CN201255809Y - Coal-bin limiting protection equipment - Google Patents
Coal-bin limiting protection equipment Download PDFInfo
- Publication number
- CN201255809Y CN201255809Y CNU2008201480078U CN200820148007U CN201255809Y CN 201255809 Y CN201255809 Y CN 201255809Y CN U2008201480078 U CNU2008201480078 U CN U2008201480078U CN 200820148007 U CN200820148007 U CN 200820148007U CN 201255809 Y CN201255809 Y CN 201255809Y
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- CN
- China
- Prior art keywords
- coal
- coal bunker
- switch triode
- limiting
- resistance
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- Expired - Fee Related
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Abstract
The utility model discloses a coal bin position limit protection device, which comprises a switch crystal triode, a relay, a light sound alarm circuit controlled by the contactor of the relay, and a signal input circuit as the electric control device of a coal feeder. The protection device utilizes the switch character of the crystal triode to control the wire clad current of the relay, to further control the switch of light sound alarm signals and the coal feeder. Therefore, when the coal of a coal bin reaches a limited position, the coal bin position limit protection device can emit sound and light alarm signals, and can automatically stop the coal feeder, the coal bin position limit protection device is electrically linked with the electric control switch of the coal feeder to prevent coal bins from emptying, reduce the impact rate of coal fall on the coal feeder, improve the safe operation of coal bin system and improve the service life of coal feeders.
Description
Technical field
The utility model relates to the electrical equipment control protective device, particularly a kind of coal bunker limiting and protecting device.
Background technology
Coal bunker is as the buffer storage coal device of Coal Transport system; be used for guaranteeing the continuity of Coal Transport; export with a K2 at coal bunker; K4 or JDG first band feeder transport the coal in the coal bunker; their common feature is successively coal to be sent forward; but; because they are installed on the coal bunker bottom; often being subjected to coal bunker coal impacts; particularly during the coal bunker hole capital after selling all securities; coal directly falls from tens meters Hatch Opening; cause feeder to damage easily; and to control not emptying of coal bunker; generally by manually signal being passed to coal bunker bottom tail feeder driver by coal bunker top adhesive tape conveyor head driver; the feeder driver obtains stopping the feeder operation behind the hole capital after selling all securities signal; thereby keep not emptying of coal bunker; this method is not only unreliable; and increased adhesive tape conveyor head driver's labour intensity; the driver is careless slightly; still can cause the coal bunker hole capital after selling all securities; make the protection of feeder not reach due effect, in case and feeder damages, cause the total system paralysis easily; increase when directly causing the check man; problems such as fee of material increase and feeder shortening in serviceable life, the safety in production in remote effect mining area.
The utility model content,
The purpose of this utility model is to provide a kind of coal bunker limiting and protecting device.
The technical solution of the utility model is: this device comprises an auxiliary reclay J1, the coil of this auxiliary reclay is connected with a switch triode BG3 between the back access power supply, the ground level of switch triode BG3 and one is by resistance R 4, the mid point of the bleeder circuit that the R5 series connection forms connects, the two ends of resistance R 5 are in parallel with a switch triode BG2, the ground level of switch triode BG2 links to each other through the output stage of resistance R 3 with another switch triode BG1, the ground level of switch triode BG1 links to each other with coal position sensing probe P, this device is by 12 volts of DC power supply, the pair of contact J of described auxiliary reclay
1-1Be connected into warning circuit, another is to contact J
1-2Be connected into the signal input circuit of feeder control panel.
Described switch triode BG3 is the NPN type, and the coil of auxiliary reclay is connected on its collector.
Described switch triode BG2 is the NPN type, and its collector connects positive source through resistance R 4.
Described switch triode BG1 is a positive-negative-positive, and its collector connects power cathode through resistance R 2, and base stage connects positive source through resistance R 1, and emitter is connected to a light emitting diode V1.
Described coal position sensing probe P is suspended in the coal bunker, is positioned at the minimum coal bit line place that coal bunker is set.
Described 12 volts of direct supplys protect power supply to provide by sealing-tape machine at random, resistance R 6 be connected between its both positive and negative polarity after light emitting diode V2 connects.
Described warning circuit comprises pilot lamp ZD1, ZD2 and alarm bell JL, and pilot lamp ZD1 is installed in the sealing-tape machine electric controller of coal bunker top, and pilot lamp ZD2, alarm bell JL are installed in the feeder electric controller of coal bunker bottom.
Described probe is made up of the balancing weight of steel wire and lower end.
This protective device has utilized the switching characteristic of transistor; pilot relay line bag J1 electric current; the switch of further guide sound, visual alarm and feeder; reach coal bin coal position limited place (when being hole capital after selling all securities); can not only provide obvious sound, visual alarm timely; and can realize the shutdown of feeder automatic emergency; " coal bunker is spacing " protection and feeder electric-controlled switch are chain by electrical equipment; guaranteed not hole capital after selling all securities of coal bunker; reduced the impingement rate of coal breakage, improved the serviceable life of coal bunker security of system operational capacity and feeder greatly feeder.
Description of drawings
Accompanying drawing 1 is the circuit theory diagrams of coal bunker limiting and protecting device.
Accompanying drawing 2 is that the layout of coal bunker limiting and protecting device is implemented synoptic diagram
Embodiment
The circuit theory diagrams of the utility model coal bunker limiting and protecting device such as accompanying drawing 1: this device comprises an auxiliary reclay J1; the coil of this auxiliary reclay is connected with a switch triode BG3 between the back access power supply; the ground level of switch triode BG3 and one is by resistance R 4; the mid point of the bleeder circuit that the R5 series connection forms connects; the two ends of resistance R 5 are in parallel with a switch triode BG2; the ground level of switch triode BG2 links to each other through the output stage of resistance R 3 with another switch triode BG1; the ground level of switch triode BG1 links to each other with coal position sensing probe P; this device is by 12 volts of DC power supply, the pair of contact J of described auxiliary reclay
1-1Be connected into warning circuit, another is to contact J
1-2Be connected into the signal input circuit of feeder control panel.
Described switch triode BG3 is the NPN type, and the coil of auxiliary reclay is connected on its collector.
Described switch triode BG2 is the NPN type, and its collector connects positive source through resistance R 4.
Described switch triode BG1 is a positive-negative-positive, and its collector connects power cathode through resistance R 2, and base stage connects positive source through resistance R 1, and emitter is connected to a light emitting diode V1.
Described coal position sensing probe P is suspended in the coal bunker, is positioned at the minimum coal bit line place that coal bunker is set.
Described 12 volts of direct supplys protect power supply to provide by sealing-tape machine at random, resistance R 6 be connected between its both positive and negative polarity after light emitting diode V2 connects.
Described warning circuit comprises pilot lamp ZD1, ZD2 and alarm bell JL, and pilot lamp ZD1 is installed in the sealing-tape machine electric controller of coal bunker top, and pilot lamp ZD2, alarm bell JL are installed in the feeder electric controller of coal bunker bottom.
Described probe is made up of the balancing weight of steel wire and lower end.
Accompanying drawing 2 is that layout of the present utility model is implemented synoptic diagram: 1 coal bunker among the figure, 2 feeders, 3 coal bunker top sealing-tape machines, 4 coal bunker top sealing-tape machine electric controllers, 5 coal bunker bottom feeder electric controllers, 6 probe stube cables, 7 wire rope, 8 counterweight steel plates, 9 minimum coal bit lines.
During work; limiting and protecting device and pilot lamp ZD1 are installed in 4 li of the electric controllers of adhesive tape driver driving chamber, coal bunker top; and add that by stube cable 6 and wire rope 7 probe that balancing weight 8 is done is suspended in the coal bunker; and be placed in minimum coal bit line 9 places that coal bunker is set; pilot lamp ZD2, alarm bell JL then are installed in the electric controller 5 of feeder driver driving chamber, coal bunker bottom; when coal bin coal position drops down onto spacing line when following (during the coal bunker hole capital after selling all securities); it is unsettled earth-free to pop one's head in as shown in Figure 2, at this moment transistor BG
1Base stage is in noble potential makes BG
1Conducting, light emitting diode V1 lights, and the indication coal bin coal position has dropped down onto probe following (being coal bunker hole capital after selling all securities), BG
1Conducting also makes BG
2Base stage is in noble potential and must conducts, BG
2Conducting makes BG
3End, the J1 relay does not have electricity and discharges, and makes normally closed contact J
1-1Closure, pilot lamp D
1, D
2Send hole capital after selling all securities indication, normally opened contact J simultaneously with alarm bell
1-2Disconnect, the signal input circuit of feeder control panel disconnects, and feeder stops automatically; Limit the position when above when coal bin coal position is back to probe, being located at that probe is surrounded by wet coal in the storehouse in, probe by the coal that wets through coal bunker wall ground connection, at this moment BG
1, BG
2End BG
3Base stage is in the noble potential conducting, and the charged adhesive of J1 relay makes normally closed contact J
1-1Disconnect pilot lamp D
1, D
2Extinguish, alarm bell L stops ringing normally opened contact J
1-2Closure, the signal input circuit conducting of feeder control panel, feeder runs well.
Resistance R 1 in the circuit, R2, R3, R4, R5, R6 are current-limiting resistance, and R1 is at probe P ground connection, BG
1When ending, protect 12 volts of not short circuits of power supply; R2 is at BG
1During conducting, limit the electric current of the light emitting diode V1 that flows through; R3 is at BG
1During conducting BG
2Suitable conducting electric current is provided; R4 is at BG
2During conducting, protect 12 volts of not short circuits of power supply, at BG
2When ending,, be BG by resistance R 4, R5 dividing potential drop
3Suitable forward voltage is provided; R6 then is the current-limiting resistance of light emitting diode V2.
12 volts of direct supplys in this protective device circuit are 12 volts of direct supplys that utilize sealing-tape machine to protect at random to provide; do not need to consider in addition protective device power supply problem in actual applications; reduced the input of equipment; 12 volts of direct supplys are safe voltage; can not bring harm, can not work the mischief yet mine safety to human body.
The V that in main circuit, increases
1, V
2Two light emitting diodes are used for detecting protective device circuit, V
2Light emitting diode can in time detect the break-make of 12 volts of feed circuit, and whether make the adhesive tape driver understand main power supply at any time normal; V
1Light emitting diode makes the adhesive tape driver be directly acquainted with the coal bin coal position position.Work as BG
1Conducting V
1Luminous, the indication coal bin coal position has dropped down onto below the probe; Work as BG
1By V
1Not luminous, the indication coal bin coal position has gone up to probe, V
1, V
2The interpolation of two light emitting diodes make holding circuit more the artificial supervision of one deck, make protection more reliable.
The probe lower end of being done by wire rope adds the counterweight steel plate, mainly is when preventing hole capital after selling all securities, and probe P unsettled false touch coal bunker wall that waves in the storehouse causes misconnection ground, thereby causes the misoperation of " coal bunker is spacing " protective device.
Installing and using of coal bunker limiting and protecting device; make coal bunker in service at sealing-tape machine; can constantly detect the coal position situation in the coal bunker that monitors, minimumly provide obvious sound, visual alarm when spacing, shut down with seasonal feeder automatic emergency when the coal position is lower than; prevented hole capital after selling all securities; minimizing improves the ability of fortune coal measures system safe handling and the serviceable life of feeder to the impact of feeder, has saved recondition expense; shortened the repair time, when having saved the check man and the input of new equipment, Master Cost.
Again since the coal position remain at minimum spacing on, reduced coal breakage to having deposited the bump of coal in the coal bunker, improved the recovery of lump coal, according to existing coal market market, the lump coal price is higher than the mixed coal price far away, and therefore, the raising of the lump coal recovery has also increased economic benefit for enterprise
The installation of coal bunker limiting and protecting device makes adhesive tape driver and feeder driver no longer worry the coal bunker hole capital after selling all securities, has alleviated labour intensity,, improved the efficient that colliery fortune coal measures is united greatly, guaranteed carrying out smoothly of Safety of Coal Mine Production.
Claims (8)
1; the coal bunker limiting and protecting device; it is characterized in that: this device comprises an auxiliary reclay J1; the coil of this auxiliary reclay is connected with a switch triode BG3 between the back access power supply; the ground level of switch triode BG3 and one is by resistance R 4; the mid point of the bleeder circuit that the R5 series connection forms connects; the two ends of resistance R 5 are in parallel with a switch triode BG2; the ground level of switch triode BG2 links to each other through the output stage of resistance R 3 with another switch triode BG1; the ground level of switch triode BG1 links to each other with coal position sensing probe P; this device is by 12 volts of DC power supply, the pair of contact J of described auxiliary reclay
1-1Be connected into warning circuit, another is to contact J
1-2Be connected into the signal input circuit of feeder control panel.
2, coal bunker limiting and protecting device according to claim 1 is characterized in that: switch triode BG3 is the NPN type, and the coil of auxiliary reclay is connected on its collector.
3, coal bunker limiting and protecting device according to claim 1 is characterized in that: switch triode BG2 is the NPN type, and its collector connects positive source through resistance R 4.
4, coal bunker limiting and protecting device according to claim 1 is characterized in that: switch triode BG1 is a positive-negative-positive, and its collector connects power cathode through resistance R 2, and base stage connects positive source through resistance R 1, and emitter is connected to a light emitting diode V1.
5, coal bunker limiting and protecting device according to claim 1 is characterized in that: coal position sensing probe P is suspended in the coal bunker, is positioned at the minimum coal bit line place that coal bunker is set.
6, coal bunker limiting and protecting device according to claim 1 is characterized in that: 12 volts of direct supplys protect power supply to provide by sealing-tape machine at random, resistance R 6 be connected between its both positive and negative polarity after light emitting diode V2 connects.
7, coal bunker limiting and protecting device according to claim 1; it is characterized in that: warning circuit comprises pilot lamp ZD1, ZD2 and alarm bell JL; pilot lamp ZD1 is installed in the sealing-tape machine electric controller of coal bunker top, and pilot lamp ZD2, alarm bell JL are installed in the feeder electric controller of coal bunker bottom.
8, the probe of coal bunker limiting and protecting device according to claim 1 is characterized in that: probe is made up of the balancing weight of steel wire and lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201480078U CN201255809Y (en) | 2008-07-16 | 2008-07-16 | Coal-bin limiting protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201480078U CN201255809Y (en) | 2008-07-16 | 2008-07-16 | Coal-bin limiting protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201255809Y true CN201255809Y (en) | 2009-06-10 |
Family
ID=40739135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201480078U Expired - Fee Related CN201255809Y (en) | 2008-07-16 | 2008-07-16 | Coal-bin limiting protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201255809Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032545A (en) * | 2014-06-17 | 2014-09-10 | 周轶文 | Safety washing machine |
| CN104048728A (en) * | 2014-06-27 | 2014-09-17 | 西安微纳传感器研究所有限公司 | Sound-light alarm circuit |
| CN106681290A (en) * | 2016-12-30 | 2017-05-17 | 成都凯圣捷科技有限公司 | Intelligent analyzing, processing-controlling and recycling prevention-control safety interlocking system for oil depot tank area |
-
2008
- 2008-07-16 CN CNU2008201480078U patent/CN201255809Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032545A (en) * | 2014-06-17 | 2014-09-10 | 周轶文 | Safety washing machine |
| CN104048728A (en) * | 2014-06-27 | 2014-09-17 | 西安微纳传感器研究所有限公司 | Sound-light alarm circuit |
| CN106681290A (en) * | 2016-12-30 | 2017-05-17 | 成都凯圣捷科技有限公司 | Intelligent analyzing, processing-controlling and recycling prevention-control safety interlocking system for oil depot tank area |
| CN106681290B (en) * | 2016-12-30 | 2024-01-23 | 成都凯圣捷科技有限公司 | Intelligent analysis control processing recovery pre-control safety interlocking system for tank farm of oil depot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YIMA MINING GROUP CO., LTD. Free format text: FORMER NAME: YIMA MINING( GROUP ) CO., LTD |
|
| CP03 | Change of name, title or address |
Address after: No 6, Tian Long Road, Henan, Yima: 472300 Patentee after: Yima Coal Industry Group Co., Ltd. Address before: No 6, Tian Long Road, Henan, Yima: 472300 Patentee before: Yima Coal Industry (Group) Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: HE NAN DAYOU ENERGY CO., LTD. Free format text: FORMER OWNER: YIMA MINING GROUP CO., LTD. Effective date: 20110328 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 472300 NO. 6, QIANQIU ROAD, YIMA CITY, HE NAN PROVINCE TO: 472300 YARD 6, QIANQIU EAST ROAD, YIMA CITY, HE NAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110328 Address after: 472300 No. six, long East Road, Yima, Henan Patentee after: Henan Da You Energy Co., Ltd. Address before: 472300 No. 6, Tian Long Road, Yima, Henan Patentee before: Yima Coal Industry Group Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20130716 |