battery monitoring device
A battery monitoring and battery connection technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve the problems of high manufacturing process requirements, poor welding, affecting the measurement accuracy of the measuring circuit, etc., to improve reliability and stability. , the effect of reducing failures
Active Publication Date: 2017-02-08
KEBODA TECH CO LTD +1
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] Since the first shunt pin and the second shunt pin are connected to the shunt by welding, the requirements for the manufacturing process are relatively high, and poor welding is prone to occur, which in turn affects the measurement accuracy of the measurement circuit. If there is a false welding, it may even cause the battery monitoring device to fail to work properly
Method used
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Embodiment Construction
[0013] The present invention will be further described below in conjunction with the accompanying drawings.
[0014] Please refer to Figure 1 to Figure 6 . A battery monitoring device according to an embodiment of the present invention includes a housing 1 , a battery connection terminal 2 , a shunt 3 , a circuit board 4 , shunt pins 5 and a pair of external terminals 6 .
[0015] The battery connection terminal 2 includes a connection portion 21 connected to a terminal post of the battery and an arm portion 22 connected to the connection portion 21 . The shunt 3 includes a measuring portion 30 and a first end portion 31 and a second end portion 32 respectively located on opposite sides of the measuring portion 30 . The measuring part 30 is made of a first conductive metal material, and both the first end part 31 and the second end part 32 are made of a second conductive metal material different from the first conductive metal material. The first conductive metal material ...
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The invention discloses a battery monitoring device, comprising a battery connecting terminal, a shunt, a circuit board and a shunt pin; the battery connecting terminal comprises a connecting part connected with a wiring post of a battery and an arm part connected with the connecting part; the shunt comprises a measuring part and a first end part and a second end part which are respectively positioned at two opposite sides of the measuring part; the first end part is connected with the arm part; the circuit board is arranged below the arm part and the shunt; the shunt pin is welded at the lower surface, close to one side of the measuring part, of the second end part and is electrically connected with the circuit board; the battery monitoring device is characterized in that a convex part downwards extending is arranged at the arm part and is electrically connected with the circuit board. Only one end part of the shunt is electrically connected to the circuit board by the shunt pin welded with the end part, so compared with the prior art, the battery monitoring device has the advantages of reducing the fault caused by poor welding as one welded shunt pin is omitted, and improving reliability and stability of a product.
Description
technical field [0001] The invention relates to a battery monitoring device. Background technique [0002] Battery monitoring devices are widely used in vehicles with batteries to detect the working conditions of the batteries and output detection signals to the controller of the vehicle. An existing battery monitoring device mainly includes a battery connection terminal, a shunt, a circuit board and a pair of shunt pins. The battery connection terminal includes a connection portion connected to a terminal post of the battery and an arm portion connected to the connection portion. The shunt includes a measuring portion and a first end portion and a second end portion respectively located on opposite sides of the measuring portion, and the first end portion is connected to the arm portion. The circuit board is arranged under the arm and the shunt. One of the shunt pins is welded on the lower surface of the first end near the measurement part, and is electrically connected ...
Claims
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IPC IPC(8): G01R31/36
Inventor 张安君
Owner KEBODA TECH CO LTD