CN212874688U

CN212874688U - Terminal assembly subassembly and electricity core module

Info

Publication number: CN212874688U
Application number: CN202021904110.8U
Authority: CN
Inventors: 唐泳聪; 徐博豪; 顾妍妍; 张国祥
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-02
Anticipated expiration: 2030-09-03

Abstract

The utility model relates to the technical field of batteries, a terminal assembly subassembly and electric core module are disclosed. The terminal assembly component is arranged in the battery cell module and comprises an insulating support and an FPC component. The one end of insulating support extends and is provided with the installation department, and the installation department has the holding tank, and the lateral wall of holding tank is provided with the buckle. The FPC assembly comprises a terminal, an FPC board and an insulating board which are fixedly connected in sequence, and the end part of the FPC board is clamped between the insulating board and the terminal. The fixed orifices has been seted up to the insulation board, and the terminal is located the holding tank, and the buckle block is in the fixed orifices. The battery cell module comprises the terminal assembly component. The terminal is installed in the holding tank of installation department, has satisfied terminal assembly subassembly's insulating requirement. Terminal assembly's weight is little, is favorable to reducing the weight of electric core module and improves energy density. The terminal assembling component is simple in mounting structure and easy and convenient to operate, the assembling efficiency of the terminal assembling component is improved, and automatic production is facilitated.

Description

Terminal assembly subassembly and electricity core module

Technical Field

The utility model relates to a battery technology field especially relates to a terminal assembly subassembly and electric core module.

Background

With the rapid development of the new energy battery industry, the requirements on the insulation performance and the automatic production of the battery are higher and higher.

The terminal of the collection temperature in the current electric core module and voltage is usually supported in metal support and through the bolt fastening in electric core module insulating support. In order to avoid short circuit of the terminal contacting the metal support, the pins of the terminal need to be packaged in an insulating way. And metal support and bolt have increased the weight of electric core module, have reduced the energy density of electric core module. In addition, the screws need to be screwed and installed, the assembly process is complex, automatic production cannot be realized, and the production cost is increased.

Therefore, a terminal assembly and a battery cell module are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal assembly subassembly to it is poor to solve the insulating effect of the mounting structure of terminal in the current electric core module, and weight is big and the assembling process is complicated, can't realize automated production's problem.

To achieve the purpose, the technical proposal adopted by the utility model is that:

the utility model provides a terminal assembly subassembly installs in electric core module, includes:

the insulating support is provided with an installation part in an extending mode, the installation part is provided with an accommodating groove, and a buckle is arranged on the side wall of the accommodating groove;

the FPC assembly comprises a terminal, an FPC board and an insulating board which are fixedly connected in sequence, and the end part of the FPC board is clamped between the insulating board and the terminal; the insulation board is provided with a fixing hole, the terminal is located in the accommodating groove, and the buckle is clamped in the fixing hole.

Preferably, the receiving groove has a horizontal opening and a vertical opening connected, and the FPC assembly slides into the receiving groove through the horizontal opening and/or the vertical opening.

Preferably, the periphery of the terminal is provided with a latch, a through hole is formed in the end portion of the FPC board, the insulating board is further provided with a clamping groove, and the latch penetrates through the through hole and is clamped in the clamping groove.

Preferably, the installation portion is perpendicular to the insulating support extends and sets up and can butt in the end plate of electricity core module.

Preferably, the bottom of installation department constructs the stopper, the stopper can peg graft in the louvre of end plate.

Preferably, the FPC board includes a horizontal section and a vertical section connected, and the vertical section and the insulating board are fixedly connected to the terminal; the insulating support is provided with a positioning groove, and the horizontal section is located in the positioning groove.

Preferably, the horizontal section is provided with a positioning hole, and the bottom of the positioning groove is provided with a positioning column inserted in the positioning hole.

Preferably, the number of the positioning columns is multiple, and the positioning columns are arranged at the bottom of the positioning groove at equal intervals; the positioning holes and the positioning columns are the same in number and are correspondingly spliced one by one.

Preferably, the number of the buckles is at least two, and the number of the fixing holes is the same as that of the buckles and the buckles are correspondingly buckled one to one.

Another object of the utility model is to provide an electricity core module to it is poor to solve the insulating effect of mounting structure of terminal in the current electricity core module, and weight is big and the assembling process is complicated, can't realize automated production's problem.

a battery cell module comprises the terminal assembly component.

The utility model has the advantages that:

the utility model discloses a terminal assembly subassembly extends on insulating support and sets up the installation department, and the terminal passes through the insulation board to be installed in the holding tank of installation department for the terminal is in good insulating environment, has satisfied the insulating requirement of terminal assembly subassembly. For metal support, the utility model discloses a terminal assembly subassembly's weight is little, is favorable to reducing the weight of electric core module and improves energy density. The fixing hole of the insulating plate is clamped in the buckle of the accommodating groove, so that the terminal assembly component is quickly installed, the installation structure is simple, the operation is simple and convenient, the assembly efficiency of the terminal assembly component is improved, and the realization of automatic production is facilitated.

The utility model discloses an electricity core module includes above-mentioned terminal assembly subassembly, extends on insulating support and sets up the installation department, and the terminal passes through the insulation board to be installed in the holding tank of installation department for the terminal is in good insulating environment, has satisfied the insulating requirement of terminal assembly subassembly. For metal support, the utility model discloses a terminal assembly subassembly's weight is little, is favorable to reducing the weight of electric core module and improves energy density. The fixing hole of insulation board block has realized the quick installation of electric core module in the buckle of holding tank, and its mounting structure is simple, and is easy and simple to handle, has improved the packaging efficiency of electric core module, is favorable to realizing automated production.

Drawings

Fig. 1 is a schematic structural diagram of a battery cell module according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a battery cell module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a part of a terminal assembly provided in an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

fig. 5 is a partially enlarged view at B in fig. 2.

The component names and designations in the drawings are as follows:

10. a battery cell module; 101. an end plate; 1011. heat dissipation holes; 102. an electric core; 103. a housing; 104. a cover plate; 105. aluminum bars;

1. an insulating support; 11. an installation part; 111. accommodating grooves; 1111. buckling; 112. a limiting block; 12. positioning a groove; 121. a positioning column; 2. a terminal; 21. clamping teeth; 3. an FPC board; 31. a horizontal segment; 311. positioning holes; 312. a nickel strap; 32. a vertical section; 321. a through hole; 4. an insulating plate; 41. a fixing hole; 42. a clamping groove.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present embodiment discloses a terminal assembly installed in a cell module 10, and the terminal assembly includes an insulating support 1 and an FPC assembly. One end of the insulating bracket 1 is extended to be provided with a mounting part 11, the mounting part 11 is provided with a receiving groove 111, and a side wall of the receiving groove 111 is provided with a buckle 1111. The FPC subassembly includes terminal 2, FPC board 3 and the insulation board 4 of fixed connection in proper order, and the tip of FPC board 3 presss from both sides and locates between insulation board 4 and terminal 2. Insulating plate 4 has seted up fixed orifices 41, and terminal 2 is located the holding tank 111, and buckle 1111 block is in fixed orifices 41.

In this embodiment, the mounting portion 11 is extended from the insulating support 1, and the terminal 2 is mounted in the receiving groove 111 of the mounting portion 11 through the insulating plate 4, so that the terminal 2 is in a good insulating environment, and the insulating requirement of the terminal assembly is met. The utility model discloses a terminal assembly subassembly's weight is little, is favorable to reducing the weight of electric core module 10 and improves the energy density of electric core module 10. The fixing hole 41 of the insulating plate 4 is clamped in the clamping buckle 1111 of the accommodating groove 111, so that the terminal assembling component is quickly installed, the installing structure is simple, the operation is simple and convenient, the assembling efficiency of the terminal assembling component is improved, and the automatic production is favorably realized.

The embodiment also discloses a battery cell module 10, and the battery cell module 10 comprises the terminal assembly component. This terminal assembly subassembly of electric core module 10's simple structure, it is easy and simple to handle, improved electric core module 10's packaging efficiency, be favorable to realizing automated production. Install above-mentioned terminal assembly subassembly's electric core module 10, reduced the total weight, be favorable to improving electric core module 10's energy density.

As shown in fig. 1 and fig. 2, the battery cell module 10 further includes a casing 103, a cover plate 104, and a battery core pack. Wherein the battery pack comprises battery cells 102 and end plates 101. A plurality of electric cores 102 set up side by side and bond and form electric core body, and end plate 101 is installed at the both ends of electric core body. The battery cell group is installed in the casing 103, and the end plate 101 is connected with the side wall of the casing 103 to form a cavity for accommodating the battery cell body, and the cover plate 104 covers the top end of the casing 103, so that the cavity has a good insulation sealing effect. The end of the cell body with the terminal post faces upward, and the terminal assembly is mounted between the cell body and the cover plate 104, so that the terminal assembly is convenient for collecting the voltage and temperature of the cell 102.

As shown in fig. 1 and 2, the mounting portion 11 extends perpendicular to the insulating support 1 and can abut against the end plate 101 of the cell module 10.

Specifically, installation department 11 perpendicular to insulating support 1's extending direction and vertical setting have reduced insulating support 1 in the length of horizontal direction, are favorable to reducing the length of electric core module 10, reduce area.

Preferably, the bottom of the mounting portion 11 is configured with a stopper 112, and the stopper 112 can be inserted into the heat radiation hole 1011 of the end plate 101.

As shown in fig. 1 and 2, the insulating support 1 is installed in the cell module 10, and the installation portion 11 is located in the groove of the end plate 101, so that the installation portion 11 is prevented from protruding out of the end plate 101, the occupied space of the cell module 10 is increased, and the installation and the use of the cell module 10 are affected. When the installation part 11 is located the recess of end plate 101, the stopper 112 of installation part 11 can peg graft in the louvre 1011 of recess bottom on end plate 101, makes the recess of end plate 101 have the function of bearing and location installation part 11, has reduced the range of rocking when installation part 11 receives impact or vibrations. The specific structure and size of the limiting block 112 only need to be capable of being stably inserted into the heat dissipation hole 1011, and is not specifically limited herein.

As shown in fig. 2, 3 and 4, the FPC board 3 includes a horizontal section 31 and a vertical section 32 connected, and the vertical section 32 and the insulating board 4 are fixedly connected to the terminal 2. The insulating support 1 is provided with a positioning groove 12, and the horizontal section 31 is positioned in the positioning groove 12.

The FPC board 3 of the present embodiment is an L-shaped flexible circuit board, and a central line portion of the upper surface of the insulating support 1 is depressed downward to form a positioning groove 12. The positioning groove 12 extends to both ends of the insulating support 1 along the length direction of the insulating support 1, and the positioning groove 12 communicates with the accommodating groove 111 of the mounting portion 11 at one end of the mounting portion 11 through a horizontal opening described later to form an L-shaped groove adapted to the FPC board 3.

Preferably, the horizontal segment 31 is provided with a positioning hole 311, and the bottom of the positioning groove 12 is provided with a positioning column 121 inserted into the positioning hole 311. After the vertical section 32 fixedly provided with the terminal 2 and the insulating plate 4 slides into the accommodating groove 111, the rest part of the FPC board 3 is bent to form the horizontal section 31, and the positioning hole 311 on the horizontal section 31 is inserted into the positioning column 121, so that the FPC board 3 is conveniently and efficiently positioned and mounted.

Preferably, the number of the positioning posts 121 is multiple, and the multiple positioning posts 121 are disposed at the bottom of the positioning groove 12 at equal intervals. The number of the positioning holes 311 is the same as that of the positioning columns 121, and the positioning holes are correspondingly inserted one by one. In this embodiment, the number of the positioning posts 121 is three, and the number of the positioning holes 311 of the horizontal section 31 of the FPC board 3 is also three. Of course, the number of the positioning posts 121 and the positioning holes 311 may also be one, two, four or more than four.

It should be noted that the upper surface of the insulating support 1 also supports a plurality of aluminum bars 105, and the aluminum bars 105 are uniformly distributed on two sides of the positioning groove 12 and are welded to the corresponding poles of the battery cell 102. A plurality of nickel strips 312 are welded on the horizontal section 31 of the FPC board 3 at intervals, and the FPC board 3 is welded to the aluminum bar 105 through the nickel strips 312 to form a part of an acquisition circuit for acquiring the temperature and voltage of the electric core 102.

As shown in fig. 3 and 5, the receiving groove 111 has a horizontal opening and a vertical opening connected thereto, and the FPC assembly is slid into the receiving groove 111 through the horizontal opening and/or the vertical opening. When the insulating plate 4 of the embodiment slides into the receiving groove 111 through the vertical opening of the receiving groove 111, the fixing hole 41 of the insulating plate 4 is engaged with the engaging portion 1111 of the side wall of the receiving groove 111, so that the terminal 2 can be stably mounted in the receiving groove 111. Compare in current terminal pass through bolted connection on metal support, terminal 2 in this embodiment only need slide in holding tank 111, can realize quick installation through buckle 1111 and fixed orifices 41 block, and is easy and simple to handle, has improved terminal 2's assembly efficiency.

It should be noted that after the terminal 2 slides into the receiving slot 111, the plug wire port of the terminal 2 is exposed through the vertical opening of the receiving slot 111 for connecting with an external circuit. The acquisition circuit for acquiring the temperature and the voltage of the battery cell module 10 is a conventional technical means of those skilled in the art, and the detailed connection and acquisition process thereof are not described herein again.

As shown in fig. 3 and 5, the latch 21 is disposed on the periphery of the terminal 2, the through hole 321 is disposed at the end of the FPC board 3, the clip groove 42 is further disposed on the insulating board 4, and the latch 21 passes through the through hole 321 and is clipped in the clip groove 42, so that the terminal 2, the FPC board 3 and the insulating board 4 are fixedly mounted together.

Preferably, the insulating plate 4 is an epoxy glass cloth laminate. The epoxy glass cloth laminated board has good insulating property and strength and low cost. The insulating board 4 has better setting effect to FPC board 3, and terminal 2 passes through epoxy glass cloth laminated board fixed mounting to FPC board 3's tip, has improved the intensity of FPC subassembly.

Preferably, the number of the buckles 1111 is at least two, and the number of the fixing holes 41 is the same as the number of the buckles 1111, and the buckles are engaged with each other in a one-to-one correspondence. The plurality of buckles 1111 are engaged with the corresponding fixing holes 41, so that the connection strength between the insulating plate 4 and the accommodating groove 111 is improved, and the terminal 2 is reliably mounted. Since the sizes of the mounting portion 11 and the terminal 2 are generally small, in order to balance the processing cost and the fastening strength, the number of the snaps 1111 in the present embodiment is two, and two fixing holes 41 are correspondingly provided in the insulating plate 4. Of course, the number of the snap 1111 and the fixing hole 41 may also be one, three or more.

In the present embodiment, the positioning hole 311, the through hole 321, and the fixing hole 41 are preferably circular holes, which facilitates processing. The positioning hole 311, the through hole 321, and the fixing hole 41 may be other polygonal holes. The specific dimensions thereof are not particularly limited herein.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a terminal assembly subassembly installs in electric core module, its characterized in that includes:

the insulating support (1), one end of the insulating support (1) extends to form an installation part (11), the installation part (11) is provided with a containing groove (111), and the side wall of the containing groove (111) is provided with a buckle (1111);

the FPC assembly comprises a terminal (2), an FPC board (3) and an insulating board (4) which are fixedly connected in sequence, and the end part of the FPC board (3) is clamped between the insulating board (4) and the terminal (2); fixed orifices (41) have been seted up in insulation board (4), terminal (2) are located holding tank (111), buckle (1111) block in fixed orifices (41).

2. A terminal fitting assembly according to claim 1, wherein the receiving groove (111) has a horizontal opening and a vertical opening connected, and the FPC assembly is slid into the receiving groove (111) through the horizontal opening and/or the vertical opening.

3. The terminal assembling component of claim 1, wherein the periphery of the terminal (2) is provided with a latch (21), the end of the FPC board (3) is provided with a through hole (321), the insulating board (4) is further provided with a clamping groove (42), and the latch (21) passes through the through hole (321) and is clamped in the clamping groove (42).

4. The terminal mounting assembly according to claim 1, wherein the mounting portion (11) extends perpendicularly to the insulating support (1) and is capable of abutting against an end plate (101) of the cell module.

5. The terminal fitting assembly according to claim 4, wherein a stopper (112) is formed at the bottom of the mounting portion (11), and the stopper (112) can be inserted into the heat dissipation hole (1011) of the end plate (101).

6. A terminal fitting assembly according to claim 1, wherein the FPC board (3) comprises a horizontal section (31) and a vertical section (32) connected, the vertical section (32), the insulating plate (4) and the terminal (2) being fixedly connected; the insulation support (1) is provided with a positioning groove (12), and the horizontal section (31) is located in the positioning groove (12).

7. The terminal assembly of claim 6, wherein the horizontal section (31) is provided with a positioning hole (311), and a positioning post (121) inserted into the positioning hole (311) is disposed at the bottom of the positioning groove (12).

8. The terminal fitting assembly according to claim 7, wherein the number of the positioning posts (121) is plural, and the positioning posts (121) are equally spaced at the bottom of the positioning groove (12); the number of the positioning holes (311) is the same as that of the positioning columns (121), and the positioning holes are correspondingly spliced one by one.

9. The terminal fitting assembly according to claim 1, wherein the number of the snaps (1111) is at least two, and the fixing holes (41) are the same as the snaps (1111) in number and are engaged in a one-to-one correspondence.

10. A battery cell module, comprising the terminal assembly of any of claims 1-9.