CN103779965B - Integrated high-voltage AC circuit-breaker controller - Google Patents
Integrated high-voltage AC circuit-breaker controller Download PDFInfo
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- CN103779965B CN103779965B CN201410013943.8A CN201410013943A CN103779965B CN 103779965 B CN103779965 B CN 103779965B CN 201410013943 A CN201410013943 A CN 201410013943A CN 103779965 B CN103779965 B CN 103779965B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
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Abstract
The invention discloses an integrated high-voltage AC circuit-breaker controller which includes a controller body, a proximitor and a stroke detection circuit. The controller body includes a first microprocessor circuit and a switching-closing control circuit. The controller body is connected with an external power supply of the controller, a power-distribution voltage inductor, a current inductor at a load end of a circuit breaker and a switching-closing operation assembly arranged in the circuit breaker through electrical connection wires. The controller body is connected with the proximitor through a communication channel. The stroke detection circuit is connected with the first microprocessor circuit. The first microprocessor circuit is connected with the switching-closing control circuit. The controller body is connected with the switching-closing operation assembly of the circuit breaker. The controller body sends out a switch-off instruction signal or a switch-on instruction signal so as to start the a switching-closing operation assembly to control switch-off operation or switch-on operation of the circuit breaker. The integrated high-voltage AC circuit-breaker controller is complete in function, high in electromagnetic-interference resistance and capable of reliable protection during a load short-circuit fault and precise control of the circuit breaker.
Description
Technical field
The present invention relates to technical field of electric power, be specially a kind of integrated high voltage AC circuit breaker controller.
Background technology
The domestic control unit being used as distribution or electric motor protecting in industry spot, substantially reaches international the nineties level, can process in real time various signal, realize multiple protective feature and numerous miscellaneous functions at present.Circuit breaker is one of protective device main in distribution system, is also the protective device that function is the most perfect.In recent years, the miniaturization of circuit breaker has become a kind of trend, but what is more important, in order to adapt to the growth requirement of intelligent grid, the intelligent level of circuit breaker is constantly upgraded.As the intelligent controller of circuit breaker brain, its function is more and more abundanter, becomes increasingly complex.Particularly defencive function, not only achieves traditional three section protection and earth fault protection, also achieves current imbalance protection, need use current protection, crosses the multi-protective function such as under voltage protection, reverse power protection, can meet the application of various occasion well.
Existing breaker controller major defect is that structural design is unreasonable, circuit design is also unreasonable, the integrated result of circuit breaker is undesirable, there is anti-strong electromagnetic ability, the big current produced when load end is short-circuited fault may make intelligent protection function lose efficacy and expand fault coverage; Function is incomplete, after being applied to circuit breaker, and the poor practicability of circuit breaker; Automatic control performance imperfection, accurately can not control the moving contact motion of circuit breaker, therefore can not realize electric current speed and cut phase selection separating brake and phase selection reclosing, cause electric current speed cutting lock, reclosing itself causes serious impact, harm to electrical network, load and equipment.
Therefore, market lacks a kind of multiple functional, anti-electromagnetic interference capability strong, the reliably protecting when there is load short circuits fault, and killer switch moving contact to be moved the integrated high voltage AC circuit breaker controller that can accurately control.
Summary of the invention
The object of this invention is to provide a kind of multiple functional, anti-electromagnetic interference capability strong, the reliably protecting when there is load short circuits fault, and killer switch moving contact to be moved the integrated high voltage AC circuit breaker controller that can accurately control.
For realizing above-mentioned technical purpose, technical scheme provided by the invention is: a kind of integrated high voltage AC circuit breaker controller, comprise controller main body, fore-lying device and stroke detection circuit, described controller main body comprises first microprocessor circuit and divide-shut brake control circuit;
Described controller main body is connected by the current transformer of the power supply of electric connection line and its outside, distribution voltage instrument transformer, circuit breaker load and the breaking-closing operating assembly be arranged in circuit breaker;
Described controller main body is connected with fore-lying device by communication port; Described stroke detection circuit is connected with first microprocessor circuit; Described first microprocessor circuit is connected with divide-shut brake control circuit; Described controller main body is connected with the breaking-closing operating assembly of circuit breaker;
Described controller main body sends separating brake command signal or reclosing command signal, starts sub-switching operation or closing operation that breaking-closing operating assembly controls circuit breaker;
Described controller main body also comprise three-phase alternating voltage phase detecting circuit, electric current pre-process circuit, electric current backup protection circuit, working power circuit, working power circuit for subsequent use and or door character circuit;
Described three-phase alternating voltage phase detecting circuit, electric current preprocessor circuit are connected with first microprocessor circuit by electric connection line respectively with electric current backup protection circuit;
Described electric current pre-process circuit is connected with described breaking-closing operating assembly by divide-shut brake control circuit via first microprocessor circuit;
Described electric current backup protection circuit is connected with described breaking-closing operating assembly by divide-shut brake control circuit;
The power supply of described outside is connected with working power circuit, and distribution voltage instrument transformer is connected with working power circuit for subsequent use; Described working power circuit and working power circuit for subsequent use by or door character circuit be connected with described micro-processor interface circuit; The input of described three-phase alternating voltage phase detecting circuit is connected with outside distribution voltage instrument transformer, and output is connected with microcontroller circuit;
Described electric current pre-process circuit is connected with current transformer respectively with electric current backup protection circuit.
Further, described fore-lying device is also provided with the second microcontroller circuit and the second electrical isolation device; The first electrical isolation device is provided with in described controller main body;
Described communication port is connected with first microprocessor circuit by the first electrical isolation device; Described communication port is connected with the second microcontroller circuit by the second electrical isolation device.
Further, described fore-lying device also comprises fore-lying device front panel and fore-lying device rear board;
Described fore-lying device front panel is provided with liquid crystal touch screen, function pressing plate, human body infrared inductive pick-up, breaking-closing operating button, a distant place and body operation transformation switch, more than one indicator light and the first Temperature Humidity Sensor; Described fore-lying device rear board is provided with the second Temperature Humidity Sensor;
Described liquid crystal touch screen, function pressing plate, human body infrared inductive pick-up, breaking-closing operating button, a distant place are connected with the second microcontroller circuit respectively with body operation transformation switch, more than one indicator light, the first Temperature Humidity Sensor, the second Temperature Humidity Sensor.
Further, described fore-lying device is also provided with GPRS communication module and RF radio-frequency communication module;
Described GPRS communication module is connected with the second microcontroller circuit respectively with RF radio-frequency communication module;
After described human body infrared inductive pick-up senses that human body is close, the second micro-processor interface circuit controls liquid crystal touch screen display, and after human body leaves, the second microcontroller circuit controls liquid crystal touch screen time-delay closing.
Further, described breaking-closing operating assembly comprises the first opening and closing state contact, the second opening and closing state contact, switching winding, closing coil, divide-shut brake power supply, shutting-brake control outlet device, separating brake controls to export device, divide-shut brake controls drive circuit, the first anti-trip relay and the second anti-trip relay;
Described divide-shut brake controls drive circuit, separating brake controls outlet device, the second anti-trip relay, the first opening and closing state contact, switching winding and divide-shut brake electric power generating composition sub-gate circuit;
Described divide-shut brake controls drive circuit and is connected with the control end that separating brake controls to export device; Described separating brake control outlet device, the second anti-trip relay, the first opening and closing state contact, switching winding are connected successively with divide-shut brake power supply;
Described divide-shut brake controls drive circuit, shutting-brake control outlet device, the first anti-trip relay, the second opening and closing state contact, closing coil and divide-shut brake electric power generating composition closing circuit;
Described divide-shut brake controls drive circuit and is connected with the control end that shutting-brake control exports device; Described shutting-brake control outlet device, the first anti-trip relay, the second opening and closing state contact, closing coil are connected successively with divide-shut brake power supply;
Shutting-brake control outlet device and separating brake control outlet device for turning off power electronic device.
Further, described power electronic device is IGBT pipe or metal-oxide-semiconductor or large power triode or turn-off thyristor;
Described closing circuit is provided with the first break-make testing circuit, described first break-make testing circuit is connected with the first photoelectric isolating device;
Described sub-gate circuit is provided with the second break-make testing circuit, described second break-make testing circuit is connected with the second photoelectric isolating device;
Described first photoelectric isolating device is connected with first microprocessor circuit respectively with the output of the second photoelectric isolating device.
Further, described first microprocessor circuit sends separating brake command signal, described separating brake command signal controls drive circuit through divide-shut brake and receives rear drive separating brake control outlet device, thus control switching winding, make breaker open operation, gate-dividing state signal is delivered to first microprocessor circuit by described first opening and closing state contact;
Described first microprocessor circuit sends reclosing command signal, control drive circuit through divide-shut brake and receive rear drive shutting-brake control outlet device, thus control closing coil, make breaker closing, "on" position signal is delivered to first microprocessor circuit by described second opening and closing state contact.
Further, described breaking-closing operating assembly also comprises the current detection circuit for monitoring switching winding or closing coil current value in divide-shut brake process;
Described current detection circuit is arranged between the point of sub-gate circuit and closing circuit and divide-shut brake power supply;
Described current detection circuit is connected with described first microprocessor circuit.
Further, when described circuit breaker load end is short-circuited fault, the current signal detected is sent to first microprocessor circuit through electric current pre-process circuit by current transformer, separating brake command signal is sent to divide-shut brake control circuit by described first microprocessor circuit, control the switching winding of breaking-closing operating assembly, make breaker open operation.
Further, described electric current backup protection circuit comprises the first potentiometer, the second potentiometer, the 3rd potentiometer, the first photoelectric isolating device, the second photoelectric isolating device, the 3rd photoelectric isolating device, working power and current testing connector;
Described first photoelectric isolating device is connected via the current transformer of the first potentiometer with the load end of circuit breaker; Described second photoelectric isolating device is connected via the current transformer of the second potentiometer with the load end of circuit breaker; Described photoelectric isolating device is connected with the current transformer of the load end of circuit breaker via the 3rd potentiometer;
Described first potentiometer, the second potentiometer, the 3rd potentiometer are connected with current testing connector respectively;
The output of described first photoelectric isolating device, the second photoelectric isolating device, the 3rd photoelectric isolating device is connected with divide-shut brake control circuit with working power, first microprocessor circuit respectively.
Further, described controller main body is outside equipped with electromagnetic screen and electric connection line,
Described electromagnetic screen comprises all around panel, electromagnetic screen front panel, electromagnetic screen rear board; Described electromagnetic screen front panel and electromagnetic screen rear board are connected by fixture with all around panel respectively;
Described all around panel, electromagnetic screen front panel and electromagnetic screen rear board are double-deck or double-deck above metallic plate;
Described electromagnetic screen is provided with antidetonation connector and wiring board;
Described wiring board is motherboard and plate; Described motherboard and plate are provided with connector; Described plate by connector and motherboard suitable; Described electromagnetic screen rear board is provided with cable hole, and described electric connection line is by being directly connected with motherboard after cable hole.
Further, described metallic plate is double-deck, and internal layer is aluminium sheet, and skin is iron plate;
Capacitor is provided with in described divide-shut brake power supply;
Described electric connection line is the cable with metal screen layer, and the screen of described cable is connected with electromagnetic screen via motherboard ground plane.
Further, described electric current backup protection circuit comprises the first potentiometer, the second potentiometer, the 3rd potentiometer, the first photoelectric isolating device, the second photoelectric isolating device, the 3rd photoelectric isolating device, working power and current testing connector;
Described first photoelectric isolating device is connected via the current transformer of the first potentiometer with the load end of circuit breaker; Described second photoelectric isolating device is connected via the current transformer of the second potentiometer with the load end of circuit breaker; Described photoelectric isolating device is connected with the current transformer of the load end of circuit breaker via the 3rd potentiometer;
Described first potentiometer, the second potentiometer, the 3rd potentiometer are connected with current testing connector respectively;
Described working power, first microprocessor circuit and divide-shut brake control circuit are connected with the output of the first photoelectric isolating device, the second photoelectric isolating device, the 3rd photoelectric isolating device respectively.
Further, the A pole of described first photoelectric isolating device to be held with the A of the current transformer of the load end of breaking-closing operating assembly via the first potentiometer and is connected, and the K pole of described first photoelectric isolating device is held with the N of described current transformer and is connected;
The A pole of described second photoelectric isolating device to be held with the B of the load end current transformer of circuit breaker via the second potentiometer and is connected, and the K pole of described second photoelectric isolating device is held with the N of described current transformer and is connected;
The A pole of described 3rd photoelectric isolating device to be held with the C of the load end current transformer of circuit breaker via the 3rd potentiometer and is connected, and the described K pole of the 3rd photoelectric isolating device is held with the N of described current transformer and is connected.
Further, described current transformer sensed current signal; The current signal that described current transformer detects exports electric current backup protection circuit to; When the current signal detected exceeds the protection starting current value of described electric current backup protection circuit, described electric current backup protection circuit exports signal to divide-shut brake control circuit; Described divide-shut brake control circuit controls the switching winding in the breaking-closing operating assembly in circuit breaker, makes breaker open operation.
Further, when single-phase earthing or two-phase short circuit, electric current preprocessor circuit, voltage-phase testing circuit detect the signal of the separate signal of short circuit and the voltage over zero of fault; The signal of the separate signal of described short circuit and the voltage over zero of fault is sent to first microprocessor circuit, the signal of described first microprocessor circuit to the separate signal of short circuit and the voltage over zero of fault is analyzed, and judges the zero crossing of the separate and false voltage be short-circuited; The branch wire time of described stroke detection circuit to circuit breaker detects, and obtains branch wire time signal; Described branch wire time signal is sent to first microprocessor circuit, described first microprocessor circuit controls breaking-closing operating assembly, make killer switch divide-shut brake point be in the zero crossing of short trouble cross streams voltage, carry out phase selection sub-switching operation and phase selection reclosing operation.
Beneficial effect of the present invention: structure of the present invention is simple, easy to use, multiple functional, anti-electromagnetic interference capability strong, the reliably protecting when there is load short circuits fault, and can accurately control the switch movable contact motion of circuit breaker.Divide according to the circuit breaker that the switch movable contact displacement detecting circuit of circuit breaker records, closing time, control killer switch divides, close a floodgate, killer switch is divided, the time point closed a floodgate is just in time at the zero crossing of short trouble cross streams voltage, realize current mode error protection phase selection separating brake and Fault Phase Selection reclosing, compared with prior art, greatly reduce current mode fault separating brake and reclosing to electrical network, the serious impact that load and equipment itself cause and harm, breaker controller realizes the main circuit parts on-line monitoring of circuit breaker, find fault ahead of time, timely process, avoid the generation of power grid accident.
Accompanying drawing explanation
Fig. 1 is the generalized schematic of circuit of the present invention;
Fig. 2 is the schematic diagram of breaker circuit of the present invention;
Fig. 3 is the schematic diagram of electric current backup protection circuit of the present invention;
Fig. 4 is the structural representation of shell of the present invention;
Fig. 5 is the infrared induction detection circuit on fore-lying device of the present invention;
Fig. 6 is the optical fiber communication receiving circuit on fore-lying device of the present invention;
Fig. 7 is the optical fiber communication transtation mission circuit on fore-lying device of the present invention;
Wherein: 1 controller body; 2 fore-lying devices; 3 first microprocessor circuit; 4 divide-shut brake control circuits; 5 stroke detection circuit; 6 first electrical isolation circuit; 7 electric current backup protection circuit; 8 working power circuits for subsequent use; 9 working power circuits; 10 breaking-closing operating assemblies; 11 first opening and closing state contacts; 12 switching windings; 13 closing coils; 14 or door character circuit; 15 power supplys; 16 distribution voltage instrument transformers; 17 three-phase alternating voltage phase detecting circuits; 18 second microcontroller circuits; 19 second electrical isolation circuit; 20 liquid crystal touch screens; 21 function pressing plates; 22 human body infrared inductive pick-ups; 23 first Temperature Humidity Sensors; 24 current transformers; 25 electric current preprocessor circuit; 26 shutting-brake control outlet devices; 27 separating brakes control outlet device; 28 first anti-trip relay; 29 second anti-trip relay; 30 current detection circuits; 31 divide-shut brakes control drive circuit; 32 first photoelectric isolating devices; 33 second photoelectric isolating devices; 34 first break-make testing circuits; 35 second break-make testing circuits; 36 first potentiometers; 37 second potentiometers; 38 the 3rd potentiometers; 39 first photoelectric isolating devices; 40 second photoelectric isolating devices; 41 the 3rd photoelectric isolating devices; 42 divide-shut brake power supplys; 43 current testing connectors; 44 electromagnetic screen front panels; 45 electromagnetic screen rear boards; 46 iron plates; 47 aluminium sheets; 48 antidetonation connectors; 49 motherboards; 50 all around panels; 51 connectors; 52 cables; 53 communication ports; 54 second Temperature Humidity Sensors; 55GPRS communication module; 56RF radio-frequency communication module; 57 points; 58 plates; 59 working powers; 60 second opening and closing state contacts; 61 second filter circuits; 62 feedback circuits; 63 signal processing circuits; 64 output circuits; 65 optical fiber Receivers; 66 first filter circuits; 67 first amplifying circuits; 68 first signal conditioning circuits; 69 first central processing unit ports; 70 second central processing unit ports; 71 second amplifying circuits; 72 secondary signal modulate circuits; 73 drive circuits; 74 fibre optical transmission heads.
Embodiment
In order to illustrate technical scheme of the present invention and technical purpose, below in conjunction with the drawings and the specific embodiments, the present invention is described further.
Embodiment 1
As shown in Figures 1 to 4, a kind of integrated high voltage AC circuit breaker controller of the present invention, comprise controller main body 1, fore-lying device 2 and stroke detection circuit 5, described controller main body 1 comprises first microprocessor circuit 3 and divide-shut brake control circuit 4;
Described controller main body 1 is connected by the current transformer 24 of the power supply 15 of electric connection line and its outside, distribution voltage instrument transformer 16, circuit breaker load and the breaking-closing operating assembly 10 be arranged in circuit breaker;
Described controller main body 1 is connected with fore-lying device 2 by communication port 53; Described stroke detection circuit 5 is connected with first microprocessor circuit 3; Described first microprocessor circuit 3 is connected with divide-shut brake control circuit 4; Described controller main body 1 is connected with the breaking-closing operating assembly 10 of circuit breaker;
Described controller main body 1 sends separating brake command signal or reclosing command signal, starts sub-switching operation or closing operation that breaking-closing operating assembly 10 controls circuit breaker.Described controller main body 1 loads circuit breaker, short with the line of circuit breaker electric connecting line, strong interference immunity, fore-lying device 2 is loaded on safety and is convenient to observe, man-machine interface is carried out in the place of operation, stroke detection circuit 5 is loaded on the moving contact drive rod of killer switch, for monitoring the mechanical movement parameter of open circuit, electrical isolation circuit, shielded cable, the measures such as screening can are for strengthening Electro Magnetic Compatibility, overcome the poor anti jamming capability existed in existing product, the intelligent protection function when load end is short-circuited fault is caused to lose efficacy and the problem of power grid security accident occurs.
Described controller main body 1 also comprise three-phase alternating voltage phase detecting circuit 17, electric current pre-process circuit 25, electric current backup protection circuit 7, working power circuit 9, working power circuit for subsequent use 8 and or door character circuit 14; Or door character circuit 14 exports the working power as circuit in controller main body 1; during all normal or one of them fault of working power circuit 8 for subsequent use and working power circuit 9 or door character circuit 14 all have output; thus the power supply reliability of controller main body 1 is improved; as being 99% originally, brought up to 99.99%.
Described three-phase alternating voltage phase detecting circuit 17, electric current preprocessor circuit 25 are connected with first microprocessor circuit 3 by electric connection line respectively with electric current backup protection circuit 7;
Described electric current pre-process circuit 25 is connected with described breaking-closing operating assembly 10 by divide-shut brake control circuit 4 via first microprocessor circuit 3;
Described electric current backup protection circuit 7 is connected with described breaking-closing operating assembly 10 by divide-shut brake control circuit 4;
The power supply 15 of described outside is connected with working power circuit 9; Distribution voltage instrument transformer 16 is connected with working power circuit 8 for subsequent use;
Described working power circuit 9 passes through with working power circuit 8 for subsequent use or door character circuit 14 is connected with described micro-processor interface circuit 3;
The input of described three-phase alternating voltage phase detecting circuit 17 is connected with outside distribution voltage instrument transformer 16, and output is connected with microcontroller circuit 3;
Described electric current pre-process circuit 25 is connected with current transformer 24 respectively with electric current backup protection circuit 7.
The branch wire time of the circuit breaker that the stroke detection circuit 5 of circuit breaker records; control the switch divide-shut brake of circuit breaker; the time point of killer switch divide-shut brake is made to be in the zero crossing of short trouble cross streams voltage; realize current mode error protection phase selection separating brake and Fault Phase Selection reclosing; circuit is simple, algorithm is simple, greatly reduces serious impact that current mode fault separating brake and reclosing cause electrical network, load and equipment itself, harm.
Electric current backup protection circuit 7 is made up of non intelligent element, strong interference immunity, not by the interference of ultrahigh current during fault, thus drastically increases the reliability of circuit protection.
Described fore-lying device 2 is also provided with the second microcontroller circuit 18 and the second electrical isolation device 19; The first electrical isolation device 6 is provided with in described controller main body 1;
Described communication port 53 is connected with first microprocessor circuit 3 by the first electrical isolation device 6; Described communication port 53 is connected with the second microcontroller circuit 18 by the second electrical isolation device 19.
Described fore-lying device 2 also comprises fore-lying device front panel and fore-lying device rear board;
Described fore-lying device front panel is provided with liquid crystal touch screen 20, function pressing plate 21, human body infrared inductive pick-up 22, breaking-closing operating button, a distant place and body operation transformation switch, more than one indicator light and the first Temperature Humidity Sensor 23; Described fore-lying device rear board is provided with the second Temperature Humidity Sensor 54;
Described liquid crystal touch screen 20, function pressing plate 21, human body infrared inductive pick-up 22, breaking-closing operating button, a distant place are connected with the second microcontroller circuit 18 respectively with body operation transformation switch, more than one indicator light, the first Temperature Humidity Sensor 23, second Temperature Humidity Sensor 54.
Described fore-lying device 2 is also provided with GPRS communication module 55 and RF radio-frequency communication module 56;
Described GPRS communication module 55 and RF radio-frequency communication module 56 are connected with the second microcontroller circuit 18 respectively; Described GPRS communication module 55 achieves the radio remote square tube reason of product, and RF radio-frequency communication module 56, for online with the complete set of equipments with RF radio communication function during products application, saves a lot of switching devices.
After described infrared human body infrared induction transducer 22 senses that human body is close, the second micro-processor interface circuit 18 controls liquid crystal touch screen 20 and shows, and after human body leaves, the second microcontroller circuit 18 controls liquid crystal touch screen 20 time-delay closing.Overcome fore-lying device 2 because of the short integrity problem of liquid crystal touch screen 20 working life.
Fore-lying device 2 is generally installed on the cabinet face of switch cubicle, be installed on the first Temperature Humidity Sensor 23 of fore-lying device 2 front panel for monitoring cabinet external environment, be installed on second Temperature Humidity Sensor 54 of fore-lying device 2 rear board for monitoring cabinet environment, adjunct circuit is few, decreases the quantity of complete set of equipments during products application.Liquid crystal touch screen 20 is for information displaying and setting operation keyboard, and function pressing plate 21 arranges intuitively and easily for scene or cancels the critical function of fore-lying device 2, avoids occurring mistake, produces serious consequence.
The functional module of fore-lying device 2 comprises information display function module, controlling functions module, statistical function module and diagnostic function module.Described information display function module comprises:
(1) electric current, voltage, power, the electric quantity information displays such as power factor; (2) temperature, humidity, the position of the switch, the non-electric quantity information displaying such as energy storage position; (3) contact temperature display; (4) primary connection figure state display; (5) voltage, electric current, power, power factor curve shows; (6) protection information display and warning message display;
Described controlling functions module comprises:
(1) local a, distant place controls; (2) handcart is retreated and is controlled; (3) divide, shutting-brake control; (4) door lock controls: the electromagnetic lock of control cubicle door; (5) heat, fan control: the temperature range according to setting carries out thermostatic control in cabinet automatically;
Described statistical function module comprises:
(1) close a floodgate, separating brake event statistics: record point, closing moment, coil current, point, closing time, point, closing speed, point, closing frequencies; (2) handcart advance and retreat event statistics: record handcart operation moment, run duration, flow currents, times of exercise; (3) cutter divide, combined floodgate event statistics: record ground the cutter action moment, operate time, current of electric, movement velocity, times of exercise; (4) alert event statistics: with moment and the value at that time of reporting to the police that to exceed standard compared with limit value is set; (5) power consumption statistics: electric energy metrical function, is divided into peak, the metering of paddy, at ordinary times section;
Described diagnostic function module comprises:
(1) circuit breaker characteristic diagnosis: judge that whether circuit breaker characteristic is normal; (2) complex automatic system diagnosis: judge that whether breaker controller function is normal; (3) the complete sets of equipment diagnosis: judge that in cabinet, whether measure and control device is normal; (4) distribution and load are diagnosed: judge that whether loop is normal; (5) divide, combined floodgate event record ripple: record point, combined floodgate immediate current, voltage, moving contact stroke curve;
Described parameter setting function comprises:
(1) system parameter setting: system clock is set, communication protocol, speed etc.; (2) complete optimum configurations: humiture alarm limits is set; (3) Protection parameters is arranged: arrange overvoltage, under-voltage, quick-break, overcurrent, the parameters such as pressing plate; (4) alarm parameters is arranged: the electrical characteristic that sets up an organization alarm limits; (5) interlocked operation optimum configurations: the interlocked operation logical relation that circuit breaker is set.
As shown in Figure 5, be the infrared induction detection circuit on fore-lying device 2 of the present invention, fore-lying device 2 perception human body signal, opens liquid crystal display; for operator, people leaves rear output circuit 64 and closes, and reduces power consumption; saves energy, protection LCDs, increases the service life.Human body infrared inductive pick-up 22 converts the signal of telecommunication to after receiving human body infrared ripple signal, after the second filter circuit 61 filtering, send signal processing circuit 63 to process, in order to improve the stability of system, add feedback circuit 62, receive only the signal of particular range wavelength, export a drive singal finally by output circuit 64, connect the power supply of liquid crystal touch screen 20.
As shown in Figure 6 and Figure 7, the upper optical fiber communication circuit of fore-lying device 2 comprises following part:
Optical fiber communication receiving circuit:
Optical fiber Receiver 65 is through the first filter circuit 66 filtering, elimination visible ray disturbs, filtered signal is after the first amplifying circuit 67 amplifies, and be transferred to the first signal conditioning circuit 68, the output of described first signal conditioning circuit 68 is connected with the first central processing unit port 69; In order to improve the stability of communication, and improving traffic rate, using optical fiber as communication media, there is strong anti-interference ability, improving the interference free performance of system.
Optical fiber communication transtation mission circuit:
Transmission signal is transferred to secondary signal modulate circuit 72 by the second central processing unit port 70 after the second amplifying circuit 71 amplifies, signal after conditioning is sent overdrive circuit 73 by secondary signal modulate circuit 72, drive circuit 73 converts voltage signal to current signal, convert the electrical signal to light signal through fibre optical transmission head 74 again, transmit through optical fiber cable.
Described breaking-closing operating assembly 10 comprises the first opening and closing state contact 11, second opening and closing state contact 60, switching winding 12, closing coil 13, divide-shut brake power supply 42, shutting-brake control outlet device 26, separating brake controls to export device 27, divide-shut brake controls drive circuit 31, first anti-trip relay 28 and the second anti-trip relay 29;
Described divide-shut brake controls drive circuit 31, separating brake controls outlet device 27, second anti-trip relay 29, first opening and closing state contact 11, switching winding 12 forms sub-gate circuit with divide-shut brake power supply 42;
Described divide-shut brake controls drive circuit 31 and is connected with the control end that separating brake controls to export device 27; Described separating brake controls outlet device 27, second anti-trip relay 29, first opening and closing state contact 11, switching winding 12 is connected successively with divide-shut brake power supply 42;
Described divide-shut brake controls drive circuit 31, shutting-brake control outlet device 26, first anti-trip relay 28, second opening and closing state contact 60, closing coil 13 and divide-shut brake power supply 42 and forms closing circuit;
Described divide-shut brake controls drive circuit 31 and is connected with the control end that shutting-brake control exports device 26; Described shutting-brake control outlet device 26, first anti-trip relay 28, second opening and closing state contact 60, closing coil 13 are connected successively with divide-shut brake power supply 42;
Shutting-brake control outlet device 26 and separating brake control outlet device 27 for turning off power electronic device.Use can turn off power electronic device, can shorten and accurately control branch wire time, make branch wire time be reduced to 40ms from the 100ms of prior art, make opening time be reduced to 15ms from the 60ms of prior art, realize Fault Phase Selection separating brake and phase selection reclosing accurately.
Described power electronic device is IGBT pipe or metal-oxide-semiconductor or large power triode or turn-off thyristor;
Described closing circuit is provided with the first break-make testing circuit 34, described first break-make testing circuit 34 is connected with the first photoelectric isolating device 32;
Described sub-gate circuit is provided with the second break-make testing circuit 35, described second break-make testing circuit 35 is connected with the second photoelectric isolating device 33;
Described first photoelectric isolating device 32 is connected with first microprocessor circuit 3 respectively with the output of the second photoelectric isolating device 33.
Described first microprocessor circuit 3 sends separating brake command signal, described separating brake command signal controls drive circuit 31 through divide-shut brake and receives rear drive separating brake control outlet device 27, thus control switching winding 12, make breaker open operation, gate-dividing state signal is delivered to first microprocessor circuit 3 by described first opening and closing state contact 11;
Described first microprocessor circuit 3 sends reclosing command signal, control drive circuit 31 through divide-shut brake and receive rear drive shutting-brake control outlet device 26, thus control closing coil 13, make breaker closing, "on" position signal is delivered to first microprocessor circuit 3 by described second opening and closing state contact 60.
Described breaking-closing operating assembly 10 also comprises the current detection circuit 30 for monitoring switching winding 12 or closing coil 13 current value in divide-shut brake process;
Described current detection circuit 30 is arranged between the point 57 of sub-gate circuit and closing circuit and divide-shut brake power supply 42;
Described current detection circuit 30 is connected with described first microprocessor circuit 3.The break-make monitoring of microcontroller circuit 3 pairs of switching windings 12 and closing coil 13, and the electric current of closing coil 13 in the electric current of switching winding 12 in separating brake process and making process carries out measurement and diagnoses and upload, circuit is simple, logic is reasonable, realize circuit breaker main circuit parts on-line monitoring, find fault ahead of time, timely process, avoids the generation of power grid accident.
When described circuit breaker load end is short-circuited fault, the current signal detected is sent to first microprocessor circuit 3 through electric current pre-process circuit 25 by current transformer 24, separating brake command signal is sent to divide-shut brake control circuit 4 by described first microprocessor circuit 3, control the switching winding 12 of breaking-closing operating assembly 10, make breaker open operation.
Described electric current backup protection circuit 7 comprises the first potentiometer 36, second potentiometer 37, the 3rd potentiometer 38, first photoelectric isolating device 39, second photoelectric isolating device 40, the 3rd photoelectric isolating device 41, working power 59 and current testing connector 43;
Described first photoelectric isolating device 39 is connected with the current transformer 24 of the load end of circuit breaker via the first potentiometer 36; Described second photoelectric isolating device 40 is connected with the current transformer 24 of the load end of circuit breaker via the second potentiometer 37; Described photoelectric isolating device 41 is connected with the current transformer 24 of the load end of circuit breaker via the 3rd potentiometer 38;
Described first potentiometer 36, second potentiometer 37, the 3rd potentiometer 38 are connected with current testing connector 43 respectively;
The output of described first photoelectric isolating device 39, second photoelectric isolating device 40, the 3rd photoelectric isolating device 41 is connected with divide-shut brake control circuit 4 with working power 59, first microprocessor circuit 3 respectively.
Described controller main body 1 is outside equipped with electromagnetic screen and electric connection line,
Described electromagnetic screen comprises all around panel 50, electromagnetic screen front panel 44, electromagnetic screen rear board 45; Described electromagnetic screen front panel 44 and electromagnetic screen rear board 45 are connected by fixture with all around panel 50 respectively;
Described all around panel 50, electromagnetic screen front panel 44 and electromagnetic screen rear board 45 is double-deck or double-deck above metallic plate;
Described electromagnetic screen is provided with antidetonation connector 48 and wiring board;
Described wiring board is motherboard 49 and plate 58; Described motherboard 49 and plate 58 are provided with connector 51; Described plate 58 is suitable by connector 51 and motherboard 49; Described electromagnetic screen rear board 45 is provided with cable hole, and described electric connection line is by being directly connected with motherboard 49 after cable hole.
Described metallic plate is double-deck, and internal layer is aluminium sheet 47, and skin is iron plate 46; The thickness of described aluminium sheet 47 is not less than 3mm; Skin is iron plate 46, and the thickness of described iron plate 46 is for being not less than 1mm; There is very strong shielding action in iron plate 46 pairs of magnetic fields, and aluminium sheet 47 pairs of electric jamming have very strong shielding action, and the two has certain thickness and combines, and make controller main body 1 have good Electro Magnetic Compatibility, guaranteeing can reliably working in situations such as load short circuits.
Capacitor is provided with in described divide-shut brake power supply 42; Capacitor is used for energy storage, reduces the capacity of external power source 15 and improves the stability of working power circuit 9, make branch wire time point control accurate more accurate with this.
Described electric connection line is the cable 52 with metal screen layer, and the screen of described cable 52 is connected with electromagnetic screen via motherboard 49 ground plane.Metallic shield cable 52, for preventing the introducing of interference signal, improves Electro Magnetic Compatibility; Overall structure of the present invention is simple, installs, debugging, maintenance be also very convenient.
Described electric current backup protection circuit 7 comprises the first potentiometer 36, second potentiometer 37, the 3rd potentiometer 38, first photoelectric isolating device 39, second photoelectric isolating device 40, the 3rd photoelectric isolating device 41, working power 59 and current testing connector 43;
Described first photoelectric isolating device 39 is connected with the current transformer 24 of the load end of circuit breaker via the first potentiometer 36; Described second photoelectric isolating device 40 is connected with the current transformer 24 of the load end of circuit breaker via the second potentiometer 37; Described photoelectric isolating device 41 is connected with the current transformer 24 of the load end of circuit breaker via the 3rd potentiometer 38;
Described first potentiometer 36, second potentiometer 37, the 3rd potentiometer 38 are connected with current testing connector 43 respectively;
Described working power 59, first microprocessor circuit 3 and divide-shut brake control circuit 4 are connected with the output of the first photoelectric isolating device 39, second photoelectric isolating device 40, the 3rd photoelectric isolating device 41 respectively.
The A pole of described first photoelectric isolating device 39 to be held with the A of the current transformer 24 of the load end of breaking-closing operating assembly 10 via the first potentiometer 36 and is connected, and the K pole of described first photoelectric isolating device 39 is held with the N of described current transformer 24 and is connected;
The A pole of described second photoelectric isolating device 40 to be held with the B of the load end current transformer 24 of circuit breaker via the second potentiometer 37 and is connected, and the K pole of described second photoelectric isolating device 40 is held with the N of described current transformer 24 and is connected;
The A pole of described 3rd photoelectric isolating device 41 to be held with the C of the load end current transformer 24 of circuit breaker via the 3rd potentiometer 38 and is connected, and the K pole of described 3rd photoelectric isolating device 41 is held with the N of described current transformer 24 and is connected.
Described current transformer 24 sensed current signal; The current signal that described current transformer 24 detects exports electric current backup protection circuit 7 to; When the current signal detected exceeds the protection starting current value of described electric current backup protection circuit 7, described electric current backup protection circuit 7 exports signal to divide-shut brake control circuit 4; Described divide-shut brake control circuit 4 controls the switching winding 12 in the breaking-closing operating assembly 10 in circuit breaker, makes breaker open operation.
When single-phase earthing or two-phase short circuit, electric current preprocessor circuit 25, voltage-phase testing circuit 17 detect the signal of the separate signal of short circuit and the voltage over zero of fault; The signal of the separate signal of described short circuit and the voltage over zero of fault is sent to first microprocessor circuit 3, the signal of the separate signal of described first microprocessor circuit 3 pairs of short circuits and the voltage over zero of fault is analyzed, and judges the zero crossing of the separate and false voltage be short-circuited; The branch wire time of described stroke detection circuit 5 pairs of circuit breakers detects, and obtains branch wire time signal; Described branch wire time signal is sent to first microprocessor circuit 3, described first microprocessor circuit 3 pairs of breaking-closing operating assemblies 10 control, make killer switch divide-shut brake point be in the zero crossing of short trouble cross streams voltage, carry out phase selection sub-switching operation and phase selection reclosing operation.
Embodiment 2
The present embodiment is with the difference of embodiment 1, and described closing circuit is connected with the first photoelectric isolating device 32 with the first break-make testing circuit 34 by electric connection line at A2 point.
Described sub-gate circuit is connected with the second photoelectric isolating device 33 with the second break-make testing circuit 35 by electric connection line at B2 point.
Described power electronic device is large power triode or turn-off thyristor or metal-oxide-semiconductor.
Embodiment 3
The present embodiment is with the difference of embodiment 1, and described closing circuit is connected with the first photoelectric isolating device 32 with the first break-make testing circuit 34 by electric connection line at A2 point.Described sub-gate circuit is connected with the second photoelectric isolating device 33 with the second break-make testing circuit 35 by electric connection line at B1 point.Described power electronic device is turn-off thyristor or metal-oxide-semiconductor.
Embodiment 4
The present embodiment is with the difference of embodiment 1, and described closing circuit is connected with the first photoelectric isolating device 32 with the first break-make testing circuit 34 by electric connection line at A1 point.Described sub-gate circuit is connected with the second photoelectric isolating device 33 with the second break-make testing circuit 35 by electric connection line at B2 point.Described power electronic device is large power triode.
Structure of the present invention is simple, easy to use, multiple functional, anti-electromagnetic interference capability strong, the reliably protecting when there is load short circuits fault, and can accurately control the switch movable contact motion of circuit breaker.Divide according to the circuit breaker that the switch movable contact displacement detecting circuit of circuit breaker records, closing time, control killer switch divides, close a floodgate, killer switch is divided, the time point closed a floodgate is just in time at the zero crossing of short trouble cross streams voltage, realize current mode error protection phase selection separating brake and Fault Phase Selection reclosing, compared with prior art, greatly reduce current mode fault separating brake and reclosing to electrical network, the serious impact that load and equipment itself cause and harm, breaker controller realizes the main circuit parts on-line monitoring of circuit breaker, find fault ahead of time, timely process, avoid the generation of power grid accident.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and application claims protection range is defined by appending claims, specification and equivalent thereof.
Claims (16)
1. an integrated high voltage AC circuit breaker controller, comprise controller main body (1), fore-lying device (2) and stroke detection circuit (5), it is characterized in that: described controller main body (1) comprises first microprocessor circuit (3) and divide-shut brake control circuit (4);
Described controller main body (1) is connected by the current transformer (24) of the power supply (15) of electric connection line and its outside, distribution voltage instrument transformer (16), circuit breaker load and the breaking-closing operating assembly (10) be arranged in circuit breaker;
Described controller main body (1) is connected with fore-lying device (2) by communication port (53); Described stroke detection circuit (5) is connected with first microprocessor circuit (3); Described first microprocessor circuit (3) is connected with divide-shut brake control circuit (4); Described controller main body (1) is connected with the breaking-closing operating assembly (10) of circuit breaker;
Described controller main body (1) sends separating brake command signal or reclosing command signal, starts sub-switching operation or closing operation that breaking-closing operating assembly (10) controls circuit breaker;
Described controller main body (1) also comprise three-phase alternating voltage phase detecting circuit (17), electric current pre-process circuit (25), electric current backup protection circuit (7), working power circuit (9), working power circuit for subsequent use (8) and or door character circuit (14);
Described three-phase alternating voltage phase detecting circuit (17), electric current preprocessor circuit (25) are connected with first microprocessor circuit (3) by electric connection line respectively with electric current backup protection circuit (7);
Described electric current pre-process circuit (25) is connected with described breaking-closing operating assembly (10) by divide-shut brake control circuit (4) via first microprocessor circuit (3);
Described electric current backup protection circuit (7) is connected with described breaking-closing operating assembly (10) by divide-shut brake control circuit (4);
The power supply (15) of described outside is connected with working power circuit (9); Distribution voltage instrument transformer (16) is connected with working power circuit for subsequent use (8);
Described working power circuit (9) passes through with working power circuit for subsequent use (8) or door character circuit (14) is connected with described micro-processor interface circuit (3);
The input of described three-phase alternating voltage phase detecting circuit (17) is connected with outside distribution voltage instrument transformer (16), and output is connected with microcontroller circuit (3);
Described electric current pre-process circuit (25) is connected with current transformer (24) respectively with electric current backup protection circuit (7).
2. integrated high voltage AC circuit breaker controller according to claim 1, is characterized in that:
Described fore-lying device (2) is also provided with the second microcontroller circuit (18) and the second electrical isolation device (19); The first electrical isolation device (6) is provided with in described controller main body (1);
Described communication port (53) is connected with first microprocessor circuit (3) by the first electrical isolation device (6); Described communication port (53) is connected with the second microcontroller circuit (18) by the second electrical isolation device (19).
3. integrated high voltage AC circuit breaker controller according to claim 1, is characterized in that: described fore-lying device (2) also comprises fore-lying device front panel and fore-lying device rear board;
Described fore-lying device front panel is provided with liquid crystal touch screen (20), function pressing plate (21), human body infrared inductive pick-up (22), breaking-closing operating button, a distant place and body operation transformation switch, more than one indicator light and the first Temperature Humidity Sensor (23); Described fore-lying device rear board is provided with the second Temperature Humidity Sensor (54);
Described liquid crystal touch screen (20), function pressing plate (21), human body infrared inductive pick-up (22), breaking-closing operating button, a distant place are connected with the second microcontroller circuit (18) respectively with body operation transformation switch, more than one indicator light, the first Temperature Humidity Sensor (23), the second Temperature Humidity Sensor (54).
4. integrated high voltage AC circuit breaker controller according to claim 3, is characterized in that: described fore-lying device (2) is also provided with GPRS communication module (55) and RF radio-frequency communication module (56);
Described GPRS communication module (55) is connected with the second microcontroller circuit (18) respectively with RF radio-frequency communication module (56);
After described infrared human body infrared induction transducer (22) senses that human body is close, second micro-processor interface circuit (18) controls liquid crystal touch screen (20) display, after human body leaves, the second microcontroller circuit (18) controls liquid crystal touch screen (20) time-delay closing.
5. integrated high voltage AC circuit breaker controller according to claim 2, is characterized in that: described breaking-closing operating assembly (10) comprises the first opening and closing state contact (11), the second opening and closing state contact (60), switching winding (12), closing coil (13), divide-shut brake power supply (42), shutting-brake control outlet device (26), separating brake controls outlet device (27), divide-shut brake controls drive circuit (31), the first anti-trip relay (28) and the second anti-trip relay (29);
Described divide-shut brake controls drive circuit (31), separating brake controls outlet device (27), the second anti-trip relay (29), the first opening and closing state contact (11), switching winding (12) form sub-gate circuit with divide-shut brake power supply (42);
Described divide-shut brake controls drive circuit (31) and is connected with the control end that separating brake controls to export device (27); Described separating brake control outlet device (27), the second anti-trip relay (29), the first opening and closing state contact (11), switching winding (12) are connected successively with divide-shut brake power supply (42);
Described divide-shut brake controls drive circuit (31), shutting-brake control outlet device (26), the first anti-trip relay (28), the second opening and closing state contact (60), closing coil (13) and divide-shut brake power supply (42) and forms closing circuit;
Described divide-shut brake controls drive circuit (31) and is connected with the control end that shutting-brake control exports device (26); Described shutting-brake control outlet device (26), the first anti-trip relay (28), the second opening and closing state contact (60), closing coil (13) are connected successively with divide-shut brake power supply (42);
Shutting-brake control outlet device (26) and separating brake control outlet device (27) for turning off power electronic device.
6. integrated high voltage AC circuit breaker controller according to claim 5, is characterized in that: described power electronic device is IGBT pipe or metal-oxide-semiconductor or large power triode or turn-off thyristor;
Described closing circuit is provided with the first break-make testing circuit (34), described first break-make testing circuit (34) is connected with the first photoelectric isolating device (32);
Described sub-gate circuit is provided with the second break-make testing circuit (35), described second break-make testing circuit (35) is connected with the second photoelectric isolating device (33);
Described first photoelectric isolating device (32) is connected with first microprocessor circuit (3) respectively with the output of the second photoelectric isolating device (33).
7. integrated high voltage AC circuit breaker controller according to claim 5, it is characterized in that: described first microprocessor circuit (3) sends separating brake command signal, described separating brake command signal controls drive circuit (31) through divide-shut brake and receives rear drive separating brake control outlet device (27), thus control switching winding (12), make breaker open operation, gate-dividing state signal is delivered to first microprocessor circuit (3) by described first opening and closing state contact (11);
Described first microprocessor circuit (3) sends reclosing command signal, control drive circuit (31) through divide-shut brake and receive rear drive shutting-brake control outlet device (26), thus control closing coil (13), make breaker closing, "on" position signal is delivered to first microprocessor circuit (3) by described second opening and closing state contact (60).
8. integrated high voltage AC circuit breaker controller according to claim 5, is characterized in that: described breaking-closing operating assembly (10) also comprises the current detection circuit (30) for monitoring switching winding (12) or closing coil (13) current value in divide-shut brake process;
Described current detection circuit (30) is arranged between the point (57) of sub-gate circuit and closing circuit and divide-shut brake power supply (42);
Described current detection circuit (30) is connected with described first microprocessor circuit (3).
9. integrated high voltage AC circuit breaker controller according to claim 1, it is characterized in that: when described circuit breaker load end is short-circuited fault, the current signal detected is sent to first microprocessor circuit (3) through electric current pre-process circuit (25) by current transformer (24), separating brake command signal is sent to divide-shut brake control circuit (4) by described first microprocessor circuit (3), control the switching winding (12) of breaking-closing operating assembly (10), make breaker open operation.
10. integrated high voltage AC circuit breaker controller according to claim 1, is characterized in that: described electric current backup protection circuit (7) comprises the first potentiometer (36), the second potentiometer (37), the 3rd potentiometer (38), the first photoelectric isolating device (39), the second photoelectric isolating device (40), the 3rd photoelectric isolating device (41), working power (59) and current testing connector (43);
Described first photoelectric isolating device (39) is connected with the current transformer (24) of the load end of circuit breaker via the first potentiometer (36); Described second photoelectric isolating device (40) is connected with the current transformer (24) of the load end of circuit breaker via the second potentiometer (37); Described photoelectric isolating device (41) is connected with the current transformer (24) of the load end of circuit breaker via the 3rd potentiometer (38);
Described first potentiometer (36), the second potentiometer (37), the 3rd potentiometer (38) are connected with current testing connector (43) respectively;
The output of described first photoelectric isolating device (39), the second photoelectric isolating device (40), the 3rd photoelectric isolating device (41) is connected with divide-shut brake control circuit (4) with working power (59), first microprocessor circuit (3) respectively.
11. integrated high voltage AC circuit breaker controllers according to claim 1, is characterized in that: described controller main body (1) is outside equipped with electromagnetic screen and electric connection line,
Described electromagnetic screen comprises all around panel (50), electromagnetic screen front panel (44), electromagnetic screen rear board (45); Described electromagnetic screen front panel (44) and electromagnetic screen rear board (45) are connected by fixture with all around panel (50) respectively;
Described all around panel (50), electromagnetic screen front panel (44) and electromagnetic screen rear board (45) are double-deck or double-deck above metallic plate;
Described electromagnetic screen is provided with antidetonation connector (48) and wiring board;
Described wiring board is motherboard (49) and plate (58); Described motherboard (49) and plate (58) are provided with connector (51); Described plate (58) is suitable by connector (51) and motherboard (49); Described electromagnetic screen rear board (45) is provided with cable hole, and described electric connection line is directly connected with motherboard (49) by after cable hole.
12. integrated high voltage AC circuit breaker controllers according to claim 11, is characterized in that: described metallic plate is for double-deck, and internal layer is aluminium sheet (47), and skin is iron plate (46);
Capacitor is provided with in described divide-shut brake power supply (42);
Described electric connection line is the cable (52) with metal screen layer, and the screen of described cable (52) is connected with electromagnetic screen via motherboard (49) ground plane.
13. integrated high voltage AC circuit breaker controllers according to claim 1, is characterized in that: described electric current backup protection circuit (7) comprises the first potentiometer (36), the second potentiometer (37), the 3rd potentiometer (38), the first photoelectric isolating device (39), the second photoelectric isolating device (40), the 3rd photoelectric isolating device (41), working power (59) and current testing connector (43);
Described first photoelectric isolating device (39) is connected with the current transformer (24) of the load end of circuit breaker via the first potentiometer (36); Described second photoelectric isolating device (40) is connected with the current transformer (24) of the load end of circuit breaker via the second potentiometer (37); Described photoelectric isolating device (41) is connected with the current transformer (24) of the load end of circuit breaker via the 3rd potentiometer (38);
Described first potentiometer (36), the second potentiometer (37), the 3rd potentiometer (38) are connected with current testing connector (43) respectively;
Described working power (59), first microprocessor circuit (3) and divide-shut brake control circuit (4) are connected with the output of the first photoelectric isolating device (39), the second photoelectric isolating device (40), the 3rd photoelectric isolating device (41) respectively.
14. integrated high voltage AC circuit breaker controllers according to claim 13, it is characterized in that: the A pole of described first photoelectric isolating device (39) to be held with the A of the current transformer (24) of the load end of breaking-closing operating assembly (10) via the first potentiometer (36) and is connected, and the K pole of described first photoelectric isolating device (39) is held with the N of described current transformer (24) and is connected;
The A pole of described second photoelectric isolating device (40) to be held with the B of the load end current transformer (24) of circuit breaker via the second potentiometer (37) and is connected, and the K pole of described second photoelectric isolating device (40) is held with the N of described current transformer (24) and is connected;
The A pole of described 3rd photoelectric isolating device (41) to be held with the C of the load end current transformer (24) of circuit breaker via the 3rd potentiometer (38) and is connected, and the K pole of described 3rd photoelectric isolating device (41) is held with the N of described current transformer (24) and is connected.
15. integrated high voltage AC circuit breaker controllers according to claim 1, is characterized in that:
Described current transformer (24) sensed current signal;
The current signal that described current transformer (24) detects exports electric current backup protection circuit (7) to;
When the current signal detected exceeds the protection starting current value of described electric current backup protection circuit (7), signal is exported to divide-shut brake control circuit (4) by described electric current backup protection circuit (7);
Described divide-shut brake control circuit (4) controls the switching winding (12) in the breaking-closing operating assembly (10) in circuit breaker, makes breaker open operation.
16. integrated high voltage AC circuit breaker controllers according to claim 1, is characterized in that:
When single-phase earthing or two-phase short circuit, described electric current preprocessor circuit (25), voltage-phase testing circuit (17) detect the signal of the separate signal of short circuit and the voltage over zero of fault;
The signal of the separate signal of described short circuit and the voltage over zero of fault is sent to first microprocessor circuit (3), the signal of described first microprocessor circuit (3) to the separate signal of short circuit and the voltage over zero of fault is analyzed, and judges the zero crossing of the separate and false voltage be short-circuited;
The branch wire time of described stroke detection circuit (5) to circuit breaker detects, and obtains branch wire time signal;
Described branch wire time signal is sent to first microprocessor circuit (3), described first microprocessor circuit (3) controls breaking-closing operating assembly, make killer switch divide-shut brake point be in the zero crossing of short trouble cross streams voltage, carry out phase selection sub-switching operation and phase selection reclosing operation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013943.8A CN103779965B (en) | 2014-01-13 | 2014-01-13 | Integrated high-voltage AC circuit-breaker controller |
| PCT/CN2014/085348 WO2015103883A1 (en) | 2014-01-13 | 2014-08-27 | Integrated high-voltage alternating-current circuit breaker controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013943.8A CN103779965B (en) | 2014-01-13 | 2014-01-13 | Integrated high-voltage AC circuit-breaker controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103779965A CN103779965A (en) | 2014-05-07 |
| CN103779965B true CN103779965B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410013943.8A Active CN103779965B (en) | 2014-01-13 | 2014-01-13 | Integrated high-voltage AC circuit-breaker controller |
Country Status (2)
| Country | Link |
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| CN (1) | CN103779965B (en) |
| WO (1) | WO2015103883A1 (en) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779965B (en) * | 2014-01-13 | 2015-06-17 | 江苏现代电力科技股份有限公司 | Integrated high-voltage AC circuit-breaker controller |
| CN104810832B (en) * | 2015-04-28 | 2018-01-19 | 中国电力科学研究院 | A kind of synthesis phase-controlled method for considering load condition |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101673926A (en) * | 2008-09-10 | 2010-03-17 | 北京人民电器厂有限公司 | Breaker controller with over-current backup protection and protection method thereof |
| CN102522269A (en) * | 2011-12-27 | 2012-06-27 | 日新恒通电气有限公司 | Intelligent circuit breaker |
| CN202772089U (en) * | 2012-08-21 | 2013-03-06 | 江苏云意电气股份有限公司 | Intelligent controller device of residual current breaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100760331B1 (en) * | 2006-03-30 | 2007-09-20 | 신성산전주식회사 | High speed automatic circuit breaker for protection |
| CN2904424Y (en) * | 2006-05-17 | 2007-05-23 | 江苏现代电力电容器有限公司 | Intelligent low voltage power capacitor |
| CN100580835C (en) * | 2008-03-21 | 2010-01-13 | 鞍山华夏电力电子设备有限公司 | Breaker synchronous controller and control method thereof |
| IT1400922B1 (en) * | 2010-05-14 | 2013-07-02 | St Microelectronics Srl | BY-PASS DIODE OR CIRCUIT BREAKER FOR DC SOURCE MADE WITH A LOW RESISTANCE CONDUCTING MOSFET AND ITS SELF-POWERED CONTROL CIRCUIT WITH MEANS OF DISABLING THE DC SOURCE IN THE EVENT OF FIRE OR OTHER RISK |
| CN202633946U (en) * | 2012-06-08 | 2012-12-26 | 山东新科特电气有限公司 | Low voltage electric power active stepless capacitance regulation compensation filtering device |
| CN103208806A (en) * | 2013-04-11 | 2013-07-17 | 中国振华电子集团百智科技有限公司 | High-voltage permanent magnet zero passage switch control device |
| CN203673279U (en) * | 2014-01-13 | 2014-06-25 | 江苏现代电力科技股份有限公司 | High-voltage integrated breaker controller |
| CN103779965B (en) * | 2014-01-13 | 2015-06-17 | 江苏现代电力科技股份有限公司 | Integrated high-voltage AC circuit-breaker controller |
-
2014
- 2014-01-13 CN CN201410013943.8A patent/CN103779965B/en active Active
- 2014-08-27 WO PCT/CN2014/085348 patent/WO2015103883A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101673926A (en) * | 2008-09-10 | 2010-03-17 | 北京人民电器厂有限公司 | Breaker controller with over-current backup protection and protection method thereof |
| CN102522269A (en) * | 2011-12-27 | 2012-06-27 | 日新恒通电气有限公司 | Intelligent circuit breaker |
| CN202772089U (en) * | 2012-08-21 | 2013-03-06 | 江苏云意电气股份有限公司 | Intelligent controller device of residual current breaker |
Also Published As
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|---|---|
| CN103779965A (en) | 2014-05-07 |
| WO2015103883A1 (en) | 2015-07-16 |
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