CN201190828Y - Intelligent reciprocating type coal valve drive and control device - Google Patents
Intelligent reciprocating type coal valve drive and control device Download PDFInfo
- Publication number
- CN201190828Y CN201190828Y CNU2007200770628U CN200720077062U CN201190828Y CN 201190828 Y CN201190828 Y CN 201190828Y CN U2007200770628 U CNU2007200770628 U CN U2007200770628U CN 200720077062 U CN200720077062 U CN 200720077062U CN 201190828 Y CN201190828 Y CN 201190828Y
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- programmable controller
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Abstract
The utility model relates to an intelligent reciprocating coal valve drive and control device, which is characterized by comprising a programmable controller/single chip system core part, a motor drive part and an indication part. The intelligent reciprocating coal valve drive and control device is advanced than traditional technology, which combines the advantages of non-contact induction location, intelligent reciprocating large solid avoidance and electronic overload check, to resolve the problems of power plants such as the dead lock and error location of traditional coal gates.
Description
Technical field
The utility model relates to reciprocating type coal valve driving of a kind of intelligence and control gear, relate in particular to a kind of thermal power station coal-feeding conveyer and import and export the device driving and the control system of electric valve, also be used to cut off the valve applications of particle media, belong to the electric valve technical field applicable to other field.
Background technique
In power plant, coal gate mainly plays opens and turn-offs the effect that raw coal is carried, the tradition coal gate is by many revolutions electric actuator, reduction gear and tooth bar are formed, the driving of its lock gate hatch and control mode almost all adopt by electric actuator and finish, electric actuator relies on inner number of turns counting to determine position of strobe indirectly, because the nonuniformity of solid coal cinder size, stuck once meeting foreign matter and gathering coal, and the environment of working site is very poor, the coal grain enters the tooth bar or the lock gate hatch gap location of valve easily, often cause lock gate hatch to open, turn-off phenomenon not in place, opening when the import lock gate hatch will influence normal coal stream when not in place and carry; When shutoff is not in place, will cause coal-feeding conveyer and coal pulverizer to overhaul.
Summary of the invention
The purpose of this utility model provide a kind of can be not stuck, the intelligent reciprocating type coal valve driving and the control gear of accurate positioning.
For realizing above purpose, the technical solution of the utility model provides reciprocating type coal valve driving of a kind of intelligence and control gear, it is characterized in that, is made up of programmable controller or SCM system core, motoring part and indicating section:
Programmable controller or SCM system core:
The input end X0 of programmable controller or SCM system is with remote control/switch QS1-1 is connected on the spot, remote control/switch QS1-1 is connected with distant place valve opening switch TSO or valve opening switch S O on the spot respectively on the spot, its input end X1 is with remote control/switch QS1-2 is connected on the spot, remote control/switch QS1-2 is connected with distant place valve closing switch TSC or valve closing switch S C on the spot respectively on the spot, its input end X2 is connected with non-contact inductive switch S AO, its input end X3 is connected with non-contact inductive switch S AC, its input end X4 is connected with No. 96 terminals with the output contact 95 of electronic type overcurrent relay DJ, its input end X5 is connected with switch button SS, the output terminal Y0 of programmable controller or SCM system with open valve relay coil J1 one end and be connected, opening the valve relay coil J1 the other end joins through normally-closed contact and the air-break switch CB lower contact 1L1 of thermorelay RJ, close the output terminal Y1 of valve relay coil J2 one termination programmable controller or SCM system, the other end is through the normally-closed contact of thermorelay RJ and the air-break switch CB lower contact 1L1 that joins, open the output terminal Y2 of its coil one termination programmable controller of spacing relay 1ZJ or SCM system, the other end and air-break switch CB lower contact 1L1 join, close the output terminal Y3 of its coil one termination programmable controller of spacing relay 2ZJ or SCM system, the other end and air-break switch CB lower contact 1L1 join, cross moment reset relay 3ZJ, the output terminal Y4 of its coil one termination programmable controller or SCM system, the other end and air-break switch CB lower contact 1L1 join, cross moment alarming relay 4ZJ, the output terminal Y5 of its coil one termination programmable controller or SCM system, the other end and air-break switch CB lower contact 1L1 join, the common port COM0 of output terminal, COM1, COM2 also connects together, and is connected to power input N;
Motoring part is made up of air-break switch CB, contacts of contactor J1 and J2, hot protective relay RJ and electronic type overcurrent relay DJ:
The 380V power supply is linked relay J 1 and the upper end, J2 contact of rotating and reverse in parallel through air-break switch CB, and the lower end, contact that rotates and reverse relay J 1 and J2 is connected to motor M through thermorelay RJ;
Indicating section is made up of contact and the tutorial light of safety fuse cutout 1F, relay 1ZJ, 2ZJ, QS1-3,4ZJ, J1, J2:
The 220V power supply connects the two ends of power supply indicator D1 through safety fuse cutout F1, export the two ends that normally opened contact is added to standard-sized sheet tutorial light D2 through opening spacing relay 1ZJ, export the two ends that normally opened contact is added to complete shut-down tutorial light D3 through closing spacing relay 2ZJ, QS1-3 is added to the two ends that lamp D4 is shown in remote control through teleswitch output normally-closed contact, be added to the two ends of overload light D5 through overload relay 4ZJ output normally opened contact, be added to the two ends of opening tutorial light D6 through opening valve relay J1 output normally opened contact, be added to the two ends of closing tutorial light D7 through closing valve relay J2 output normally opened contact.
The utility model surmounts traditional approach fully, collection non-contact inductive location, the reciprocating type bulk solid of intelligence is dodged with electronic overload and is detected these several big advantages in one, fundamentally solve problem of this long-term puzzlement power plant of stuck and alignment error that traditional coal gate exists, compare with the coal lock that the many revolutions electric actuator that extensively adopts at present drives and have four important breakthroughs:
(1) adopt the non-contact inductive element directly to measure the physical location of valve flashboard, need not to adjust, nothing dislocation makes the sorrow that gate fits badly, farewell conventional electric head rely on the inner indirectly definite position of strobe of number of turns counting because of step-out causes, and this is wasted time and energy and inaccurate method;
(2) meet gathering coal when blocking, have and dodge function automatically, safer, more reliable, and unlike tradition is turned round the coal lock that electric actuator drives more once blocking the need manual intervention;
(3) operating mode of real-time monitoring driving motor has multiple protection functions, need not to adjust repeatedly moment;
(4) easy to use, need not use experience, need not painstakingly to set.
The utility model has the advantages that collection non-contact inductive location, intelligent reciprocating type bulk solid is dodged with electronic overload and is detected these several big advantages in one, and the second class protection that has thermorelay to provide, and has higher device security.Fundamentally solve stuck and this ubiquitous problem of alignment error that traditional coal gate exists.
Description of drawings
Fig. 1 is reciprocating type coal valve driving of a kind of intelligence and control gear electrical schematic.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Present embodiment is selected programmable controller for use.
As shown in Figure 1, be coal-feeding conveyer reciprocating type coal valve driving of intelligence and control system electrical schematic, it adds that by programmable controller the switching value input and output are the core, and motoring part and indicating section are formed.
The core component of system is made up of programmable controller, and as its ac power supply, input end is made up of following several parts by 220VAC:
The input end X0 of programmable controller is with remote control/switch QS1-1 is connected on the spot, remote control/switch QS1-1 is connected with distant place valve opening switch TSO or valve opening switch S O on the spot respectively on the spot, valve opening action command input end X0 is by remote control/switch QS1-1 selects distant place valve opening switch TSO or valve opening switch S O on the spot to import as the valve opening action command on the spot.
The input end X1 of programmable controller is with remote control/switch QS1-2 is connected on the spot, remote control/switch QS1-2 is connected with distant place valve closing switch TSC or valve closing switch S C on the spot respectively on the spot, valve closing action command input end X1 is by remote control/switch QS1-2 selects distant place valve closing switch TSC or valve closing switch S C on the spot to import as the valve closing action command on the spot.
The input end X2 of programmable controller is connected with non-contact inductive switch S AO, and valve reaches bit instruction input end X2, is directly imported by the non-contact inductive switch S AO that is installed in standard-sized sheet side on the valve body, indicates when early gate to be in fully open position.
The input end X3 of programmable controller is connected with non-contact inductive switch S AC, and valve closes bit instruction input end X3, is directly imported by the non-contact inductive switch S AC that is installed in complete shut-down side on the valve body, indicates when early gate to be in the complete shut-down position.
The input end X4 of programmable controller is connected with No. 96 terminals with the output contact 95 of electronic type overcurrent relay DJ, overcurrent signal input end X4, be taken from output contact 95 and No. 96 terminals of the electronic type overcurrent relay DJ of belt current detection, this make contact shows the valve driving motor overload, and programmable controller HX reaches the purpose of dodging by output control motor time-out and counter-rotating after receiving this signal.
The input end X5 of programmable controller is connected with switch button SS, suddenly stop/reset signal is input to terminal X5, and the input of this switch button SS is used for anxious unlatching or the closing motion that stops valve, also can import as reset signal when disorderly closedown.
The core component of system is that the programmable controller output terminal is made up of following several parts:
Open the output terminal Y0 of valve relay coil J1 one termination programmable controller, the other end joins through normally-closed contact and the air-break switch CB lower contact 1L1 of thermorelay RJ.Drive motor just changes;
Close the output terminal Y1 of valve relay coil J2 one termination programmable controller, the other end is through the normally-closed contact of thermorelay RJ and the air-break switch CB lower contact 1L1 that joins.The drive motor counter-rotating;
Open spacing relay 1ZJ, the output terminal Y2 of its coil one termination programmable controller, the other end and air-break switch CB lower contact 1L1 join.Its switching signal shows that valve has reached the position.
Close spacing relay 2ZJ, the output terminal Y3 of its coil one termination programmable controller, the other end and air-break switch CB lower contact 1L1 join.Its switching signal shows that valve has closed and puts in place.
Cross moment reset relay 3ZJ, the output terminal Y4 of its coil one termination programmable controller, the other end and air-break switch CB lower contact 1L1 join.The switching signal of its output is used for resetting of electronic type overcurrent relay DJ.Cross moment alarming relay 4ZJ, the output terminal Y5 of its coil one termination programmable controller, the other end and air-break switch CB lower contact 1L1 join.Its switching signal is used to be illustrated in and meets obstructions excessive and after causing overload, through after N (N 〉=3, N can set) reciprocating action, still meet excessive resistance.Common port COM0, COM1, the COM2 of output terminal also connects together, and is connected to power input N.
The motoring part partly is made up of air-break switch CB, contacts of contactor J1 and J2, hot protective relay RJ and electronic type overcurrent relay DJ etc.:
The 380V power supply is linked relay J 1 and the upper end, J2 contact of rotating and reverse in parallel through air-break switch CB, and the lower end, contact that rotates and reverse relay J 1 and J2 is connected to motor M through thermorelay RJ (second class protection).Wherein two power lines are used to monitor the electric current of motor M through the mutual inductor of electronic type overcurrent relay DJ.Electronic type overcurrent relay DJ joins through normally-closed contact and the air-break switch CB lower contact of reset relay 3ZJ.The size of overcurrent and overload time all can be set.
Indicating section is made up of contact and the tutorial light of safety fuse cutout 1F, relay 1ZJ, 2ZJ, QS1-3,4ZJ, J1, J2:
The 220V power supply directly is added to the two ends of power supply indicator D1 through safety fuse cutout F1, and whether indication mechanism powers on; Export the two ends that normally opened contact is added to standard-sized sheet tutorial light D2 through opening spacing relay 1ZJ, whether the indication valve has been in fully open position; Export the two ends that normally opened contact is added to complete shut-down tutorial light D3 through closing spacing relay 2ZJ, whether the indication valve has been in fully open position; QS1-3 is added to the two ends that lamp D4 is shown in remote control through teleswitch output normally-closed contact, and whether the indication valve has been in remote state; 4ZJ exports the two ends that normally opened contact is added to overload light D5 through the overload relay, and whether the indication valve has been in overload; Be added to the two ends of opening tutorial light D6 through opening valve relay J1 output normally opened contact, whether the indication valve has been in the opening process; Be added to the two ends of closing tutorial light D7 through closing valve relay J2 output normally opened contact, whether the indication valve has been in and has closed in the closed procedure.
Native system also to the central station of floating dock in a distant place standard-sized sheet 1ZJ, complete shut-down 2ZJ be provided, cross moment 4ZJ, remote control and QS1-4 contact signal on the spot.
Table 1 is that the utility model compares with conventional electric final controlling element coal valve driving and control system performance
Table 1
Claims (1)
1. reciprocating type coal valve driving of intelligence and control gear is characterized in that, are made up of programmable controller or SCM system core, motoring part and indicating section:
Programmable controller or SCM system core:
The input end X0 of programmable controller or SCM system is with remote control/switch QS1-1 is connected on the spot, remote control/switch QS1-1 is connected with distant place valve opening switch TS0 or valve opening switch S 0 on the spot respectively on the spot, its input end X1 is with remote control/switch QS1-2 is connected on the spot, remote control/switch QS1-2 is connected with distant place valve closing switch TSC or valve closing switch S C on the spot respectively on the spot, its input end X2 is connected with non-contact inductive switch S A0, its input end X3 is connected with non-contact inductive switch S AC, its input end X4 is connected with No. 96 terminals with the output contact 95 of electronic type overcurrent relay DJ, its input end X5 is connected with switch button SS, the output terminal Y0 of programmable controller or SCM system with open valve relay coil J1 one end and be connected, opening the valve relay coil J1 the other end joins through normally-closed contact and the air-break switch CB lower contact 1L1 of thermorelay RJ, close the output terminal Y1 of valve relay coil J2 one termination programmable controller or SCM system, the other end is through the normally-closed contact of thermorelay RJ and the air-break switch CB lower contact 1L1 that joins, open the output terminal Y2 of its coil one termination programmable controller of spacing relay 1ZJ or SCM system, the other end and air-break switch CB lower contact 1L1 join, close the output terminal Y3 of its coil one termination programmable controller of spacing relay 2ZJ or SCM system, the other end and air-break switch CB lower contact 1L1 join, cross moment reset relay 3ZJ, the output terminal Y4 of its coil one termination programmable controller or SCM system, the other end and air-break switch CB lower contact 1L1 join, cross moment alarming relay 4ZJ, the output terminal Y5 of its coil one termination programmable controller or SCM system, the other end and air-break switch CB lower contact 1L1 join, the common port COM0 of output terminal, COM1, COM2 also connects together, and is connected to power input N;
Motoring part is made up of air-break switch CB, contacts of contactor J1 and J2, hot protective relay RJ and electronic type overcurrent relay DJ:
The 380V power supply is linked relay J 1 and the upper end, J2 contact of rotating and reverse in parallel through air-break switch CB, and the lower end, contact that rotates and reverse relay J 1 and J2 is connected to motor M through thermorelay RJ;
Indicating section is made up of contact and the tutorial light of safety fuse cutout 1F, relay 1ZJ, 2ZJ, QS1-3,4ZJ, J1, J2:
The 220V power supply connects the two ends of power supply indicator D1 through safety fuse cutout F1, export the two ends that normally opened contact is added to standard-sized sheet tutorial light D2 through opening spacing relay 1ZJ, export the two ends that normally opened contact is added to complete shut-down tutorial light D3 through closing spacing relay 2ZJ, QS1-3 is added to the two ends that lamp D4 is shown in remote control through teleswitch output normally-closed contact, be added to the two ends of overload light D5 through overload relay 4ZJ output normally opened contact, be added to the two ends of opening tutorial light D6 through opening valve relay J1 output normally opened contact, be added to the two ends of closing tutorial light D7 through closing valve relay J2 output normally opened contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200770628U CN201190828Y (en) | 2007-12-24 | 2007-12-24 | Intelligent reciprocating type coal valve drive and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200770628U CN201190828Y (en) | 2007-12-24 | 2007-12-24 | Intelligent reciprocating type coal valve drive and control device |
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| Publication Number | Publication Date |
|---|---|
| CN201190828Y true CN201190828Y (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200770628U Expired - Fee Related CN201190828Y (en) | 2007-12-24 | 2007-12-24 | Intelligent reciprocating type coal valve drive and control device |
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| Country | Link |
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| CN (1) | CN201190828Y (en) |
Cited By (4)
| 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 |
| CN102278517A (en) * | 2011-07-08 | 2011-12-14 | 云南大红山管道有限公司 | Auxiliary protection method for slurry pipeline electric valve |
| CN102734530A (en) * | 2011-03-30 | 2012-10-17 | 阿自倍尔株式会社 | Positioner |
| CN110155747A (en) * | 2019-06-06 | 2019-08-23 | 中冶长天国际工程有限责任公司 | Automatic ash-discharging system, automatic ash-discharging control method and device |
-
2007
- 2007-12-24 CN CNU2007200770628U patent/CN201190828Y/en not_active Expired - Fee Related
Cited By (6)
| 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 |
| CN102734530A (en) * | 2011-03-30 | 2012-10-17 | 阿自倍尔株式会社 | Positioner |
| CN102734530B (en) * | 2011-03-30 | 2014-10-29 | 阿自倍尔株式会社 | Positioner |
| CN102278517A (en) * | 2011-07-08 | 2011-12-14 | 云南大红山管道有限公司 | Auxiliary protection method for slurry pipeline electric valve |
| CN102278517B (en) * | 2011-07-08 | 2012-11-07 | 云南大红山管道有限公司 | Auxiliary protection method for slurry pipeline electric valve |
| CN110155747A (en) * | 2019-06-06 | 2019-08-23 | 中冶长天国际工程有限责任公司 | Automatic ash-discharging system, automatic ash-discharging control method and device |
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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: 20090204 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |