System capable of monitoring and protecting power supply

A technology of power monitoring and power supply, applied in general control systems, control/regulation systems, program control, etc., can solve problems such as unfavorable power supply self-recovery, complicated circuit design, limited precision of protection points, etc., to achieve convenient and simple function upgrades and implementation Intelligent monitoring to meet the effect of power protection

Inactive Publication Date: 2013-04-03
SICHUAN JIUZHOU ELECTRIC GROUP
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Problems solved by technology

[0002] In the prior art, the protection of switching power supply for input and output overvoltage and undervoltage is based on the parameters of the switch chip, and analog sampling is used, so it is impossible to quantify the protection point accurately. The protection control range is too large, about 10%; when the protection is required When the precision is higher, comprehensive methods such as circuit redundancy, selection of high-precision devices, and multi-point sampling are generally used to realize the precise protection function of the input and output overvoltage and undervoltage of the switching power supply, but the circuit design of the above methods is complicated, and the accuracy of the protection point is limited , approximately 5%
[0003] For the protection of switching power supply outpu

Method used

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  • System capable of monitoring and protecting power supply
  • System capable of monitoring and protecting power supply
  • System capable of monitoring and protecting power supply

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[0042] For example, certain words are used in the description and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in functions of components as a criterion. If the "include" mentioned in the entire specification and claims is an open term, it should be interpreted as "include but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range, and basically achieve the technical effect. In addition, the term "coupled" herein includes any direct and indirect electrical coupling means. Therefore, if it is described that a first device is coupled to a second device, it means that the first device can be directly electrically coupled to the second d...

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Abstract

The invention discloses a system capable of monitoring and protecting a power supply. The system is used on the power supply and comprises a detection module, a temperature sampling chip module, a signal integration control module and a control terminal module, wherein the detection module is coupled with the signal integration control module and the power supply, the temperature sampling chip module is coupled with the signal integration control module, the signal integration control module is coupled with the detection module, the temperature sampling chip module, the control terminal module and the power supply, and the control terminal module is coupled with the signal integration control module. The system solves the problem of accurate overvoltage, undervoltage, overcurrent and over-temperature protection of a power supply system and intelligent monitoring of the power supply system.

Description

technical field [0001] The invention relates to the field of power supply protection and monitoring, in particular to a system capable of realizing power supply monitoring and protection. Background technique [0002] In the prior art, the protection of switching power supply for input and output overvoltage and undervoltage is based on the parameters of the switch chip, and analog sampling is used, so it is impossible to quantify the protection point accurately. The protection control range is too large, about 10%; when the protection is required When the precision is higher, comprehensive methods such as circuit redundancy, selection of high-precision devices, and multi-point sampling are generally used to realize the precise protection function of the input and output overvoltage and undervoltage of the switching power supply, but the circuit design of the above methods is complicated, and the accuracy of the protection point is limited , about 5%. [0003] For the prote...

Claims

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Application Information

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IPC IPC(8): G05B19/048
Inventor 龚雪东
Owner SICHUAN JIUZHOU ELECTRIC GROUP
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