Wired distributing error proof locking system of microcomputer
A fault-proof locking and distributed technology, applied in non-mechanical transmission-operated locks, building locks, and comprehensive factory control, etc., can solve the problems of user burden, heavy load on locking operation, fault-proof function and scope limitation, etc. Improve real-time effect
Inactive Publication Date: 2006-09-20
CYG CONTRON
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Problems solved by technology
The advantages of this microcomputer anti-misoperation locking system are: convenient operation, simple maintenance, reliable performance, and relatively low cost, but because its main component - the computer key, cannot exchange data (status) with field devices and other parts of the system in real time , so that its anti-mistake function and scope are greatly limited, and it cannot meet the anti-mistake needs of accident situations and maintenance pre-tests, so emergency unlocking without any anti-mistake function has to be used as a last resort, which brings great hidden dangers to the safe operation of electric power
In the normal operation process, it must rely on artificial state checks, which not only brings an excessive burden to the users, but also has a great impact on the reliability of its locking due to the influence of subjective factors, and also because the data cannot be exchanged in real time. , which brings a heavy burden to the locking operation of large substations (booster stations), and cannot realize the parallel operation of multiple groups of the same task. It takes too much operating time for complex operations, which makes the operating efficiency lower and the power outage time longer, thus The application of microcomputer locking is subject to certain restrictions
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[0011] see figure 1 , a wired distributed anti-misoperation locking system, which includes a five-proof host and multiple locks. In addition, the locking system also includes a CAN bus adapter, a communication medium, a switch and lock unit controller, multiple repeaters, and multiple electromagnetic locks. Lock unit controller, the lock is an electromagnetic lock, each electromagnetic lock unit controller can be connected to 8 electromagnetic locks, the electromagnetic lock unit controller is connected to the CAN bus adapter through the communication medium, the switch and lock unit controller can collect each auxiliary node It is connected to the CAN bus adapter through the communication medium and can feed back the status information of each auxiliary node to the CAN bus adapter; each repeater can be connected to at least one switch and lock unit controller or electromagnetic lock unit controller or other repeaters ; The CAN bus adapter is connected with the five-defense ho...
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The invention is especially related to guiding against error operation of microcomputer applicable to preventing error operation to plant and station for power distribution and delivery. Wired distributed type system for guiding against error closedown includes host for guiding against five operations, and at least one lock. Characters are that lock system also includes adapter of CAN bus, communication medium, and at least one controller of electromagnetic lock unit. The controller can connect to at least one lock. Through medium, the controller can be connected to the adapter of CAN bus. The adapter is connected to the said host. Using technique of CAN bus; the invention is applicable to transformer substation to implement unlocking and licking operations automatically for monitoring and controlling error operation of equipment. Each numeral lock for locking device is merged into CAN bus so as to raise real time and reliability of current system.
Description
technical field [0001] The invention relates to the technical field of anti-misoperation locking of power systems, in particular to a microcomputer anti-misoperation locking system used in power plants or distribution power stations such as power stations to prevent misoperations. Background technique [0002] At present, the microcomputer anti-misoperation locking system is widely used in distribution power stations such as power plants or power stations, and its development is relatively rapid. Although the products of each manufacturer have their own characteristics, the basic principles and technical means adopted are roughly the same. Screen, industrial computer, computer key and various locks (digital locks). By simulating trial operation on the intelligent simulation screen, each step of operation is judged by the logic rules and states pre-stored in the industrial computer, and the operation steps are input into the computer key through serial interface communication...
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Login to View More IPC IPC(8): H01H9/20G05B19/418E05B47/00
CPCY02P90/02
Inventor 吕茅利邓飞陈永金陈家贤
Owner CYG CONTRON