Detachable controller box structure for lithium battery

Abstract

The utility model discloses a detachable lithium battery controller box structure, which comprises a controller insertion strip and a circuit board cover, the cross section of the controller insertion strip is U-shaped, the controller insertion strip is provided with a controller connecting piece, the controller connecting piece is arranged in the controller insertion strip, and the circuit board cover is arranged on the controller insertion strip. The controller connecting piece is arranged on the inner bottom face of the controller inserting strip and is perpendicular to the controller inserting strip, the controller connecting piece and the controller inserting strip are integrally formed, the circuit board cover is arranged on the right side of the controller connecting piece, and the circuit board cover is fixedly connected with the controller inserting strip through screws. The circuit board cover is fixedly connected with the controller connecting piece through a screw. The LED lamp has the advantages of being good in heat dissipation and capable of being independently and conveniently disassembled or assembled.

Description

Technical Field

[0001] The utility model relates to the technical field related to lithium batteries, in particular to a detachable controller box structure for lithium batteries. Background Art

[0002] New energy vehicles are becoming more and more popular, and their use and maintenance are becoming more and more frequent. When in use, the lithium battery controller needs to improve heat dissipation to improve performance. During maintenance or installation, the lithium battery and the integrated lithium battery control box need to be easily disassembled to reduce the possibility of damage to the lithium battery, the integrated lithium battery control box and the vehicle body.

[0003] The Chinese patent publication number is CN208258216U, and the authorization announcement date is December 18, 2018. A main controller box compatible with multiple structural parts is disclosed, including a main controller box and a main controller box compartment in the main controller box, side panels are installed on both sides of the bottom of the main controller box, and the side panels are installed with a first mounting hole and a second mounting hole, and a number of control panel fixing holes are arranged in the main controller box compartment; a top plate is installed on the top of the main controller box, and a switch, a power interface and a USB interface are arranged on the side of the top plate. When the utility model is connected to the structural parts, the first mounting hole and the second mounting hole with multiple hole spacings and multiple hole diameters can be used. Rivets or iron screws can be used with copper columns to facilitate connection with different structural parts; multiple mounting hole diameters and multiple hole spacings are provided on the same main controller box, so that rivets or iron screws can be used with copper columns to conveniently fix the main controller box on multiple structural parts, and it can be used repeatedly and easily disassembled. The shortcomings of this utility model are that it cannot improve heat dissipation, and cannot be disassembled or assembled separately and conveniently. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art that the heat dissipation cannot be improved and the device cannot be disassembled or assembled separately and conveniently, and provides a detachable lithium battery controller box structure with better heat dissipation and the ability to be disassembled or assembled separately and conveniently.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A detachable controller box structure for a lithium battery comprises a controller insert and a circuit board cover, wherein the cross-section of the controller insert is U-shaped, a controller contact is arranged on the controller insert, the controller contact is arranged inside the controller insert, the controller contact is arranged on the inner bottom surface of the controller insert and is perpendicular to the controller insert, the controller contact and the controller insert are integrally formed, the circuit board cover is arranged on the right side of the controller contact, the circuit board cover is fixedly connected to the controller insert by screws, and the circuit board cover is fixedly connected to the controller contact by screws.

[0007] During installation, the controller strip and the controller connector are integrally formed and more stable, so they can be directly installed on the frame with screws. The shell of the lithium battery is inserted into the controller strip through the U-shaped controller strip. Direct connection makes connection convenient and the lithium battery with a large exposed area can dissipate heat better. Then the lithium battery is connected to the terminals of the controller circuit board through the controller connector. The terminals of the controller circuit board can be well limited and fixed by the controller connector, and then the circuit cover is covered and fixed with screws. When disassembling, you only need to remove the controller strip from the frame without disassembling the entire frame, thereby achieving better heat dissipation and being able to disassemble or assemble separately and conveniently.

[0008] Preferably, the controller plug strip is provided with a hook strip, and the hook strips are provided in a plurality and are evenly distributed on the two inner side walls of the U-shaped controller plug strip, and the hook strips on the inner side wall of one side of the U-shaped controller plug strip are in a straight line, and the hook strip is placed on the left side of the controller contact piece, and the hook strip and the controller plug strip are integrally formed. The hook strip can be conveniently and smoothly plugged into the outer shell of the lithium battery, thereby fixing the lithium battery.

[0009] Preferably, the controller insert is provided with a boss, the boss is placed on the inner bottom surface of the controller insert, the boss is placed on the left side of the controller contact piece, the boss, the controller insert and the controller contact piece are uniformly integrated, and a limiting groove 1 is provided on the upper end surface of the boss. The boss serves as a guide for the direction of the lithium battery and also has a limiting function, while the limiting groove 1 has the function of fixing the lithium battery.

[0010] Preferably, the controller insert is provided with a limiting strip 1, which is placed on the right side of the controller connector. The controller connector is provided with a circuit board terminal through hole, a limiting groove 2 and a limiting strip 2. There are several limiting strips 1 and they are evenly distributed on the inner bottom surface of the controller insert. The limiting strip 1 corresponds to the circuit board terminal through hole. The limiting strip 1 and the controller insert are integrally formed. There are several limiting grooves 2 and they are evenly distributed on the right side of the controller connector. The limiting grooves 2 correspond to the circuit board terminal through hole. There are several limiting strips 2 and they are all placed on the left side of the controller connector. The limiting strip 2 corresponds to the circuit board terminal through hole. The limiting strip 2 and the controller connector are integrally formed. The limiting strip 2 limits the connection port of the lithium battery. The limiting strip 1 and the limiting groove 2 are used to guide and limit the fixing of the controller circuit board terminal, which is convenient for installation and disassembly. The circuit board terminal through hole facilitates the connection between the controller circuit board terminal and the connection port of the lithium battery.

[0011] Preferably, a limiting column is provided on the right end face of the controller insert, and the limiting column has several limiting columns and is integrally formed with the controller insert. The left end face of the circuit board cover is provided with several limiting grooves 3, and the limiting grooves 3 correspond to the limiting columns one by one. The controller insert is clamped with the circuit board cover through the cooperation of the limiting column and the limiting groove 3, and the limiting column is fixedly connected with the circuit board cover through the cooperation of the screw and the limiting groove 3. The limiting column and the limiting groove 3 facilitate the installation and fixation of the circuit board cover.

[0012] Preferably, a plurality of fixing posts are provided on the right end surface of the controller contact piece, the fixing posts and the controller contact piece are integrally formed, a plurality of fixing holes are provided on the circuit board cover, the fixing holes correspond to the fixing posts one by one, and the circuit board cover is fixedly connected to the controller contact piece by the cooperation of screws, fixing holes and fixing posts. The fixing holes and fixing posts are fixed by screws, so that the circuit board cover can be easily disassembled and installed.

[0013] The beneficial effects of the utility model are: better heat dissipation, and the purpose of being able to be disassembled or assembled separately and conveniently; the hook strip can be conveniently and smoothly plugged into the shell of the lithium battery, so as to fix the lithium battery; the platform serves as a direction guide for the card-connected lithium battery and also has a limiting function, and the limiting groove 1 has the function of fixing the lithium battery; the limiting strip 2 limits the connecting port of the lithium battery, the limiting strip 1 and the limiting groove 2 are used to guide and limit the fixing of the controller circuit board terminal, which is convenient for installation and disassembly, and the circuit board terminal through hole facilitates the connection between the controller circuit board terminal and the connecting port of the lithium battery; the limiting column and the limiting groove 3 facilitate the installation and fixation of the circuit board cover; the fixing hole and the fixing column are fixed by screws, which is convenient for the removal and installation of the circuit board cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is an exploded view of the utility model;

[0016] Figure 3 yes Figure 2 An enlarged view of detail A;

[0017] Figure 4 yes Figure 2 An enlarged view of detail B;

[0018] Figure 5 This is a top view of the controller strip;

[0019] Figure 6 yes Figure 5 Cross-sectional view of CC.

[0020] In the figure: 1. controller insert, 2. circuit board cover, 3. controller contact, 4. hook strip, 5. boss, 6. limit slot 1, 7. circuit board terminal through hole, 8. limit slot 2, 9. limit strip 1, 10. limit column, 11. limit slot 3, 12. fixing column, 13. fixing hole, 14. limit strip 2. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0022] like Figure 1 , Figure 2 , Figure 5 and Figure 6 In an embodiment, a detachable controller box structure for a lithium battery includes a controller strip 1 and a circuit board cover 2. The cross-section of the controller strip 1 is U-shaped. A controller contact 3 is provided on the controller strip 1. The controller contact 3 is placed in the controller strip 1. The controller contact 3 is placed on the inner bottom surface of the controller strip 1 and is perpendicular to the controller strip 1. The controller contact 3 is integrally formed with the controller strip 1. The circuit board cover 2 is placed on the right side of the controller contact 3. The circuit board cover 2 is fixedly connected to the controller strip 1 by screws. The circuit board cover 2 is fixedly connected to the controller contact 3 by screws.

[0023] like Figure 1 , Figure 2 and Figure 6 As shown, the controller insert strip 1 is provided with hook strips 4, and there are a plurality of hook strips 4 which are evenly distributed on the two inner side walls of the U-shaped controller insert strip 1. The hook strips 4 on the inner side wall of one side of the U-shaped controller insert strip 1 are in a straight line, and the hook strips 4 are placed on the left side of the controller connector 3. The hook strips 4 and the controller insert strip 1 are integrally formed.

[0024] like Figure 5 and Figure 6 As shown, a boss 5 is provided on the controller insert 1, the boss 5 is placed on the inner bottom surface of the controller insert 1, and the boss 5 is placed on the left side surface of the controller connector 3. The boss 5, the controller insert 1 and the controller connector 3 are uniformly integrated, and a limiting groove 6 is provided on the upper end surface of the boss 5.

[0025] like Figure 2 , Figure 3 and Figure 6As shown, the controller strip 1 is provided with a limit strip 9, which is placed on the right side of the controller contact piece 3. The controller contact piece 3 is provided with a circuit board terminal through hole 7, a limit groove 2 8 and a limit strip 2 14. There are several limit strips 9 and they are evenly distributed on the inner bottom surface of the controller strip 1. The limit strip 9 corresponds to the circuit board terminal through hole 7. The limit strip 9 and the controller strip 1 are integrally formed. There are several limit grooves 2 8 and they are evenly distributed on the right side surface of the controller contact piece 3. The limit grooves 2 8 correspond to the circuit board terminal through hole 7. There are several limit strips 2 14 and they are all placed on the left side surface of the controller contact piece 3. The limit strip 2 14 corresponds to the circuit board terminal through hole 7. The limit strip 2 14 and the controller contact piece 3 are integrally formed.

[0026] like Figures 2 to 4 As shown, a limit post 10 is provided on the right end face of the controller insert 1, and there are several limit posts 10 that are integrally formed with the controller insert 1. A plurality of limit slots 11 are provided on the left end face of the circuit board cover 2, and the limit slots 11 correspond one to one with the limit posts 10. The controller insert 1 is clamped with the circuit board cover 2 through the cooperation of the limit post 10 and the limit slot 11, and the limit post 10 is fixedly connected with the circuit board cover 2 through the cooperation of the screw and the limit slot 11.

[0027] like Figure 1 , Figure 2 and Figure 5 As shown, a plurality of fixing posts 12 are provided on the right end face of the controller contact piece 3, and the fixing posts 12 and the controller contact piece 3 are integrally formed. A plurality of fixing holes 13 are provided on the circuit board cover 2, and the fixing holes 13 correspond one-to-one with the fixing posts 12. The circuit board cover 2 is fixedly connected to the controller contact piece 3 by the cooperation of screws, the fixing holes 13 and the fixing posts 12.

[0028] During installation, the controller strip 1 and the controller connector 3 are integrally formed and more stable, so they can be directly installed on the vehicle frame with screws. The shell of the lithium battery is inserted into the controller strip 1 through the hook strip 4 on the U-shaped controller strip 1. The boss 5 can provide a guide for the installation of the lithium battery, and the limiting groove 1 6 can be directly connected and fixed with the lithium battery shell. This is convenient for connection and the lithium battery with a large exposed area can dissipate heat better. Then, the lithium battery connection port is aligned with the circuit board terminal hole 7 through the limiting strip 2 14 for convenient connection with the terminal of the controller circuit board. The terminal of the controller circuit board can pass through the limiting groove 14 well. The second groove 8 and the limit strip 1 9 are limited and fixed, and then passed through the circuit board terminal hole 7 to connect with the lithium battery connection port, and then the circuit cover 2 is covered, and the limit column 10 and the limit groove three 11 are used to cooperate and snap together, so that the limit column 10 and the limit groove three 11 can be conveniently fixed with screws, and finally the fixing column 12 and the fixing hole 13 are aligned and fixed with screws; when disassembling, it is only necessary to loosen the screws to remove the controller strip 1 from the frame without disassembling the entire frame. To disassemble the controller box and the lithium battery, it is only necessary to unscrew the screws and loosen the snap connection, thereby achieving the purpose of better heat dissipation and independent and convenient disassembly or assembly.

Claims

1. A detachable lithium battery controller box structure, characterized in that: The invention comprises a controller plug strip (1) and a circuit board cover (2), wherein the cross-section of the controller plug strip (1) is U-shaped, a controller contact piece (3) is provided on the controller plug strip (1), the controller contact piece (3) is placed inside the controller plug strip (1), the controller contact piece (3) is placed on the inner bottom surface of the controller plug strip (1) and is perpendicular to the controller plug strip (1), the controller contact piece (3) and the controller plug strip (1) are integrally formed, the circuit board cover (2) is placed on the right side of the controller contact piece (3), the circuit board cover (2) is fixedly connected to the controller plug strip (1) by screws, and the circuit board cover (2) is fixedly connected to the controller contact piece (3) by screws.

2. A detachable lithium battery controller box structure according to claim 1, characterized in that: The controller insert (1) is provided with a hook strip (4), and the hook strips (4) are in plurality and are evenly distributed on two inner side walls of the U-shaped controller insert (1), and the hook strips (4) on the inner side wall of one side of the U-shaped controller insert (1) are in a straight line, and the hook strips (4) are placed on the left side of the controller connector (3), and the hook strips (4) and the controller insert (1) are integrally formed.

3. A detachable lithium battery controller box structure according to claim 1, characterized in that: The controller insert (1) is provided with a boss (5), the boss (5) is placed on the inner bottom surface of the controller insert (1), the boss (5) is placed on the left side surface of the controller connector (3), the boss (5), the controller insert (1) and the controller connector (3) are uniformly integrally formed, and a limiting groove (6) is provided on the upper end surface of the boss (5).

4. A detachable lithium battery controller box structure according to claim 1, characterized in that: The controller plug strip (1) is provided with a first limiting strip (9), the first limiting strip (9) is arranged on the right side of the controller contact piece (3), the controller contact piece (3) is provided with a circuit board terminal through hole (7), a second limiting groove (8) and a second limiting strip (14), there are a plurality of first limiting strips (9) and they are evenly distributed on the inner bottom surface of the controller plug strip (1), the first limiting strip (9) corresponds to the circuit board terminal through hole (7), the first limiting strip (9) and the controller plug strip (1) are integrally formed, there are a plurality of second limiting grooves (8) and they are evenly distributed on the right side surface of the controller contact piece (3), the second limiting groove (8) corresponds to the circuit board terminal through hole (7), there are a plurality of second limiting strips (14) and they are all arranged on the left side surface of the controller contact piece (3), the second limiting strip (14) corresponds to the circuit board terminal through hole (7), and the second limiting strip (14) and the controller contact piece (3) are integrally formed.

5. The detachable lithium battery controller box structure according to claim 1 is characterized in that: A limiting column (10) is provided on the right end surface of the controller insert (1), and the limiting column (10) is in plurality and is integrally formed with the controller insert (1). A plurality of limiting grooves (11) are provided on the left end surface of the circuit board cover (2), and the limiting grooves (11) correspond one to one with the limiting column (10). The controller insert (1) is clamped with the circuit board cover (2) through the cooperation of the limiting column (10) and the limiting grooves (11), and the limiting column (10) is fixedly connected with the circuit board cover (2) through the cooperation of a screw and the limiting grooves (11).

6. A detachable lithium battery controller box structure according to claim 1, characterized in that: A plurality of fixing columns (12) are provided on the right end surface of the controller contact piece (3), the fixing columns (12) and the controller contact piece (3) are integrally formed, a plurality of fixing holes (13) are provided on the circuit board cover (2), the fixing holes (13) correspond one to one with the fixing columns (12), and the circuit board cover (2) is fixedly connected to the controller contact piece (3) by means of screws, the fixing holes (13) and the fixing columns (12).

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