Battery state detection apparatus and method for manufacturing same
First Claim
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1. A battery state detection device comprising:
- a shunt resistor comprising a conductor part, wherein the conductor part comprises a flat portion; and
a battery post terminal comprising;
a battery post connecting portion facilitating connection to a battery post,a bent portion providing a degree of structural rigidity facilitating resistance to a torsional force applied to the battery post connecting portion via a wiring harness connecting portion,a reinforcement wall adjacent to the bent portion, anda shunt resistor connecting portion that is to be connected, by welding, to the flat portion of the conductor part of the shunt resistor, wherein a first fold line and a second fold line of the bent portion are substantially parallel, wherein the bent portion comprises a first flat portion that extends in a first plane from the battery post connecting portion, wherein the first fold line results in deflecting a transition portion of the bent portion from the first flat portion in the first plane into a second plane that is a different plane than the first plane, wherein the second fold line results in deflecting a second flat portion of the bent portion from the transition portion in the second plane into a third plane of the bent portion that is a different plane than the second plane, wherein the second flat portion comprises the shunt resistor connecting portion, wherein the first plane and the third plane are substantially parallel and offset by an offset distance resulting in the bent portion having an S-shape, wherein a first axis of the first fold line and a second axis of the second fold line are substantially parallel to a longitudinal direction of the shunt resistor, wherein a first distance between a first edge and a second edge of the shunt resistor connecting portion of the battery post terminal is less than a second distance between a third edge and a fourth edge of the bent portion of the battery post terminal, and wherein the first distance and the second distance are measured in the longitudinal direction of the shunt resistor.
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Abstract
A battery state detection device (1) includes a shunt resistor (7) and a battery post terminal (4). The shunt resistor (7) includes a second conductor part (12) in the shape of a flat plate. The battery post terminal (4) includes a battery post connecting part (20) for connection to a battery post, and a shunt resistor connecting part (22) for connection to the second conductor part (12) of the shunt resistor (7). The shunt resistor connecting part (22) is in the shape of a flat plate. The second conductor part (12) of the shunt resistor (7) and the shunt resistor connecting part (22) of the battery post terminal (4) are connected to each other by welding.
17 Citations
9 Claims
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1. A battery state detection device comprising:
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a shunt resistor comprising a conductor part, wherein the conductor part comprises a flat portion; and a battery post terminal comprising; a battery post connecting portion facilitating connection to a battery post, a bent portion providing a degree of structural rigidity facilitating resistance to a torsional force applied to the battery post connecting portion via a wiring harness connecting portion, a reinforcement wall adjacent to the bent portion, and a shunt resistor connecting portion that is to be connected, by welding, to the flat portion of the conductor part of the shunt resistor, wherein a first fold line and a second fold line of the bent portion are substantially parallel, wherein the bent portion comprises a first flat portion that extends in a first plane from the battery post connecting portion, wherein the first fold line results in deflecting a transition portion of the bent portion from the first flat portion in the first plane into a second plane that is a different plane than the first plane, wherein the second fold line results in deflecting a second flat portion of the bent portion from the transition portion in the second plane into a third plane of the bent portion that is a different plane than the second plane, wherein the second flat portion comprises the shunt resistor connecting portion, wherein the first plane and the third plane are substantially parallel and offset by an offset distance resulting in the bent portion having an S-shape, wherein a first axis of the first fold line and a second axis of the second fold line are substantially parallel to a longitudinal direction of the shunt resistor, wherein a first distance between a first edge and a second edge of the shunt resistor connecting portion of the battery post terminal is less than a second distance between a third edge and a fourth edge of the bent portion of the battery post terminal, and wherein the first distance and the second distance are measured in the longitudinal direction of the shunt resistor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification