Line sequence detecting device

A wire sequence detection and circuit technology, which is applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve problems such as short circuit, personal injury, and low efficiency

Pending Publication Date: 2018-10-12
CHANGZHOU DEV & MFR CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These two methods are not only inefficient in actual production, but there is also a short circuit phenomenon in the process of measuring with a multimeter, so there is a risk of personal injury

Method used

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Examples

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Embodiment 1

[0034] See Figure 1 to Figure 11 , a line sequence detection device, including a detection socket, an analog multiplexer circuit, a relay conversion channel circuit, a first threshold comparison isolation circuit, a second threshold comparison isolation circuit, a first reference voltage supply circuit, a second reference voltage Provide circuit, MCU level judgment circuit, infrared signal receiving circuit, display screen, 232 serial port circuit and infrared remote control;

[0035] The detection socket has a voltage input end and a voltage output end; the analog multiplexer circuit has a voltage input end, a voltage output end and a signal input end; the relay switching channel circuit has a voltage input end, a first voltage output end terminal, a second voltage output terminal and a signal input terminal; the first threshold comparison isolation circuit has a first voltage input terminal, a second voltage input terminal, a third voltage input terminal and a signal output...

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PUM

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Abstract

A line sequence detecting device comprises a detecting socket, an analog multiplexer circuit, a relay switching channel circuit, a first threshold comparison isolation circuit, a second threshold comparison isolation circuit, a first reference voltage supply circuit, and a second reference voltage supply circuit, a single chip microcomputer level judgment circuit, an infrared signal receiving circuit, a display screen and 232 serial port circuit, and an infrared remote control; the analog multiplexer circuit and the relay switching channel circuit are electrically connected; the relay switching channel circuit is electrically connected to the first threshold comparison isolation circuit and the second threshold comparison isolation circuit; the first threshold comparison isolation circuitand the second threshold comparison isolation circuit are electrically connected to the first reference voltage supply circuit and the second reference voltage supply circuit respectively; and the analog multiplexer circuit, the relay switching channel circuit, the infrared signal receiving circuit, the first threshold comparison isolation circuit and the second threshold comparison isolation circuit are electrically connected to the single chip microcomputer level judgment circuit. The line sequence detecting device has high production efficiency and will not cause personal injury.

Description

technical field [0001] The invention relates to a line sequence detection device. Background technique [0002] At present, new energy vehicles basically use BMS to detect the voltage of the single battery of the power battery pack, and the line sequence of the voltage acquisition line needs to be checked before connecting to the BMS detection board. Otherwise, the BMS detection board will be burned out due to wrong connection or missing connection. At present, the inspection line sequence is mainly checked by the production personnel according to the electrical drawings one by one or by using a multimeter to measure the voltage at the connector terminal one by one according to the electrical drawings. These two methods are not only inefficient in actual production, but also have a short circuit phenomenon in the process of measuring with a multimeter, so there is a risk of personal injury. Contents of the invention [0003] The purpose of the present invention is to pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/02
CPCG01R31/58
Inventor 方文杰叶东蕾王春华陶鹏飞王保瑞
Owner CHANGZHOU DEV & MFR CENT
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