CN103062432B - Mining intrinsically-safe type electric ball valve - Google Patents
Mining intrinsically-safe type electric ball valve Download PDFInfo
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- CN103062432B CN103062432B CN201310014982.5A CN201310014982A CN103062432B CN 103062432 B CN103062432 B CN 103062432B CN 201310014982 A CN201310014982 A CN 201310014982A CN 103062432 B CN103062432 B CN 103062432B
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Abstract
The invention belongs to the technical field of mining safety equipment and discloses a mining intrinsically-safe type electric ball valve. The mining intrinsically-safe type electric ball valve comprises a sealing cover, a current-limiting working module, a power transmission mechanism, a circuit board, a pair of steel magnets, a base plate, a valve connecting plate, a ball valve device and a cross connector. The sealing cover is arranged on the base plate, the valve connecting plate is fixed on the base plate, the ball valve device is mounted on the valve connecting plate and comprises a valve body, a ball valve and a connecting shaft, the power transmission mechanism comprises a slowdown motor, a pinion and a gearwheel, one end of a gearwheel shaft is mounted on a motor fixing plate, the other end of the gearwheel shaft is connected with one end of the cross connector, the other end of the cross connector is connected with the connecting shaft, a first Hall sensing element and a second Hall sensing element are mounted on the circuit board, and the steel magnets in pair are arranged on the gearwheel. The mining intrinsically-safe type electric ball valve has the advantages that possibility of no explosion protection is avoided, and use safety of the electric ball valve is improved; the problems that two shafts are different in center, and clearance exists between the two shafts can be solved; and the problems of easiness in water leakage, low withstood voltage and large opening and closing torque of the shafts of common ball valves are solved.
Description
Technical field
the invention belongs to mine safety equipment technical field, be specifically related to the moving ball valve of a kind of mining intrinsic safety electro.
Background technique
coal dust is in coal production, to endanger one of maximum hidden danger, in coal production process, for getting working face and the place of respectively transporting coal transfer point etc. and easily producing coal dusts, all prevents dust and dedusting by Auto-water-spray dedusting unit is installed.At present domestic mining Auto-water-spray dedusting unit all adopts the clockwise and anticlockwise work of motor to control opening and closing of electric ball valve, realizes the automation control of atomizing de-dusting with this.As the disclosed one of Chinese invention patent notice of authorization CN102213327B " electric ball valve structure ", in the time that needs are enabled spray, motor forward is to drive electric ball valve to open, the entery and delivery port of ball valve communicates, the spraying tube being connected with the water outlet of ball valve is introduced through the water intake of ball valve in water source, implements spray; Otherwise in the time will closing the passage of ball valve entery and delivery port, motor reversal, stops spray.In the control mode of this motor positive and inverse, in the time that motor stops operating, the counterelectromotive force that motor produces is difficult to discharge, and easily produces electrical equipment spark, thereby has the potential safety hazard that causes that mistake is quick-fried.
in view of above-mentioned prior art, be necessary to be improved, for this reason, the applicant has done useful design, and technological scheme described below produces under this background.
Summary of the invention
the object of the present invention is to provide a kind of mining intrinsic safety electro to move ball valve, its motor rotates along a direction, and the counterelectromotive force producing when motor is stopped operating can be released, and has improved the Security using.
the object of the invention is to reach like this, the moving ball valve of a kind of mining intrinsic safety electro, be characterized in: comprise seal closure, current limliting operational module, power-transmitting unit, circuit board, magnet steel, machine seat board, valve connecting plate, ball-cock device and cross connector, described seal closure is fixed on machine seat board, described current limliting operational module, power-transmitting unit and circuit board are arranged in the cover chamber of described seal closure, described machine seat board is fixed with valve connecting plate on a side side of seal closure dorsad, on described valve connecting plate, ball-cock device is installed, described ball-cock device comprises valve body, be arranged on the ball valve in the valve pocket of valve body and be arranged on the coupling shaft on ball valve, one end of described coupling shaft leans out outside valve body, described current limliting operational module is electrically connected with power-transmitting unit and circuit board respectively, on current limliting operational module, be equipped with the wiring base for receiving external power supply and signal, described power-transmitting unit comprises reducing motor, small gear and gearwheel, described reducing motor is a single retarded speed-adjustable motor, be arranged on motor fixing plate, the motor output shaft of reducing motor is connected with small gear, small gear and gearwheel are intermeshing, the centre of gearwheel has Large Gear Shaft During, what rotated one end of Large Gear Shaft During is arranged in the gearwheel axis hole of offering on motor fixing plate, the other end of Large Gear Shaft During is being connected with one end of cross connector through after machine seat board, the other end of cross connector is through being connected with one end of the coupling shaft on the ball valve of ball-cock device after valve connecting plate, described circuit board is arranged between motor fixing plate and machine seat board, the first hall sensing element and the second hall sensing element are installed on it, described magnet steel has a pair of, be arranged on gearwheel, for answering with described the first hall sensing element and the second hall sensing elements relative.
in a specific embodiment of the present invention, on described seal closure, be also provided with long cable section of ingoing line hole seat, on described long cable section of ingoing line hole seat, screw sealing nut lid, covered the cable entry port offering for communicating with the seat chamber of described sealing wire-feeding hold seat at described sealing nut.
in another specific embodiment of the present invention, in the seat chamber of described long cable section of ingoing line hole seat, be equipped with seal ring, offer equally cable entry port in the axial centre of described seal ring.
in another specific embodiment of the present invention, described current limliting operational module is arranged on motor fixing plate.
also have in a specific embodiment of the present invention, described ball-cock device also comprises a pair of ball bowl and valve gap, a pair of ball bowl is arranged in the valve pocket of valve body and is positioned at the both sides of ball valve, bearing of trend at the valve pocket of valve body one side sets out water hole, opposite side at valve body is fixed with valve gap, on described valve gap, offer the water inlet for being communicated with described valve pocket, described ball valve offers valve opening, offers caulking groove in the centre, top of short transverse in axial centre, be embedded with the other end of coupling shaft in described caulking groove.
in of the present invention and then a specific embodiment, described valve body on upper surface, offer for for the other end of described coupling shaft across and into the coupling shaft axis hole in valve pocket, be outside equipped with the stuffing box gland for being sealed and matched with coupling shaft axis hole at described coupling shaft.
more of the present invention and in a specific embodiment, described machine seat board is fitted with sealing gasket at the position contacting with described seal closure.
in more of the present invention and then a specific embodiment, described current limliting operational module comprises safety fuse cutout RX, microprocessor U1, capacitor C 1～C3, resistance R 1～R9, triode T1～T8 and diode D1, D2, one end of described safety fuse cutout RX connects positive source D+, one end of the other end of safety fuse cutout RX and capacitor C 1, the emitter of triode T5, one end of resistance R 4, one end of resistance R 5, 14 pin of the emitter of triode T6 and microprocessor U1 connect, and be connected to 2 pin of the first hall sensing element on circuit board and 2 pin of the second hall sensing element, the collector electrode of triode T5 is connected with one end of resistance R 8 and the base stage of triode T1, one end of the other end of resistance R 8 and resistance R 1, one end of resistance R 3, 8 of one end of capacitor C 2 and microprocessor U1, 9, 11, 13 pin connect, and as the signal input part DX end of circuit, the other end of resistance R 1 is connected with the base stage of triode T2 and the collector electrode of triode T7, and is connected to 3 pin of the first hall sensing element, the positive pole of the collector electrode of triode T2 and diode D1, the positive pole of diode D2, one end of capacitor C 3, the negative pole of the reducing motor in collector electrode and the power-transmitting unit of triode T4 connects, the collector electrode of the negative pole of diode D1 and triode T1, the negative pole of diode D2, the other end of capacitor C 3, the collector electrode of triode T3 and the positive pole of reducing motor connect, the emitter of triode T1 is connected with the base stage of triode T5 and the other end of resistance R 4, the emitter of triode T3 is connected with the other end of resistance R 5 and the base stage of triode T6, the collector electrode of triode T6 is connected with the base stage of triode T3 and one end of resistance R 9,1 of one end of the other end of resistance R 9 and resistance R 2 and microprocessor U1, 3, 5, 10 pin connect, the base stage of the other end of resistance R 2 and triode T4, the collector electrode of triode T8 connects, and be connected to 3 pin of the second hall sensing element, the emitter of triode T4 is connected with one end of resistance R 7 and the base stage of triode T8, and the emitter of triode T2 is connected with the base stage of triode T7 and one end of resistance R 6, the other end of capacitor C 1, 7 pin of microprocessor U1, the other end of capacitor C 2, the other end of resistance R 3, the emitter of triode T7, the other end of resistance R 6, the other end of resistance R 7, the emitter of triode T8, and 1 pin of the first hall sensing element, 1 pin common ground of the second hall sensing element, meets power cathode D-.
the present invention is owing to having adopted said structure, have advantages of: first, rotate to control the open and close of ball valve along one direction by reducing motor, the counterelectromotive force producing in the time that motor stops operating can be discharged smoothly, avoid losing quick-fried possibility, improve the safety in utilization of electric ball valve, under the coal mine that is applicable to contain coal dust or gas explosion danger, used; Secondly, in reduction gear, in Large Gear Shaft During and ball-cock device, between coupling shaft, adopt cross connector to be connected, can effectively solve the problem that has gap between the different axle center of diaxon and diaxon; The 3rd, described ball valve has adopted low torsion, high voltage bearing structure, solved general ball valve axis easily leak, withstand voltage low, open and close torsion large problem.
Brief description of the drawings
fig. 1 is one embodiment of the invention three-dimensional exploded view.
fig. 2 is the electrical connection graph between current limliting operational module of the present invention, power-transmitting unit and circuit board.
in figure: 1. seal closure, 11. long cable section of ingoing line hole seats, 12. seal rings, 13. sealing nut lids, 131. cable entry ports, 14. first screws; 2. current limliting operational module, 21. wiring bases; 3. power-transmitting unit, 31. reducing motors, 311. motor output shafts, 312. motor fixing plates, 3121. gearwheel axis holes, 32. small gears, 33. gearwheels, 331. Large Gear Shaft During; 4. circuit board, 41. first hall sensing elements, 42. second hall sensing elements; 5. magnet steel; 6. machine seat board, 61. sealing gaskets, 62. first double-screw bolts, 621. first bolts, 63. second double-screw bolts, 631. second bolts; 7. valve connecting plate, 71. axis holes, 72. second screws; 8. ball-cock device, 81. valve bodies, 811. valve pockets, 812. osculums, 82. ball valves, 821. caulking grooves, 822. valve openings, 83. ball bowls, 84. valve gaps, 841. water inlets, 842. the 3rd screws, 85. coupling shaft axis holes, 86. coupling shafts, 861. stuffing box glands; 9. cross connector.
Embodiment
in order to make the public can fully understand technical spirit of the present invention and beneficial effect; claimant will describe in detail the specific embodiment of the present invention below by reference to the accompanying drawings; but claimant is not the restriction to technological scheme to embodiment's description, anyly changes in the form rather than substance and all should be considered as protection scope of the present invention according to the present invention design.
refer to Fig. 1, a kind of mining intrinsic safety electro moves ball valve, comprises seal closure 1, current limliting operational module 2, power-transmitting unit 3, circuit board 4, magnet steel 5, machine seat board 6, valve connecting plate 7, ball-cock device 8 and cross connector 9.Described seal closure 1 is fixed on machine seat board 6 by the first screw 14, and described machine seat board 6 is fitted with sealing gasket 61 at the position contacting with seal closure 1.Described current limliting operational module 2, power-transmitting unit 3 and circuit board 4 are arranged in the cover chamber of described seal closure 1.Described machine seat board 6 is provided with the first double-screw bolt 62 in a side side of seal closure 1 dorsad, the first described double-screw bolt 62 by and the connection realizing between machine seat board 6 and valve connecting plate 7 that screws of the first bolt 621 fix, described valve connecting plate 7 fixes by the second screw 72 and the valve body 81 of described ball-cock device 8.On described seal closure 1, be provided with long cable section of ingoing line hole seat 11, on described long cable section of ingoing line hole seat 11, screw sealing nut lid 13, on described sealing nut lid 13, offer the cable entry port 131 for communicating with the seat chamber of described sealing wire-feeding hold seat 11, the seat of described long cable section of ingoing line hole seat 11 is equipped with seal ring 12 in chamber, offer equally in the centre of seal ring 12 for the cable entry port of described cable entry port 131 concentrics.Described current limliting operational module 2 is fixed on described motor fixing plate 312, for being electrically connected with power-transmitting unit 3 and circuit board 4, is equipped with the wiring base 21 for receiving external power supply and signal on current limliting operational module 2.Described power-transmitting unit 3 comprises reducing motor 31, small gear 32 and gearwheel 33, described reducing motor 31 is a single retarded speed-adjustable motor, be arranged on motor fixing plate 312, the motor output shaft 311 of reducing motor 31 is connected with small gear 32, both are intermeshing for small gear 32 and gearwheel 33, the centre of gearwheel 33 has Large Gear Shaft During 331, what rotated one end of Large Gear Shaft During 331 is arranged in the gearwheel axis hole 3121 of offering on motor fixing plate 312, the other end of Large Gear Shaft During 331 is connected with one end of cross connector 9 after through machine seat board 6, the other end of cross connector 9 is connected with one end of the coupling shaft 86 of ball-cock device 8 after the axis hole 71 through on valve connecting plate 7.Described ball-cock device 8 comprises valve body 81, ball valve 82, a pair of ball bowl 83, valve gap 84 and coupling shaft 86, a pair of ball bowl 83 is arranged in the valve pocket 811 of described valve body 81 and is positioned at the both sides of ball valve 82, bearing of trend at the valve pocket 811 of valve body 81 1 sides sets out water hole 812, opposite side at valve body 81 is fixing with valve gap 84 by the 3rd screw 842, on described valve gap 84, offer the water inlet 841 for being communicated with described valve pocket 811, in the middle of the top of described ball valve 82 short transverses, offer caulking groove 821, axial centre at described ball valve 82 offers valve opening 822.Described valve body 81 offers coupling shaft axis hole 85 on upper surface, on described coupling shaft 86, be provided with stuffing box gland 861, the other end of coupling shaft 86, carrying out setting-in through probeing in valve pocket 811 and with the caulking groove 821 of described ball valve 82 after coupling shaft axis hole 85, makes the seal closure 861 on coupling shaft 86 form and be sealed and matched with coupling shaft axis hole 85 simultaneously.Described circuit board 4 is arranged between motor fixing plate 312 and machine seat board 6, three is fixing by the second bolt 631, specifically: described machine seat board 6 is fixed with the second double-screw bolt 63 on the side side towards seal closure 1, the second described bolt 631 screws at the second double-screw bolt 63 passing after motor fixing plate 312, circuit board 4 and on described machine seat board 6.The first hall sensing element 41 and the second hall sensing element 42 are installed on described circuit board 4, and described magnet steel 5 has a pair of, is arranged on gearwheel 33, for corresponding with described the first hall sensing element 41 and the second hall sensing element 42.
refer to Fig. 2, described current limliting operational module 2 comprises safety fuse cutout RX, microprocessor U1, capacitor C 1～C3, resistance R 1～R9, triode T1～T8 and diode D1, D2, and in the present embodiment, described microprocessor U1 adopts LM4069.One end of described safety fuse cutout RX connects positive source D+, one end of the other end of safety fuse cutout RX and capacitor C 1, the emitter of triode T5, one end of resistance R 4, one end of resistance R 5, 14 pin of the emitter of triode T6 and microprocessor U1 connect, and be connected to 2 pin of the first hall sensing element 41 on circuit board 4 and 2 pin of the second hall sensing element 42, the collector electrode of triode T5 is connected with one end of resistance R 8 and the base stage of triode T1, one end of the other end of resistance R 8 and resistance R 1, one end of resistance R 3, 8 of one end of capacitor C 2 and microprocessor U1, 9, 11, 13 pin connect, and as the signal input part DX end of circuit, the other end of resistance R 1 is connected with the base stage of triode T2 and the collector electrode of triode T7, and is connected to 3 pin of the first hall sensing element 41, the positive pole of the collector electrode of triode T2 and diode D1, the positive pole of diode D2, one end of capacitor C 3, the negative pole of the reducing motor 31 in the collector electrode of triode T4 and power-transmitting unit 3 connects, the collector electrode of the negative pole of diode D1 and triode T1, the negative pole of diode D2, the other end of capacitor C 3, the positive pole of the collector electrode of triode T3 and reducing motor 31 connects, the emitter of triode T1 is connected with the base stage of triode T5 and the other end of resistance R 4, the emitter of triode T3 is connected with the other end of resistance R 5 and the base stage of triode T6, the collector electrode of triode T6 is connected with the base stage of triode T3 and one end of resistance R 9,1 of one end of the other end of resistance R 9 and resistance R 2 and microprocessor U1, 3, 5, 10 pin connect, the base stage of the other end of resistance R 2 and triode T4, the collector electrode of triode T8 connects, and be connected to 3 pin of the second hall sensing element 42, the emitter of triode T4 is connected with one end of resistance R 7 and the base stage of triode T8, and the emitter of triode T2 is connected with the base stage of triode T7 and one end of resistance R 6, the other end of capacitor C 1, 7 pin of microprocessor U1, the other end of capacitor C 2, the other end of resistance R 3, the emitter of triode T7, the other end of resistance R 6, the other end of resistance R 7, the emitter of triode T8, and 1 pin of the first hall sensing element 41, 1 pin common ground of the second hall sensing element 42, meets power cathode D-.
please continue to refer to Fig. 1 and in conjunction with Fig. 2, narrate working principle of the present invention: external cable enters the cover chamber of seal closure 1 through the cable entry port 131 of seal closure 1, be connected with the wiring base 21 on current limliting operational module 2.Current limliting operational module 2 power connections, in the time of signal input part DX end input low potential, triode T2, T3 conducting, reducing motor 31 starts to rotate, and reducing motor 31 drives gearwheel 33 to rotate through small gear 32, when the magnet steel 5 on gearwheel 33 goes to while overlapping with the first hall sensing element 41, triode T2, T3 cut-off, reducing motor 31 stops operating, and the counterelectromotive force of generation discharges by diode D1, D2, and now valve is in closed condition; In the time of signal input part DX end input high petential, triode T1, T4 conducting, reducing motor 31 starts to rotate, when the magnet steel 5 on gearwheel 33 goes to while overlapping with the second hall sensing element 42, triode T1, T4 cut-off, reducing motor 31 stops operating, the counterelectromotive force producing discharges by diode D1, D2, now valve is in open mode, the valve opening 822 of ball valve 82 is communicated with water inlet 841 and water outlet 812, the spraying tube being connected with water outlet 812 is introduced through water intake 841 in water source, implements spray.
Claims (8)
1.
the moving ball valve of a kind of mining intrinsic safety electro, it is characterized in that: comprise seal closure (1), current limliting operational module (2), power-transmitting unit (3), circuit board (4), magnet steel (5), machine seat board (6), valve connecting plate (7), ball-cock device (8) and cross connector (9), described seal closure (1) is fixed on machine seat board (6), described current limliting operational module (2), power-transmitting unit (3) and circuit board (4) are arranged in the cover chamber of described seal closure (1), described machine seat board (6) is fixed with valve connecting plate (7) on a side side of seal closure (1) dorsad, on described valve connecting plate (7), ball-cock device (8) is installed, described ball-cock device (8) comprises valve body (81), be arranged on the ball valve (82) in the valve pocket (811) of valve body (81) and be arranged on the coupling shaft (86) on ball valve (82), one end of described coupling shaft (86) leans out outside valve body (81), described current limliting operational module (2) is electrically connected with power-transmitting unit (3) and circuit board (4) respectively, on current limliting operational module (2), be equipped with the wiring base (21) for receiving external power supply and signal, described power-transmitting unit (3) comprises reducing motor (31), small gear (32) and gearwheel (33), described reducing motor (31) is a single retarded speed-adjustable motor, be arranged on motor fixing plate (312), the motor output shaft (311) of reducing motor (31) is connected with small gear (32), both are intermeshing for small gear (32) and gearwheel (33), the centre of gearwheel (33) has Large Gear Shaft During (331), what rotated one end of Large Gear Shaft During (331) is arranged in the gearwheel axis hole (3121) of offering on motor fixing plate (312), the other end of Large Gear Shaft During (331) is being connected with one end of cross connector (9) through after machine seat board (6), the other end of cross connector (9) is through being connected with one end of the coupling shaft (86) on the ball valve (82) of ball-cock device (8) after valve connecting plate (7), described circuit board (4) is arranged between motor fixing plate (312) and machine seat board (6), the first hall sensing element (41) and the second hall sensing element (42) are installed on it, described magnet steel (5) has a pair of, be arranged on gearwheel (33), for corresponding with described the first hall sensing element (41) and the second hall sensing element (42).
2.
mining intrinsic safety electro according to claim 1 moves ball valve, it is characterized in that being also provided with long cable section of ingoing line hole seat (11) on described seal closure (1), on described long cable section of ingoing line hole seat (11), screw sealing nut lid (13), on described sealing nut lid (13), offered the cable entry port (131) for communicating with the seat chamber of described sealing wire-feeding hold seat (11).
3.
mining intrinsic safety electro according to claim 2 moves ball valve, in the seat chamber of the long cable section of ingoing line hole seat (11) described in it is characterized in that, be equipped with seal ring (12), offer equally cable entry port in the axial centre of described seal ring (12).
4.
mining intrinsic safety electro according to claim 1 moves ball valve, it is characterized in that described current limliting operational module (2) is arranged on motor fixing plate (312).
5.
mining intrinsic safety electro according to claim 1 moves ball valve, it is characterized in that described ball-cock device (8) also comprises a pair of ball bowl (83) and valve gap (84), a pair of ball bowl (83) is arranged in the valve pocket (811) of valve body (81) and is positioned at the both sides of ball valve (82), bearing of trend at the valve pocket (811) of valve body (81) one sides sets out water hole (812), be fixed with valve gap (84) at the opposite side of valve body (81), on described valve gap (84), offer the water inlet (841) for being communicated with described valve pocket (811), described ball valve (82) offers valve opening (822) in the middle of axially, in the middle of the top of short transverse, offer caulking groove (821), in described caulking groove (821), be embedded with the other end of coupling shaft (86).
6.
the moving ball valve of mining intrinsic safety electro according to claim 1 or 5, it is characterized in that described valve body (81) offers for the other end for described coupling shaft (86) across and into the coupling shaft axis hole (85) in valve pocket (811) on upper surface, be outside equipped with the stuffing box gland (861) for being sealed and matched with coupling shaft axis hole (85) at described coupling shaft (86).
7.
mining intrinsic safety electro according to claim 1 moves ball valve, it is characterized in that described machine seat board (6) is fitted with sealing gasket (61) at the position contacting with described seal closure (1).
8.
mining intrinsic safety electro according to claim 1 moves ball valve, it is characterized in that described current limliting operational module (2) comprises safety fuse cutout RX, microprocessor U1, capacitor C 1～C3, resistance R 1～R9, triode T1～T8 and diode D1, D2, one end of described safety fuse cutout RX connects positive source D+, one end of the other end of safety fuse cutout RX and capacitor C 1, the emitter of triode T5, one end of resistance R 4, one end of resistance R 5, 14 pin of the emitter of triode T6 and microprocessor U1 connect, and be connected to 2 pin of the first hall sensing element (41) on circuit board (4) and 2 pin of the second hall sensing element (42), the collector electrode of triode T5 is connected with one end of resistance R 8 and the base stage of triode T1, one end of the other end of resistance R 8 and resistance R 1, one end of resistance R 3, 8 of one end of capacitor C 2 and microprocessor U1, 9, 11, 13 pin connect, as the signal input part DX end of circuit, the other end of resistance R 1 is connected with the base stage of triode T2 and the collector electrode of triode T7, and is connected to 3 pin of the first hall sensing element (41), the positive pole of the collector electrode of triode T2 and diode D1, the positive pole of diode D2, one end of capacitor C 3, the negative pole of the reducing motor (31) in the collector electrode of triode T4 and power-transmitting unit (3) connects, the collector electrode of the negative pole of diode D1 and triode T1, the negative pole of diode D2, the other end of capacitor C 3, the positive pole of the collector electrode of triode T3 and reducing motor (31) connects, the emitter of triode T1 is connected with the base stage of triode T5 and the other end of resistance R 4, the emitter of triode T3 is connected with the other end of resistance R 5 and the base stage of triode T6, the collector electrode of triode T6 is connected with the base stage of triode T3 and one end of resistance R 9,1 of one end of the other end of resistance R 9 and resistance R 2 and microprocessor U1, 3, 5, 10 pin connect, the base stage of the other end of resistance R 2 and triode T4, the collector electrode of triode T8 connects, and be connected to 3 pin of the second hall sensing element (42), the emitter of triode T4 is connected with one end of resistance R 7 and the base stage of triode T8, the emitter of triode T2 is connected with the base stage of triode T7 and one end of resistance R 6, the other end of capacitor C 1, 7 pin of microprocessor U1, the other end of capacitor C 2, the other end of resistance R 3, the emitter of triode T7, the other end of resistance R 6, the other end of resistance R 7, the emitter of triode T8, and 1 pin of the first hall sensing element (41), 1 pin common ground of the second hall sensing element (42), meets power cathode D-.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310014982.5A CN103062432B (en) | 2013-01-16 | 2013-01-16 | Mining intrinsically-safe type electric ball valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310014982.5A CN103062432B (en) | 2013-01-16 | 2013-01-16 | Mining intrinsically-safe type electric ball valve |
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| CN103062432A CN103062432A (en) | 2013-04-24 |
| CN103062432B true CN103062432B (en) | 2014-06-11 |
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| CN104747774B (en) * | 2015-03-28 | 2016-11-30 | 江苏华凯矿业科技有限公司 | Mining intrinsically-safe type electric ball valve |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3334859A (en) * | 1964-10-22 | 1967-08-08 | Ramcon Corp | Valve actuator |
| US3962739A (en) * | 1975-01-16 | 1976-06-15 | Lou Anne Crockett | Bedsheeting arrangement |
| CN201126036Y (en) * | 2007-11-15 | 2008-10-01 | 邹城天盛矿用电气设备有限公司 | Electric ball valve |
| CN201344277Y (en) * | 2008-12-02 | 2009-11-11 | 淄博德贝尔矿山设备有限公司 | Intrinsically safe electrical ball valve |
| CN102213327A (en) * | 2011-06-03 | 2011-10-12 | 江苏华凯矿业科技有限公司 | Electric ball valve structure |
| CN203035997U (en) * | 2013-01-16 | 2013-07-03 | 常熟市通防电器有限公司 | Mineral intrinsically safe electric ball valve |
-
2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3334859A (en) * | 1964-10-22 | 1967-08-08 | Ramcon Corp | Valve actuator |
| US3962739A (en) * | 1975-01-16 | 1976-06-15 | Lou Anne Crockett | Bedsheeting arrangement |
| CN201126036Y (en) * | 2007-11-15 | 2008-10-01 | 邹城天盛矿用电气设备有限公司 | Electric ball valve |
| CN201344277Y (en) * | 2008-12-02 | 2009-11-11 | 淄博德贝尔矿山设备有限公司 | Intrinsically safe electrical ball valve |
| CN102213327A (en) * | 2011-06-03 | 2011-10-12 | 江苏华凯矿业科技有限公司 | Electric ball valve structure |
| CN203035997U (en) * | 2013-01-16 | 2013-07-03 | 常熟市通防电器有限公司 | Mineral intrinsically safe electric ball valve |
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| CN103062432A (en) | 2013-04-24 |
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