KR-20260065805-A - Battery module information collection connection system and electrical device

KR20260065805AKR 20260065805 AKR20260065805 AKR 20260065805AKR-20260065805-A

Abstract

A battery module information collection connection system and an electrical device are provided, wherein the system comprises an insulating support (100), a flexible circuit board (200), a battery control member (300), a first conductive member (400), a collection member (500), and a battery module (600), wherein the insulating support (100) is installed on the battery module (600), and the flexible circuit board (200) comprises a first flexible circuit board (210) and a second flexible circuit board (220), wherein the first flexible circuit board (210) is installed on one side of the insulating support (100) facing away from the battery module (600), and the second flexible circuit board (220) is installed on one side of the insulating support (100) facing the battery module (600), and the flexible circuit board (200) is connected to the battery control member (300), and the cell is connected to the flexible circuit board (200) through the collection member (500), and the battery control The member (300) is connected to the battery module (600), and the first conductive member (400) is installed on one side of the insulating support (100) facing the second flexible circuit board (220) and corresponds to the position of the second flexible circuit board (220). One end of the first conductive member (400) is connected to the battery control member (300), and the other end is connected to a high-voltage interface, and the high-voltage interface is connected to the battery control member (300) for communication.

Inventors

저우, 홍취안
연, 화핑
중, 유

Assignees

이브 에너지 씨오., 엘티디.

Dates

Publication Date: 20260511
Application Date: 20250421
Priority Date: 20241101

Claims (12)

In a battery module information collection connection system, A battery module comprising an insulating support, a flexible circuit board, a battery control member, a first conductive part, a collecting member, and a plurality of cells, wherein the insulating support is installed on the battery module, and the flexible circuit board comprises a plurality of first flexible circuit boards and at least one second flexible circuit board, wherein the first flexible circuit board is installed on one side of the insulating support facing away from the battery module, and the second flexible circuit board is installed on one side of the insulating support facing the battery module, and the first flexible circuit board and the second flexible circuit board are connected to the battery control member, the cell is connected to the first flexible circuit board or the second flexible circuit board through the collecting member, and the battery control member is connected to the battery module, the first conductive part is installed on one side of the insulating support facing away from the second flexible circuit board and corresponds to the position of the second flexible circuit board, the first conductive part is installed at a distance from the first flexible circuit board, and the first end of the first conductive part is connected to the battery control member and A battery module information collection connection system that is connected, wherein a high-voltage interface is connected to the second terminal of the first conductive part, and the high-voltage interface is communicationally connected to the battery control member.
In Article 1, A battery module information collection connection system in which the length of the insulating support is extended along the X direction, the width of the insulating support is extended along the Y direction perpendicular to the X direction, the insulating support has a first stage and a second stage along the X direction, the battery control member is adjacent to the first stage of the insulating support, the high voltage interface is adjacent to the second stage of the insulating support, and the lengths of the first flexible circuit board, the second flexible circuit board, and the first conductive part are extended along the X direction.
In Article 2, The battery control member comprises a battery management controller, a battery cutoff unit, and a plurality of battery information collectors located on one side of the insulating support facing away from the battery module, wherein each of the first flexible circuit boards and each of the second flexible circuit boards is connected to one of the battery information collectors, a high-speed charging plug interface is connected to the battery cutoff unit, the battery cutoff unit is connected to the high-voltage interface through the first conductive part, and the battery cutoff unit, the high-voltage interface, and all of the battery information collectors are each connected to the battery management controller in a battery module information collection connection system.
In Paragraph 3, A battery module information collection connection system in which the first flexible circuit board is welded to the corresponding battery information collector, and the second flexible circuit board passes through the insulating support and is welded to the corresponding battery information collector.
In Article 4, The battery information collector is equipped with a first collection port and a second collection port, wherein the first collection port and the second collection port are located at both ends of the battery information collector along the X direction, and the first collection port is adjacent to the first end of the insulating support; The first flexible circuit board comprises a first sub-flexible circuit board and a second sub-flexible circuit board, wherein the first sub-flexible circuit board is located on one side of the second sub-flexible circuit board facing the insulating support, the first sub-flexible circuit board is welded to the first collection port of the corresponding battery information collector, and the second sub-flexible circuit board is welded to the second collection port of the corresponding battery information collector; A battery module information collection connection system wherein the second flexible circuit board comprises a third sub-flexible circuit board and a fourth sub-flexible circuit board, wherein the third sub-flexible circuit board is located on one side of the fourth sub-flexible circuit board facing away from the insulating support, the third sub-flexible circuit board is welded to the first collection port of the corresponding battery information collector passing through the insulating support, and the fourth sub-flexible circuit board is welded to the second collection port of the corresponding battery information collector passing through the insulating support.
In Article 5, A first end of the first sub-flexible circuit board along the X direction overlaps and contacts the second sub-flexible circuit board, and a second end of the first sub-flexible circuit board along the X direction extends to the first end of the insulating support and is flipped to form a first connection end, and the first connection end is welded to the first collection port of the corresponding battery information collector, and a first end of the second sub-flexible circuit board along the X direction extends to the second end of the insulating support, and a second end of the second sub-flexible circuit board along the X direction extends to overlap and contact the first sub-flexible circuit board and is bent to form a second connection end, and the second connection end is welded to the second collection port of the corresponding battery information collector; A first end of the third sub-flexible circuit board along the X-direction overlaps and contacts the fourth sub-flexible circuit board, and a second end of the third sub-flexible circuit board along the X-direction extends to the first end of the insulating support and flips to form a third connection end, the third connection end is located on one side of the insulating support facing away from the battery module and is welded to the first collection port of the corresponding battery information collector, and a first end of the fourth sub-flexible circuit board along the X-direction extends to the second end of the insulating support, and a second end of the fourth sub-flexible circuit board along the X-direction extends to overlap and contact the third sub-flexible circuit board, and is bent to pass through the insulating support to form a fourth connection end, the fourth connection end is located on one side of the insulating support facing away from the battery module and is welded to the second collection port of the corresponding battery information collector, and an avoidance opening is formed in the insulating support to allow the fourth sub-flexible circuit board to pass through. Battery module information collection connection system.
In Article 2, A battery module information collection connection system wherein the above-mentioned collection member includes a plurality of temperature sensors and a plurality of second conductive members, wherein the temperature sensors are adhered to the surface of the cell and connected to the flexible circuit board, and the second conductive members are respectively connected to the flexible circuit board and the cell.
In Article 7, A battery module information collection connection system in which the above-mentioned collection member further includes a printed circuit board, and a plurality of the above-mentioned printed circuit boards are installed at intervals on each side of each of the above-mentioned flexible circuit boards along the Y direction, and the above-mentioned printed circuit boards are connected to the flexible circuit boards, and the temperature sensor is welded to the above-mentioned printed circuit boards.
In Article 7, A battery module information collection connection system wherein the second conductive part comprises a conductive busbar and a conductive sheet, all of the cells are connected in series through the conductive busbar, and the conductive sheet is welded to the conductive busbar and the flexible circuit board, respectively.
In Article 8, It further includes a third conductive part and a fourth conductive part, wherein the third conductive part is located on one side of the insulating support facing away from the battery module, and the third conductive part and the first conductive part are installed side by side with a gap; The conductive busbar comprises a first aluminum busbar, a second aluminum busbar, and a plurality of third aluminum busbars, and all said cells are connected in series through said third aluminum busbars, the first aluminum busbar is connected to the positive electrode of one said cell adjacent to the second end of the insulating support, and the second aluminum busbar is connected to the negative electrode of another said cell adjacent to the first end of the insulating support; and the first aluminum busbar, the second aluminum busbar, and each said third aluminum busbar are each connected to the flexible circuit board through one said conductive sheet; A battery module information collection connection system in which the battery control member is connected to the first aluminum busbar through the third conductive part, and the battery control member is connected to the second aluminum busbar through the fourth conductive part.
In any one of paragraphs 2 through 10, A battery module information collection connection system further comprising a low-voltage interface, wherein the low-voltage interface is located at the second end of the insulating support and is adjacent to the high-voltage interface, and the low-voltage interface is communicationally connected with the battery control member.
In electrical devices, An electric device comprising a mounting sheet and a battery module information collection connection system according to any one of claims 1 to 11, wherein the battery module of the battery module information collection connection system is mounted on the mounting sheet.

Description

Battery module information collection connection system and electrical device The present application relates to the field of power battery technology, and, for example, to a battery module information collection connection system and an electrical device including said battery module information collection connection system. As new energy vehicles develop rapidly, user demands for driving range and economic efficiency are increasing. Current conventional solutions primarily involve increasing the charge capacity of the battery pack or improving its charging efficiency. High levels of directness in system grouping design are achieved by utilizing methods such as Cell to Pack (CTP) and Cell to Chassis (CTC). The background technology of the present invention is disclosed in Korean Registered Patent No. 10-1716460. FIG. 1 is a schematic diagram of the structure of a battery module information collection connection system of some embodiment of the present application. FIG. 2 is an exploded schematic diagram of a battery module information collection connection system of some embodiment of the present application. Figure 3 is a local enlarged view of part A in Figure 2. Figure 4 is a local enlarged view of part B in Figure 2. FIG. 5 is a schematic diagram of the assembly of an insulating support, a BIC, a flexible circuit board, a conductive busbar, and a temperature sensor of some embodiments of the present application. Figure 6 is a local enlarged view of section C in Figure 5. FIG. 7 is a local exploded schematic diagram of a flexible circuit board, a BIC, and an insulating support of some embodiments of the present application. FIG. 8 is an exploded schematic diagram of a BIC corresponding to a first flexible circuit board of some embodiment of the present application. FIG. 9 is an exploded schematic diagram of a BIC and an insulating support corresponding to a second flexible circuit board of some embodiment of the present application. FIG. 10 is a schematic diagram of the structure of a BIC of some embodiment of the present application. FIG. 11 is a schematic diagram of the structure of an electrical device of some embodiment of the present application. The present application claims priority to the Chinese patent application No. 202411555638.1, filed with the Chinese Intellectual Property Office on November 1, 2024, and the Chinese patent application No. 202422670580.7, filed with the Chinese Intellectual Property Office on November 1, 2024, the entire contents of said applications are incorporated into the present application by reference. The embodiments of the present application are described below in conjunction with the attached drawings, and the described embodiments are some of the related embodiments of the present application. As shown in FIGS. 1 to 10, the battery module information collection connection system of the present embodiment includes an insulating support (100), a flexible circuit board (200), a battery control member (300), a first conductive member (400), a collection member (500), and a battery module (600) composed of a plurality of cells. An insulating support (100) is installed on a battery module (600), and a flexible circuit board (200) includes a plurality of first flexible circuit boards (210) and at least one second flexible circuit board (220). The first flexible circuit board (210) is installed on one side of the insulating support (100) facing away from the battery module (600), and the second flexible circuit board (220) is installed on one side of the insulating support (100) facing the battery module (600). The first flexible circuit board (210) and the second flexible circuit board (220) are connected to a battery control member (300). A cell is connected to the first flexible circuit board (210) or the second flexible circuit board (220) through a collection member (500). The battery control member (300) is connected to the battery module (600), and the first conductive part (400) is connected to the second flexible A first conductive part (400) is installed on one side of an insulating support (100) facing away from a circuit board (220) and corresponds to the position of a second flexible circuit board (220), and the first conductive part (400) is installed at a distance from the first flexible circuit board (210), and the first end of the first conductive part (400) is connected to a battery control member (300), and a high voltage interface (710) is connected to the second end of the first conductive part (400), and the high voltage interface (710) is communication-connected to the battery control member (300). The first conductive part (400) used to connect the high-voltage interface (710) belongs to the high-voltage transmission element, and the flexible circuit board (200) belongs to the low-voltage transmission element. In this embodiment, the second flexible circuit board (220) is installed on the back side of the insulating support (100) (one side of th