CN202001698U - Intelligent reciprocating type coal valve driving and controlling system - Google Patents
Intelligent reciprocating type coal valve driving and controlling system Download PDFInfo
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- CN202001698U CN202001698U CN 201020691700 CN201020691700U CN202001698U CN 202001698 U CN202001698 U CN 202001698U CN 201020691700 CN201020691700 CN 201020691700 CN 201020691700 U CN201020691700 U CN 201020691700U CN 202001698 U CN202001698 U CN 202001698U
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Abstract
The technical scheme of the utility model provides an intelligent reciprocating type coal vale driving and controlling system comprising a programmable controller, a relay, a magnetic approaching switch and a power supply. The system is characterized by also comprising an in-situ operation and state display panel and magnetic steel, wherein a switching value input and a relay output module is connected on the programmable controller, the switching value input is controlled by the in-situ operation and state display panel, a remote controller or a decentralized control system, the output value of an output module is displayed by the in-situ operation and state display panel, the magnetic steel is positioned above a roller wheel on the side of a gate incisive foramen plate, and a magnetic sensing switch is arranged at the side edge of the magnetic steel. The intelligent reciprocating type coal valve driving and controlling system has the advantages that the in-situ operation, debugging and maintenance can be convenient, and a valve door sheet can be positioned accurately even when the valve door sheet deflects caused by the entering of coal dust.
Description
Technical field
The utility model relates to reciprocating type coal valve driving of a kind of intelligence and control system, be applied to thermal power station's coal-feeding conveyer and import and export electric valve device driving and control system, be applicable to that also other types are used to cut off the valve of granular solids medium, belong to the electric valve technical field.
Background technique
The coal valve mainly plays the effect of turn-offing raw coal or other granular solids media, reciprocating type coal valve driving of intelligence and control system adopt the function that detects current of electric and back and forth dodge in real time, thereby improved the coal valve greatly and fitted badly and met the long-term problems that perplex power plant such as gathering coal bite, but remain: 1, lack local operation and state displaying panel and device card, local operation, debugging and maintenance inconvenience in following deficiency.2, former non-contact sense cell (directly sensing valve door-plate) distance of reaction is too little, can't accurately locate when the certain distance sideslip is arranged after coal dust enters.
Summary of the invention
The purpose of this utility model provides a kind of local operation, debugging and maintenance reciprocating type coal valve driving and control system convenient and accurately normal valve every Board position.
In order to achieve the above object, the technical solution of the utility model has provided reciprocating type coal valve driving of a kind of intelligence and control system, comprise programmable controller, relay, magnetic approach switch and power supply, it is characterized in that, also comprise local operation and state displaying panel and magnet steel, on programmable controller, be connected with switching value input and relay output module, the switching value input is by local operation and state displaying panel, remote controller or decentralized control system (DCS) are controlled, the output quantity of output module shows by local operation and state displaying panel, magnet steel is positioned at the roller top of lock gate hatch perforation plate side, is provided with magnetic switch at the side of magnet steel.
Further; described input switch amount comprises the switch of valve opening on the spot that is contained on local operation and the state displaying panel; valve closing switch on the spot; valve emergency stop switch on the spot; the remote control selector switch reaches selector switch on the spot; wherein; the valve opening switch is the input of valve opening action command on the spot; the valve closing switch is the input of valve closing action command on the spot; reset signal input when the valve emergency stop switch is for the anxious unlatching that stops valve or closing motion input or disorderly closedown on the spot; the remote control selector switch comes control valve to open for selecting by decentralized control system (DCS); close and stop, selector switch comes control valve to open for selecting by local operation and state displaying panel or remote controller on the spot; close and stop.
Described input quantity switch comprises valve opening switch, valve closing switch and the valve emergency stop switch that is contained on the remote controller.
Described input quantity switch also comprises the first contactless magnetic switch that is installed in standard-sized sheet side on the valve body and the second contactless magnetic switch and the output contact that shows the valve driving motor overload that comes from overcurrent relay.
Described output module comprises standard-sized sheet relay coil, complete shut-down relay coil, cross moment alarming relay coil, cross moment reset relay coil, start make relay coil, close the actuating relay coil, banked relay coil and relay coil on the spot.The standard-sized sheet relay coil, the complete shut-down relay coil, cross moment alarming relay coil, cross moment reset relay coil, start and make relay coil, close the actuating relay coil, the banked relay coil and on the spot an end of relay coil be connected to the output terminal of programmable controller respectively, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout, wherein, the normally opened contact of standard-sized sheet relay, the normally opened contact of complete shut-down relay, start the normally opened contact of making relay, close the normally opened contact of actuating relay, the normally opened contact of banked relay and the normally opened contact of the relay light emitting diode of connecting separately on the spot.
The utility model at first with the remote control on the local operation panel and on the spot the input state of button determine intelligent reciprocating type coal valve unlatching, close and stop (containing and reset) input to come to where, system is controlled by DCS during remote state, on the spot during state system by keyboard or remote controller control.Simultaneously, install magnet steel additional by door-plate edge and improve distance of reaction, utilize the input of magnetic switch that the position signal of valve is provided, determine whether that switch puts in place at valve.
Therefore, the utility model has the advantages that: local operation, debugging and maintenance are convenient, even and can enter when causing valve door-plate sideslip also accurately normal valve every Board position at coal dust.
Description of drawings
Fig. 1 is a programmable controller input/output terminal schematic representation;
Fig. 2 is a motoring part schematic representation;
Fig. 3 is for driving valve and closing valve circuit connection diagram;
Fig. 4 is the condition indication circuit connection diagram;
Fig. 5 is the magnet steel scheme of installation.
Embodiment
Specify the utility model below in conjunction with embodiment.
Embodiment
Reciprocating type coal valve driving of a kind of intelligence provided by the invention and control system are grouped into by programmable controller, switching value input and output part, motoring part, remote controller, local operation and state display part.
As shown in Figures 1 and 2, the core component of system is made up of programmable controller.As its power supply, power supply is provided to transformer T1 through safety fuse cutout B1 and safety fuse cutout B2 by the 1L1 port of air-break switch CB lower end and 1L2 port by 220VAC.
The input end of system is made up of following several parts:
Valve opening action command input end X0 end, by on valve opening K switch 1 or the operation panel on the remote controller on the spot valve opening K switch S1 import as the valve opening action command.
Valve closing action command input end X1 end, by on valve closing K switch 2 or the operation panel on the remote controller on the spot valve closing K switch S2 import as the valve closing action command.
The spacing instruction input X2 end of opening, the first contactless magnetic switch SAO of standard-sized sheet side directly imports on the valve body by being installed in, and indicates when early gate to be in fully open position.
Spacing pass instruction input X3 end, the second contactless magnetic switch SAC of complete shut-down side directly imports on the valve body by being installed in, and indicates when early gate to be in the complete shut-down position.
Over-current signal input X4 end, in conjunction with Fig. 2, over-current signal comes from output contact 95 and No. 96 terminals of overcurrent relay DJ, and this make contact shows the valve driving motor overload.Programmable controller reaches the purpose of dodging by output control motor time-out and counter-rotating after receiving this signal.
Suddenly stop/reset signal input X5 end, by on valve emergency stop switch K3 or the operation panel on the remote controller on the spot valve emergency stop switch KS3 be used for anxious unlatching or the closing motion that stops valve.Also can when disorderly closedown, import as reset signal.
DCS opens instruction input X6 end, and Zhi Ling action is as the instruction input of valve distant place unlatching thus.
DCS closes instruction input X7 end, and Zhi Ling the action instruction of closing as a valve distant place is imported thus.
DCS stop command input end X10 end, Zhi Ling action is as the anxious instruction input that stops in a valve distant place thus.
Remote control command input X11 end is selected this instruction action by KS4 key on the operation panel, after this instruction action, illustrate valve unlatching, close and stop (containing and reset) and controlled by DCS.
Instruction input X12 end is selected this instruction action by KS5 key on the operation panel on the spot, after this instruction action, illustrate valve unlatching, close and stop (containing and reset) and only accept local operation and control.Promptly only be subjected to button and control of remote controller on the operation panel.
COM is in parallel with other each input end for the input common port.Valve opening K switch 1, valve closing K switch 2 and valve emergency stop switch K3 are positioned on the remote controller, are respectively open and close and rapid stop key, and the locking key on the remote controller is used for the use of locking ON/OFF key.
The output terminal of system is made up of following several parts:
Standard-sized sheet relay coil F0 meets the output terminal Y0 of programmable controller after the end of standard-sized sheet relay coil F0 is drawn by patch cord, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout B3.This switching signal show valve standard-sized sheet put in place.
Complete shut-down relay coil F1 meets the output terminal Y1 of programmable controller after the end of complete shut-down relay coil F1 is drawn by patch cord, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout B3.This switching signal show valve complete shut-down put in place.
Cross moment alarming relay coil F2, meet the output terminal Y2 of programmable controller after an end of crossing moment alarming relay coil F2 is drawn by patch cord, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout B3.Its switching signal is illustrated in and meets obstructions excessive and after causing overload, through after N (N 〉=3 can be set) reciprocating action, still run into excessive resistance.
Cross moment reset relay coil F3, meet the output terminal Y3 of programmable controller after an end of crossing moment reset relay coil F3 is drawn by patch cord, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout B3.(FK3 COM3) is used for resetting of overcurrent relay DJ to the standard-sized sheet signal of its output.
Start and make relay coil F4, start the output terminal Y4 that connects programmable controller after an end of making relay coil F4 is drawn by patch cord, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout B3.As shown in Figure 3, its standard-sized sheet signal FK4 one termination is opened valve relay J1, opens the two ends of valve relay J1 and meets rc absorber SUP1, and the other end and power supply N join.Drive motor just changes.
Close actuating relay coil F5, meet the output terminal Y5 of programmable controller after an end that closes actuating relay coil F5 is drawn by patch cord, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout B3.As shown in Figure 3, its standard-sized sheet signal FK5 one termination is opened valve relay J2, opens the two ends of valve relay J2 and meets rc absorber SUP2, and the other end and power supply N join.The drive motor counter-rotating.
Banked relay coil F6 meets the output terminal Y6 of programmable controller after the end of banked relay coil F6 is drawn by patch cord, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout B3.The opening and closing of its switching signal explanation valve are controlled by the remotely-controlled operation mode only.
Relay coil F7 on the spot meets the output terminal Y7 of programmable controller after the end of relay coil F7 is drawn by patch cord on the spot, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout B3.The opening and closing of its switching signal explanation valve are controlled by the local operation mode only.
Common port COM0, COM1, COM2, COM3, the COM4 of output terminal also connects together, and is connected to the output terminal of 12VDC power supply.The 12VDC power supply is obtained after the 220VAC conversion by power transfer module.
As shown in Figure 2, motoring part includes temperature-sensitive protection and electromagnetic trip by air-break switch CB(), just change relay J 1 contacts of contactor and counter-rotating relay J 2 contacts of contactor and electronic overcurrent relay DJ etc. partly form:
The 380VAC power supply is linked just commentaries on classics relay J 1 contacts of contactor in parallel and counter-rotating relay J 2 contacts of contactor upper end through air-break switch CB, and the lower end, contact of just changeing relay J 1 and counter-rotating relay J 2 is connected to motor M.Wherein two power lines are used for monitoring in real time the electric current of motor M through the mutual inductor of electronic overcurrent relay DJ.Electronic overcurrent relay DJ joins through normally-closed contact FK3 and the air-break switch CB lower contact of moment reset relay F3.The size of overcurrent and overload time all can be set.
As shown in Figure 4, one end (0VDC) of power supply is connected with light emitting diode LD0 to LD5, the power supply the other end (12VDC) through resistance R 0 to R5, standard-sized sheet relay contact F0, complete shut-down relay contact F1, start make relay contact F4, close actuating relay contact F5, banked relay contact F6 and on the spot relay contact F7 and luminous two pipe LD0 to the LD5 the other ends link to each other, be used for the indication of each operating state of valve.Behind the KS5 of key on the spot that presses on the local operation panel, relay coil F7 action on the spot, its corresponding make contact, tutorial light LD3 lights on the spot, this moment, the operation of valve only was subjected to button and control of remote controller on the local operation panel, this moment is when pressing on the local operation panel behind the key point KS1, start and do relay F4 action, its corresponding make contact, the valve opening operation, it is glittering to open tutorial light LD4, when valve runs to fully open position, standard-sized sheet relay F0 action, its corresponding make contact, standard-sized sheet tutorial light LD0 lights.If press crucial KS2 on the local operation panel this moment, close actuating relay F5 action, its corresponding make contact, the valve closing operation, tutorial light LD5 is glittering in the pass, when valve runs to the complete shut-down position, complete shut-down relay F1 action, its corresponding make contact, complete shut-down tutorial light LD1 lights.If press on the local operation panel behind the teleswitch KS4, banked relay F6 action, its corresponding make contact, remote-control indicating lamp LD2 lights, and this moment, the operation of valve only was subjected to the control of DCS.
Native system also provides standard-sized sheet FK0, complete shut-down FK1, crosses moment warning FK2, these four switching value output signals of remote control FK6 to DCS, and DCS opens, DCS closes and DCS suddenly stops/reset this three switching value input signals.
As shown in Figure 5, the utility model has been installed a magnet steel 1 above the roller 3 of lock gate hatch perforation plate 2 sides, side at magnet steel 1 is provided with magnetic switch 4, and magnetic switch 4 is fixed on the gate housing 6 by magnetic switch seat 5, is stamped magnetic switch flap 7 on magnetic switch seat 5.
The utility model has the advantage of: concentrated the control of local operation panel, status indications, wireless remote control, DCS control, magnetic induction location, overload detection and automatically dodge these several big advantages. Convenience and the reliability of the driving of coal valve and control system are significantly increased, are more suitable for the abominable thermal power station's feeder of environment and import and export on-the-spot the use, also be applicable to the electrically operated valve of other types cut-out granular solids medium.
Claims (5)
1. reciprocating type coal valve driving of intelligence and control system, comprise programmable controller, relay, magnetic approach switch and power supply, it is characterized in that, also comprise local operation and state displaying panel and magnet steel, on programmable controller, be connected with switching value input and relay output module, the switching value input is by local operation and state displaying panel, remote controller or decentralized control system are controlled, the output quantity of output module shows by local operation and state displaying panel, magnet steel (1) is positioned at roller (3) top of lock gate hatch perforation plate (2) side, side at magnet steel (1) is provided with magnetic switch (4), magnet steel is positioned at the roller top of lock gate hatch perforation plate side, is provided with magnetic switch at the side of magnet steel.
2. reciprocating type coal valve driving of a kind of intelligence as claimed in claim 1 and control system; it is characterized in that; described input quantity switch comprises the switch of valve opening on the spot (KS1) that is contained on local operation and the state displaying panel; valve closing switch (KS2) on the spot; valve emergency stop switch (KS3) on the spot; remote control selector switch (KS4) reaches selector switch (KS5) on the spot; wherein; valve opening switch (KS1) is the input of valve opening action command on the spot; valve closing switch (KS2) is the input of valve closing action command on the spot; reset signal input when valve emergency stop switch (KS3) is for the anxious unlatching that stops valve or closing motion input or disorderly closedown on the spot; remote control selector switch (KS4) comes control valve to open for selecting by decentralized control system; the instruction input of closing and stopping, selector switch (KS5) is for selecting the instruction input by local operation and state displaying panel or remote controller control on the spot.
3. reciprocating type coal valve driving of a kind of intelligence as claimed in claim 1 and control system is characterized in that, described input quantity switch comprises valve opening switch (K1), valve closing switch (K2) and the valve emergency stop switch (K3) that is contained on the remote controller.
4. reciprocating type coal valve driving of a kind of intelligence as claimed in claim 1 and control system, it is characterized in that described input quantity switch comprises the first contactless magnetic switch (SAO) and the second contactless magnetic switch (SAC) that is installed in standard-sized sheet side on the valve body and oneself is in the output contact that shows the valve driving motor overload of overcurrent relay (DJ).
5. reciprocating type coal valve driving of a kind of intelligence as claimed in claim 1 and control system, it is characterized in that, described output module comprises standard-sized sheet relay coil (F0), complete shut-down relay coil (F1), cross moment alarming relay coil (F2), cross moment reset relay coil (F3), start and make relay coil (F4), close actuating relay coil (F5), banked relay coil (F6) reaches relay coil (F7) on the spot, standard-sized sheet relay coil (F0), complete shut-down relay coil (F1), cross moment alarming relay coil (F2), cross moment reset relay coil (F3), start and make relay coil (F4), close actuating relay coil (F5), banked relay coil (F6) and on the spot an end of relay coil (F7) be connected to the output terminal of programmable controller respectively, the other end joins with the output terminal of 12VDC power supply behind safety fuse cutout (B3), wherein, standard-sized sheet relay contact F0, complete shut-down relay contact F1, start and make relay contact F4, close actuating relay contact F5, banked relay contact F6 and the relay contact F7 light emitting diode of connecting separately on the spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020691700 CN202001698U (en) | 2010-12-31 | 2010-12-31 | Intelligent reciprocating type coal valve driving and controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020691700 CN202001698U (en) | 2010-12-31 | 2010-12-31 | Intelligent reciprocating type coal valve driving and controlling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001698U true CN202001698U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020691700 Expired - Fee Related CN202001698U (en) | 2010-12-31 | 2010-12-31 | Intelligent reciprocating type coal valve driving and controlling system |
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|---|---|
| CN (1) | CN202001698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072353A (en) * | 2010-12-31 | 2011-05-25 | 上海新拓电力设备有限公司 | Intelligent reciprocating type driving and controlling system of coal valve |
-
2010
- 2010-12-31 CN CN 201020691700 patent/CN202001698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072353A (en) * | 2010-12-31 | 2011-05-25 | 上海新拓电力设备有限公司 | Intelligent reciprocating type driving and controlling system of coal valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |