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On-line IT system direct-current radio insulation detection device

A technology of detection device and IT system, applied in testing circuits, testing dielectric strength, etc., can solve the problem of inability to conduct online detection of insulation conditions, and achieve the effects of reducing the probability of breakdown, increasing service life, and increasing safety.

Active Publication Date: 2020-01-10
华邦创科(惠州市)智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcoming of inability to detect insulation on-line in the prior art, and propose an on-line IT system DC radio insulation detection device

Method used

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  • On-line IT system direct-current radio insulation detection device
  • On-line IT system direct-current radio insulation detection device
  • On-line IT system direct-current radio insulation detection device

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0040] refer to Figure 1-4 , an on-line IT system DC radio insulation detection device, comprising:

[0041] filter circuit 1, which filters the DC input voltage and outputs a stable DC voltage;

[0042] Chip 2, oscillates the stable DC voltage and outputs high-frequency oscillation voltage;

[0043] Single-chip MCU, connected to chip 2 and controlling the working mode of chip 2;

[0044] Transformer 4, including a primary side and a secondary side, further amplifies the high-frequency oscillating voltage through autocoupling;

[0045] The anti-peak absorption circuit 3 absorbs the reverse voltage generated by the primary side of the transformer 4;

[0046] The ...

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Abstract

The invention discloses an on-line IT system direct-current radio insulation detection device. The on-line IT system direct-current radio insulation detection device comprises a filter circuit, a chip, a microprogrammed control unit (MCU), a transformer, a negative peak absorbing circuit, a rectifying circuit, a feedback circuit, an indicating circuit and an output circuit, wherein the filter circuit inputs the direct current into voltage filter and outputs the stable direct-current voltage, the chips oscillates the stable direct-current voltage and outputs the high-frequency oscillating voltage, the MCU is connected with the chip and controls the working mode of the chip, and the transformer comprises a primary side and a secondary side. According to the on-line IT system direct-current radio insulation detection device, the probability that components on the primary side of the transformer are broken down is reduced through the negative peak absorbing circuit, and the safety of the device is improved; through duodiode series rectification of the rectifying circuit, the pressure resistance of rectification is improved, and the service life of the device is prolonged; and through the feedback circuit, signal impedance is reduced, the signal response speed is increased, the response speed of device detection is increased, the device can be directly connected into a line for on-line insulation detection, and detection convenience is improved.

Description

technical field [0001] The invention relates to the field of safe electricity utilization, in particular to an on-line IT system DC radio insulation detection device. Background technique [0002] Production machinery and equipment need to run continuously when using electricity to improve production efficiency and reduce production costs. Long-term use of machinery and equipment is prone to insulation aging or insulation aging in the connected lines. In order to use electricity safely, mechanical equipment and Lines are regularly tested for insulation. [0003] Existing insulation detection devices are usually offline detection, that is, the detection needs to be performed after the mechanical equipment is powered off. However, for some factories, once the mechanical equipment stops running due to power failure, it will cause huge economic losses. Contents of the invention [0004] The object of the present invention is to solve the shortcoming of inability to perform on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/14
CPCG01R31/14
Inventor 刘震李名银
Owner 华邦创科(惠州市)智能科技有限公司
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