Split type software anti-tripping multifunctional microcomputer comprehensive protection device
A comprehensive protection device and multi-functional technology, which is applied in the field of multi-functional microcomputer comprehensive protection devices, can solve problems such as heavy workload and troublesome operation process, and achieve the effects of saving consumption, improving accuracy and improving production efficiency
Pending Publication Date: 2022-04-15
万洲电气股份有限公司
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The operation process is cumbersome and the workload is not small
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[0026] 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. The specific embodiments described here are only used to explain the present invention, not to limit 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.
[0027] The invention provides a multifunctional microcomputer comprehensive protection device for split software anti-jumping, which includes a host computer and an operation display device, the host computer and the operation display device are connected through a network cable, and the host computer includes a signal acquisition module, ...
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The invention discloses a split type software anti-tripping multifunctional microcomputer comprehensive protection device, which is characterized in that the protection device is arranged in a split manner through the cooperation of a host and an operation display device, the host and the operation display device are connected through a network cable, and the comprehensive operation of a single-chip microcomputer system replaces the independent operation of the original two single-chip microcomputer systems. Peripheral circuits such as a clock, a crystal oscillator, a liquid crystal, a power supply and communication are shared, and multiplexing of external signals and fusion of internal functions are achieved. According to the utility model, the circuit breaker state signal and the current and voltage values are sampled once, and correlation calculation is performed once, so that the circuit breaker can be used for protection and display, all transmission data can be transmitted only through one communication interface, and the use amount of a single-chip microcomputer chip and basic circuit electronic components thereof is saved; data transmission of two previous interfaces is realized by using one communication interface, so that the use amount of communication chips is saved, and meanwhile, the complex structure of a communication network is simplified.
Description
technical field [0001] The invention belongs to the technical field of electric power system automation, and in particular relates to a split-type software anti-jump multifunctional microcomputer comprehensive protection device. Background technique [0002] The microcomputer integrated protection device replaces the traditional relay protection and is widely used in the power system. It is installed on the cabinet door of the complete set of switchgear, and is used for the measurement of the operating parameters of the power equipment, remote start and stop control, and fault shutdown protection. The microcomputer integrated protection device uses LCD display to display relevant data such as current, voltage, power, and electricity, and uses LED indicator lights to display the working status of the device. Due to cost and volume control, the area of the LCD screen used is small, and the text is displayed, even if the graphic is used at a long distance, it cannot be seen c...
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IPC IPC(8): G06F1/18
Inventor 罗亚斌赵世运张翼路宁
Owner 万洲电气股份有限公司