Integrated battery module acquisition unit

Abstract

The utility model discloses an integrated battery module acquisition unit, which comprises a battery cell, an aluminum bar, a plastic uptake tray, a connector, a wire harness, an OT terminal, a temperature sensor and a plastic uptake upper cover, the plastic uptake upper cover is fixed on the plastic uptake tray and positioned above the wire harness and the aluminum bar, and the OT terminal and the temperature sensor are fixedly connected to two opposite sides of the wire harness respectively. The connector is connected with a wire harness terminal connected to the tail end of a wire harness, the OT terminal is welded to the aluminum bar located on the same side with the OT terminal, the temperature sensor is welded to the aluminum bar located on the same side with the temperature sensor, and the middle of the plastic uptake tray is sunken to form a groove used for containing the wire harness. A plurality of square holes matched with the aluminum bars are formed in the positions, located on the two sides of the groove, of the plastic uptake tray, protruding columns are formed in the positions, located on the side edges of the square holes, of the plastic uptake tray in a protruding mode, round holes matched with the protruding columns are formed in the aluminum bars, and the plastic uptake tray is arranged between the aluminum bars and the battery cells. And the plastic uptake tray is fixed above the battery cell by welding the aluminum bar onto the battery cell.

Description

Technical field:

[0001] The utility model relates to an integrated battery module collection unit, which belongs to the field of new energy module electrical technology. Background technology:

[0002] The battery module data acquisition unit is used to monitor the voltage and temperature of each cell within the battery module and ensure a tight connection between the high-voltage cells. Existing battery module data acquisition units are not highly integrated, hindering the automated assembly process of existing battery modules and resulting in excessively long manufacturing times.

[0003] Therefore, it is necessary to improve the existing technology to solve the shortcomings of the existing technology. Utility model content:

[0004] The present invention aims to solve the problems existing in the above-mentioned prior art and provides an integrated battery module collection unit, which can solve the defects of the existing module collection unit such as low integration, high process difficulty and long manufacturing time.

[0005] The utility model adopts the following technical solution: an integrated battery module acquisition unit, including a battery cell, an aluminum bar, a blister tray, a connector, a wiring harness, an OT terminal, a temperature sensor and a blister cover, wherein the blister cover is fixed on the blister tray and is located above the wiring harness and the aluminum bar, the OT terminal and the temperature sensor are fixedly connected to opposite sides of the wiring harness in the length direction, the connector is connected to the wiring harness terminal connected to the end of the wiring harness, the OT terminal is welded to the aluminum bar on the same side as the OT terminal, and the temperature sensor is welded to the aluminum bar on the same side as the OT terminal. On the aluminum bar on the same side, the blister tray is located above the battery cell, and the middle position of the blister tray is recessed to form a groove extending along its length for placing the wiring harness, and the blister tray is formed with a number of spaced square holes on both sides of the groove that match the aluminum bar. The blister tray is raised at the side edges of the square holes to form a boss, and the aluminum bar is formed with a circular hole that matches the boss. The blister tray is placed between the aluminum bar and the battery cell, and the blister tray is fixed above the battery cell by welding the aluminum bar to the battery cell.

[0006] Furthermore, the aluminum bars include a first group of aluminum bars and a second group of aluminum bars extending along the length direction of the blister tray and spaced apart along the width direction of the blister tray.

[0007] Furthermore, the first group of aluminum bars consists of a first end aluminum bar, a second end aluminum bar, and a middle aluminum bar located between the first end aluminum bar and the second end aluminum bar, and the second group of aluminum bars consists of a middle aluminum bar.

[0008] Furthermore, a clamping column is formed at the outer edge of the blister cover, and a clamping groove is formed on the blister tray at a position opposite to the clamping column, and the blister cover is fixed on the blister tray through the cooperation of the clamping column and the clamping groove.

[0009] Furthermore, the first group of aluminum bars and the second group of aluminum bars are respectively located on both sides of the wiring harness.

[0010] Furthermore, the battery cell includes a module total positive battery cell, a module total negative battery cell and a middle battery cell located between the module total positive battery cell and the module total negative battery cell. The tail of the first end aluminum bar in the first group of aluminum bars is welded at the positive pole of the module total positive battery cell, and the tail of the second end aluminum bar is welded at the negative pole of the module total negative battery cell.

[0011] Furthermore, the two ends of the middle aluminum bar are welded to the positive electrode of the total negative battery cell of the module and the negative electrode of the middle battery cell that are adjacent and located on the same side, the positive electrode and negative electrode of the middle battery cell that are adjacent and located on the same side, and the positive electrode of the middle battery cell and the negative electrode of the total positive battery cell of the module that are adjacent and located on the same side.

[0012] The present invention has the following beneficial effects: Conventional battery module data acquisition unit assembly in the prior art requires the assembly of the module cells before placing the PC sheet on the bottom, positioning the aluminum bars one by one, and then welding them. Finally, the OT terminals and temperature sensors on the wiring harness are welded, and the wiring harness is secured. The present invention eliminates the two steps of positioning the aluminum bars and welding the OT terminals and temperature sensors on the wiring harness during assembly. Positioning the aluminum bars and welding the OT terminals and temperature sensors can be performed simultaneously with module cell assembly, thus reducing work hours. Description of the drawings:

[0013] Figure 1 This is a schematic diagram of the decomposition of the integrated battery module collection unit of the utility model.

[0014] Figure 2 This is a schematic diagram of a blister tray.

[0015] Figure 3 This is a schematic diagram of the assembly of the integrated battery module collection unit of the utility model. Specific implementation method:

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] The integrated battery module data acquisition unit of the present invention includes a battery cell, aluminum bars, a blister tray 5, a connector 7, a wiring harness 6, an OT terminal 2, a temperature sensor 10, and a blister cover 1. The blister cover 1 is fixed to the blister tray 5 and located above the wiring harness 6 and the aluminum bars. The aluminum bars include a first group of aluminum bars and a second group of aluminum bars extending along the length of the blister tray 5 and spaced apart along the width of the blister tray 5.

[0018] The first group of aluminum bars consists of a first end aluminum bar 3 , a second end aluminum bar 8 and a middle aluminum bar 4 located between the first end aluminum bar 3 and the second end aluminum bar 8 , and the second group of aluminum bars consists of the middle aluminum bar 4 .

[0019] A clamping column 100 is formed at the outer edge of the blister cover 1, and a clamping groove 50 is formed on the blister tray 5 at a position opposite to the clamping column 100. The blister cover 1 is fixed to the blister tray 5 through the cooperation of the clamping column 100 and the clamping groove 50.

[0020] The OT terminal 2 and the temperature sensor 10 are respectively crimped and fixedly connected to opposite sides of the length direction of the wiring harness 6. The connector 7 is connected to the wiring harness terminal 13 connected to the end of the wiring harness 6. The connector 7 is used to output the battery cell voltage and temperature signals collected by the wiring harness 6.

[0021] The blister tray 5 is positioned above the battery cells. A groove 53 extending along its length is formed in the center of the tray. Several spaced-apart square holes 51 are formed on either side of the groove 53 to mate with the first and second sets of aluminum bars. The wiring harness 6 is placed in the groove 53 formed in the center of the tray and secured to the tray with cable ties using the square holes 51.

[0022] On the blister tray 5, protrusions 52 are formed on the side edges of the square holes 51. Round holes (not shown) are formed on the first and second sets of aluminum bars opposite the protrusions 52. The first and second sets of aluminum bars are mounted on the blister tray 5 by fitting the protrusions 52 into the round holes. At this point, the first and second sets of aluminum bars are located on either side of the wiring harness 6. The OT terminal 2 is welded to the adjacent second set of aluminum bars, and the temperature sensor 10 is also welded to the adjacent first set of aluminum bars.

[0023] The blister tray 5 is placed between the first group of aluminum bars, the second group of aluminum bars and the battery core, and the blister tray 5 is fixed above the battery core by welding the first group of aluminum bars and the second group of aluminum bars to the battery core.

[0024] The battery cells include a module-wide positive cell 11, a module-wide negative cell 9, and a middle cell 12 located between the module-wide positive cell 11 and the module-wide negative cell 9. By analogy, the negative electrode of the module-wide positive cell 11 and the positive electrode of the adjacent middle cell 12 are located on the same side. The negative electrode of the middle cell 12 and the positive electrode of the next adjacent middle cell 12 are also located on the same side. Similarly, the negative electrode of the last middle cell 12 in the above analogy direction is located on the same side as the positive electrode of the module-wide negative cell 9. The tail of the first-end aluminum bar 3 in the first group of aluminum bars is welded to the positive electrode of the module-wide positive cell 11, and the tail of the second-end aluminum bar 8 is welded to the negative electrode of the module-wide negative cell 9. The two ends of the middle aluminum bar 4 are welded to the positive pole of the module's total negative cell 9 and the negative pole of the middle cell 12 adjacent to and located on the same side, the positive pole and negative pole of the middle cell 12 adjacent to and located on the same side, and the positive pole of the middle cell 12 and the negative pole of the module's total positive cell 11 adjacent to and located on the same side.

[0025] This integrated battery module data acquisition unit utilizes a blister tray 5 and welding technology to effectively enhance its automated manufacturing capabilities. The aluminum bar is positioned by protrusions 52 on the blister tray 5 and secured by heat fusion. The OT terminals 2 and temperature sensor 10 are laser welded to the aluminum bar. This integrated battery module data acquisition unit reduces manufacturing complexity and significantly shortens manufacturing time during product assembly.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements can be made without departing from the principles of the present invention. These improvements should also be regarded as the scope of protection of the present invention.

Claims

1. An integrated battery module acquisition unit, characterized by: The invention comprises a battery cell, an aluminum bar, a blister tray (5), a connector (7), a wiring harness (6), an OT terminal (2), a temperature sensor (10) and a blister cover (1), wherein the blister cover (1) is fixed on the blister tray (5) and is located above the wiring harness (6) and the aluminum bar, the OT terminal (2) and the temperature sensor (10) are respectively fixedly connected to opposite sides of the wiring harness (6) in the longitudinal direction, the connector (7) is connected to the wiring harness terminal (13) connected to the end of the wiring harness (6), the OT terminal (2) is welded to the aluminum bar located on the same side as the OT terminal, and the temperature sensor (10) is welded to the aluminum bar located on the same side as the OT terminal. The blister tray (5) is located above the battery cell. A groove (53) extending along its length is formed in the middle of the blister tray (5) for placing the wiring harness (6). A plurality of spaced-apart square holes (51) are formed on both sides of the groove (53) on the blister tray (5). A convex column (52) is formed on the side edge of the square hole (51). A circular hole is formed on the aluminum bar to match the convex column (52). The blister tray (5) is placed between the aluminum bar and the battery cell. The blister tray (5) is fixed above the battery cell by welding the aluminum bar to the battery cell.

2. The integrated battery module acquisition unit according to claim 1, wherein: The aluminum bars include a first group of aluminum bars and a second group of aluminum bars extending along the length direction of the blister tray (5) and spaced apart along the width direction of the blister tray (5).

3. The integrated battery module data acquisition unit according to claim 2, wherein: The first group of aluminum bars consists of a first end aluminum bar (3), a second end aluminum bar (8) and a middle aluminum bar (4) located between the first end aluminum bar (3) and the second end aluminum bar (8), and the second group of aluminum bars consists of the middle aluminum bar (4).

4. The integrated battery module data acquisition unit according to claim 1, wherein: A clamping column (100) is formed at the outer edge of the blister upper cover (1), and a clamping groove (50) is formed on the blister tray (5) at a position opposite to the clamping column (100). The blister upper cover (1) is fixed to the blister tray (5) through the cooperation of the clamping column (100) and the clamping groove (50).

5. The integrated battery module data acquisition unit according to claim 3, wherein: The first group of aluminum bars and the second group of aluminum bars are respectively located on both sides of the wiring harness (6).

6. The integrated battery module data acquisition unit according to claim 5, wherein: The battery cell comprises a total positive battery cell (11) of the module, a total negative battery cell (9) of the module, and a middle battery cell (12) located between the total positive battery cell (11) of the module and the total negative battery cell (9); the tail of the first end aluminum bar (3) in the first group of aluminum bars is welded to the positive electrode of the total positive battery cell (11), and the tail of the second end aluminum bar (8) is welded to the negative electrode of the total negative battery cell (9).

7. The integrated battery module data acquisition unit according to claim 6, wherein: The two ends of the middle aluminum bar (4) are welded to the positive electrode of the module total negative battery (9) and the negative electrode of the middle battery (12) adjacent to each other and located on the same side, the positive electrode and negative electrode of the middle battery (12) adjacent to each other and located on the same side, and the positive electrode of the middle battery (12) and the negative electrode of the module total positive battery (11) adjacent to each other and located on the same side.

Images