Lithium battery pack charger with protection structure

Abstract

The utility model relates to the field of battery charging, in particular to a lithium battery pack charger with a protection structure. The lithium battery pack charger with the protection structure comprises an overvoltage protection device main body, the overvoltage protection device main body is connected with a wire, one side of the overvoltage protection device main body is provided with a heat dissipation port, and the lithium battery pack charger further comprises an impact protection part which is fixed on the overvoltage protection device main body and wraps corners and top corners of the overvoltage protection device main body; and the waterproof part is integrally connected to two of the impact protection parts, and is also fixed outside the overvoltage protection device main body in an embedded manner and is close to the heat dissipation opening. According to the lithium battery pack charger with the protection structure provided by the utility model, the impact protection parts are arranged at the corners of the overvoltage protection device main body, so that the impact on the overvoltage protection device can be buffered, and the waterproof parts are arranged on the two impact protection parts, so that a diversion effect is achieved on water stains flowing through the surface of the overvoltage protection device; and a certain waterproof effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery charging, especially to a lithium battery pack charger with a protection structure. BACKGROUND

[0002] Lithium batteries are rechargeable batteries that use lithium as the main component. They have high energy density, long life, and low self-discharge rate, and are widely used in portable devices and electric vehicles.

[0003] Lithium batteries are also used as the main energy storage components in electric vehicles, providing the required power for the vehicle and meeting the operational needs of electric vehicles. The charger used for electric vehicles is mainly composed of two wires and an overvoltage protection device. The two wires are connected to the power outlet and the charging socket on the electric vehicle, making it easy to use. However, the existing charger has some drawbacks in actual use:

[0004] 1. When not in use, the charger is usually placed in the storage space under the seat cushion. Since it does not have a targeted protection structure, the overvoltage protection device may be damaged by impact when driving on bumpy roads.

[0005] 2. When the charger is in use, the overvoltage protection device is usually placed on the footrest, which is exposed to the elements. Therefore, when it rains, water may enter the overvoltage protection device through the vents.

[0006] Therefore, it is necessary to provide a new lithium battery pack charger with a protection structure to solve the above technical problems. SUMMARY

[0007] To solve the above technical problems, the utility model provides a lithium battery pack charger with a protection structure.

[0008] The lithium battery pack charger with a protection structure provided by the utility model includes an overvoltage protection device main body, a wire connected to the overvoltage protection device main body, and a heat dissipation port on one side of the overvoltage protection device main body.

[0009] The impact protection pieces are fixed to the overvoltage protection device main body and cover the edges and corners of the overvoltage protection device main body.

[0010] The waterproof piece is integrally connected to two impact protection pieces and is embeddedly fixed to the outside of the overvoltage protection device main body near the heat dissipation port.

[0011] Preferably, the edge of the overvoltage protection device main body has a slope, and a rod is integrally connected to the slope. The other end of the rod is integrally connected to a spherical insert.

[0012] Preferably, the impact protection piece comprises side rubber blocks, one side of the side rubber blocks is provided with second embedding grooves, the side rubber blocks are attached to the inclined surfaces of the corner of the overvoltage protection device body, and the spherical embedding blocks are embedded in the second embedding grooves, the upper and lower ends of the side rubber blocks are integrally connected with top rubber blocks, and the top rubber blocks cover the top corners of the overvoltage protection device body.

[0013] Preferably, the outer end faces of the side rubber blocks and the top rubber blocks are located outside the surface of the overvoltage protection device body.

[0014] Preferably, the waterproof piece comprises a rubber strip, the rubber strip is located above the heat dissipation opening, the two ends of the rubber strip are integrally connected with two side rubber blocks respectively, the rubber strip is further provided with a flow guide groove, the lower end of the rubber strip is further integrally connected with a plurality of drainage pipes which are in communication with the flow guide groove, the other ends of the drainage pipes extend to below the heat dissipation opening, and one side of the plurality of drainage pipes is further integrally connected with a positioning rubber strip.

[0015] Preferably, the outer side of the overvoltage protection device body is further provided with first embedding grooves, and the rubber strip and the positioning rubber strip are embeddedly fixed in the first embedding grooves.

[0016] Compared with the related art, the lithium battery pack charger with the protection structure has the following beneficial effects:

[0017] In the lithium battery pack charger with the protection structure, the impact protection pieces are arranged at the corner of the overvoltage protection device body, so that the impact on the overvoltage protection device can be buffered, and the waterproof pieces are arranged on the two impact protection pieces, so that the water stains flowing on the surface of the overvoltage protection device have the flow guiding effect and have a certain waterproof effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure schematic view of a preferred embodiment of the lithium battery pack charger with the protection structure is shown;

[0019] Figure 2 The structure schematic view of the overvoltage protection device body is shown;

[0020] Figure 3 The structure schematic view of the impact protection piece is shown;

[0021] Figure 4 The structure schematic view of the waterproof piece is shown.

[0022] The labels in the figure: 1, overvoltage protection device main body; 11, rod body; 12, spherical insert; 13, first insert groove; 2, heat dissipation port; 3, impact protection piece; 31, side rubber block; 32, second insert groove; 33, top rubber block; 4, waterproof piece; 41, rubber strip; 42, flow guide groove; 43, drainage pipe; 44, positioning rubber strip. DETAILED DESCRIPTION

[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0025] In the description of the present application, it should be noted that, unless otherwise specifically provided and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0027] The specific implementation of the present application will be described in detail below in combination with specific examples.

[0028] Please refer to Figures 1 to 4The utility model discloses a lithium battery pack charger with protection structure, lithium battery pack charger with protection structure includes overvoltage protection device main body 1, and overvoltage protection device main body 1 is connected with the wire, and overvoltage protection device main body 1 side has the heat dissipation port 2, and overvoltage protection device main body 1's corner has the inclined plane, and integrally connected with the stem 11 on the inclined plane, and the other end of stem 11 integrally connected with spherical inlay 12, still include:

[0029] Impact protection piece 3, for multiple, fixed on overvoltage protection device main body 1, and the edge and the vertex of overvoltage protection device main body 1 are covered;

[0030] Waterproof piece 4, waterproof piece 4 is integrally connected on two impact protection pieces 3, still embeddedly fixed on overvoltage protection device main body 1 outside, and close to the position of heat dissipation port 2.

[0031] Need to explain: in the device, overvoltage protection device main body 1 cooperation wire constitutes complete charging structure, and simultaneously, sets up impact protection piece 3 at overvoltage protection device main body 1 corner position, can with this to buffer the buffer that overvoltage protection device main body 1 receives, has certain protection effect to overvoltage protection device main body 1;

[0032] Overvoltage protection device main body 1 has heat dissipation port 2, for carrying out heat dissipation during charging, and waterproof piece 4 is still set up on two impact protection pieces 3, and waterproof piece 4 is set up to heat dissipation port 2, can flow to the water mark that overvoltage protection device main body 1 is flowed through and is guided, avoids its from heat dissipation port 2 into the device inside, has certain waterproof effect.

[0033] In the embodiment of the utility model, please refer to Figure 3 Impact protection piece 3 includes side rubber block 31, and side rubber block 31 side has second embedding groove 32, and side rubber block 31 is attached to the inclined plane of overvoltage protection device main body 1 corner, and spherical inlay 12 is embedded to second embedding groove 32 inside, and the upper and lower ends of side rubber block 31 are integrally connected with top rubber block 33, and top rubber block 33 covers the vertex of overvoltage protection device main body 1;

[0034] The outer end surface of side rubber block 31 and top rubber block 33 is located on the outside of overvoltage protection device main body 1 surface.

[0035] Need to explain: for impact protection piece 3, it is composed of side rubber block 31 and top rubber block 33, and side rubber block 31 corresponds overvoltage protection device main body 1's corner position, and top rubber block 33 corresponds overvoltage protection device main body 1's vertex position, and rubber has good buffering effect, thereby can play certain protection effect to it.

[0036] In the embodiment of the utility model, please refer to Figure 4The waterproof part 4 comprises a rubber strip 41 located above the heat dissipation opening 2, two ends of the rubber strip 41 are integrally connected to the two side rubber blocks 31 respectively, the rubber strip 41 is further provided with a flow guide groove 42, and the lower end of the rubber strip 41 is further integrally connected with a plurality of drainage pipes 43 in communication with the flow guide groove 42, one end of the drainage pipe 43 extends to below the heat dissipation opening 2, and one side of the plurality of drainage pipes 43 is further integrally connected with a positioning rubber strip 44.

[0037] The overvoltage protection device body 1 is further provided with a first embedding groove 13 on the outer side, and the rubber strip 41 and the positioning rubber strip 44 are embedded and fixed in the first embedding groove 13.

[0038] It should be noted that when water stains flow through the surface of the overvoltage protection device body 1, the water stains on the side of the heat dissipation opening 2 can enter the flow guide groove 42 and be drained through the drainage pipe 43, so that the water stains can not enter the heat dissipation opening 2.

[0039] It should be noted that when water stains flow through the surface of the overvoltage protection device body 1, the water stains on the side of the heat dissipation opening 2 can enter the flow guide groove 42 and be drained through the drainage pipe 43, so that the water stains can not enter the heat dissipation opening 2.

[0040] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A lithium battery pack charger with a protection structure, comprising an overvoltage protection device body (1), a wire is connected to the overvoltage protection device body (1), and the overvoltage protection device body (1) has a heat dissipation port (2) on one side, characterized in that, Also include: The impact protection piece (3) is fixed on the overvoltage protection device body (1), and the edge and corner of the overvoltage protection device body (1) are covered; The waterproof piece (4) is integrally connected to two impact protection pieces (3), and is embeddedly fixed on the outside of the overvoltage protection device body (1) and close to the position of the heat dissipation port (2).

2. The lithium battery pack charger with a protection structure according to claim 1, characterized in that, The edge of the overvoltage protection device body (1) has a slope, and a rod body (11) is integrally connected on the slope, and the other end of the rod body (11) is integrally connected with a spherical embedded block (12).

3. The lithium battery pack charger with a protection structure according to claim 1, characterized in that, The impact protection piece (3) includes a side rubber block (31), which has a second embedded groove (32) on one side, and the side rubber block (31) is attached to the slope of the edge of the overvoltage protection device body (1), and the spherical embedded block (12) is embedded in the second embedded groove (32), and the upper and lower ends of the side rubber block (31) are integrally connected with a top rubber block (33), and the top rubber block (33) covers the top corner of the overvoltage protection device body (1).

4. The lithium battery pack charger with a protection structure according to claim 3, characterized in that, The outer end face of the side rubber block (31) and the top rubber block (33) is located outside the surface of the overvoltage protection device body (1).

5. The lithium battery pack charger with a protection structure according to claim 1, characterized in that, The waterproof piece (4) includes a rubber strip (41), which is located above the heat dissipation port (2), and the two ends of the rubber strip (41) are integrally connected to two side rubber blocks (31), and the rubber strip (41) further has a flow guide groove (42), and the lower end of the rubber strip (41) is further integrally connected with a plurality of drainage pipes (43) connected with the flow guide groove (42), and the other end of the drainage pipe (43) extends to below the heat dissipation port (2), and the side of the plurality of drainage pipes (43) is further integrally connected with a positioning rubber strip (44).

6. The lithium battery pack charger with a protection structure according to claim 5, characterized in that, The outer side of the overvoltage protection device body (1) is further provided with a first embedded groove (13), and the rubber strip (41) and the positioning rubber strip (44) are embeddedly fixed in the first embedded groove (13).

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