CN210272514U

CN210272514U - Integrated collection module confluence structure

Info

Publication number: CN210272514U
Application number: CN201921271840.6U
Authority: CN
Inventors: 许杰城; 林凯毅; 沈炳杰; 林文徳
Original assignee: Zhuhai Cosmx Power Co Ltd
Current assignee: Zhuhai Cosmx Power Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-07
Anticipated expiration: 2029-08-07

Abstract

The utility model aims at providing a simple structure, space utilization height, equipment are easy and collection module integration confluence structure of integrated voltage data collection and circuit confluence function. The utility model discloses first cylinder manifold (1), second cylinder manifold (2), communication flexible circuit board (3) and a plurality of battery (4), it is a plurality of the utmost point ear at the both ends of battery (4) respectively with first cylinder manifold (1) welding point connection on second cylinder manifold (2), be equipped with first connector (5) on first cylinder manifold (1), be equipped with second connector (6) on second cylinder manifold (2), second connector (6) are passed through communication flexible circuit board (3) with first connector (5) electric connection. The utility model discloses be applied to battery structure's technical field.

Description

Integrated collection module confluence structure

Technical Field

The utility model discloses be applied to the technical field of battery structure, in particular to collection module integration structure that converges.

Background

With the development of the times and the improvement of living standard, people are more aware of maintaining ecological balance, and the environmental protection is a fundamental problem related to human survival and social development. Wherein the air is not separated from people. And the emission of automobile exhaust is the most serious pollution to air. Therefore, the development of the power battery of the automobile is more and more important.

Current power battery module adopts the cylinder manifold to be connected with the collection pencil, then gathers the module communication through connector and outside BMS to through the plastic encapsulation, this kind of structure occupation space is big, and the material that uses is many, and the utmost point ear of battery is connected with the cylinder manifold through gathering the line simultaneously, needs complicated welding step, leads to the battery module to scrap easily when the welding fails.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a simple structure, space utilization height, equipment are easy and collection module integration confluence structure of integrated voltage data collection and circuit confluence function.

The utility model adopts the technical proposal that: the utility model discloses a first cylinder manifold, second cylinder manifold, communication flexible circuit board and a plurality of battery, it is a plurality of the utmost point ear at the both ends of battery respectively with first cylinder manifold the welding point on the second cylinder manifold is connected, be equipped with first connector on the first cylinder manifold, be equipped with the second connector on the second cylinder manifold, the second connector passes through the communication flexible circuit board with first connector electric connection.

According to the scheme, the lug of the battery is directly connected with the welding points of the first bus plate and the second bus plate, so that the connection wire harness is avoided, the welding times are reduced, the risk that welding failure causes scrapping is reduced, the space required by the wire harness is saved by avoiding the connection wire harness, and the space utilization rate is improved. The first bus board is used for outputting electric energy and outputting voltage data to the second connector, the second connector collects and outputs voltage information of the first bus board and the second bus board, and voltage data are transmitted through the communication flexible circuit board.

According to a preferable scheme, the first bus board and the second bus board are circuit boards, a plurality of conduction copper plates are arranged on the first bus board and the second bus board, tabs at two ends of the battery are respectively welded and fixed with the conduction copper plates on the first bus board and the second bus board, all the conduction copper plates on the first bus board are electrically connected with the first connector through a circuit board built-in circuit, and all the conduction copper plates on the second bus board are electrically connected with the second connector through a circuit board built-in circuit.

According to the scheme, the welding conduction points of the battery tabs are provided by the conduction copper plates, and meanwhile, the structural strength is effectively improved by arranging the conduction copper plates in the first bus plate and the second bus plate. The lugs are welded on the corresponding conduction copper plate to enable the batteries to be orderly stacked between the first bus plate and the second bus plate, and therefore the space utilization rate of the collection module integrated bus structure is improved.

The more preferable scheme is that a plurality of connecting through holes are formed in the two sides of the conducting copper plate, and the tabs of the battery penetrate through the connecting through holes and are welded and fixed with the conducting copper plate from the outside.

According to the scheme, the two sides of the conduction copper plate are provided with the space for the battery tab to pass through, so that the battery tab is welded and fixed with the conduction copper plate from the outer side, welding and assembling can be carried out from the outside, assembly is simpler and more convenient, and meanwhile, the success rate of welding is effectively improved. And meanwhile, the lugs of the battery are uniformly collected on the outer side of the bus board, so that the battery layout is more compact, and the space utilization rate is improved.

Further preferably, the first bus bar is further provided with a positive electrode of the battery pack and a negative electrode of the battery pack, and the two conducting copper plates at the two ends are correspondingly electrically connected with the positive electrode of the battery pack and the negative electrode of the battery pack through a circuit board built-in circuit.

According to the scheme, the electrodes of the batteries are uniformly converged on the first bus board in a series-parallel combination mode by the batteries, and then the batteries are correspondingly conducted with the positive electrode of the battery pack and the negative electrode of the battery pack to realize the output of electric energy.

According to a preferable scheme, the communication flexible circuit board is further provided with a temperature collector and a temperature information output head which are electrically connected with each other, the second bus board is further provided with a third connector and a temperature information output connector which are electrically connected with each other, and the temperature information output head is connected with the third connector.

According to the scheme, the temperature collector is a common thermistor, so that the temperature of the battery module is obtained, data collection of a battery management system is facilitated, the obtained electric signal data are transmitted to the third connector through the temperature information output head, and then the temperature information is transmitted to an external management system through the temperature information output connector through the third connector.

Preferably, the second bus board is further provided with a data output connector electrically connected with the second connector.

According to the scheme, the voltage data of the first bus board and the voltage data of the second bus board are output to an external battery management system through the data output connector, then the collection circuit and the circuit are combined in a converging mode, battery management and control are facilitated, a collection module of the battery management system which is externally arranged is avoided, a collection wire harness required by the collection module is reduced, materials required by a collection module integrated converging structure are reduced, the production cost is reduced, the space utilization rate is improved, and the number of batteries which can be contained is increased to improve the overall capacity of the battery module.

Further preferably, the conductive copper plate is electrically connected to a built-in circuit of the circuit board through a fuse.

According to the scheme, when the traditional acquisition line is connected with the battery, the traditional acquisition line is directly welded with the lug of the battery, a fuse cannot be arranged, the fuse is connected in series between the copper plate and the built-in circuit as a conduction structure by adopting the conduction copper plate, and the fuse plays a role in protecting the battery when the acquisition circuit is short-circuited, so that the reliability and the stability of the module are ensured.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is an exploded view from another perspective of the present invention.

Detailed Description

As shown in fig. 1 and fig. 2, in this embodiment, the utility model discloses a first cylinder manifold 1, second cylinder manifold 2, communication flexible circuit board 3 and a plurality of battery 4, it is a plurality of the utmost point ear at the both ends of battery 4 respectively with first cylinder manifold 1 welding point on the second cylinder manifold 2 is connected, be equipped with first connector 5 on the first cylinder manifold 1, be equipped with second connector 6 on the second cylinder manifold 2, second connector 6 passes through communication flexible circuit board 3 with first connector 5 electric connection.

In this embodiment, the first bus bar 1 and the second bus bar 2 are circuit boards, the first bus bar 1 and the second bus bar 2 are all provided with a plurality of conducting copper plates 7, tabs at two ends of the battery 4 are respectively welded and fixed with the conducting copper plates 7 on the first bus bar 1 and the second bus bar 2, all the conducting copper plates 7 on the first bus bar 1 are electrically connected with the first connector 5 through a circuit board built-in circuit, and all the conducting copper plates 7 on the second bus bar 2 are electrically connected with the second connector 6 through a circuit board built-in circuit.

In this embodiment, a plurality of connecting through holes 8 are formed in both sides of the conducting copper plate 7, and tabs of the battery 4 penetrate through the connecting through holes 8 and are welded and fixed with the conducting copper plate 7 from the outside.

In this embodiment, the first bus board 1 is further provided with a positive electrode of a battery pack and a negative electrode of the battery pack, and the two conducting copper plates 7 at the two ends are electrically connected with the positive electrode of the battery pack and the negative electrode of the battery pack through the built-in circuit of the circuit board.

In this embodiment, a temperature collector and a temperature information output head which are electrically connected to each other are further arranged on the communication flexible circuit board 3, a third connector 9 and a temperature information output connector 10 which are electrically connected to each other are further arranged on the second bus board 2, and the temperature information output head is connected to the third connector 9.

In this embodiment, the second bus board 2 is further provided with a data output connector 11 electrically connected to the second connector 6.

In the present embodiment, the connection relationship of the plurality of batteries 4 is determined by the built-in circuits of the first bus plate 1 and the second bus plate 2, and may be in series or in parallel.

In the present embodiment, the conductive copper plate 7 is electrically connected to the built-in circuit of the circuit board through a fuse.

In the present embodiment, the built-in circuit of the circuit board is a common circuit board printed circuit.

Claims

1. The utility model provides an integrated structure of converging of collection module which characterized in that: it includes first cylinder manifold (1), second cylinder manifold (2), communication flexible circuit board (3) and a plurality of battery (4), and is a plurality of the utmost point ear at the both ends of battery (4) respectively with first cylinder manifold (1) welding point on the second cylinder manifold (2) is connected, be equipped with first connector (5) on first cylinder manifold (1), be equipped with second connector (6) on second cylinder manifold (2), second connector (6) are passed through communication flexible circuit board (3) with first connector (5) electric connection.

2. The collection module integrated bus structure of claim 1, wherein: first cylinder manifold (1) with second cylinder manifold (2) are the circuit board, first cylinder manifold (1) with all be equipped with a plurality of copper (7) that switch on second cylinder manifold (2), the utmost point ear at the both ends of battery (4) respectively with on first cylinder manifold (1) second cylinder manifold (2) switch on copper (7) welded fastening, be located all on first cylinder manifold (1) switch on copper (7) all through circuit board built-in circuit with first connector (5) electric connection, be located on second cylinder manifold (2) all switch on copper (7) all through circuit board built-in circuit with second connector (6) electric connection.

3. The collection module integrated bus structure of claim 2, wherein: a plurality of both sides that switch on copper (7) all are equipped with connect the via hole (8), the utmost point ear of battery (4) passes connect the via hole (8) back from the outside with switch on copper (7) welded fastening.

4. The collection module integrated bus structure of claim 2, wherein: the first bus board (1) is further provided with a battery pack anode and a battery pack cathode, and the two conducting copper plates (7) located at the two ends are electrically connected with the battery pack anode and the battery pack cathode through circuit boards built-in circuits.

5. The collection module integrated bus structure of claim 1, wherein: the communication flexible circuit board (3) is further provided with a temperature collector and a temperature information output head which are electrically connected with each other, the second bus board (2) is further provided with a third connector (9) and a temperature information output connector (10) which are electrically connected with each other, and the temperature information output head is connected with the third connector (9).

6. The collection module integrated bus structure of claim 1, wherein: and the second bus board (2) is also provided with a data output connector (11) electrically connected with the second connector (6).

7. The collection module integrated bus structure of claim 2, wherein: and the conducting copper plate (7) is electrically connected with the built-in circuit of the circuit board through a fuse.