CN102278517A - Auxiliary protection method for slurry pipeline electric valve - Google Patents
Auxiliary protection method for slurry pipeline electric valve Download PDFInfo
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- CN102278517A CN102278517A CN2011101905411A CN201110190541A CN102278517A CN 102278517 A CN102278517 A CN 102278517A CN 2011101905411 A CN2011101905411 A CN 2011101905411A CN 201110190541 A CN201110190541 A CN 201110190541A CN 102278517 A CN102278517 A CN 102278517A
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- valve
- tutorial light
- auxiliary protection
- electric valve
- time relay
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Abstract
The invention provides an auxiliary protection method for a slurry pipeline electric valve. In the method, a time relay starts timing when an operator operates an electric valve through a valve opening or closing button; after the time relay finishes timing, a time relay indicating lamp is electrified and flickers to inform the operator of the completion of the valve opening or closing action of the electric valve; the state of a switch-on indicating lamp or a switch-off indicating lamp is required to be noticed; and if the switch-on indicating lamp or the switch-off indicating lamp is not electrified for displaying, the valve opening or closing action is stopped to maintain the electric valve. By adopting the method, effective auxiliary protection can be performed on the electric valve.
Description
Technical field
The present invention relates to a kind of guard method, relate in particular to a kind of auxiliary protection method of slurry pipeline electric valve the electric valve switch.
Background technique
Slurry pipeline needs constantly by electric valve being carried out switching manipulation, the trend of change medium when transporting medium.
Because when transporting medium, the slurry pipeline overpressure, so valve is in switching process, the time that needs is longer, though each valve all is equipped with limit switch on the position that opens and closes, if limit switch damages, in the process that valve is opening and closing, detection causes valve to damage less than limit switch signal or because other fault can continue to carry out the action of driving valve or closing valve.
So not only influence is produced, if cause Lou ore deposit, not only causes economic loss, and befouling environment, and more seriously slurry transportation pipeline belongs to high pressure pipe line, reveals also can constitute certain threat to personal safety.
Summary of the invention
The object of the present invention is to provide a kind of auxiliary protection method of slurry pipeline electric valve, this method can be protected valve more effectively, has guaranteed production safety.
For realizing this goal of the invention, the invention provides a kind of auxiliary protection method of slurry pipeline electric valve, wherein this electric valve is protected control by a control box, and described control box is provided with out valve and closes valve button, stop button, the time relay, time relay tutorial light, reaches a tutorial light and the pass tutorial light that puts in place; The auxiliary protection method of this electric valve may further comprise the steps:
(1), press driving valve or closing the valve button when electric valve is driven valve or closed the valve operation of control box as the operator, a corresponding tutorial light or the pass tutorial light that puts in place that reaches extinguishes, and the described time relay picks up counting simultaneously;
(2), one first ticket reserving time of described time relay timing at interval after, time relay tutorial light gets electric and begins flicker;
(3), described time relay tutorial light glimmer one second ticket reserving time at interval after, judge described put in place the state of tutorial light of a tutorial light or pass that reaches;
(4), if described reach a tutorial light or pass put in place tutorial light be in show state then represent described electric valve drive valve or close valve operation operation normal; If described reach that a tutorial light or pass put that tutorial light is in that show state not then represents described electric valve in place drive valve or close valve operation operation undesired, need press stop button to break valve or to close the valve operation and overhaul.
Further in the described auxiliary protection method of foregoing invention, reaching the position and closing the position that puts in place of described electric valve is provided with corresponding limit switch, is used for driving valve and closing valve events and carry out position limitation protection described electric valve.
Further in the described auxiliary protection method of foregoing invention; in the described step (1) when electric valve being driven valve or close the valve operation; described limit switch disconnects and its cut-off signal is transferred to the time relay, and the described time relay picks up counting when obtaining this cut-off signal.
Further in the described auxiliary protection method of foregoing invention, described limit switch is moved to by electric valve and reaches a position or pass and put in place and trigger near the position; And described reach a tutorial light or pass put in place tutorial light demonstration by the limit switch after electric drives.
Further in the described auxiliary protection method of foregoing invention, described limit switch is the double-throw limit switch.
Further in the described auxiliary protection method of foregoing invention; reminding driving valve or close valve events and being near completion of operator's electric valve, and this time relay tutorial light stops flicker in described second ticket reserving time after at interval to time relay tutorial light by flicker.
Further in the described auxiliary protection method of foregoing invention, if driving valve or closing valve operation operation of described electric valve is normal, a then described tutorial light or the pass tutorial light that puts in place that reaches began to show before described time relay tutorial light stops flicker.
Further in the described auxiliary protection method of foregoing invention, described first ticket reserving time is depended on opening valve or pass required time of valve of electric valve at interval, it typically is 30 to 40 seconds, preferred 35 seconds.
Further in the described auxiliary protection method of foregoing invention, described second ticket reserving time is spaced apart 10-15 second.
Electric valve auxiliary protection method of the present invention has following beneficial effect:
1, improved the utilization efficiency of electric valve.
2, eliminated the possibility that material overflows.
3, effectively ensured production safety.
Description of drawings
Fig. 1: the control of slurry pipeline electric valve of the present invention and auxiliary protection device;
Fig. 2: the auxiliary protection method flow diagram of slurry pipeline electric valve of the present invention.
Description of reference numerals:
1-electric valve; 2-control box; 3-double-throw limit switch; 4-drive the valve button; 5-pass valve button; 6-stop button;
7-time relay; 8-time relay tutorial light; 9-reach a tutorial light; 10-close the tutorial light that puts in place.
Embodiment
Below in conjunction with attached Fig. 1 and 2 the present invention is specifically described.
Electric valve of the present invention as shown in Figure 1 is installed in the slurry pipeline, and by constantly electric valve being carried out switching manipulation to change the trend of pipeline medium.This electric valve carries out switch control and protection control by a control box, and described control box is provided with out valve button 4, closes valve button 5, stop button 6, the time relay 7, time relay tutorial light 8, reach a tutorial light 9 and the pass tutorial light 10 that puts in place.And described electric valve reach the position and the position that puts in place, pass is provided with double-throw limit switch 3; be used for opening valve operation or closing the valve operation when finishing when electric valve; electric valve is carried out position limitation protection, prevent that it from opening the valve operation or pass valve operation surpasses specified limit and damages valve.
Guard method of the present invention as shown in Figure 2; when operator's driving valve button 4 or closing 5 pairs of electric valves 1 of valve button when operating by control box 2; limit switch 3 disconnects; and reaching a tutorial light 9 and the pass tutorial light 10 that puts in place extinguishes; the time relay 7 of control box 2 predetermined time interval that picks up counting simultaneously; this timing depends on that at interval electric valve drives valve or close the required time of valve; be usually located between 30 to 40 seconds; as 35 seconds; finish the timing of this predetermined time interval when time relay 7 after; time relay tutorial light 8 gets electric and begins flicker; inform driving valve or close valve events and being near completion of operator's electric valve 1; this time relay tutorial light 8 flicker one specified time intervals such as 10-15 second; the electric valve normal operation is near reaching put in place position and can not surpass specified limit of a position or pass in this particular time interval; if the running of the switch of this valve is normal; then it puts in place and can touch limit switch near the position reaching a position or pass; and if normally then it holds valve or pass valve events being subjected to can getting electric startup after valve triggers so that valve is finished to this limit switch; and this limit switch after electric provides drive signal so that reach a tutorial light 9 or close in the flicker at interval of tutorial light 10 at this time relay tutorial light 8 that put in place electricly and begin to show to reaching a tutorial light 9 or closing the tutorial light 10 that puts in place, with prompting operator's valve opening or close operation and normally finish.If above-mentioned limit switch breaks down or faults such as stuck appear in valve; then this limit switch can't get electric and start; also can't provide drive signal to reaching a tutorial light 9 or closing the tutorial light 10 that puts in place; then this reaches a tutorial light 9 or closes the tutorial light 10 that puts in place and also can not get electric after time relay tutorial light 8 stops flicker and demonstration; that is to say if reach a tutorial light 9 or close the tutorial light 10 that puts in place and after time relay tutorial light 8 stops flicker, do not show yet; then need press stop button 6 immediately this moment; to stop stopping valve or to close valve events; electric valve 1 and limit switch thereof are overhauled, to reach protection electric valve 1.
Below only be that technological thought of the present invention has been carried out exemplary illustration; be not construed as limiting the scope of the present invention; those skilled in the art also can carry out technology conversion well known in the art to the present invention in technological thought of the present invention; as above-mentioned reach a tutorial light 9 or close the tutorial light 10 that puts in place also can drive by other trigger mechanisms except that limit switch; as be arranged at the trigger button that electric valve reaches the position or closes the position that puts in place; reach a position or normally be closed to the position that puts in place, this pass when electric valve normally is opened to this; then it provides drive signal by pushing this trigger button for reaching a tutorial light or the pass tutorial light that puts in place; certainly this reaches a tutorial light or the pass tutorial light that puts in place and also can be driven when the electric valve normal operation by other triggering modes well known in the art, the protection domain that these all belong to the present invention and are covered.
Claims (12)
1. the auxiliary protection method of a slurry pipeline electric valve, this electric valve is protected control by a control box, and described control box is provided with out valve and closes valve button, stop button, the time relay, time relay tutorial light, reaches a tutorial light and the pass tutorial light that puts in place; The auxiliary protection method that it is characterized in that this electric valve may further comprise the steps:
(1), press driving valve or closing the valve button when electric valve is driven valve or closed the valve operation of control box as the operator, a corresponding tutorial light or the pass tutorial light that puts in place that reaches extinguishes, and the described time relay picks up counting simultaneously;
(2), one first ticket reserving time of described time relay timing at interval after, time relay tutorial light gets electric and begins flicker;
(3), described time relay tutorial light glimmer one second ticket reserving time at interval after, judge described put in place the state of tutorial light of a tutorial light or pass that reaches;
(4), if described reach a tutorial light or pass put in place tutorial light be in show state then represent described electric valve drive valve or close valve operation operation normal; If described reach that a tutorial light or pass put that tutorial light is in that show state not then represents described electric valve in place drive valve or close valve operation operation undesired, need press stop button to break valve or to close the valve operation and overhaul.
2. auxiliary protection method according to claim 1 is characterized in that the reaching the position and close the position that puts in place and be provided with corresponding limit switch of described electric valve, is used for driving valve and closing valve events and carry out position limitation protection described electric valve.
3. auxiliary protection method according to claim 2; it is characterized in that in the described step (1) when electric valve being driven valve or close the valve operation; described limit switch disconnects and its cut-off signal is transferred to the time relay, and the described time relay picks up counting when obtaining this cut-off signal.
4. according to claim 2 or 3 described auxiliary protection methods, it is characterized in that moving to by electric valve and reach a position or pass and put in place and trigger near the position at described limit switch.
5. auxiliary protection method according to claim 4, it is characterized in that described reach a tutorial light or pass put in place tutorial light demonstration by the limit switch after electric drives.
6. according to claim 2 or 3 or 5 described auxiliary protection methods, it is characterized in that described limit switch is the double-throw limit switch.
7. auxiliary protection method according to claim 1; it is characterized in that time relay tutorial light by flicker reminding driving valve or close valve events and being near completion of operator's electric valve, and this time relay tutorial light stops flicker in described second ticket reserving time after at interval.
8. according to claim 1 or 4 or 5 described auxiliary protection methods; it is characterized in that if driving valve or closing valve operation operation of described electric valve is normal a then described tutorial light or the pass tutorial light that puts in place that reaches began to show before described time relay tutorial light stops flicker.
9. auxiliary protection method according to claim 1 is characterized in that described first ticket reserving time depends on driving valve or closing the required time of valve of electric valve at interval.
10. auxiliary protection method according to claim 9 is characterized in that described first ticket reserving time is spaced apart 30 to 40 seconds.
11. auxiliary protection method according to claim 10 is characterized in that described first ticket reserving time is spaced apart 35 seconds.
12. auxiliary protection method according to claim 1 is characterized in that described second ticket reserving time is spaced apart 10-15 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101905411A CN102278517B (en) | 2011-07-08 | 2011-07-08 | Auxiliary protection method for slurry pipeline electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101905411A CN102278517B (en) | 2011-07-08 | 2011-07-08 | Auxiliary protection method for slurry pipeline electric valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278517A true CN102278517A (en) | 2011-12-14 |
| CN102278517B CN102278517B (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101905411A Active CN102278517B (en) | 2011-07-08 | 2011-07-08 | Auxiliary protection method for slurry pipeline electric valve |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1061820A (en) * | 1996-08-23 | 1998-03-06 | Tokico Ltd | Valve monitoring device |
| JPH10103559A (en) * | 1996-09-27 | 1998-04-21 | Mitsubishi Electric Corp | Driving circuit for electronic expansion valve |
| CN201190828Y (en) * | 2007-12-24 | 2009-02-04 | 上海新拓电力设备有限公司 | Intelligent reciprocating type coal valve drive and control device |
| CN201475467U (en) * | 2009-06-08 | 2010-05-19 | 夏东培 | Digital multifunctional electric valve controller |
| CN101825195A (en) * | 2009-03-03 | 2010-09-08 | 沈阳铝镁设计研究院 | Electric valve control device capable of realizing intelligent control |
-
2011
- 2011-07-08 CN CN2011101905411A patent/CN102278517B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1061820A (en) * | 1996-08-23 | 1998-03-06 | Tokico Ltd | Valve monitoring device |
| JPH10103559A (en) * | 1996-09-27 | 1998-04-21 | Mitsubishi Electric Corp | Driving circuit for electronic expansion valve |
| CN201190828Y (en) * | 2007-12-24 | 2009-02-04 | 上海新拓电力设备有限公司 | Intelligent reciprocating type coal valve drive and control device |
| CN101825195A (en) * | 2009-03-03 | 2010-09-08 | 沈阳铝镁设计研究院 | Electric valve control device capable of realizing intelligent control |
| CN201475467U (en) * | 2009-06-08 | 2010-05-19 | 夏东培 | Digital multifunctional electric valve controller |
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| Publication number | Publication date |
|---|---|
| CN102278517B (en) | 2012-11-07 |
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Owner name: YUXI DAHONGSHAN MINING INDUSTRY CO., LTD. Free format text: FORMER OWNER: YUNNAN DAHONGSHAN PIPELINE CO., LTD. Effective date: 20140911 |
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Effective date of registration: 20140911 Address after: 653405 Yuxi City, Yunnan province Xinping County gasatownship, kunsteel Dahongshan Iron Mine Patentee after: Yuxi Dahongshan Mining Co., Ltd. Address before: 653400 Yuxi City, Yunnan province Xinping Jiasa town Jiasa Avenue Patentee before: Yunnan Dahongshan Pipeline Co., Ltd. |
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Owner name: YUNNAN DAHONGSHAN PIPELINE CO., LTD. Effective date: 20141022 |
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Effective date of registration: 20141022 Address after: 653405 Yuxi City, Yunnan province Xinping County gasatownship, kunsteel Dahongshan Iron Mine Patentee after: Yuxi Dahongshan Mining Co., Ltd. Patentee after: Yunnan Dahongshan Pipeline Co., Ltd. Address before: 653405 Yuxi City, Yunnan province Xinping County gasatownship, kunsteel Dahongshan Iron Mine Patentee before: Yuxi Dahongshan Mining Co., Ltd. |