CN103787043A - Pipe belt conveyor control device and pipe belt conveyor starting and adjusting method - Google Patents
Pipe belt conveyor control device and pipe belt conveyor starting and adjusting method Download PDFInfo
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- CN103787043A CN103787043A CN201310346563.1A CN201310346563A CN103787043A CN 103787043 A CN103787043 A CN 103787043A CN 201310346563 A CN201310346563 A CN 201310346563A CN 103787043 A CN103787043 A CN 103787043A
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Abstract
An embodiment of the invention discloses a pipe belt conveyor control device and a pipe belt conveyor starting and adjusting method based on the control device. The pipe belt conveyor control device comprises a head control unit, a head frequency conversion unit, a tail control unit, a tail frequency conversion unit and a communication unit. By the pipe belt conveyor control device and the pipe belt conveyor starting and adjusting method based on the control device, a pipe belt conveyor driven by multiple motors is controlled, non-synchronous operation of the motors can be avoided, normal equipment operation can be guaranteed, and the service life of the belt of the pipe belt conveyor can be prolonged.
Description
Technical field
The present invention relates to automation field, relate in particular to pipe conveyer control setup, start the method for pipe conveyer and the method for adjustment pipe conveyer.
Background technology
The pipe conveyer circular pipe belt type conveyer that is otherwise known as, is called for short pipe conveyer.Pipe conveyer is the class special belt conveyors growing up on traditional flute profile belt conveyer basis.It has can curvature of space layout, environmental protection closed conveying, adapt to complex-terrain, the advantage such as can two-way conveying convenient, and the industrial trade of carrying at bulk materials is widely applied.
In the time that pipe conveyer is applied to mass transport, fed distance is conventionally far away, fed distance is generally thousands of rice in actual use, in the time that the defeated distance of material is km level remote, because fed distance is far away, adopt single motor to drive the belt of pipe conveyer very difficult, the pipe conveyer that is therefore applied to long-distance transportation uses multiple motors to drive belt conventionally.
In prior art, pipe conveyer is in the time adopting many motors to drive belt, and each motor starts independent operating conventionally simultaneously, drives respectively belt, easily occurs that each motor moves nonsynchronous situation, affects pipe conveyer and normally moves.
Summary of the invention
The embodiment of the present invention provides pipe conveyer control setup, has started the method for pipe conveyer and the method for adjustment pipe conveyer, while driving belt respectively to solve multiple motors, easily occur that each motor moves nonsynchronous situation, affect the problem of the normal operation of pipe conveyer.
First aspect, the embodiment of the present invention provides a kind of pipe conveyer control setup, and this control setup comprises: head control unit, head converter unit, End-Management unit, afterbody converter unit, communication unit; Described head control unit is connected with described head converter unit, for passing through head converter unit control head motor; Described End-Management unit is connected with described afterbody converter unit, for by described End-Management unit controls afterbody motor; Described communication unit one end is with described head control unit to being connected, and the other end is connected with described End-Management unit, for transmit communications signals between described head control unit and described End-Management unit.
In conjunction with first aspect, in the possible implementation of the first, described communication unit, specifically for adopting mode transmit communications signals between described head control unit and described End-Management unit of ferry optics comunication.
Second aspect, corresponding with pipe conveyer control setup of the present invention, the embodiment of the present invention also provides a kind of method that starts pipe conveyer, described method comprises: described End-Management unit receives the first startup command, described the first startup command sends after the second startup command to described head converter unit at described head control unit, sent by described communication unit by described head control unit, described the second startup command starts described head motor for described head converter unit; Described End-Management unit is receiving after described the first startup command, obtains from described afterbody converter unit the moment of experiencing that described afterbody motor experiences; When described, when experiencing moment and being greater than predetermined value, described End-Management unit sends the 3rd startup command by described communication unit to described afterbody converter unit, and described the 3rd startup command starts described afterbody motor for described afterbody converter unit.
In conjunction with second aspect, in the possible implementation of the first, before described End-Management unit receives the first startup command, also comprise: described in described End-Management unit inspection, whether head control unit is unobstructed with communicating by letter of described End-Management unit; Described End-Management unit receives the first startup command and is specially: when described head control unit and described End-Management unit communication are when unobstructed, described End-Management unit receives described the first startup command.
The third aspect, corresponding with pipe conveyer control setup of the present invention, the embodiment of the present invention also provides a kind of method of adjusting pipe conveyer, and described method comprises: described head control unit obtains described head moment information from described head converter unit; Described head control unit receives the described afterbody moment information that described End-Management unit sends, and described afterbody moment information is obtained from described afterbody converter unit by described End-Management unit; Described head control unit is adjusted the operation of described head motor and described afterbody motor according to the described head moment information and the described afterbody moment information that get.
In conjunction with the third aspect, in the possible implementation of the first, at described head control unit according to described head moment information and described afterbody moment information, before the operation of described head motor and described afterbody motor is adjusted, also comprise: whether described head control unit detects described head control unit unobstructed with communicating by letter of described End-Management unit; Described head control unit is according to described head moment information and described afterbody moment information, operation to described head motor and described afterbody motor is adjusted, be specially: in the time that described head control unit and communicating by letter of described End-Management unit are unobstructed, described head control unit, according to described head moment information and described afterbody moment information, is adjusted the operation of described head motor and described afterbody motor.
In conjunction with the third aspect, in the possible implementation of the second, described head control unit is according to described head moment information and described afterbody moment information, operation to described head motor and described afterbody motor is adjusted, be specially: in the time that the moment of certain motor is less than or equal to zero, described head control unit stops all motor operations.
In conjunction with the third aspect, in the third possible implementation, described head control unit is according to described head moment information and described afterbody moment information, operation to described head motor and described afterbody motor is adjusted, and comprising: described head control unit judges exerting oneself of each motor according to described head moment information and described afterbody moment information; Exert oneself and exert oneself while not meeting with predetermined when motor actual, described head control unit generates adjusts order; Described head control unit uses described adjustment order to adjust described head motor and described afterbody motor.
In conjunction with the third aspect, in the 4th kind of possible implementation, at described head control unit according to described head moment information and described afterbody moment information, before the operation of described head motor and described afterbody motor is adjusted, also comprise: detect described head control unit whether unobstructed with communicating by letter of described End-Management unit; Described head control unit is according to described head moment information and described afterbody moment information, operation to described head motor and described afterbody motor is adjusted, comprise: in the time of the communication failure of described head control unit and described End-Management unit, described head control unit generates the first emergency engine kill order and the second emergency engine kill order; Described the first emergency engine kill order is sent to head converter unit by described head control unit, and described the first emergency engine kill order is used for ordering described head converter unit to stop described head motor operation; Described head control unit will send to described End-Management unit the second emergency engine kill order, and described the second emergency engine kill order is used for ordering described afterbody converter unit to stop described afterbody motor operation.
Compared with prior art, in the time that pipe conveyer adopts multiple motors to drive respectively the belt of pipe conveyer, adopt pipe conveyer control setup provided by the invention, start the method for pipe conveyer and the method for adjustment pipe conveyer, can avoid occurring that each motor operation is asynchronous, thereby guarantee that pipe conveyer normally moves, extend the belt service life of pipe conveyer.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.Shown in accompanying drawing, above-mentioned and other object of the present invention, Characteristics and advantages will be more clear.In whole accompanying drawings, identical Reference numeral is indicated identical part.Deliberately do not press actual size equal proportion convergent-divergent and draw accompanying drawing, focus on illustrating purport of the present invention.
Fig. 1 is an embodiment block diagram of pipe conveyer control system of the present invention;
Fig. 2 is an embodiment diagram of circuit of the present invention's method of starting pipe conveyer;
Fig. 3 is another embodiment diagram of circuit of the present invention's method of starting pipe conveyer;
Fig. 4 is an embodiment diagram of circuit of the present invention's method of adjusting pipe conveyer;
Fig. 5 is another embodiment diagram of circuit of the present invention's method of adjusting pipe conveyer.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out to clear, complete description, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Secondly, the present invention is described in detail in conjunction with schematic diagram, in the time that the embodiment of the present invention is described in detail in detail; for ease of explanation; the section-drawing of indication device structure can be disobeyed general ratio and be done local amplification, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.In addition in actual fabrication, should comprise, the three-dimensional space of length, width and the degree of depth.
Referring to Fig. 1, it is an embodiment block diagram of pipe conveyer control system of the present invention.
Frequency converter (VFD, VARIABLE-FREQUENCY DRIVE) is application converter technique and microelectronic technique, controls the electric control appliance of alternating-current motor/AC motor by changing machine operation power frequency mode.Frequency converter master can adjust voltage and the frequency of out-put supply, provides its needed power line voltage according to the actual needs of motor, and then reaches the object of adjusting motor operation.The moment etc. that uses frequency converter can also obtain its motor of powering goes out force information.The common frequency setting method of frequency converter mainly contains two kinds, and one is given by guidance panel, and one is given by controlling connection terminal.
Adopting many motors when pipe conveyer is driven, each motor is all connected with cylinder by independently coupler and change speed gear box, by drum driven belt.Because the transportation range of pipe conveyer is conventionally longer, in actual use conventionally by motor arrangement at the head of pipe conveyer and the afterbody of pipe conveyer.Therefore, can be according to the position of motor, the motor of be useful on driving tube shape belt conveyer belt is divided into two groups, head motor and afterbody motor, the motor that is positioned at pipe conveyer head or close pipe conveyer head is head motor, the motor that is positioned at pipe conveyer afterbody or close pipe conveyer afterbody is afterbody motor, and head motor and afterbody motor can be all more than one or one.
Based on this, the invention provides control setup, this control setup comprises: head control unit 101, head converter unit 102, End-Management unit 103, afterbody converter unit 104, communication unit 105.
Wherein, described head control unit 101 is connected with head converter unit 102.
Described head converter unit 102 is connected with head control unit 101.
The frequency converter that head converter unit 102 comprises carries out power supply output for the head motor to answering in contrast, controls the operation of motor by changing voltage, the frequency etc. of out-put supply.In head converter unit 102, the source voltage of frequency converter, frequency are controlled by head control unit 101.
Described End-Management unit 103 is connected with afterbody converter unit 104.
End-Management unit 103, for the operation conditions of the afterbody motor that obtains afterbody converter unit 104 and control, as output torque etc., and is controlled the operation of afterbody motor by afterbody converter unit 104.
End-Management unit 103 is also for communicating with head control unit 101, End-Management unit 103 can send to head control unit 101 operation conditions of afterbody motor, and control unit 101 obtains the order for controlling the operation of afterbody motor from the head, then control the operation of afterbody motor according to order.
Described afterbody converter unit 104 is connected with End-Management unit 103.
The frequency converter that afterbody converter unit 104 comprises carries out power supply output for the afterbody motor to answering in contrast, controls the operation of motor by changing voltage, the frequency etc. of out-put supply.In afterbody converter unit 104, the source voltage of frequency converter, frequency are controlled by End-Management unit 103.
The formation of communication unit is determined by the signalling methods between head control unit and End-Management unit, due to longer in pipe conveyer fed distance, sometimes may reach several kilometers, and head control unit 101 is arranged on the head of pipe conveyer, End-Management unit 103 is arranged on the afterbody of motor, standoff distance is very far away, for anti-stop signal decay occurs in transmitting procedure or is interfered, between head control unit 101 and End-Management unit 103, can adopt ferry optics comunication.In the time adopting ferry optics comunication between head control unit 101 and End-Management unit 103, communication unit 105, it can be fiber optic communications devices, can comprise head exchange, head fiber termination box, optical cable, afterbody fiber termination box, afterbody exchange, the output signal of head control unit 101 is converted to optical signal by head exchange and sends to head fiber termination box, head fiber termination box is transported to afterbody fiber termination box by communications optical cable by output signal, again by afterbody fiber termination box to afterbody exchange, afterbody exchange is converted to electric signal by optical signal and sends to End-Management unit 103.The transmittance process of the transmitting procedure of End-Management unit 103 output signals and head control unit 101 output signals, as similar, does not repeat them here.
In actual applications, head control unit 101 can comprise head PLC, the function of head control unit 101 can be realized by PLC and relevant device, and technical personnel can be configured head PLC, and head PLC is configured to meet the form of controlling pipe conveyer demand.End-Management unit 103 can comprise afterbody PLC, the function of End-Management unit 103 also can be realized by PLC and relevant device, technical personnel can be configured afterbody PLC, and afterbody PLC is configured to meet the form of controlling pipe conveyer demand.PLC can generate control command, adjust the order of order in the time reaching predetermined trigger condition, or also can send and adjust pipe conveyer and move required information.
Head PLC can and upper computer between communicate, receive upper computer send start and stop instruction, the instructions such as belt speed adjustment order, also can send to upper computer by the pipe conveyer motor operating state information getting.Upper computer can be the control computer that is positioned at central station of floating dock, can be also other control systems.
Head PLC and afterbody PLC directly can communicate.The control command that head PLC can send upper computer, the control command that head PLC self generates and adjustment pipe conveyer move required information and deliver to afterbody PLC, control the motor operation of afterbody group by afterbody PLC; The control command that afterbody PLC also can generate self and adjustment pipe conveyer move required information and are sent to head PLC, control the motor operation of head group by head PLC.
In the time that communication unit 105 adopts ferry optics comunication, between head PLC and afterbody PLC, can there be two fibre circuits, the wherein road of serving as theme, for transmitting control command, another is extension wire, for when the main line et out of order, transmission control command.
For preventing that communication unit 105 et out of orders from causing that head control unit 101 communicates by letter not smooth with End-Management unit 103, thereby cause pipe conveyer normally to move, head control unit 101 and End-Management unit 103 can be respectively to whether unobstructed detections of communicating by letter between head control unit 101 and End-Management unit 103.
Can find out from above-described embodiment, pipe conveyer control setup provided by the invention can be controlled pipe conveyer, for avoiding pipe conveyer to occur that each motor moves nonsynchronous situation, assurance equipment normally moves, and the belt that extends pipe conveyer provides preparatory condition service life.
Corresponding with pipe conveyer control setup of the present invention, the present invention also provides the method that uses pipe conveyer control setup provided by the invention to start pipe conveyer and the method for adjusting pipe conveyer operation.
Referring to Fig. 2, for the present invention starts an embodiment diagram of circuit of the method for pipe conveyer.This embodiment has illustrated and has used pipe conveyer control setup of the present invention to start the method for pipe conveyer.
After the order of startup pipe conveyer that receives upper computer transmission, or reach after the trigger condition of other predetermined startup pipe conveyers, head control unit sends the first startup command to head converter unit, head converter unit starts head motor according to this second startup command, head control unit is in starting head motor or after starting head motor, generate the first startup command, and the first startup command is sent to End-Management unit by communication unit.
In the time of head control unit and End-Management unit apart from each other, the communication between head control unit and End-Management unit can complete by optical fiber, and head control unit sends to End-Management unit by optical fiber by the first startup command.In the time adopting ferry optics comunication between head control unit and End-Management unit, communication unit can be fiber optic communications devices, can comprise head exchange, head fiber termination box, optical cable, afterbody fiber termination box, afterbody exchange, the output signal of head control unit is converted to optical signal by head exchange and sends to head fiber termination box, head fiber termination box is transported to afterbody fiber termination box by communications optical cable by output signal, again by afterbody fiber termination box to afterbody exchange, afterbody exchange is transformed into electric signal to End-Management unit.
End-Management unit is before receiving the first startup command, can also detect End-Management unit whether unobstructed with communicating by letter of head control unit, in the time that communication is unobstructed, End-Management unit can enough receive the startup command that head control unit sends, in the time there is fault in communication, End-Management unit can send alarm message, makes technical personnel can find in time communication failure, thereby guarantees that pipe conveyer can normally move.Thereby prevent from, due to the transmission line failure between head control unit and End-Management unit, causing End-Management unit cannot receive the first startup command, affect pipe conveyer and normally start.
When whether communicating by letter of End-Management unit inspection End-Management unit and head control unit be unobstructed, head control unit also can with whether communicating by letter of End-Management unit be unobstructed detect head control unit, in the time that head control unit finds that head control unit and End-Management unit communication exist fault, head control unit also can send alarm message, the communication failure that is detects can be more flexible, and the technical personnel of being more convenient for is found communication failure.
In actual applications, no matter whether pipe conveyer starts, as long as pipe conveyer control setup is in power-up state, head control unit and End-Management unit all can be to whether unimpeded detections of communication between the two.When head control unit comprises head PLC, when End-Management unit comprises afterbody PLC, no matter be that head PLC detects communication failure or afterbody PLC detects communication failure, all can send the alarm message that represents communication failure, notification technique personnel carry out respective handling.Can be completed by PLC with whether communicating by letter of head control unit be unobstructed End-Management unit.
Specifically, head PLC sends one group of Boolean type 0/1 change over signal according to predetermined period, for ease of transmission, head PLC can be converted to integer 0/1 signal by Boolean type 0/1 signal again, 0/1 signal is transferred to afterbody PLC by communication unit 105, afterbody PLC, receiving after shaping 0/1 signal, converts shaping 0/1 signal to Boolean type 0/1 signal, then signal is judged.By the judgement to signal, if afterbody PLC can receive change over signal according to pre-predetermined period, so just can judge between head control unit and End-Management unit, communicate by letter unobstructed, if afterbody PLC exceedes the change over signal that scheduled duration does not receive that head PLC sends, afterbody PLC can judge that communicating by letter between head control unit and End-Management unit exists fault, and wherein scheduled duration can be the several times of predetermined period as required.Afterbody PLC sends one group of Boolean type 0/1 change over signal according to predetermined period, again Boolean type 0/1 signal is converted to integer 0/1 signal, 0/1 signal is transferred to head PLC by communication unit 105, head PLC is receiving after shaping 0/1 signal, convert shaping 0/1 signal to Boolean type 0/1 signal, then signal is judged.When passing through the judgement to signal, if head PLC can receive change over signal according to pre-predetermined period, so just can judge between head control unit and End-Management unit, communicate by letter unobstructed, if head PLC exceedes the change over signal that scheduled duration does not receive that afterbody PLC sends, head PLC can judge that communicating by letter between head control unit and End-Management unit exists fault.
The belt of pipe conveyer is by being arranged in the head of pipe conveyer and the multiple electric motors of afterbody drives jointly, belt normal operation need to drive by all motors jointly, because belt is ring-type, belt can be divided into two parts according to its service direction, what wherein move to afterbody from the head is lower floor's belt, and from afterbody to head, operation is upper strata belt.If all motors start in motor start-up procedure simultaneously, the belt that is positioned at pipe conveyer head can be normally by driven by motor, due to head and afterbody distant, belt front, upper strata can not have pulling force within a period of time, and after afterbody electric motor starting, drive belt to rotate, lower floor's belt is gone to upper strata, this will make belt in pipe conveyer afterbody generation discounting phenomenon, not only affect belt life, and possibility damage equipment, affect the normal operation of pipe conveyer.
For preventing the appearance of belt discounting situation, need to be according to pre-defined rule, first start head motor and pull upper strata belt, after upper strata belt is experienced pulling force near the part of the afterbody of pipe conveyer, restart afterbody motor, at this moment can guarantee the upper strata belt phenomenon that can normal operation do not give a discount.Because the pulling force of upper strata strap end can be delivered to afterbody motor, this just makes the pulling force of head motor and the moment that afterbody motor is experienced, experience moment, between there is corresponding relation, therefore can judge and determine whether upper strata strap end has experienced pulling force by the moment size that afterbody motor is experienced.Pipe conveyer take fed distance as 2.5 kms is as example, the afterbody motor that starts to of motor is experienced the common time gap that needs 5 seconds to 9 seconds of the pulling force transmitting by belt from the head, and concrete time gap is relevant with pipe conveyer belt model and environmental aspect etc.
In the time using head motor and afterbody motor jointly to drive pipe conveyer belt, End-Management unit, receiving after the first startup command of head control unit transmission, first will judge whether the pulling force of head motor has been delivered to the afterbody of upper strata belt.The pulling force of head motor can show as the moment that afterbody motor is experienced, and therefore can judge whether the pulling force of motor has been delivered to the afterbody of upper strata belt by obtaining the moment that afterbody motor experiences.
The moment of experiencing of experiencing due to afterbody motor may be also may be caused by other reasons by the generation that pulls of belt, prevent the afterbody motor error starting causing due to extenal causes, can be according to predetermined value of the property settings of belt feeder, according to the difference of pipe conveyer belt and motor, the size of this predetermined value can be by calculating or testing and learn.End-Management unit can continue to obtain the moment that afterbody motor is experienced by afterbody converter unit, until the moment that afterbody motor is experienced is while being greater than predetermined value, can judge that the afterbody of upper strata belt experienced enough pulling force, now start afterbody motor and can not cause belt discounting phenomenon.
Can find out from above-described embodiment, the method of startup pipe conveyer provided by the invention, in the time using pipe conveyer control control setup provided by the invention to start pipe conveyer, can prevent that the belt of pipe conveyer is in afterbody generation discounting phenomenon.Both guarantee the normal operation of pipe conveyer, and can extend again the service life of belt.
Referring to Fig. 3, for the present invention starts another embodiment diagram of circuit of the method for pipe conveyer.This embodiment describes the method that uses pipe conveyer control setup of the present invention to start pipe conveyer in detail.
Step 301. head control unit generates the first startup command and the second startup command.
Head control unit, in the time reaching the condition of predetermined startup pipe conveyer, generates the first startup command and the second startup command.The condition of predetermined startup pipe conveyer can be the startup command that receives upper computer, can be also other default conditions of technical personnel.
Head control unit is before generating the first startup command and the second startup command, can also first detect between head control unit and End-Management unit communicate by letter whether unimpeded, when communicating by letter between head control unit and End-Management unit when unimpeded, regeneration the first startup command and the second startup command, otherwise just not regeneration the first startup command and the second startup command but send alarm message, there is communication failure in notification technique personnel's pipe conveyer control setup.
Step 302, the second startup command is sent to head converter unit by head control unit.
Head control unit sends to the second startup command the head converter unit being attached thereto.
Step 303, described head converter unit starts head motor according to described the second startup command receiving.
Head converter unit starts all head motors that it is controlled after the second startup command that receives the transmission of head control unit.
Step 304, the first startup command is sent to communication unit by head control unit.
Head motor, after head converter unit sends the second startup command, will send to communication unit for the first startup command that starts afterbody motor.
Step 305, the first startup command is forwarded to End-Management unit by communication unit.
The first startup command that communication unit sends head control unit is forwarded to described End-Management unit.Wherein communication unit can be fiber optic communications devices, this device can comprise head exchange, head fiber termination box, optical cable, afterbody fiber termination box, afterbody exchange, the first startup command of the transmission of head control unit is converted to optical signal form by head exchange and sends to head fiber termination box, head fiber termination box is transported to afterbody fiber termination box by communications optical cable by the first startup command, be transported to afterbody exchange by afterbody fiber termination box again, afterbody exchange is converted to electric signal by the first startup command of optical signal form again, sends to End-Management unit.
Step 306, End-Management unit is receiving after described the first startup command, obtains from afterbody converter unit the moment of experiencing that afterbody motor experiences.
End-Management unit does not start afterbody motor immediately receiving after the first startup command, but will wait for after exerting oneself of head motor is delivered to the afterbody of upper strata belt and just start afterbody motor.End-Management unit is receiving after the first startup command, can be immediately also can be after certain time delay, obtain from afterbody converter unit the moment of experiencing that afterbody motor experiences.Obtain manner can adopt to continue to obtain and also can adopt that the cycle obtains to schedule.
Step 307, when End-Management unit experience from afterbody motor experience moment and be greater than predetermined value time, End-Management unit sends the 3rd startup command to afterbody converter unit.
When the moment of experiencing when afterbody motor is greater than preset value, can judge that the afterbody of upper strata belt experienced enough pulling force, start afterbody motor and can not cause belt discounting phenomenon, now End-Management unit sends the 3rd startup command to afterbody converter unit.
Step 308, afterbody converter unit starts afterbody motor after receiving the 3rd startup command.
Afterbody converter unit starts afterbody motor after receiving described the 3rd startup command, starts according to this startup command all afterbody motors that it is controlled.
Can find out from above-described embodiment, the method of startup pipe conveyer provided by the invention, in the time using pipe conveyer control control setup provided by the invention to start pipe conveyer, can prevent that the belt of pipe conveyer is in afterbody generation discounting phenomenon.Both guarantee the normal operation of pipe conveyer, and can extend again the service life of belt.
Referring to Fig. 4, for the present invention adjusts an embodiment diagram of circuit of the method for pipe conveyer.This embodiment has illustrated and has used pipe conveyer control setup of the present invention to adjust the method for pipe conveyer operation.
In the time adopting multiple motors to drive the belt of pipe conveyer, can be according to the model of each motor and position, calculate in advance each motor predetermined exerting oneself in the time that pipe conveyer normally moves.Then by each motor reality exert oneself with each motor should be scheduled to exert oneself compare, exert oneself when inconsistent with actual when predetermined the exerting oneself that has a motor, exerting oneself of motor is adjusted to predetermined exerting oneself.
Because the size of exerting oneself of motor can embody by the moment of motor.Therefore head control unit from the head converter unit obtain the moment by the head motor of head converter unit control, in the time having many titles portion motor, head control unit from the head converter unit obtains the moment of each title portion motor, and the moment of all head motors forms head moment information.
End-Management unit obtains the moment by the afterbody motor of afterbody converter unit control from afterbody converter unit, in the time having many afterbody motors, End-Management unit can obtain from afterbody converter unit the moment of each afterbody motor, and the moment of all head-tail motors forms afterbody moment information.Then afterbody moment information is sent to head control unit by End-Management unit.
Step 403, described head control unit is adjusted the operation of described head motor and described afterbody motor according to the described head moment information and the described afterbody moment information that get.
Head control unit is after getting the moment information of moment information drive end unit motor of head motor, can at different levels the moment information getting be judged the running state of pipe conveyer, while normally operation according to the moment information getting and pipe conveyer, due moment information compares, and judges that whether exerting oneself of each motor be consistent with the predetermined size of exerting oneself.When the judgement through head control unit, the operation of all motors is all with predetermined when consistent, if the operation of motor is not adjusted, when there being exerting oneself of motor to exert oneself while not being inconsistent with predetermined, adjust exerting oneself of this motor, exerting oneself of this motor is adjusted to predetermined size.
Specifically, head control unit can be first according to the moment information of the moment information drive end unit motor of motor, judge each motor actual whether exert oneself with predetermined exert oneself consistent, exert oneself all and to exert oneself when consistent with predetermined when each motor actual, the operation of motor is not adjusted, in the time that each motor goes out force unbalance, distribution according to moment at each motor, by predetermined computation method, calculate the predetermined torque of each motor in the time going out force balance, and then order is adjusted in generation, send then to head converter unit and adjust order, regulate head motor to exert oneself by head converter unit, make converter unit send adjustment order to head in, head control unit sends to End-Management unit by communication unit adjusts order, End-Management unit is again according to adjusting order, adjusting afterbody motor by afterbody converter unit exerts oneself, thereby the actual adjustment of exerting oneself of each motor is exerted oneself unanimously as for predetermined.
In the time adopting PLC to regulate pipe conveyer, because its control system regulating power is limited, certain in particular cases can exceed the setting range of PLC, cannot be adjusted to normal value, when detecting that a motor torque is 0 or when the negative value, represent that cylinder that this motor drives, in belt generation serious friction or starting state not, if cannot adjust exerting oneself of this motor by frequency converter, can send emergency stop command by belt feeder emergent stopping.
The described head moment information getting in head control unit basis and described afterbody moment information can also detect End-Management unit whether unobstructed with communicating by letter of head control unit before the operation of described head motor and described afterbody motor is adjusted.In the time that communicating by letter between End-Management unit and head control unit is unobstructed, the operation of described head motor and described afterbody motor is adjusted, head motor and afterbody motor are adjusted to predetermined running situation; In the time that communicating by letter between End-Management unit and head control unit exists fault, the operation of emergent stopping head motor and afterbody motor, prevents that motor from continuing operation pipe conveyer is caused to damage.
Specifically; in the time that communication is unobstructed; head control unit is adjusted head motor and afterbody motor according to aforementioned manner; in the time that communication is broken down; head control unit can send emergency engine kill instruction to head converter unit and End-Management unit; head converter unit stops the operation of head motor after receiving emergency engine kill instruction, prevents the pipe conveyer device damage causing because of communication failure.Head control unit detect communicating by letter of head control unit and End-Management unit whether unobstructed in; End-Management unit also can with whether communicating by letter of End-Management unit be unobstructed detect head control unit; in the time that End-Management unit and head control unit communication failure are found in End-Management unit; End-Management unit can send emergency engine kill instruction to afterbody converter unit, and afterbody converter unit stops the operation of afterbody motor after receiving emergency engine kill instruction.Head control unit and End-Management unit are respectively to whether unobstructed detect and in the time that communication is broken down of communication, stop the operation of head motor and afterbody motor, can ensure that pipe conveyer can not be damaged because of the communication failure of pipe conveyer control system.Judge that the whether unobstructed concrete grammar of communication, referring to previous embodiment, is not just repeating at this.
Can find out from above-described embodiment, the method of pipe conveyer provided by the invention, in the time using pipe conveyer control control setup provided by the invention to start pipe conveyer, in the time that the motor operation exception of pipe conveyer causes pipe conveyer normally not move, can adjust the motor of pipe conveyer, and make pipe conveyer keep normal operation.
Referring to Fig. 5, for the present invention adjusts another embodiment diagram of circuit of the method for pipe conveyer, this embodiment describes the method that uses pipe conveyer control setup of the present invention to adjust pipe conveyer operation in detail.
Step 501, head control unit from the head converter unit obtains head moment information.
Head control unit from the head converter unit obtains head moment information, in the time that head motor comprises multiple electric motors, obtains the moment information of each motor.
Step 502, End-Management unit obtains afterbody moment information from afterbody converter unit.
End-Management unit from the head converter unit obtains afterbody moment information, in the time that afterbody motor comprises multiple electric motors, obtains the moment information of each motor.
Step 503, the afterbody moment information getting is sent to communication unit by End-Management unit.
In the time that afterbody motor comprises multiple electric motors, the moment information of the motor of many is sent to respectively communication unit by End-Management unit.
Step 504, the afterbody moment information receiving is sent to head control unit by communication unit.
Communication unit can comprise head exchange, head fiber termination box, optical cable, afterbody fiber termination box, afterbody exchange.
The moment information that End-Management unit sends is converted to optical signal form by afterbody exchange, afterbody fiber termination box is transported to head fiber termination box by communications optical cable by the moment information of optical signal form, again by head fiber termination box to head exchange, head exchange will be transformed into electric signal and send to head control unit.
Step 505, head control unit judges exerting oneself of each motor according to head moment information and afterbody moment information.
Head control unit is according to head moment information and afterbody moment information, can know each motor exert oneself and speed fast, and whether the running condition of each motor conforms to predetermined.
Step 506, exerts oneself and exerts oneself while not meeting with predetermined when motor actual, generates first and adjusts order and second and adjust order.
When actual the exerting oneself that has one or more motor exerted oneself while not meeting with predetermined, distribution according to moment at each motor, and predetermined method of calculating, calculate the predetermined torque of each motor in the time going out force balance, and then order and the second adjustment order are adjusted in generation first, first adjusts order is used for adjusting head motor, and second adjusts order is used for adjusting afterbody motor.Adjust order for two and be used for regulating motor to exert oneself, prevent that each from going out force unbalance and damage equipment for a long time.
When detecting that a motor torque is 0 or when the negative value, represent that cylinder that this motor drives is in belt generation serious friction or starting state not, now no longer adjust each motor but stop the operation of all motors, therefore the first adjustment order and the second adjustment order can be emergency stop command, and emergency stop command is used for belt feeder emergent stopping.
Step 507, head control unit sends first to head converter unit and adjusts order.
Head control unit sends first to head converter unit and adjusts order.
Step 508, head converter unit is adjusted order according to receive first and is adjusted the operation of head motor.
Head converter unit is receiving the output of each frequency converter comprising according to the first adjustment order adjustment head converter unit after the first adjustment order, thereby the operation of head motor is adjusted.In the time that described first adjusts order for emergency stop command, head frequency converter stops the operation of head motor.
Step 509, the second adjustment order is sent to communication unit by head control unit.
Step 510, the second adjustment order is forwarded to End-Management unit by communication unit.
Communication unit can be changed the form of the second adjustment order as required in the second adjustment order transport process, is first converted into optical signal transmission, and then optical signal is converted into electric signal sends to End-Management unit.
Step 511, the second adjustment order is sent to afterbody converter unit by End-Management unit.
End-Management unit can directly be forwarded to afterbody converter unit by the second adjustment order.Also can process the second tune order as required, second after processing be adjusted to order and send to afterbody converter unit
Step 512, afterbody converter unit is adjusted order according to described second afterbody motor is adjusted.
Afterbody converter unit is receiving the output of each frequency converter comprising according to the second adjustment order adjustment afterbody converter unit after the second adjustment order, thereby the operation of afterbody motor is adjusted.In the time that described second adjusts order for emergency stop command, afterbody frequency converter stops the operation of afterbody motor.
Can find out from above-described embodiment, control method provided by the invention can be adjusted by each motor to pipe conveyer in pipe conveyer operational process, prevents each motor inequality of exerting oneself, and guarantees that pipe conveyer normally moves.
Those skilled in the art can be well understood to the mode that technology in the embodiment of the present invention can add essential general hardware platform by software and realize.Based on such understanding, the part that technical scheme in the embodiment of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions (can be Personal Computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is and the difference of other embodiment.Especially,, for system embodiment, because it is substantially similar in appearance to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a pipe conveyer control setup, is characterized in that, its device comprises:
Head control unit, head converter unit, End-Management unit, afterbody converter unit, communication unit; Described head control unit is connected with described head converter unit, for passing through head converter unit control head motor; Described End-Management unit is connected with described afterbody converter unit, for by described End-Management unit controls afterbody motor; Described communication unit one end is with described head control unit to being connected, and the other end is connected with described End-Management unit, for transmit communications signals between described head control unit and described End-Management unit.
2. device as claimed in claim 1, is characterized in that, described communication unit, specifically for adopting mode transmit communications signals between described head control unit and described End-Management unit of ferry optics comunication.
3. a method that starts pipe conveyer, is characterized in that, described method is used for using pipe conveyer control setup as claimed in claim 1 or 2 to start pipe conveyer, and described method comprises:
Described End-Management unit receives the first startup command, described the first startup command sends after the second startup command to described head converter unit at described head control unit, sent by described communication unit by described head control unit, described the second startup command is used for ordering described head converter unit to start described head motor;
Described End-Management unit is receiving after described the first startup command, obtains from described afterbody converter unit the moment of experiencing that described afterbody motor experiences;
When described, when experiencing moment and being greater than predetermined value, described End-Management unit sends the 3rd startup command by described communication unit to described afterbody converter unit, and described the 3rd startup command is used for ordering described afterbody converter unit to start described afterbody motor.
4. method as claimed in claim 3, is characterized in that, before described End-Management unit receives the first startup command, also comprises:
Described in described End-Management unit inspection, whether head control unit is unobstructed with communicating by letter of described End-Management unit;
Described End-Management unit receives the first startup command and is specially: when described head control unit and described End-Management unit communication are when unobstructed, described End-Management unit receives described the first startup command.
5. a method of adjusting pipe conveyer, is characterized in that, described method is used for using pipe conveyer control setup as claimed in claim 1 or 2 to start pipe conveyer, and described method comprises:
Described head control unit obtains the head moment information of described head motor from described head converter unit;
Described head control unit receives the afterbody moment information of the described afterbody motor of described End-Management unit transmission, and the afterbody moment information of described afterbody motor is obtained from described afterbody converter unit by described End-Management unit;
Described head control unit is adjusted the operation of described head motor and described afterbody motor according to described head moment information and described afterbody moment information.
6. method as claimed in claim 5, is characterized in that,,, before the operation of described head motor and described afterbody motor is adjusted, also comprises according to described head moment information and described afterbody moment information at described head control unit:
Whether described head control unit detects described head control unit unobstructed with communicating by letter of described End-Management unit;
Described head control unit, according to described head moment information and described afterbody moment information, is adjusted the operation of described head motor and described afterbody motor, is specially:
In the time that described head control unit and communicating by letter of described End-Management unit are unobstructed, described head control unit, according to described head moment information and described afterbody moment information, is adjusted the operation of described head motor and described afterbody motor.
7. the method as described in claim 5 or 6, is characterized in that, described head control unit, according to described head moment information and described afterbody moment information, is adjusted the operation of described head motor and described afterbody motor, is specially:
In the time having the moment of motor to be less than or equal to zero, described head control unit stops all motor operations.
8. the method as described in claim 5 or 6, is characterized in that, described head control unit, according to described head moment information and described afterbody moment information, is adjusted the operation of described head motor and described afterbody motor, comprising:
Described head control unit judges exerting oneself of each motor according to described head moment information and described afterbody moment information;
Exert oneself while not meeting with predetermined when actual the exerting oneself that has a motor, described head control unit generates adjusts order;
Described head control unit uses described adjustment order to adjust described head motor and described afterbody motor.
9. method as claimed in claim 5, is characterized in that,,, before the operation of described head motor and described afterbody motor is adjusted, also comprises according to described head moment information and described afterbody moment information at described head control unit:
Detect described head control unit whether unobstructed with communicating by letter of described End-Management unit;
Described head control unit, according to described head moment information and described afterbody moment information, is adjusted the operation of described head motor and described afterbody motor, comprising:
In the time of the communication failure of described head control unit and described End-Management unit, described head control unit generates the first emergency engine kill order and the second emergency engine kill order;
Described the first emergency engine kill order is sent to head converter unit by described head control unit, and described the first emergency engine kill order is used for ordering described head converter unit to stop described head motor operation;
Described head control unit will send to described End-Management unit the second emergency engine kill order, and described the second emergency engine kill order is used for ordering described afterbody converter unit to stop described afterbody motor operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310346563.1A CN103787043A (en) | 2013-08-09 | 2013-08-09 | Pipe belt conveyor control device and pipe belt conveyor starting and adjusting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310346563.1A CN103787043A (en) | 2013-08-09 | 2013-08-09 | Pipe belt conveyor control device and pipe belt conveyor starting and adjusting method |
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| CN103787043A true CN103787043A (en) | 2014-05-14 |
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| CN201310346563.1A Pending CN103787043A (en) | 2013-08-09 | 2013-08-09 | Pipe belt conveyor control device and pipe belt conveyor starting and adjusting method |
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