CN112910167A - Motor speed reduction system applying parameter analysis - Google Patents
Motor speed reduction system applying parameter analysis Download PDFInfo
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- CN112910167A CN112910167A CN202011201319.2A CN202011201319A CN112910167A CN 112910167 A CN112910167 A CN 112910167A CN 202011201319 A CN202011201319 A CN 202011201319A CN 112910167 A CN112910167 A CN 112910167A
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- 230000009467 reduction Effects 0.000 title claims description 10
- 238000004458 analytical method Methods 0.000 title abstract description 22
- 239000003245 coal Substances 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 238000003384 imaging method Methods 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 38
- 239000004484 Briquette Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000011217 control strategy Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
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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
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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
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
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- Studio Devices (AREA)
Abstract
The invention relates to a motor deceleration system applying parameter analysis, which comprises: the belt conveying mechanism is arranged near the coal digging operation surface, is of a horizontal arrangement structure and is used for receiving the dug coal blocks and conveying the coal blocks into the coal mine transport truck; and the speed adjusting mechanism is used for reducing the current rotating speed of the direct current driving motor to a first rotating speed from a default rotating speed when the number of the received field coal blocks is smaller than or equal to a preset number threshold value, and is also used for reducing the current rotating speed of the direct current driving motor to a second rotating speed from the default rotating speed when the maximum value of the received maximum radial radiuses of all the imaging areas is smaller than or equal to a preset radius threshold value. The motor deceleration system adopting parameter analysis has intelligent operation, energy conservation and economy. Different low-speed control strategies are executed when the situation that the particles of all the coal blocks on the horizontally placed belt conveying mechanism are too small or the number of the coal blocks is too small is detected, so that the phenomenon that the coal blocks are thrown out is avoided.
Description
Technical Field
The invention relates to the field of motor driving, in particular to a motor speed reduction system applying parameter analysis.
Background
An electric Motor (Motor) is a device that converts electrical energy into mechanical energy. The electromagnetic power generator utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque. The motors are divided into direct current motors and alternating current motors according to different power supplies, most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the rotating speed of a stator magnetic field of the motor is different from the rotating speed of a rotor to keep synchronous speed). The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in a magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction). The working principle of the motor is that the magnetic field exerts force on current to rotate the motor.
At present, for a horizontally-arranged belt conveying mechanism used for conveying a coal mine near a coal mining working face of the coal mine, the optimal state is that all coal blocks on the conveying belt are uniformly arranged and are kept in an abundant and non-overloaded state, the transportation efficiency is highest, and the phenomenon that too small coal blocks or too few coal blocks are thrown out does not occur, however, the belt conveying mechanism is often not in the optimal state.
Disclosure of Invention
The invention has at least the following two key inventions:
(1) detecting the maximum radial radius of each coal block on the horizontally placed belt conveying mechanism, and judging that the coal block on the belt conveying mechanism is too small when the maximum value of each maximum radial radius is smaller than a preset radius threshold value, so as to avoid throwing out the coal block with smaller particles by high-speed transmission and timely perform speed reduction operation on the rotating speed of a motor of the belt conveying mechanism;
(2) when the number of the coal blocks on the horizontally arranged belt conveying mechanism is small, the conveying speed is automatically reduced so as to avoid throwing the sporadically arranged coal blocks out of the conveying area of the belt conveying mechanism.
According to an aspect of the present invention, there is provided a motor deceleration system applying parameter resolution, the system comprising:
and the belt conveying mechanism is arranged near the coal digging operation surface and is of a horizontal arrangement structure, and is used for receiving each dug coal block and conveying each coal block into the coal mine transport truck.
More specifically, in a motor deceleration system applying parameter resolution according to the present invention:
one end of the belt conveying mechanism is located near the coal digging operation surface, and the other end of the belt conveying mechanism is located above an opening of a carriage of the coal mine transport truck.
More specifically, in the motor deceleration system using parameter resolution according to the present invention, the system further includes:
the belt conveying mechanism comprises a reciprocating type conveying belt, a transmission shaft, a follow-up shaft and a direct current driving motor, the transmission shaft and the follow-up shaft are wrapped by the reciprocating type conveying belt, the direct current driving motor is connected with the transmission shaft, and the transmission shaft is used for driving the reciprocating type conveying belt to perform reciprocating motion;
the dust removal type camera is positioned above the belt conveying mechanism and comprises an automatic dust removal mechanism, a lens, an optical filter, a support frame and a CCD sensor, wherein the automatic dust removal mechanism is arranged in front of the lens, the optical filter is arranged between the lens and the CCD sensor, the support frame is used for supporting the automatic dust removal mechanism, the lens, the optical filter and the CCD sensor, and the CCD sensor is used for executing photoelectric sensing operation on the belt conveying mechanism so as to obtain a corresponding instant sensing image;
the first identification mechanism is arranged on the left side of the dust-removing type camera and used for identifying each imaging area corresponding to each coal briquette object from the instant induction image based on the coal briquette color imaging characteristics;
the second identification mechanism is arranged on the right side of the dust-removing type camera, is connected with the first identification mechanism and is used for executing the following operations on an imaging area corresponding to each coal briquette object: calculating the cross section area of the corresponding coal briquette object entity in the horizontal direction and the maximum radial radius corresponding to the cross section based on the number of pixel points occupied by the imaging area and the imaging depth of field of the imaging area;
the data monitoring equipment is connected with the first identification mechanism and used for counting the number of the coal briquette objects in the instant induction image to be output as the number of the on-site coal briquettes;
the speed adjusting mechanism is respectively connected with the direct current driving motor, the second identification mechanism and the data monitoring equipment and is used for reducing the current rotating speed of the direct current driving motor from a default rotating speed to a first rotating speed lower than the default rotating speed when the number of the received field coal blocks is smaller than or equal to a preset number threshold;
the speed adjusting mechanism is further configured to reduce the current rotation speed of the direct current drive motor from a default rotation speed to a second rotation speed lower than the default rotation speed when the received maximum radial radius of each imaging area is smaller than or equal to a preset radius threshold, where the second rotation speed is lower than the first rotation speed.
The motor deceleration system adopting parameter analysis has intelligent operation, energy conservation and economy. Different low-speed control strategies are executed when the situation that the particles of all the coal blocks on the horizontally placed belt conveying mechanism are too small or the number of the coal blocks is too small is detected, so that the phenomenon that the coal blocks are thrown out is avoided.
Detailed Description
An embodiment of the motor deceleration system employing parametric resolution of the present invention will be described in detail below.
Signal processing is the fundamental theory and technique of telecommunications. Its mathematical theory includes equation theory, function theory, number theory, random process theory, least square method and optimization theory, etc. its technology support is circuit analysis, synthesis and electronic computer technology. Signal processing has a close relationship with modern pattern recognition, artificial intelligence, neural network calculation, multimedia information processing and the like, and the signal processing closely links basic theory and engineering application. Therefore, the signal processing is a subject which not only has a complex mathematical analysis background, but also has a wide practical engineering prospect.
Signal processing has been developed with digital signal processing as the center. This is because the signal can be generally represented in a digitized form, and the digitized signal can be calculated or processed on an electronic computer through software, so that no matter how complex the operation is, the calculation can be simulated on the electronic computer as long as the mathematical analysis can be performed and an optimal solution can be obtained. If the calculation speed is proper and fast, the calculation can be completed in real time by using an ultra-large special digital signal processing chip. Therefore, digital signal processing technology is one of the most active disciplines in the development of information technology.
At present, for a horizontally-arranged belt conveying mechanism used for conveying a coal mine near a coal mining working face of the coal mine, the optimal state is that all coal blocks on the conveying belt are uniformly arranged and are kept in an abundant and non-overloaded state, the transportation efficiency is highest, and the phenomenon that too small coal blocks or too few coal blocks are thrown out does not occur, however, the belt conveying mechanism is often not in the optimal state.
In order to overcome the defects, the invention builds a motor deceleration system using parameter analysis, and can effectively solve the corresponding technical problem.
The motor deceleration system applying parameter analysis according to the embodiment of the invention comprises:
the belt conveying mechanism is arranged near the coal digging operation surface, is of a horizontal arrangement structure and is used for receiving the dug coal blocks and conveying the coal blocks into the coal mine transport truck;
one end of the belt conveying mechanism is positioned near the coal digging operation surface, and the other end of the belt conveying mechanism is positioned above an opening of a carriage of the coal mine transport truck;
the belt conveying mechanism comprises a reciprocating type conveying belt, a transmission shaft, a follow-up shaft and a direct current driving motor, the transmission shaft and the follow-up shaft are wrapped by the reciprocating type conveying belt, the direct current driving motor is connected with the transmission shaft, and the transmission shaft is used for driving the reciprocating type conveying belt to perform reciprocating motion;
the dust removal type camera is positioned above the belt conveying mechanism and comprises an automatic dust removal mechanism, a lens, an optical filter, a support frame and a CCD sensor, wherein the automatic dust removal mechanism is arranged in front of the lens, the optical filter is arranged between the lens and the CCD sensor, the support frame is used for supporting the automatic dust removal mechanism, the lens, the optical filter and the CCD sensor, and the CCD sensor is used for executing photoelectric sensing operation on the belt conveying mechanism so as to obtain a corresponding instant sensing image;
the first identification mechanism is arranged on the left side of the dust-removing type camera and used for identifying each imaging area corresponding to each coal briquette object from the instant induction image based on the coal briquette color imaging characteristics;
the second identification mechanism is arranged on the right side of the dust-removing type camera, is connected with the first identification mechanism and is used for executing the following operations on an imaging area corresponding to each coal briquette object: calculating the cross section area of the corresponding coal briquette object entity in the horizontal direction and the maximum radial radius corresponding to the cross section based on the number of pixel points occupied by the imaging area and the imaging depth of field of the imaging area;
the data monitoring equipment is connected with the first identification mechanism and used for counting the number of the coal briquette objects in the instant induction image to be output as the number of the on-site coal briquettes;
the speed adjusting mechanism is respectively connected with the direct current driving motor, the second identification mechanism and the data monitoring equipment and is used for reducing the current rotating speed of the direct current driving motor from a default rotating speed to a first rotating speed lower than the default rotating speed when the number of the received field coal blocks is smaller than or equal to a preset number threshold;
the speed adjusting mechanism is further configured to reduce the current rotation speed of the direct current drive motor from a default rotation speed to a second rotation speed lower than the default rotation speed when the received maximum radial radius of each imaging area is smaller than or equal to a preset radius threshold, where the second rotation speed is lower than the first rotation speed.
Next, a specific configuration of the motor deceleration system to which the parameter analysis of the present invention is applied will be further described.
In the motor deceleration system applying parameter analysis:
the speed adjusting mechanism is further used for reducing the current rotating speed of the direct current driving motor from a default rotating speed to a second rotating speed lower than the default rotating speed when the maximum value of the received maximum radial radiuses of the imaging areas is smaller than or equal to a preset radius threshold value and the number of the received field coal blocks is smaller than or equal to a preset number threshold value.
In the motor deceleration system applying parameter analysis:
the speed adjusting mechanism is further used for restoring the current rotating speed of the direct current driving motor to the default rotating speed when the maximum value of the received maximum radial radiuses of the imaging areas is larger than the preset radius threshold value and the number of the received field coal blocks is larger than the preset number threshold value.
In the motor deceleration system applying parameter analysis:
the automatic dust removal mechanism comprises dust detection equipment and dust removal execution equipment, and the dust removal execution equipment is connected with the dust detection equipment.
In the motor deceleration system applying parameter analysis:
the dust detection device is arranged behind the lens and used for detecting the number of dust particles on the lens.
In the motor deceleration system applying parameter analysis:
the dust removal executing device is used for executing dust removal action on the surface of the lens when the number of the received dust particles on the lens exceeds the limit.
In the motor deceleration system applying parameter analysis:
the dust removal executing equipment is also used for stopping executing dust removal action on the surface of the lens when the received number of the dust particles on the lens is not over the limit.
In the motor deceleration system applying parameter analysis, the method further includes:
and the MMC memory card is arranged near the first authentication mechanism and is connected with the first authentication mechanism.
In the motor deceleration system applying parameter analysis:
the MMC memory card is used for operating and storing the coal block color imaging characteristics, and the coal block color imaging characteristics are a preset brightness numerical value range;
the preset brightness number range is limited by a brightness upper threshold and a brightness lower threshold, wherein the values of the brightness upper threshold and the brightness lower threshold are all between 0 and 127.
In the motor deceleration system applying parameter analysis, the method further includes:
and the power supply equipment is arranged near the second identification mechanism, is respectively connected with each power utilization component of the system, and is used for supplying power to each power utilization component of the system.
In addition, in the motor deceleration system applying parameter analysis, a static random access memory may be used to replace the MMC memory card. Static Random-Access Memory (SRAM) is one type of Random Access Memory. By "static," it is meant that the data stored in such a memory is always maintained as long as the memory remains powered on. In contrast, data stored in a Dynamic Random Access Memory (DRAM) needs to be periodically updated. However, when the power supply is stopped, the data stored in the SRAM is still lost (called a "volatile memory"), which is different from the ROM or flash memory that can store data after power is turned off.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (10)
1. A motor deceleration system employing parametric profiling, the system comprising:
and the belt conveying mechanism is arranged near the coal digging operation surface and is of a horizontal arrangement structure, and is used for receiving each dug coal block and conveying each coal block into the coal mine transport truck.
2. The motor speed reduction system using parametric resolution of claim 1, wherein:
one end of the belt conveying mechanism is located near the coal digging operation surface, and the other end of the belt conveying mechanism is located above an opening of a carriage of the coal mine transport truck.
3. The system for motor deceleration using parametric resolution of claim 2, further comprising:
the belt conveying mechanism comprises a reciprocating type conveying belt, a transmission shaft, a follow-up shaft and a direct current driving motor, the transmission shaft and the follow-up shaft are wrapped by the reciprocating type conveying belt, the direct current driving motor is connected with the transmission shaft, and the transmission shaft is used for driving the reciprocating type conveying belt to perform reciprocating motion;
the dust removal type camera is positioned above the belt conveying mechanism and comprises an automatic dust removal mechanism, a lens, an optical filter, a support frame and a CCD sensor, wherein the automatic dust removal mechanism is arranged in front of the lens, the optical filter is arranged between the lens and the CCD sensor, the support frame is used for supporting the automatic dust removal mechanism, the lens, the optical filter and the CCD sensor, and the CCD sensor is used for executing photoelectric sensing operation on the belt conveying mechanism so as to obtain a corresponding instant sensing image;
the first identification mechanism is arranged on the left side of the dust-removing type camera and used for identifying each imaging area corresponding to each coal briquette object from the instant induction image based on the coal briquette color imaging characteristics;
the second identification mechanism is arranged on the right side of the dust-removing type camera, is connected with the first identification mechanism and is used for executing the following operations on an imaging area corresponding to each coal briquette object: calculating the cross section area of the corresponding coal briquette object entity in the horizontal direction and the maximum radial radius corresponding to the cross section based on the number of pixel points occupied by the imaging area and the imaging depth of field of the imaging area;
the data monitoring equipment is connected with the first identification mechanism and used for counting the number of the coal briquette objects in the instant induction image to be output as the number of the on-site coal briquettes;
the speed adjusting mechanism is respectively connected with the direct current driving motor, the second identification mechanism and the data monitoring equipment and is used for reducing the current rotating speed of the direct current driving motor from a default rotating speed to a first rotating speed lower than the default rotating speed when the number of the received field coal blocks is smaller than or equal to a preset number threshold;
the speed adjusting mechanism is further configured to reduce the current rotation speed of the direct current drive motor from a default rotation speed to a second rotation speed lower than the default rotation speed when the maximum value of the received maximum radial radii of the imaging regions is smaller than or equal to a preset radius threshold value, wherein the second rotation speed is lower than the first rotation speed;
the speed adjusting mechanism is further used for reducing the current rotating speed of the direct current driving motor from a default rotating speed to a second rotating speed lower than the default rotating speed when the maximum value of the received maximum radial radiuses of the imaging areas is smaller than or equal to a preset radius threshold value and the number of the received field coal blocks is smaller than or equal to a preset number threshold value;
the speed adjusting mechanism is further used for restoring the current rotating speed of the direct current driving motor to the default rotating speed when the maximum value of the received maximum radial radiuses of the imaging areas is larger than the preset radius threshold value and the number of the received field coal blocks is larger than the preset number threshold value.
4. The motor speed reduction system using parametric resolution of claim 3, wherein:
the automatic dust removal mechanism comprises dust detection equipment and dust removal execution equipment, and the dust removal execution equipment is connected with the dust detection equipment.
5. The motor speed reduction system using parametric resolution of claim 4, wherein:
the dust detection device is arranged behind the lens and used for detecting the number of dust particles on the lens.
6. The motor speed reduction system using parametric resolution of claim 5, wherein:
the dust removal executing device is used for executing dust removal action on the surface of the lens when the number of the received dust particles on the lens exceeds the limit.
7. The motor speed reduction system using parametric resolution of claim 6, wherein:
the dust removal executing equipment is also used for stopping executing dust removal action on the surface of the lens when the received number of the dust particles on the lens is not over the limit.
8. The system for motor deceleration using parametric resolution of claim 7, further comprising:
and the MMC memory card is arranged near the first authentication mechanism and is connected with the first authentication mechanism.
9. The motor speed reduction system using parametric resolution of claim 8, wherein:
the MMC memory card is used for operating and storing the coal block color imaging characteristics, and the coal block color imaging characteristics are a preset brightness numerical value range;
the preset brightness number range is limited by a brightness upper threshold and a brightness lower threshold, wherein the values of the brightness upper threshold and the brightness lower threshold are all between 0 and 127.
10. The system for motor deceleration using parametric resolution of claim 9, further comprising:
and the power supply equipment is arranged near the second identification mechanism, is respectively connected with each power utilization component of the system, and is used for supplying power to each power utilization component of the system.
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| CN202011201319.2A CN112910167B (en) | 2020-11-02 | 2020-11-02 | Motor speed reduction system applying parameter analysis |
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