CN218482365U

CN218482365U - Interface protection integrated module for high-power battery

Info

Publication number: CN218482365U
Application number: CN202221832561.4U
Authority: CN
Inventors: 吕海伟; 钟仪华; 缪书坤; 曹波
Original assignee: Shuangdeng Group Co Ltd
Current assignee: Shuangdeng Group Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-02-14
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to the technical field of battery systems, in particular to a be used for high power battery interface protection integrated module, including discharge relay, charging relay, diode, fuse and mounting panel, the diode is installed in the middle part of the top surface of mounting panel, discharge relay and charging relay are established respectively in the both sides of diode, the fuse is installed in one side of charging relay and diode; the utility model provides a components and parts are concentrated and are arranged, wiring is simple and have a heat dissipation function be used for high power battery interface protection collection moulding piece.

Description

Interface protection integrated module for high-power battery

Technical Field

The utility model relates to a battery system technical field, in particular to be used for high power battery interface protection collection moulding piece.

Background

In order to respond to national energy conservation and environmental protection and new energy development strategies, the application proportion of new energy batteries is increased in each data center, and lithium batteries replace traditional lead batteries, so that the industry development trend is reached.

At present, the lithium cell is mainly connected through high-voltage box and data center for a large amount of components and parts are arranged in the dispersion of high-voltage box the inside, and is bulky, and occupation space is many, walks the line complicacy and just unreasonable. In addition, the functional characteristics of data centers require that lithium batteries must be on-line for long periods of time, and that lithium batteries not be overcharged. However, the lithium battery may be overcharged when it is on-line for a long time, and the main circuit can be connected in time to allow a large current to pass through when it is discharged, and the battery interface is required to be "disconnected, connected, and discharged" when it is critical.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect and not enough that prior art exists, providing a components and parts are concentrated and are arranged, the wiring is simple and have the heat dissipation function be used for high power battery interface protection integrated module.

Realize the utility model discloses the technical scheme of purpose is: the utility model provides a be used for high power battery interface protection integrated module, includes discharge relay, charging relay, diode, fuse and mounting panel, the top surface middle part at the mounting panel is installed to the diode, discharge relay and charging relay establish respectively in the both sides of diode, the fuse is installed in one side of charging relay and diode.

Further, the diode comprises a discharge diode and a charge diode, the discharge diode is connected with the discharge relay in series to form a discharge circuit, and the charge diode is connected with the charge relay in series to form a charge circuit.

Further, the discharging circuit is connected with the charging circuit in parallel and then connected with the fuse in series.

Furthermore, a plurality of heat dissipation strips are arranged around the bottom surface of the mounting plate.

Furthermore, the middle part of the bottom surface of the mounting plate is provided with a plurality of heat dissipation columns.

Further, the section of the heat dissipation strip is rectangular or triangular.

Further, the heat dissipation column is a prism or a cylinder.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) The utility model discloses concentrate on arranging discharge relay, charging relay, diode and fuse on the mounting panel, rather than the dispersion arrange in the high-voltage box, reduced occuping of space, make wiring between components and parts simpler and reasonable simultaneously.

(2) The utility model increases the contact area between the bottom surface of the mounting plate and the air by arranging the heat dissipation strips and the heat dissipation columns, thereby improving the heat dissipation efficiency of the mounting plate; meanwhile, a channel which is communicated longitudinally and transversely is formed between the heat dissipation strip and the heat dissipation column, so that air can flow freely in the channel, and the heat dissipation efficiency of the mounting plate is further improved.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of the present invention;

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

FIG. 3 is an external view of the present invention;

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

In the figure: the device comprises a discharging relay 1, a charging relay 2, a diode 3, a discharging diode 31, a charging diode 32, a fuse 4, a mounting plate 5, a heat dissipation strip 6, a heat dissipation column 7, a channel 8 and a shell 9.

Detailed Description

As shown in fig. 1-4, an interface protection integrated module for a high-power battery comprises a discharging relay 1, a charging relay 2, a diode 3, a fuse 4 and a mounting plate 5, wherein the diode 3 is mounted in the middle of the top surface of the mounting plate 5, the discharging relay 1 and the charging relay 2 are respectively arranged at the left side and the right side of the diode 3, and the fuse 4 is mounted at the front side of the charging relay 2 and the diode 3. This module will concentrate discharge relay 1, charge relay 2, diode 3 and fuse 4 and arrange on mounting panel 5, rather than the dispersion arrange in the high-voltage box, has reduced the occupation in space, makes the wiring between components and parts simpler and reasonable simultaneously.

The diode 3 comprises a discharging diode 31 and a charging diode 32, the discharging diode 31 is connected with the discharging relay 1 in series to form a discharging circuit, the charging diode 32 is connected with the charging relay 2 in series to form a charging circuit, and the discharging circuit is connected with the fuse 4 in series after being connected with the charging circuit in parallel. When the system is initially electrified, the two discharging circuits and the charging circuit are simultaneously disconnected, and after the system self-checking is passed, the module closes or disconnects the discharging relay 1 and the charging relay 2 according to the requirements of an external system. When the battery needs to be discharged and the charging is forbidden, the discharging circuit is closed, and the charging circuit is disconnected; when the battery needs to be charged and discharge is forbidden, the charging circuit is closed, and the discharging circuit is disconnected; when the battery can be charged or discharged, the discharging circuit and the charging circuit are closed simultaneously; when the battery is short-circuited, the fuse 4 is disconnected, and the battery is protected. The design enables the battery interface to be 'broken, connected and discharged'.

Mounting panel 5 adopts ADC12 die-casting aluminium, possesses good thermal conductivity and structural strength, evenly is equipped with a plurality of heat dissipation strips 6 around the 5 bottom surfaces of mounting panel, and the middle part of the 5 bottom surfaces of mounting panel evenly is equipped with a plurality of heat dissipation posts 7, through the setting of heat dissipation strip 6 and heat dissipation post 7, increases the area of contact of the 5 bottom surfaces of mounting panel and air, has improved mounting panel 5's radiating efficiency. Specifically, the section of the heat dissipation strip 6 is rectangular or triangular, and the heat dissipation column 7 is prism or cylinder. In addition, a channel 8 which is communicated with the heat dissipation strip 6 and the heat dissipation column 7 in a longitudinal and transverse mode is formed, and the channel 8 is arranged to enable air to flow freely in the channel 8, so that the heat dissipation efficiency of the mounting plate 5 is further improved. The top surface of the mounting plate 5 is mounted with a housing 9, and the mounting plate 5 and the housing 9 form an enclosure for the discharge relay 1, the charge relay 2, the diode 3, and the fuse 4. The core components in this module all adopt withstand voltage more than 5KW during, last overcurrent capacity reaches 1000A, can bear 750 KW's continuous power.

When the power output module is used, the battery input anode and the power output anode are connected into the module.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An interface protection integrated module for a high power battery, comprising: including discharge relay (1), charging relay (2), diode (3), fuse (4) and mounting panel (5), the top surface middle part in mounting panel (5) is installed in diode (3), the both sides in diode (3) are established respectively in discharge relay (1) and charging relay (2), one side in charging relay (2) and diode (3) is installed in fuse (4).

2. The integrated module for high power battery interface protection of claim 1, wherein: the diode (3) comprises a discharging diode (31) and a charging diode (32), the discharging diode (31) is connected with the discharging relay (1) in series to form a discharging circuit, and the charging diode (32) is connected with the charging relay (2) in series to form a charging circuit.

3. The integrated module for high power battery interface protection according to claim 2, wherein: the discharging circuit is connected with the charging circuit in parallel and then connected with the fuse (4) in series.

4. The integrated module for high power battery interface protection of claim 1, wherein: and a plurality of heat dissipation strips (6) are arranged around the bottom surface of the mounting plate (5).

5. The integrated module for high power battery interface protection according to claim 2, wherein: the middle part of the bottom surface of the mounting plate (5) is provided with a plurality of heat dissipation columns (7).

6. The integrated module for high-power battery interface protection according to claim 4, wherein: the section of the heat dissipation strip (6) is rectangular or triangular.

7. The integrated module for high power battery interface protection of claim 5, wherein: the heat dissipation column (7) is a prism or a cylinder.