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Detection circuit used for detecting voltage outputted by multi-path power supply module

A technology for detecting circuits and power modules, applied in the field of detecting circuits, can solve problems such as complex circuit design, and achieve the effects of convenient debugging and reduced workload.

Inactive Publication Date: 2018-02-23
HAIYING ENTERPRISE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention solves the problem of complex circuit design when simultaneously detecting the output voltages of multi-channel DC power supply modules in the traditional way, and the detection circuit of the present invention sets the detection limit of the voltage through software, and does not need to modify the design of the hardware circuit, and It can realize real-time online detection of the output voltage of the faulty voltage module

Method used

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  • Detection circuit used for detecting voltage outputted by multi-path power supply module
  • Detection circuit used for detecting voltage outputted by multi-path power supply module
  • Detection circuit used for detecting voltage outputted by multi-path power supply module

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Embodiment Construction

[0030] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0031] figure 1 is a schematic structural diagram of a detection circuit for detecting output voltages of multiple power supply modules provided in an embodiment of the present invention. The detection circuit includes a power selection circuit 110 , a sampling circuit 120 , a control circuit 130 and a prompt circuit 140 .

[0032] The control circuit 130 is electrically connected to the power ...

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Abstract

The application discloses a detection circuit used for detecting voltages outputted by multi-path power supply modules, and aims to detect voltages outputted by multi-path power supply modules in thesame time; the detection circuit has a work mode and a debugging mode; under the work mode, the circuit can use a single chip to realize cycle detections on a multipath channel machine; under the debugging mode, the corresponding detection channel can be manually selected through a toggle switch, thus directly reading (without needing extra instruments) the specific value of the voltage outputtedby the power supply module corresponding to the selected detection channel. The detection circuit is easy to debug, and can reduce the workloads.

Description

technical field [0001] The invention belongs to the technical field of circuit fault detection, and in particular relates to a detection circuit for detecting voltages output by multi-channel power supply modules. Background technique [0002] The method adopted by the traditional technology for power failure detection is to sample the voltage value output by the power module. When the output voltage of the power module is lower than the predetermined first voltage alarm limit or higher than the predetermined second voltage alarm limit, The circuit gives an alarm prompt, and the first voltage alarm limit is smaller than the second voltage alarm limit. [0003] The defect of this detection method is that it can only detect and alarm the voltage output by a single power supply module, and the voltage alarm limit is generally set by the hardware circuit, and the change of the voltage alarm limit needs to redesign the circuit. When detecting the output voltage amplitude of mult...

Claims

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Application Information

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IPC IPC(8): G01R31/40G01R19/00
CPCG01R19/0084G01R31/40
Inventor 徐海军
Owner HAIYING ENTERPRISE GROUP
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