CN210824174U - Thermal power plant coal conveying conveyer belt wearing and tearing condition detection device based on image - Google Patents
Thermal power plant coal conveying conveyer belt wearing and tearing condition detection device based on image Download PDFInfo
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- CN210824174U CN210824174U CN201921852189.1U CN201921852189U CN210824174U CN 210824174 U CN210824174 U CN 210824174U CN 201921852189 U CN201921852189 U CN 201921852189U CN 210824174 U CN210824174 U CN 210824174U
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- proximity switch
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Abstract
The utility model relates to a monitoring devices of defeated coal conveyer belt wearing and tearing based on image detection technique. The utility model provides a thermal power plant coal conveying conveyer belt wearing and tearing condition detection device based on image which characterized in that: the device comprises a conveying belt, a bracket for supporting the conveying belt, a distance measuring unit, cameras positioned at two ends of the conveying belt, an instrument box for measuring the abrasion state of the conveying belt and a monitoring center computer; the utility model discloses the belt is at the operation in-process, the gyro wheel of gyro wheel range finding unit is by the conveyer belt drive, when the spoke rotates to electromagnetic induction proximity switch, electromagnetic induction proximity switch sends high level signal, this high level signal inserts optoelectronic coupler, optoelectronic coupler output signal inserts the GPIO general interface of camera, the camera receives and starts after this signal and shoots to with photo cache to camera, the camera passes through the switch and sends to the surveillance center computer, reads the photo on the surveillance center computer.
Description
Technical Field
The utility model belongs to the conveyer belt wearing and tearing detect and protect the field, especially one kind relates to the monitoring devices of defeated coal conveyer belt wearing and tearing based on image detection technique.
Background
The wear of the conveyor belt is mainly caused in four aspects. 1, abrasion between a feeding chute opening and a conveying belt: the feeding chute is closely contacted with the conveying belt, and the design and the installation of the feeding chute have great influence on the abrasion of the conveying belt and are the main expression form of the abrasion of the conveying belt. 2, abrasion between the bend pulley and the conveying belt: the bend pulley is located the conveyer afterbody, and the conveyer belt follows the bend pulley rotation, makes lower conveyer belt become the last conveyer belt and bears the weight of the material. 3, local abrasion caused by deviation of the conveying belt: the deviation of the conveying belt is a common fault of the conveyor, and mainly means that the central line of the conveying belt deviates from the longitudinal central line of the conveyor when the conveyor runs. 4, the wearing and tearing that produce between bearing roller and the conveyer belt: the formation reasons of abrasion between the carrier roller and the conveying belt mainly comprise installation errors, structural deformation of a carrier roller frame, carrier roller corrosion and the like. Once the conveyor belt becomes thinner or damaged due to wear, the following faults are strength reduction, shortened service life, belt deviation, tearing, breakage and the like. At present, a device for detecting the abrasion condition of the conveying belt is not provided, and the abrasion condition of the conveying belt is judged by manual inspection.
Disclosure of Invention
The utility model aims at providing a to above-mentioned problem, provide a simple structure, be convenient for installation, especially the monitoring devices of the conveyer belt wearing and tearing condition based on image detection.
The technical scheme of the utility model lies in:
a thermal power plant coal conveying conveyer belt abrasion condition detection device based on images comprises a conveyer belt, a support for supporting the conveyer belt, a distance measurement unit, cameras positioned at two ends of the conveyer belt, a conveyer belt abrasion state instrument box and a monitoring center computer; the distance measuring unit is a roller distance measuring unit, the roller distance measuring unit comprises a central shaft, a roller and an electromagnetic induction proximity switch, the two ends of the central shaft are fixed on the support, the roller is sleeved on the central shaft and moves in the horizontal direction of the central shaft, the electromagnetic induction proximity switch is fixedly arranged on the central shaft, a pressure spring is arranged at the joint of the two ends of the central shaft and the support, and the conveying belt and the roller are always in a contact state;
the conveying belt abrasion state instrument box comprises a photoelectric coupler and a power supply module; the power supply module is connected with the electromagnetic induction proximity switch, one end of the photoelectric coupler is electrically connected with the proximity switch, and the other end of the photoelectric coupler is connected with the camera; the cameras are respectively connected with a monitoring center computer through a switch.
The camera is also provided with a light supplementing device which is a light supplementing lamp; the number of the light supplement lamps is 2.
The conveyer belt wearing and tearing state instrument box still includes time delay disconnection relay, electromagnetic induction proximity switch is connected to time delay disconnection relay one end, and the light filling lamp is connected to one end.
The power supply module is a power supply conversion module, and the model of the power supply conversion module is MONSUN LH10-10D 0524; the electromagnetic induction proximity switch senses the signal and outputs a DC24V direct-current level signal; the light source is converted into DC5V through a photoelectric coupler and then connected with a camera, and is converted into AC220V power through a time delay disconnection relay and then connected with a light supplement lamp.
The electromagnetic induction proximity switch is fixed on the central shaft through a fixing piece, and the model of the electromagnetic induction proximity switch is XS618B1PAL2 of Schneider.
The model of the time delay disconnection relay is Schneider RE22R2 KMR.
The camera is an industrial camera, the model of the camera is A3135CG000E in Dahua Zhejiang, and the configured lens of the camera is MH 0620S.
The supplementary lighting lamp is an LED lamp of 100W, AC 220V.
The conveying belt is connected with the support through a carrier roller.
The technical effects of the utility model reside in that:
the utility model discloses the belt is at the operation in-process, the gyro wheel of gyro wheel range finding unit is by the conveyer belt drive, when the spoke rotates to electromagnetic induction proximity switch, electromagnetic induction proximity switch sends high level signal, this high level signal inserts optoelectronic coupler, optoelectronic coupler output signal inserts the GPIO general interface of camera, the camera receives and starts after this signal and shoots to with photo cache to camera, the camera passes through the switch and sends to the surveillance center computer, reads the photo on the surveillance center computer.
Drawings
Fig. 1 is a schematic diagram of the circuit connection of the present invention.
Fig. 2 is a schematic diagram of the system connection of the present invention.
Reference numerals: the method comprises the following steps of 1-conveying belt abrasion state instrument box, 2-conveying belt, 3-carrier roller, 4-roller, 5-electromagnetic induction proximity switch, 6-pressure spring, 7-bracket, 8-camera, 9-light supplement lamp, 10-central shaft and 11-fixing piece.
Detailed Description
Example 1
An image-based abrasion condition detection device for a coal conveying conveyer belt 2 of a thermal power plant comprises the conveyer belt 2, a bracket 7 for supporting the conveyer belt 2, a distance measuring unit, cameras 8 positioned at two ends of the conveyer belt 2, an instrument box 1 for detecting the abrasion condition of the conveyer belt 2 and a monitoring center computer; the method is characterized in that: the distance measuring unit is a roller 4 distance measuring unit, the roller 4 distance measuring unit comprises a central shaft 10, two ends of which are fixed on a support 7, a roller 4 which is sleeved on the central shaft 10 and moves in the horizontal direction of the central shaft 10, and an electromagnetic induction proximity switch 5 which is fixedly arranged on the central shaft 10, a pressure spring 6 is arranged at the joint of the two ends of the central shaft 10 and the support 7, and the conveying belt 2 and the roller 4 are always in a contact state;
the wear state instrument box 1 of the conveying belt 2 comprises a photoelectric coupler and a power supply module; the power supply module is connected with the electromagnetic induction proximity switch 5, one end of the photoelectric coupler is electrically connected with the proximity switch, and the other end of the photoelectric coupler is connected with the camera 8; the cameras 8 are respectively connected with a monitoring center computer through a switch.
The utility model discloses a concrete implementation process does: the utility model discloses the belt is at the operation in-process, gyro wheel 4 of 4 range finding units of gyro wheel is driven by conveyer belt 2, when the spoke rotates to electromagnetic induction proximity switch 5, electromagnetic induction proximity switch 5 sends high level signal, this high level signal inserts photoelectric coupler, photoelectric coupler output signal inserts the general interface of GPIO of camera 8, camera 8 receives and starts after this signal and shoots, and with photo cache to camera 8, camera 8 sends to the surveillance center computer through the switch, read the photo on the surveillance center computer.
Example 2
On the basis of embodiment 1, the camera 8 is further provided with a light supplement device, and the light supplement device is a light supplement lamp 9; the number of the light supplement lamps 9 is 2. 2 wearing and tearing state meter box 1 of conveyer belt still includes time delay disconnection relay, electromagnetic induction proximity switch 5 is connected to time delay disconnection relay one end, and light filling lamp 9 is connected to one end. The power supply module is a power supply conversion module, and the model of the power supply conversion module is MONSUN LH10-10D 0524; the electromagnetic induction proximity switch 5 outputs a DC24V direct-current level signal when sensing the signal; the light source is converted into DC5V through a photoelectric coupler and then is connected with the camera 8, and is converted into AC220V power through a time delay disconnection relay and then is connected with the light supplement lamp 9.
The electromagnetic induction proximity switch 5 is fixed on the central shaft 10 through a fixing piece 11, and the model of the electromagnetic induction proximity switch 5 is XS618B1PAL2 of Schneider. The model of the time delay disconnection relay is Schneider RE22R2 KMR. The camera 8 is an industrial camera, the model of which is A3135CG000E in Dahua Zhejiang, and the configured lens of which is MH 0620S. The supplementary lighting lamp 9 is an LED lamp of 100W, AC 220V. The conveying belt 2 is connected with the bracket 7 through the carrier roller 3.
The specific implementation process of the embodiment is as follows:
a central shaft 10 is fixed on a bracket 7 through a pressure spring 6, the pressure spring 6 presses a roller 4 sleeved on the central shaft 10 upwards to a conveyer belt 2, the conveyer belt 2 is prevented from sinking or jumping upwards when no load exists, when the roller 4 rotates and a spoke passes through a proximity switch, an electromagnetic induction proximity switch 5 sends out a high level signal, the high level signal is connected to a photoelectric coupler, an output signal of the photoelectric coupler is connected to a general purpose interface GPIO (general purpose input/output) of a camera 8, the camera 8 starts to take a picture after receiving the signal, and the picture is cached in the camera 8; on the other hand, the high level signal is simultaneously connected to a delay disconnection relay to control the light supplement lamp 9 to be started; ensuring that sufficient light exists during photographing; that is, each time the proximity switch sends a high level signal, the camera 8 and the light supplement lamp 9 start to finish one-time photographing; the camera 8 is sent to the monitoring center computer through the exchange, and the photo is read on the monitoring center computer.
Claims (9)
1. The utility model provides a thermal power plant coal conveying conveyer belt wearing and tearing condition detection device based on image which characterized in that: the device comprises a conveying belt, a bracket for supporting the conveying belt, a distance measuring unit, cameras positioned at two ends of the conveying belt, an instrument box for measuring the abrasion state of the conveying belt and a monitoring center computer; the distance measuring unit is a roller distance measuring unit, the roller distance measuring unit comprises a central shaft, a roller and an electromagnetic induction proximity switch, the two ends of the central shaft are fixed on the support, the roller is sleeved on the central shaft and moves in the horizontal direction of the central shaft, the electromagnetic induction proximity switch is fixedly arranged on the central shaft, a pressure spring is arranged at the joint of the two ends of the central shaft and the support, and the conveying belt and the roller are always in a contact state;
the conveying belt abrasion state instrument box comprises a photoelectric coupler and a power supply module; the power supply module is connected with the electromagnetic induction proximity switch, one end of the photoelectric coupler is electrically connected with the proximity switch, and the other end of the photoelectric coupler is connected with the camera; the cameras are respectively connected with a monitoring center computer through a switch.
2. The image-based thermal power plant coal conveying belt wear condition detection device according to claim 1, characterized in that: the camera is also provided with a light supplementing device which is a light supplementing lamp; the number of the light supplement lamps is 2.
3. The image-based thermal power plant coal conveying belt wear condition detection device according to claim 2, characterized in that: the conveyer belt wearing and tearing state instrument box still includes time delay disconnection relay, electromagnetic induction proximity switch is connected to time delay disconnection relay one end, and the light filling lamp is connected to one end.
4. The image-based thermal power plant coal conveying belt wear condition detection device according to claim 3, characterized in that: the power supply module is a power supply conversion module, and the model of the power supply conversion module is MONSUN LH10-10D 0524; the electromagnetic induction proximity switch senses the signal and outputs a DC24V direct-current level signal; the light source is converted into DC5V through a photoelectric coupler and then connected with a camera, and is converted into AC220V power through a time delay disconnection relay and then connected with a light supplement lamp.
5. The image-based thermal power plant coal conveying belt wear condition detection device according to claim 4, characterized in that: the electromagnetic induction proximity switch is fixed on the central shaft through a fixing piece, and the model of the electromagnetic induction proximity switch is XS618B1PAL2 of Schneider.
6. The image-based thermal power plant coal conveying belt wear condition detection device according to claim 5, characterized in that: the model of the time delay disconnection relay is Schneider RE22R2 KMR.
7. The image-based thermal power plant coal conveying belt wear condition detection device according to claim 6, characterized in that: the camera is an industrial camera, the model of the camera is A3135CG000E in Dahua Zhejiang, and the configured lens of the camera is MH 0620S.
8. The image-based thermal power plant coal conveying belt wear condition detection device according to claim 7, characterized in that: the supplementary lighting lamp is an LED lamp of 100W, AC 220V.
9. The image-based thermal power plant coal conveying belt wear condition detection device according to claim 8, characterized in that: the conveying belt is connected with the support through a carrier roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921852189.1U CN210824174U (en) | 2019-10-31 | 2019-10-31 | Thermal power plant coal conveying conveyer belt wearing and tearing condition detection device based on image |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921852189.1U CN210824174U (en) | 2019-10-31 | 2019-10-31 | Thermal power plant coal conveying conveyer belt wearing and tearing condition detection device based on image |
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| Publication Number | Publication Date |
|---|---|
| CN210824174U true CN210824174U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921852189.1U Expired - Fee Related CN210824174U (en) | 2019-10-31 | 2019-10-31 | Thermal power plant coal conveying conveyer belt wearing and tearing condition detection device based on image |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702775A (en) * | 2021-07-19 | 2021-11-26 | 浙江中新电力工程建设有限公司配电分公司 | Portable insulating blanket defect detector |
| CN113706461A (en) * | 2021-07-19 | 2021-11-26 | 浙江中新电力工程建设有限公司配电分公司 | Micro-defect identification system of insulating blanket based on image identification |
-
2019
- 2019-10-31 CN CN201921852189.1U patent/CN210824174U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702775A (en) * | 2021-07-19 | 2021-11-26 | 浙江中新电力工程建设有限公司配电分公司 | Portable insulating blanket defect detector |
| CN113706461A (en) * | 2021-07-19 | 2021-11-26 | 浙江中新电力工程建设有限公司配电分公司 | Micro-defect identification system of insulating blanket based on image identification |
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Granted publication date: 20200623 Termination date: 20201031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |