High-universality lithium battery protection board

Abstract

The utility model relates to the technical field of lithium battery protection plates, in particular to a high-universality lithium battery protection plate which comprises a protection plate body and a lithium battery pack, a heat dissipation net is arranged in the protection plate body, limiting grooves are formed in the two sides of the protection plate body, and fixing blocks are installed at the positions, close to the two sides of the two limiting grooves, of the surface of one side of the protection plate body. Fixing holes are formed in the fixing blocks, positioning rods are installed at the positions, close to the four corners, of the bottom end of the protection plate, the interior of a limiting groove is in limiting clamping connection with one end of the fixing plate, and installation grooves are formed in the positions, close to the two sides, of the two ends of the fixing plate. The problems of difficulty in maintenance and influence on maintenance efficiency due to the fact that the lithium battery blue film is firstly damaged and the lithium battery pack and the lithium battery protection plate need to be taken out from the lithium battery box after the lithium battery protection plate is damaged are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery protection board technical field, concretely is a kind of high universality lithium battery protection board. BACKGROUND

[0002] Lithium battery protection board is to the charge-discharge protection of series lithium battery pack;When full of electricity, it can guarantee the voltage difference between each single battery is less than the set value, realizes the equal charge of each single battery of battery pack, effectively improves the charging effect under series charging mode;Meanwhile detects the overvoltage, undervoltage, overcurrent, short-circuit, over-temperature state of each single battery in battery pack, protects and prolongs the service life of battery.

[0003] Traditional lithium battery protection board is fixedly connected with lithium battery pack, and the lithium battery blue film is protected outside, so that the lithium battery protection board needs to be damaged first, and the lithium battery pack and the lithium battery protection board are taken out from the lithium battery box, which causes difficulty in maintenance and affects the maintenance efficiency, so the above problems need to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of high universality lithium battery protection board to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high universality lithium battery protection board, including protection plate and lithium battery pack, the inside of the protection plate is provided with heat dissipation net, and the both sides of protection plate are all set with limit slot, the surface of the side of protection plate is installed with fixed block in the position of the both sides of two groups of limit slot, and the inside of fixed block is all set with fixed hole, the bottom of the protection plate is installed with positioning rod in the position of four corners, the inside of limit slot is limitally connected with one end of fixed plate, and the both ends of fixed plate are all set with installation slot in the position of the both sides, the inside wall of the one side of installation slot is all installed with electric push rod, and the one end of electric push rod is all installed with sliding rod, the one end of sliding rod is installed with connecting block, and the one end of connecting block is installed with fixed rod by mounting disc, the front and rear sides of lithium battery pack are all set with positioning hole in the position of four corners, and the top and bottom of lithium battery pack are all installed with limit plate in the position of the both sides.

[0006] Preferably, the width of the sliding rod is adapted to the distance between the two inner walls of the installation slot, and the sliding rod is arranged inside the installation slot and is in sliding connection with the installation slot.

[0007] Preferably, the outer diameter of the fixed rod is adapted to the inner diameter of the fixed hole, and the one end of the fixed rod penetrates the inside of the fixed block through the fixed hole.

[0008] Preferably, the bottom end of the positioning rod is externally sized to match the internal diameter of the positioning hole, and the bottom end of the positioning rod extends into the interior of the positioning hole and is in limited clamping connection therewith.

[0009] Preferably, the distance between the two sets of limiting plates is sized to match the width of the protective plate, and the inner side surfaces of the two sets of limiting plates are respectively arranged in abutment with the side surfaces of the protective plate.

[0010] Preferably, the number of protective plates is two sets, and the two sets are respectively placed at the front and rear positions of the lithium battery pack.

[0011] Preferably, the number of fixed plates is two sets, and the inner side surfaces of the two sets of fixed plates are respectively arranged in abutment with the side surfaces of the lithium battery pack.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The protective plate, the limiting groove, the fixed block, the fixed hole, the positioning rod, the fixed plate, the mounting groove, the electric push rod, the sliding rod, the connecting block, the mounting disc, the fixed rod, the positioning hole and the limiting plate can effectively solve the problem that the traditional lithium battery protection plate is fixedly connected with the lithium battery pack, and the lithium battery protection plate is externally protected by the lithium battery film, so that when the lithium battery protection plate is damaged, the lithium battery film needs to be damaged first, and the lithium battery pack and the lithium battery protection plate need to be taken out from the lithium battery box, causing difficulty in maintenance and affecting the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure perspective view of the main body of the utility model.

[0015] Figure 2 It is a structure perspective view of the main body of the utility model. Figure 1 It is an enlarged view of A in the figure.

[0016] Figure 3 It is a structure perspective view of the lithium battery pack of the utility model.

[0017] Figure 4 It is a structure perspective view of the protective plate of the utility model.

[0018] In the figure: 1, protective plate; 11, heat dissipation net; 12, limiting groove; 13, fixed block; 14, fixed hole; 15, positioning rod; 2, fixed plate; 21, mounting groove; 22, electric push rod; 23, sliding rod; 24, connecting block; 25, mounting disc; 26, fixed rod; 3, lithium battery pack; 31, positioning hole; 32, limiting plate. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] According to Figures 1-4 As shown in the figure, it comprises a protective plate 1 and a lithium battery pack 3, the inside of the protective plate 1 is provided with a heat dissipation net 11, and the two sides of the protective plate 1 are both provided with a limiting groove 12, the heat dissipation net 11 is provided with a wire mesh, so that the heat dissipation net 11 can not only play a heat dissipation role, but also can play a protective role for the lithium battery pack 3, the side surface of the protective plate 1 is provided with a fixing block 13 at the position of the two sides of the two limiting grooves 12, and the inside of the fixing block 13 is provided with a fixing hole 14, and the bottom end of the protective plate 1 is provided with a positioning rod 15 at the position of the four corners.

[0021] The inside of the limiting groove 12 is limitedly connected with one end of the fixing plate 2, and the two ends of the fixing plate 2 are both provided with an installation groove 21 at the position of the two sides, the inside wall of one side of the installation groove 21 is provided with an electric push rod 22, one end of the electric push rod 22 is provided with a sliding rod 23, the width of the sliding rod 23 is matched with the distance between the two inside walls of the installation groove 21, the sliding rod 23 is arranged in the inside of the installation groove 21 and is slidably connected with the installation groove 21, one end of the sliding rod 23 is provided with a connecting block 24, one end of the connecting block 24 is provided with a fixing rod 26 through a mounting disc 25, the outer diameter of the fixing rod 26 is matched with the inner diameter of the fixing hole 14, and one end of the fixing rod 26 penetrates into the inside of the fixing block 13 through the fixing hole 14.

[0022] The front and rear sides of the lithium battery pack 3 are both provided with a positioning hole 31 at the position of the four corners, and the top end and the bottom end of the lithium battery pack 3 are both provided with a limiting plate 32 at the position of the two sides, the outer diameter of the bottom end of the positioning rod 15 is matched with the inner diameter of the positioning hole 31, the bottom end of the positioning rod 15 penetrates into the inside of the positioning hole 31 and is limitedly connected with the positioning hole 31, the distance between the two limiting plates 32 is matched with the width of the protective plate 1, and the inner side surfaces of the two limiting plates 32 are respectively matched with the side surface of the protective plate 1, the number of the protective plate 1 is two, and the two protective plates are respectively placed at the front and rear sides of the lithium battery pack 3, the number of the fixing plate 2 is two, and the inner side surfaces of the two fixing plates 2 are respectively matched with the side surface of the lithium battery pack 3.

[0023] In use, the user can place the two groups of protective plates 1 on the front and rear sides of the lithium battery pack 3, and at the same time, the bottom ends of the four groups of positioning rods 15 are inserted into the corresponding positioning holes 31 and are limited and clamped, at this time, the corresponding two side walls of the protective plates 1 are arranged in close contact with the corresponding one side surface of the corresponding limiting plates 32, so that the two groups of limiting plates 32 can limit the protective plates 1 from above and below, and then the user can place a group of fixed plates 2 on the left side of the lithium battery pack 3, so that the inner side surface of the fixed plate 2 is arranged in close contact with the left side surface of the lithium battery pack 3, so that the two ends of the fixed plate 2 are respectively placed in the corresponding limiting grooves 12 and are limited and clamped, and then the user can start the electric push rod 22 arranged at the two ends of the fixed plate 2 on the two sides, so that under the action of the electric push rod 22, the sliding rod 23 can move to one side in the mounting groove 21, so that the connecting block 24, the mounting disc 25 and the fixed rod 26 can be moved accordingly, so that the inner side surface of the mounting disc 25 is arranged in close contact with one side surface of the fixed block 13, and one end of the fixed rod 26 penetrates into the fixed block 13 through the fixed hole 14, so that the fixed plate 2 can be fixedly installed between the two groups of protective plates 1, and the same method can be used to place another group of fixed plates 2 on the right side of the lithium battery pack 3 and install them on the right side of the two groups of protective plates 1, by which the installation of the two groups of protective plates 1 and the two groups of fixed plates 2 is completed, and the two groups of protective plates 1 and the two groups of fixed plates 2 are limited on the outer surface of the lithium battery pack 3 and cannot be detached from the outer surface of the lithium battery pack 3, so that the two groups of protective plates 1 and the two groups of fixed plates 2 can protect the lithium battery pack 3.

[0024] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A highly versatile lithium battery protection board, comprising a protection board (1) and a lithium battery pack (3), characterized in that: The protective plate (1) is provided with a heat dissipation mesh (11) inside, and limit grooves (12) are opened on both sides of the protective plate (1). Fixing blocks (13) are installed on one side surface of the protective plate (1) near the two sets of limit grooves (12), and fixing holes (14) are opened inside the fixing blocks (13). Positioning rods (15) are installed at the four corners of the bottom end of the protective plate (1). The inside of the limit groove (12) is limited and snapped with one end of the fixing plate (2), and the two ends of the fixing plate (2) are positioned near the sides. Each of the lithium battery packs (3) has an installation groove (21). An electric push rod (22) is installed on one side of the inner wall of each installation groove (21). A sliding rod (23) is installed at one end of each electric push rod (22). A connecting block (24) is installed at one end of each sliding rod (23). A fixing rod (26) is installed at one end of each connecting block (24) via an installation plate (25). Positioning holes (31) are provided on the front and rear sides of the lithium battery pack (3) near the four corners. Limiting plates (32) are installed on the top and bottom sides of the lithium battery pack (3).

2. The highly versatile lithium battery protection board according to claim 1, characterized in that: The width of the sliding rod (23) is adapted to the distance between the inner walls on both sides of the mounting groove (21), and the sliding rod (23) is located inside the mounting groove (21) and is slidably connected to it.

3. The highly versatile lithium battery protection board according to claim 1, characterized in that: The outer diameter of the fixing rod (26) is matched with the inner diameter of the fixing hole (14), and one end of the fixing rod (26) passes through the fixing hole (14) into the interior of the fixing block (13).

4. The highly versatile lithium battery protection board according to claim 1, characterized in that: The outer diameter of the bottom end of the positioning rod (15) is adapted to the inner diameter of the positioning hole (31), and the bottom end of the positioning rod (15) extends into the interior of the positioning hole (31) and is engaged with it in a limiting and locking manner.

5. A highly versatile lithium battery protection board according to claim 1, characterized in that: The distance between the two sets of limiting plates (32) is adapted to the width of the protective plate (1), and the inner surfaces of the two sets of limiting plates (32) are respectively attached to one side surface of the protective plate (1).

6. A highly versatile lithium battery protection board according to claim 1, characterized in that: The number of protective plates (1) is two sets, and the two sets are respectively placed on the front and rear sides of the lithium battery pack (3).

7. A highly versatile lithium battery protection board according to claim 1, characterized in that: The number of fixing plates (2) is two sets, and the inner surface of the two sets of fixing plates (2) is respectively attached to one side surface of the lithium battery pack (3).

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