CN112588434A - Belt transmission protection circuit and intelligent sorting equipment - Google Patents
Belt transmission protection circuit and intelligent sorting equipment Download PDFInfo
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- CN112588434A CN112588434A CN202011534040.6A CN202011534040A CN112588434A CN 112588434 A CN112588434 A CN 112588434A CN 202011534040 A CN202011534040 A CN 202011534040A CN 112588434 A CN112588434 A CN 112588434A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B13/00—Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
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Abstract
The invention discloses a belt transmission protection circuit and intelligent sorting equipment, wherein the belt transmission protection circuit comprises: the motor speed detection device comprises a speed detection module, a position detection module and a control module, wherein the control module is provided with a speed detection signal input end, a position detection signal input end and a motor control output end, the speed detection signal input end of the control module is connected with the output end of the speed detection module, the position detection signal input end of the control module is connected with the output end of the position detection module, and the output end of the control module is connected with a controlled end of a motor. Thereby solved the belt transmission operational reliability low technical problem of concentrator.
Description
Technical Field
The invention relates to the technical field of belt transmission protection, in particular to a belt transmission protection circuit and intelligent sorting equipment.
Background
After the ore is mined, the ore needs to be poured into intelligent sorting equipment such as a concentrator for sorting classification, and in the process of the operation of the concentrator, the ore can be sequentially transported through the sensor and the injection valve by the belt driven by the motor, but the belt often slips or deviates, so that the concentrator is damaged when the belt is damaged, and the belt transmission operation reliability of the concentrator is reduced.
Disclosure of Invention
The invention mainly aims to provide a belt transmission protection circuit, and aims to solve the technical problem of low reliability of belt transmission of a concentrator.
In order to realize the above-mentioned purpose, a belt transmission protection circuit is applied to intelligent sorting facilities, its characterized in that, belt transmission protection circuit includes:
the speed detection module is used for detecting the transmission speed of the belt transmission work of the intelligent sorting equipment so as to obtain a speed detection signal corresponding to the transmission speed;
the position detection module is used for detecting a working position in the belt transmission work of the intelligent sorting equipment so as to obtain a position detection signal corresponding to the working position;
the belt conveyor belt control device comprises a control module, a belt conveyor belt and a belt conveyor belt, wherein the control module is provided with a speed detection signal input end, a position detection signal input end and a motor control output end, the speed detection signal input end of the control module is connected with the output end of the speed detection module, the position detection signal input end of the control module is connected with the output end of the position detection module, and the output end of the control module is connected with a controlled end of a driving motor of a belt;
and the control module is used for controlling the driving motor to keep a current running state when determining that the transmission belt is at a preset working position and the transmission speed is within a preset speed interval according to the speed detection signal and the position detection signal, and controlling the driving motor to stop working when determining that the transmission belt deviates from the preset working position and/or the transmission speed is not within the preset speed interval.
Optionally, the speed detection module includes a photoelectric switch sensor, a first resistor, a second resistor, and a first optocoupler, a first end of the photoelectric switch sensor and a fourth end of the first optocoupler are both grounded, a second end of the photoelectric switch sensor is connected with a first end of the first optocoupler, and a third end of the photoelectric switch sensor and a first end of the first resistor are respectively connected with a first end of the second resistor; the second end of the first optical coupler is connected with the second end of the first resistor, the third end of the first optical coupler is connected with the second end of the second resistor, and the third end of the first optical coupler is the output end of the speed detection module.
Optionally, the position detection module includes a first deviation sensor, a second deviation sensor, and a third resistor, a first end of the first deviation sensor is grounded to a first end of the second deviation sensor, a second end of the first deviation sensor is connected to a second end of the second deviation sensor, and a second end of the first deviation sensor is connected to a first end of the third resistor.
Optionally, control module includes main control chip, main control chip has speed detection input foot, position detection input foot and motor control signal output foot, main control chip's speed detection input foot with the third end of first opto-coupler is connected, main control chip's position detection input foot with the second end of first off tracking sensor is connected, main control chip's motor control signal output foot with driving motor's controlled end is connected, main control chip's speed detection input foot does control module's speed detection signal input part, main control chip's position detection input foot does control module's position detection signal input part, main control chip's motor control signal output foot does control module's motor control output.
Optionally, the belt transmission protection circuit further includes a voltage conversion module, the speed detection module further includes a power end, the position detection module further includes a power end, the control module further includes a power end, an input end of the voltage conversion module is connected to the power input end, an output end of the voltage conversion module is connected to the power end of the speed detection module, an output end of the voltage conversion module is connected to the power end of the position detection module, and an output end of the voltage conversion module is connected to the power end of the control module and is configured to output a second voltage after voltage conversion is performed on a first voltage accessed by the power input end.
Optionally, the voltage conversion module is any one or more of a rectification circuit, a filter circuit, a buck chopper circuit, a boost chopper circuit, a buck chopper circuit, and a linear voltage stabilizing circuit.
Optionally, the belt transmission protection circuit further includes an indication module, the control module further has a status indication signal output end, and an input end of the indication module is connected with a status indication signal output end of the control module;
the control module is used for outputting a corresponding state indicating signal according to the speed detecting signal or the position detecting signal, outputting a working normal state indicating signal when the transmission belt is determined to be at a preset working position and the transmission speed is within a preset speed interval, and outputting a working fault state indicating signal when the transmission belt is determined to deviate from the preset working position and/or the transmission speed is not within the preset speed interval;
the indicating module is used for indicating the working state of the belt according to the state indicating signal, indicating that the working state of the belt is a normal state when the state indicating signal is the working normal state indicating signal, and indicating that the working state of the belt is a fault state when the state indicating signal is the working fault state indicating signal.
Optionally, the indication module is any one or more of an LED lamp, a buzzer, a loudspeaker and a display screen.
Optionally, the control module is further configured to control the driving motor to stop working after the driving motor is controlled to be reduced to a preset rotation speed according to a stepwise reduction strategy when it is determined that the belt deviates from the preset working position and/or the transmission speed is not within the preset speed interval.
The invention also provides intelligent sorting equipment which comprises the belt transmission protection circuit.
Optionally, the intelligent sorting apparatus is a concentrator.
The belt transmission protection circuit is formed by arranging a speed detection module, a position detection module, a control module and the like. The speed detection module is used for detecting the transmission speed of the belt so as to obtain a plurality of speed detection signals corresponding to the transmission speed of the belt. The position detection module is used for detecting the position of the belt so as to obtain a plurality of position detection signals corresponding to the position of the belt. The control module is used for controlling the driving motor to keep a current running state when the transmission belt is determined to be at the preset working position and the transmission speed is within the preset speed interval according to the speed detection signal and the position detection signal, and controlling the driving motor to stop working when the transmission belt is determined to deviate from the preset working position and/or the transmission speed is not within the preset speed interval. Thereby solved the belt transmission operational reliability low technical problem of concentrator.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to the structures shown in the drawings without creative efforts for those skilled in the art.
FIG. 1 is a block diagram of a belt transmission protection circuit of the present invention;
fig. 2 is a schematic circuit diagram of a belt transmission protection circuit according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of designing "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, an element defined as "a first" or "a second" can include at least one of the element either explicitly or implicitly. In addition, the technical solutions in the embodiments may be combined with each other, but must be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is no longer within the protection scope of the present invention.
In order to solve the technical problem of low reliability of belt transmission work of a concentrator, the invention provides a belt transmission protection circuit which is suitable for the concentrator.
Referring to fig. 1, in an embodiment of the present invention, a belt transmission protection circuit according to the present invention includes a speed detection module 10, a position detection module 20, and a control module 30, where the control module 30 has a speed detection signal input terminal, a position detection signal input terminal, and a motor control output terminal, the speed detection signal input terminal of the control module 30 is connected to the output terminal of the speed detection module 10, the position detection signal input terminal of the control module 30 is connected to the output terminal of the position detection module 20, and the output terminal of the control module 30 is connected to a controlled terminal MC of a motor.
The speed detection module 10 is configured to detect a transmission speed in belt transmission to obtain a speed detection signal corresponding to the belt transmission speed, the position detection module 20 is configured to detect a working position in belt transmission work to obtain a position detection signal corresponding to the working position, and the control module 30 is configured to control the driving motor to maintain a current operation state when it is determined that the transmission belt is at a preset working position and the transmission speed is within a preset speed interval according to the speed detection signal and the position detection signal, and control the driving motor to stop working when it is determined that the transmission belt deviates from the preset working position and/or the transmission speed is not within the preset speed interval.
The belt is used to transmit raw ore during operation of the concentrator, and during the transmission, the speed detection module 10 detects a transmission speed of the belt and outputs a speed detection signal to the control module 30, and the position detection module 20 detects a transmission position of the belt during the transmission and outputs a position detection signal to the control module 30. When the belt conveying speed is in the preset speed interval and the working position of the conveying belt is normal, the control module 30 controls the driving motor to keep the current working state. When the belt transmission speed is not within the preset speed range and/or the transmission belt deviates from the preset working position, that is, the belt deviates, the control module 30 controls the driving motor to stop working, so as to prevent the belt which abnormally works from damaging the belt or causing additional damage to the concentrating machine.
This application passes through speed detection module 10, position detection module 20, and control module 30, at the in-process of belt transmission, detects belt transmission speed and belt position and contrasts with normal behavior, and when breaking down, the timely control motor is shut down, prevents that belt itself from damaging and causing extra injury to the concentrator to the technical problem that the belt transmission operational reliability of having solved the concentrator is low has improved the belt transmission operational reliability of concentrator.
Referring to fig. 2, in an embodiment of the present invention, the speed detecting module 10 includes a photoelectric switch sensor U2, a first resistor R1, a second resistor R2, and a first optical coupler U5, a first end of the photoelectric switch sensor U2 and a fourth end of the first optical coupler U5 are both grounded, a second end of the photoelectric switch sensor U2 is connected to a first end of the first optical coupler U5, and a third end of the photoelectric switch sensor U2 and a first end of the first resistor R1 are respectively connected to a first end of the second resistor R2; the second end of the first optical coupler U5 is connected with the second end of the first resistor R1, the third end of the first optical coupler U5 is connected with the second end of the second resistor R2, and the third end of the first optical coupler U5 is the output end of the speed detection module 10.
In the concentrating machine, a belt transmission is formed by sleeving a tensioned belt on belt pulleys of two transmission shafts, and the belt transmission is used for transmitting the power of one shaft to the other shaft by virtue of the friction force generated when the belt and the belt pulleys are tensioned. Can be through detecting the slew velocity from the driving wheel, obtain the transmission speed of belt, photoelectric switch sensor U2 comprises receiver and transmitter, fix the fluted disc both ends on the driven wheel, a plurality of inspection holes have on the fluted disc, the fluted disc can be followed from the driving wheel and together rotate during belt operation, when photoelectric switch sensor U2 is through the inspection hole, the light signal of transmitter output can be received by the receiver, second voltage V2 is pulled up to by first resistance R1 to the second end of first opto-coupler U5, when U2 is through the inspection hole, a low level of U2's second end output, when U5's first end is pulled down, according to the conduction characteristic of opto-coupler, when the second end voltage of opto-coupler is higher than first end voltage, the third end and the fourth end of opto-coupler switch on. Therefore, the third terminal of the U5 is pulled up to V2 by the second resistor R2 and is grounded, and a low level signal is outputted to the main control chip U1. Through photoelectric switch sensor, can detect the transmission speed of belt, sensitivity is higher. Meanwhile, the device is small in encapsulation, simple in structure, small in occupied space and not prone to damage, and production cost and later maintenance cost are reduced.
Optionally, in addition to using the photoelectric switch sensor to measure the speed, a reflective photoelectric sensor, an encoder, a magnetoelectric speed sensor, and a radar speed measurement sensor may be used.
Referring to fig. 2, in an embodiment of the invention, the position detecting module 20 includes a first off tracking sensor U3, a second off tracking sensor U4, and a third resistor R3, a first end of the first off tracking sensor U3 and a first end of the second off tracking sensor U4 are both grounded, a second end of the first off tracking sensor U3 and a second end of the second off tracking sensor U4 are respectively connected to a first end of the third resistor R3, and a second end of the first off tracking sensor U3 is an output end of the position detecting module 20.
The first deviation sensor U3 and the second deviation sensor U4 are arranged on supports on the left side and the right side of the belt, when the belt works normally in the transmission process, the belt does not contact a deviation contact rod, the first end and the second end of the first deviation sensor U3 and the second deviation sensor U4 are not conducted, and the second ends of the U3 and the U4 are pulled up to the V2 by the third resistor R3. When the belt deviates, the belt can deviate to the left side or the right side from the middle position, the belt contacts the deviation feeler lever and pushes the feeler lever to deviate from the normal position, the first end and the second end of the first deviation sensor U3 or the second deviation sensor U4 are conducted, the second ends of the U3 and the U4 are pulled down to be grounded, and a low level is output to the main control chip U1. When the belt position returns to normal, the deviation feeler levers of the U3 and the U4 automatically rebound to the normal position, and the first ends and the second ends of the U3 and the U4 are disconnected. Through first off tracking sensor U3 and second off tracking sensor U4, can detect the belt position state sensitively, device simple to operate is and not fragile simultaneously, has reduced manufacturing cost and later maintenance's cost.
Optionally, besides using the deviation sensor for position detection, a potentiometer, a photoelectric position sensor, and a magnetic position sensor may also be used, and in actual application, an appropriate position sensor may be selected according to actual requirements, which is not limited herein.
Referring to fig. 2, in an embodiment of the invention, the control module 30 includes a main control chip U1, a main control chip U1 having a speed detection input pin CD-CS, a position detection input pin PP-JC and a motor control signal output pin MD-KZ, a speed detection input pin CD-CS of a main control chip U1 is connected with a third end of a first optocoupler U5, a position detection input pin PP-JC of a main control chip U1 is connected with a second end of a first deviation sensor U3, a motor control signal output pin MD-KZ of the main control chip U1 is connected with a controlled end MC of a motor, a speed detection input pin CD-CS of a main control chip U1 is a speed detection signal input end of a control module 30, a position detection input pin PP-JC of a main control chip U1 is a position detection signal input end of the control module 30, and a motor control signal output pin MD-KZ of a main control chip U1 is a motor control output end of the control module 30.
The speed detection input pin CD-CS of the main control chip U1 receives a speed detection signal, and the position detection input pin PP-JC of the main control chip U1 receives a position detection signal. When the photoelectric switch sensor U2 passes through the detection hole, the main control chip U1 detects that the input pin CD-CS can receive low level signals through speed, the main control chip U1 records the quantity of the low level signals received within a certain time, and compares the low level signals with a preset value to judge whether the speed is normal, and the preset value is set according to the daily use habit of a user. For example, if it takes one second to rotate the middle toothed disc for one circle, and there are eight detection holes on the toothed disc, that is, when the belt is normally transmitted, the main control chip U1 should receive eight low level signals within one second, and if the number of times of receiving the low level signals is less than eight times, it can be determined that the belt is slipping during the transmission process. When the position of the belt is normal in the transmission process, the first ends and the second ends of the U3 and the U4 are disconnected, the position detection input pin PP-JC of the main control chip U1 is pulled up by the R3, when the belt deviates in the transmission process of the belt, the first ends and the second ends of the U3 and the U4 are connected, and the main control chip U1 receives a low-level signal through the position detection input pin PP-JC and judges that the belt deviation fault occurs. In summary, when the main control chip U1 determines that the belt is slipping or running off during the belt conveying process, the motor stop signal is output to stop the motor, and when the main control chip U1 determines that the belt is working normally during the belt conveying process, the motor start signal is output to start the motor. Through main control chip U1, can be when receiving speed detected signal and position detected signal, the corresponding control signal of very fast reaction output, sensitivity is higher to the integrated level is high, circuit structure is simple, and the cost is lower.
Optionally, the CD-CS and PP-JC pins of the main control chip U1 can be digital pins or analog pins.
Optionally, the main control chip may also use a DSP (Digital Signal processor) or a FpGA (Field Programmable Gate Array), and in actual application, an appropriate chip may be selected according to actual requirements, which is not limited herein.
Referring to fig. 2, in an embodiment of the present invention, the belt transmission protection circuit further includes a voltage conversion module 40, the speed detection module 10 further has a power supply terminal, the position detection module 20 further has a power supply terminal, the control module 30 further has a power supply terminal, an input terminal of the voltage conversion module 40 is connected to the power supply terminal, an output terminal of the voltage conversion module 40 is connected to the power supply terminal of the speed detection module 10, an output terminal of the voltage conversion module 40 is connected to the power supply terminal of the position detection module 20, and an output terminal of the voltage conversion module 40 is connected to the power supply terminal of the control module 30. The main control chip U1 also has a power supply pin VCC, and VCC is connected with a second voltage V2, and the third end of the photoelectric switch sensor U2 is connected with a second voltage V2, and the second end of the first deviation sensor U3 and the second end of the second deviation sensor U4 are connected with a second voltage V2, respectively. The voltage conversion module 40 is any one or more of a rectification circuit, a filter circuit, a buck chopper circuit, a boost chopper circuit, a buck chopper circuit, and a linear voltage stabilizing circuit.
The main control chip U1, the photoelectric switch sensor U2, the first deviation sensor U3 and the second deviation sensor U4 are used as precision chips, the integration level is high, the package is small, and the borne voltage is often low. Through the voltage conversion module 40, chips or electronic components which are connected with different power input ends and have different power supply voltage requirements can be compatible, and the compatibility and the ductility of the circuit are improved.
Referring to fig. 2, in an embodiment of the present invention, the belt transmission protection circuit further includes an indication module 50, and the control module 30 further has a status indication signal output terminal, and an input terminal INS of the indication module 50 is connected to the status indication signal output terminal of the control module. The master control chip U1 further has a status indication signal output pin IND connected to the input terminal INS of the indication module 50.
The control module 30 is configured to output a corresponding status indication signal according to the speed detection signal or the position detection signal, output a working normal status indication signal when it is determined that the transmission belt is at the preset working position and the transmission speed is within the preset speed interval, and output a working failure status indication signal when it is determined that the transmission belt deviates from the preset working position and/or the transmission speed is not within the preset speed interval. The indicating module 50 is configured to indicate a working state of the belt according to the state indicating signal, indicate that the working state of the belt is a normal state when the state indicating signal is a working normal state indicating signal, and indicate that the working state of the belt is a fault state when the state indicating signal is a working fault state indicating signal. Through indicating module 50, can realize instructing the operating condition of belt and motor for the user, convenience of customers observes and detects in real time to in time report to the police when breaking down, improved the convenience.
Optionally, the indication module 50 is any one or more of an LED lamp, a buzzer, a loudspeaker, and a display screen, and in practical use, the indication module may be selected according to requirements, and is not limited herein.
Referring to fig. 2, in an embodiment of the present invention, the control module 30 is further configured to control the driving motor to stop after the driving motor is controlled to be reduced to the preset rotation speed according to a stepwise reduction strategy when it is determined that the belt deviates from the preset working position and/or the transmission speed is not in the preset speed interval.
In the working process of the concentrator, if the transmission speed and/or the transmission position of the belt are/is abnormal, the control module 30 controls the driving motor to stop working, if the motor is directly stopped, the belt may slip off or fly off due to inertia, so that damage to the belt or secondary damage to the concentrator is caused, and the control module 30 controls the driving motor to stop working after the driving motor is controlled to be reduced to the preset rotating speed according to the step-by-step reduction strategy. Through control module 30, can prevent that the belt from causing secondary damage under the fault condition, improve belt transmission work's reliability and security.
The following describes the operation process of an embodiment of the present invention with reference to the above module contents and fig. 2:
when the photoelectric switch sensor U2 passes through the detection hole, the main control chip U1 detects that the input pin CD-CS can receive low level signals through speed, the main control chip U1 records the quantity of the low level signals received within a certain time, and compares the low level signals with a preset value to judge whether the speed is normal, and the preset value is set according to the daily use habit of a user. For example, if it takes one second to rotate the middle toothed disc for one circle, and there are eight detection holes on the toothed disc, that is, when the belt is normally transmitted, the main control chip U1 should receive eight low level signals within one second, and if the number of times of receiving the low level signals is less than eight times, it can be determined that the belt is slipping during the transmission process.
When the position of the belt is normal in the transmission process, the first ends and the second ends of the U3 and the U4 are disconnected, the position detection input pin PP-JC of the main control chip U1 is pulled up by the R3, when the belt deviates in the transmission process of the belt, the first ends and the second ends of the U3 and the U4 are connected, and the main control chip U1 receives a low-level signal through the position detection input pin PP-JC and judges that the belt deviation fault occurs.
When the main control chip U1 judges that the belt skids or deviates in the transmission process, the driving motor is controlled to reduce to the preset rotating speed according to the speed reduction strategy of reducing step by step, and then the driving motor is controlled to stop working. The ore dressing machine is prevented from being damaged additionally, the state indicating signal output pin IND outputs a deviation indicating signal or a belt slipping indicating signal to the input end INS of the indicating module 50, and after the indicating module 50 receives the signals, the indicating module 50 gives an alarm to prompt a user that the belt deviation fault or the belt slipping fault or both the belt deviation fault and the belt slipping fault occur in the ore dressing machine.
When the main control chip U1 judges that the work is normal in the belt transmission, the driving motor is controlled to keep the current running state. And the status indication signal output pin IND outputs a belt working normal signal to the input terminal INS of the indication module 50, and the indication module 50 prompts the user that the belt working status is normal after receiving the signal.
In summary, the speed detection module 10, the position detection module 20, the control module 30, the voltage conversion module 40 and the indication module 50 solve the technical problem of low belt transmission operation reliability of the concentrating machine, and improve the operation reliability of the concentrating machine. Besides, more types of electronic components and chips can be compatible through the voltage conversion module 40, so that the compatibility and the ductility are improved. Meanwhile, the convenience of use of the user is improved through the indicating module 50, and visual operation and use are facilitated.
The invention also provides intelligent sorting equipment which comprises the belt transmission protection circuit, and the specific circuit of the belt transmission protection circuit refers to the embodiment.
It should be noted that, because the intelligent sorting apparatus of the present invention includes all the embodiments of the belt transmission protection circuit, the intelligent sorting apparatus of the present invention has all the advantages of the belt transmission protection circuit, and details are not repeated herein.
Wherein, intelligent sorting equipment is the concentrator.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a belt transmission protection circuit, is applied to intelligent sorting facilities, its characterized in that, belt transmission protection circuit includes:
the speed detection module is used for detecting the transmission speed of the belt transmission work of the intelligent sorting equipment so as to obtain a speed detection signal corresponding to the transmission speed;
the position detection module is used for detecting a working position in the belt transmission work of the intelligent sorting equipment so as to obtain a position detection signal corresponding to the working position;
the belt conveyor belt control device comprises a control module, a belt conveyor belt and a belt conveyor belt, wherein the control module is provided with a speed detection signal input end, a position detection signal input end and a motor control output end, the speed detection signal input end of the control module is connected with the output end of the speed detection module, the position detection signal input end of the control module is connected with the output end of the position detection module, and the output end of the control module is connected with a controlled end of a driving motor of a belt;
and the control module is used for controlling the driving motor to keep a current running state when determining that the transmission belt is at a preset working position and the transmission speed is within a preset speed interval according to the speed detection signal and the position detection signal, and controlling the driving motor to stop working when determining that the transmission belt deviates from the preset working position and/or the transmission speed is not within the preset speed interval.
2. The belt transmission protection circuit according to claim 1, wherein the speed detection module includes a photoelectric switch sensor, a first resistor, a second resistor, and a first optical coupler, a first end of the photoelectric switch sensor and a fourth end of the first optical coupler are both grounded, a second end of the photoelectric switch sensor is connected to a first end of the first optical coupler, and a third end of the photoelectric switch sensor and a first end of the first resistor are respectively connected to a first end of the second resistor; the second end of the first optical coupler is connected with the second end of the first resistor, the third end of the first optical coupler is connected with the second end of the second resistor, and the third end of the first optical coupler is the output end of the speed detection module.
3. The belt transmission protection circuit of claim 2, wherein the position detection module comprises a first off-tracking sensor, a second off-tracking sensor and a third resistor, a first end of the first off-tracking sensor and a first end of the second off-tracking sensor are both grounded, a second end of the first off-tracking sensor and a second end of the second off-tracking sensor are respectively connected with a first end of the third resistor, and the second end of the first off-tracking sensor is an output end of the position detection module.
4. The belt transmission protection circuit of claim 3, wherein the control module comprises a master control chip, the main control chip is provided with a speed detection input pin, a position detection input pin and a motor control signal output pin, the speed detection input pin of the main control chip is connected with the third end of the first optocoupler, the position detection input pin of the main control chip is connected with the second end of the first deviation sensor, the motor control signal output pin of the main control chip is connected with the controlled end of the driving motor, the speed detection input pin of the main control chip is the speed detection signal input end of the control module, the position detection input pin of the main control chip is the position detection signal input end of the control module, and the motor control signal output pin of the main control chip is the motor control output end of the control module.
5. The belt transmission protection circuit according to claim 1, further comprising a voltage conversion module, wherein the speed detection module further has a power supply terminal, the position detection module further has a power supply terminal, the control module further has a power supply terminal, an input terminal of the voltage conversion module is connected to the power supply input terminal, an output terminal of the voltage conversion module is connected to the power supply terminal of the speed detection module, an output terminal of the voltage conversion module is connected to the power supply terminal of the position detection module, and an output terminal of the voltage conversion module is connected to the power supply terminal of the control module, and is configured to convert the first voltage received at the power supply input terminal into a second voltage and output the second voltage.
6. The belt transmission protection circuit of claim 5, wherein the voltage conversion module is any one or more of a rectification circuit, a filter circuit, a buck chopper circuit, a boost chopper circuit, a buck chopper circuit, and a linear voltage regulator circuit.
7. The belt transmission protection circuit of claim 1, further comprising an indication module, the control module further having a status indication signal output, an input of the indication module being connected to the status indication signal output of the control module;
the control module is used for outputting a corresponding state indicating signal according to the speed detecting signal or the position detecting signal, outputting a working normal state indicating signal when the transmission belt is determined to be at a preset working position and the transmission speed is within a preset speed interval, and outputting a working fault state indicating signal when the transmission belt is determined to deviate from the preset working position and/or the transmission speed is not within the preset speed interval;
the indicating module is used for indicating the working state of the belt according to the state indicating signal, indicating that the working state of the belt is a normal state when the state indicating signal is the working normal state indicating signal, and indicating that the working state of the belt is a fault state when the state indicating signal is the working fault state indicating signal.
8. The belt transmission protection circuit of claim 1, wherein the control module is further configured to control the driving motor to stop operating after controlling the driving motor to decrease to a preset rotation speed according to a decreasing strategy of decreasing step by step when it is determined that the belt deviates from the preset operating position and/or the transmission speed is not within the preset speed range.
9. An intelligent sorting device, characterized in that it comprises a belt-transport protection circuit according to any one of claims 1-8.
10. The intelligent classification apparatus of claim 9, wherein the intelligent classification apparatus is a concentrator.
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| CN202011534040.6A CN112588434A (en) | 2020-12-22 | 2020-12-22 | Belt transmission protection circuit and intelligent sorting equipment |
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| CN202011534040.6A CN112588434A (en) | 2020-12-22 | 2020-12-22 | Belt transmission protection circuit and intelligent sorting equipment |
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Application publication date: 20210402 |