CN103166538B - Reversible magnetic starter of general power-driven multi-turn execution mechanism - Google Patents
Reversible magnetic starter of general power-driven multi-turn execution mechanism Download PDFInfo
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- CN103166538B CN103166538B CN201310116235.2A CN201310116235A CN103166538B CN 103166538 B CN103166538 B CN 103166538B CN 201310116235 A CN201310116235 A CN 201310116235A CN 103166538 B CN103166538 B CN 103166538B
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Abstract
The present invention relates to a kind of power-driven multi-turn execution mechanism reversible magnetic switch, display unit is touch-screen, operating unit is test/mode of operation selector switch, touch-screen and reversing switch, signal acquisition process unit is signal-processing board and analog-to-digital conversion module, and above unit is connected with control unit Programmable Logic Controller respectively.Its reliability is high, antijamming capability is strong, for the local/remote of power-driven multi-turn execution mechanism, unlatching, closed, stop, the control such as self-insurance/wink is dynamic, stroke limit, torque limit; And carry out the integrated protections such as contacts of contactor is not closed, current overload, short circuit current, phase shortage, deficient overvoltage, leakage ground latch-up resistance in real time; Touch-screen shows working condition or fault type, parameter in real time, and can record, store and check.<pb pnum="1" />
Description
Technical field
The present invention relates to a kind of reversible magnetic switch, especially relate to a kind of reversible magnetic switch of power-driven multi-turn execution mechanism.
Background technology
At present, manual many rotary types actuator can not meet modern requirement, and many rotary types actuator that large and medium-sized many rotary types actuator is manually driven electrically just gradually replaced.
The driving of many rotary types actuator is driven by power; magnetic starter realizes the various functions such as the unlatching of many rotary types actuator, closed, stoppings, local/remote control, and carries out the various protections such as stroke, moment of torsion, leakage ground locking, overload, short circuit, disconnected phase, deficient overvoltage to many rotary types actuator.The reversible magnetic switch of many rotary types actuator of current use is Single Chip Microcomputer (SCM) system control or discrete component Systematical control.
But use under the environment severe in condition of work, electromagnetic environment is complicated, interference signal is strong, the reversible magnetic switch of existing many rotary types actuator also exists following problem:
(1) reliability, stability and anti-interference are poor, and misoperation phenomenon occurs often;
(2), after local/remote controls, self-sustaining/wink, dynamic operation selection needed power-off, dismounting wire connection cavity change wiring could realize, and can not change use in real time as required, safe not, convenient.
(3) A.C. contactor controlling many rotary types actuator forward and backward breaks down because of the problem such as voltage or magnetic coil, and during cisco unity malfunction, whether reversible magnetic switch does not judge A.C. contactor adhesive, and carries out defencive function to it.
Due to first-class problem, cause production and safety to occur accident potential, urgently improved.
Summary of the invention
For the problems referred to above that the reversible magnetic switch of the many rotary types actuator solving the control of current Single Chip Microcomputer (SCM) system or discrete component Systematical control exists, the invention provides the power-driven multi-turn execution mechanism reversible magnetic switch that a kind of reliability is high, antijamming capability is strong, multiple functional.
The major function that the present invention has has: the controls such as (1) realizes controlling the local/remote of many rotary types actuator, open, close, stop, self-insurance/wink is moved, stroke limit, torque limit; (2) faults such as the contacts of contactor occurred in the work of real-time monitoring many rotary types actuator is not closed, current overload, short circuit current, phase shortage, deficient overvoltage, leakage ground latch-up resistance, realize the integrated protection to many rotary types actuator; (3) local/remote control, the dynamic operation selection of self-sustaining/wink can be arranged on the touchscreen, realize changing in real time.(4) utilize touch-screen to be arranged relevant operating parameter, the aperture size of Dynamic Announce many rotary types actuator and relevant parameter, and show type and the parameter of fault in real time; (5) be saved in touch-screen to the working condition of many rotary types actuator, the fault of generation and time etc., and can real time inspection.
The technical solution adopted for the present invention to solve the technical problems is: a kind of reversible magnetic starter of general power-driven multi-turn execution mechanism, comprise: control unit, display unit, operating unit, signal acquisition process unit, it is characterized in that: control unit is Programmable Logic Controller, display unit is touch-screen, operating unit is test model/mode of operation selector switch, touch-screen and isolation reversing switch, and signal acquisition process unit is signal-processing board and analog-to-digital conversion module; The input of Programmable Logic Controller respectively with the closed button of the unlatching button of Long-distance Control, Long-distance Control, the stopping key of Long-distance Control, open time the highest limit switch (LO), close time minimum bit switch (LC), open time peak torque (TO), closed time peak torque (TC) and two A.C. contactor auxiliary contact be connected; The output of Programmable Logic Controller is connected with the control coil (KO, KC) of two A.C. contactors controlling forward and backward respectively; Reversible magnetic switch panel is provided with a touch-screen, and touch-screen is connected with Programmable Logic Controller serial communication line; When test model/mode of operation selector switch is in test model position, touch-screen display arranges performance test, Local or Remote control mode, event are checked, rated current and voltage, password, self-sustaining or wink move mode of operation; When test model/mode of operation selector switch is in working mode position, touch-screen display is local opens button, this locality stops key, local closed button, the unlatching that many rotary types actuator is in, the closed or state that quits work, Local or Remote control mode, self-sustaining or wink move mode of operation, real-time many rotary types actuator aperture block diagram and percentage, real-time voltage, real-time current, leakage ground latch-up resistance; Signal-processing board one end is connected with leakage ground latch-up resistance, voltage, three-phase current sampling circuit, the signal-processing board other end and many rotary types actuator opening amount signal are connected with one end of analog quantity/digital module, and analog quantity/digital module other end is connected with Programmable Logic Controller.
The three-phase current of major loop is introduced in magnetic starter by inlet wire pipe, on input contact through isolating two A.C. contactors of reversing switch and fuse access control many rotary types actuator forward and backward, the output contact of contactor draws magnetic starter, there is resistance capaciting absorpting circuit therebetween, finally receive on the three phase electric machine of control many rotary types actuator action.
Three Hall current instrument transformers are enclosed within the main power source of input three phase electric machine, in order to gather real-time current respectively; Leaking ground latch-up resistance adopts additional 24V direct voltage to obtain; Many rotary types actuator aperture and torque take from the transducer in many rotary types actuator.
Major loop alternating voltage 660/380V produces 220V and 36V voltage through isolating transformer, 220V alternating voltage is input in 24V stabilized voltage power supply, produce 24V direct voltage to be supplied in Programmable Logic Controller, touch-screen and leakage ground latch-up resistance testing circuit, 36V alternating voltage is used for the operating voltage of two A.C. contactors.
By leakage ground latch-up resistance, voltage, electric current, many rotary types actuator aperture size sampling circuit, gather the analog signals such as leakage ground latch-up resistance, voltage, electric current, many rotary types actuator aperture of three phase electric machine, DC analogue quantity signal is converted into through signal-processing board, send into analog quantity/digital module again and convert digital signal to, send in Programmable Logic Controller.
The Long-distance Control of many rotary types actuator is opened, is closed and stop key, travel switch upper and lower limit signal, torque limit signal during open and close, two contacts of contactor detection signals, all be linked in the input point of Programmable Logic Controller, the output point of Programmable Logic Controller accesses on the control coil of two contactors, in order to control the forward and backward of three phase electric machine.
Programmable Logic Controller, according to collecting to obtain parameter and signal, carries out analyzing and differentiating, and then controls the operation of many rotary types actuator three phase electric machine.The information such as working condition, running parameter, operation troubles of setup parameter, performance test, many rotary types actuator all shows on the touchscreen after Programmable Logic Controller process.
What test model/mode of operation selector switch determined touch-screen enters interface.When test model/mode of operation selector switch is in test model, enter the interface of test model; When test model/mode of operation selector switch is in mode of operation, enter the interface of mode of operation.Specific as follows:
When touch-screen enters test model interface, on test model interface, complete the performance test of magnetic starter system, control model, check event, set rated voltage and rated current parameters, password is set, self-sustaining/wink move functions such as arranging.According to needs of adjusting, the change of parameter value adopts phase step type or selecting type two kinds of modes.
When touch-screen enters mode of operation interface, on mode of operation interface, it has local control to open, closed and stop key, in order to control the unlatching, closed and stop key of many rotary types actuator, and show the information such as working condition, running parameter.
Programmable controller program adopts two soft elements be used for respectively controlling local/remote model selection and self-sustaining/wink moving model selection, and under test model, arrange its selection mode to realize setting by touch-screen.Thus with parameter setting method, solve that local/remote controls, self-insurance/wink dynamicly run after selection needs power-off, change the problem that wiring could realize after dismounting again.
Utilize the auxiliary contact of A.C. contactor, the switching signal of auxiliary contact is incorporated in Programmable Logic Controller, according to whether adhesive and the disconnection of the main contacts of the switching situation determination A.C. contactor of auxiliary contact.Thus achieve whether judge contactor adhesive, and to the object that it is protected.
Advantage of the present invention and good effect are: use under being applicable to condition of work rugged environment, and reliability is high, antijamming capability is strong, and various utility function is complete, use touch screen operation, simple and convenient.Local/remote controls, the dynamic operation selection of self-sustaining/wink is set in parameter, selects, without the need to wiring if change.Have and judge that whether and the function protected contactor adhesive.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is front view of the present invention.
Fig. 2 is master control schematic diagram of the present invention.
Fig. 3 is supervisory control system circuit electrical schematic diagram of the present invention.
Fig. 4 is programming flowchart of the present invention.
Fig. 5 is the initial homepage program of Mitsubishi of the present invention Programmable Logic Controller.
The second page program that Fig. 6 Mitsubishi of the present invention Programmable Logic Controller is initial.
The program of Fig. 7 Mitsubishi of the present invention Programmable Logic Controller last page.
Fig. 8 is the touch screen interface arranging function and parameter of the present invention.
Fig. 9 be the present invention standby time touch screen interface.
Figure 10 is touch screen interface when mechanism of the present invention opens and mechanism closes.
Figure 11 is the touch screen interface that event of the present invention is checked.
Touch screen interface when Figure 12 is the present invention's each function test.
Figure 13 is that the present invention enters the touch screen interface operated when need input password.
Figure 14 is the touch screen interface of the present invention when arranging this locality/control far away.
Figure 15 is the touch screen interface of the present invention when arranging rated current.
Figure 16 is the touch screen interface of the present invention when arranging rated voltage.
Figure 17 be the present invention arrange move in wink/self-insurance time touch screen interface.
Figure 18 is the touch screen interface of the present invention when arranging password.
Figure 19 is the touch screen interface of the present invention when coming in contact device fault.
Figure 20 is the touch screen interface that the present invention occurs when leaking ground latch-up resistance fault.
Touch screen interface when Figure 21 is generation under-voltage fault of the present invention.
Touch screen interface when Figure 22 is generation electric voltage over press fault of the present invention.
Touch screen interface when Figure 23 is generation open phase fault of the present invention.
Touch screen interface when Figure 24 is generation current overload 1.2 times of faults of the present invention.
Touch screen interface when Figure 25 is generation current overload 1.5 times of faults of the present invention.
Touch screen interface when Figure 26 is generation current overload 6 times of faults of the present invention.
Touch screen interface when Figure 27 is generation short circuit current fault of the present invention.
Figure 28 is the touch screen interface that the present invention tests function test when there is current overload 1.2 times of faults.
Figure 29 is the touch screen interface that the present invention tests function test when there is current overload 1.5 times of faults.
Figure 30 is the touch screen interface that the present invention tests function test when there is short circuit current fault.
Figure 31 is the touch screen interface that the present invention tests function test when occurring to leak ground latch-up resistance fault.
Figure 32 is the touch screen interface that the present invention tests function test when there is under-voltage fault.
Figure 33 is the touch screen interface that the present invention tests function test when there is electric voltage over press fault.
1. shells in figure, 2. reversible magnetic switch panel, 3. touch-screen, 4. isolate reversing switch, 5. test model/mode of operation selector switch, 6. passes in and out spool.
Embodiment
In the embodiment shown in fig. 1, binding post is had in turnover spool (6), input, the wire exported connect on this terminal, main operation and the test model/mode of operation selector switch (5) be presented on panel (2) and touch-screen (3), (4) be isolation reversing switch, play the effect of insulating power supply, and can be used for the direction changing three phase electric machine rotation, (5) are test model/mode of operation selector switches.Touch-screen (3), test model/mode of operation selector switch (5), isolation reversing switch (4) constitute operating unit.
In the embodiment shown in Figure 2, programmable controller is control unit; Touch-screen (3) is display unit; Earth leakage search/lockout resistance, voltage, current sampling circuit, many rotary types actuator opening amount signal, signal transacting and limit switch, torque signal, D/A converter module etc. constitute the signal acquisition process unit of magnetic starter.
In the embodiment shown in fig. 3, DC power supply circuit is in order to be converted to 24V DC power supply by the AC power of ~ 1140/660V.
In the embodiment shown in fig. 3, Programmable Logic Controller used is the Programmable Logic Controller of Mitsubishi, its input point X3 connects the unlatching button under prosecutor formula far away, X4 connects the closed button under prosecutor formula far away, X5 connects stopping key under prosecutor formula far away, X6 connects the highest limit switch (LO) during unlatching, X7 connects the minimum bit switch (LC) during closedown, X10 connects the peak torque (TO) during unlatching, peak torque (TC) when X11 connects closed, X12 connects the normally opened contact of main contactor.
The output point Y0 of Mitsubishi's Programmable Logic Controller connects the coil (KO) opening main contactor, and Y1 connects the coil (KC) of closed main contactor.
Touch-screen is connected with Programmable Logic Controller serial communication line.
By leakage ground latch-up resistance, voltage, electric current, many rotary types actuator aperture size sampling circuit, gather the analog signals such as leakage ground latch-up resistance, voltage, electric current, many rotary types actuator aperture of three phase electric machine, DC analogue quantity signal is converted into through signal-processing board, send into analog quantity/digital module again and convert digital signal to, send in Programmable Logic Controller.
In the embodiment shown in fig. 4, programming adopts Structured Design.。
In the embodiment shown in fig. 5, be the initial homepage program of Mitsubishi of the present invention Programmable Logic Controller.
In the embodiment shown in fig. 6, be Mitsubishi of the present invention Programmable Logic Controller second page program.
In the embodiment shown in fig. 7, be the program of Mitsubishi of the present invention Programmable Logic Controller last page.
In the embodiment shown in fig. 8, for touch-screen (3) is when test model/mode of operation selector switch (5) is in test model position, the test model interface of display.Utilize the button on touch-screen, set each function of each running parameter and test starting device.(1) setting running parameter comprises that local/remote control model is selected, wink is dynamic/and self-sustaining operational mode selects, the parameters such as ground latch-up resistance, setting and change password, setting voltage, current overload multiple are leaked in setting rated current, setting rated voltage, setting.(2) each function of testing comprise leak ground latch-up resistance test, cross current test, short-circuit test, overvoltage test, phase shortage test, and contacts of contactor whether adhesive test.Working properly to guarantee each defencive function by test.
In the embodiment shown in fig. 9, for touch-screen (3) is when test model/mode of operation selector switch (5) is in working mode position, the mode of operation interface of display.After isolation reversing switch (4) is closed a floodgate, supply line powers to major loop, the automatic measure loop of programable controller system leaks ground latch-up resistance and supply power voltage, if exceed setting range, touch-screen (3) is by the concrete failure cause of ejection and relevant parameter.Otherwise as met the requirement of setting parameter, system will enter normal mode of operation.
Under normal mode of operation; magnetic starter is in the upper operation of touch-screen (3); control the three phase electric machine execution of many rotary types actuator to open, close and stop; simultaneously the electric current of magnetic starter to many rotary types actuator three phase electric machine transship, short circuit and open phase fault protection; contact fault protection is carried out to A.C. contactor; protect the stroke of the mechanism for opening/closing of many rotary types actuator rectilinear motion, torque, the aperture etc. of main running parameter, many rotary types actuator is presented in touch-screen (3).As broken down, contactor will be disconnected, the parameter of fault and fault time will eject on touch-screen (3), and it is inner that the operational circumstances of many rotary types actuator, fault and time of origin thereof will be deposited into touch-screen (3), and can recall and check.
In the embodiment shown in fig. 10, be that mechanism of the present invention opens and the touch screen interface of mechanism when closing.
In the embodiment shown in fig. 11, be the touch screen interface that event of the present invention is checked.
In the embodiment shown in fig. 12, touch screen interface when being each function test of the present invention.
In the embodiment shown in fig. 13, be that the present invention enters the touch screen interface operated when need input password.
In the embodiment shown in fig. 14, be the touch screen interface of the present invention when this locality/control far away is set.
In the embodiment shown in fig. 15, be the touch screen interface of the present invention when rated current is set.
In the embodiment shown in Figure 16, be the touch screen interface of the present invention when rated voltage is set.
In the embodiment shown in Figure 17, be the present invention arrange move in wink/self-insurance time touch screen interface.
In the embodiment shown in Figure 18, be the touch screen interface of the present invention when password is set.
In the embodiment shown in Figure 19, be the touch screen interface of the present invention when coming in contact device fault.
In the embodiment shown in Figure 20, be the touch screen interface that the present invention occurs when leaking ground latch-up resistance fault.
In the embodiment shown in Figure 21, touch screen interface when being generation under-voltage fault of the present invention.
In the embodiment shown in Figure 22, touch screen interface when being generation electric voltage over press fault of the present invention.
In the embodiment shown in Figure 23, touch screen interface when being generation open phase fault of the present invention.
In the embodiment shown in Figure 24, touch screen interface when being generation current overload 1.2 times of faults of the present invention.
In the embodiment shown in Figure 25, touch screen interface when being generation current overload 1.5 times of faults of the present invention.
In the embodiment shown in Figure 26, touch screen interface when being generation current overload 6 times of faults of the present invention.
In the embodiment shown in Figure 27, touch screen interface when being generation short circuit current fault of the present invention.
In the embodiment shown in Figure 28, be the touch screen interface that the present invention tests function test when there is current overload 1.2 times of faults.
In the embodiment shown in Figure 29, be the touch screen interface that the present invention tests function test when there is current overload 1.5 times of faults.
In the embodiment shown in Figure 30, be the touch screen interface that the present invention tests function test when there is short circuit current fault.
In the embodiment shown in Figure 31, it is the touch screen interface that the present invention tests function test when occurring to leak ground latch-up resistance fault.
In the embodiment shown in Figure 32, it is the touch screen interface that the present invention tests function test when there is under-voltage fault.
In the embodiment shown in Figure 33, it is the touch screen interface that the present invention tests function test when there is electric voltage over press fault.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection range that protection scope of the present invention should limit with claims is as the criterion.
Claims (1)
1. a reversible magnetic starter of general power-driven multi-turn execution mechanism, comprising: control unit, display unit, operating unit, signal acquisition process unit, is characterized in that:
Control unit is Programmable Logic Controller, display unit is touch-screen (3), operating unit is test model/mode of operation selector switch (5), touch-screen (3) and isolation reversing switch (4), and signal acquisition process unit is signal-processing board and analog-to-digital conversion module;
The input of Programmable Logic Controller respectively with the closed button of the unlatching button of Long-distance Control, Long-distance Control, the stopping key of Long-distance Control, open time the highest limit switch (LO), close time minimum bit switch (LC), open time peak torque (TO), closed time peak torque (TC) and two A.C. contactor auxiliary contact be connected; The output of Programmable Logic Controller is connected with the control coil (KO, KC) of two A.C. contactors controlling forward and backward respectively;
Reversible magnetic switch panel is provided with a touch-screen (3), and touch-screen (3) is connected with Programmable Logic Controller serial communication line;
When test model/mode of operation selector switch (5) is in test model position, touch-screen (3) display arranges performance test, Local or Remote control mode, event are checked, rated current and voltage, password, self-sustaining or wink move mode of operation;
When test model/mode of operation selector switch (5) is in working mode position, touch-screen (3) display is local opens button, this locality stops key, local closed button, the unlatching that many rotary types actuator is in, the closed or state that quits work, Local or Remote control mode, self-sustaining or wink move mode of operation, real-time many rotary types actuator aperture block diagram and percentage, real-time voltage, real-time current, leakage ground latch-up resistance;
Signal-processing board one end is connected with leakage ground latch-up resistance, voltage, three-phase current sampling circuit, the signal-processing board other end and many rotary types actuator opening amount signal are connected with one end of analog quantity/digital module, and analog quantity/digital module other end is connected with Programmable Logic Controller.
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CN201310116235.2A CN103166538B (en) | 2013-04-03 | 2013-04-03 | Reversible magnetic starter of general power-driven multi-turn execution mechanism |
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CN201310116235.2A CN103166538B (en) | 2013-04-03 | 2013-04-03 | Reversible magnetic starter of general power-driven multi-turn execution mechanism |
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CN103166538B true CN103166538B (en) | 2015-11-04 |
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CN103618481A (en) * | 2013-12-09 | 2014-03-05 | 湖南南方宇航高精传动有限公司 | Motor steering controller and control method |
CN107257213A (en) * | 2017-06-21 | 2017-10-17 | 安徽理工大学 | The many rotary power unit reversible magnetic switch control methods of flame-proof type electric |
CN107171600A (en) * | 2017-06-21 | 2017-09-15 | 安徽理工大学 | Universal electronic many rotary power unit reversible magnetic switch control methods |
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CN2513290Y (en) * | 2001-11-21 | 2002-09-25 | 王增华 | Reversable magnetic starter |
CN101976819A (en) * | 2010-11-04 | 2011-02-16 | 淮南市博泰矿山电器有限公司 | Mine explosion-proof alternative current (AC) vacuum electromagnetic starter |
Family Cites Families (1)
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US6836121B2 (en) * | 2001-06-06 | 2004-12-28 | Abb Inc. | Apparatus for controlling a magnetically actuated power switching device and method of controlling the same |
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CN2513290Y (en) * | 2001-11-21 | 2002-09-25 | 王增华 | Reversable magnetic starter |
CN101976819A (en) * | 2010-11-04 | 2011-02-16 | 淮南市博泰矿山电器有限公司 | Mine explosion-proof alternative current (AC) vacuum electromagnetic starter |
Non-Patent Citations (1)
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