Ultrasonic welding CCS integrated busbar

Abstract

The utility model belongs to the technical field of new energy batteries, and particularly relates to a CCS integrated busbar adopting ultrasonic welding, which comprises a plastic support, an aluminum bar, a circuit board, a piercing terminal connector and a thermistor, a bonding pad of the circuit board is electrically connected with the aluminum bar through ultrasonic welding, and the thermistor is electrically connected with the circuit board through ultrasonic welding. The thermistor is in contact with the aluminum bar, and the piercing terminal connector is electrically connected with the circuit board. According to the utility model, the circuit board and the aluminum bar are fixed in an ultrasonic welding manner, the assembly efficiency is high, and meanwhile, the use of a nickel sheet is eliminated, so that the cost is greatly reduced; and secondly, the puncture terminal connector is adopted to realize connection with the BMS system, and meanwhile, the thermistor is electrically connected with the circuit board in an ultrasonic welding manner, so that the use of the traditional SMT (Surface Mount Technology) is eliminated, the working procedures are reduced, and the cost is further reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of new energy batteries, and more specifically, relates to a CCS integrated busbar using ultrasonic welding. Background Art

[0002] In the signal acquisition system of new energy batteries, a CCS integrated busbar is required to collect parameters such as current, voltage, and temperature of the batteries, and then the battery management is carried out through the BMS. The existing CCS integrated busbar is produced in the way of circuit boards, and then nickel sheets and other electronic components are welded onto the circuit boards through SMT, and then laser welded to the aluminum bar. Such a production method is not only more cumbersome, but also the overall production and processing cost is relatively expensive.

[0003] Therefore, the existing CCS integrated busbar has the following disadvantages:

[0004] (1) Using copper as the conductor, the cost is high;

[0005] (2) Due to the traditional process, SMT patching is required, the process is complex, and the production cost is high;

[0006] (3) In the traditional process, nickel sheets are required to realize the electrical connection between the circuit board and the aluminum bar, and the material and production costs of the nickel sheets are high. Content of the Utility Model

[0007] To solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0008] A CCS integrated busbar using ultrasonic welding, including a plastic bracket, an aluminum bar, a circuit board, a piercing terminal connector, and a thermistor. The pads of the circuit board are electrically connected to the aluminum bar through ultrasonic welding, the thermistor is electrically connected to the circuit board through ultrasonic welding, the thermistor is in contact with the aluminum bar, and the piercing terminal connector is electrically connected to the circuit board.

[0009] As a preferred embodiment of the utility model, the aluminum bars are distributed on both sides of the plastic bracket.

[0010] As a preferred embodiment of the utility model, the circuit board is set as a rigid circuit board or a flexible circuit board.

[0011] As a preferred embodiment of the utility model, the circuit board leads out pads corresponding to each aluminum bar and is electrically connected to the aluminum bar.

[0012] As a preferred embodiment of the utility model, the piercing terminal connector is electrically connected to an external BMS power manager.

[0013] The utility model has the following beneficial effects compared with the prior art:

[0014] The utility model fixes and connects the circuit board and the aluminum bar by ultrasonic welding, with high assembly efficiency. At the same time, the utility model eliminates the use of nickel sheets, greatly reducing costs. Secondly, the utility model uses a puncture terminal connector to achieve electrical connection with the BMS system. At the same time, the thermistor is also electrically connected to the circuit board by ultrasonic welding, thus eliminating the use of traditional SMT, reducing the processes and further reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of the utility model;

[0016] Figure 2 is a side perspective view of the utility model.

[0017] In the figure: 10, plastic bracket; 11, aluminum bar; 12, circuit board; 13, pad; 14, puncture terminal connector; 15, thermistor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] To make the objectives, technical solutions and advantages of the embodiments of the utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0019] A CCS integrated busbar using ultrasonic welding, as Figure 1 and Figure 2 shown, includes a plastic bracket 10, an aluminum bar 11, a circuit board 12, a puncture terminal connector 14 and a thermistor 15. The pad 13 of the circuit board 12 is electrically connected to the aluminum bar 11 by ultrasonic welding. The thermistor 15 is electrically connected to the circuit board 12 by ultrasonic welding. The thermistor 15 contacts the aluminum bar 11. The puncture terminal connector 14 is electrically connected to the circuit board 12.

[0020] As Figure 1 and Figure 2 shown, the aluminum bars 11 are distributed on both sides of the plastic bracket 10.

[0021] In the utility model, the circuit board 12 is set as a rigid circuit board or a flexible circuit board.

[0022] Preferably, the circuit board 12 leads out pads 13 corresponding to each aluminum bar 11 and is electrically connected to the aluminum bar 11.

[0023] The puncture terminal connector 14 is electrically connected to an external BMS power manager.

[0024] The utility model fixedly connects the circuit board 12 and the aluminum bar 11 by ultrasonic welding, with high assembly efficiency. At the same time, the utility model cancels the use of nickel sheets, greatly reducing costs. Secondly, the utility model uses a puncture terminal connector 14 to connect with the BMS system, and the thermistor 15 is also electrically connected to the circuit board 12 by ultrasonic welding, thus canceling the use of traditional SMT, reducing the processes and further reducing costs.

[0025] It can be understood that the utility model is described through some embodiments. Those skilled in the art know that without departing from the spirit and scope of the utility model, various changes or equivalent replacements can be made to these features and embodiments. In addition, under the teaching of the utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the utility model.

Claims

1. A CCS integrated busbar using ultrasonic welding, characterized in that: The invention comprises a plastic bracket (10), an aluminum bar (11), a circuit board (12), a piercing terminal connector (14) and a thermistor (15); the solder pad (13) of the circuit board (12) is electrically connected to the aluminum bar (11) by ultrasonic welding; the thermistor (15) is electrically connected to the circuit board (12) by ultrasonic welding; the thermistor (15) is in contact with the aluminum bar (11); and the piercing terminal connector (14) is electrically connected to the circuit board (12).

2. The CCS integrated busbar using ultrasonic welding according to claim 1, characterized in that: The aluminum bars (11) are distributed on both sides of the plastic support (10).

3. The CCS integrated busbar using ultrasonic welding according to claim 1, characterized in that: The circuit board (12) is configured as a hard circuit board or a flexible circuit board.

4. The CCS integrated busbar using ultrasonic welding according to claim 1, characterized in that: The circuit board (12) leads out a soldering pad (13) corresponding to each aluminum bar (11) and is electrically connected to the aluminum bar (11).

5. The CCS integrated busbar using ultrasonic welding according to claim 1, characterized in that: The piercing terminal connector (14) is electrically connected to an external BMS power manager.

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