CN212324470U - Circuit board, power storage device and electric vehicle - Google Patents
Circuit board, power storage device and electric vehicle Download PDFInfo
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- CN212324470U CN212324470U CN202020938324.0U CN202020938324U CN212324470U CN 212324470 U CN212324470 U CN 212324470U CN 202020938324 U CN202020938324 U CN 202020938324U CN 212324470 U CN212324470 U CN 212324470U
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- circuit board
- insulating substrate
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- battery structure
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Abstract
The utility model relates to a circuit connection structure's technical field provides a circuit board, accumulate device and electric motor car, and wherein the circuit board includes: the insulating substrate is provided with a containing hole; the fixed end of the electric connecting piece is connected to the insulating substrate, the extending end of the electric connecting piece extends towards the inside of the containing hole, and the extending end is provided with an electric connecting point used for electrically connecting the battery structure; the power storage device and the electric vehicle are provided with the circuit board; the utility model provides a circuit board, accumulate device and electric motor car have following advantage: the insulating substrate is provided with the elastic electric connector, so that a cable connection mode is avoided, and the reliability is improved; in addition, the electric connecting piece is accommodated in the accommodating hole formed in the insulating substrate, so that the electric connecting piece can be prevented from contacting other parts as much as possible, and the short circuit risk is avoided.
Description
Technical Field
The utility model relates to an electric motor car technical field, more specifically say, relate to a circuit board, accumulate device and electric motor car.
Background
Be equipped with the circuit board that is used for the electricity to connect the battery package among the accumulate device of current electric motor car, this circuit board is used for acquireing the state information of battery package and sends control information, and current circuit board design has following problem: the electric connection points on the circuit board and the battery pack are connected by cables, and the cables are easy to fall off due to shaking generated in the running process of the electric vehicle, so that the reliability is low; in addition, the design of the cable also easily causes the short circuit of the circuit board, and the use safety is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board, accumulate device and electric motor car to solve the accumulate device reliability that exists among the prior art and hang down and the low technical problem of security.
In order to achieve the above object, the present invention provides a circuit board, including:
the insulating substrate is provided with a containing hole; and
the electric connector is an elastic piece, the fixed end of the electric connector is connected to the insulating substrate, the extending end of the electric connector extends towards the inside of the containing hole, and the extending end is provided with an electric connection point used for being electrically connected with the battery structure.
In one embodiment, the accommodating hole has a first hole wall and a second hole wall which are oppositely arranged, and the circuit board comprises two electric connectors which are oppositely arranged, wherein one electric connector is connected to the first hole wall, and the other electric connector is connected to the second hole wall.
In one embodiment, the two electrical connectors are offset.
In one embodiment, the electrical connector is integrally formed with the insulating substrate.
In one embodiment, the electrical connector is a metal dome.
In one embodiment, the insulating substrate is provided with a connection pin seat for butting with the battery structure.
In one embodiment, the insulating substrate is provided with a plurality of guide holes.
In one embodiment, the insulating substrate is provided with an elastic thimble for grounding.
Another object of the present invention is to provide an electricity storage device, which comprises a battery structure and the circuit board, wherein the electrical connection point of the electrical connector is electrically connected to the battery structure.
Still another object of the present invention is to provide an electric vehicle equipped with the above-mentioned electric storage device.
The utility model provides a beneficial effect of circuit board, accumulate device and electric motor car lies in:
the insulating substrate is provided with the elastic electric connecting piece, so that the battery structure is convenient to abut against the extending end of the electric connecting piece and is connected with the electric connecting point, the mode of cable connection is avoided, and the reliability is improved; in addition, the extending end of the electric connecting piece is accommodated in the accommodating hole of the insulating substrate, so that the electric connecting piece can be prevented from being contacted with other parts as far as possible, and the short circuit risk is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a three-dimensional structure diagram of a circuit board provided by an embodiment of the present invention;
fig. 2 is an exploded view of an electric storage device according to an embodiment of the present invention.
The figures are numbered:
1-an insulating substrate; 11-a containment hole; 12-connecting the needle seat; 13-a pilot hole; 14-a flexible thimble; 2-an electrical connection; 111-a first pore wall; 112-second pore walls; 3-a battery structure; 31-an electrical connector; 32-a guide structure; 33-damping silica gel ring; 4-battery case.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention, and are not intended to indicate that a device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:
as shown in fig. 1 and fig. 2, an embodiment of the present invention provides a circuit board for electrically connecting with a battery structure 3 in an electricity storage device to acquire battery structure information and output control information to the battery structure 3.
The circuit board includes: an insulating substrate 1 and an electrical connector 2; the insulating substrate 1 is provided with a containing hole 11; the electric connecting piece 2 is an elastic piece, the fixed end of the electric connecting piece 2 is connected to the insulating substrate 1, the extending end of the electric connecting piece 2 extends towards the inside of the containing hole 11, and the extending end is provided with an electric connecting point for electrically connecting the battery structure 3.
The assembly principle of the circuit board provided by the embodiment is as follows:
the battery structure 3 is arranged in the electricity storage device, the battery structure 3 is provided with the electric connector 31, the circuit board is also arranged in the electricity storage device, the electric connector 2 of the circuit board is abutted to the electric connector 31 of the battery structure 3 to realize the electric connection between the two, the cable connection between the two is avoided, meanwhile, the extending end of the electric connector 2 has elasticity, namely, the electric connector 2 and the battery structure 3 are flexibly connected, a small amount of relative displacement can be generated between the two, and the connection failure between the two in the moving process is avoided.
The circuit board provided by the embodiment has the beneficial effects that:
firstly, the insulating substrate 1 is provided with the elastic electric connecting piece 2, so that the battery structure 3 is convenient to abut against the extending end of the electric connecting piece 2 and is connected with the electric connecting point, the mode of adopting cable connection is avoided, and the reliability is improved; secondly, the above design adopts the mode that the electric connector 2 is directly connected with the battery structure 3, so that the space for arranging the cable is saved, and the volume of the power storage device is reduced; finally, the extending end of the electrical connector 2 is accommodated in the accommodating hole 11 of the insulating substrate 1, so that the electrical connector 2 can be prevented from contacting other components as much as possible, and the risk of short circuit is avoided.
In one embodiment, the receiving hole 11 may be provided at the center of the insulating substrate 1. Specifically, when the accommodating hole 11 is provided in the middle of the insulating substrate 1, that is, the electrical connector 2 is located in the middle of the insulating substrate 1, and the electrical connector 31 of the battery structure 3 is electrically connected to the electrical connector 2 by this design, the force of the battery structure 3 applied to the electrical connector 2 can be uniformly transmitted to the insulating substrate 1, so as to improve the connection stability between the electrical connection and the battery structure 3.
In one embodiment, the receiving hole 11 has a first hole wall 111 and a second hole wall 112 disposed oppositely, and the circuit board includes two electrical connectors 2 disposed oppositely, wherein one electrical connector 2 is connected to the first hole wall 111, and the other electrical connector 2 is connected to the second hole wall 112. It can be understood that by arranging the two electrical connection members 2 oppositely, the connection stability between the electrical connection members 2 and the cell structure 3 is improved.
In one embodiment, the accommodating hole 11 has a first hole wall 111 and a second hole wall 112 which are oppositely arranged, and the circuit board includes two electrical connectors 2 which are arranged in a staggered manner, wherein one electrical connector 2 is connected to the first hole wall 111, and the other electrical connector 2 is connected to the second hole wall 112. It can be understood that, by arranging the two electrical connectors 2 in a staggered manner, the above design can reduce the space occupied by the two electrical connectors 2 in the accommodating hole 11 under the condition of satisfying the electrical connection with the battery structure 3, and further can reduce the aperture of the accommodating hole 11, so as to realize the miniaturization of the circuit board.
In one embodiment, the electrical connector 2 is integrally formed with the insulating substrate 1. In the present embodiment, specifically, the electrical connector 2 is formed together by opening the housing hole 11 in the raw material insulating substrate 1 of the insulating substrate 1. It can be understood that the electrical connector 2 is integrally formed with the insulating substrate 1 to improve the processing efficiency.
In one embodiment, the electrical connector 2 is a metal spring, and the electrical connection points are formed on the metal spring. It can be understood that the metal elastic sheet has large deformable amplitude, which is beneficial to the flexible connection between the metal elastic sheet and the battery structure 3; specifically, when the electric vehicle drives the electricity storage device to move, the battery structure 3 can shake at a high frequency, and the connection failure between the metal elastic sheet and the battery structure 3 can be effectively avoided by arranging the metal elastic sheet.
In one embodiment, the insulating base plate 1 is further provided with a connection pin base 12 for interfacing with the battery structure 3. In the embodiment, by providing the connection pin base 12, the connection between the connection pin base 12 and the battery structure 3 can be completed while the insulating substrate 1 is assembled, and the assembly efficiency is improved.
In one embodiment, the insulating substrate 1 is provided with a plurality of guide holes 13. The plurality of guide holes 13 are used for corresponding to the guide structures 32 on the battery structure 3, the guide holes 13 correspond to the guide structures 32 one by one, and the guide structures 32 are also provided with damping silica gel rings 33, so that the damping property between the guide structures 32 and the battery shell 4 or the insulating substrate 1 is improved, the influence caused by high-frequency vibration of the electric vehicle is reduced, and meanwhile, the tolerance between the battery shell 4 or the insulating substrate 1 and the guide structures 32 is eliminated; in addition, the cooperation of the guide structure 32 and the guide hole 13 also limits the displacement of the battery structure 3, so that the battery structure 3 is prevented from generating large displacement when the electric vehicle vibrates at high frequency.
In one embodiment, the insulating substrate 1 is provided with a resilient thimble 14 for grounding. In the present embodiment, when the insulating substrate 1 is mounted, the elastic ejector pins 14 abut on the battery case 4 to realize grounding of the insulating substrate 1, and the above design can release static electricity of the battery structure 3 to the battery case 4 through the elastic ejector pins 14, thereby avoiding damage of the static electricity to the battery structure 3.
The embodiment also provides an electricity storage device, which comprises a battery structure 3 and the circuit board, wherein the electric connection points of the electric connector 2 are electrically connected with the battery structure 3.
The utility model also provides an electric motor car is equipped with foretell accumulate device.
The beneficial effect of the power storage device and the electric vehicle that this embodiment provided lies in:
firstly, the insulating substrate 1 is provided with the elastic electric connecting piece 2, so that the battery structure 3 is convenient to abut against the extending end of the electric connecting piece 2 and is connected with the electric connecting point, the mode of adopting cable connection is avoided, and the reliability is improved; secondly, the above design adopts the mode that the electric connector 2 is directly connected with the battery structure 3, so that the space for arranging the cable is saved, and the volume of the power storage device is reduced; finally, the extending end of the electrical connector 2 is accommodated in the accommodating hole 11 of the insulating substrate 1, so that the electrical connector 2 can be prevented from contacting other components as much as possible, and the risk of short circuit is avoided.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A circuit board, comprising:
the insulating substrate is provided with a containing hole; and
the electric connector is an elastic piece, the fixed end of the electric connector is connected to the insulating substrate, the extending end of the electric connector extends towards the inside of the containing hole, and the extending end is provided with an electric connection point used for being electrically connected with the battery structure.
2. The circuit board of claim 1, wherein said receiving cavity has a first cavity wall and a second cavity wall opposite to each other, said circuit board comprising two electrical connectors opposite to each other, one of said electrical connectors being connected to said first cavity wall and the other of said electrical connectors being connected to said second cavity wall.
3. The circuit board of claim 2, wherein the two electrical connectors are offset.
4. The circuit board of claim 1, wherein the electrical connector is integrally formed with the dielectric substrate.
5. The circuit board of claim 1, wherein the electrical connector is a metal dome.
6. The circuit board of any one of claims 1 to 5, wherein the insulating substrate is provided with a connection pin seat for interfacing with the battery structure.
7. The circuit board according to any one of claims 1 to 5, wherein the insulating substrate is provided with a plurality of guide holes.
8. The circuit board according to any one of claims 1 to 5, wherein the insulating substrate is provided with a resilient pin for grounding.
9. An electrical storage device comprising a battery structure and a circuit board according to any of claims 1 to 8, the electrical connection points of the electrical connector being electrically connected to the battery structure.
10. An electric vehicle characterized by being provided with the electric storage device according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020938324.0U CN212324470U (en) | 2020-05-28 | 2020-05-28 | Circuit board, power storage device and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020938324.0U CN212324470U (en) | 2020-05-28 | 2020-05-28 | Circuit board, power storage device and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212324470U true CN212324470U (en) | 2021-01-08 |
Family
ID=74021953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020938324.0U Active CN212324470U (en) | 2020-05-28 | 2020-05-28 | Circuit board, power storage device and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212324470U (en) |
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2020
- 2020-05-28 CN CN202020938324.0U patent/CN212324470U/en active Active
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