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Power supply short circuit positioning mechanism

A positioning mechanism and power supply short circuit technology, which is applied in the field of power short circuit positioning mechanism, can solve the problems of removing components to damage the circuit board, the effect is not obvious, time-consuming, etc.

Pending Publication Date: 2021-08-06
常州易控汽车电子股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the common short-circuit detection, the general detection method is trial and error, remove the components, and check one by one, but this is time-consuming, the effect is not obvious, and too many components are removed to damage the circuit board

Method used

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  • Power supply short circuit positioning mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as Figure 1-Figure 2 As shown, a power supply short-circuit location mechanism includes a power connection mechanism 1 for connecting the device to the short-circuit circuit, a detection mechanism 2 for detecting the short-circuit position, and a reminder mechanism 3 for issuing a warning reminder. The power-on terminal of the detection mechanism 2 Connect the electricity connection mechanism 1, and the other end of the detection mechanism 2 is connected to the reminder mechanism 3.

[0024] Preferably: the electrical connection mechanism 1 includes a constant voltage source, and one end of the constant voltage source is connected to the short-circuit circuit through positive and negative stages, and the other end is connected to the processor of the detection mechanism 2 through a wire. The front end of the processor is a digital image processing circuit, and the digital image processing circuit The signal source end is a photoelectric conversion circuit, the sig...

Embodiment 2

[0027] Such as image 3 , the difference between embodiment 2 and embodiment 1 is that the power-connection mechanism 1 includes a variable current source, and one end of the variable current source is connected to the short-circuit circuit through positive and negative stages, and the other end is connected to the processor of the detection mechanism 2 through a wire, and the front end of the processor is AD conversion circuit, the signal source end of the AD conversion circuit is an amplifying circuit, the signal source end of the amplifying circuit is connected to an electromagnetic induction device, a probe is installed on the electromagnetic induction device, the reminder mechanism 3 is a buzzer alarm device, and the signal source of the buzzer alarm device is connected to a detection The processor of Mechanism 2 judges the short-circuit area by detecting the change of current in the circuit, and provides the changing current to the short-circuit area. The current change o...

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Abstract

The invention discloses a power supply short circuit positioning mechanism which comprises a power connection mechanism used for connecting equipment with a short circuit, a detection mechanism used for detecting a short circuit position and a reminding mechanism used for giving out a warning prompt, the power-on end of the detection mechanism is connected with the power connection mechanism, and the other end of the detection mechanism is connected with the reminding mechanism. The mechanism is rapid in positioning and efficient, does not need violent dismounting of devices for trial and error, and does not damage the circuit board.

Description

technical field [0001] The invention relates to the field of power short circuit positioning, in particular to a power short circuit positioning mechanism. Background technique [0002] A short circuit is a circuit or part of a circuit that is shorted. If the two ends of the load and the power supply are connected together by wires, it is called a short circuit. The current provided by the power supply during the short circuit will be much larger than the current provided during the pass through. Generally, a short circuit is not allowed. If the short circuit is serious, the power supply will be burned out. or device. In the power system, the so-called "short circuit" refers to the connection between phases or between phases and ground (or neutral line) other than the normal operation of the power system. The basic forms of short circuit in the three-phase system are: three-phase short circuit, two-phase short circuit, single-phase ground short circuit, two-phase ground sh...

Claims

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Application Information

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IPC IPC(8): G01R31/42G01R31/52
CPCG01R31/42G01R31/52
Inventor 吴俊华李启发张抒方成郝守刚
Owner 常州易控汽车电子股份有限公司
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