CN102358572B - Integrated control system of crown block - Google Patents
Integrated control system of crown block Download PDFInfo
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- CN102358572B CN102358572B CN 201110257998 CN201110257998A CN102358572B CN 102358572 B CN102358572 B CN 102358572B CN 201110257998 CN201110257998 CN 201110257998 CN 201110257998 A CN201110257998 A CN 201110257998A CN 102358572 B CN102358572 B CN 102358572B
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Abstract
本发明公开的一种天车一体化控制系统，应用于工业生产车间，包括通信模块，用于一体化控制模块与外界进行通信，并将电压信号转换为电流信号实现通信线路上稳定传输的抗干扰信号；一体化控制模块，用于接收外界发出的控制命令，进行命令解析，并将解析出的具体命令发送至控制电路；同时向外界反馈动作执行结果；控制电路，用于执行一体化控制模块解析出的调度命令，根据一体化控制模块特定端口的不同输出状态控制特定的执行设备动作；该系统能够将现有天车各个独立的功能模块进行组合，使之按照统一的命令格式进行一体化控制。
The invention discloses a crane integrated control system, which is applied to industrial production workshops, and includes a communication module, which is used for the integrated control module to communicate with the outside world, and converts voltage signals into current signals to realize stable transmission on communication lines. Interference signal; the integrated control module is used to receive control commands from the outside world, analyze the commands, and send the analyzed specific commands to the control circuit; at the same time, feedback the action execution results to the outside world; the control circuit is used to perform integrated control The scheduling command parsed by the module controls the action of specific execution equipment according to the different output states of the specific ports of the integrated control module; chemical control.
Description
Technical field
The present invention relates to automatic operating control technology field, be specifically related to a kind of integrated control system of crown block that is applied to the commercial production workshop.
Background technology
In the commercial production workshop, overhead traveling crane need be responsible for material to be processed transporting between a plurality of operation points.The various modules of existing overhead traveling crane arrange for separating, cooperation poor performance each other, as need carry out overhead traveling crane lifting, advance, retreat and the operation of suspension hook folding, need at first then to operate the corresponding function button by manually judging, realize the advancing of overhead traveling crane, retreat, sling, put down, the run action such as suspension hook folding, be essentially a kind of manual control mode; This mode one is affected by the workshop working environment, and the personal safety of overhead traveling crane chaufeur is difficult to assurance, the 2nd, and rely on chaufeur working experience or feedback workman experience to control the operation of overhead traveling crane, control accuracy is difficult to guarantee.
Summary of the invention
In order to solve the problem that runs in background technology, the present invention proposes a kind of integrated control system of crown block, this system can with have now overhead traveling crane each independently functional module make up, make it to carry out integrated control according to unified command format.Realize that overhead traveling crane accurately moves by the automation of setting technological process, correspondingly enhance productivity, save labour turnover.
For achieving the above object, following technical scheme is adopted in the invention:
A kind of integrated control system of crown block comprises communication module, integrated control module and control circuit,
Integrated control module is used for receiving the extraneous control command of sending, and carries out command analysis, and the specific instructions that parses is sent to control circuit; Simultaneously to extraneous feedback action execution result; Described integrated control module is arranged in every overhead traveling crane control housing;
Communication module is used for integrated control module and the external world and communicates, and voltage signal is converted to the anti-jamming signal that current signal is realized stable transfer on communication line; Described communication module is arranged in every overhead traveling crane control housing;
Control circuit is used for carrying out the traffic order that integrated control module parses, and controls specific actuating equipment action according to the different output states of integrated control module particular port; Described control circuit is arranged in every overhead traveling crane control housing.
Described integrated control system of crown block also comprises power module, and being used for provides required reliable and stable power supply to whole circuit.
Described integrated control system of crown block also comprises clock circuit, and being used for provides reference clock signal to integrated control module.
Described integrated control system of crown block also comprises reset circuit, is used for when debugging, integrated control module being carried out reset operation.
Described integrated control system of crown block, thereby the servomotor that described control circuit is controlled overhead traveling cranes according to the different control commands that receive is realized the front and back walking of overhead traveling crane, thereby thereby controls overhead traveling crane hook lifting frequency converter and realize that the folding motor of the dipping and heaving of overhead traveling crane hook and overhead traveling crane hook realizes the open and close movement of overhead traveling crane hook.
Described integrated control system of crown block, described communication module is divided into A module, B module, when the external world sends control command to integrated control system of crown block, the electric current output of A blocks current source U6 connects the terminal J_Slave of A module, be connected to 1 pin of B module optocoupler U4 by J_Slave, 4 pins of B module optocoupler U4 connect 18 pins of integrated control module; The electric current output of A blocks current source U6 connects 4 pins of optocoupler U7 simultaneously, the forward of the 2 pin connecting luminous diode HTX_LED2 of U7, and 4 pins of another termination optocoupler U3 of HTX_LED2,2 pins of U3 connect the HTX pin of extraneous sending end J_Com.
Described integrated control system of crown block, described communication module is divided into A module, B module, when the external world receives the communications feedback information of integrated control system of crown block, the forward of the electric current output connecting luminous diode HRX_LED of A blocks current source U1,1 pin of another termination of HRX_LED A module optocoupler U2,4 pins of A module optocoupler U2 connect+12V voltage, and 3 pins of A module optocoupler U2 connect the HRX pin of extraneous receiving end J_Com, and the end of R3 connects-12V voltage by R4 simultaneously; The electric current output of A blocks current source U1 connects the terminal J_Host of A module simultaneously, be connected to the light-emitting diode TX_LED forward of B module by J_Host, 4 pins of another termination of TX_LED B module optocoupler U2,1 pin of B module optocoupler U2 connects 17 pins of integrated control module.
The integrated control of the invention, the one, be embodied in the unified of unlike signal of input controlled, namely by the digital signal of communication module to integrated control module transmission process coding; The 2nd, after overhead traveling crane receives order, automatic resolve command, analysis, execution corresponding actions, whole process need not manual intervention.
Owing to adopting technical scheme as above, the invention has following preceence:
1, after overhead traveling crane is received order, carry out command analysis by integrated control module, then control overhead traveling crane according to specific instructions and complete corresponding action, will have now overhead traveling crane each independently functional module make up, make it to carry out integrated control according to unified command format; Thereby realize that overhead traveling crane accurately moves by the automation of setting technological process.
2, this integrated control system of crown block can the feedback action execution result, and determines position and the status information of current overhead traveling crane by the action executing result of feedback, for following further operation provide accurately can be steady the information support.
3, have at the same time in the situation of a plurality of overhead traveling crane operations, can also be by the action executing result of feedback, actv. prevents the appearance of overhead traveling crane car accident.
Description of drawings
Fig. 1 is the schematic circuit diagram of integral control system of the present invention;
Fig. 2 is the schematic circuit diagram of communication module of the present invention;
Fig. 3 is the integrated control program diagram of circuit of the present invention;
Fig. 4 is the overhead traveling crane of the present invention handler diagram of circuit that seesaws;
Fig. 5 is overhead traveling crane hook lifting handler diagram of circuit of the present invention;
Fig. 6 is that program flow diagram is processed in overhead traveling crane hook folding of the present invention;
The specific embodiment
Below in conjunction with accompanying drawing, the invention is further illustrated:
In conjunction with Fig. 1, the integrated control system of crown block of the present embodiment specifically comprises with lower module:
Module 1: communication B module need to support the use with the A module of communicating by letter when communicating by letter with the external world.
Module 2: power module, to the IN end input 12V voltage of L7805, at OUT and the GND end input mark 5V voltage of L7805, as normal voltage.Capacitor C 4, C5 play filter action, and relay J DQ_Power plays the protective effect to L7805.
Module 3: clock circuit, the clock signal that adopts crystal oscillator XTAL generation system to need, frequency is 4MH, capacitor C 1, C2 plays the filtering protective effect.
Module 4: integrated control module adopts micro controller system PIC16F873A as control core.
Module 5: reset circuit, test phase uses, and can make system reset by reset button SW-N.
Module 6: control circuit, 1,2 pins of terminal head2 are controlled the servomotor of overhead traveling crane one end, and 3,4 pins are controlled the servomotor of the overhead traveling crane other end.5,6 ends are controlled the hook lifting frequency converter of overhead traveling crane one end, and 7,8 ends are controlled the lifting frequency converter of the overhead traveling crane other end, and 9,10 ends are controlled the hook folding motor of overhead traveling crane, and the folding simultaneously of overhead traveling crane two ends hook is therefore only with a control motor.Five groups of control principles are identical, and be controlled to be example introduction with 1,2 pins: JDQ1 is 5 pin open type relays, and 2,5 pins are connected with outside controlled motor, under normality, 2,5 disconnect, and external motor is not worked, if need external motor work, 21 pin output 5V of module 4,1, the 2 pin conductings of optocoupler PC817 (U12), 4, the 3 also conductings of pin of PC817 (U12), the coil of JDQ1 powers up the generation electromagnetic induction, with 2,5 pin adhesives, external motor work.
In conjunction with Fig. 2, when communicating by letter with integrated control system of crown block, the external world need be connected with the communication B module of integrated control system of crown block by communication A module, jointly complete communication task by communication A module with the B module of communicating by letter; Communication B module is connected with communication A module by terminal head1.What toHost, the toSlave of communication B module head1 transmitted is current signal.When communication A module sent information to integrated control module, communication A module converted the serial ports voltage signal to current signal.When the external world sends " 0 ", communication B module toSlave pin has electric current to come, 1, the 2 end conductings of optocoupler PC817 (U4), 4, the 3 also conductings of end of PC817 (U4), 18 pins (RC7/RX/DT) the input low voltage of the module 4 of communication B module namely receives " 0 "; When the external world sends " 1 ", the toSlave pin of communication B module does not have electric current to come, 1, the 2 not conductings of end of optocoupler PC817 (U4), 4, the 3 yet not conductings of end of PC817 (U4), 18 pins (RC7/RX/DT) the input 5V of the module 4 of communication B module namely receives " 1 ".When integrated control module sends information to the external world, by 17 pins (RC6/TX/CK) the transmission information of module 4.When sending " 1 ", 17 pin output 5V of module 4,1, the 2 end conductings of PC817 (U2), the current signal of communication module A module can pass through 4, the 3 end consumption of PC817 (U2), extraneous obtain " 1 "; When sending " 0 ", 17 pin output 0V of the module 4 of communication B module, 1, the 2 not conductings of end of PC817 (U2), the current signal of communication A module can not pass through 4, the 3 end consumption of PC817 (U2), extraneous obtain " 0 ".
In conjunction with Fig. 3, the integrated control system of crown block flow process is: the extraneous control command that sends of system wait, after receiving order, order is resolved, command format is 4 bit digital, 1 beginning be motion command, 2 beginnings for the lifting order, 3 beginnings be the folding order; According to the different command that receives, integrated control module is made respectively different processing, after processing finishes, if system still in operation, continues to receive order, otherwise system finishing.
In conjunction with Fig. 4: the overhead traveling crane treatment scheme that seesaws, module is waited for the control command that the overhead traveling crane action control module sends, after receiving order, order is resolved, order is that 1001 expression overhead traveling crane A ends advance, 1002 expression A ends retreat, and 1003 expression B ends advance, and 1004 expression B ends retreat, 1005 the expression two ends advance, 1006 the expression two ends retreat; After determining mode of motion, then calculate move distance, period etc., then send control command to A, B end servomotor, this action control finishes, if system works finishes, stops, otherwise continues to wait for next order.
In conjunction with Fig. 5: overhead traveling crane hook lifting treatment scheme, module is waited for the control command that the overhead traveling crane action control module sends, after receiving order, order is resolved, order is that 2001 expression overhead traveling crane A ends rise, 2002 expression A ends fall, and 2003 expression B ends rise, and 2004 expression B ends fall, 2005 expression two ends liftings, 2006 represent that two ends fall; After determining up-down mode, then calculate lifting distance, period etc., then send control command to A, B end variable-frequency motor, this lifting action is controlled and is finished, if system works finishes, stops, otherwise continues to wait for next order.
In conjunction with Fig. 6: overhead traveling crane hook folding treatment scheme, module is waited for the control command that the overhead traveling crane action control module sends, and after receiving order, order is resolved, and order is that open at 3001 expression two ends, and close at 3002 expression two ends; After determining open-close ways, obtain the period, send control command, this opening and closing movement is controlled and is finished, if system works finishes, stops, otherwise continues to wait for next order.
Claims (1)
1. integrated control system of crown block is characterized in that: comprise communication module, integrated control module and control circuit,
Integrated control module is used for receiving the extraneous control command of sending, and carries out command analysis, and the specific instructions that parses is sent to control circuit; Simultaneously to extraneous feedback action execution result; Described integrated control module is arranged in every overhead traveling crane control housing;
Communication module is used for integrated control module and the external world and communicates, and voltage signal is converted to the anti-jamming signal that current signal is realized stable transfer on communication line; Described communication module is arranged in every overhead traveling crane control housing;
Control circuit is used for carrying out the traffic order that integrated control module parses, and controls specific actuating equipment action according to the different output states of integrated control module particular port; Described control circuit is arranged in every overhead traveling crane control housing;
Also comprise power module, be used for providing required reliable and stable power supply to whole circuit; Also comprise clock circuit, be used for providing reference clock signal to integrated control module; Also comprise reset circuit, be used for when debugging, integrated control module being carried out reset operation;
Thereby the servomotor that described control circuit is controlled overhead traveling cranes according to the different control commands that receive is realized the front and back walking of overhead traveling crane, thereby control overhead traveling crane hook lifting frequency converter and realize that thereby the folding motor of the dipping and heaving of overhead traveling crane hook and overhead traveling crane hook realizes the open and close movement of overhead traveling crane hook;
Described communication module is divided into A module, B module, when the external world sends control command to integrated control system of crown block, the electric current output of A blocks current source U6 connects the terminal J_Slave of A module, be connected to 1 pin of B module optocoupler U4 by J_Slave, 4 pins of B module optocoupler U4 connect 18 pins of integrated control module; The electric current output of A blocks current source U6 connects 4 pins of A module optocoupler U7 simultaneously, the forward of the 2 pin connecting luminous diode HTX_LED2 of A module optocoupler U7,4 pins of another termination A module optocoupler U3 of HTX_LED2,2 pins of A module optocoupler U3 connect the HTX pin of extraneous sending end J_Com; When the external world receives the communications feedback information of integrated control system of crown block, the forward of the electric current output connecting luminous diode HRX_LED of A blocks current source U1,1 pin of another termination of HRX_LED A module optocoupler U2,4 pins of A module optocoupler U2 connect+12V voltage, 3 pins of A module optocoupler U2 connect the HRX pin of extraneous receiving end J_Com, and the end of R3 connects-12V voltage by R4 simultaneously; The electric current output of A blocks current source U1 connects the terminal J_Host of A module simultaneously, be connected to the light-emitting diode TX_LED forward of B module by J_Host, 4 pins of another termination of TX_LED B module optocoupler U2,1 pin of B module optocoupler U2 connects 17 pins of integrated control module; Wherein, the model of B module optocoupler U2, B module optocoupler U4, A module optocoupler U2, A module optocoupler U3 and A module optocoupler U7 model is PC817.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110257998 CN102358572B (en) | 2011-09-01 | 2011-09-01 | Integrated control system of crown block |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110257998 CN102358572B (en) | 2011-09-01 | 2011-09-01 | Integrated control system of crown block |
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| CN102358572A CN102358572A (en) | 2012-02-22 |
| CN102358572B true CN102358572B (en) | 2013-06-05 |
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| CN 201110257998 Expired - Fee Related CN102358572B (en) | 2011-09-01 | 2011-09-01 | Integrated control system of crown block |
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| CN108933580B (en) * | 2018-09-30 | 2023-07-28 | 广州光晨信息科技有限公司 | Network public opinion information analysis system |
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| JPS6317793A (en) * | 1986-07-11 | 1988-01-25 | 株式会社日立製作所 | Control system of crane |
| CN201321348Y (en) * | 2008-11-27 | 2009-10-07 | 比亚迪股份有限公司 | Crown block positioning device and crown block hauling system |
| CN201670660U (en) * | 2010-04-29 | 2010-12-15 | 杭州起重机械有限公司 | Electrical control system of crane |
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