Novel waterproof and corrosion-resistant lithium battery

Abstract

The utility model relates to the technical field of lithium batteries, in particular to a novel waterproof and corrosion-resistant lithium battery which comprises a shell, an upper cover is arranged at the top end of the shell, and three fans are fixedly connected to one end of the shell. Compared with the prior art, the lithium battery pack has the advantages that mounting positions are provided for the plurality of lithium battery monomers through the base and the upper limiting seat, the base and the upper limiting seat are combined into a sealing structure, external moisture is prevented from entering and contacting the lithium battery monomers, and sealant is arranged at the contact position of the base and the upper limiting seat, so that the lithium battery pack is convenient to seal; by arranging the shell and the upper cover, a protection structure can be conveniently formed through combination, meanwhile, by arranging the three fans for energizing operation, air is driven to penetrate through the bottom position of the shell, internal heat is taken away, it is guaranteed that the whole device is in a stable state, the problems existing in the prior art are effectively solved, and the device is simple in overall structure, convenient to use and high in practicability. And popularization and use are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a new type of lithium battery with waterproof and corrosion resistance. Background Art

[0002] Lithium batteries usually have two shapes: cylindrical and square. The inside of the battery adopts a spiral winding structure, with a very fine and highly permeable polyethylene film isolation material separating the positive and negative electrodes. With the development of microelectronics technology, lithium batteries are gradually being used in industries in various fields.

[0003] Existing lithium batteries are generally installed directly using a support frame, and after installation, they need to be wrapped with insulating materials and tape. There are gaps at the interfaces of the tapes, and as water invades, the gaps in the tapes will become larger and larger, which greatly reduces their waterproof properties. Based on this, a new type of lithium battery with waterproof and corrosion resistance is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a new lithium battery with waterproof and corrosion resistance, which effectively solves the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the utility model provides a new type of lithium battery with waterproof and corrosion resistance, including a shell, a top cover is provided at the top of the shell, three fans are fixedly connected to one end of the shell, and a plurality of air outlets are provided at the other end of the shell, a base is provided inside the shell, support seats are fixedly connected at the four corners of the base, the four sides of the base are tilted upward, and an upper limit seat is provided at the top, a plurality of placement holes are provided on the bottom surface of the inner wall of the base and the bottom surface of the upper limit seat, and lithium battery cells are provided inside the plurality of placement holes, a plurality of heat-conducting columns are provided on the bottom surface of the inner wall of the base, four arc-shaped heat-conducting plates are fixedly connected to the outer walls of the plurality of heat-conducting columns, and the plurality of arc-shaped heat-conducting plates are respectively located on the outer walls of the lithium battery cells, a connecting plate is fixedly connected to the middle part of the bottom surface of the base, which is fixedly connected to the bottom ends of the plurality of heat-conducting columns, and a plurality of heat-dissipating fins are fixedly connected to the bottom surface of the connecting plate.

[0006] Preferably, any of the above schemes is that the upper cover is fixedly connected to the top of the outer shell by laser welding. By using this scheme, it is convenient to fix the upper cover to the top of the outer shell, forming a stable protective structure on the outside of the base to prevent external impact from directly acting on the base.

[0007] Preferably, any of the above schemes has gaps between the four sides of the base and the inner wall of the shell, and sealant is provided at the top of the gap, and a protection circuit board is provided on one side of the inner wall of the base. A plastic diaphragm is provided in the middle of the gap between the base and the shell in this scheme, which is used to limit the sealant filling area. At the same time, the sealant is completely filled in the contact position between the base and the upper limit seat, thereby facilitating the sealing of the contact position between the two to avoid the intrusion of external corrosive liquids, and the protection circuit board is used to be electrically connected to multiple lithium battery cells to monitor voltage, charging and short-circuit protection.

[0008] Preferably, any of the above schemes is that the multiple air outlets are linearly arranged at one end of the shell and correspond to the three fans. By using this scheme, it is convenient to form an air outflow channel on the outer wall of the shell, and to power on the fan to allow external air to enter the interior of the shell and contact with multiple heat dissipation fins, taking away the heat conducted out, thereby reducing the operating temperature of multiple lithium battery cells.

[0009] Preferably, any of the above schemes is made of rubber. By using this scheme, the base can be stably supported, leaving an air circulation channel between the bottom surface of the base and the bottom wall of the shell to facilitate air circulation.

[0010] Preferably, any of the above schemes leaves a gap between the bottom ends of the plurality of heat sink fins and the bottom wall of the outer shell, and the length direction of the plurality of heat sink fins faces the fan. By using this scheme, the contact area between the connecting plate and the flowing air is increased, the heat exchange rate is increased, and heat dissipation is facilitated.

[0011] The utility model has the following advantages:

[0012] 1. The new waterproof and corrosion-resistant lithium battery provides installation positions for multiple lithium battery cells through a base and an upper limit seat. At the same time, the base and the upper limit seat are combined into a sealed structure to prevent external moisture from entering and contacting the lithium battery cells. At the same time, a sealant is arranged at the contact position between the base and the upper limit seat to facilitate sealing and improve its corrosion resistance. By providing an outer shell and an upper cover, it is convenient to combine into a protective structure. At the same time, by providing three fans and multiple heat dissipation fins, the fan is powered on to drive air to penetrate the bottom position of the outer shell, take away the internal heat, ensure that the whole is in a stable state, effectively solve the problems existing in the prior art, and the overall structure is simple, which is convenient for promotion and use.

[0013] 2. The new waterproof and corrosion-resistant lithium battery is provided with an outer shell and an upper cover, which are connected to each other, and four heat-conducting sheets are provided on the outside of the multiple heat-conducting columns. The multiple heat-conducting columns are fixedly connected to the connecting plate, so that heat is conveniently conducted along the arc-shaped heat-conducting sheets, the heat-conducting columns and the connecting plate. At the same time, the fan drives the air flow and contacts the multiple heat dissipation fins, so as to facilitate stable and continuous heat dissipation of the multiple lithium battery cells. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0015] Figure 2 It is a schematic diagram of the cutaway structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0017] Figure 4 This is a schematic diagram of the structure of the utility model from a third viewing angle;

[0018] Figure 5 This is a schematic diagram of the base structure of the utility model;

[0019] Figure 6 This is a schematic diagram of the shell structure of the utility model;

[0020] Figure 7 This is a schematic diagram of the heat-conducting column structure of the utility model;

[0021] Figure 8 This is a schematic diagram of the upper limit seat structure of the utility model;

[0022] Fig. 9 It is a schematic diagram of the structure of the arc-shaped heat conducting sheet of the utility model.

[0023] In the figure: 1-housing, 2-fan, 3-upper cover, 4-upper limit seat, 5-lithium battery cell, 6-sealant, 7-arc-shaped heat conductive sheet, 8-base, 9-heat dissipation fins, 10-heat conductive column, 11-support seat, 12-connecting plate, 13-placement hole, 14-air outlet, 15-plastic diaphragm. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0025] like Figures 1 to 9As shown, a new type of lithium battery with waterproof and corrosion resistance comprises a shell 1, a top cover 3 is provided on the top of the shell 1, three fans 2 are fixedly connected to one end of the shell 1, a plurality of air outlets 14 are provided on the other end of the shell 1, a base 8 is provided inside the shell 1, support seats 11 are fixedly connected at four corners of the base 8, four sides of the base 8 are tilted upward, and an upper limit seat 4 is provided on the top, a plurality of placement holes 13 are provided on the bottom surface of the inner wall of the base 8 and the bottom surface of the upper limit seat 4, lithium battery cells 5 are provided inside the plurality of placement holes 13, a plurality of heat-conducting columns 10 are provided on the bottom surface of the inner wall of the base 8, four arc-shaped heat-conducting sheets 7 are fixedly connected to the outer walls of the plurality of heat-conducting columns 10, and the plurality of arc-shaped heat-conducting sheets 7 are respectively located on the outer walls of the lithium battery cells 5, a connecting plate 12 is fixedly connected to the middle part of the bottom surface of the base 8, and the connecting plate 12 is fixedly connected to the bottom ends of the plurality of heat-conducting columns 10, and a plurality of heat-dissipating fins 9 are fixedly connected to the bottom surface of the connecting plate 12.

[0026] The upper cover 3 is fixedly connected to the top of the outer shell 1 by laser welding. As an optional technical solution of the present invention, this facilitates the fixed connection of the upper cover 3 to the top of the outer shell 1, forming a stable protective structure on the outside of the base 8 to prevent external impacts from directly acting on the base 8.

[0027] There is a gap between the four sides of the base 8 and the inner wall of the shell 1, and a sealant 6 is arranged at the top position of the gap. A protection circuit board is arranged on one side of the inner wall of the base 8. As an optional technical solution of the utility model, a plastic diaphragm 15 is arranged in the middle of the gap between the base 8 and the shell 1, which is used to limit the filling area of ​​the sealant 6. At the same time, the sealant 6 is completely filled in the contact position between the base 8 and the upper limit seat 4, so as to facilitate the sealing of the contact position between the two to avoid the invasion of external corrosive liquids. The protection circuit board is used to be electrically connected to multiple lithium battery cells 5, and is used to monitor voltage, charging and short-circuit protection.

[0028] A plurality of air outlets 14 are linearly arranged at one end of the housing 1 and correspond to the three fans 2. As an optional technical solution of the present invention, this facilitates the formation of an air outflow channel on the outer wall of the housing 1, facilitates the operation of the fan 2, allows external air to enter the interior of the housing 1, and contacts the plurality of heat dissipation fins 9, takes away the heat conducted therefrom, and reduces the operating temperature of the plurality of lithium battery cells 5.

[0029] The four support seats 11 are made of rubber, which is an optional technical solution of the present invention. This facilitates stable support of the base 8, leaving an air circulation channel between the bottom surface of the base 8 and the bottom wall of the shell 1 to facilitate air circulation.

[0030] A gap is left between the bottom ends of the multiple cooling fins 9 and the bottom wall of the outer shell 1, and the length direction of the multiple cooling fins 9 is toward the fan 2. As an optional technical solution of the utility model, this facilitates increasing the contact area between the connecting plate 12 and the flowing air, increasing the heat exchange rate, and facilitating heat dissipation.

[0031] In summary, when the user uses it, the base 8 and the upper limit seat 4 are used to provide installation positions for multiple lithium battery cells 5. At the same time, the base 8 and the upper limit seat 4 are combined into a sealing structure to prevent external moisture from entering and contacting the lithium battery cells 5. At the same time, a sealant 6 is set at the contact position between the base 8 and the upper limit seat 4, so as to facilitate sealing and improve its corrosion resistance. By providing an outer shell 1 and an upper cover 3, it is convenient to combine into a protective structure. At the same time, by providing three fans 2 and multiple heat dissipation fins 9, the fan 2 is powered on to drive air to pass through the bottom of the outer shell 1 Position, take away the internal heat, ensure that the whole is in a stable state, effectively solve the problems existing in the prior art, and the overall structure is simple, which is convenient for promotion and use. Then, by setting the outer shell 1 and the upper cover 3, the two are connected to each other, and four heat-conducting sheets 7 are arranged on the outside of the multiple heat-conducting columns 10, and the multiple heat-conducting columns 10 are fixedly connected with the connecting plate 12, so as to facilitate the heat to be conducted along the arc-shaped heat-conducting sheets 7, the heat-conducting columns 10 and the connecting plate 12. At the same time, the fan 2 drives the air flow and contacts with the multiple heat dissipation fins 9, so as to facilitate the stable and continuous heat dissipation of the multiple lithium battery cells 5.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of lithium battery with waterproof and corrosion resistance, characterized by: The invention comprises a shell (1), wherein a top cover (3) is arranged at the top of the shell (1), three fans (2) are fixedly connected to one end of the shell (1), a plurality of air outlets (14) are provided at the other end of the shell (1), a base (8) is arranged inside the shell (1), support seats (11) are fixedly connected at the four corners of the base (8), the four sides of the base (8) are tilted upward, and an upper limit seat (4) is arranged at the top, and a plurality of placement holes (13) are provided on the bottom surface of the inner wall of the base (8) and the bottom surface of the upper limit seat (4). , a lithium battery cell (5) is arranged inside each of the plurality of placement holes (13), a plurality of heat-conducting columns (10) are arranged on the bottom surface of the inner wall of the base (8), four arc-shaped heat-conducting sheets (7) are fixedly connected to the outer walls of the plurality of heat-conducting columns (10), and the plurality of arc-shaped heat-conducting sheets (7) are respectively located on the outer walls of the lithium battery cell (5), a connecting plate (12) is fixedly connected to the middle of the bottom surface of the base (8), and the connecting plate is fixedly connected to the bottom ends of the plurality of heat-conducting columns (10), and a plurality of heat dissipation fins (9) are fixedly connected to the bottom surface of the connecting plate (12).

2. A new type of lithium battery with waterproof and corrosion resistance according to claim 1, characterized in that: The upper cover (3) is fixedly connected to the top end of the outer shell (1) by laser welding.

3. A new type of lithium battery with waterproof and corrosion resistance according to claim 2, characterized in that: Gaps are left between the four sides of the base (8) and the inner wall of the housing (1), a sealant (6) is provided at the top of the gap, and a protective circuit board is provided on one side of the inner wall of the base (8).

4. A new type of lithium battery with waterproof and corrosion resistance according to claim 3, characterized in that: The plurality of air outlets (14) are linearly arranged and distributed at one end of the housing (1) and correspond to the three fans (2).

5. A new type of lithium battery with waterproof and corrosion resistance according to claim 4, characterized in that: The material of the four support seats (11) is rubber.

6. The novel lithium battery with waterproof and corrosion resistance according to claim 5 is characterized in that: A gap is left between the bottom ends of the plurality of heat dissipation fins (9) and the bottom wall of the housing (1), and the length direction of the plurality of heat dissipation fins (9) faces the fan (2).

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