CN104348132A - External power supply interlocking controller of reactor protection system - Google Patents
External power supply interlocking controller of reactor protection system Download PDFInfo
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- CN104348132A CN104348132A CN201310346780.0A CN201310346780A CN104348132A CN 104348132 A CN104348132 A CN 104348132A CN 201310346780 A CN201310346780 A CN 201310346780A CN 104348132 A CN104348132 A CN 104348132A
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Abstract
The invention belongs to the technical field of protection of reactors, particularly relates to an external power supply interlocking controller of a reactor protection system, and aims to provide a device which can solve the false operation problem of equipment, caused by power failure of an existing reactor protection system. The device comprises a logic cabinet interlocking module, a signal cabinet interlocking module and an output cabinet interlocking module, wherein the logic cabinet interlocking module is mounted in a logic cabinet and is used for preventing the logic cabinet from the power failure and supplying power according to a specific sequence; the signal cabinet interlocking module is mounted in a signal cabinet and is used for preventing the signal cabinet from the power failure and supplying the power according to a specific sequence; the output cabinet interlocking module is mounted in an output cabinet and is used for preventing the output cabinet from the power failure and supplying the power according to a specific sequence. According to the external power supply interlocking controller of the reactor protection system, the logic cabinet interlocking module, the signal cabinet interlocking module and the output cabinet interlocking module are arranged, so that the false operation problem of the equipment, caused by the power failure of the existing reactor protection system can be effectively prevented. Meanwhile, the logic cabinet is prevented from the power failure under a power supplying state of the output cabinet, and an output cabinet power supply can be automatically switched off when the logic cabinet has the power failure.
Description
Technical field
The invention belongs to reactor protection technical field, be specifically related to a kind of reactor protection system external power source interlocking controller.
Background technology
Reactor protection system (being called for short RPR) comprises scram system, engineered safety system and ATWT system, is made up of, for generation of guard signal electric device, mechanical devices and circuit.Its function is: under reactor unusual service condition or accident conditions; by shutdown and (or) startup engineered safeguards features; to prevent or to alleviate the damage of reactor core and coolant system parts; protect the integrality of three macronucleus safety curtains; avoid causing radioactive substance to overflow in a large number, the safety of the not contaminated and personnel of protection nuclear power plant surrounding environment.
The logical process part of certain reactor protection system adopts fail-safe negative logic to design, and namely sends shutdown/ad hoc enabling signal to output counter during logical signal dead electricity.Although this design is conducive to the fail safe improving reactor shut-off system; but too increase the malfunction probability of engineered safety system simultaneously; as when RPR system upstream bus dead electricity or other reasons cause logic cabinet dead electricity, reactor protection system error starting engineered safeguards features can be caused, cause serious consequence.Such as, in above-mentioned reactor protection system, as shown in Figure 1, in figure, RPR logic cabinet is made up of cmos circuit engineered safety system typical logic figure, and adopt negative logic design, RPR logic cabinet is once dead electricity, and system is with regard to misoperation.Such as, after 220VAC uninterrupted power supply dead electricity, because of the power supply module of different rack and the capacitor discharge time of logic/output fastener inconsistent, cause logic cabinet prior to output counter dead electricity, before output counter completely loses power supply, latching relay (RS) action in rack also keeps, output signal realistic operation.At present, the report about the device solved the problem not yet is had.
Summary of the invention
The object of this invention is to provide and a kind ofly can solve existing reactor protection system dead electricity and cause equipment malfunction to make the reactor protection system external power source interlocking controller of problem.
The present invention is achieved in that
A kind of reactor protection system external power source interlocking controller, comprise logic cabinet interlock assembly, signal cabinet interlock assembly and output counter interlock assembly, logic cabinet interlock assembly is arranged in logic cabinet, prevents logic cabinet dead electricity, and powers according to particular order; Signal cabinet interlock assembly is arranged in signal cabinet, anti-stop signal cabinet dead electricity, and powers according to particular order; Output counter interlock assembly is arranged in output counter, prevents output counter dead electricity, and powers according to particular order.
Above-mentioned particular order as above refers to: the order of logically cabinet-signal cabinet-output counter is powered, and has a power failure according to the order of output counter-signal cabinet-logic cabinet;
Logic cabinet interlock assembly as above comprises logic cabinet 1 interlock assembly and logic cabinet 2 interlock assembly, logic cabinet 1 interlock assembly comprises logic cabinet 1 power contactor, the first electric switch, stops power-cutting switch, the first power transmission button and the first power failure button, and logic cabinet 2 interlock assembly comprises logic cabinet 2 power contactor, the second electric switch, stops power-cutting switch, the second power transmission button and the second power failure button; Signal cabinet interlock assembly comprises signal cabinet 1 interlock assembly and signal cabinet 2 interlock assembly, signal cabinet 1 interlock assembly comprises signal cabinet 1 power contactor, the 3rd electric switch, the 3rd power transmission button and the 3rd power failure button, and signal cabinet 2 interlock assembly comprises signal cabinet 2 power contactor, the 4th electric switch, the 4th power transmission button and the 4th power failure button; Output counter interlock assembly comprises output counter 1 interlock assembly and output counter 2 interlock assembly, output counter 1 interlock assembly comprises output counter 1 power contactor, the 5th electric switch, the 5th power transmission button and the 5th power failure button, and output counter 2 interlock assembly comprises output counter 2 power contactor, the 6th electric switch, the 6th power transmission button and the 6th power failure button.
One end of first electric switch described above is connected in 220VAC stabilized voltage power supply, and one end is connected with the one end of stopping power-cutting switch first width normally opened contact with one end of the first power failure button respectively in addition; The other end of the first power failure button is connected with one end of the first width contact of logic cabinet 1 power contactor; The two ends of the first power failure button are also connected with the 4th auxiliary contact of signal cabinet 1 power contactor, the 4th auxiliary contact of signal cabinet 2 power contactor, the 4th auxiliary contact of output counter 1 power contactor, the 4th auxiliary contact two ends of output counter 2 power contactor respectively; The other end of the first width contact of logic cabinet 1 power contactor is connected with one end of one end of the second width contact of logic cabinet 1 power contactor, the 3rd width contact of logic cabinet 1 power contactor, one end of the first power transmission button, the coil of logic cabinet 1 power contactor respectively; The other end of the second width contact of logic cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of first in logic cabinet 1, and the other end of the 3rd width contact of logic cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of second in logic cabinet 1; The other end of the first power transmission button is connected with the other end stopping power-cutting switch first width normally opened contact;
One end of second electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with the one end of stopping power-cutting switch second width normally opened contact with one end of the second power failure button respectively in addition; The other end of the second power failure button is connected with one end of the first width contact of logic cabinet 2 power contactor; The two ends of the second power failure button are also connected with the 5th auxiliary contact of signal cabinet 1 power contactor, the 5th auxiliary contact of signal cabinet 2 power contactor, the 5th auxiliary contact of output counter 1 power contactor, the 5th auxiliary contact two ends of output counter 2 power contactor respectively; The other end of the first width contact of logic cabinet 2 power contactor is connected with one end of one end of the second width contact of logic cabinet 2 power contactor, the 3rd width contact of logic cabinet 2 power contactor, one end of the second power transmission button, the coil of logic cabinet 2 power contactor respectively; The other end of the second width contact of logic cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of first in logic cabinet 2, and the other end of the 3rd width contact of logic cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of second in logic cabinet 2; The other end of the second power transmission button is connected with the other end stopping power-cutting switch second width normally opened contact;
One end of 3rd electric switch as above is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of the 3rd power failure button and one end of the 3rd power transmission button respectively in addition; The other end of the 3rd power failure button is connected with one end of the first width contact of signal cabinet 1 power contactor; The two ends of the 3rd power failure button are also connected with the two ends of the 6th auxiliary contact of output counter 1 power contactor, the 6th auxiliary contact of output counter 2 power contactor respectively; The other end of the first width contact of signal cabinet 1 power contactor is connected with one end of the second width contact of signal cabinet 1 power contactor, one end of the 3rd width contact of signal cabinet 1 power contactor, one end of the 4th auxiliary contact of logic cabinet 2 power contactor, the coil of signal cabinet 1 power contactor respectively; The other end of the 4th auxiliary contact of logic cabinet 2 power contactor is connected with one end of the 4th auxiliary contact of logic cabinet 1 power contactor; The other end of the 4th auxiliary contact of logic cabinet 1 power contactor is connected with the other end of the 3rd power transmission button; The other end of the second width contact of signal cabinet 1 power contactor is connected with the input of the 24V constant voltage dc source of two in signal cabinet 1 simultaneously, and the other end of the 3rd width contact of signal cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of two in signal cabinet 1 simultaneously;
One end of 4th electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of the 4th power failure button and one end of the 4th power transmission button respectively in addition; The other end of the 4th power failure button is connected with one end of the first width contact of signal cabinet 2 power contactor; The two ends of the 4th power failure button are also connected with the two ends of the 7th auxiliary contact of output counter 1 power contactor, the 7th auxiliary contact of output counter 2 power contactor respectively; The other end of the first width contact of signal cabinet 2 power contactor is connected with one end of the second width contact of signal cabinet 2 power contactor, one end of the 3rd width contact of signal cabinet 2 power contactor, one end of the 5th auxiliary contact of logic cabinet 2 power contactor, the coil of signal cabinet 2 power contactor respectively; The other end of the 5th auxiliary contact of logic cabinet 2 power contactor is connected with one end of the 5th auxiliary contact of logic cabinet 1 power contactor; The other end of the 5th auxiliary contact of logic cabinet 1 power contactor is connected with the other end of the 4th power transmission button; The other end of the second width contact of signal cabinet 2 power contactor is connected with the input of the 24V constant voltage dc source of two in signal cabinet 2 simultaneously, and the other end of the 3rd width contact of signal cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of two in signal cabinet 2 simultaneously.
One end of 5th electric switch as above is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of one end of the 5th power failure button, the 5th power transmission button, the one end of stopping power-cutting switch first normally closed electric shock respectively in addition; The other end of the 5th power failure button respectively with stop the other end of power-cutting switch first normally closed electric shock, one end of logic cabinet 1 power contactor the 8th auxiliary contact, one end of logic cabinet 2 power contactor the 8th auxiliary contact be connected; The other end of logic cabinet 1 power contactor the 8th auxiliary contact, the other end of logic cabinet 2 power contactor the 8th auxiliary contact are all connected with one end of the first width contact of output counter 1 power contactor; The other end of the first width contact of output counter 1 power contactor is connected with one end of the second width contact of output counter 1 power contactor, one end of the 3rd width contact of output counter 1 power contactor, one end of the 6th auxiliary contact of signal cabinet 2 power contactor, the coil of output counter 1 power contactor respectively; The other end of the second width contact of output counter 1 power contactor is connected with the input of the 24V constant voltage dc source in output counter 1, and the other end of the 3rd width contact of output counter 1 power contactor is connected with the input of another 24V constant voltage dc source in output counter 1; The other end of the 6th auxiliary contact of signal cabinet 2 power contactor is connected with one end of the 6th auxiliary contact of signal cabinet 1 power contactor; The other end of the 6th auxiliary contact of signal cabinet 1 power contactor is connected with one end of the 6th auxiliary contact of logic cabinet 2 power contactor; The other end of the 6th auxiliary contact of logic cabinet 2 power contactor is connected with the other end of the 5th power transmission button;
One end of 6th electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of one end of the 6th power failure button, the 6th power transmission button, the one end of stopping power-cutting switch second normally closed electric shock respectively in addition; The other end of the 6th power failure button respectively with stop the other end of power-cutting switch second normally closed electric shock, one end of logic cabinet 1 power contactor the 9th auxiliary contact, one end of logic cabinet 2 power contactor the 9th auxiliary contact be connected; The other end of logic cabinet 1 power contactor the 9th auxiliary contact, the other end of logic cabinet 2 power contactor the 9th auxiliary contact are all connected with one end of the first width contact of output counter 1 power contactor; The other end of the first width contact of output counter 2 power contactor is connected with one end of the second width contact of output counter 2 power contactor, one end of the 3rd width contact of output counter 2 power contactor, one end of the 7th auxiliary contact of signal cabinet 2 power contactor, the coil of output counter 2 power contactor respectively; The other end of the second width contact of output counter 2 power contactor is connected with the input of the 24V constant voltage dc source in output counter 2, and the other end of the 3rd width contact of output counter 2 power contactor is connected with the input of another 24V constant voltage dc source in output counter 2; The other end of the 7th auxiliary contact of signal cabinet 2 power contactor is connected with one end of the 7th auxiliary contact of signal cabinet 1 power contactor; The other end of the 7th auxiliary contact of signal cabinet 1 power contactor is connected with one end of the 7th auxiliary contact of logic cabinet 2 power contactor; The other end of the 7th auxiliary contact of logic cabinet 2 power contactor is connected with the other end of the 6th power transmission button.
The earth terminal of logic cabinet 1 power contactor as above, logic cabinet 2 power contactor, signal cabinet 1 power contactor, signal cabinet 2 power contactor, output counter 1 power contactor and output counter 2 power contactor altogether.
The invention has the beneficial effects as follows:
The present invention adopts logic cabinet interlock assembly, signal cabinet interlock assembly and output counter interlock assembly, can effectively prevent reactor protection system dead electricity from causing equipment malfunction to make problem.Under avoiding the state of powering at output counter, logic cabinet has a power failure simultaneously.Logic cabinet can cut off output counter power supply when having a power failure automatically.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the logical process part of certain reactor protection system;
Fig. 2 is the structure principle chart of a kind of reactor protection system external power source interlocking controller of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of reactor protection system external power source interlocking controller of the present invention is described in detail:
As shown in Figure 2, a kind of reactor protection system external power source interlocking controller, comprises logic cabinet interlock assembly, signal cabinet interlock assembly and output counter interlock assembly.Logic cabinet interlock assembly is arranged in logic cabinet, prevents logic cabinet dead electricity, and powers according to particular order.Signal cabinet interlock assembly is arranged in signal cabinet, anti-stop signal cabinet dead electricity, and powers according to particular order.Output counter interlock assembly is arranged in output counter, prevents output counter dead electricity, and powers according to particular order.Above-mentioned particular order refers to: the order of logically cabinet-signal cabinet-output counter is powered, and has a power failure according to the order of output counter-signal cabinet-logic cabinet.
Stop power-cutting switch with key, do not have key just cannot have a power failure to reactor protection system and power transmission operation, stopping power-cutting switch has three positions, and interposition is normal operation position (P1), turning right 90 ° for allowing power transmission operating position (P3), comprising two width normally opened contacts; Turning left 90 ° for allowing power failure operation position (P5), comprising two width normally-closed contacts.
Logic cabinet interlock assembly comprises logic cabinet 1 interlock assembly and logic cabinet 2 interlock assembly.Logic cabinet 1 interlock assembly comprises logic cabinet 1 power contactor, the first electric switch, stops power-cutting switch, the first power transmission button and the first power failure button.One end of first electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with the one end of stopping power-cutting switch first width normally opened contact with one end of the first power failure button respectively in addition.The other end of the first power failure button is connected with one end of the first width contact of logic cabinet 1 power contactor.The two ends of the first power failure button are also connected with the 4th auxiliary contact of signal cabinet 1 power contactor, the 4th auxiliary contact of signal cabinet 2 power contactor, the 4th auxiliary contact of output counter 1 power contactor, the 4th auxiliary contact two ends of output counter 2 power contactor respectively.The other end of the first width contact of logic cabinet 1 power contactor is connected with one end of one end of the second width contact of logic cabinet 1 power contactor, the 3rd width contact of logic cabinet 1 power contactor, one end of the first power transmission button, the coil of logic cabinet 1 power contactor respectively.The other end of the second width contact of logic cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of first in logic cabinet 1, and the other end of the 3rd width contact of logic cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of second in logic cabinet 1.The other end of the first power transmission button is connected with the other end stopping power-cutting switch first width normally opened contact.
Logic cabinet 2 interlock assembly comprises logic cabinet 2 power contactor, the second electric switch, stops power-cutting switch, the second power transmission button and the second power failure button.One end of second electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with the one end of stopping power-cutting switch second width normally opened contact with one end of the second power failure button respectively in addition.The other end of the second power failure button is connected with one end of the first width contact of logic cabinet 2 power contactor.The two ends of the second power failure button are also connected with the 5th auxiliary contact of signal cabinet 1 power contactor, the 5th auxiliary contact of signal cabinet 2 power contactor, the 5th auxiliary contact of output counter 1 power contactor, the 5th auxiliary contact two ends of output counter 2 power contactor respectively.The other end of the first width contact of logic cabinet 2 power contactor is connected with one end of one end of the second width contact of logic cabinet 2 power contactor, the 3rd width contact of logic cabinet 2 power contactor, one end of the second power transmission button, the coil of logic cabinet 2 power contactor respectively.The other end of the second width contact of logic cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of first in logic cabinet 2, and the other end of the 3rd width contact of logic cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of second in logic cabinet 2.The other end of the second power transmission button is connected with the other end stopping power-cutting switch second width normally opened contact.
Signal cabinet interlock assembly comprises signal cabinet 1 interlock assembly and signal cabinet 2 interlock assembly.Signal cabinet 1 interlock assembly comprises signal cabinet 1 power contactor, the 3rd electric switch, the 3rd power transmission button and the 3rd power failure button.One end of 3rd electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of the 3rd power failure button and one end of the 3rd power transmission button respectively in addition.The other end of the 3rd power failure button is connected with one end of the first width contact of signal cabinet 1 power contactor.The two ends of the 3rd power failure button are also connected with the two ends of the 6th auxiliary contact of output counter 1 power contactor, the 6th auxiliary contact of output counter 2 power contactor respectively.The other end of the first width contact of signal cabinet 1 power contactor is connected with one end of the second width contact of signal cabinet 1 power contactor, one end of the 3rd width contact of signal cabinet 1 power contactor, one end of the 4th auxiliary contact of logic cabinet 2 power contactor, the coil of signal cabinet 1 power contactor respectively.The other end of the 4th auxiliary contact of logic cabinet 2 power contactor is connected with one end of the 4th auxiliary contact of logic cabinet 1 power contactor.The other end of the 4th auxiliary contact of logic cabinet 1 power contactor is connected with the other end of the 3rd power transmission button.The other end of the second width contact of signal cabinet 1 power contactor is connected with the input of the 24V constant voltage dc source of two in signal cabinet 1 simultaneously, and the other end of the 3rd width contact of signal cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of two in signal cabinet 1 simultaneously.
Signal cabinet 2 interlock assembly comprises signal cabinet 2 power contactor, the 4th electric switch, the 4th power transmission button and the 4th power failure button.One end of 4th electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of the 4th power failure button and one end of the 4th power transmission button respectively in addition.The other end of the 4th power failure button is connected with one end of the first width contact of signal cabinet 2 power contactor.The two ends of the 4th power failure button are also connected with the two ends of the 7th auxiliary contact of output counter 1 power contactor, the 7th auxiliary contact of output counter 2 power contactor respectively.The other end of the first width contact of signal cabinet 2 power contactor is connected with one end of the second width contact of signal cabinet 2 power contactor, one end of the 3rd width contact of signal cabinet 2 power contactor, one end of the 5th auxiliary contact of logic cabinet 2 power contactor, the coil of signal cabinet 2 power contactor respectively.The other end of the 5th auxiliary contact of logic cabinet 2 power contactor is connected with one end of the 5th auxiliary contact of logic cabinet 1 power contactor.The other end of the 5th auxiliary contact of logic cabinet 1 power contactor is connected with the other end of the 4th power transmission button.The other end of the second width contact of signal cabinet 2 power contactor is connected with the input of the 24V constant voltage dc source of two in signal cabinet 2 simultaneously, and the other end of the 3rd width contact of signal cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of two in signal cabinet 2 simultaneously.
Output counter interlock assembly comprises output counter 1 interlock assembly and output counter 2 interlock assembly.Output counter 1 interlock assembly comprises output counter 1 power contactor, the 5th electric switch, the 5th power transmission button and the 5th power failure button.One end of 5th electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of one end of the 5th power failure button, the 5th power transmission button, the one end of stopping power-cutting switch first normally closed electric shock respectively in addition.The other end of the 5th power failure button respectively with stop the other end of power-cutting switch first normally closed electric shock, one end of logic cabinet 1 power contactor the 8th auxiliary contact, one end of logic cabinet 2 power contactor the 8th auxiliary contact be connected.The other end of logic cabinet 1 power contactor the 8th auxiliary contact, the other end of logic cabinet 2 power contactor the 8th auxiliary contact are all connected with one end of the first width contact of output counter 1 power contactor.The other end of the first width contact of output counter 1 power contactor is connected with one end of the second width contact of output counter 1 power contactor, one end of the 3rd width contact of output counter 1 power contactor, one end of the 6th auxiliary contact of signal cabinet 2 power contactor, the coil of output counter 1 power contactor respectively.The other end of the second width contact of output counter 1 power contactor is connected with the input of the 24V constant voltage dc source in output counter 1, and the other end of the 3rd width contact of output counter 1 power contactor is connected with the input of another 24V constant voltage dc source in output counter 1.The other end of the 6th auxiliary contact of signal cabinet 2 power contactor is connected with one end of the 6th auxiliary contact of signal cabinet 1 power contactor.The other end of the 6th auxiliary contact of signal cabinet 1 power contactor is connected with one end of the 6th auxiliary contact of logic cabinet 2 power contactor.The other end of the 6th auxiliary contact of logic cabinet 2 power contactor is connected with the other end of the 5th power transmission button.
Output counter 2 interlock assembly comprises output counter 2 power contactor, the 6th electric switch, the 6th power transmission button and the 6th power failure button.One end of 6th electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of one end of the 6th power failure button, the 6th power transmission button, the one end of stopping power-cutting switch second normally closed electric shock respectively in addition.The other end of the 6th power failure button respectively with stop the other end of power-cutting switch second normally closed electric shock, one end of logic cabinet 1 power contactor the 9th auxiliary contact, one end of logic cabinet 2 power contactor the 9th auxiliary contact be connected.The other end of logic cabinet 1 power contactor the 9th auxiliary contact, the other end of logic cabinet 2 power contactor the 9th auxiliary contact are all connected with one end of the first width contact of output counter 1 power contactor.The other end of the first width contact of output counter 2 power contactor is connected with one end of the second width contact of output counter 2 power contactor, one end of the 3rd width contact of output counter 2 power contactor, one end of the 7th auxiliary contact of signal cabinet 2 power contactor, the coil of output counter 2 power contactor respectively.The other end of the second width contact of output counter 2 power contactor is connected with the input of the 24V constant voltage dc source in output counter 2, and the other end of the 3rd width contact of output counter 2 power contactor is connected with the input of another 24V constant voltage dc source in output counter 2.The other end of the 7th auxiliary contact of signal cabinet 2 power contactor is connected with one end of the 7th auxiliary contact of signal cabinet 1 power contactor.The other end of the 7th auxiliary contact of signal cabinet 1 power contactor is connected with one end of the 7th auxiliary contact of logic cabinet 2 power contactor.The other end of the 7th auxiliary contact of logic cabinet 2 power contactor is connected with the other end of the 6th power transmission button.
The earth terminal of above-mentioned power contactor (logic cabinet power contactor, signal cabinet power contactor, out-put supply contactor) altogether.
Power contactor (logic cabinet power contactor, signal cabinet power contactor, out-put supply contactor), electric switch, stop power-cutting switch, power transmission button and power failure button and all can adopt existing techniques in realizing.Generally, power contactor comprises 5 auxiliary contacts, can increase number of contacts as required, and such as, in the present embodiment, logic cabinet power contactor increases 4 contacts, totally 9 auxiliary contacts newly.
During work, under initial condition, stop power-cutting switch and be placed in normal position (P1).All electric switches all close, and all power failure buttons and power transmission button are in initial condition, and namely power failure button is in normally off, power transmission button is in normally open, and above-mentioned power failure button and power transmission button do not have self-retaining function.
Operate power failure button in a kind of reactor protection system external power source interlocking controller of the present invention or power transmission button all invalid.
When needing power transmission, key is inserted and stops power-cutting switch and be placed in power transmission position (P3).
The logically operation in tandem power transmission button of cabinet 1, logic cabinet 2, signal cabinet 1, signal cabinet 2, output counter 1, output counter 2, for reactor protection system is powered.Except this order, carry out any operation and all cannot power for reactor protection system.Power-cutting switch will be stopped after reactor protection system power transmission terminates be placed in normal position (P1) and extract key.
When needing to have a power failure, key is inserted and stops power-cutting switch and be placed in power failure position (P5).
According to the operation in tandem power failure button of output counter 1, output counter 2, signal cabinet 1, signal cabinet 2, logic cabinet 1, logic cabinet 2, for reactor protection system has a power failure.Except this order, carry out any operation and all cannot have a power failure for reactor protection system.Power-cutting switch will be stopped after reactor protection system power failure terminates be placed in normal position (P1) and extract key.
When any one output counter is in running order, logic cabinet will be in power supply state all the time, cannot have a power failure.
During reactor protection system state out of service; due to output counter power contactor live line work; output counter power contactor contact in logic cabinet interlock assembly is in closure state all the time, and logic cabinet 12V constant voltage dc source is connected with 220VAC all the time, and logic cabinet is in power supply state all the time.
When reactor protection system is run, if logic cabinet has a power failure, the contact of the logic cabinet power contactor in output counter power interlock assembly disconnects automatically, cuts off the power supply of output counter 24V constant voltage dc source.
The present invention adopts logic cabinet interlock assembly, signal cabinet interlock assembly and output counter interlock assembly, can effectively prevent reactor protection system dead electricity from causing equipment malfunction to make problem.Under avoiding the state of powering at output counter, logic cabinet has a power failure simultaneously.Logic cabinet can cut off output counter power supply when having a power failure automatically.
Claims (7)
1. a reactor protection system external power source interlocking controller, comprise logic cabinet interlock assembly, signal cabinet interlock assembly and output counter interlock assembly, logic cabinet interlock assembly is arranged in logic cabinet, prevents logic cabinet dead electricity, and powers according to particular order; Signal cabinet interlock assembly is arranged in signal cabinet, anti-stop signal cabinet dead electricity, and powers according to particular order; Output counter interlock assembly is arranged in output counter, prevents output counter dead electricity, and powers according to particular order.
2. a kind of reactor protection system external power source interlocking controller according to claim 1; it is characterized in that: described above-mentioned particular order refers to: the order of logically cabinet-signal cabinet-output counter is powered, have a power failure according to the order of output counter-signal cabinet-logic cabinet.
3. a kind of reactor protection system external power source interlocking controller according to claim 1, it is characterized in that: described logic cabinet interlock assembly comprises logic cabinet 1 interlock assembly and logic cabinet 2 interlock assembly, logic cabinet 1 interlock assembly comprises logic cabinet 1 power contactor, the first electric switch, stops power-cutting switch, the first power transmission button and the first power failure button, and logic cabinet 2 interlock assembly comprises logic cabinet 2 power contactor, the second electric switch, stops power-cutting switch, the second power transmission button and the second power failure button; Signal cabinet interlock assembly comprises signal cabinet 1 interlock assembly and signal cabinet 2 interlock assembly, signal cabinet 1 interlock assembly comprises signal cabinet 1 power contactor, the 3rd electric switch, the 3rd power transmission button and the 3rd power failure button, and signal cabinet 2 interlock assembly comprises signal cabinet 2 power contactor, the 4th electric switch, the 4th power transmission button and the 4th power failure button; Output counter interlock assembly comprises output counter 1 interlock assembly and output counter 2 interlock assembly, output counter 1 interlock assembly comprises output counter 1 power contactor, the 5th electric switch, the 5th power transmission button and the 5th power failure button, and output counter 2 interlock assembly comprises output counter 2 power contactor, the 6th electric switch, the 6th power transmission button and the 6th power failure button.
4. a kind of reactor protection system external power source interlocking controller according to claim 3, it is characterized in that: one end of described first electric switch is connected in 220VAC stabilized voltage power supply, one end is connected with the one end of stopping power-cutting switch first width normally opened contact with one end of the first power failure button respectively in addition; The other end of the first power failure button is connected with one end of the first width contact of logic cabinet 1 power contactor; The two ends of the first power failure button are also connected with the 4th auxiliary contact of signal cabinet 1 power contactor, the 4th auxiliary contact of signal cabinet 2 power contactor, the 4th auxiliary contact of output counter 1 power contactor, the 4th auxiliary contact two ends of output counter 2 power contactor respectively; The other end of the first width contact of logic cabinet 1 power contactor is connected with one end of one end of the second width contact of logic cabinet 1 power contactor, the 3rd width contact of logic cabinet 1 power contactor, one end of the first power transmission button, the coil of logic cabinet 1 power contactor respectively; The other end of the second width contact of logic cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of first in logic cabinet 1, and the other end of the 3rd width contact of logic cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of second in logic cabinet 1; The other end of the first power transmission button is connected with the other end stopping power-cutting switch first width normally opened contact;
One end of second electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with the one end of stopping power-cutting switch second width normally opened contact with one end of the second power failure button respectively in addition; The other end of the second power failure button is connected with one end of the first width contact of logic cabinet 2 power contactor; The two ends of the second power failure button are also connected with the 5th auxiliary contact of signal cabinet 1 power contactor, the 5th auxiliary contact of signal cabinet 2 power contactor, the 5th auxiliary contact of output counter 1 power contactor, the 5th auxiliary contact two ends of output counter 2 power contactor respectively; The other end of the first width contact of logic cabinet 2 power contactor is connected with one end of one end of the second width contact of logic cabinet 2 power contactor, the 3rd width contact of logic cabinet 2 power contactor, one end of the second power transmission button, the coil of logic cabinet 2 power contactor respectively; The other end of the second width contact of logic cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of first in logic cabinet 2, and the other end of the 3rd width contact of logic cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of second in logic cabinet 2; The other end of the second power transmission button is connected with the other end stopping power-cutting switch second width normally opened contact.
5. a kind of reactor protection system external power source interlocking controller according to claim 3, it is characterized in that: one end of the 3rd described electric switch is connected in 220VAC stabilized voltage power supply, one end is connected with one end of the 3rd power failure button and one end of the 3rd power transmission button respectively in addition; The other end of the 3rd power failure button is connected with one end of the first width contact of signal cabinet 1 power contactor; The two ends of the 3rd power failure button are also connected with the two ends of the 6th auxiliary contact of output counter 1 power contactor, the 6th auxiliary contact of output counter 2 power contactor respectively; The other end of the first width contact of signal cabinet 1 power contactor is connected with one end of the second width contact of signal cabinet 1 power contactor, one end of the 3rd width contact of signal cabinet 1 power contactor, one end of the 4th auxiliary contact of logic cabinet 2 power contactor, the coil of signal cabinet 1 power contactor respectively; The other end of the 4th auxiliary contact of logic cabinet 2 power contactor is connected with one end of the 4th auxiliary contact of logic cabinet 1 power contactor; The other end of the 4th auxiliary contact of logic cabinet 1 power contactor is connected with the other end of the 3rd power transmission button; The other end of the second width contact of signal cabinet 1 power contactor is connected with the input of the 24V constant voltage dc source of two in signal cabinet 1 simultaneously, and the other end of the 3rd width contact of signal cabinet 1 power contactor is connected with the input of the 12V constant voltage dc source of two in signal cabinet 1 simultaneously;
One end of 4th electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of the 4th power failure button and one end of the 4th power transmission button respectively in addition; The other end of the 4th power failure button is connected with one end of the first width contact of signal cabinet 2 power contactor; The two ends of the 4th power failure button are also connected with the two ends of the 7th auxiliary contact of output counter 1 power contactor, the 7th auxiliary contact of output counter 2 power contactor respectively; The other end of the first width contact of signal cabinet 2 power contactor is connected with one end of the second width contact of signal cabinet 2 power contactor, one end of the 3rd width contact of signal cabinet 2 power contactor, one end of the 5th auxiliary contact of logic cabinet 2 power contactor, the coil of signal cabinet 2 power contactor respectively; The other end of the 5th auxiliary contact of logic cabinet 2 power contactor is connected with one end of the 5th auxiliary contact of logic cabinet 1 power contactor; The other end of the 5th auxiliary contact of logic cabinet 1 power contactor is connected with the other end of the 4th power transmission button; The other end of the second width contact of signal cabinet 2 power contactor is connected with the input of the 24V constant voltage dc source of two in signal cabinet 2 simultaneously, and the other end of the 3rd width contact of signal cabinet 2 power contactor is connected with the input of the 12V constant voltage dc source of two in signal cabinet 2 simultaneously.
6. a kind of reactor protection system external power source interlocking controller according to claim 3, it is characterized in that: one end of the 5th described electric switch is connected in 220VAC stabilized voltage power supply, one end is connected with one end of one end of the 5th power failure button, the 5th power transmission button, the one end of stopping power-cutting switch first normally closed electric shock respectively in addition; The other end of the 5th power failure button respectively with stop the other end of power-cutting switch first normally closed electric shock, one end of logic cabinet 1 power contactor the 8th auxiliary contact, one end of logic cabinet 2 power contactor the 8th auxiliary contact be connected; The other end of logic cabinet 1 power contactor the 8th auxiliary contact, the other end of logic cabinet 2 power contactor the 8th auxiliary contact are all connected with one end of the first width contact of output counter 1 power contactor; The other end of the first width contact of output counter 1 power contactor is connected with one end of the second width contact of output counter 1 power contactor, one end of the 3rd width contact of output counter 1 power contactor, one end of the 6th auxiliary contact of signal cabinet 2 power contactor, the coil of output counter 1 power contactor respectively; The other end of the second width contact of output counter 1 power contactor is connected with the input of the 24V constant voltage dc source in output counter 1, and the other end of the 3rd width contact of output counter 1 power contactor is connected with the input of another 24V constant voltage dc source in output counter 1; The other end of the 6th auxiliary contact of signal cabinet 2 power contactor is connected with one end of the 6th auxiliary contact of signal cabinet 1 power contactor; The other end of the 6th auxiliary contact of signal cabinet 1 power contactor is connected with one end of the 6th auxiliary contact of logic cabinet 2 power contactor; The other end of the 6th auxiliary contact of logic cabinet 2 power contactor is connected with the other end of the 5th power transmission button;
One end of 6th electric switch is connected in 220VAC stabilized voltage power supply, and one end is connected with one end of one end of the 6th power failure button, the 6th power transmission button, the one end of stopping power-cutting switch second normally closed electric shock respectively in addition; The other end of the 6th power failure button respectively with stop the other end of power-cutting switch second normally closed electric shock, one end of logic cabinet 1 power contactor the 9th auxiliary contact, one end of logic cabinet 2 power contactor the 9th auxiliary contact be connected; The other end of logic cabinet 1 power contactor the 9th auxiliary contact, the other end of logic cabinet 2 power contactor the 9th auxiliary contact are all connected with one end of the first width contact of output counter 1 power contactor; The other end of the first width contact of output counter 2 power contactor is connected with one end of the second width contact of output counter 2 power contactor, one end of the 3rd width contact of output counter 2 power contactor, one end of the 7th auxiliary contact of signal cabinet 2 power contactor, the coil of output counter 2 power contactor respectively; The other end of the second width contact of output counter 2 power contactor is connected with the input of the 24V constant voltage dc source in output counter 2, and the other end of the 3rd width contact of output counter 2 power contactor is connected with the input of another 24V constant voltage dc source in output counter 2; The other end of the 7th auxiliary contact of signal cabinet 2 power contactor is connected with one end of the 7th auxiliary contact of signal cabinet 1 power contactor; The other end of the 7th auxiliary contact of signal cabinet 1 power contactor is connected with one end of the 7th auxiliary contact of logic cabinet 2 power contactor; The other end of the 7th auxiliary contact of logic cabinet 2 power contactor is connected with the other end of the 6th power transmission button.
7. a kind of reactor protection system external power source interlocking controller according to claim 3, is characterized in that: the earth terminal of described logic cabinet 1 power contactor, logic cabinet 2 power contactor, signal cabinet 1 power contactor, signal cabinet 2 power contactor, output counter 1 power contactor and output counter 2 power contactor altogether.
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