CN222852016U

CN222852016U - Power Bank

Info

Publication number: CN222852016U
Application number: CN202420649275.7U
Authority: CN
Inventors: 谢新平; 邓勇刚; 郑义成
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2024-03-28
Filing date: 2024-03-28
Publication date: 2025-05-09
Anticipated expiration: 2034-03-28

Abstract

The utility model discloses a mobile power supply, including a shell and a power supply module and a charging module arranged in the shell, the power supply module including a battery cell and a first circuit board electrically connected to the battery cell, the charging module including a charging structure and a second circuit board electrically connected to the charging structure, the second circuit board being electrically connected to the first circuit board and spaced apart from each other. By arranging the first circuit board and the second circuit board inside the shell, the battery cell and the charging structure being electrically connected to the first circuit board and the second circuit board respectively, the first circuit board and the second circuit board will both generate heat during the use of the mobile power supply, so as to disperse the heat source and avoid the situation where the mobile power supply is locally overheated, and at the same time, since the first circuit board and the second circuit board are spaced apart from each other, the gap between the two can form a heat dissipation channel, which is conducive to improving the heat dissipation effect of the first circuit board and the second circuit board.

Description

Mobile power supply

Technical Field

The utility model relates to the technical field of charging equipment, in particular to a mobile power supply.

Background

The portable power source is a device which can be carried about to help people charge electronic products such as mobile phones outdoors, and the volume of the portable power source is not too large for the convenience of carrying by users, so that the internal installation space of the portable power source is limited. The circuit board can produce a large amount of heat in the course of the work of portable power source, if can not in time arrange the heat away, can influence portable power source's charging efficiency and life.

However, in the conventional portable power source, because of the limitation of the installation space, the electrical components are usually integrated on a circuit board, so that the distance between the electrical components is small, and the heat dissipation efficiency of the electrical components is seriously affected.

Disclosure of utility model

In view of the above, the present utility model provides a mobile power supply to solve the above-mentioned problems.

The application provides a mobile power supply, which comprises a shell, a power supply module and a charging module, wherein the power supply module and the charging module are arranged in the shell, the power supply module comprises a battery cell and a first circuit board electrically connected with the battery cell, the charging module comprises a charging structure and a second circuit board electrically connected with the charging structure, and the second circuit board is electrically connected with the first circuit board and is arranged at intervals.

In some embodiments, the first circuit board and the second circuit board are located on the same side of the battery cell and are arranged at intervals in the thickness direction of the mobile power supply.

In some embodiments, a support is disposed between the first circuit board and the second circuit board.

In some embodiments, a heat conducting member is disposed inside the housing, and the heat conducting member is in heat conducting connection with the battery cell.

In some embodiments, the housing includes a thermally conductive shell, and the thermally conductive member is in thermally conductive connection with the thermally conductive shell.

In some embodiments, the thermally conductive member includes a main body portion in thermally conductive connection with the battery cell and an extension portion extending from an outer side of the main body portion in a direction away from the battery cell, the extension portion being in thermally conductive connection with the thermally conductive housing.

In some embodiments, the portable power source further comprises a bracket disposed outside the heat conducting housing, and the bracket is rotatably connected with the heat conducting housing.

In some embodiments, the bracket is in thermally conductive connection with the thermally conductive housing.

In some embodiments, the extension is in thermally conductive connection with the thermally conductive housing proximate the bracket.

In some embodiments, a separator is disposed on a side of the battery cell away from the heat conducting member, and the charging structure is disposed on a side of the separator away from the battery cell.

In some embodiments, the heat conducting member includes a heat transfer layer, and a glue layer and a nano heat dissipation material layer respectively disposed on two opposite sides of the heat transfer layer, where the glue layer is attached and fixed to the outer side of the electric core.

In some embodiments, the charging structure includes a wireless charging coil electrically connected to the second circuit board.

According to the mobile power supply provided by the utility model, the first circuit board and the second circuit board are arranged in the shell, the battery core and the charging structure are respectively and electrically connected with the first circuit board and the second circuit board, and the first circuit board and the second circuit board can generate heat in the use process of the mobile power supply so as to achieve the effect of dispersing a heat source, so that the situation that the mobile power supply is overheated locally is avoided, and meanwhile, as the first circuit board and the second circuit board are mutually spaced, a heat dissipation channel can be formed in a gap between the first circuit board and the second circuit board, and the heat dissipation effect of the first circuit board and the second circuit board is improved.

Drawings

Fig. 1 is a schematic structural diagram of a portable power source according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the mobile power supply shown in FIG. 1;

FIG. 3 is a schematic view of the portable power source of FIG. 1 with the housing removed;

FIG. 4 is a schematic view of the mobile power supply shown in FIG. 3 with the housing removed from the mobile power supply;

fig. 5 is an exploded view of the housing shown in fig. 1.

10 Parts of mobile power supply, 12 parts of shell, 14 parts of battery core, 16 parts of first circuit board, 18 parts of charging structure, 20 parts of second circuit board, 22 parts of magnetic part, 24 parts of first installation position, 26 parts of second installation position, 28 parts of control key, 30 parts of support part, 32 parts of heat conducting part, 34 parts of heat conducting shell, 36 parts of main body part, 38 parts of extension part, 39 parts of support, 40 parts of storage part, 41 parts of handle button, 42 parts of cover body, 44 parts of cover plate, 46 parts of side plate, 48 parts of elastic clamping part, 50 parts of protection layer, 52 parts of separation part.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, rear, inner, outer, top, bottom, and the like) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components and the like under a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed.

It will also be understood that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1 to 5, a portable power source 10 according to an embodiment of the present utility model includes a housing 12, a power supply module and a charging module disposed in the housing 12, wherein the power supply module includes a battery cell 14 and a first circuit board 16 electrically connected to the battery cell 14, the charging module includes a charging structure 18 and a second circuit board 20 electrically connected to the charging structure 18, and the first circuit board 16 and the second circuit board 20 are electrically connected and spaced apart from each other. The battery cell 14 is used for providing electric energy, and the charging structure 18 is used for being matched with electronic equipment such as a mobile phone and the like, so that the electronic equipment is charged by the battery cell 14. Through set up first circuit board 16 and second circuit board 20 inside shell 12, electric core 14 and charging structure 18 are connected with first circuit board and second circuit board 20 electricity respectively, portable power source 10 all can produce the heat at first circuit board 16 and second circuit board 20 in the use, through setting up into two circuit boards in order to play the effect of dispersed heat source, avoid portable power source 10 local overheated condition to appear, simultaneously because first circuit board 16 and second circuit board 20 interval each other, the space between the two can form the radiating channel, be favorable to promoting the radiating effect of first circuit board 16 and second circuit board 20, avoid first circuit board 16 and second circuit board 20 high temperature to influence working property and life.

The specific type of the battery cell 14 is not limited as long as it can store electric energy, such as a battery, a capacitor, and the like.

The manner in which the charging structure 18 is connected to the electronic device is not limited, and for example, the charging structure may be connected to the electronic device via a data line or may be coupled to the electronic device via a wireless connection. In the present embodiment, the charging structure 18 includes a charging coil electrically connected to the second circuit board 20, and the charging coil is used to cooperate with a coil for charging inside the electronic device, so as to form a wireless charging effect.

The magnetic member 22 is disposed inside the casing 12, and the magnetic member 22 is annular and surrounds the outer periphery of the charging coil. The magnetic piece 22 is used for forming a magnetic attraction effect with the electronic equipment, so that the mobile power supply 10 and the electronic equipment are magnetically attracted and fixed together, and the charging effect is prevented from being influenced by separation of the mobile power supply 10 and the electronic equipment. Specifically, the magnetic member 22 has a ring-shaped structure that is not closed, thereby preventing the generation of an eddy current phenomenon to affect the charging effect.

The inner side of the shell 12 is concavely provided with a first mounting position 24 and a second mounting position 26 surrounding the outer side of the first mounting position 24, the charging coil is mounted on the first mounting position 24, and the magnetic piece 22 is mounted on the second mounting position 26, so that the stability of the wireless charging coil and the magnetic piece 22 is enhanced.

It will be appreciated that the manner of connection between the magnetic member 22 and the charging coil and the housing 12 is not limited, and may be, for example, glue-fixed by glue.

The mobile power supply 10 further includes a control key 28 electrically connected to the second circuit board 20, where the control key 28 protrudes outside the housing 12 or is flush with the outer surface of the housing 12, so as to be pressed by a user to control the charging coil. When the mobile power supply 10 is needed to charge the electronic equipment, the mobile power supply 10 and the electronic equipment can be fixed together by the magnetic piece 22, then the control key 28 is pressed, the mobile power supply 10 can charge the electronic equipment through the charging coil, and when the charging is not needed, the control key 28 is not pressed, so that the waste of the electric energy of the battery cell 14 is avoided.

In one embodiment, the first circuit board 16 and the second circuit board 20 are located on the same side of the battery cell 14 and are spaced apart in the thickness direction of the mobile power supply 10. Through arranging the first circuit board 16 and the second circuit board 20 on the same side of the battery core 14, the electric connection between the two is facilitated, meanwhile, the two are distributed in the thickness direction, the space of the mobile power supply 10 in the thickness direction is fully utilized, the circumferential size of the mobile power supply 10 is reduced, and the product volume is reduced.

A supporting member 30 is disposed between the first circuit board 16 and the second circuit board 20, and one end of the supporting member 30 is fixedly connected with the first circuit board 16, and the other end is electrically connected with the second circuit board 20, thereby separating the first circuit board 16 and the second circuit board 20 and preventing the two from contacting each other. Preferably, the number of the supporting members 30 is plural, and the plurality of supporting members 30 are spaced apart from each other.

It will be appreciated that the support 30 may be made of a conductive material, or the surface of the support 30 may be provided with an electrically conductive layer, so that the support 30 can perform the effect of conducting the first circuit board 16 and the second circuit board 20 while supporting the first circuit board 16 and the second circuit board 20.

In one embodiment, the heat conducting member 32 is disposed inside the housing 12, and the heat conducting member 32 is in heat conducting connection with the battery cell 14. The heat conducting member 32 has good heat conducting capability, and can absorb heat generated by the battery cell 14 during operation, so that the temperature of the battery cell 14 is reduced, the heat dissipation effect of the battery cell 14 is improved, and the excessive temperature of the battery cell 14 is avoided.

The housing 12 includes a thermally conductive shell 34, and the thermally conductive member 32 is in thermally conductive connection with the thermally conductive shell 34. The heat conducting shell 34 is made of a heat conducting material such as metal, has good heat conducting capacity, heat generated by the battery cell 14 can be transferred to the heat conducting shell 34 through the heat conducting piece 32 and then radiated out by the heat conducting shell 34, so that the radiating area is increased, the radiating capacity of the battery cell 14 is improved, the heat conducting shell 34 can directly radiate the heat into the air outside the mobile power supply 10, the heat can be prevented from being gathered in the space inside the mobile power supply 10, and the internal temperature of the mobile power supply 10 is reduced.

The heat conductive member 32 includes a main body 36 thermally connected to the battery cell 14, and an extension 38 extending from the outside of the main body 36 in a direction away from the battery cell 14, and the extension 38 is connected to the heat conductive housing 34. Specifically, the extension 38 is located on the same side of the cell 14 as the first circuit board 16 and the second circuit board 20, and the extension 38 is generally L-shaped so as to increase the contact area with the heat conductive housing 34. The extension portion 38 extends to the outside of the battery cell 14 so as to be connected with the heat conducting shell 34, heat generated by the battery cell 14 is transferred to the main body portion 36 of the heat conducting member 32, then transferred to the extension portion 38 by the main body portion 36, finally transferred to the heat conducting shell 34 from the extension portion 38, and heat dissipation is assisted by the heat conducting shell 34.

The specific type of the heat conducting member 32 is not limited, for example, a heat conducting metal, a heat conducting silicone grease, or a nano heat dissipating material, and in this embodiment, the heat conducting member 32 includes a heat conducting layer, and a glue layer and a nano heat dissipating material layer respectively disposed on two opposite sides of the heat conducting layer, where the glue layer is adhered and fixed to the outer side of the battery cell 14, and the nano heat dissipating material is in heat conducting connection with the heat conducting housing 34. In particular, the aluminum foil of the heat transfer layer has good heat conducting property and relatively light weight. The heat conducting piece 32 not only can transfer the heat of the battery cell 14 to the heat conducting shell 34, but also can convert the heat into infrared heat rays to be transmitted to the atmosphere, so that a low thermal resistance path is formed, and the aim of rapidly radiating the heat is fulfilled.

In one embodiment, the mobile power supply 10 further includes a bracket 39, where the bracket 39 is located outside the heat conductive housing 34 and is rotatably connected to the heat conductive housing 34. Specifically, the heat conducting housing 34 is provided with a rotating shaft, and the bracket 39 is rotatably connected with the heat conducting housing 34 through the rotating shaft. The bracket 39 can rotate a certain angle relative to the heat conducting shell 34 to support the shell 12, and the mobile power supply 10 can be magnetically fixed with the electronic equipment through the magnetic piece 22, so as to support the electronic equipment.

The support 39 is in thermal conduction connection with the heat conducting shell 34, specifically, the support 39 is located on one side of the heat conducting shell 34, close to the first circuit board 16 and the second circuit board 20, and is supported by the heat conducting metal material, so that the support 39 has good heat conducting capacity, after the heat conducting piece 32 transfers the heat of the battery cell 14 to the heat conducting shell 34, the heat is transferred to the support 39 through the heat conducting shell 34, and the heat dissipation area is further increased by utilizing the support 39 to assist in heat dissipation.

Preferably, the extension 38 of the heat conducting member 32 is in heat conducting connection with the heat conducting housing 34 at a position close to the bracket 39 to reduce the distance between the heat conducting member 32 and the bracket 39, so that the heat conducting member 32 can transfer heat to the bracket 39 through the heat conducting housing 34 more quickly.

The heat conduction housing 34 is provided with a housing 40 on the outside, and the bracket 39 is rotatably mounted on the housing 40. When the bracket 39 is needed, the bracket 39 can be rotated out of the accommodating part 40 to form a specific angle with the heat conducting shell 34 for supporting, and when the bracket 39 is not needed, the bracket 39 can be accommodated in the accommodating part 40, so that the abrupt sense of the bracket 39 is reduced. Preferably, the size of the bracket 39 is adapted to the size of the receiving portion 40, and when the bracket 39 is received in the receiving portion 40, the outer surface of the bracket 39 is flush with the corresponding outer surface of the heat conductive housing 34.

The heat conductive housing 34 is provided with a catch 41 near one end of the bracket 39 remote from the axis of rotation, and a user can insert a finger or a nail into the catch 41 and against the bracket 39 during use, so that the user rotates the bracket 39.

In an embodiment, the housing 12 further includes a cover 42, the cover 42 and the heat conductive housing 34 enclose a storage space, the battery cell 14, the charging module and the power supply module are respectively contained in the storage space, the charging coil and the magnetic element 22 are located between the battery cell 14 and the cover 42, and the first mounting location 24 and the second mounting location 26 are located on the cover 42. Specifically, the heat conducting capability of the cover 42 is smaller than that of the heat conducting housing 34, and may be made of rubber or plastic, for example, so as to facilitate processing compared to the metal heat conducting housing 34.

The cover 42 includes a cover 44 and a side plate 46 connected to the outer periphery of the cover 44, the cover 44 is located at one side of the heat conducting housing 34, the side plate 46 is inserted into the heat conducting housing 34 and is connected to the heat conducting housing 34 in a snap-fit manner, and the first mounting position 24 and the second mounting position 26 are located on the cover 42. Specifically, the side plate 46 is provided with an elastic fastening member 48, the inner side of the heat conductive housing 34 is provided with a fastening hole matched with the heat conductive housing, and the elastic fastening member 48 can be fastened into the fastening hole or withdrawn from the fastening hole to form a fastening effect or release the fastening effect. By providing the mating resilient snap members 48 and snap holes, the thermally conductive housing 34 is snap-connected to the cover 42, facilitating disassembly and assembly of the housing 12.

The casing 12 is internally provided with a protection layer 50, and the protection layer 50 surrounds the periphery of the battery cell 14, so as to prevent the battery cell 14 from being damaged when the side plate 46 of the cover 42 is inserted into the heat conducting shell 34 during the assembly process of the casing 12.

It will be appreciated that the protective layer 50 may be a protective layer or may be supported by a thermally conductive material to protect the cells 14 and also absorb heat from the cells 14 to assist in dissipating heat from the cells 14.

The side of the battery cell 14 remote from the heat conducting member 32 is provided with a partition member 52, and the partition member 52 is located between the battery cell 14 and the charging coil and the magnetic member 22 to separate the battery cell 14 from the charging coil and the magnetic member 22.

It will be appreciated that the separator 52 may be a protective element, such as highland barley paper, for protecting the cells 14 to avoid damaging the cells 14 during assembly of the charging structure 18, or the separator 52 may be a thermally conductive element made of a thermally conductive material that is thermally conductively coupled to the cells 14 to absorb heat generated during operation of the cells 14 to further increase the heat dissipation area.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. A mobile power supply, characterized in that it comprises a shell and a power supply module and a charging module arranged in the shell, the power supply module comprises a battery cell and a first circuit board electrically connected to the battery cell, the charging module comprises a charging structure and a second circuit board electrically connected to the charging structure, the second circuit board is electrically connected to the first circuit board and is spaced apart from each other.

2. The mobile power supply according to claim 1, wherein the first circuit board and the second circuit board are located on the same side of the battery cell and are spaced apart in a thickness direction of the mobile power supply.

3 . The mobile power source according to claim 2 , wherein a support member is provided between the first circuit board and the second circuit board.

4. The mobile power source according to claim 1, characterized in that a heat conducting member is provided inside the housing, and the heat conducting member is thermally connected to the battery core.

5 . The mobile power source according to claim 4 , wherein the housing comprises a heat-conducting shell, and the heat-conducting member is thermally connected to the heat-conducting shell.

6. The mobile power source according to claim 5, characterized in that the heat conductive member comprises a main body portion thermally connected to the battery core and an extension portion extending from the outside of the main body portion in a direction away from the battery core, and the extension portion is thermally connected to the heat conductive housing.

7 . The mobile power source according to claim 6 , further comprising a bracket disposed outside the heat-conducting shell, wherein the bracket is rotatably connected to the heat-conducting shell.

8 . The mobile power source according to claim 7 , wherein the bracket is thermally connected to the heat-conducting housing.

9 . The mobile power source according to claim 8 , wherein the extension portion is thermally connected to a position of the heat-conductive housing close to the bracket.

10 . The mobile power source according to claim 4 , wherein a separator is provided on a side of the battery core away from the heat conductive member, and the charging structure is located on a side of the separator away from the battery core.

11. The mobile power source according to claim 4, characterized in that the heat conductive member comprises a heat transfer layer and an adhesive layer and a nano heat dissipation material layer respectively arranged on opposite sides of the heat transfer layer, and the adhesive layer is adhered and fixed to the outer side of the battery core.

12. The mobile power source according to any one of claims 1 to 10, characterized in that the charging structure comprises a wireless charging coil electrically connected to the second circuit board.