element, an energy storage element, a light-emitting element, a resistor element, and an electric heating element. Therefore, by contacting the first heat-conducting element 3 that contacts the heating element, the heat generated by the heating element can be transferred to the first heat-conducting element 3. Specifically, in the embodiment of the present application, the first heat-absorbing end 31 contacts the chip inside the power bank to absorb the heat generated by the chip during operation.

[0067] In addition, in order to ensure the contact tightness between the first heat absorbing end 31 and the heating element, thermal conductive silicone grease can be filled in the first heat absorbing end 31 and the heating element to reduce the gap between the first heat absorbing end 31 and the heating element, thereby ensuring the heat conduction efficiency.

[0068] The first heat dissipation end 32 is located outside the power bank, and the surface area of ​​the first heat dissipation end 32 is greater than the surface area of ​​the first heat absorption end 31. The first heat dissipation end 32 contacts the heat conduction medium in the cooling chamber 202, so as to transfer the heat in the first heat conduction element 3 to the heat conduction medium, thereby expanding the heat dissipation area through the heat conduction medium, thereby improving the heat dissipation effect of the cooling structure.

[0069] The material of the second heat-conducting element 4 is metal, preferably copper. The heat-absorbing end and the heat-dissipating end of the second heat-conducting element 4 are respectively set as the second heat-absorbing end 41 and the second heat-dissipating end 42. The second heat-absorbing end 41 is provided with a plurality of battery cavities 411, and the energy storage batteries of the power bank are respectively located in each battery cavity 411. The gap between the cavity wall of the battery cavity 411 and the energy storage battery is filled with a heat-conducting filler, so that the energy storage battery can directly transfer the heat generated during the charging and discharging process to the second heat-absorbing end 41 or transfer it to the second heat-absorbing end 41 through the heat-conducting filler.

[0070] A plurality of second heat dissipation ends 42 are provided, and the plurality of second heat dissipation ends 42 are all in contact with the jacket shell and / or the heat-conducting medium, so as to transfer the heat in the second heat-conducting element 4 to the heat-conducting medium through the jacket shell, or directly to the heat-conducting medium, thereby expanding the heat dissipation area through the heat-conducting medium, thereby improving the heat dissipation effect of the cooling structure.

[0071] Specifically, in the embodiment of the present application, the cross-sections of the plurality of second heat dissipation ends 42 are all T-shaped, and the second heat dissipation ends 42 are all located inside the cooling chamber 202, so that the plurality of second heat dissipation ends 42 can directly transfer heat to the heat conductive medium inside the cooling chamber 202.

[0072] The implementation principle of the cooling structure of a charging accessory in Example 3 of the present application is: the heat of the chip inside the power bank is transferred to the heat-conducting medium through the first heat-conducting element 3, and the heat of the battery inside the power bank is transferred to the heat-conducting medium through the second heat-conducting element 4, so that the heat enclosed inside the power bank shell is transferred to the heat-conducting medium for heat dissipation.

[0073] Embodiment 4: Embodiment 4 of the present application discloses a housing structure of a charging accessory, which includes all the technical features of Embodiment 3 and further includes the following technical features: Reference Figure 8 The first heat dissipation end 32 is provided with a heat conduction cavity 5, and the heat conduction cavity 5 is extended toward the location of the first heat absorption end 31, so that the heat conduction medium can flow into the heat conduction cavity 5, thereby increasing the contact area between the first heat conduction element 3 and the heat conduction medium, thereby facilitating the first heat conduction element 3 to transfer heat to the heat conduction medium.

[0074] Embodiment 5: Embodiment 5 of the present application discloses a shell structure of a charging accessory, which mainly differs from Embodiment 3 in that: the first heat dissipation end 32 of the first heat-conducting element 3 contacts the heat-conducting medium in the cooling chamber 202 and is fixedly connected to the cooling shell 2, and the second heat dissipation end 42 of the second heat-conducting element 4 also contacts the heat-conducting medium in the cooling chamber 202 and is fixedly connected to the cooling shell 2.

[0075] The implementation principle of the cooling structure of a charging accessory in Example 5 of the present application is: by directly transferring part of the heat to the cooling shell 2 made of aluminum alloy, the heat dissipation effect is further increased.

[0076] Embodiment 6: Embodiment 5 of the present application discloses a housing structure of a charging accessory, which includes all the technical features of Embodiment 1 and further includes the following technical features: The jacket shell is light-transmissive and preferably colorless and transparent. The heat-conducting medium contains indicator particles, and the indicator particles are made of temperature-changing powder. The color of the indicator particles changes when the temperature of the heat-conducting medium changes, so that individual users can judge the operating temperature of the charging accessory according to the color of the indicator particles.

[0077] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A shell structure of a charging accessory, characterized in that: The accessory comprises an accessory body 1 and a cooling shell 2, wherein the cooling shell 2 is arranged in a tubular shape, and an inner shell cavity 201 is provided inside the cooling shell 2, and the cross section of the inner shell cavity 201 is arranged in a closed manner; The accessory body (1) is arranged inside the inner cavity of the cooling shell (2), and a cooling chamber (202) is formed between the cooling shell (2) and the outer surface of the accessory body (1). The cooling chamber (202) is sealed and is used to fill a heat-conducting medium.

2. The shell structure of a charging accessory according to claim 1, characterized in that: The type of the accessory body (1) is a wiring harness.

3. The shell structure of a charging accessory according to claim 2, characterized in that: The cooling chamber (202) extends along the length direction of the accessory body (1), and the cooling chamber (202) extends to the end of the cooling shell (2); A sealing block (21) is plugged into and fitted at the end of the cooling chamber (202), and the sealing block (21) is used to seal the cooling chamber (202).

4. The shell structure of a charging accessory according to claim 2, characterized in that: Two ends of the cooling chamber (202) extend to two ends of the accessory body (1) respectively.

5. The shell structure of a charging accessory according to claim 1, characterized in that: The type of the accessory body (1) is a charging head.

6. The shell structure of a charging accessory according to claim 5, characterized in that: Two ends of the cooling shell (2) extend to the pin end and the wiring end of the accessory body (1) respectively.

7. The shell structure of a charging accessory according to claim 1, characterized in that: The type of the accessory body (1) is a power bank.

8. The shell structure of a charging accessory according to claim 7, characterized in that: The two ends of the cooling shell (2) extend to the two ends of the power bank body respectively.

9. The shell structure of a charging accessory according to claim 2, characterized in that: The material of the cooling shell (2) is flexible.

10. A housing structure of a charging accessory according to claim 1, 2, 5 or 7, characterized in that: The cooling shell (2) is fixedly connected to the outer surface of the accessory body (1).

11. The housing structure of a charging accessory according to claim 10, characterized in that: The cooling shell (2) is integrally formed with the outer surface of the accessory body (1).

12. A housing structure of a charging accessory according to claim 5 or 7, characterized in that: The material of the cooling shell (2) is metal.

13. A housing structure of a charging accessory according to claim 5 or 7, characterized in that: It also includes a heat conducting member, which is provided with a heat absorbing end and a heat dissipating end, wherein the heat absorbing end is located inside the charging head or the power bank, and the heat dissipating end contacts the heat conducting medium in the cooling chamber (202).

14. The housing structure of a charging accessory according to claim 13, characterized in that: The heat absorbing end contacts the heating element of the accessory body (1).

15. The housing structure of a charging accessory according to claim 13, characterized in that: The heat dissipation end is provided with a heat conduction cavity (5), and the heat conduction cavity (5) is extended toward the location of the heat absorption end.

16. The housing structure of a charging accessory according to claim 13, characterized in that: The surface area of ​​the heat dissipation end is greater than the surface area of ​​the heat absorption end.

17. A housing structure of a charging accessory according to claim 1, 2, 5 or 7, characterized in that: The heat-conducting medium is in liquid state and has insulation properties.

18. A housing structure of a charging accessory according to claim 1, 2, 5 or 7, characterized in that: The cooling shell (2) is light-transmissive, and the heat-conducting medium is provided with indicator particles, the color of the indicator particles changes when the temperature of the heat-conducting medium changes.

Images