CN102650856B - Remote operation controller in switch of intrinsically safe high-low pressure feeder equipment - Google Patents
Remote operation controller in switch of intrinsically safe high-low pressure feeder equipment Download PDFInfo
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- CN102650856B CN102650856B CN201210165797.1A CN201210165797A CN102650856B CN 102650856 B CN102650856 B CN 102650856B CN 201210165797 A CN201210165797 A CN 201210165797A CN 102650856 B CN102650856 B CN 102650856B
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Abstract
The invention relates to a remote operation controller in the switch of intrinsically safe high-low pressure feeder equipment, which comprises an organic glass shell, a printed circuit board, an input-output connection wire of the remote operation controller, a 16-pin plug and a socket, wherein the printed circuit board of the remote operation controller in the switch of the intrinsically safe high-low pressure feeder equipment is mounted in the organic glass shell; the 16-pin plug is connected with an external control component; and the plug and the socket are mounted and fixed on the organic glass shell. The remote operation controller is characterized in that the circuit of the remote operation controller in the switch of the intrinsically safe high-low pressure feeder equipment comprises a direct current and pulse power source circuit, a grounding protection circuit, and a pulse control closing and opening circuit, a pulse control reset circuit and a signal feedback indication circuit connected in parallel on the pulse power source circuit. The remote operation controller is long in control distance, strong in anti-interference ability, is locked immediately after a control loop is short-circuited to prevent the maloperation, and can be used not only in the underground coal mines but also for ground electric power systems widely.
Description
Technical field
The invention belongs to appliance remote control device, specifically in the flame-proof type high-voltage explosion-proof formula device under coal mine, the essential safe type operated from a distance controller in flame-proof type low-voltage feeder switch and in ground high and low voltage electric distribution device cabinet.
Technical background
At present, though in the high pressure protector of the mining flame-proof that existing all explosion-proof electric apparatus company produces and all do not install in flame-proof type low-voltage feeder switch that effector is controlled in operated from a distance even have distant place tripping function in the intelligent feeding switch of flame-proof type, but its distance maximum is no more than 1000 meters, as thought, far a bit relay amplifier must be installed again, and be that every more than 1000 meters, by a relay amplifier, so too complex fault point is also many again, because this reason is a central monitoring position with regard to the Surveillance center in colliery, not having plays the game pinpoints the problems and carries out the effect controlled fast, be difficult to realize veritably the object of safe power supply safety in production.
Though each transformer station in ground electric system has realized remote-operated object, what it adopted is that optical cable is controlled, and advantage is many, involves great expense, and maintenance difficulty is also larger, is not suitable for the geographical environment under coal mine.
Summary of the invention
The object of the invention is, for improving safety in production, the safe power supply in colliery, provides a kind of control electric current little, and the operated from a distance controller of central controlled essential safe type high-low pressure feeder equipment that can overlength distance.
Technical scheme of the present invention is such:
Essential safe type high-low pressure fed remote operation control, comprise organic glass shell, the printed circuit board (PCB) of the essential safe type high-low pressure feeder equipment operated from a distance controller filling in shell, 16 n pin package ns and socket that the input of this operated from a distance controller, output connecting line are connected with outside control components and parts, described plug and socket is fixed on shell; The circuit of the operated from a distance controller of this essential safe type high-low pressure feeder equipment, comprises direct current and pulse power supply circuit, ground protection circuit and is connected in parallel on pulse control combined floodgate and opening circuit, pulse control reset circuit and the signal feedback indicating circuit on pulse power supply circuit.It is characterized in that:
Direct current and pulse power supply circuit
By one end of external communication 36V voltage and A3 pin one end of socket controller, joined, the other end of socket A3 pin is inserted mutually with plug A3 pin, and the other end of plug A3 pin welds mutually through connecting line and the A3 hole of printed-wiring board (PWB).Type metal circuit on A3 hole welds mutually with one end of fuse FU, and the other end of fuse FU joins through one end of the primary line bag of type metal line and power transformer KB; Another line of external communication 36V and the B3 pin of controller join, the other end of the B3 pin of controller is inserted mutually with plug B3 pin, the other end of plug B3 pin welds mutually through connecting line and the B3 wiring hole on printed-wiring board (PWB), the type metal line of B3 wiring hole joins with another line of 36V that exchanges of the primary side of power transformer KB, has completed the input of outside 36V alternating current.
The output AC power source of KB level of power transformer, output two ends a, b voltage is 15V, one end of the AC power of output terminal a and rectifier bridge ZL joins, the other end of the alternating current source of output terminal b and rectifier bridge ZL joins, rectifier bridge ZL is that to this controller, to provide the voltage of direct supply be DC12V-13V, the output terminal b of secondary 15V AC power of power transformer and one end of the adjustable compensation resistance of command range distance join simultaneously, the other end of adjustable distance compensating resistance joins through the A1 of type metal line and printed panel wiring hole, A1 wiring hole joins through the A1 of connecting line and plug pin, the A1 pin other end of plug is inserted mutually with the A1 hole of socket, socket A1 pin and outside control line join.The positive pole of the detector diode D0 of the other end of control line and control terminal joins, detected the pulse voltage of forward 6.5V, output a end, through the negative terminal output pulse negative pole of rectifier bridge ZL, forms direct impulse power supply, and direct impulse power supply is to provide pulsed operation power supply to three control circuits;
Combined floodgate circuit is controlled in pulse
Pulse is controlled combined floodgate circuit containing power transformer KB rectifier bridge ZL metallic resistance R1, adjustable resistance R2, carbon resister R3; light emitting diode D1, afterflow capacitor C 1, current-limiting resistance R4, R5; triode V1, protection diode D3, D4, solid-state relay J1; pulse power output line A1, plug A1 pin, socket A1 pin; pulse power input line B1, plug B1 pin, the moving together contact J11 of solid-state relay J1; dynamic circuit connector static contact J12, plug A6, B6 pin, socket A6, B6 pin.One end of one end of the A3 terminal of described power transformer KB and outside 36V power supply joins, and one end of the other end of A3 terminal and fuse FU joins, and one end of the power input line of the other end of fuse FU and power transformer KB joins.Exchanging another line of 36V external power source and another power lead of power transformer KB joins, the a line of secondary output 15V AC power and the input one end that exchanges of rectifier bridge ZL of power transformer KB join, the b line of secondary output 15V AC power joins with the input other end that exchanges of rectifier bridge ZL, one end of the negative pole end of rectifier bridge ZL and main current-limiting resistance R1 joins, the other end of metallic resistance R1 and direct current negative pole output line join, the b line of secondary output AC 15V of power transformer KB and one end of adjustable resistance and adjustment simultaneously held and connects, the other end of adjustable resistance and wiring board output connection A1 hole join.A1 hole and plug A1 pin join.The other end of plug A1 pin is inserted mutually with socket A1 pin, the other end and the external control line of socket A1 pin join, and the other end of control line and the diode cathode of control desk join, the negative pole end output direct impulse signal of diode, for combined floodgate, separating brake, reset control wave power supply is provided.One end and the DC source negative line of current limliting carbon resister R3 are joined, the other end of current limliting carbon resister R3 and the negative pole end of light emitting diode D1 join, the direct-flow positive pole output line of the positive terminal of light emitting diode and rectifier bridge ZL joins, the negative pole of afterflow capacitor C 1 and direct current negative line are joined, one end of the positive pole of afterflow capacitor C 1 and the R4 of current-limiting resistance joins, the other end of current-limiting resistance R4 and the B1 wiring hole on wiring board join, B1 wiring hole also joins with B1 pin one end of plug by connecting line, the other end of plug B1 pin is inserted mutually with the jack of socket B1 pin, another pin of socket and outside control line join.The line of the positive pole of one end of current-limiting resistance R5 and capacitor C 1 and current-limiting resistance R4 joins, the base stage of the other end of current-limiting resistance R5 and triode V1 is joined, the transmitter of triode V1 and DC power cathode connecting line join, one end of the collector of triode V1 and solid-state relay J1 line bag J10 joins, the other end and the DC power anode of solid-state relay J1 line bag J10 join, protection diode D3, the collector of D4 positive terminal and triode V1 joins, protection diode D3, the negative pole end of D4 and the positive pole of direct supply join, the output wiring terminal of the moving together contact J11 of solid-state relay J1 is connected in series mutually with the A6 pin of the plugs and sockets of controller, the output wiring terminal of the dynamic circuit connector static contact J12 of solid-state relay J1 is connected in series mutually with the plugs and sockets B6 pin of controller.
Opening circuit is controlled in pulse.
Pulse is controlled opening circuit and is comprised: the B4B7A7 wiring pin of plug, socket B2 pin, current-limiting resistance R6, afterflow capacitor C 2, current-limiting resistance R7, transistor V2, protection diode D5D6, solid-state relay J2, plugs and sockets.Described plug, socket B2 pin is connected in series mutually with current-limiting resistance R6, the other end of current-limiting resistance R6 is with the positive pole of afterflow capacitor C 2 and R7 one end phase of current-limiting resistance and connect, the negative pole of afterflow capacitor C 2 and the negative pole of direct supply join, the base stage of the other end of current-limiting resistance R7 and transistor V2 is joined, transmitter and the DC power cathode of transistor V2 join, one end of the line bag J20 of the collector of transistor V2 and solid-state relay J2 joins, the other end of line bag J20 and the positive pole of direct supply join, the outlet terminal of the dynamic circuit breaker static contact J21 of solid-state relay J2 is connected in series mutually with the plugs and sockets B4 pin of controller, the moving contact J23 outlet terminal of solid-state relay J2 is connected in series mutually with the plugs and sockets B7 pin of controller, the output wiring terminal of the dynamic circuit connector static contact J22 of solid-state relay J2 is connected in series mutually with the plugs and sockets A7 pin of controller.
Pulse is controlled reset circuit pulse and is controlled reset circuit containing plugs and sockets B3 pin, current-limiting resistance R8, afterflow capacitor C 3, current-limiting resistance R9, transistor V3, protection diode D7, D8, the A8B8 wiring pin of solid-state relay J3 plugs and sockets.
Described socket and plug B3 pin is connected in series mutually with one end of current-limiting resistance R8, join with the other end of R8 and the positive pole of afterflow capacitor C 3, the negative pole of afterflow capacitor C 3 and the negative pole of direct supply join, the connecting line phase of one end of current-limiting resistance R9 and afterflow capacitor C 3 and current-limiting resistance R8 also connects, the other end of current-limiting resistance R9 and the base stage of transistor are joined, the transmitter of transistor and the negative pole of direct supply join, one end of the collector of transistor and solid-state relay J3 line bag J30 joins, the other end of solid-state relay J3 line bag J30 and the positive pole of direct supply join, protection diode D7, one end of the positive pole of D8 and line bag J30 joins, protection diode D7, the negative pole of D8 and the positive pole of direct supply join, the plugs and sockets B8 pin of solid-state relay J3 moving together contact J31 terminals and controller joins, the outlet terminal of the dynamic circuit connector static contact J32 of solid-state relay J3 is connected in series mutually with the plugs and sockets A8 pin of controller.
Signal feedback indicating circuit
The socket plug A2 pin that signal indicating circuit comprises controller, the forward current of anti-outside other circuit flows into diode D2 DC power anode negative pole, current-limiting resistance R10, controller plugs and sockets A4 pin.Described socket controller plug A2 pin is the cathode output end of direct supply 12V and the forward of anti-outside other circuit.The negative pole that electric current flows into diode D2 joins, and the positive pole of diode D2 and the positive pole of direct supply join, and one end of current-limiting resistance R10 and the negative pole of direct supply join, and the other end of current-limiting resistance R10 welds mutually with the A4 wiring hole of wiring board.A4 wiring hole is connected in series mutually with the plugs and sockets A4 pin of controller, forms the negative power supply output terminal of direct supply, is the negative power supply of signal lamp light emitting diode, and the cathode voltage of light emitting diode lamp is exported by the socket A2 pin of controller.
Ground protection circuit
Described ground protection circuit welds mutually containing the B5 wiring hole of the metal shell printed-wiring board (PWB) of power transformer KB.B5 wiring hole is also connected in series output mutually with the plugs and sockets B5 pin of controller.
Described plug and socket are the parts of a grafting, and the biserial type form of plug and socket, has A1-A8 pin and B1-B8 pin, realize the operated from a distance of the feeder equipment switch of high-low pressure and control function.
Essential safe type high-low pressure feeder equipment switch operated from a distance controller of the present invention is not also found like product in existing technical field.There is following substantive distinguishing features and remarkable result.
(1) the highest open circuit pulse voltage of this controller is no more than 6.5V.
(2) maximum short circuit current is limited in and is not more than 100mA.
(3) control loop electric current is less than 0.2mA.
(4) 0-300 kilometers of command ranges (the control cables 39 Ω/㎞ that press 0.5 square millimeter of KYYP2 type sheath shielding calculate).
(5) locking immediately after control loop short circuit can move just now after short circuit is processed in normal running, has the function of the malfunction of preventing.
(6) antijamming capability is strong, is not subject to capacitor and inductor electrostatic interference in limited distance.
(7) cost is low, easy-maintaining.
(8) volume is little, occupation of land is few, not only under coal mine, also can be widely used in local power administration in Electric Ground Power System and the operated from a distance of each transformer station is stopped, in the centralized management scheme of power transmission, reach and can save manpower, also can save the object of financial resources.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of essential safety high-low pressure feeder equipment switch operated from a distance controller of the present invention.
Fig. 2 is plug in the present invention and the planar structure schematic diagram of socket.
Fig. 3 is that the present invention is arranged on the intrinsic safety type high-low pressure feeder equipment switch operated from a distance controller block scheme in feeding switch.
Fig. 4 is the control docking scheme far away of low-voltage feeder switch external entity wiring diagram and this controller.
Specific implementation method
Below in conjunction with accompanying drawing, describe enforcement of the present invention in detail.
As shown in Fig. 1 Fig. 2, essential safe type high-low pressure feeder equipment switch operated from a distance controller of the present invention, comprise organic glass shell, 16 pin extension line plug and sockets, tee T sheet metal and the fixed screw fixing with lower end installing plate are equipped with in shell upper end, four layers of insulated circuit plate of metal of an installing electronic elements are housed in shell, the power transformer KB of 1 36V/15V is equipped with in the front of wiring board, the fuse FU of 1 0.1A, 3 DC12V Small Solid relay J 1, J2, J3, 3 negative-positive-negative transistor V1, V2, V3, an integrated rectifier bridge ZL, 1 metallic resistance R1 does short-circuit current limitation protective effect.1 light emitting diode of doing power supply indication, 3 electrolysis direct current capacitors, electrolysis direct current capacitor C1 closes a floodgate to control the afterflow electric capacity of J1, electrolysis direct current capacitor C 2 is the afterflow electric capacity that separating brake is controlled J2, electrolysis direct current capacitor C 3 is to reset to control the afterflow electric capacity of J3, 1 variable resistor R2 is variable in distance adjusting resistance, and 8 carbon resister R3 are housed, R4, R5, R6, R7, R8, R9, R10 wherein R3 is the current-limiting resistance of power supply indication light diode, carbon resister R4, R5 is the base stage current-limiting resistance of triode V1, carbon resister R6, R7 is the current-limiting resistance of triode V2, carbon resister R8, R9 is the current-limiting resistance of triode V3, and carbon resister R10 is 6 protection diodes of current-limiting resistance of signal designation negative pole, protection diode D3, D4 is the protection tube of diode V1, diode D5, D6 is the protection tube of triode V2, diode D7, D8 is the protection tube of triode V3, and diode D1 is that light emitting diode is done power supply indication, and diode D2 is counter current refluence diode, and diode D0 is the detector diode of remote control terminal, and it is the essential parts of pulse forward conduction, otherwise cannot operate.The back side of wiring board is that all control circuits are connected the operplate printing circuit of use with each element.
Essential safe type high-low pressure fed remote operation control, comprise organic glass shell, the printed circuit board (PCB) of the essential safe type high-low pressure feeder equipment operated from a distance controller filling in shell, 16 n pin package ns and socket that the input of this operated from a distance controller, output connecting line are connected with outside control components and parts, described plug and socket is fixed on shell; It is characterized in that: the circuit of the operated from a distance controller of this essential safe type high-low pressure feeder equipment, comprises direct current and pulse power supply circuit, ground protection circuit and be connected in parallel on pulse control combined floodgate and opening circuit, pulse control reset circuit and the signal feedback indicating circuit on pulse power supply circuit.Wherein:
Direct current and pulse power supply circuit
By one end of external communication 36V voltage and A3 pin one end of socket controller, joined, the other end of socket A3 pin is inserted mutually with plug A3 pin, and the other end of plug A3 pin welds mutually through connecting line and the A3 hole of printed-wiring board (PWB).Type metal circuit on A3 hole welds mutually with one end of fuse FU, and the other end of fuse FU joins through one end of the primary line bag of type metal line and power transformer KB; Another line of external communication 36V and the B3 pin of controller join, the other end of the B3 pin of controller is inserted mutually with plug B3 pin, the other end of plug B3 pin welds mutually through connecting line and the B3 wiring hole on printed-wiring board (PWB), the type metal line of B3 wiring hole joins with another line of 36V that exchanges of the primary side of power transformer KB, has completed the input of outside 36V alternating current.
The output AC power source of KB level of power transformer, output two ends a, b voltage is 15V,
One end of the AC power of output terminal a and rectifier bridge ZL joins, the other end of the alternating current source of output terminal b and rectifier bridge ZL joins, rectifier bridge ZL is that to this controller, to provide the voltage of direct supply be DC12V-13V, the output terminal b of secondary 15V AC power of power transformer KB and one end of the adjustable compensation resistance of command range distance join simultaneously, the other end of adjustable distance compensating resistance joins through the A1 of type metal line and printed panel wiring hole, A1 wiring hole joins through the A1 of connecting line and plug pin, the A1 pin other end of plug is inserted mutually with the A1 hole of socket, socket A1 pin and outside control line join.The positive pole of the detector diode D0 of the other end of control line and control terminal joins, detected the pulse voltage of forward 6.5V, output a end, through the negative terminal output pulse negative pole of rectifier bridge ZL, forms direct impulse power supply, and direct impulse power supply is to provide pulsed operation power supply to three control circuits;
Combined floodgate circuit is controlled in pulse
Pulse is controlled combined floodgate circuit containing power transformer KB rectifier bridge ZL metallic resistance R1, adjustable resistance R2, carbon resister R3; light emitting diode D1, afterflow capacitor C 1, current-limiting resistance R4, R5; triode V1, protection diode D3, D4, solid-state relay J1; pulse power output line A1, plug A1 pin, socket A1 pin; pulse power input line B1, plug B1 pin, the moving together contact J11 of solid-state relay J1; dynamic circuit connector static contact J12, plug A6, B6 pin, socket A6, B6 pin.One end of one end of the A3 terminal of described power transformer KB and outside 36V power supply joins, and one end of the other end of A3 terminal and fuse FU joins, and one end of the power input line of the other end of fuse FU and power transformer KB joins.Exchanging another line of 36V external power source and another power lead of power transformer KB joins, the a line of secondary output 15V AC power and the input one end that exchanges of rectifier bridge ZL of power transformer KB join, the b line of secondary output 15V AC power joins with the input other end that exchanges of rectifier bridge ZL, one end of the negative pole end of rectifier bridge ZL and main current-limiting resistance R1 joins, the other end of metallic resistance R1 and direct current negative pole output line join, the b line of secondary output AC 15V of power transformer KB and one end of adjustable resistance and adjustment simultaneously held and connects, the other end of adjustable resistance and wiring board output connection A1 hole join.A1 hole and plug A1 pin join.The other end of plug A1 pin is inserted mutually with socket A1 pin, the other end and the external control line of socket A1 pin join, and the other end of control line and the diode cathode of control desk join, the negative pole end output direct impulse signal of diode, for combined floodgate, separating brake, reset control wave power supply is provided.One end and the DC source negative line of current limliting carbon resister R3 are joined, the other end of current limliting carbon resister R3 and the negative pole end of light emitting diode D1 join, the direct-flow positive pole output line of the positive terminal of light emitting diode and rectifier bridge ZL joins, the negative pole of afterflow capacitor C 1 and direct current negative line are joined, one end of the positive pole of afterflow capacitor C 1 and the R4 of current-limiting resistance joins, the other end of current-limiting resistance R4 and the B1 wiring hole on wiring board join, B1 wiring hole also joins with B1 pin one end of plug by connecting line, the other end of plug B1 pin is inserted mutually with the jack of socket B1 pin, another pin of socket and outside control line join.The line of the positive pole of one end of current-limiting resistance R5 and capacitor C 1 and current-limiting resistance R4 joins, the base stage of the other end of current-limiting resistance R5 and triode V1 is joined, the transmitter of triode V1 and DC power cathode connecting line join, one end of the collector of triode V1 and solid-state relay J1 line bag J10 joins, the other end and the DC power anode of solid-state relay J1 line bag J10 join, protection diode D3, the collector of D4 positive terminal and triode V1 joins, protection diode D3, the negative pole end of D4 and the positive pole of direct supply join, the output wiring terminal of the moving together contact J11 of solid-state relay J1 is connected in series mutually with the A6 pin of the plugs and sockets of controller, the output wiring terminal of the dynamic circuit connector static contact J12 of solid-state relay J1 is connected in series mutually with the plugs and sockets B6 pin of controller.
Opening circuit is controlled in pulse
Pulse is controlled opening circuit and is comprised: the B4B7A7 wiring pin of plug, socket B2 pin, current-limiting resistance R6, afterflow capacitor C 2, current-limiting resistance R7, transistor V2, protection diode D5D6, solid-state relay J2, plugs and sockets.Described plug, socket B2 pin is connected in series mutually with current-limiting resistance R6, the other end of current-limiting resistance R6 is with the positive pole of afterflow capacitor C 2 and R7 one end phase of current-limiting resistance and connect, the negative pole of afterflow capacitor C 2 and the negative pole of direct supply join, the base stage of the other end of current-limiting resistance R7 and transistor V2 is joined, transmitter and the DC power cathode of transistor V2 join, one end of the line bag J20 of the collector of transistor V2 and solid-state relay J2 joins, the other end of line bag J20 and the positive pole of direct supply join, the outlet terminal of the dynamic circuit breaker static contact J21 of solid-state relay J2 is connected in series mutually with the plugs and sockets B4 pin of controller, the moving contact J23 outlet terminal of solid-state relay J2 is connected in series mutually with the plugs and sockets B7 pin of controller, the output wiring terminal of the dynamic circuit connector static contact J22 of solid-state relay J2 is connected in series mutually with the plugs and sockets A7 pin of controller.
Reset circuit is controlled in pulse
Pulse is controlled reset circuit containing plugs and sockets B3 pin, current-limiting resistance R8, afterflow capacitor C 3, current-limiting resistance R9, transistor V3, protection diode D7, D8, the A8B8 wiring pin of solid-state relay J3 plugs and sockets.
Described socket and plug B3 pin is connected in series mutually with one end of current-limiting resistance R8, join with the other end of R8 and the positive pole of afterflow capacitor C 3, the negative pole of afterflow capacitor C 3 and the negative pole of direct supply join, the connecting line phase of one end of current-limiting resistance R9 and afterflow capacitor C 3 and current-limiting resistance R8 also connects, the other end of current-limiting resistance R9 and the base stage of transistor are joined, the transmitter of transistor and the negative pole of direct supply join, one end of the collector of transistor and solid-state relay J3 line bag J30 joins, the other end of solid-state relay J3 line bag J30 and the positive pole of direct supply join, protection diode D7, one end of the positive pole of D8 and line bag J30 joins, protection diode D7, the negative pole of D8 and the positive pole of direct supply join, the plugs and sockets B8 pin of solid-state relay J3 moving together contact J31 terminals and controller joins, the outlet terminal of the dynamic circuit connector static contact J32 of solid-state relay J3 is connected in series mutually with the plugs and sockets A8 pin of controller.
Signal feedback indicating circuit
The socket plug A2 pin that signal indicating circuit comprises controller, the forward current of anti-outside other circuit flows into diode D2 DC power anode negative pole, current-limiting resistance R10, controller plugs and sockets A4 pin.Described socket controller plug A2 pin is the cathode output end of direct supply 12V and the forward of anti-outside other circuit.The negative pole that electric current flows into diode D2 joins, and the positive pole of diode D2 and the positive pole of direct supply join, and one end of current-limiting resistance R10 and the negative pole of direct supply join, and the other end of current-limiting resistance R10 welds mutually with the A4 wiring hole of wiring board.A4 wiring hole is connected in series mutually with the plugs and sockets A4 pin of controller, forms the negative power supply output terminal of direct supply, is the negative power supply of signal lamp light emitting diode, and the cathode voltage of light emitting diode lamp is exported by the socket A2 pin of controller.
Ground protection circuit
Described ground protection circuit welds mutually containing the B5 wiring hole of the metal shell printed-wiring board (PWB) of power transformer KB.B5 wiring hole is also connected in series output mutually with the plugs and sockets B5 pin of controller.
Described plug and socket are the parts of a grafting, and the biserial type form of plug and socket, has A1-A8 pin and B1-B8 pin, realize the operated from a distance of the feeder equipment switch of high-low pressure and control function.
Shown in Fig. 3; the principle of work of essential safe type high-low pressure feeder equipment switch operated from a distance controller of the present invention: this controller is that plug-in unit is controlled in an operated from a distance being arranged in high pressure protector or in low-voltage feeder switch; as long as high-low pressure feeder equipment switch operated from a distance controller of the present invention has been installed in these two kinds of feeder equipments, just can realize the function of operated from a distance combined floodgate in 0-300 kilometers, separating brake, failure reset.
Wiring and principle of work:
In high-low pressure feeder equipment switch, by control power transformer KB, give the socket A3 of this controller, A5 pin power end connects corresponding alternating voltage (36V, 100V or 220V determine according to condition) after the power transformer KB secondary side a of this controller, just there is the Voltage-output that exchanges 15V at b two ends, due to a, the ac input end of b two ends and rectifier bridge ZL joins, now the direct current 12V DC voltage after rectification is just exported at the direct current two ends of rectifier bridge ZL, be controlled at short circuit after metallic resistance R1 current limliting after, maximum short circuit current is not more than 100 milliamperes, working power is provided to later interlock circuit, now light emitting diode D1 obtains electric shinny, to show that power supply has electricity.The trigger pip power supply of this controller is to extract from controlling the b end of the secondary side of power transformer KB, is modulated into the interchange control voltage that is practically applicable to various proper functions, through the plugs and sockets A1 of this controller output through variable resistor R2.When one end of No. 1 heart yearn of A1 pin and control cables joins, the other end of No. 1 heart yearn joins with the positive terminal that is arranged on the detector diode on the indoor operator's console of ground centralized control, the negative pole end of diode and the moving contact of switch knob, the moving contact of opening button, the terminals phase of reset button moving contact also connects, one end of the B1 pin of this controller and No. 2 heart yearns of control cables joins, and the static contact of the other end of No. 2 heart yearns and the switch knob of operator's console joins.One end of the B2 pin of this controller and No. 4 heart yearns of control cables joins, on the other end of No. 4 heart yearns and operator's console, the static contact terminals of opening button join, No. 5 heart yearn one end of the B3 pin of this controller and control cables join, and the terminals of the other end of No. 5 heart yearns and reset button static contact join.The A2 pin of this controller is that direct current+12V power output end and No. 3 heart yearn one end of control cables join, in the other end of No. 3 heart yearns and ground central station of floating dock, the positive terminal of operator indicator light emitting diode joins, No. 6 heart yearn one end of the negative pole end of light emitting diode and control cables join, and the A4 pin (12V) of the other end of No. 6 heart yearns and controller joins.
Shown in Fig. 4: be for the concrete wiring position of this controller is described, the mining flame-proof microcomputerized control low-voltage feeder switch that Jiyuan, Henan explosion-proof electric apparatus company produced of take is example, solid-state relay J1(B6, the A6 of this controller are described) J2(B4, B7) J3(B8, A8) particular location in the feeding switch produced at Jiyuan, Henan, refers to the represented place of I, II in Fig. 4.Its other height conquassation electric switch is as utilized this controller to realize remote-operated object as long-distance centralized control.Give mode of connection described above just the same.
The principle of work of this controller essential safety high-low pressure feeder equipment:
The A3 of this controller essential safety high-low pressure feeder equipment switch operated from a distance controller, the primary side of power transformer KB after 36V power connection that exchanges of A5 pin and feeding switch obtains electric, the a of secondary side, just there is the 15V of interchange Voltage-output at b two ends after rectifier bridge ZL rectification, the DC terminal of rectifier bridge ZL has direct current 12V Voltage-output, just the output current that has 100 milliamperes of rated current after metallic resistance R1 current limliting, combined floodgate and opening circuit are controlled in the pulse of giving on pulse power supply circuit, reset circuit is controlled in pulse and signal feedback indicating circuit provides due working power voltage (direct current 12V), pulse forward trigger pip power supply is that the secondary side b end by power transformer KB extracts, through adjustable resistance, be modulated to voltage available by the socket A1 pin output of this controller, join with one end of No. 1 heart yearn of control cables, on the other end of No. 1 heart yearn of control cables and ground, a distant place, in central station of floating dock, the positive pole of the detector diode in operator's console joins, the negative pole end of detector diode just has direct impulse Voltage-output, the moving contact of switch knob obtains electric, after pressing switch knob, direct impulse voltage is through the static contact of switch knob, No. 2 heart yearns of control cables, the socket B1 pin of this controller, current-limiting resistance R4, afterflow capacitor C 1 positive pole, base stage current-limiting resistance R5, the base stage of triode V1 obtains direct impulse voltage, and the emitter of triode V1 and collector conducting, pulse forward current is by base stage → emitter → direct current negative line of triode V1 → got back to power transformer KB secondary side a end to form closed-loop path, now due to the conducting of emitter and the collector of triode V1, the suction line Bao get electricity of solid-state relay J1, the contact J11 adhesive of solid-state relay J1 and contact J12 are closed.Because the B6 of this controller, A6 pin are by the two ends of the switch knob of wire and feeding switch and connect and also equal the now switch knob of feeding switch and press, completed remote switching task.When transistor base obtains forward current, the positive terminal of afterflow electric capacity also obtains forward current simultaneously, and afterflow capacitor C 1 starts charging.When the b end of the power transformer KB of this controller second siding ring is during by forward vanishing and during negative sense, because the detector diode of ground control cabinet is the former of one-way conduction thereby now detector diode D0 cut-off and can not conducting, 1 charging of now afterflow capacitor C finishes, electric discharge starts, the base stage forward current of triode V1 is supplied with by capacitor C 1, the emitter and the collector that have maintained triode V1 continue conducting, the suction line bag of solid-state relay J1 continues there is electricity, the contact J11 of solid-state relay J1, it is closed that J12 maintains, when the b of the secondary side line bag of this control power transformer KB end, while again getting back to forward, 1 pair of transistor base electric discharge of afterflow capacitor C finishes to recharge beginning.Go round and begin again, until operator's console operating personnel stop after decontroling switch knob.Inductance energy in the suction coil J10 of the solid-state relay J1 of this controller is by protecting diode D3, D4.Short circuit discharges.Played the effect of protection triode V1.
What this controller was taked is duplicate protection, is also GB intrinsic safe explosion-proof [Exib] requirement of explosion proof.So each protected location is the duplicate protection adopting in the safeguard measure of this controller.(protection 2/unit of diode)
The principle of work of pulse control combined floodgate and opening circuit, pulse control reset circuit is just the same, is all a kind of transistor switch control circuit, and the task that difference place has been exactly is different.It is the task of separating brake and reset, when the socket output trigger pip A1 of this controller pin, by No. 1 heart yearn of control cables, after the B2 pin that detector diode, separating brake are often opened button, No. 4 heart yearns of control cables and socket controller joins, as long as press the separating brake task of opening button high-low pressure feeding switch under just can completed well or a distant place.
The socket output signal A1 pin of this controller is by No. 1 heart yearn of control cables, detector diode resets after the B3 pin often open No. 5 heart yearns of button control cable and socket controller joins, if press reset button just can completed well under or the reset task of the high-low pressure feeding switch in 300 kilometer range of a distant place, ground.
Signal feedback indicating circuit principle of work.
Socket A2 pin output direct current+12V voltage of this controller and the one end of the auxiliary normally open contact ZN6 in feeding switch join, the auxiliary other end of normally open contact ZN6 and one end of No. 3 heart yearns of control cables join, the positive terminal of the pilot lamp light emitting diode in the other end of No. 3 heart yearns and central station of floating dock on operator's console joins, No. 6 heart yearn one end of the negative pole end of light emitting diode and control cables join, and the A4 pin (12V) of the other end of No. 6 heart yearns and socket controller joins.While pressing switch knob on the operator's console of operating personnel in central station of floating dock, the auxiliary normally open contact ZN6 of feeding switch combined floodgate feeding switch is closed, controller A2 pin+12V DC current got back to controller A4 pin through No. 3 heart yearns of auxiliary normally open contact control cables of feeding switch, No. 6 heart yearns of pilot lamp light emitting diode, control cables in operator's console, and direct current 12V negative terminal forms closed-loop path.Pilot lamp light emitting diode is shinny to show the closed power transmission of feeding switch, light emitting diode do not work the explanation feeding switch lock that do not close or tripping operation for some reason.
This essential safe type high-low pressure device feeding switch operated from a distance controller is a connector, and it is arranged in the flame-proof type high-low pressure feeding switch under coal mine or the interior operated from a distance that just can realize 1-300 kilometers of ground each high-low voltage electric power distribution cabinet is controlled.
Claims (1)
1. essential safe type high-low pressure fed remote operation control, comprise organic glass shell, the printed circuit board (PCB) of the essential safe type high-low pressure feeder equipment operated from a distance controller filling in shell, 16 n pin package ns and socket that the input of this operated from a distance controller, output connecting line are connected with outside control components and parts, described plug and socket is fixed on shell; The circuit of the operated from a distance controller of this essential safe type high-low pressure feeder equipment, comprises direct current and pulse power supply circuit, ground protection circuit and is connected in parallel on pulse control combined floodgate and opening circuit, pulse control reset circuit and the signal feedback indicating circuit on pulse power supply circuit; It is characterized in that:
Described direct current and pulse power supply circuit, by one end of external communication 36V voltage and A3 pin one end of socket controller, joined, the other end of socket A3 pin is inserted mutually with plug A3 pin, and the other end of plug A3 pin welds mutually through connecting line and the A3 wiring hole of printed-wiring board (PWB); Type metal circuit on A3 hole welds mutually with one end of fuse FU, and the other end of fuse FU joins through one end of the primary line bag of type metal line and power transformer KB; Another line of external communication 36V and the B3 pin of controller join, the other end of the B3 pin of controller is inserted mutually with plug B3 pin, the other end of plug B3 pin welds mutually through connecting line and the B3 wiring hole on printed-wiring board (PWB), the type metal line of B3 wiring hole joins with another line of 36V that exchanges of the primary side of power transformer KB, has completed the input of outside 36V alternating current;
The output AC power source of KB level of power transformer, output two ends a, b voltage is 15V, one end of the AC power of output terminal a and rectifier bridge ZL joins, the other end of the alternating current source of output terminal b and rectifier bridge ZL joins, rectifier bridge ZL is that to this controller, to provide the voltage of direct supply be DC12V-13V, the output terminal b of secondary 15V AC power of power transformer KB and one end of the adjustable compensation resistance of command range distance join simultaneously, the other end of adjustable distance compensating resistance joins through the A1 of type metal line and printed panel wiring hole, A1 wiring hole joins through the A1 of connecting line and plug pin, the A1 pin other end of plug is inserted mutually with the A1 hole of socket, socket A1 pin and outside control line join, the positive pole of the detector diode D0 of the other end of control line and control terminal joins, detected the pulse voltage of forward 6.5V, output a end, through the negative terminal output pulse negative pole of rectifier bridge ZL, forms direct impulse power supply, and direct impulse power supply is to provide pulsed operation power supply to three control circuits,
Combined floodgate is controlled in described pulse and reset circuit and signal feedback indicating circuit are controlled in opening circuit, pulse; Wherein:
Combined floodgate circuit is controlled in pulse
Pulse is controlled combined floodgate circuit containing power transformer KB rectifier bridge ZL metallic resistance R1, adjustable resistance R2, carbon resister R3, light emitting diode D1, afterflow capacitor C 1, current-limiting resistance R4, R5, triode V1, protection diode D3, D4, solid-state relay J1, pulse power output line A1, plug A1 pin, socket A1 pin, pulse power input line B1, plug B1 pin, the moving together contact J11 of solid-state relay J1, dynamic circuit connector static contact J12, plug A6, B6 pin, socket A6, B6 pin, one end of one end of the A3 terminal of described power transformer KB and outside 36V power supply joins, and one end of the other end of A3 terminal and fuse FU joins, and one end of the power input line of the other end of fuse FU and power transformer KB joins, exchanging another line of 36V external power source and another power lead of power transformer KB joins, the a line of secondary output 15V AC power and the input one end that exchanges of rectifier bridge ZL of power transformer KB join, the b line of secondary output 15V AC power joins with the input other end that exchanges of rectifier bridge ZL, one end of the negative pole end of rectifier bridge ZL and main current-limiting resistance R1 joins, the other end of metallic resistance R1 and direct current negative pole output line join, the b line of secondary output AC 15V of power transformer KB and one end of adjustable resistance and adjustment simultaneously held and connects, the other end of adjustable resistance and wiring board output connection A1 hole join, socket A1 hole and plug A1 pin join, the other end of plug A1 pin is inserted mutually with socket A1 pin, the other end and the external control line of socket A1 pin join, the other end of control line and the diode cathode of control desk join, the negative pole end output direct impulse signal of diode, for combined floodgate, separating brake, reset control wave power supply is provided, one end and the DC source negative line of current limliting carbon resister R3 are joined, the other end of current limliting carbon resister R3 and the negative pole end of light emitting diode D1 join, the direct-flow positive pole output line of the positive terminal of light emitting diode and rectifier bridge ZL joins, the negative pole of afterflow capacitor C 1 and direct current negative line are joined, one end of the positive pole of afterflow capacitor C 1 and current-limiting resistance R4 joins, the other end of current-limiting resistance R4 and the B1 wiring hole on wiring board join, B1 wiring hole also joins with B1 pin one end of plug by connecting line, the other end of plug B1 pin is inserted mutually with the jack of socket B1 pin, another pin of socket and outside control line join, the line of the positive pole of one end of current-limiting resistance R5 and capacitor C 1 and current-limiting resistance R4 joins, the base stage of the other end of current-limiting resistance R5 and triode V1 is joined, the transmitter of triode V1 and DC power cathode connecting line join, one end of the collector of triode V1 and solid-state relay J1 line bag J10 joins, the other end and the DC power anode of solid-state relay J1 line bag J10 join, protection diode D3, the collector of D4 positive terminal and triode V1 joins, protection diode D3, the negative pole end of D4 and the positive pole of direct supply join, the output wiring terminal of the moving together contact J11 of solid-state relay J1 is connected in series mutually with the A6 pin of the plugs and sockets of controller, the output wiring terminal of the dynamic circuit connector static contact J12 of solid-state relay J1 is connected in series mutually with the plugs and sockets B6 pin of controller,
Pulse is controlled opening circuit pulse control opening circuit and is comprised: the B4B7A7 wiring pin of plug, socket B2 pin, current-limiting resistance R6, afterflow capacitor C 2, current-limiting resistance R7, transistor V2, protection diode D5D6, solid-state relay J2, plugs and sockets;
Described plug, socket B2 pin is connected in series mutually with current-limiting resistance R6, the other end of current-limiting resistance R6 is with the positive pole of afterflow capacitor C 2 and R7 one end phase of current-limiting resistance and connect, the negative pole of afterflow capacitor C 2 and the negative pole of direct supply join, the base stage of the other end of current-limiting resistance R7 and transistor V2 is joined, transmitter and the DC power cathode of transistor V2 join, one end of the line bag J20 of the collector of transistor V2 and solid-state relay J2 joins, the other end of line bag J20 and the positive pole of direct supply join, the outlet terminal of the dynamic circuit breaker static contact J21 of solid-state relay J2 is connected in series mutually with the plugs and sockets B4 pin of controller, the moving contact J23 outlet terminal of solid-state relay J2 is connected in series mutually with the plugs and sockets B7 pin of controller, the output wiring terminal of the dynamic circuit connector static contact J22 of solid-state relay J2 is connected in series mutually with the plugs and sockets A7 pin of controller,
Reset circuit is controlled in pulse
Pulse is controlled reset circuit containing plugs and sockets B3 pin, current-limiting resistance R8, afterflow capacitor C 3, current-limiting resistance R9, transistor V3, protection diode D7, D8, the A8B8 wiring pin of solid-state relay J3 plugs and sockets, described socket and plug B3 pin is connected in series mutually with one end of current-limiting resistance R8, the positive pole of the other end of current-limiting resistance R8 and afterflow capacitor C 3 joins, the negative pole of afterflow capacitor C 3 and the negative pole of direct supply join, the connecting line phase of one end of current-limiting resistance R9 and afterflow capacitor C 3 and current-limiting resistance R8 also connects, the other end of current-limiting resistance R9 and the base stage of transistor are joined, the transmitter of transistor and the negative pole of direct supply join, one end of the collector of transistor and solid-state relay J3 line bag J30 joins, the other end of solid-state relay J3 line bag J30 and the positive pole of direct supply join, protection diode D7, one end of the positive pole of D8 and line bag J30 joins, protection diode D7, the negative pole of D8 and the positive pole of direct supply join, the plugs and sockets B8 pin of solid-state relay J3 moving together contact J31 terminals and controller joins, the outlet terminal of the dynamic circuit connector static contact J32 of solid-state relay J3 is connected in series mutually with the plugs and sockets A8 pin of controller,
Signal feedback indicating circuit
The socket plug A2 pin that signal indicating circuit comprises controller, the forward current of anti-outside other circuit flows into diode D2 DC power anode negative pole, current-limiting resistance R10, controller plugs and sockets A4 pin;
Described socket controller plug A2 pin is the cathode output end of direct supply 12V and the forward of anti-outside other circuit; The negative pole that electric current flows into diode D2 joins, and the positive pole of diode D2 and the positive pole of direct supply join, and one end of current-limiting resistance R10 and the negative pole of direct supply join, and the other end of current-limiting resistance R10 welds mutually with the A4 wiring hole of wiring board; A4 wiring hole is connected in series mutually with the plugs and sockets A4 pin of controller, forms the negative power supply output terminal of direct supply, is the negative power supply of signal lamp light emitting diode, and the cathode voltage of light emitting diode lamp is exported by the socket A2 pin of controller.
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| CN201210165797.1A CN102650856B (en) | 2012-05-25 | 2012-05-25 | Remote operation controller in switch of intrinsically safe high-low pressure feeder equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10295977B2 (en) * | 2016-01-25 | 2019-05-21 | Fisher Controls International Llc | Smart auto reset for digital positioners connected to a local control panel or push button |
| CN108398980B (en) * | 2017-02-04 | 2020-05-22 | 开封市金石科技有限公司 | Intrinsically safe remote operation control device |
| CN110793591A (en) * | 2018-08-01 | 2020-02-14 | 上海熊猫机械(集团)有限公司 | Signal adapter based on liquid level meter |
| CN111478189B (en) * | 2020-05-11 | 2023-12-26 | 山西潞安环保能源开发股份有限公司常村煤矿 | Mining remote on-line multi-loop electric distribution switch power restoration device |
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| US8774204B2 (en) * | 2006-09-25 | 2014-07-08 | Fisher-Rosemount Systems, Inc. | Handheld field maintenance bus monitor |
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| CN201298166Y (en) * | 2008-11-24 | 2009-08-26 | 常州海新科技有限公司 | Mining intrinsic safety type programable controller |
| CN201490767U (en) * | 2009-09-07 | 2010-05-26 | 费江海 | Mine flameproof intrinsic safety vacuum feed switch with remote control circuit |
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