CN218558632U

CN218558632U - Compact battery management and high-voltage control integrated module

Info

Publication number: CN218558632U
Application number: CN202222314642.1U
Authority: CN
Inventors: 褚兵; 桂旭
Original assignee: Anhui Xunying New Energy Group Co ltd
Current assignee: Anhui Xunying New Energy Group Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-03-03
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a tight type battery management and high-pressure control collection moulding piece that promotes, including battery management system module, high-pressure control collection moulding piece and casing, the casing includes bottom plate, curb plate and apron, battery management system module is connected with the high-pressure control collection moulding piece electricity, high-pressure control collection moulding piece includes fuse, busbar, main relay, shunt, pre-charge resistance, pre-charge relay, heating relay, charging relay and DC-DC module, and battery management system module and high-pressure control collection moulding piece are fixed on the bottom plate, the bottom plate is equipped with the installation department respectively with the curb plate outside. The utility model discloses a tightly urge to arrange and has satisfied traditional power battery's high tension switchgear, overflow fusing and battery management module's the requirement of arranging, casing horizontal direction and vertical direction all are equipped with the installation department, support the horizontal installation and the vertical installation of battery package, have satisfied the demand of different project space sizes.

Description

Compact battery management and high-voltage control integrated module

Technical Field

The utility model relates to a battery management technology field specifically is a tight type battery management and high-voltage control collection moulding piece.

Background

In the system scheme of the lithium battery, a high-voltage control integrated module (including a high-voltage pull-in and pull-out device, a fusing device and the like) and a battery management system module (battery state monitoring, battery state management, high-voltage control and the like) are required. The two modules are designed to be separated in the conventional battery pack of the power battery. Along with the application popularization in the field of new energy vehicle types, new requirements for tight arrangement are provided for a battery management and control system, and meanwhile, some vertical installation spaces and some horizontal installation spaces of different projects are sufficient. In the prior art, as shown in the reference CN213413521U, the battery management system module is fixed to the top of the high-voltage control integrated module by using the adapter bracket, although the integration of the battery management system module and the high-voltage control integrated module is realized, the thickness of the integrated module is increased by this integration method, and the requirement for the thickness of the integrated module when the space in the horizontal direction is insufficient and the installation in the vertical direction is required cannot be met. In order to realize the universality of different application scenes of parts, a compact-type-arrangement battery management and high-voltage control system needs to be developed to realize the application scenes of vertical installation and horizontal installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tight type battery management and high-voltage control collection moulding piece to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the casing comprises a bottom plate, a side plate and a cover plate, the battery management system module is electrically connected with the high-voltage control integrated module, the high-voltage control integrated module comprises a fuse protector, a busbar, a main relay, a shunt, a pre-charging resistor, a pre-charging relay, a heating relay, a charging relay and a DC-DC module, the battery management system module and the high-voltage control integrated module are fixed on the bottom plate, and installation parts are respectively arranged on the outer sides of the bottom plate and the side plate.

As a further aspect of the present invention: the shunt, the pre-charging resistor, the pre-charging relay, the heating relay, the main relay, the charging relay and the DC-DC module are fixed on the bottom plate through rivet pressing screws, and the fuse is fixed on the bottom plate through an insulating part.

As a further aspect of the present invention: the battery management system module is respectively connected with the shunt, the pre-charging relay, the pre-charging resistor, the heating relay, the main relay, the charging relay, the DC-DC module and a connector circuit on the shell; the busbar is connected with the positive and negative electrodes of the battery pack, the positive and negative electrodes of the main relay and the fuse.

As a further aspect of the present invention: the bottom plate and the side plate are of an integral structure, and the cover plate is fixedly connected with the side plate through a fixing piece.

As a further aspect of the present invention: the two sides of the bottom plate are fixedly connected with first mounting parts, and the first mounting parts and the outer side surface of the bottom plate are positioned on the same horizontal plane and provided with mounting holes; the lateral plate both sides fixedly connected with second installation department, the lateral surface of second installation department and lateral plate is located same horizontal plane and has seted up the mounting hole.

As a further aspect of the present invention: the dimensions of the length, the width and the height of the shell satisfy the following relations:

L≤240mm；

W≤95mm；

D≤250mm；

wherein, L is the length of the shell, W is the width of the shell, and D is the height of the shell.

Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the high-voltage control integrated module and the battery management system module are integrated on the bottom plate together, and the fuse, the main relay and the shunt form a high-voltage main line; the pre-charging resistor and the pre-charging relay form a pre-charging loop; the heating relay forms a heating loop; the charging relay and the DC-DC module form a charging loop; the battery management system is connected with the relay control pin, and the current acquisition monitoring unit controls the system to be switched on and off. The utility model discloses a tightly urge to arrange and has satisfied traditional power battery's high tension switchgear, overflow fusing and battery management module's the requirement of arranging, the tight arrangement mode that urges simultaneously makes the size of casing can be controlled and is less than or equal to 240mm at long L, wide W is less than or equal to 95mm, high D is less than or equal to within 250mm, and casing horizontal direction and vertical direction all are equipped with the installation department, support horizontal installation and vertical installation, have satisfied different project space size's demand.

Drawings

FIG. 1 is a schematic view of the internal arrangement structure of the housing of the present invention;

fig. 2 is a schematic view of the mounting surface of the bottom plate of the housing of the present invention;

fig. 3 is a schematic view of the side plate mounting surface of the housing of the present invention;

fig. 4 is an electrical schematic diagram of the present invention.

In the figure: the system comprises a battery management system module 1, a high-voltage control integrated module 2, a shunt 21, a pre-charging resistor 22, a pre-charging relay 23, a heating relay 24, a main relay 25, a charging relay 26, a fuse 27, a bus bar 28, a shell 3, a bottom plate 31, a first mounting part 311, a side plate 32 and a second mounting part 321.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a tight type battery management and high-voltage control integrated module includes battery management system module 1, high-voltage control integrated module 2 and casing 3, casing 3 includes bottom plate 31, side plate 32 and apron, battery management system module 1 with high-voltage control integrated module 2 electricity is connected, high-voltage control integrated module 2 includes fuse 27, busbar 28, main relay 25, shunt 21, pre-charge resistor 22, pre-charge relay 23, heating relay 24, charging relay 26 and DC-DC module, battery management system module 1 with high-voltage control integrated module 2 fixes on bottom plate 31, the bottom plate 31 and the side plate 32 outside are equipped with the installation department respectively. The battery management system module 1 and the high-voltage control integrated module 2 are integrated on the bottom plate 31, the battery management system module 1 is fixed among the fuse 27, the bus bar 28, the main relay 25, the shunt 21, the pre-charging resistor 22, the pre-charging relay 23, the heating relay 24, the charging relay 26 and the DCDC module to form a tight and integral structure, and mounting parts are respectively arranged on the outer sides of the bottom plate 31 and the side plate 32, so that the horizontal and vertical mounting of a battery pack can be realized.

Further, the shunt 21, the pre-charging resistor 22, the pre-charging relay 23, the heating relay 24, the main relay 25, the charging relay 26, and the DC-DC module are fixed on the bottom plate 31 by means of rivet screws, and the fuse 27 is fixed on the bottom plate 31 by means of an insulating member.

Further, the battery management system module is respectively connected with the shunt 21, the pre-charging relay 23, the pre-charging resistor 22, the heating relay 24, the main relay 25, the charging relay 26, the DC-DC module and a connector circuit on the housing 3; the busbar is connected with the positive and negative electrodes of the battery pack, the positive and negative electrodes of the main relay and the fuse.

Further, the bottom plate 31 and the side plate 32 are of an integral structure, and the cover plate is fixedly connected with the side plate 32 through a fixing member.

Further, as shown in fig. 2 to fig. 3, first mounting portions 311 are fixedly connected to two sides of the bottom plate 31, and the first mounting portions 311 and the outer side surfaces of the bottom plate 31 are located on the same horizontal plane and are provided with mounting holes; curb plate (32) both sides fixedly connected with second installation department 321, second installation department 321 is located same horizontal plane and has seted up the mounting hole with the lateral surface of curb plate 32.

Further, the length, width and height of the housing 3 satisfy the following relations:

L≤240mm；

W≤95mm；

D≤250mm；

wherein L is the length of the housing 3, W is the width of the housing 3, and D is the height of the housing 3

The utility model discloses novel structure, the operation is stable, the utility model discloses battery management system, high-pressure circuit cut off with actuation function, pre-charge circuit, heating circuit cut off with actuation function, major loop insurance (fuse), electric current collection function have been integrateed. The comprehensive integrated unit comprises a fuse 27, a main relay 25 and a current divider 21 which form a high-voltage main circuit as shown in fig. 1, a pre-charging resistor 22 and a pre-charging relay 23 form a pre-charging circuit, a heating relay 24 forms a heating circuit, and a charging relay 26 and a DC-DC module form a charging circuit. The battery management system module 1 is connected with the relay control pin and the current acquisition monitoring unit through a wire harness to control the on-off of the system. The size of the shell 3 can be controlled by the tightly arranged integrated modules: the length is less than or equal to 240mm, the width is less than or equal to 95mm, the height is less than or equal to 250mm, and the mounting parts are arranged in the horizontal and vertical directions of the shell 3, so that the horizontal or vertical mounting can be supported, and the requirements of different project space sizes are met.

Although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity, and it is understood that the specification is incorporated herein by reference, and the embodiments described in each embodiment may be combined as appropriate to form other embodiments, which will be apparent to those skilled in the art.

Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all the equivalent changes made within the scope of the claims of the present application are the protection scope of the claims of the present application.

Claims

1. The utility model provides a tight type battery management and high-voltage control collection moulding piece, includes battery management system module (1), high-voltage control collection moulding piece (2) and casing (3), casing (3) include bottom plate (31), curb plate (32) and apron, battery management system module (1) with high-voltage control collection moulding piece (2) electricity is connected, its characterized in that, high-voltage control collection moulding piece (2) are including fuse (27), busbar (28), main relay (25), shunt (21), pre-charge resistance (22), pre-charge relay (23), heating relay (24), charging relay (26) and DC-DC module, battery management system module (1) with high-voltage control collection moulding piece (2) is fixed on bottom plate (31), bottom plate (31) and curb plate (32) outside are equipped with the installation department respectively.

2. The integrated module for tight battery management and high voltage control according to claim 1, wherein the shunt (21), the pre-charging resistor (22), the pre-charging relay (23), the heating relay (24), the main relay (25), the charging relay (26) and the DCDC module are fixed on the bottom plate (31) through rivet screws, and the fuse (27) is fixed on the bottom plate (31) through an insulating member.

3. The integrated module for tight battery management and high voltage control according to claim 2, characterized in that the battery management system module (1) is connected with the shunt (21), the pre-charging relay (23), the pre-charging resistor (22), the heating relay (24), the main relay (25), the charging relay (26), the DCDC module, and the connector circuit on the housing (3); the busbar is connected with the positive and negative electrodes of the battery pack, the positive and negative electrodes of the main relay and the fuse.

4. The compact battery management and high voltage control integrated module as claimed in claim 1, wherein the bottom plate (31) and the side plate (32) are an integral structure, and the cover plate is fixedly connected to the side plate (32) by a fixing member.

5. The tight-type battery management and high-voltage control integrated module according to claim 4, wherein the two sides of the bottom plate (31) are fixedly connected with first mounting parts (311), and the first mounting parts (311) and the outer side surfaces of the bottom plate (31) are located on the same horizontal plane and are provided with mounting holes; curb plate (32) both sides fixedly connected with second installation department (321), second installation department (321) are located same horizontal plane and have seted up the mounting hole with the lateral surface of curb plate (32).

6. Compact battery management and high voltage control integrated module according to claim 1, characterized in that the dimensions of length, width and height of the housing (3) satisfy the following relations:

L≤240 mm；

W≤95 mm；

D≤250 mm；

wherein L is the length of the shell (3), W is the width of the shell (3), and D is the height of the shell (3).