CN201322875Y - Electrical control system-9 of high tipper - Google Patents
Electrical control system-9 of high tipper Download PDFInfo
- Publication number
- CN201322875Y CN201322875Y CNU2008202324433U CN200820232443U CN201322875Y CN 201322875 Y CN201322875 Y CN 201322875Y CN U2008202324433 U CNU2008202324433 U CN U2008202324433U CN 200820232443 U CN200820232443 U CN 200820232443U CN 201322875 Y CN201322875 Y CN 201322875Y
- Authority
- CN
- China
- Prior art keywords
- control system
- plc
- frequency converter
- tipper
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model provides an electrical control system of a high tipper, relating to the electrical control technical field of mining production equipment. The electrical control system comprises a console (1), a power supply cabinet (2) and a frequency conversion cabinet (3), and mainly consists of a monitoring system and a brake control system. The monitoring system consists of a programmable logic controller (PLC)(4), a touch screen (5), an inverter (8), a shaft encoder (6) and a position sensor (7). The brake control system consists of the PLC (4), the inverter (8), a braking unit (9), an energy feedback unit (10) and a hydraulic braking device. The system utilizes the combination of the PLC (4) and the inverter (8), the high tipper is digitally controlled by frequency control, therefore, the automatic control of cyclic operation of the high tipper is realized, the problems of over-winding, squatting-down, impact caused by improper operation and the like existing in the operation process of the original high tipper are solved, the labor intensity of operators is decreased, and the production efficiency is improved.
Description
Technical field
The utility model relates to the electronic control technology field of production equipment, is specially a kind of electric-control system of mining high-place tippler.
Background technology
At present, the automatically controlled employing relay of high-place tippler is realized rotating control, manually-operated scheduling handle carries out the lifting of winch and knocks car, the problems such as impact that often have pulleying, pier jar, misoperation to cause in the operational process, operational process has bigger requirement to operator's experience and operant level, labor intensity of operating staff is big, fatiguability, and production is caused bigger safety and hidden danger of quality.
Summary of the invention
In order to remedy the defective of existing high-place tippler electric-control system, the utility model spy provides a kind of easy and simple to handle, variable ratio frequency changer speed governing, can realize the intelligent electric-controlled system of Redundant Control, safety and stability.
A kind of electric-control system of high-place tippler, comprise operator's console, power cabinet, frequency conversion tank, mainly by supervisory system, braking control system is formed, supervisory system is by PLC, frequency converter, touch-screen, shaft encoder, position transducer constitutes, braking control system is by PLC, frequency converter, brake unit constitutes, PLC, touch-screen is arranged in the operator's console, frequency converter, brake unit is arranged in the frequency conversion tank, shaft encoder, position transducer is connected with PLC by cable, PLC is connected with touch-screen, frequency converter is connected with PLC by cable, and brake unit is connected with frequency converter, and power cabinet is respectively to operator's console and frequency conversion tank power supply.
Braking control system also comprises energy feedback unit, and energy feedback unit is connected with frequency converter, brake unit respectively.
This electric-control system comprises two or three PLC, to realize Redundant Control, makes system more safe and reliable.
Position transducer comprises that one-level pulleying, limit pulleying, zero position protection, unloading position and the protection of pier car use position transducer, realizes the security monitoring of each operation steps.
Principle of work of the present utility model is: the inner high-speed counter that adopts of shaft encoder, count pulse is flowed to PLC, PLC judges constantly by program where the overturning cage has arrived according to the pulse that receives, thereby the size of control of conversion device frequency, the Frequency Converter Control rotating speed of motor, thereby reach the purpose that realizes multistage speed, frequency converter is transformed into the AC power of various frequencies with working power, to realize variable-speed operation; It is to realize energy-conservation and speed governing that frequency converter mainly acts on, and frequency converter and PLC constitute the frequency conversion speed-adjusting system with four-quadrant operation performance in conjunction with control, realizes frequency control, rotating speed control, the torque control of high dynamic performance; Adopt two covers or three cover PLC to realize Redundant Control on master control, the safety system software, electric-control system is equipped with touch-screen, entire work process is monitored, at the high-place tippler uphill process three grades of overtravel protections are set, comprise that the one-level software setting limits overtravel protection and two-stage hardware overtravel protection, in time brakes to guarantee the ascent stage pulleying; The decline process is provided with zero-bit and two protections of pier car, to prevent the infringement of pier car to mine car.
Beneficial effect: the utility model adopts PLC to combine with frequency converter, by frequency control high-place tippler is carried out Digital Control, realize the automatic control of high-place tippler cycle operation, the problems such as impact that the pulleying, pier jar, the misoperation that exist in the former high-place tippler operational process cause have been solved, many cover PLC Redundant Control have improved the security and the stability of system, reduce labor intensity of operating personnel, improved production efficiency.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
As shown in drawings: 1. operator's console, 2. power cabinet, 3. frequency conversion tank, 4.PLC, 5. touch-screen, 6. shaft encoder, 7. position transducer, 8. frequency converter, 9. brake unit, 10. energy feedback unit, 11. hydraulic valves.
A kind of electric-control system of high-place tippler, comprise operator's console 1, power cabinet 2, frequency conversion tank 3, by supervisory system, braking control system is formed, supervisory system is by PLC4, touch-screen 5, shaft encoder 6, position transducer 7 constitutes, braking control system is by PLC4, frequency converter 8, brake unit 9 and energy feedback unit 10 constitute, operator's console 1 is provided with PLC4, touch-screen 5, comprise frequency converter 8 in the frequency conversion tank 3, energy feedback unit 10, brake unit 9, shaft encoder 6, position transducer 7 is connected with PLC4 by cable, PLC4 is connected with touch-screen 5, frequency converter 8 is connected with PLC4 by cable, brake unit 9 is connected with energy feedback unit 10, energy feedback unit 10 is connected with frequency converter 8, and power cabinet 2 is given operator's console 1 and frequency conversion tank 3 power supplies respectively.
Position transducer 7 comprises that one-level pulleying, limit pulleying, zero position protection, unloading position and the protection of pier car use position transducer, realizes the security monitoring of each operation steps.
The shaft encoder 6 inner high-speed counters that adopt adopt Hall element to constitute position transducer 7.
This electric-control system adopts fieldbus and the mutual redundancy of two cover PLC, be used for on-the-spot increasing protection control and as standby, at three grades of overtravel protections of uphill process design, comprise one-level software overtravel protection and secondary hardware overtravel protection, in time brake with the pulleying of guaranteeing the ascent stage; The decline process is provided with zero-bit and two protections of pier car, and native system also is provided with the band-type brake fail safe, and when hydraulic brake is inoperative, cage will be got back to zero-bit according to normal decline process; Also be provided with the misorientation protection in the system, when actual direction is opposite with predetermined direction, equipment will be out of service in 2s.
When the high-place tippler operate as normal, cage descends, and intrasystem energy feedback unit 10 drops into automatically, to the electrical network feedback electric energy; If decline rate surpasses given speed, brake unit 9 drops into automatically, slows down; Near the parking stall, frequency converter 8 frequency reducings are slowed down and also to be stopped, hydraulic valve 11 control brake inputs, and when system breaks down when stopping in emergency, frequency converter brake unit and hydraulic brake unit are braked simultaneously.
The course of work of present embodiment is: shaft encoder 6 flows to PLC4 with count pulse, PLC4 judges constantly by program where the overturning cage has arrived according to the pulse that receives, thereby the size of control of conversion device 8 frequencies, frequency converter 8 control rotating speed of motor, thereby reach the purpose that realizes multistage speed, frequency converter 8 is transformed into the AC power of various frequencies with working power, to realize variable-speed operation; Frequency converter 8 main effects are to realize energy-conservation and speed governing, and frequency converter 8 and PLC4 constitute the frequency conversion speed-adjusting system with four-quadrant operation performance in conjunction with control, realize frequency control, rotating speed control, the torque control of high dynamic performance; Adopt two covers or three cover PLC to realize Redundant Control on master control, the safety system software, electric-control system is equipped with touch-screen 5, and entire work process is monitored.
Claims (4)
1. the electric-control system of a high-place tippler, comprise operator's console (1), power cabinet (2), frequency conversion tank (3) is characterized in that: whole electric-control system comprises supervisory system, braking control system, supervisory system is by PLC (4), frequency converter (8), touch-screen (5), shaft encoder (6), position transducer (7) constitutes, braking control system is by PLC (4), frequency converter (8), brake unit (9) constitutes, PLC (4), touch-screen (5) is arranged in the operator's console (1), frequency converter (8), brake unit (9) is arranged in the frequency conversion tank (2), shaft encoder (6), position transducer (7) is connected with PLC (4) by cable, PLC (4) is connected with touch-screen (5), frequency converter (8) is connected with PLC (4) by cable, and brake unit (9) is connected with frequency converter (8).
2. the electric-control system of high-place tippler according to claim 1 is characterized in that: comprise two PLC (4), carry out Redundant Control.
3. the electric-control system of high-place tippler according to claim 1, it is characterized in that: braking control system also comprises energy feedback unit (10), energy feedback unit (10) is connected with frequency converter (8), brake unit (9) respectively.
4. the electric-control system of high-place tippler according to claim 1 is characterized in that: position transducer (7) comprises one-level pulleying, limit pulleying, zero position protection, the protection of unloading position and pier car protection position transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202324433U CN201322875Y (en) | 2008-12-19 | 2008-12-19 | Electrical control system-9 of high tipper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202324433U CN201322875Y (en) | 2008-12-19 | 2008-12-19 | Electrical control system-9 of high tipper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322875Y true CN201322875Y (en) | 2009-10-07 |
Family
ID=41160252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202324433U Expired - Fee Related CN201322875Y (en) | 2008-12-19 | 2008-12-19 | Electrical control system-9 of high tipper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322875Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216385A (en) * | 2014-09-24 | 2014-12-17 | 洛阳新思路电气股份有限公司 | Electrical control device of steel tube heat treatment wire |
-
2008
- 2008-12-19 CN CNU2008202324433U patent/CN201322875Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216385A (en) * | 2014-09-24 | 2014-12-17 | 洛阳新思路电气股份有限公司 | Electrical control device of steel tube heat treatment wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20131219 |