CN213278329U

CN213278329U - PCB diverging device, battery system and electric automobile

Info

Publication number: CN213278329U
Application number: CN202022018468.7U
Authority: CN
Inventors: 胡晓雄; 王军; 刘丽荣
Original assignee: Farasis Energy Ganzhou Co Ltd; Farasis Energy Zhenjiang Co Ltd
Current assignee: Farasis Energy Ganzhou Co Ltd; Farasis Energy Zhenjiang Co Ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-05-25
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a new forms of energy power battery system technical field specifically relates to a PCB diverging device, battery system and electric automobile. The utility model provides a PCB diverging device, includes PCB flow distribution plate and splint portion, the PCB flow distribution plate include the PCB board with be used for to two input boards of PCB board input current signal, two the input board is respectively through two splint portion links to each other, every with two output row boards that are used for connecting the power total electrode, every the input board with correspond the splint portion sets up to linking to each other through two at least binding surfaces, every the output row board with correspond the splint portion sets up to linking to each other through two at least binding surfaces. PCB diverging device, PCB diverging device circular telegram, when same current was out-of-date, the heat that PCB diverging device produced reduced, improved the life of PCB board, also improved the security that PCB board used.

Description

PCB diverging device, battery system and electric automobile

Technical Field

The utility model relates to a new forms of energy power battery system technical field specifically relates to a PCB diverging device, battery system and electric automobile.

Background

Under the environment that energy conservation and emission reduction are advocated in China at present, the new energy automobile industry and technology are continuously developing and innovated. New energy automobiles get more and more attention and attention of people. With the gradual entry of new energy vehicles into thousands of households, key parts of the new energy vehicles are continuously developed. The power battery system is used as an important power source of the new energy automobile and provides continuous running power for the new energy automobile, the PCB type shunt is a core part of the power battery system, the current output by the power battery system is monitored in real time, and the power battery system plays a significant role in safe, stable and reliable operation.

At present, a PCB type shunt has no fixed installation mode, and module production and platform production cannot be realized, so that the research and development cost and the period of a power battery system are increased. The original PCB splitter plate is directly connected with the output row plate, possibly connected through bolts and possibly communicated through wires, and has the advantages of small contact area, large resistance and serious heat generation when current passes through the PCB splitter plate. The PCB board-like shunt can produce the temperature rise condition of generating heat seriously in long-term heavy current use, can lead to PCB board life, reliability, security to reduce like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the PCB board-like shunt that prior art exists and generating heat serious problem.

In order to achieve the above object, an aspect of the present invention provides a PCB shunt device, including PCB shunt plate and splint portion, the PCB shunt plate include the PCB board and be used for to two input boards of PCB board input current signal, two the input board is respectively through two the splint portion links to each other, every with two output row boards that are used for being connected the power total electrode the input board with correspond the splint portion sets up to link to each other, every through two at least binding faces the output row board with correspond the splint portion sets up to link to each other through two at least binding faces.

Preferably, both ends of the clamping plate portion in the length direction are respectively provided with a first groove for inserting the input plate and a second groove for inserting the output row plate.

Preferably, the clamp plate portion includes a first clamp plate and a second clamp plate, the input plate is clamped between the first clamp plate and the second clamp plate, and the output row plate is clamped between the first clamp plate and the second clamp plate.

Preferably, the first clamping plate and the second clamping plate are both set to be L-shaped clamping plates, and the two sides of the first clamping plate in the width direction extend outwards to form hooks for limiting the movement of the second clamping plate.

Preferably, the PCB shunt device includes a housing for accommodating the PCB, and the housing is provided with an outlet along a length direction of the housing for the input board to pass through.

Preferably, the PCB board with it is equipped with the bubble cotton to press from both sides between the bottom of the shell inner wall, the last reference column that is provided with the interval and sets up of shells inner wall, be provided with on the bubble cotton and be used for wearing to establish the first locating hole of reference column, be provided with on the PCB flow distribution plate and be used for wearing to establish the second locating hole of reference column, the casing is followed be provided with on two relative lateral walls of the width direction of casing and be used for the card to establish the constant head tank of PCB flow distribution plate.

Preferably, the casing includes casing and upper cover under the U type of mutual block, the both ends mouth of casing is regarded as under the U type the outlet, the upper end of PCB board is provided with the plug connector that is used for output signal, the plug connector has the orientation the width direction's of casing opening, the lateral wall of casing is seted up under the U type is used for plug wire hole that plug wire on the plug connector passed, and/or, be provided with the X style of calligraphy recess of buckling in order to strengthen on the upper cover.

Preferably, the casing is provided with the fixed plate that is used for connecting the installation basis along the width direction of casing, the fixed plate is the Z style of calligraphy, the department of buckling of fixed plate is provided with the strengthening rib, and/or, a plurality of louvres have been seted up to the casing.

The utility model discloses the second aspect provides a battery system, including above-mentioned arbitrary PCB diverging device.

The utility model discloses the third aspect provides an electric automobile, including above-mentioned battery system.

PCB diverging device, the input board links to each other through the splint portion with the output row board, splint portion and input board, output row board all laminate through two at least faces mutually, area of contact between them increases, the resistance of this electric circuit of input board, splint portion and output row board reduces, when PCB diverging device circular telegram, when same current-through, the heat that produces reduces, has improved the life of PCB board, has also improved the security that the PCB board used.

Drawings

Fig. 1 is a schematic view of an installation structure of a PCB shunt device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a specific structure of a PCB;

FIG. 3 is a schematic diagram showing a detailed structure of one embodiment of the clamping portion;

FIG. 4 is a schematic structural view of the housing;

fig. 5 is a schematic structural view of the lower case.

Description of the reference numerals

1-PCB splitter plate, 2-output row plate, 3-clamping plate part, 4-shell, 5-foam, 6-first screw group, 7-second screw group, 10-PCB plate, 11-input plate, 12-plug connector, 13-second positioning hole, 31-second clamping plate, 32-first clamping plate, 33-clamping hook, 41-lower shell, 42-upper cover, 43-fixing plate, 44-third screw group, 411-plug wire hole, 412-positioning column, 413-positioning groove, 414-heat dissipation hole, 421-bending groove, 431-reinforcing rib and 51-first positioning hole.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

An aspect of the utility model provides a PCB diverging device, including PCB flow distribution plate 1 and splint portion 3, PCB flow distribution plate 1 include PCB board 10 with be used for to two input boards 11, two of PCB board 10 input current signal input board 11 is respectively through two splint portion 3 links to each other every with two output row boards 2 that are used for being connected the power total electrode with two input board 11 with correspond splint portion 3 sets up to link to each other, every through two at least binding faces output row board 2 with correspond splint portion 3 sets up to link to each other through two at least binding faces.

The functional element for shunting is a PCB shunting plate shown in figure 2, two input ends of the functional element are respectively connected with a battery main electrode so as to detect current change in the use process of the battery, and an output end socket outputs a signal. PCB diverging device, the input board links to each other through the splint portion with the output row board, splint portion and input board, output row board all laminate through two at least faces mutually, area of contact between them increases, the resistance of this electric circuit of input board, splint portion and output row board reduces, when PCB diverging device circular telegram, when same current-through, the heat that produces reduces, has improved the life of PCB board, has also improved the security that the PCB board used.

Preferably, both ends of the clamping plate portion 3 in the length direction are respectively provided with a first groove for inserting the input board 11 and a second groove for inserting the output row board 2. The two ends of the clamping plate part 3 are respectively provided with a groove for clamping and attaching the input plate 11 and the output row plate 2, so that the inner wall of the whole groove extends to the contact area with the input plate 11 or the output row plate 2, the contact area is increased, the resistance is reduced, the generated heat is also reduced, and the safety and the service life of the PCB are improved. Preferably, the input board 11 and the output row board 2 are also provided in a groove shape, and are attached to the groove of the sandwich portion 3 to increase the contact area.

Preferably, the board clamping portion 3 includes a first clamping plate 32 and a second clamping plate 31, the input board 11 is sandwiched between the first clamping plate 32 and the second clamping plate 31, and the output board 2 is sandwiched between the first clamping plate 32 and the second clamping plate 31. The clamping plate part is made into two plates for clamping the input plate 11 and the output row plate 2, and the clamping plate part is easier to manufacture relative to the groove form, so that the complex slotting process is avoided, and the manufacturing cost of the PCB shunting device is reduced.

Preferably, as shown in fig. 3, the first clamping plate 32 and the second clamping plate 31 are both L-shaped clamping plates, and hooks 33 for limiting the movement of the second clamping plate 31 extend outwards from both sides of the first clamping plate 32 in the width direction. The L-shaped clamping plate and the set of hooks can limit the position of the second clamping part 31 relative to the first clamping part 32, so that the second clamping part 31 can move relative to the first clamping part 32 and can not be separated from the first clamping part 32; the second clamping portion 31 can move relative to the first clamping portion 32, so that the input board 11 and the output row board 2 can be conveniently clamped and installed, the second clamping portion 31 does not break away from the first clamping portion 32, the clamping board portions can be guaranteed to be integrated, the parts of the clamping board portions are prevented from being separated and lost, and the practicability of the PCB shunting device is improved.

Preferably, the PCB shunt device includes a housing 4 for accommodating the PCB board 10, and the housing 4 is provided with an outlet along a length direction of the housing 4 for the input board 11 to pass through. The shell is used for protecting the PCB and improving the safety of the PCB shunting device.

Preferably, the PCB board 10 with it is equipped with bubble cotton 5 to press from both sides between the inner wall of casing 4 bottom, be provided with the reference column 412 that the interval set up on the inner wall of casing 4, be provided with on the bubble cotton 5 and be used for wearing to establish the first locating hole 51 of reference column 412, be provided with on the PCB flow distribution plate 1 and be used for wearing to establish the second locating hole 13 of reference column 412, casing 4 follows be provided with on two relative lateral walls of the width direction of casing 4 and be used for the card to establish the constant head tank 413 of PCB flow distribution plate 1.

The foam is arranged, so that the vibration impact of the PCB can be buffered, and the safety of the PCB is improved; preferably, the foam is EPDM foam. The positioning column is used for positioning the installation position of the PCB and the foam and simultaneously limiting the movement of the PCB and the foam on a plane, and the positioning groove 413 is used for limiting the vertical position of the PCB and further reinforcing the PCB. Preferably, in order to enable the PCB and the foam to be smoothly inserted into the positioning column 412, the outer diameter of the positioning column is gradually increased downward to form a frustum shape.

Preferably, as shown in fig. 4, the housing 4 includes a U-shaped lower housing 41 and an upper cover 42 that are engaged with each other, two ports of the U-shaped lower housing 41 serve as the outlets, the upper end of the PCB 10 is provided with a connector 12 for outputting signals, the connector 12 has an opening facing the width direction of the housing 4, a plug wire hole 411 for a plug wire on the connector 12 to pass through is opened on a side wall of the U-shaped lower housing 41, and/or an X-shaped bent groove 421 is provided on the upper cover 42 to reinforce the upper cover 42.

The shell 4 is made into a U-shaped lower shell 41 and upper cover 42 splicing form, so that the installation of a PCB and foam is convenient, the complex multi-part splicing form is avoided, the practicability of the PCB shunting device is improved, and the shell manufacturing cost is reduced. The upper cover 42 is provided with the X-shaped bent groove 421, so that the rigidity of the upper cover can be improved, and the safety of the PCB shunting device can be improved.

Preferably, the housing 4 is provided with a fixing plate 43 for connecting an installation foundation along a width direction of the housing 4, the fixing plate 43 is Z-shaped, a reinforcing rib 431 is provided at a bent portion of the fixing plate 43, and/or the housing 4 is provided with a plurality of heat dissipation holes 414.

The fixing plate 43 is used for fixing the housing 4, and improves the stability of the PCB shunt device. The fixing plate 43 having a zigzag shape has a stronger rigidity, and the reinforcing ribs 431 further improve the stability of the fixing plate 43. The heat dissipation holes 414 are used for heat dissipation of the PCB, and safety and stability of the PCB are improved.

The utility model discloses the second aspect provides a battery system, including above-mentioned arbitrary PCB diverging device. PCB diverging device, the input board links to each other through the splint portion with the output row board, splint portion and input board, output row board all laminate through two at least faces mutually, area of contact between them increases, the resistance of this electric circuit of input board, splint portion and output row board reduces, when PCB diverging device circular telegram, when same current-through, the heat that produces reduces, has improved the life of PCB board, has also improved the security that the PCB board used.

The utility model discloses the third aspect provides an electric automobile, including above-mentioned battery system. PCB diverging device, the input board links to each other through the splint portion with the output row board, splint portion and input board, output row board all laminate through two at least faces mutually, area of contact between them increases, the resistance of this electric circuit of input board, splint portion and output row board reduces, when PCB diverging device circular telegram, when same current-through, the heat that produces reduces, has improved the life of PCB board, has also improved the security that the PCB board used.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The utility model provides a PCB diverging device, its characterized in that, includes PCB flow distribution plate (1) and splint portion (3), PCB flow distribution plate (1) include PCB board (10) and be used for to two input boards (11) of PCB board (10) input current signal, two input board (11) are respectively through two splint portion (3) link to each other with two output row board (2) that are used for connecting the power total electrode, every input board (11) and corresponding splint portion (3) set up to link to each other through two at least binding faces, every output row board (2) and corresponding splint portion (3) set up to link to each other through two at least binding faces.

2. The PCB shunting device of claim 1, wherein both ends of the clamping plate part (3) along the length direction are respectively provided with a first groove for inserting the input board (11) and a second groove for inserting the output row board (2).

3. A PCB shunting device according to claim 1, wherein the clamping plate portion (3) comprises a first clamping plate (32) and a second clamping plate (31), the input plate (11) being sandwiched between the first clamping plate (32) and the second clamping plate (31), and the output row plate (2) being sandwiched between the first clamping plate (32) and the second clamping plate (31).

4. A PCB shunt device according to claim 3, wherein the first clamping plate (32) and the second clamping plate (31) are both provided as L-shaped clamping plates, and hooks (33) for limiting the movement of the second clamping plate (31) extend outwards from both sides of the first clamping plate (32) in the width direction.

5. A PCB shunt device according to claim 1, wherein the PCB shunt device comprises a housing (4) for accommodating the PCB board (10), the housing (4) being provided with an exit for the input board (11) to exit along the length of the housing (4).

6. The PCB shunting device according to claim 5, characterized in that foam (5) is clamped between the PCB (10) and the inner wall of the bottom of the housing (4), positioning columns (412) arranged at intervals are arranged on the inner wall of the housing (4), a first positioning hole (51) for penetrating the positioning columns (412) is arranged on the foam (5), a second positioning hole (13) for penetrating the positioning columns (412) is arranged on the PCB shunting plate (1), and positioning grooves (413) for clamping the PCB shunting plate (1) are arranged on two opposite side walls of the housing (4) in the width direction.

7. The PCB shunting device of claim 5, wherein the housing (4) comprises a U-shaped lower housing (41) and an upper cover (42) which are clamped with each other, two ports of the U-shaped lower housing (41) are used as the leading-out ports, the upper end of the PCB (10) is provided with a connector (12) for outputting signals, the connector (12) is provided with an opening facing the width direction of the housing (4), the side wall of the U-shaped lower housing (41) is provided with a plug wire hole (411) for a plug wire on the connector (12) to pass through, and/or the upper cover (42) is provided with an X-shaped bent groove (421) for reinforcing the upper cover (42).

8. The PCB shunting device according to any one of claims 5-7, wherein the housing (4) is provided with a fixing plate (43) for connecting an installation base along the width direction of the housing (4), the fixing plate (43) is Z-shaped, a bending part of the fixing plate (43) is provided with a reinforcing rib (431), and/or the housing (4) is provided with a plurality of heat dissipation holes (414).

9. A battery system comprising a PCB shunting device according to any one of claims 1-8.

10. An electric vehicle characterized by comprising the battery system according to claim 9.