CN214113988U - Intelligent monitoring protection device for high-power long-distance conveyor - Google Patents
Intelligent monitoring protection device for high-power long-distance conveyor Download PDFInfo
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- CN214113988U CN214113988U CN202023157638.6U CN202023157638U CN214113988U CN 214113988 U CN214113988 U CN 214113988U CN 202023157638 U CN202023157638 U CN 202023157638U CN 214113988 U CN214113988 U CN 214113988U
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Abstract
The utility model belongs to the technical field of conveyor monitoring protection, in particular to an intelligent monitoring protection device for a high-power long-distance conveyor, which comprises a belt conveyor and an MCU module, wherein the upper part of the belt conveyor is provided with a turnover type discharging chute, the discharging opening part of the discharging chute is provided with a turnover chute wall, the intelligent monitoring protection device also comprises a stress acquisition module, a pressure-sensitive detection module, a vibration detection module and an insulation detection module, a signal output by the stress acquisition module enters the MCU module after being converted by an A/D converter, a signal output by the pressure-sensitive detection module enters the MCU module after being converted by the A/D converter, an output signal of the vibration detection module enters the MCU module after being processed by a high-frequency processing module, the insulation detection module comprises a high-voltage bag, a detection switch module and a current signal processing module, the output end of the high-voltage bag is connected to a motor coil through the detection switch module and enters the MCU module after being processed by the current signal processing module and converted by the A/D converter, the output end of the MCU module is also connected with the detection switch module.
Description
Technical Field
The utility model belongs to the technical field of the conveyer control protection, concretely relates to high-power long distance conveyer intelligent monitoring protection device.
Background
The development of the belt conveyor technology at home and abroad is fast, and the belt conveyor technology mainly shows two aspects: on one hand, the function diversification and the application range expansion of the belt conveyor are realized; on the other hand, the technology and the equipment of the belt conveyor are greatly developed, and especially the large belt conveyor with long distance, large transportation capacity, high belt speed and the like becomes the main development direction, and the development of the belt conveyor is more rapid especially in the coal industry.
The belt conveyor in the coal industry has the characteristics of long distance, high rotating speed and large conveying capacity, and the traditional belt conveyor only has start-stop control and conventional deviation, tearing and other detection devices, and cannot realize the functions of fault prediction and fault treatment. Big coal cinder jam often appears in coal conveyor unloading chute opening, makes the belt bear great pulling force, appears skidding and indulges even and tears, simultaneously because the belt distance is long, the off tracking probability height appears, and the tradition mode can only take place serious off tracking or tear the back artificial restoration, wastes plenty of time, manpower and financial resources at the belt.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a high-power long distance conveyor intelligent monitoring protection device realizes production process intelligent monitoring, management and plant maintenance, has the characteristics that security and reliability are high.
In order to achieve the above object, the utility model provides a following technical scheme: the intelligent monitoring and protecting device for the high-power long-distance conveyor comprises a belt conveyor and an MCU (microprogrammed control unit) module, wherein a turnover type discharging chute is arranged at the upper part of the belt conveyor, and a turnover chute wall is arranged at a discharging port of the discharging chute;
the signal of stress collection module output enters into to the MCU module after the AD converter conversion, the signal of pressure sensitive detection module output enters into to the MCU module after the AD converter conversion, the output signal of vibration detection module gets into the MCU module after the high frequency processing module handles, insulating detection module includes high-pressure package, detection switch module and current signal processing module, the output of high-pressure package passes through detection switch module and connects in motor coil department to get into the MCU module after current signal processing module handles and the AD converter conversion, the output of MCU module still is connected with detection switch module.
Preferably, the motor voltage detection device comprises a voltage detection module for detecting the voltage of the motor, the output end of the voltage detection module is connected with a step-down transformer, and an output signal of the step-down transformer enters the MCU module after being processed by the filtering anti-interference module and converted by the A/D converter.
Preferably, the motor current detection device comprises a current detection module for detecting the current of the motor, the output end of the current detection module is connected with a current transformer, and an output signal of the current transformer enters the MCU module after being converted by the A/D converter.
Preferably, the device comprises a deviation switch for detecting deviation of the belt, and an output end of the deviation switch is connected with an input end of the MCU module.
Preferably, the device comprises a belt slip detector for detecting belt slip, and the output end of the slip detector is connected with the input end of the MCU module.
Preferably, the stress acquisition module comprises a stress sensor, the upper end of the overturning groove wall is hinged to the discharging chute, the outer side wall of the overturning groove wall is further connected with the discharging chute through a hydraulic cylinder, and two ends of the hydraulic cylinder are respectively hinged to the overturning groove wall and the discharging chute.
Preferably, the pressure-sensitive detection module comprises a pressure sensor, and the pressure sensor is mounted at the lower part of the upper belt surface and close to the discharge hole direction of the discharging chute.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a carry out stress detection to unloading chute wall, can analyze the unloading chute discharge gate putty condition, realize the putty, tear the early warning, the while control pneumatic cylinder makes the upset of upset cell wall, solves the chute putty, prevents that the belt from tearing.
2. The utility model provides an insulating detection module can realize to motor three-phase winding to ground insulation resistance's automatic measure, record and analysis function, obtains motor fault trend through the measured data analysis after shutting down at every turn, acquires motor real-time data, analysis motor life through the communication simultaneously.
3. The utility model discloses can realize the online diagnosis of equipment trouble to the real-time analysis of the motor vibration condition in the belt feeder, prejudge equipment running state.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic structural diagram of a stress collection of a blanking chute;
in the figure: 1 belt feeder, 2 unloading chutes, 3 upset cell walls, 4 pneumatic cylinders.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, the present embodiment provides the following technical solutions: the utility model provides a high-power long distance conveyor intelligent monitoring protection device, includes belt feeder 1 and MCU module, the upper portion of belt feeder 1 is provided with convertible unloading chute 2, 2 discharge outlets of unloading chute department are provided with upset cell wall 3, upset cell wall 3 is towards the direction of delivery of belt feeder 1, still including the stress collection module that is used for detecting chute stress, be used for detecting the torn pressure-sensitive detection module of belt, be used for detecting the vibration detection module of motor vibration and be used for the insulating detection module when the motor shuts down.
The stress acquisition module comprises a stress sensor, the upper end of the turnover groove wall 3 is hinged to the discharging chute 2, the outer side wall of the turnover groove wall 3 is further connected with the discharging chute 2 through a hydraulic cylinder 4, two ends of the hydraulic cylinder 4 are respectively hinged to the turnover groove wall 3 and the discharging chute 2, and signals output by the stress acquisition module enter the MCU module after being converted by the A/D converter
During belt normal operating, the chute exit coal cinder receives belt feeder 1 traction force to the effect of chute cell wall production force, and the atress influences, and the cell wall produces stress deformation, if take place the bulk coal putty, atress increase suddenly around the cell wall, and the belt is if receive the coal cinder to scrape the damage for a long time, must produce and tear.
In the operation process of the belt conveyor 1 in this embodiment, as shown in fig. 2, the feeding chute 2c is a main force receiving side Fc, b is a passive force receiving side Fb, and a scraping force Fa is generated at the belt a due to the combined action of c and b, and since the position of the a point cannot be accurately determined, the force is difficult to determine, but the magnitude of Fa is proportional to Fc and Fb, horizontal component forces are adopted at the position, and since the magnitudes of Fc and Fb are proportional to the wall stresses of the c and b side walls, the wall stress can be measured to reflect Fa value, so that material blockage can be accurately determined, and the tearing problem can be predicted. c. And b, measuring the stress of the side b by using a high-sensitivity stress sensor, finally transmitting the acquired signal to an MCU module to complete signal processing, and performing functions of material blockage alarming, tearing early warning and emergency stop signal output.
The pressure-sensitive detection module comprises a pressure sensor, the pressure sensor is installed on the lower portion of the upper belt surface and close to the direction of a discharge hole of the discharging chute 2, signals output by the pressure-sensitive detection module enter the MCU module after being converted by the A/D converter, in the running process of the belt conveyor 1, when the belt is torn, the materials can give certain pressure to the pressure sensor, the signals are processed by the MCU module at the moment, and the processing can be conveniently and timely carried out.
The output signal of the vibration detection module enters the MCU module after being processed by the high-frequency processing module, and the vibration detection module comprises a vibration sensor arranged on a motor frame, so that the vibration condition of a motor in the belt conveyor 1 can be analyzed in real time, the online diagnosis of equipment faults is realized, and the running state of the equipment is pre-judged.
The insulation detection module comprises a high-voltage pack, a detection switch module and a current signal processing module, wherein the high-voltage pack outputs 5000V high voltage, the output end of the high-voltage pack is connected to a motor coil through the detection switch module, the high-voltage pack is processed into 4-20mA current signals through the current signal processing module and enters the MCU module after being converted through the A/D converter, the output end of the MCU module is also connected with the detection switch module, the automatic measurement and recording and analyzing functions of the three-phase winding ground insulation resistance of the motor can be realized, the motor fault trend is obtained through the analysis of measurement data after the motor is stopped at every time, meanwhile, the real-time motor data of the motor intelligent control module is obtained through communication, and the service life of the motor is analyzed.
Including the off tracking switch that is used for detecting the belt off tracking and the belt detector that skids that is used for detecting the belt, the output and the input of MCU module of off tracking switch are connected, and the output of the detector that skids is connected with the input of MCU module, can be convenient for take place the off tracking and skid to belt feeder 1 in whether take place the real-time supervision.
The motor current detection device comprises a voltage detection module for detecting motor voltage, a current detection module for detecting motor current and an operation state detection module for detecting the operation state of a motor, wherein the output end of the voltage detection module is connected with a step-down transformer, 0-5V voltage signals output by the step-down transformer enter an MCU module after being processed by a filtering anti-interference module and converted by an A/D converter, the output end of the current detection module is connected with a current transformer, 4-20mA current signals output by the current transformer enter the MCU module after being converted by the A/D converter, and the output end of the operation state detection module is connected with the input end of the MCU module.
The motor can record and analyze various electrical parameters in real time, and realize monitoring, recording, analyzing and processing of overload, overcurrent, undervoltage, phase failure, locked rotor and three-phase unbalance faults.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high-power long distance conveyor intelligent monitoring protection device which characterized in that: the automatic belt conveyor comprises a belt conveyor (1) and an MCU (microprogrammed control unit) module, wherein an overturning type discharging chute (2) is arranged at the upper part of the belt conveyor (1), an overturning chute wall (3) is arranged at a discharging port of the discharging chute (2), and the automatic belt conveyor further comprises a stress acquisition module for detecting chute stress, a pressure-sensitive detection module for detecting belt tearing, a vibration detection module for detecting motor vibration and an insulation detection module for stopping a motor;
the signal of stress collection module output enters into to the MCU module after the AD converter conversion, the signal of pressure sensitive detection module output enters into to the MCU module after the AD converter conversion, the output signal of vibration detection module gets into the MCU module after the high frequency processing module handles, insulating detection module includes high-pressure package, detection switch module and current signal processing module, the output of high-pressure package passes through detection switch module and connects in motor coil department to get into the MCU module after current signal processing module handles and the AD converter conversion, the output of MCU module still is connected with detection switch module.
2. The intelligent monitoring and protection device for the high-power long-distance conveyor according to claim 1, wherein: the voltage detection module is used for detecting the voltage of the motor, the output end of the voltage detection module is connected with the step-down transformer, and an output signal of the step-down transformer enters the MCU module after being processed by the filtering anti-interference module and converted by the A/D converter.
3. The intelligent monitoring and protection device for the high-power long-distance conveyor according to claim 1, wherein: the motor current detection device comprises a current detection module for detecting the current of a motor, wherein the output end of the current detection module is connected with a current transformer, and an output signal of the current transformer enters an MCU module after being converted by an A/D converter.
4. The intelligent monitoring and protection device for the high-power long-distance conveyor according to claim 1, wherein: the belt deviation detection device comprises a deviation switch for detecting belt deviation, wherein the output end of the deviation switch is connected with the input end of the MCU module.
5. The intelligent monitoring and protection device for the high-power long-distance conveyor according to claim 1, wherein: including the belt detector that skids that is used for detecting the belt, the output of skidding detector is connected with the input of MCU module.
6. The intelligent monitoring and protection device for the high-power long-distance conveyor according to claim 1, wherein: the stress acquisition module comprises a stress sensor, the upper end of the overturning groove wall (3) is hinged to the discharging chute (2), the outer side wall of the overturning groove wall (3) is connected with the discharging chute (2) through a hydraulic cylinder (4), and the two ends of the hydraulic cylinder (4) are hinged to the overturning groove wall (3) and the discharging chute (2) respectively.
7. The intelligent monitoring and protection device for the high-power long-distance conveyor according to claim 1, wherein: the pressure-sensitive detection module comprises a pressure sensor, and the pressure sensor is installed on the lower portion of the upper belt surface and close to the direction of a discharge hole of the blanking chute (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023157638.6U CN214113988U (en) | 2020-12-24 | 2020-12-24 | Intelligent monitoring protection device for high-power long-distance conveyor |
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| CN202023157638.6U CN214113988U (en) | 2020-12-24 | 2020-12-24 | Intelligent monitoring protection device for high-power long-distance conveyor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932103A (en) * | 2022-07-26 | 2022-08-23 | 江苏优创生物医学科技有限公司 | Reciprocating medical sorting machine shaking analysis method |
| CN114275484B (en) * | 2022-01-13 | 2024-03-29 | 淮南万泰电子股份有限公司 | Running state monitoring system for belt conveyor |
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2020
- 2020-12-24 CN CN202023157638.6U patent/CN214113988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275484B (en) * | 2022-01-13 | 2024-03-29 | 淮南万泰电子股份有限公司 | Running state monitoring system for belt conveyor |
| CN114932103A (en) * | 2022-07-26 | 2022-08-23 | 江苏优创生物医学科技有限公司 | Reciprocating medical sorting machine shaking analysis method |
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