CN108055449B - Bucket tooth monitoring system based on thermal imaging - Google Patents
Bucket tooth monitoring system based on thermal imaging Download PDFInfo
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- CN108055449B CN108055449B CN201810082228.8A CN201810082228A CN108055449B CN 108055449 B CN108055449 B CN 108055449B CN 201810082228 A CN201810082228 A CN 201810082228A CN 108055449 B CN108055449 B CN 108055449B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000001931 thermography Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 11
- 238000005286 illumination Methods 0.000 abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000013528 artificial neural network Methods 0.000 description 3
- 238000013527 convolutional neural network Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10048—Infrared image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20024—Filtering details
- G06T2207/20032—Median filtering
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Abstract
The invention provides a thermal imager and a bucket tooth monitoring system based on thermal imaging, which comprises the following components: the thermal imager is used for collecting infrared energy of an object, converting the infrared energy into a thermal image and transmitting the thermal image to the industrial personal computer; the industrial personal computer is used for receiving the thermal image sent by the thermal imager, carrying out recognition processing on the thermal image through an intelligent recognition algorithm to obtain the number of the recognized bucket teeth, judging whether the bucket teeth are missing according to the number of the bucket teeth, and sending alarm information to the display if the bucket teeth are missing; the display is used for receiving alarm information sent by the industrial personal computer, carrying out photoelectric alarm according to the alarm information, displaying a monitoring picture, and collecting images through the thermal imager, so that the influence of dust shielding and external illumination change is avoided, and the missing of the bucket teeth is accurately judged.
Description
Technical Field
The invention relates to the field of image acquisition and target identification and tracking, in particular to a thermal imager and a bucket tooth monitoring system based on thermal imaging.
Background
At present, in bucket tooth intelligent monitoring systems, images are collected through a visible light camera, but the visible light camera is easily affected by illumination changes and dust shielding when collecting images. And the working environment of the electric shovel is an open pit mine, and a large amount of dust can be generated when the electric shovel works, especially, when the bucket teeth are monitored by using the visible light camera, the illumination equipment is required to carry out light filling.
Disclosure of Invention
In view of the above, the present invention aims to provide a thermal imager and a bucket tooth monitoring system based on thermal imaging, wherein the thermal imager is used for collecting images, so that the thermal imager is not affected by dust shielding and external illumination changes, and the missing of bucket teeth is accurately judged.
In a first aspect, an embodiment of the present invention provides a thermal imager, including: the lens and the electric heater are respectively connected with the circuit board;
The lens is used for collecting infrared energy of an object;
the circuit board is used for converting infrared energy of the object into a thermal image;
The shock absorber is used for eliminating the vibration of the electric shovel;
The electric heater is used for heating the thermal imager under the condition that the temperature is lower than a preset temperature threshold value.
Further, the electric heater also comprises an aluminum alloy protective cover, wherein the shock absorber is arranged between the aluminum alloy protective cover and the circuit board, and the circuit board and the electric heater are arranged in the aluminum alloy protective cover.
In a second aspect, an embodiment of the present invention further provides a bucket tooth monitoring system based on thermal imaging, including a thermal imager as described above, further including: the thermal imager and the display are respectively connected with the industrial personal computer;
The thermal imager is used for collecting infrared energy of an object, converting the infrared energy into a thermal image and sending the thermal image to the industrial personal computer;
The industrial personal computer is used for receiving the thermal image sent by the thermal imager, carrying out recognition processing on the thermal image through an intelligent recognition algorithm to obtain the number of recognized bucket teeth, judging whether the bucket teeth are missing according to the number of the bucket teeth, and sending alarm information to the display if the bucket teeth are missing;
the display is used for receiving the alarm information sent by the industrial personal computer, carrying out photoelectric alarm according to the alarm information and displaying a monitoring picture.
Further, the industrial personal computer is further configured to perform global image median filtering processing on the thermal image, determine a motion vertical axis region of the bucket tooth by using a frame difference method, determine a motion horizontal axis region of the bucket tooth according to the motion vertical axis region, and determine the number of identified bucket teeth according to the motion vertical axis region of the bucket tooth and the motion horizontal axis region of the bucket tooth, where the motion vertical axis region of the bucket tooth and the motion horizontal axis region of the bucket tooth form a motion region.
Furthermore, the industrial personal computer is further configured to perform canny edge analysis on a motion vertical axis region of the bucket tooth, count accumulated pixels on the vertical axis according to a horizontal axis coordinate, and determine a motion horizontal axis region of the bucket tooth according to a relationship between a plurality of continuous pixels on the horizontal axis.
Further, the industrial personal computer is further configured to amplify the motion area to an area with a first preset size, divide the area with the first preset size to obtain a plurality of divided areas, amplify the plurality of divided areas to areas with a second preset size respectively, and input the plurality of areas with the second preset size into a CNN neural network algorithm to obtain the number of the identified bucket teeth.
Further, the display is further configured to mark the missing tooth as a first color when the number of teeth is detected to be lower than a standard value;
Or alternatively
And when the number of the bucket teeth is detected to be lower than the standard value again, marking the serial number corresponding to the bucket tooth marked as the missing bucket tooth with the first color as a second color, and carrying out audible and visual alarm.
Further, the thermal imager and the display are respectively connected with the industrial personal computer through a data transmission line, wherein the data transmission line is provided with a shielding ring and a shielding layer.
Further, a power supply is integrated in the data transmission line.
Furthermore, an interface of the industrial personal computer adopts a aviation fork plug.
The embodiment of the invention provides a thermal imager and a bucket tooth monitoring system based on thermal imaging, which comprises the following components: the thermal imager is used for collecting infrared energy of an object, converting the infrared energy into a thermal image and sending the thermal image to the industrial personal computer; the industrial personal computer is used for receiving the thermal image sent by the thermal imager, carrying out recognition processing on the thermal image through an intelligent recognition algorithm to obtain the number of the recognized bucket teeth, judging whether the bucket teeth are missing according to the number of the bucket teeth, and sending alarm information to the display if the bucket teeth are missing; the display is used for receiving alarm information sent by the industrial personal computer, carrying out photoelectric alarm according to the alarm information, displaying a monitoring picture, and collecting images through the thermal imager, so that the influence of dust shielding and external illumination change is avoided, and the missing of the bucket teeth is accurately judged.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a thermal imager according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram showing comparison of images acquired by a thermal imager according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a bucket tooth monitoring system based on thermal imaging according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of an interface of a bucket tooth monitoring system based on thermal imaging according to a second embodiment of the present invention.
Icon:
A 10-thermal imager; 11-lens; 12-a circuit board; 13-an electric heater; 20-an industrial personal computer; 30-display.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the current bucket tooth intelligent monitoring system, images are collected through a visible light camera, but the visible light camera is easily affected by illumination change and dust shielding when collecting the images.
According to the invention, the thermal imager is applied to the bucket tooth monitoring system, when the electric shovel works, the bucket tooth rubs with ore, the temperature of the bucket tooth is higher than that of surrounding air, but the bucket tooth in a thermal image acquired by the thermal imager can be clearly displayed. The thermal imager converts invisible infrared energy emitted by an object into a visible thermal image, so that the thermal imager is not influenced by dust shielding and external illumination change when the thermal imager is used for collecting images.
In order to facilitate understanding of the present embodiment, the following describes embodiments of the present invention in detail.
Embodiment one:
fig. 1 is a schematic diagram of a thermal imager according to an embodiment of the invention.
Referring to fig. 1, a thermal imager 10 includes a circuit board 12, a lens 11, a shock absorber, and an electric heater 13, wherein the lens 11 and the electric heater 13 are respectively connected with the circuit board 12;
A lens 11 for collecting infrared energy of an object;
a circuit board 12 for converting infrared energy of the object into a thermal image;
The shock absorber is used for eliminating the vibration of the electric shovel;
Here, the damper may be used to eliminate the influence of vibration of the electric shovel and at the same time eliminate the vibration. When the lens of the thermal imager 10 collecting an image does not shake, the collected thermal image does not shake.
An electric heater 13 for heating the thermal imager 10 in case the temperature is lower than a preset temperature threshold.
Here, the preset temperature threshold is-40 degrees. When the thermal imager 10 is in a high and cold environment, the operation of the thermal imager 10 is directly affected due to the low temperature.
Therefore, when the temperature detected by the thermometer is lower than-40 ℃, the electric heater 13 is triggered to heat, so that the thermal imager 10 is in a constant-temperature dust-free environment, and the normal operation of the thermal imager 10 is ensured.
Further, an aluminum alloy protective cover is further included, the damper is provided between the aluminum alloy protective cover and the circuit board 12, and the circuit board 12 and the electric heater 13 are provided in the aluminum alloy protective cover.
Here, the thermal imager 10 belongs to a precise instrument, and the circuit board 12 in the thermal imager 10 is easily affected by temperature, humidity, vibration and dust, so that the housing adopts an aluminum alloy protection cover, and the aluminum alloy protection cover is the outermost protection cover, so that rain, fog and dust can be isolated, and the circuit board 12 of the thermal imager 10 is in a closed environment and is not interfered by the outside.
Specifically, the thermal imager 10 converts invisible infrared energy emitted by an object into a visible thermal image, so that the thermal imager 10 is not affected by dust shielding and external illumination changes when the thermal imager is used for acquiring images.
Referring to fig. 2, fig. 2 is an image acquired by a thermal imager during daytime and at night, wherein fig. (a) is an image acquired by the thermal imager during daytime and fig. 2 (b) is an image acquired by the thermal imager during night.
Whether the imager collects images in the daytime or at night, the collected images cannot be influenced by the external environment and external illumination. The main difference is that the ore will be bright during the day and dark at night.
Embodiment two:
fig. 3 is a schematic diagram of a bucket tooth monitoring system based on thermal imaging according to a second embodiment of the present invention.
Referring to fig. 3, the system comprises a thermal imager 10, an industrial personal computer 20 and a display 30, wherein the thermal imager 10 and the display 30 are respectively connected with the industrial personal computer 20;
The thermal imager 10 is used for collecting infrared energy of an object, converting the infrared energy into a thermal image, and transmitting the thermal image to the industrial personal computer 20;
The industrial personal computer 20 is used for receiving the thermal image sent by the thermal imager 10, performing recognition processing on the thermal image through an intelligent recognition algorithm to obtain the number of recognized bucket teeth, judging whether the bucket teeth are missing according to the number of the bucket teeth, and sending alarm information to the display 30 if the bucket teeth are missing;
here, the number of the identified teeth is calculated, a clear operation is performed, and an addition operation is performed on the undetected teeth.
When the number of the bucket teeth is detected to be lower than a standard value, marking the missing bucket teeth as a first color; when the number of the bucket teeth is detected to be lower than the standard value again, the serial number corresponding to the missing bucket tooth marked as the first color is marked as the second color, and audible and visual alarm is carried out.
The display 30 is used for receiving the alarm information sent by the industrial personal computer 20, giving an optoelectronic alarm according to the alarm information, and displaying a monitoring picture.
Further, the industrial personal computer 20 is further configured to perform global image median filtering processing on the thermal image, determine a motion vertical axis region of the tooth by using a frame difference method, determine a motion horizontal axis region of the tooth according to the motion vertical axis region, and determine the number of identified teeth according to the motion vertical axis region of the tooth and the motion horizontal axis region of the tooth, where the motion vertical axis region of the tooth and the motion horizontal axis region of the tooth form a motion region.
Here, the motion vertical axis region is a motion Y axis region, and the motion horizontal axis region is a motion X axis region.
Further, the industrial personal computer 20 is further configured to perform canny edge analysis on a vertical axis area of movement of the bucket tooth, and count accumulated pixels on the vertical axis according to a horizontal axis coordinate, and determine a horizontal axis area of movement of the bucket tooth according to a relationship between a plurality of pixels on the horizontal axis.
Here, the consecutive plurality of pixels may be consecutive 3 pixels.
Further, the industrial personal computer 20 is further configured to amplify the motion area to a first area with a preset size, divide the first area with a preset size to obtain a plurality of divided areas, amplify the plurality of divided areas to areas with a second area with a preset size respectively, and input the plurality of areas with the second area with the preset size into the CNN neural network algorithm to obtain the number of the identified bucket teeth.
Here, the first pre-sized region is 200 x 40 and the second pre-sized region is 40 x 40.
Specifically, the motion area is enlarged to an area with the size of 200×40, the area with the size of 200×40 is divided into a plurality of parts, namely 8, 7, 6 and 5 parts, and the divided areas are enlarged to areas with the size of 40×40 respectively and are used as input of a CNN neural network algorithm, so that the number of identified bucket teeth is output, and the bucket teeth with the largest number are selected.
Further, the display 30 is further configured to mark the missing tooth as a first color when the number of teeth is detected to be below a standard value;
Or alternatively
And when the number of the bucket teeth is detected to be lower than the standard value again, marking the serial number corresponding to the missing bucket tooth marked as the first color as the second color, and carrying out audible and visual alarm.
Here, the first color is yellow, and the first color is red.
Referring specifically to FIG. 4, the monitoring interface is marked with yellow, i.e., in the event of a missing tooth, the missing tooth is marked yellow;
When the bucket tooth is completely missing, the serial number corresponding to the bucket tooth is marked as red, and an alarm sound is sent out.
In addition, the monitoring video and the log for recording the missing time of the bucket tooth are stored in a local folder, so that responsibility can be tracked in the future conveniently.
Further, the thermal imager 10 and the display 30 are respectively connected with the industrial personal computer 20 through data transmission lines, wherein the data transmission lines are provided with shielding rings and shielding layers.
Here, the data transmission line is provided with the shielding ring and the shielding layer, so that data communication can be normally performed even in an abnormally severe electromagnetic environment.
Further, the power supply is integrated in the data transmission line.
Here, the power supply is integrated in the data transmission line, and the number of cables can be reduced.
Further, the interface of the industrial personal computer 20 adopts an aerial fork plug.
Here, the interface of the industrial personal computer 20 adopts the aviation fork plug, so that the cable can be ensured not to loosen under any vibration condition.
The embodiment of the invention provides a thermal imager and a bucket tooth monitoring system based on thermal imaging, which comprises the following components: the thermal imager is used for collecting infrared energy of an object, converting the infrared energy into a thermal image and sending the thermal image to the industrial personal computer; the industrial personal computer is used for receiving the thermal image sent by the thermal imager, carrying out recognition processing on the thermal image through an intelligent recognition algorithm to obtain the number of the recognized bucket teeth, judging whether the bucket teeth are missing according to the number of the bucket teeth, and sending alarm information to the display if the bucket teeth are missing; the display is used for receiving alarm information sent by the industrial personal computer, carrying out photoelectric alarm according to the alarm information, displaying a monitoring picture, and collecting images through the thermal imager, so that the influence of dust shielding and external illumination change is avoided, and the missing of the bucket teeth is accurately judged.
The computer program product provided by the embodiment of the present invention includes a computer readable storage medium storing a program code, where instructions included in the program code may be used to perform the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment and will not be described herein.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system and apparatus may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: modifications and variations of the embodiments described herein will be apparent to those skilled in the art, and equivalents may be substituted for elements thereof without departing from the scope of the invention. Such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The bucket tooth monitoring system based on thermal imaging is characterized by comprising a thermal imager, an industrial personal computer and a display, wherein the thermal imager and the display are respectively connected with the industrial personal computer;
The thermal imager is used for collecting infrared energy of an object, converting the infrared energy into a thermal image and sending the thermal image to the industrial personal computer;
The industrial personal computer is used for receiving the thermal image sent by the thermal imager, carrying out recognition processing on the thermal image through an intelligent recognition algorithm to obtain the number of recognized bucket teeth, judging whether the bucket teeth are missing according to the number of the bucket teeth, and sending alarm information to the display if the bucket teeth are missing;
the display is used for receiving the alarm information sent by the industrial personal computer, carrying out photoelectric alarm according to the alarm information and displaying a monitoring picture;
the industrial personal computer is further used for carrying out global image median filtering processing on the thermal image, determining a movement vertical axis area of the bucket tooth through a frame difference method, determining a movement horizontal axis area of the bucket tooth according to the movement vertical axis area, and determining the number of the identified bucket teeth according to the movement vertical axis area of the bucket tooth and the movement horizontal axis area of the bucket tooth, wherein the movement vertical axis area of the bucket tooth and the movement horizontal axis area of the bucket tooth form a movement area;
The method comprises the steps of obtaining a plurality of bucket teeth, wherein the bucket teeth are used for moving a moving area, amplifying the moving area to a first preset size area, dividing the first preset size area to obtain a plurality of divided areas, amplifying the plurality of divided areas to second preset size areas respectively, inputting the plurality of second preset size areas into a CNN (computer numerical network) algorithm, and obtaining the number of identified bucket teeth;
And the industrial personal computer performs canny edge analysis on the longitudinal axis area of the movement of the bucket tooth, counts accumulated pixels on the longitudinal axis according to the horizontal axis coordinate, and determines the horizontal axis area of the movement of the bucket tooth according to the relation among a plurality of continuous pixels on the horizontal axis.
2. The thermal imaging-based tooth monitoring system as defined in claim 1, wherein the display is further configured to mark a missing tooth as a first color when the number of teeth is detected to be below a standard value;
Or alternatively
And when the number of the bucket teeth is detected to be lower than the standard value again, marking the serial number corresponding to the bucket tooth marked as the missing bucket tooth with the first color as a second color, and carrying out audible and visual alarm.
3. The bucket tooth monitoring system based on thermal imaging of claim 1, wherein the thermal imager and the display are respectively connected with the industrial personal computer through a data transmission line, wherein the data transmission line is provided with a shielding ring and a shielding layer.
4. A bucket tooth monitoring system based on thermal imaging as claimed in claim 3, wherein a power source is integrated in said data transmission line.
5. The bucket tooth monitoring system based on thermal imaging of claim 1, wherein an interface of the industrial personal computer is a fork plug.
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| CN201810082228.8A CN108055449B (en) | 2018-01-26 | 2018-01-26 | Bucket tooth monitoring system based on thermal imaging |
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| CN201810082228.8A CN108055449B (en) | 2018-01-26 | 2018-01-26 | Bucket tooth monitoring system based on thermal imaging |
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| CN108055449B true CN108055449B (en) | 2024-04-26 |
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| CN110991286A (en) * | 2019-11-23 | 2020-04-10 | 中国矿业大学(北京) | Automatic electric shovel bucket defect identification device and method based on convolutional neural network |
| CN112686206A (en) * | 2021-01-20 | 2021-04-20 | 塞尔昂(上海)工业技术有限公司 | Intelligent bucket tooth monitoring system |
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