CN203268978U - Intelligent detection device of buried scraper bulk cargo conveying equipment - Google Patents
Intelligent detection device of buried scraper bulk cargo conveying equipment Download PDFInfo
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- CN203268978U CN203268978U CN2013201802814U CN201320180281U CN203268978U CN 203268978 U CN203268978 U CN 203268978U CN 2013201802814 U CN2013201802814 U CN 2013201802814U CN 201320180281 U CN201320180281 U CN 201320180281U CN 203268978 U CN203268978 U CN 203268978U
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- conveying equipment
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- scraper plate
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses an intelligent detection device of buried scraper bulk cargo conveying equipment. According to the intelligent detection device, work current values of a motor at different rotating speeds in the buried scraper bulk cargo conveying equipment are detected, the work current values and a stabilized current value are compared, and accordingly the operation state of the buried scraper bulk cargo conveying equipment is detected. The intelligent detection device has the advantages of being simple in structure, convenient and practical and capable of completely monitoring the operation state of the whole buried scraper bulk cargo conveying equipment as long as the work current values of the motor are monitored.
Description
Technical field
The utility model relates to the Bulk material field, particularly in the control system of embedded scraper transporter, and a kind of intelligent detecting method and equipment.
Background technology
Embedded scraper transporter is a kind of chain conveying machinery equipment in bulk conveying system, compare with traditional open band conveyor, embedded scraper transporter is in the transfer passage of sealing, carries out the conveying of bulk cargo, has dustproof, waterproof, antipollution advantage.
Domestic and international existing embedded scraper transporter is all the constant-speed operation mode that adopts, and electric motor protecting is when current of electric reaches a limit or rotating speed and detects the discovery speed signal and be zero, cuts off motor power, thereby reaches the purpose of protection motor.
In the bulk conveying system of reality, when tending to occur motor and also being less than the motor current limit value, because the material of bulk causes conveying machinery to be obstructed, and cause link plate distortion or the chain of conveying machinery to be broken.
If employing speed detects, before stall, just damaged mechanical device, as chain and link plate housing etc. even.
As seen, traditional bulk material conveying machinery, the way commonly used that electric motor protecting and putty detect can not really effectively be identified putty, scraper plate distortion, chain are broken, housing breaks even the problem such as burn-down of electric motor still exist.
Summary of the invention
The purpose of this utility model is, a kind of scraper plate bulk material conveying equipment intelligent detecting method and equipment of burying easy to operate, with low cost is provided, and can bury scraper plate bulk material conveying equipment running state according to current of electric identification, thereby reach the purpose of protection load transfer device.
The purpose of this utility model is achieved through the following technical solutions: a kind of in burying scraper plate bulk material conveying equipment intelligent detection equipment, check implement comprises being located at and buries the frequency converter on electric machine, current sensor, temperature sensor in the scraper plate bulk material conveying equipment, discharging opening is provided with angular-motion transducer, controller received current sensor, temperature sensor data, controller is controlled the transducer drive electric machine and is rotated.
Equipment also comprises leakage monitoring device, and leakage monitoring device is connected with controller.
the utility model has the advantage of, the electric machine that buries the scraper plate bulk material conveying equipment is normal under certain rotating speed, during stable work, received current is a relatively stable current value, along with burying the life cycle of scraper plate bulk material conveying equipment period of service near equipment, it is normal, under stable mode of operation, relatively stable current value also can present growth, when the stable electrical flow valuve during near the limit of the protection current of driving arrangement, bury the electric machine of scraper plate bulk material conveying equipment near last stage in life-span, need in time to change, balk cargo conveyor is in operational process, can be because of putty, or too fast to the balk cargo conveyor blanking velocity, cross that slow (different bulk cargos is because density is different, blanking will cause blanking velocity too fast or excessively slow to balk cargo conveyor under same speed, and the working rate that affects electric machine is imitated), and cause the electric current of the electric machine of balk cargo conveyor to change, controller is by comparing working current and steady-working state electric current, start the frequency conversion of transducer drive electric machine and change revolution, the concrete steps of adjusting are, adjust the revolution of electric machine according to working current value before adjusting, working current value before making the stable electrical flow valuve inputted in a step corresponding to electric machine revolution after adjustment and adjusting equates, as the working current value after adjusting or less than the stable operation current value of correspondence, expression is buried the scraper plate bulk material conveying equipment and is buried the scraper plate fracture, need repairing, as the working current value after adjusting or greater than the stable operation current value of correspondence, represent that putty appears in load transfer device, can also be in conjunction with the angular-motion transducer that is arranged in load transfer device, judge after comprehensive analyses which type of mode of operation buries the scraper plate bulk material conveying equipment is in, and regulate by retarder the electric machine mode of operation that buries the scraper plate bulk material conveying equipment and adapt to blanking velocity, or startup warning device, warning device sends warning, the prompting staff with to the running state of scraper plate bulk material conveying equipment in order to judge.
When the working current value in the c step surpasses 10 seconds less than the stable electrical flow valuve; controller starts the deceleration that frequency converter is adjusted electric machine; in burying scraper plate bulk material conveying equipment operational process; can be because bulk cargo Individual Size difference causes the working current in the short time too small; 10 seconds deferred reactions are set, are conducive to protection and bury scraper plate bulk material conveying equipment electric machine.
When in the c step, working current value surpasses 10 seconds greater than the stable electrical flow valuve, controller starts Frequency Converter Control electric machine speedup, the concrete steps of adjusting are, increase the revolution of electric machine according to working current value before adjusting, working current value before making the stable electrical flow valuve inputted in a step corresponding to electric machine revolution after adjustment and adjusting equates, as the working current value after adjusting or greater than the stable operation current value of correspondence, control and angular-motion transducer detect material without increase, and controller starts the deceleration of Frequency Converter Control electric machine.Because material does not increase, can judge that the electric current increase is not because material increases, and may be to run into the larger bulk cargo of volume or putty, protect load transfer device by deceleration.
Will generate heat after when electric machine moves one section; in general not having can be with reference to property; but the electric machine temperature traverse is too fast within a certain period; coordinate the variation of current value; can judge whether very accurately to occur putty; concrete method is; when working current value greater than the stable electrical flow valuve; temperature sensor detects the electric machine temperature data and determination data is transferred on controller; controller starts frequency converter and reduces the electric machine working speed; if the electric machine temperature continues to rise, controller is controlled electric machine and is shut down.
principle of work of the present utility model is, electric machine is under the state of different rotating speeds, have a relatively-stationary current value, this fixed current value fluctuation occurs or when high or low in actual moving process, electric machine operation mal when showing, this mal may be the fault of electric machine itself or the fault of electric machine institute actuating device, ventilating controller changes the electric machine revolution with frequency converter, monitor again adjust after working current value whether be greater than or less than or etc. the stable electrical flow valuve, judge whether motor driver takes action normally, the variation of utilization monitoring current is monitored electric machine and whether is had fault, it is also solvable another problem of the utility model, can different parameters be set according to different motors gets final product.
A kind of equipment that applies to bury scraper plate bulk material conveying equipment intelligent detecting method, comprise being located at and bury the frequency converter on electric machine, current sensor, temperature sensor in the scraper plate bulk material conveying equipment, angular-motion transducer in the load transfer device housing, warning device are connected with controller respectively.current sensor, temperature sensor is the working current value of electric machine, temperature value is passed to controller immediately, angular-motion transducer is passed to controller with the information of the operational throughput of material, controller is compared working current value and electric machine stable electrical flow valuve and operational throughput, when working current value during less than the stable electrical flow valuve, show underload or bury scraper plate or chain breakage, controller is controlled the mode of operation of electric machine by regulating frequency converter, when the working current value after adjustment equals the stable electrical flow valuve, expression is to adjust front motor device underload (blanking velocity is slow), can improve the electric machine rotating speed by control setup again after the speed governing blanking velocity, to improve the work efficiency of balk cargo conveyor, working current value after adjustment is during less than the stable electrical flow valuve, expression is buried and is buried scraper plate or chain breakage in the scraper plate bulk material conveying equipment, the dress of reporting to the police is alert, keeped in repair by the maintainer, when working current value during greater than the stable electrical flow valuve, show and may putty occur or blanking velocity is too fast, controller starts frequency converter accelerates the electric machine rotating speed, when the working current value after adjustment equals the stable electrical flow valuve, expression is to adjust front motor device overload (blanking velocity is fast), can reduce the electric machine rotating speed by control setup again after the speed governing blanking velocity, so that balk cargo conveyor is in good working order, as the working current value after adjusting or greater than the stable electrical flow valuve, information discharge quantity in conjunction with angular-motion transducer does not increase, the temperature of electric machine goes up not down simultaneously, show putty has occured, warning device is reported to the police, shut down.
Check implement also comprises photoelectrical coupler, and described current sensor, temperature sensor, angular-motion transducer are connected with controller by photoelectrical coupler respectively, prevents that internal signal from disturbing.
Description of drawings
Be described further below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the utility model equipment.
Fig. 2 is the utility model equipment work-based logic figure.
Fig. 3 is the utility model Equipment Inspection workflow diagram.
The specific embodiment
As Fig. 1, bury the frequency converter on electric machine 13 in the scraper plate bulk material conveying equipment, current sensor 6, temperature sensor 7, angular-motion transducer 4 is arranged on discharging opening 5, frequency converter 3, current sensor 6, temperature sensor 7 are connected with controller 2 respectively, and angular-motion transducer 4, warning device 8 are respectively at controller 2 series connection.
Preferred embodiment is buried the scraper plate bulk material conveying equipment and is also comprised photoelectrical coupler, and angular-motion transducer 4, current sensor 6, temperature sensor 7 are connected with controller 2 by photoelectrical coupler respectively.
In conjunction with Fig. 2, Fig. 3, use the monitoring method of burying scraper plate bulk material conveying equipment intelligent detection equipment, comprise the following steps:
A, mensuration are buried the stable electrical flow valuve A of the stable operation under electric machine 1 different rotating speeds in the scraper plate bulk material conveying equipment, and be transported to controller 2 measuring stable electrical flow valuve A, when measuring the stable electrical flow valuve A of electric machine 1, the aviation value that need to make the electric machine smooth operation measure three or four minutes current values after three or four minutes is stable electrical flow valuve A, and the temperature increase of this electric machine 1 therebetween is no more than percentage two;
B, use current sensor 6 detect the working current value B of electric machine 1 in described a steps, and working current value B are transported to controller 2;
c, stable electrical flow valuve A and the working current value B of controller 2 comparison electric machines 1 advance comparing, when working current value B surpasses 10 seconds less than stable electrical flow valuve A, controller 2 starts the deceleration that frequency converter 3 is adjusted electric machine 1, the concrete steps of adjusting are, reduce the revolution of electric machine 1 according to working current value B before adjusting, working current value B before making the stable electrical flow valuve A that inputs in a step corresponding to electric machine 1 revolution after adjustment and adjusting equates, as the working current value B after adjusting or less than the stable operation current value A of correspondence, represent that burying the scraper plate bulk material conveying equipment breaks down or bury scraper plate, chain breakage, when working current value B surpasses 10 seconds greater than stable electrical flow valuve A, when angular-motion transducer 4 detects the material increase, controller 2 starts frequency converter 3 and adjusts electric machine 1 speedup, the concrete steps of adjusting are, increase the revolution of electric machine 1 according to working current value B before adjusting, working current value B before making the stable electrical flow valuve A that inputs in a step corresponding to electric machine 1 revolution after adjustment and adjusting equates, as the working current value B after adjusting or greater than the stable operation current value A of correspondence, represent that burying the scraper plate bulk material conveying equipment putty occurs, when angular-motion transducer 4 detects inlet amount without increase, controller 2 starts frequency converter 3 and adjusts electric machine 1 deceleration, bury the scraper plate bulk material conveying equipment with protection, controller 2 starts warning device 8, detecting as temperature sensor 7 rises in the operating temperature ten seconds of electric machine 1 surpasses 30 percent, stop electric machine 1 work by device 2 processed.
Bury by test the maximum pull that scraper plate bulk material conveying equipment middle scraper and chain bear; in conjunction with institute's necessary electromotor device 1 power and reductor speed ratio; electric machine 1 working current that backwards calculation goes out equipment when bearing maximum pull; and with this as conveyer protection current value; stable electrical flow valuve A and working current value B are all much smaller than conveyer protection current value.Bury scraper plate bulk material conveying equipment intelligent detecting method and also can be used for measure and bury scraper plate bulk material conveying equipment speed running body state, when what measure, stable electrical flow valuve A is during near conveyer protection current value, ageing equipment.
principle of work: the stable electrical flow valuve A according to test determination electric machine 1 under different rotating speeds, and input control device 2, after burying the operation of scraper plate bulk material conveying equipment, during current sensor 6, real working current value B measuring electric machine 1 is transferred to controller 2, 2 couples of working current value B of controller and stable electrical flow valuve A compare, all differ when being no more than 5 percent when two, controller 2 is not worked, when working current value B is less than or greater than stable electrical flow valuve A and surpasses 5 percent, and after more than ten kind second, controller 2 starts the mode of operation of frequency converter 3 regulating electric machine devices 1, bury scraper plate bulk material conveying equipment running condition with judgement or protection.
Claims (2)
1. one kind is buried scraper plate bulk material conveying equipment intelligent detection equipment, it is characterized in that: described check implement comprises and is located at frequency converter (3), current sensor (6), the temperature sensor (7) that buries on electric machine in the scraper plate bulk material conveying equipment (1), be installed on the angular-motion transducer (4) of inlet point (5), controller (2) received current sensor (6), temperature sensor (7) data, controller (2) is controlled frequency converter (3) drive motor means (1) and is rotated.
2. a kind of scraper plate bulk material conveying equipment intelligent detection equipment that buries according to claim 1, it is characterized in that: described equipment also comprises leakage monitoring device, leakage monitoring device is connected with controller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201802814U CN203268978U (en) | 2013-04-11 | 2013-04-11 | Intelligent detection device of buried scraper bulk cargo conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201802814U CN203268978U (en) | 2013-04-11 | 2013-04-11 | Intelligent detection device of buried scraper bulk cargo conveying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203268978U true CN203268978U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201802814U Expired - Fee Related CN203268978U (en) | 2013-04-11 | 2013-04-11 | Intelligent detection device of buried scraper bulk cargo conveying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203268978U (en) |
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2013
- 2013-04-11 CN CN2013201802814U patent/CN203268978U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| 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: 20131106 Termination date: 20200411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |