Electrical blocking communication apparatus of high-voltage supply system
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A technology for electrical locking and power supply systems, applied to circuit devices, electrical components, etc., can solve problems such as electromagnetic compatibility of microcomputer systems, and achieve rapid and sensitive actions, avoid accidents, and be easy to operate
Inactive Publication Date: 2016-02-24
PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN
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[0007] However, the above scheme does not take into account the electromagnetic compatibility of the microcomputer system in the high-voltage relay protection and the anti-interference problem of the communication device while operating the anti-misoperation locking function, so it has great limitations in practical applications
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Embodiment 1
[0027] Such as figure 1As shown, an electrical blocking communication device for a high-voltage power supply system includes a blocking module, a power interface connected thereto, and a signal line interface 4. The signal line interface includes a bidirectional transmission channel 5, a power amplifier 6, a passive voltage amplifier 7 and a filter Unit 8 , the locking module includes the electrical locking unit 1 .
[0028] The electrical blocking unit includes an electromagnetic coil mechanism 9 and an auxiliary contact 10, and the auxiliary contact is connected in series with the monitoring equipment of the high-voltage power supply system.
[0029] The blocking module is provided with a ground terminal 13, and a surge protector 14 is connected between the power interface and the ground terminal.
[0030] A decoupling capacitor 15 is connected between the signal line interface and the ground terminal.
[0031] The power interface includes a bidirectional terminal block 3,...
Embodiment 2
[0040] Such as figure 2 As shown, an electrical blocking communication device for a high-voltage power supply system includes a blocking module, a power interface connected thereto, and a signal line interface 4. The signal line interface includes a bidirectional transmission channel 5, a power amplifier 6, a passive voltage amplifier 7 and a filter Unit 8 , the locking module includes the mechanical locking unit 2 .
[0041] The mechanical locking unit includes a limit switch 11 connected to an outdoor switch knife or a high-voltage switch cabinet, and the limit switch is provided with an alarm contact 12 .
[0042] The blocking module is provided with a ground terminal 13, and a surge protector 14 is connected between the power interface and the ground terminal.
[0043] A decoupling capacitor 15 is connected between the signal line interface and the ground terminal.
[0044] The power interface includes a bidirectional terminal block 3, and the bidirectional terminal blo...
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Abstract
The invention discloses an electrical blocking communication apparatus of a high-voltage supply system. The apparatus comprises a blocking module, a power supply interface, and a signal line interface, wherein the power supply interface and the signal line interface are connected with the blocking module. The signal line interface consists of a bidirectional transmission channel, a power amplifier, a passive voltage amplifier and a filter unit. The blocking module includes an electric blocking unit or a mechanical blocking unit. According to the invention, on the basis of comprehensive combination of various ways of filtering, isolation, grounding, and shielding and the like, the apparatus has advantages of reduced maintenance workload, high blocking reliability, good anti-error function, and simple and convenient usage and the like. With the apparatus, one part of work of the operating staff can be shared and the apparatus can serve as simulated operation equipment during training; forming of a high-speed heavy-current loop between a power line and a communication line can be effectively prevented; the anti-interference capability of the anti-error blocking device of the microcomputer system can be improved; the safety operation of the system can be guaranteed; and the apparatus plays an important role in guaranteeing safe and reliable operation of the high-voltage system, high quality and economy, and energy conservation and consumption reduction and the like.
Description
technical field [0001] The invention relates to the technical field of communication devices for high-voltage power supply systems, in particular to an electrical locking communication device for high-voltage power supply systems. Background technique [0002] Switching operation is a regular work in the operation of the power transformation and distribution system. If there is improper operation during the process, it will not only cause a power outage or damage the equipment, but also pose a threat to the life safety of the operator. Therefore, in the In electric power production, electrical operation error is one of the most serious accidents. Electrical operation errors include wrongly closing the grounding switch when it is live, entering the live interval by mistake, opening and closing the circuit breaker by mistake, opening and closing the isolating switch with load, closing the circuit breaker when the grounding switch is still in the closed position, etc., and are ...
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
Inventor 孙瑞华
Owner PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN
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