Intelligent low-voltage shunt monitoring unit

A monitoring unit, low-voltage technology, applied in the field of intelligent low-voltage shunt monitoring unit

Inactive Publication Date: 2020-09-29
江苏和网源电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the deficiencies of the existing technology, the present invention provides an intelligent low-voltage shunt monitoring unit, which has the advantages of being able to effectively m

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Embodiment Construction

[0020] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see Figure 1-2 , an intelligent low-voltage shunt monitoring unit, including the architecture of G80F975 single-chip microcomputer, the architecture of G80F975 single-chip microcomputer adopts 8051 core, the architecture of G80F975 single-chip microcomputer comes with 128k bytes of program Flash, 4k bytes of on-chip EEProm, and 8k bytes of RAM And four-way UART, the G80F975 single-chip microcomputer with the unit structure is embedded with a power mete...

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Abstract

The invention relates to the technical field of low-voltage shunt monitoring and further discloses an intelligent low-voltage shunt monitoring unit. The unit comprises a G80F975 single-chip microcomputer of a framework. The G80F975 single chip microcomputer of the framework adopts an 8051 inner core; and the G80F975 single-chip microcomputer of the framework is provided with a program Flash with 128k bytes, an on-chip EEProm with 4k bytes, an RAM with 8k bytes and four paths of UART. An electric energy metering module is embedded in the G80F975 single-chip microcomputer of the unit framework.A 14-bit high-precision AD conversion module is further integrated in the G80F975 single-chip microcomputer of the framework. The G80F975 single-chip microcomputer of the framework is provided with atemperature sensor, a high-precision RTC and an IO pin. The IO pin is electrically connected with a fault indicating lamp, an operation lamp and a reset button, the G80F975 single-chip microcomputer of the framework is also internally provided with an RTC clock module, and the RTC clock module is electrically connected with an external backup battery. The intelligent low-voltage shunt monitoring unit can effectively monitor a low-voltage shunt.

Description

technical field [0001] The invention relates to the technical field of low-voltage shunt monitoring, in particular to an intelligent low-voltage shunt monitoring unit. Background technique [0002] The intelligent low-voltage shunt monitoring unit is used to monitor the reliability of low-voltage 400V user-side power consumption. With the promotion and construction of smart grids, the intelligent construction of power grids is gradually covered by high-voltage to medium- and low-voltage, especially in the past two years. The investment and construction of power grid automation and intelligence have made the intelligence of the entire power grid at voltage levels above 10kV more and more perfect. On the 400V side of the 10kV distribution transformer, effective monitoring has not yet been implemented. The intelligent low-voltage shunt monitoring unit is used for 400V low-voltage power reliability detection device, which is installed on the 400V branch lines of low-voltage dis...

Claims

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Application Information

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IPC IPC(8): G01R31/08G01R19/25G01R22/10G01R22/06G01R21/133G01R21/00G05B19/042
CPCG01R19/2509G01R21/002G01R21/003G01R21/1331G01R22/063G01R22/10G01R31/085G05B19/042G05B2219/25176
Inventor 林永清
Owner 江苏和网源电气有限公司
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