CN214505835U - Low-voltage communication connector and battery system - Google Patents
Low-voltage communication connector and battery system Download PDFInfo
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- CN214505835U CN214505835U CN202120325996.9U CN202120325996U CN214505835U CN 214505835 U CN214505835 U CN 214505835U CN 202120325996 U CN202120325996 U CN 202120325996U CN 214505835 U CN214505835 U CN 214505835U
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- 238000004891 communication Methods 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a low pressure communication connector and battery system belongs to power battery technical field. The low-voltage communication connector comprises a plug, a mounting seat and a PIN needle, wherein the plug is fixedly arranged on the BMS mainboard; the mounting seat is fixedly arranged on the cover plate, the plug can be fixedly connected with the mounting seat, and the mounting seat can be fixedly connected with a wiring harness connector at the end of the whole vehicle; the plug is worn to locate by the PIN needle, and the one end electricity of PIN needle is connected in the BMS mainboard, and the other end electricity of PIN needle is connected in the pencil connector of whole car end. The battery system comprises the low-voltage communication connector. The utility model discloses a low pressure communication connector and battery system has realized the electricity between BMS mainboard and the pencil connector of whole car end through setting up PIN needle, has replaced the communication pencil electricity, has simplified the low pressure communication connector; the plug and the mounting seat are connected when the cover plate is assembled with the BMS mainboard, so that the assembly process is simplified, and the assembly is convenient.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a low pressure communication connector and battery system.
Background
With the support of national policies in recent years, the new energy battery in China is rapidly popularized from an automobile power battery to the fields of rail transit, ship shipping, industrial docks, storage transportation, household power supplies and the like.
The battery system comprises a low-voltage communication structure to realize the communication between the battery system and the whole vehicle, the common low-voltage communication structure comprises a BMS terminal plug-in, a communication wire harness and a whole vehicle terminal plug-in, and plugs arranged at two ends of the communication wire harness are respectively connected with the BMS terminal plug-in and the whole vehicle terminal plug-in, so that the connection between the BMS terminal and the whole vehicle terminal is realized, however, the size of the connection mode is larger. When the size of the low-voltage system is small, the arrangement of internal parts is limited more, the space is very compact, and when the cover plate of the battery system is covered, the internal space is difficult to meet the requirement of the communication wiring harness bending and stacking on the space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low pressure communication connector, reduce cost simplifies the structure, the equipment of being convenient for.
To achieve the purpose, the utility model adopts the following technical proposal:
a low-voltage communications connector, comprising:
the plug is fixedly arranged on the BMS mainboard;
the mounting seat is fixedly arranged on the cover plate, the plug can be fixedly connected with the mounting seat, and the mounting seat can be fixedly connected with a wiring harness connector at the end of the whole vehicle;
and the PIN needle penetrates through the plug, one end of the PIN needle is electrically connected to the BMS mainboard, and the other end of the PIN needle is electrically connected to a wiring harness connector at the end of the whole vehicle.
Optionally, the mounting seat has a mounting hole along a first direction, the first direction is along the cover plate and the assembly direction of the BMS motherboard, the plug can penetrate through the mounting hole, and the mounting seat is connected with the plug in an inserting manner.
Optionally, the periphery of plug is provided with first joint portion, the plug with the mount pad passes through first joint portion joint, first joint portion with plug integrated into one piece.
Optionally, the low pressure communication connector still includes the sealing washer, the periphery of plug is seted up and is used for the installation the seal groove of sealing washer, just the seal groove with plug integrated into one piece.
Optionally, the PIN extends out of an end of the plug near the BMS board and forms a first PIN contact that is welded with the BMS board.
Optionally, the PIN extends out of one end of the plug, which is close to the harness connector of the vehicle end, and forms a second PIN contact, and the second PIN contact is plugged with the harness connector of the vehicle end.
Optionally, the periphery of mount pad is provided with second joint portion, the mount pad with the pencil connector of whole car end passes through second joint portion joint, second joint portion with mount pad integrated into one piece.
Optionally, one of the plug and the mounting seat is provided with a guide groove along the first direction, and the other is provided with a guide boss along the first direction, wherein the guide groove and the guide boss can be in sliding fit.
Optionally, the mounting seat and the cover plate are of an integral structure, or the mounting seat and the cover plate are of a split structure.
Another object of the present invention is to provide a battery system, which is low in cost, simple in structure and easy to assemble.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery system comprises the low-voltage communication connector.
The utility model has the advantages that:
the utility model provides a pair of low pressure communication connector, through setting up the PIN needle that wears to locate the plug, the both ends of PIN needle are connected electrically respectively in BMS mainboard and the pencil connector of whole car end to realize through the PIN needle that the electricity between BMS mainboard and the pencil connector of whole car end is connected, avoided using the pencil connector of communication pencil electricity connection BMS mainboard and whole car end, simplified low pressure communication connector; the cost of the PIN is low, so that the cost of the low-voltage communication connector is reduced; the plug and the mounting seat are respectively and fixedly connected with the BMS mainboard and the cover plate, the plug and the mounting seat are fixedly connected after the BMS mainboard and the cover plate are assembled, the mounting seat is used as an intermediate connection carrier, and the fixed connection between the plug and the harness connector at the whole vehicle end is realized by respectively arranging structures matched with the plug and the harness connector at the whole vehicle end on the mounting seat; the plug and the mounting seat are connected when the cover plate is assembled with the BMS mainboard, so that the assembly process is simplified, and the assembly is convenient.
The utility model provides a pair of battery system, through using foretell low pressure communication connector, reduced manufacturing cost, simplified the structure, the equipment of being convenient for.
Drawings
Fig. 1 is a schematic structural view of a low-voltage communication connector according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an assembly structure of a plug and a PIN according to an embodiment of the present invention.
In the figure:
100-BMS mainboard; 200-a cover plate;
1-a plug; 11-a first snap-in part; 2-mounting a base; 21-a second clamping part; 22-mounting holes; 31-a first pin contact; 32-second pin contacts; 4-sealing ring.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
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.
This embodiment has improved a battery system, and BMS mainboard 100 is used for battery system's internal data acquisition, and BMS mainboard 100 is connected with the control system of whole car, has realized that battery system and whole car control system's communication are connected to realize real-time feedback. In the prior art, the BMS board 100 is usually connected to the control system of the vehicle through a communication harness, however, the communication harness has a large structural size, and the internal space of the battery system is difficult to meet the use requirement.
In order to solve the above problem, the present embodiment provides a low voltage communication connector, which includes a plug 1, a mounting seat 2 and PIN PINs, specifically, as shown in fig. 1 and fig. 2, the plug 1 is fixedly disposed on the BMS board 100, the mounting seat 2 is fixedly disposed on the cover plate 200, the plug 1 can be fixedly connected with the mounting seat 2, and the mounting seat 2 can be fixedly connected with the harness connector at the entire vehicle end, the PIN PINs are inserted into the plug 1, one end of the PIN PINs is electrically connected to the BMS board 100, and the other end of the PIN PINs is electrically connected to the harness connector at the entire vehicle end.
Through the arrangement of the PIN PINs penetrating through the plug 1, two ends of the PIN PINs are respectively and electrically connected with the BMS mainboard 100 and the harness connector at the whole vehicle end, so that the electrical connection between the BMS mainboard 100 and the harness connector at the whole vehicle end is realized through the PIN PINs, the condition that the BMS mainboard 100 and the harness connector at the whole vehicle end are electrically connected by using a communication harness is avoided, and the low-voltage communication connector is simplified; the cost of the PIN is low, so that the cost of the low-voltage communication connector is reduced; the plug 1 and the mounting seat 2 are respectively and fixedly connected with the BMS mainboard 100 and the cover plate 200, the plug 1 and the mounting seat 2 are fixedly connected after the BMS mainboard 100 and the cover plate 200 are assembled, the mounting seat 2 is used as an intermediate connection carrier, and the fixed connection between the plug 1 and the harness connector at the whole vehicle end is realized by respectively arranging a structure matched with the plug 1 and the harness connector at the whole vehicle end on the mounting seat 2; the plug 1 and the mounting base 2 are connected while the cover plate 200 is assembled with the BMS board 100, so that the assembling process is simplified and the assembly is facilitated.
Optionally, as shown in fig. 1, mounting hole 22 has been seted up along the first direction to mount pad 2, the first direction sets up along the equipment direction of apron 200 and BMS mainboard 100, the first direction is a direction, mounting hole 22 can be worn to locate by plug 1, mount pad 2 is connected with plug 1 plug-in connection, PIN is worn to locate by plug 1 and is made the PIN wear to locate mounting hole 22, realized PIN both ends respectively with BMS mainboard 100 and the pencil connector direct contact connection of whole car end, thereby realized that BMS mainboard 100 and the pencil connector of whole car end directly connect through PIN electricity, avoid using the middleware switching, further simplified structure.
Generally, the whole vehicle end wiring harness connector is also in plug connection with the PIN, and optionally, the PIN extends out of one end of the plug 1 close to the whole vehicle end wiring harness connector to form a second PIN contact 32, and the second PIN contact 32 is plugged with the whole vehicle end wiring harness connector. Preferably, the PIN is inserted into the plug 1 along the first direction, that is, the second PIN contact 32 extends out of the plug 1 along the first direction, so that the PIN is conveniently inserted into and matched with a wire harness connector at the end of the whole vehicle.
Optionally, a guide groove is formed in the plug 1 along the first direction, a guide boss is arranged on the mounting seat 2 along the first direction, the guide groove and the guide boss can be in sliding fit, the structure is simple, and the plug 1 and the mounting seat 2 can be conveniently assembled. In the same way, optionally, a guide groove may also be formed in the mounting base 2 along the first direction, a guide boss is arranged on the plug 1 along the first direction, and the guide groove and the guide boss can be in sliding fit, so that the plug 1 and the mounting base 2 can be assembled conveniently.
Optionally, a first clamping portion 11 is arranged on the periphery of the plug 1, and the plug 1 and the mounting base 2 are clamped through the first clamping portion 11, so that the plug 1 and the mounting base 2 are stably connected; further, the first clamping portion 11 and the plug 1 are integrally formed, and assembling processes of the first clamping portion 11 and the plug 1 are reduced. Specifically, as shown in fig. 2, the first clamping portion 11 may be a protrusion protruding from the outer periphery of the plug 1, and is used for limiting the play of the plug 1 and the mounting base 2 along a first direction, i.e., an installation direction, so that the installation is stable, and the first clamping portion 11 and the plug 1 may be formed by injection molding.
Optionally, the periphery of the mounting base 2 is provided with a second clamping portion 21, the mounting base 2 and the harness connector at the whole vehicle end are clamped by the second clamping portion 21, and the second clamping portion 21 and the mounting base 2 are integrally formed. Specifically, as shown in fig. 1, the second fastening portion 21 may be a protrusion protruding from the outer periphery of the mounting base 2, and is used for limiting the movement of the mounting base 2 and the harness connector at the end of the entire vehicle along the first direction, i.e., the mounting direction, so that the mounting is stable.
Optionally, the mounting base 2 and the cover plate 200 are of an integral structure, and the second clamping portion 21 and the mounting base 2 can be formed by injection molding, so that the assembling process is reduced. Specifically, the mounting base 2 and the cover plate 200 are integrally formed by injection molding based on the second clamping portion 21. Alternatively, the mounting seat 2 and the cover plate 200 may be of a separate structure.
Optionally, the plug 1 is hermetically connected with the mounting seat 2 to improve the sealing performance of the internal space of the battery system. In the embodiment, the low-voltage communication connector further comprises a sealing ring 4, the sealing ring 4 is sleeved in the sealing groove through elastic deformation of the sealing ring 4, and the inner wall of the mounting seat 2 is pressed on the periphery of the sealing ring 4 so as to press the sealing ring 4 on the plug 1, so that the plug 1 is hermetically connected with the mounting seat 2; specifically, the periphery of plug 1 is offered the seal groove that is used for installing sealing washer 4, and seal groove and plug 1 integrated into one piece, and the sealing washer 4 installation of being convenient for and the sealing washer 4 joint of being convenient for are spacing in the seal groove.
As shown in fig. 2, in this embodiment, the PIN protrudes from one end of the plug 1 close to the BMS board 100 to form the first PIN contact 31, and the first PIN contact 31 is welded to the BMS board 100, so that the PIN is fixedly connected and electrically connected to the BMS board 100, and the connection stability is good.
Further optionally, the assembly process step of the low-voltage communication connector comprises: a PIN needle is arranged on the plug 1 in a penetrating mode, and the periphery of the plug 1 is sleeved with a sealing ring 4; the PIN is welded on the BMS mainboard 100; mounting the cover plate 200 on the BMS board 100, thereby enabling the plug 1 to penetrate through the mounting seat 2; and then the wiring harness connector at the end of the whole vehicle is connected to the mounting seat 2 according to the use requirement.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A low-voltage communications connector, comprising:
a plug (1) fixedly arranged on the BMS main board (100);
the mounting seat (2) is fixedly arranged on the cover plate (200), the plug (1) can be fixedly connected with the mounting seat (2), and the mounting seat (2) can be fixedly connected with a wiring harness connector at the end of the whole vehicle;
and the PIN is arranged on the plug (1) in a penetrating mode, one end of the PIN is electrically connected to the BMS mainboard (100), and the other end of the PIN is electrically connected to a wiring harness connector at the finished automobile end.
2. The low-voltage communication connector assembly according to claim 1, wherein the mounting seat (2) has a mounting hole (22) formed along a first direction, the first direction is arranged along an assembling direction of the cover plate (200) and the BMS main board (100), the plug (1) can be inserted into the mounting hole (22), and the mounting seat (2) is connected to the plug (1) in a plugging manner.
3. The low-voltage communication connector assembly according to claim 2, wherein a first clamping portion (11) is arranged on the periphery of the plug (1), the plug (1) and the mounting base (2) are clamped through the first clamping portion (11), and the first clamping portion (11) and the plug (1) are integrally formed.
4. The low-voltage communication connector assembly according to claim 1, further comprising a sealing ring (4), wherein a sealing groove for mounting the sealing ring (4) is formed in the outer periphery of the plug (1), and the sealing groove and the plug (1) are integrally formed.
5. Low voltage communication connector according to any one of claims 1 to 4, wherein the PIN protrudes from an end of the plug (1) close to the BMS board (100) and forms a first PIN contact (31), the first PIN contact (31) being soldered to the BMS board (100).
6. The low-voltage communication connector according to any one of claims 1 to 4, wherein the PIN protrudes from an end of the plug (1) close to the vehicle-end harness connector and forms a second PIN contact (32), the second PIN contact (32) being plugged into the vehicle-end harness connector.
7. The low-voltage communication connector according to any one of claims 1 to 4, wherein a second clamping portion (21) is arranged on the periphery of the mounting seat (2), the mounting seat (2) and the harness connector at the end of the whole vehicle are clamped through the second clamping portion (21), and the second clamping portion (21) and the mounting seat (2) are integrally formed.
8. The connector assembly according to claim 2, wherein one of the plug (1) and the mounting seat (2) has a guide groove formed thereon along the first direction, and the other has a guide projection formed thereon along the first direction, the guide groove and the guide projection being slidably engaged with each other.
9. The connector assembly according to any one of claims 1 to 4, wherein the mounting seat (2) and the cover plate (200) are of an integral structure, or the mounting seat (2) and the cover plate (200) are of a separate structure.
10. A battery system comprising a low voltage communications connector according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325996.9U CN214505835U (en) | 2021-02-04 | 2021-02-04 | Low-voltage communication connector and battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120325996.9U CN214505835U (en) | 2021-02-04 | 2021-02-04 | Low-voltage communication connector and battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214505835U true CN214505835U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120325996.9U Active CN214505835U (en) | 2021-02-04 | 2021-02-04 | Low-voltage communication connector and battery system |
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| CN (1) | CN214505835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133200A (en) * | 2022-05-30 | 2022-09-30 | 万向一二三股份公司 | High-power micro-hybrid power supply system |
-
2021
- 2021-02-04 CN CN202120325996.9U patent/CN214505835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133200A (en) * | 2022-05-30 | 2022-09-30 | 万向一二三股份公司 | High-power micro-hybrid power supply system |
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