CN110805733B - Driving device of valve for nuclear power - Google Patents
Driving device of valve for nuclear power Download PDFInfo
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- CN110805733B CN110805733B CN201911098941.2A CN201911098941A CN110805733B CN 110805733 B CN110805733 B CN 110805733B CN 201911098941 A CN201911098941 A CN 201911098941A CN 110805733 B CN110805733 B CN 110805733B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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- General Engineering & Computer Science (AREA)
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- Ignition Installations For Internal Combustion Engines (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a driving device of a valve for nuclear power, which comprises a cabinet body shell, wherein 12 sets of valve controllers are arranged in the cabinet body shell, 6 sets of valve controllers are arranged in three rows and two rows and are arranged in front inner cavities of the cabinet body shell, 3 sets of valve controllers are arranged in a left inner cavity of the cabinet body shell at equal intervals in one row, and 3 sets of valve controllers are arranged in a right inner cavity of the cabinet body shell at equal intervals in one row; the front inner cavity of the cabinet body shell is provided with a wire slot, a wiring terminal, a handheld igniter and a cabinet body reinforcing rib. The driving device of the valve for nuclear power, provided by the invention, has the advantages of high integration level, small occupied space, convenience in overhaul and maintenance, stable charging performance, low fault rate, convenience in connection with the handheld igniter and convenience and rapidness in operation.
Description
Technical Field
The invention relates to the technical field of valves for nuclear power, in particular to a driving device of a valve for nuclear power.
Background
The AP1000 is a third-generation passive advanced pressurized water reactor nuclear power station developed by American West House company, while a DAS (diverse actuation System) valve driving device is one of key devices for realizing the triggering of a passive system, and along with the rapid development of the autonomous research and development of the third-generation nuclear power equipment in China, the development of a domestic passive system driving device becomes an urgent need, and based on the urgent need, the driving device of the nuclear power valve is provided.
Disclosure of Invention
The invention aims to provide a driving device of a valve for nuclear power, which has the advantages of high integration level, small occupied space, convenience in overhaul and maintenance, stable charging performance, low fault rate, convenience in connection with a handheld igniter and convenience and quickness in operation, and meets the requirements in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a driving device of a valve for nuclear power comprises a cabinet body shell, wherein 12 sets of valve controllers are installed inside the cabinet body shell, 6 sets of valve controllers are arranged in three rows and two rows and are installed in front inner cavities of the cabinet body shell, 3 sets of valve controllers are installed in a left inner cavity of the cabinet body shell at equal intervals in one row, and 3 sets of valve controllers are installed in a right inner cavity of the cabinet body shell at equal intervals in one row; the cabinet body reinforcing rib is fixedly arranged at the bottom end of the cabinet body shell, the handheld igniter is fixedly arranged on the cabinet body reinforcing rib, the wire groove is formed in the cabinet body shell at the upper end of the valve controller, and the wiring terminal is arranged on the cabinet body shell at the upper end of the wire groove; a wiring copper bar and a lightning rod are installed in the inner cavity on the right side of the cabinet body shell, the wiring copper bar is additionally arranged on the cabinet body shell at the upper end of the valve controller, and the lightning rod is additionally arranged on the cabinet body shell at the upper end of the wiring copper bar; the valve controller comprises a valve shell, the periphery of the valve shell is fastened on the shell of a cabinet body by adopting fixing bolts, a rotary button is additionally arranged on the valve shell, a PCB (printed circuit board) is arranged in the valve shell, a main tantalum capacitor bank, a thermistor R4, a charging adjusting resistor R1, a self-discharging adjusting resistor R2, a standby tantalum capacitor bank A, a relay K1, a standby tantalum capacitor bank B, a terminal JP1, a triode Q1, a diode D1, a standby tantalum capacitor bank C, a relay K2, a standby tantalum capacitor bank D, a standby tantalum capacitor bank E and a terminal JP2 are integrated on the PCB, the main tantalum capacitor bank is additionally arranged on the upper side of the PCB, the self-discharging adjusting resistor R2, the charging adjusting resistor R1, the thermistor R4, the triode Q1 and the diode D1 are additionally arranged on the PCB on the inner side of the main tantalum capacitor bank side by side, the self-discharging adjusting resistor R2, the standby tantalum capacitor bank A and the standby tantalum capacitor bank B are additionally arranged on the left side by side of the PCB additionally arranged, the standby tantalum capacitor group C, the standby tantalum capacitor group D and the standby tantalum capacitor group E are arranged on the right side of the PCB side by side, the terminal JP1 and the terminal JP2 are arranged on the lower side of the PCB side by side, and the relay K1 and the relay K2 are arranged in the center of the PCB side by side; the input end of the relay K1 is connected with the 24V direct current output end and is connected with the input end of the diode D1, the output end of the diode D1 is connected with the input end of the charging relay K3, and the output end of the charging relay K3 is connected with the 24V direct current input end; the output end of the relay K1 is connected with the emitter of the triode Q1, the base of the triode Q1 is connected with the input end of the charging adjusting resistor R1, the output end of the charging adjusting resistor R1 is connected with the input end of the thermistor R4, and the output end of the thermistor R4 is connected with the 24V direct current input end; the collector of the triode Q1 is connected to the input end of the diode D3, the output end of the diode D3 is connected to the input end of the capacitor bank Cn and is connected to the input end of the relay K2 and the input end of the self-discharging adjusting resistor R2, the output end of the capacitor bank Cn and the output end of the self-discharging adjusting resistor R2 are connected to the 24V direct current input end, the output end of the relay K2 is connected to the input end of the winding resistor R3, the output end of the winding resistor R3 is connected to the input end of the igniter resistor R0, and the output end of the igniter resistor R0 is connected to the 24V direct current input end; the output end of the capacitor bank Cn is connected to the input end of the diode D2, the output end of the diode D2 is connected to the input end of the igniter relay K4, and the output end of the igniter relay K4 is connected to the input end of the igniter resistor R0.
Preferably, the cabinet outer shell has an outer dimension of 800 × 600 × 2000mm and is made of a cold-rolled steel plate with a thickness of 3 mm.
Preferably, the valve controller has a valve housing size of 300 x 350 x 200 mm.
Preferably, the hand-held igniter is powered by a direct-current 18.5V lithium battery.
Preferably, the spare tantalum capacitor group a, the spare tantalum capacitor group B, the spare tantalum capacitor group D and the spare tantalum capacitor group E are single-layer tantalum capacitor groups, the main tantalum capacitor group is a double-layer tantalum capacitor group, and the spare tantalum capacitor group a, the spare tantalum capacitor group B, the spare tantalum capacitor group D, the spare tantalum capacitor group E and the main tantalum capacitor group all adopt AVX solid tantalum capacitors with a capacity of 100 UF/35V.
Compared with the prior art, the invention has the beneficial effects that: the driving device of the nuclear power valve ingeniously combines a plurality of elements together, is compact in structure, high in integration level and small in occupied space, the charge-discharge circuit adopts the relays K1 and K2 to realize functional interlocking, the layout of the components is reasonable, six valve controllers are arranged in three rows and two columns and are provided with front inner cavities of the cabinet body shell, the three valve controllers are arranged in the left inner cavity of the cabinet body shell at equal intervals in one row, the three valve controllers are arranged in the right inner cavity of the cabinet body shell at equal intervals in one row and are distributed in three layers, the interval between each layer is 150mm, and the driving device is convenient to overhaul and maintain; the standby tantalum capacitor group A, the standby tantalum capacitor group B, the standby tantalum capacitor group D, the standby tantalum capacitor group E and the main tantalum capacitor group are all AVX solid tantalum capacitors, so that the charging and discharging performance is stable, and the failure rate is low; 12 valve controllers are additionally arranged in a cabinet body shell, the whole system is tightly installed and combined together, and the shock resistance is good; the wiring terminal adopts a quick plug-in type wiring terminal, so that the handheld igniter is convenient to insert, and the operation is quick and convenient; the portable igniter has the advantages of high integral level, small occupied space, convenience in overhauling and maintaining, stable charging performance, low fault rate, convenience in inserting the handheld igniter and convenience and rapidness in operation.
Drawings
FIG. 1 is a main sectional view of the present invention;
FIG. 2 is a left side elevation view of the present invention;
FIG. 3 is a right side cross-sectional view of the present invention;
FIG. 4 is a top view of the valve controller of the present invention;
FIG. 5 is a schematic diagram of a PCB structure of the present invention;
FIG. 6 is a circuit diagram of the valve controller of the present invention;
FIG. 7 is a timing diagram of the valve controller of the present invention.
In the figure: 1. a cabinet housing; 2. a valve controller; 3. a wire slot; 4. a wiring terminal; 5. a hand held igniter; 6. reinforcing ribs of the cabinet body; 7. a wiring copper bar; 8. a lightning rod; 9. a valve housing; 10. fixing the bolt; 11. rotating the button; 12. a PCB board; 13. a main tantalum capacitor bank; 14. a thermistor R4; 15. a charge regulation resistor R1; 16. a self-discharge regulating resistor R2; 17. a standby tantalum capacitor bank A; 18. a relay K1; 19. a standby tantalum capacitor bank B; 20. terminal JP 1; 21. a transistor Q1; 22. a diode D1; 23. a standby tantalum capacitor bank C; 24. a relay K2; 25. a standby tantalum capacitor bank D; 26. a standby tantalum capacitor bank E; 27. terminal JP 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a driving device for a nuclear power valve includes a cabinet housing 1, the cabinet housing 1 has an external dimension of 800 × 600 × 2000mm, is made of a 3mm thick cold-rolled steel plate, and has high strength and strong shock resistance, 12 sets of valve controllers 2 are installed inside the cabinet housing 1, the size of the valve housings 9 of the valve controllers 2 is 300 × 350 × 200mm, six valve controllers 2 are arranged in three rows and two rows and are installed in front inner cavities of the cabinet housing 1, three valve controllers 2 are installed in left inner cavities of the cabinet housing 1 at equal intervals in one row, and three valve controllers 2 are installed in right inner cavities of the cabinet housing 1 at equal intervals in one row; a wire slot 3, a wiring terminal 4, a handheld igniter 5 and a cabinet body reinforcing rib 6 are installed in the inner cavity in the front side of the cabinet body shell 1, the cabinet body reinforcing rib 6 is fixedly installed at the bottom end of the cabinet body shell 1, the handheld igniter 5 is fixedly installed on the cabinet body reinforcing rib 6, the handheld igniter 5 is powered by a direct-current 18.5V lithium battery, the wire slot 3 is arranged on the cabinet body shell 1 at the upper end of the valve controller 2, and the wiring terminal 4 is installed on the cabinet body shell 1 at the upper end of the wire slot 3; a wiring copper bar 7 and a lightning rod 8 are installed in the inner cavity on the right side of the cabinet body shell 1, the wiring copper bar 7 is additionally installed on the cabinet body shell 1 at the upper end of the valve controller 2, and the lightning rod 8 is additionally installed on the cabinet body shell 1 at the upper end of the wiring copper bar 7; the valve controller 2 comprises a valve shell 9, the periphery of the valve shell 9 is fastened on a cabinet body shell 1 by adopting fixing bolts 10, a rotary button 11 is additionally arranged on the valve shell 9, a PCB 12 is arranged in the valve shell 9, a main tantalum capacitor bank 13, a thermistor R4-14, a charging adjusting resistor R1-15, a self-discharging adjusting resistor R2-16, a standby tantalum capacitor bank A17, a relay K1-18, a standby tantalum capacitor bank B19, a terminal JP1-20, a triode Q1-21, a diode D1-22, a standby tantalum capacitor bank C23, a relay K2-24, a standby tantalum capacitor bank D25, a standby tantalum capacitor bank E26 and a terminal JP2-27 are integrated on the PCB 12, wherein the standby tantalum capacitor bank A17, the standby tantalum capacitor bank B19, the standby tantalum capacitor bank D25 and the standby tantalum capacitor bank E26 are single-layer tantalum capacitor banks, and the main tantalum capacitor bank 13 is a double-layer tantalum capacitor bank, the spare tantalum capacitor group A17, the spare tantalum capacitor group B19, the spare tantalum capacitor group D25, the spare tantalum capacitor group E26 and the main tantalum capacitor group 13 all adopt AVX solid tantalum capacitors, and the capacity is 100 UF/35V. The capacitor bank Cn (the main tantalum capacitor bank 13, the standby tantalum capacitor bank a17, the standby tantalum capacitor bank B19, the standby tantalum capacitor bank C23, the standby tantalum capacitor bank D25 and the standby tantalum capacitor bank E26 are collectively referred to as the capacitor bank Cn) is used for storing electric energy and providing electric energy for the rear-end hand-held igniter 5; the main tantalum capacitor bank 13 is additionally arranged on the upper side of the PCB 12, the self-discharge adjusting resistor R2-16, the charge adjusting resistor R1-15, the thermistor R4-14, the triode Q1-21 and the diode D1-22 are additionally arranged on the PCB 12 on the inner side of the main tantalum capacitor bank 13 in parallel, the self-discharge adjusting resistor R2-16, the spare tantalum capacitor bank A17 and the spare tantalum capacitor bank B19 are additionally arranged on the left side of the PCB 12 in parallel, the spare tantalum capacitor bank C23, the spare tantalum capacitor bank D25 and the spare tantalum capacitor bank E26 are additionally arranged on the right side of the PCB 12 in parallel, the terminal JP1-20 and the terminal JP2-27 are additionally arranged on the lower side of the PCB 12 in parallel, and the relays K1-18 and the relays K2-24 are additionally arranged in the center of the PCB 12 in parallel; the input end of the relay K1-18 is connected with the 24V direct current output end and is connected with the input end of the diode D1-22, the output end of the diode D1-22 is connected with the input end of the charging relay K3, and the output end of the charging relay K3 is connected with the 24V direct current input end; the output end of the relay K1-18 is connected with the emitter of the triode Q1-21, the base of the triode Q1-21 is connected with the input end of the charging adjusting resistor R1-15, the output end of the charging adjusting resistor R1-15 is connected with the input end of the thermistor R4-14, and the output end of the thermistor R4-14 is connected with the 24V direct current input end; the collector of the triode Q1-21 is connected to the input end of the diode D3, the output end of the diode D3 is connected to the input end of the capacitor bank Cn and is connected to the input end of the relay K2-24 and the input end of the self-discharging adjusting resistor R2-16, the output end of the capacitor bank Cn and the output end of the self-discharging adjusting resistor R2-16 are connected to the 24V direct current input end, the output end of the relay K2-24 is connected to the input end of the winding resistor R3, the output end of the winding resistor R3 is connected to the input end of the igniter resistor R0, and the output end of the igniter resistor R0 is connected to the 24V direct current input end; the output terminal of the capacitor group Cn is connected to the input terminal of the diode D2, the output terminal of the diode D2 is connected to the input terminal of the igniter relay K4, and the output terminal of the igniter relay K4 is connected to the input terminal of the igniter resistor R0.
Timing diagram of valve controller 2: the valve controller 2 receives ARM and ACTUATE signals, in order to drive a valve, firstly, the ARM signal is received and lasts for at least 1s, the action enables a relay K1-18 inside the valve controller 2 to be electrified, a K1a contact is closed, a K1B contact is opened, a standby tantalum capacitor bank A17, a standby tantalum capacitor bank B19, a standby tantalum capacitor bank D25, a standby tantalum capacitor bank E26 and a main tantalum capacitor bank 13 are isolated from a handheld igniter 5, the capacitor bank Cn is allowed to be charged, after the ARM signal is opened, the relay K1-18 is powered off, the K1a contact is opened, the K1B contact is closed, the capacitor bank Cn is charged, 30.05s after the ARM signal is opened (considering that the relay K1-18 delays 50ms caused by contact jitter aging) receives the ACTUATE signal, the action enables a relay K2-24 inside the valve controller 2 to be electrified, the K2a contact is opened, the K2B contact is closed, and the charged capacitor bank Cn is electrically connected with the valve controller 2, and the capacitor bank Cn discharges to provide current with the duration time of more than or equal to 10ms and more than or equal to 3.7A, so as to supply power for the handheld igniter 5 to work.
The working principle of the hand-held igniter 5 is as follows: hand-held point firearm 5 adopts the direct current 18.5V lithium cell as the power, and the panel sets up start-stop button and alarm lamp, and a return circuit is constituteed with some firearm resistance R0 to power, button, alarm lamp, and when valve controller 2 became invalid, can drive the valve through hand-held point firearm 5, and hand-held point firearm 5 is the movable, has the joint that charges and the joint of igniting, through quick-operation joint and the interior wiring terminal 4 quick connection of valve drive arrangement during the use.
The working principle of the valve controller 2 is as follows: the ARM signal, a diode D1-22 and a charging relay K3 form a series circuit, the positive electrode of the ARM signal is connected with a normally open contact K1a of a relay K1-18 in series, then connected with a normally closed contact K2a of a relay K2-24 and finally connected to an emitter of a triode Q1-21, the base of the triode Q1-21, a charging adjusting resistor R1-15 and a thermistor R4-14 form a temperature control adjusting circuit, the triode Q1-21 and the thermistor R4-14 form a charging temperature compensation circuit, the condition that the valve controller 2 outputs stable point current to the handheld igniter 5 under the working condition of 10-46 setting degrees is met, the collector of the triode Q1-21 is connected with a diode D3, and the charging circuit is formed by the diode D3 and the capacitor group Cn. The self-discharge adjusting resistor R2-16 is connected with a normally closed contact K1b of the relay K1-18, and then connected with a normally open contact K2b of the relay K2-24, a line resistor R3 and an igniter resistor R0 to form a discharge loop in series.
And (3) charging process: the ARM has a signal, the relay K1-18 is powered on at the moment, the relay K2-24 is not powered on, the ARM signal charges the capacitor bank Cn through the normally open contact K1a, the normally closed contact K2a, the triode Q1-21 and the diode D3, meanwhile, the normally closed contact K1b is disconnected, the capacitor bank Cn is disconnected with a load and cannot discharge to the load, the ARM signal (the duration is not less than 1S), and after disconnection, the charging process is finished.
And (3) ignition process: after the ARM signal is disconnected, in 30S, the relay K2-24 is electrified, the relay K1-18 is not electrified, at the moment, the capacitor bank Cn ignites the valve through the normally open contact K2b and the normally closed contact K1b, meanwhile, the normally closed contact K2a is disconnected, the charging loop is disconnected with the capacitor bank Cn, the capacitor bank Cn cannot be charged in the discharging process, and the charging and ignition processes are interlocked through the contacts of the relay K1-18 and the relay K2-24.
In conclusion, the driving device of the nuclear power valve skillfully combines a plurality of systems together, has a compact structure, high integration level and small occupied space, the charge and discharge loop adopts the relays K1-18 and K2-24 to realize functional interlocking, and each component is reasonably arranged, six valve controllers 2 are arranged in three rows and two columns and are provided with the front inner cavity of the cabinet body shell 1, three valve controllers 2 are arranged in one row at equal intervals in the left inner cavity of the cabinet body shell 1, three valve controllers 2 are arranged in one row at equal intervals in the right inner cavity of the cabinet body shell 1 and are arranged in three layers, the interval of each layer is 150mm, and the driving device is convenient to overhaul and maintain; the spare tantalum capacitor bank A17, the spare tantalum capacitor bank B19, the spare tantalum capacitor bank D25, the spare tantalum capacitor bank E26 and the main tantalum capacitor bank 13 all adopt AVX solid tantalum capacitors, so that the charging and discharging performance is stable, and the failure rate is low; 12 valve controllers 2 are additionally arranged in a cabinet body shell 1, the whole system is tightly installed and combined together, and the cabinet body shell 1 is made of a cold-rolled steel plate with the thickness of 3mm, so that the strength is high, and the shock resistance is good; the wiring terminal 4 adopts a quick plug-in type wiring terminal, so that the hand-held igniter 5 can be conveniently connected, and the operation is quick and convenient; the integrated level is high, and occupation space is little, and the maintenance of being convenient for is overhauld and is maintained, and the performance that charges is stable, and the fault rate is low, is convenient for insert hand-held igniter 5, and convenient operation is swift.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A drive arrangement of valve for nuclear power, its characterized in that: the intelligent control cabinet comprises a cabinet body shell (1), wherein 12 sets of valve controllers (2) are installed inside the cabinet body shell (1), six valve controllers (2) are arranged in three rows and two rows and are installed in a front inner cavity of the cabinet body shell (1), three valve controllers (2) are arranged in a left inner cavity of the cabinet body shell (1) at equal intervals in one row, and three valve controllers (2) are arranged in a right inner cavity of the cabinet body shell (1) at equal intervals in one row; the front inner cavity of the cabinet body shell (1) is provided with a wire slot (3), a wiring terminal (4), a handheld igniter (5) and a cabinet body reinforcing rib (6), the cabinet body reinforcing rib (6) is fixedly arranged at the bottom end of the cabinet body shell (1), the handheld igniter (5) is fixedly arranged on the cabinet body reinforcing rib (6), the wire slot (3) is arranged on the cabinet body shell (1) at the upper end of the valve controller (2), and the wiring terminal (4) is arranged on the cabinet body shell (1) at the upper end of the wire slot (3); a wiring copper bar (7) and a lightning rod (8) are installed in the inner cavity of the right side of the cabinet body shell (1), the wiring copper bar (7) is installed on the cabinet body shell (1) at the upper end of the valve controller (2), and the lightning rod (8) is installed on the cabinet body shell (1) at the upper end of the wiring copper bar (7); the valve controller (2) comprises a valve shell (9), the periphery of the valve shell (9) is fastened on a cabinet body shell (1) through fixing bolts (10), a rotary button (11) is additionally arranged on the valve shell (9), a PCB (12) is arranged in the valve shell (9), a main tantalum capacitor bank (13), a thermistor R4(14), a charging adjusting resistor R1(15), a self-discharging adjusting resistor R2(16), a standby tantalum capacitor bank A (17), a relay K1(18), a standby tantalum capacitor bank B (19), a terminal JP1(20), a triode Q1(21), a diode D1(22), a standby tantalum capacitor bank C (23), a relay K2(24), a standby tantalum capacitor bank D (25), a standby tantalum capacitor bank E (26) and a terminal JP2(27) are integrated on the PCB (12), and the main tantalum capacitor bank (13) is additionally arranged on the upper side of the PCB (12), the automatic discharging control circuit comprises a self-discharging control resistor R2(16), a charging control resistor R1(15), a thermistor R4(14), a triode Q1(21) and a diode D1(22) which are arranged on a PCB (12) on the inner side of a main tantalum capacitor bank (13) side by side, a self-discharging control resistor R2(16), a standby tantalum capacitor bank A (17) and a standby tantalum capacitor bank B (19) which are arranged on the left side of the PCB (12) side by side, a standby tantalum capacitor bank C (23), a standby tantalum capacitor bank D (25) and a standby tantalum capacitor bank E (26) which are arranged on the right side of the PCB (12) side by side, a terminal JP1(20) and a terminal JP2(27) which are arranged on the lower side of the PCB (12) side by side, and a relay K1(18) and a relay K2(24) which are arranged on the center of the PCB (12) side by side; the input end of the relay K1(18) is connected with the 24V direct current output end and is connected with the input end of the diode D1(22), the output end of the diode D1(22) is connected with the input end of the charging relay K3, and the output end of the charging relay K3 is connected with the 24V direct current input end; the output end of the relay K1(18) is connected with the emitter of the triode Q1(21), the base of the triode Q1(21) is connected with the input end of the charging adjusting resistor R1(15), the output end of the charging adjusting resistor R1(15) is connected with the input end of the thermistor R4(14), and the output end of the thermistor R4(14) is connected with the 24V direct current input end; the collector of the triode Q1(21) is connected to the input end of the diode D3, the output end of the diode D3 is connected to the input end of the capacitor bank Cn and is connected to the input end of the relay K2(24) and the input end of the self-discharging adjusting resistor R2(16), the output end of the capacitor bank Cn and the output end of the self-discharging adjusting resistor R2(16) are connected to the 24V direct current input end, the output end of the relay K2(24) is connected to the input end of the winding resistor R3, the output end of the winding resistor R3 is connected to the input end of the igniter resistor R0, and the output end of the igniter resistor R0 is connected to the 24V direct current input end; the output end of the capacitor bank Cn is connected to the input end of the diode D2, the output end of the diode D2 is connected to the input end of the igniter relay K4, and the output end of the igniter relay K4 is connected to the input end of the igniter resistor R0.
2. The driving device of a valve for nuclear power as claimed in claim 1, wherein: the cabinet body shell (1) has the external dimension of 800 x 600 x 2000mm and is made of a cold-rolled steel plate with the thickness of 3 mm.
3. The driving device of a valve for nuclear power as claimed in claim 1, wherein: the valve housing (9) of the valve controller (2) has a size of 300 x 350 x 200 mm.
4. The driving device of a valve for nuclear power as claimed in claim 1, wherein: the handheld igniter (5) is powered by a direct-current 18.5V lithium battery.
5. The driving device of a valve for nuclear power as claimed in claim 1, wherein: spare tantalum capacitor group A (17), spare tantalum capacitor group B (19), spare tantalum capacitor group D (25) and spare tantalum capacitor group E (26) are single-layer tantalum capacitor groups, main tantalum capacitor group (13) is double-layer tantalum capacitor groups, spare tantalum capacitor group A (17), spare tantalum capacitor group B (19), spare tantalum capacitor group D (25), spare tantalum capacitor group E (26) and main tantalum capacitor group (13) all adopt AVX solid tantalum capacitors, and the capacity is 100 UF/35V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911098941.2A CN110805733B (en) | 2019-11-12 | 2019-11-12 | Driving device of valve for nuclear power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911098941.2A CN110805733B (en) | 2019-11-12 | 2019-11-12 | Driving device of valve for nuclear power |
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| CN110805733A CN110805733A (en) | 2020-02-18 |
| CN110805733B true CN110805733B (en) | 2021-12-07 |
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| CN107002583A (en) * | 2014-12-08 | 2017-08-01 | 日立汽车***株式会社 | The fuel control unit of internal combustion engine |
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| JPS5921920A (en) * | 1982-07-28 | 1984-02-04 | Matsushita Electric Ind Co Ltd | Controller of burning device |
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| CN2204940Y (en) * | 1994-05-25 | 1995-08-09 | 刘永才 | Automatic multifunctional gas burner |
| CN1156503A (en) * | 1994-08-23 | 1997-08-06 | 博施-西门子家用器具有限公司 | Circuit for operation of electrically actuated magnet valve |
| CN201811442U (en) * | 2010-09-10 | 2011-04-27 | 广东万和新电气股份有限公司 | Drive circuit of main electromagnetic valve of gas water heater |
| CN202182239U (en) * | 2011-08-16 | 2012-04-04 | 海尔集团公司 | Strong current valve circuit control device of gas appliance |
| CN203868470U (en) * | 2014-06-06 | 2014-10-08 | 辽东学院 | Energy-saving driving device of electromagnetic valve |
| CN107002583A (en) * | 2014-12-08 | 2017-08-01 | 日立汽车***株式会社 | The fuel control unit of internal combustion engine |
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| CN110805733A (en) | 2020-02-18 |
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