CN203233349U - A reversible magnetic starter of an electrically-driven multi-rotary actuating mechanism - Google Patents
A reversible magnetic starter of an electrically-driven multi-rotary actuating mechanism Download PDFInfo
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- CN203233349U CN203233349U CN 201320166199 CN201320166199U CN203233349U CN 203233349 U CN203233349 U CN 203233349U CN 201320166199 CN201320166199 CN 201320166199 CN 201320166199 U CN201320166199 U CN 201320166199U CN 203233349 U CN203233349 U CN 203233349U
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Abstract
The utility model relates to a reversible magnetic starter of an electrically-driven multi-rotary actuating mechanism. A display unit is a touch screen. An operating unit comprises a test/operation mode selecting switch, a touch screen, and a change-over switch. A signal acquiring and processing unit comprises a signal processing board and an analog-to-digital converting module. The above units are connected with a control unit programmable logic controller. The reversible magnetic starter has high reliability and a strong anti-interference capability and is used for achieving local/remote control, unlatching control, closing control, stopping control, self-hold/instant-on control, stroke limiting control, and torque limit control of the electrically-driven multi-rotary actuating mechanism, and performs comprehensive protection on unclosed contacts of a contactor, current overload, current short circuit, phase loss, undervoltage and overvoltage, and earth leakage blocking resistance in real time. The touch screen displays operating states, fault types, parameters in real time and is capable of recording, storing, and inquiring the same.
Description
Technical field
The utility model relates to a kind of reversible magnetic starter, especially relates to the reversible magnetic starter of a kind of many rotary types of driven by power actuator.
Background technology
At present, manual many rotary types actuator can not satisfy modern requirement, and large and medium-sized manual many rotary types actuator is replaced by power-actuated many rotary types actuator just gradually.
The driving of many rotary types actuator is driven by power; magnetic starter realize many rotary types actuator unlatching, closure, stop, various functions such as this locality/Long-distance Control, and many rotary types actuator carried out stroke, moment of torsion, leakage ground locking, overload, short circuit, the phase failure, owes various protections such as overvoltage.The reversible magnetic starter of the many rotary types actuator that uses at present is Single Chip Microcomputer (SCM) system control or the control of discrete component system.
But use under the environment abominable in condition of work, that electromagnetic environment is complicated, interference signal is strong, the reversible magnetic starter of existing many rotary types actuator exists following problem:
(1) reliability, stability and anti-interference are poor, and the misoperation phenomenon takes place often;
(2) after this locality/Long-distance Control, the moving operation of self-sustaining/wink were selected to need outage, dismounting wire connection cavity change wiring could realize that real time altering uses as required, and is safe, convenient inadequately.
(3) A.C. contactor of many rotary types of control actuator forward and backward breaks down because of problems such as voltage or magnetic coils, and during cisco unity malfunction, whether reversible magnetic starter does not judge the A.C. contactor adhesive, and it is carried out defencive function.
Owing to first-class problem, cause to produce with safety accident potential to occur, demand urgently being improved.
Summary of the invention
For solving the problems referred to above that present Single Chip Microcomputer (SCM) system is controlled or the reversible magnetic starter of many rotary types actuator of discrete component system control exists, the utility model provides a kind of reliability height, strong, the multiple functional reversible magnetic starter of many rotary types of driven by power actuator of antijamming capability.
The major function that the utlity model has has: (1) realize to many rotary types actuator this locality/Long-distance Control, unlatching, closure, stop, controls such as self-insurance/wink is moving, stroke limit, torque limit; (2) monitor in real time that the contacts of contactor that occurs in the many rotary types actuator work is not closed, current overload, short circuit current, phase shortage, owe overvoltage, leak faults such as ground locking resistance, realize the integrated protection to many rotary types actuator; (3) this locality/Long-distance Control, the moving operation of self-sustaining/wink are selected and can be arranged at touch-screen, realize real time altering.(4) utilize touch-screen that the related work parameter is arranged, dynamically show aperture size and the relevant parameter of many rotary types actuator, and show type and the parameter of fault in real time; (5) fault of the working condition of many rotary types actuator, generation and time etc. are saved in the touch-screen, and can real time inspection.
The technical scheme that its technical problem that solves the utility model adopts is: the Programmable Logic Controller that dependability height, the industrial circle that antijamming capability is strong are used is the control core, the magnetic starter panel is provided with a test model/mode of operation selector switch and a touch-screen, forms operating unit jointly.The test model of operating unit/mode of operation selector switch is connected with the control unit Programmable Logic Controller, the touch-screen that shows the operating unit of holding concurrently is connected with the control unit Programmable Logic Controller, show that the operating unit touch-screen of holding concurrently is electrically connected with the control unit Programmable Logic Controller by the serial communication line, signal-processing board one end and the aperture signal of signal acquisition process unit are connected with the control unit Programmable Logic Controller through analog-to-digital conversion module.
Dial in different positions according to the test of installing on the reversible magnetic starter panel/mode of operation selector switch, the operation of reversible magnetic starter is divided into two kinds of test model and mode of operations.
When test/mode of operation selector switch is dialled in the test model position, by the operation touch-screen, set each function of each running parameter and the reversible magnetic starter of test of reversible magnetic starter.Concrete function is as follows: (1) sets running parameter, comprise that this locality/distance control mode is selected, wink is moving/and the self-sustaining operational mode selects, sets rated current, sets rated voltage, sets parameters such as leaking ground locking resistance, setting and change password, setting voltage, current overload multiple.(2) test each function, comprise ground leakage resistance test, cross current test, short-circuit test, overvoltage test, phase shortage test, and whether adhesive test of contacts of contactor, working properly to guarantee each defencive function by test.According to the needs of parameter tuning, phase step type or selecting type dual mode are adopted in the change of parameter value.
Programmable controller program adopt two soft elements be used for respectively controlling that this locality/remote mode is selected and self-sustaining/wink the dynamic model formula select, and by touch-screen its selection mode is set under test model and realizes setting.Thereby use parameter setting method, solved after the moving operation of this locality/Long-distance Control, self-sustaining/wink selects to need outage the problem that dismounting explosion insulation connecting line cavity change wiring could realize.
When test/mode of operation selector switch is dialled in the mode of operation position, touch-screen on the magnetic starter panel will have local control unlatching, closure and stop key, as operating unit, in order to unlatching, the closure of controlling many rotary types actuator with stop key, and show information such as working condition, running parameter.
The input of Programmable Logic Controller also respectively with the stopping key of the closed button of the unlatching button of Long-distance Control, Long-distance Control, Long-distance Control, when opening the highest limit switch (LO), when closing minimum bit switch (LC), when opening peak torque (TO), two A.C. contactor auxiliary contact of peak torque (TC) and control forward and backward are connected when closed; The output of Programmable Logic Controller is connected with the control coil (KO, KC) of two A.C. contactors of controlling forward and backward respectively.
Under mode of operation, selection according to this locality/distance control mode, use touch-screen on the magnetic starter panel unlatching, closure, stop key, perhaps use the stopping key of closed button, Long-distance Control of unlatching button, the Long-distance Control of Long-distance Control, the switching on and off of output by the control Programmable Logic Controller, control the connecting and disconnecting of control coil of two A.C. contactors of forward and backward, carry out the operation of opening, closing and stopping thereby controlling many rotary types actuator three phase electric machine.
When under mode of operation, moving; the contacting of peak torque (TC) is realized stroke and the torque of the straight-line mechanism for opening/closing of many rotary types actuator are protected with closed when the highest limit switch (LO) when Programmable Logic Controller is opened by judging, the minimum bit switch (LC) when closing, the peak torque (TO) when opening, closure.Utilize the auxiliary contact of two A.C. contactors of control forward and backward; the switching signal of auxiliary contact is incorporated in the Programmable Logic Controller; determine whether adhesive and the disconnection of main contacts of A.C. contactor according to the switching situation of auxiliary contact; thereby whether realized the adhesive of judgement contactor, and A.C. contactor has been carried out the purpose that contact fault is protected.
The magnetic starter panel is provided with a liquid crystal display touch-screen, as showing the operating unit of holding concurrently, is connected with the control unit Programmable Logic Controller by the serial communication line.Test/mode of operation selector switch is dialled in different positions, and touch-screen will show different contents.
When test/mode of operation selector switch is in the test model position, touch-screen show arrange that performance test, Local or Remote control mode, event are checked, rated current and voltage, password, self-sustaining or wink moving mode of operation.When test/mode of operation selector switch is in the mode of operation position, touch-screen shows the local button of opening, this locality stops key, local closed button, the unlatching that many rotary types actuator is in, closure or the state that quits work, the Local or Remote control mode, self-sustaining or wink are moved mode of operation, real-time many rotary types actuator's aperture block diagram and percentage, real-time voltage, real-time current, leakage ground locking resistance.Under mode of operation, as break down, will disconnect contactor, the parameter of fault and fault time will eject on touch-screen, and the operational circumstances of many rotary types actuator, fault and time of origin thereof will be deposited in the touch-screen, and can access and check.
Signal-processing board and aperture signal are electrically connected with the control unit Programmable Logic Controller through analog-to-digital conversion module as the signal acquisition process unit, and the signal-processing board other end is electrically connected with leakage ground locking resistance, voltage, three-phase current sampling circuit.
Use three Hall current instrument transformers to be enclosed within respectively on the main power source of input three phase electric machine, gather real-time current; Leaking ground locking resistance adopts additional 24V direct voltage to obtain; Many rotary types actuator aperture and torque are taken from the transducer in many rotary types actuator.By leaking ground locking resistance, voltage, electric current, many rotary types actuator aperture size sampling circuit, analog signals such as the leakage ground locking resistance of collection three phase electric machine, voltage, electric current, many rotary types actuator aperture, be converted into the DC analogue quantity signal through signal-processing board, send into analog quantity/digital module again and convert digital signal to, send in the Programmable Logic Controller.Programmable Logic Controller is according to the parameter that collects, through logic judge and relatively after, to the electric current of many rotary types actuator three phase electric machine transship, short circuit, the phase failure and other error protection.
Advantage of the present utility model and good effect are: be applicable under the condition of work rugged environment and use that reliability height, antijamming capability are strong, various utility functions are complete, use touch screen operation, and are simple and convenient.This locality/Long-distance Control, the moving operation of self-sustaining/wink are selected to be set in the parameter, select if change, and need not wiring.Has the function of whether judging the contactor adhesive and being protected.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is front view of the present utility model.
Fig. 2 is master control schematic diagram of the present utility model.
Fig. 3 is supervisory control system circuit electrical schematic diagram of the present utility model.
Fig. 4 is programming flowchart of the present utility model.
Fig. 5 is the initial homepage program of Mitsubishi of the present utility model Programmable Logic Controller.
Second page of program that Fig. 6 Mitsubishi of the present utility model Programmable Logic Controller is initial.
The program of Fig. 7 Mitsubishi of the present utility model Programmable Logic Controller last page.
Fig. 8 is the touch screen interface that function and parameter are set of the present utility model.
Touch screen interface when Fig. 9 is the utility model standby.
Touch screen interface when Figure 10 is the unlatching of the utility model mechanism and mechanism's closure.
Figure 11 is the touch screen interface that the utility model event is checked.
Touch screen interface when Figure 12 is each function test of the utility model.
Figure 13 is that the utility model enters the touch screen interface of operation need input password the time.
Figure 14 is the touch screen interface that the utility model arranges this locality/when far controlling.
Figure 15 is the touch screen interface of the utility model when rated current is set.
Figure 16 is the touch screen interface of the utility model when rated voltage is set.
Figure 17 be the utility model arrange wink moving/touch screen interface during self-insurance.
Figure 18 is the touch screen interface of the utility model when password is set.
Figure 19 is the touch screen interface of the utility model when coming in contact the device fault.
Touch screen interface when Figure 20 is the utility model generation leakage ground locking Resistance Fault.
Touch screen interface when Figure 21 is the utility model generation under-voltage fault.
Touch screen interface when Figure 22 is the utility model generation electric voltage over press fault.
Touch screen interface when Figure 23 is the utility model generation open phase fault.
Touch screen interface when Figure 24 is 1.2 times of faults of the utility model generation current overload.
Touch screen interface when Figure 25 is 1.5 times of faults of the utility model generation current overload.
Touch screen interface when Figure 26 is 6 times of faults of the utility model generation current overload.
Touch screen interface when Figure 27 is the utility model generation short circuit current fault.
The touch screen interface of function test when Figure 28 is 1.2 times of faults of the utility model test generation current overload.
The touch screen interface of function test when Figure 29 is 1.5 times of faults of the utility model test generation current overload.
The touch screen interface of function test when Figure 30 is the utility model test generation short circuit current fault.
The touch screen interface of function test when Figure 31 is the utility model test generation leakage ground locking Resistance Fault.
The touch screen interface of function test when Figure 32 is the utility model test generation under-voltage fault.
The touch screen interface of function test when Figure 33 is the utility model test generation electric voltage over press fault.
1. shells among the figure, 2. reversible magnetic starter panel, 3. touch-screen, 4. isolation reversing switch, 5. test model/mode of operation selector switch, 6. turnover spool.
Embodiment
In the embodiment shown in fig. 1, in the turnover spool (6) binding post is arranged, the lead of input, output connects at this terminal, mainly operate and be presented at test model/mode of operation selector switch (5) and touch-screen (3) on the panel (2), (4) be to isolate reversing switch, play the effect of insulating power supply, and can be used for changing the direction that three phase electric machine rotates, (5) are test model/mode of operation selector switches.Touch-screen (3), test model/mode of operation selector switch (5), isolation reversing switch (4) have been formed 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 aperture signal, signal processing and limit switch, torque signal, D/A converter modules etc. have been formed the signal acquisition process unit of magnetic starter.
In the embodiment shown in fig. 3, DC power supply circuit is converted to the 24V DC power supply in order to the AC power of general～1140/660V.
In the embodiment shown in fig. 3, used Programmable Logic Controller is the Programmable Logic Controller of Mitsubishi, its input point X3 connects the unlatching button under the prosecutor formula far away, X4 connects the closed button under the prosecutor formula far away, and X5 connects stopping key under the prosecutor formula far away, and X6 connects the highest limit switch (LO) when opening, X7 connects the minimum bit switch (LC) when closing, X10 connects the peak torque (TO) when opening, peak torque when X11 connects closure (TC), and X12 connects the normally opened contact of main contactor.
The output point Y0 of Mitsubishi's Programmable Logic Controller connects the coil (KO) of opening main contactor, and Y1 connects the coil (KC) of closed main contactor.
Touch-screen is connected with the serial communication line with Programmable Logic Controller.
By leaking ground locking resistance, voltage, electric current, many rotary types actuator aperture size sampling circuit, analog signals such as the leakage ground locking resistance of collection three phase electric machine, voltage, electric current, many rotary types actuator aperture, be converted into the DC analogue quantity signal through signal-processing board, send into analog quantity/digital module again and convert digital signal to, send in the Programmable Logic Controller.
In the embodiment shown in fig. 4, Structured Design is adopted in programming.。
In the embodiment shown in fig. 5, be the initial homepage program of Mitsubishi of the present utility model Programmable Logic Controller.
In the embodiment shown in fig. 6, be second page of program of Mitsubishi of the present utility model Programmable Logic Controller.
In the embodiment shown in fig. 7, be the program of Mitsubishi of the present utility model Programmable Logic Controller last page.
In the embodiment shown in fig. 8, for touch-screen (3) at test model/when mode of operation selector switch (5) is in the test model position, the test model interface of demonstration.Utilize the button on the touch-screen, set each function of each running parameter and test starting device.(1) setting running parameter comprises that this locality/distance control mode is selected, wink is moving/the self-sustaining operational mode selects, sets rated current, sets rated voltage, sets parameters such as leaking ground locking resistance, setting and change password, setting voltage, current overload multiple.(2) Ce Shi each function comprise leak ground locking resistance test, cross current test, short-circuit test, overvoltage test, phase shortage test, and whether adhesive test of contacts of contactor.Working properly to guarantee each defencive function by test.
In the embodiment shown in fig. 9, for touch-screen (3) at test model/when mode of operation selector switch (5) is in the mode of operation position, the mode of operation interface of demonstration.After isolating reversing switch (4) combined floodgate, supply line powers to major loop, and programable controller system detects the loop automatically and leaks ground locking resistance and supply power voltage, if exceed setting range, touch-screen (3) will eject concrete failure cause and relevant parameter.Otherwise, as meeting the requirement of setting parameter, system will enter normal mode of operation.
Under normal mode of operation; magnetic starter is operated at touch-screen (3); controlling the three phase electric machine execution of many rotary types actuator opens, closes and stop; simultaneously magnetic starter to the electric current of many rotary types actuator three phase electric machine transship, short circuit and open phase fault protection; A.C. contactor is carried out the contact fault protection; stroke, torque to the straight-line mechanism for opening/closing of many rotary types actuator are protected, and the aperture of main running parameter, many rotary types actuator etc. is presented in the touch-screen (3).As break down, will disconnect contactor, the parameter of fault and fault time will eject on touch-screen (3), and the operational circumstances of many rotary types actuator, fault and time of origin thereof will be deposited into touch-screen (3) lining, and can access and check.
Touch screen interface when in the embodiment shown in fig. 10, being the unlatching of the utility model mechanism and mechanism's closure.
In the embodiment shown in fig. 11, be the touch screen interface that the utility model event is checked.
Touch screen interface when in the embodiment shown in fig. 12, being each function test of the utility model.
In the embodiment shown in fig. 13, be that the utility model enters the touch screen interface of operation need input password the time.
In the embodiment shown in fig. 14, be the touch screen interface that the utility model arranges this locality/when far controlling.
In the embodiment shown in fig. 15, be the touch screen interface of the utility model when rated current is set.
In the embodiment shown in Figure 16, be the touch screen interface of the utility model when rated voltage is set.
In the embodiment shown in Figure 17, be the utility model arrange wink moving/touch screen interface during self-insurance.
In the embodiment shown in Figure 18, be the touch screen interface of the utility model when password is set.
In the embodiment shown in Figure 19, be the touch screen interface of the utility model when coming in contact the device fault.
Touch screen interface when in the embodiment shown in Figure 20, being the utility model generation leakage ground locking Resistance Fault.
Touch screen interface when in the embodiment shown in Figure 21, being the utility model generation under-voltage fault.
Touch screen interface when in the embodiment shown in Figure 22, being the utility model generation electric voltage over press fault.
Touch screen interface when in the embodiment shown in Figure 23, being the utility model generation open phase fault.
Touch screen interface when in the embodiment shown in Figure 24, being 1.2 times of faults of the utility model generation current overload.
Touch screen interface when in the embodiment shown in Figure 25, being 1.5 times of faults of the utility model generation current overload.
Touch screen interface when in the embodiment shown in Figure 26, being 6 times of faults of the utility model generation current overload.
Touch screen interface when in the embodiment shown in Figure 27, being the utility model generation short circuit current fault.
The touch screen interface of function test when in the embodiment shown in Figure 28, being 1.2 times of faults of the utility model test generation current overload.
The touch screen interface of function test when in the embodiment shown in Figure 29, being 1.5 times of faults of the utility model test generation current overload.
The touch screen interface of function test when in the embodiment shown in Figure 30, being the utility model test generation short circuit current fault.
In embodiment shown in Figure 31, the touch screen interface of function test when being the utility model test generation leakage ground locking Resistance Fault.
In embodiment shown in Figure 32, the touch screen interface of function test when being the utility model test generation under-voltage fault.
In embodiment shown in Figure 33, the touch screen interface of function test when being the utility model test generation electric voltage over press fault.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range that claims were limited.
Claims (5)
1. reversible magnetic starter of universal many rotary types of driven by power actuator, comprise: control unit, operating unit, display unit, signal acquisition process unit, it is characterized in that: control unit is Programmable Logic Controller, the test model of operating unit/mode of operation selector switch (5) is connected with the control unit Programmable Logic Controller, the touch-screen (3) that shows the operating unit of holding concurrently is connected with the control unit Programmable Logic Controller, and signal-processing board one end and the aperture signal of signal acquisition process unit are connected with the control unit Programmable Logic Controller through analog-to-digital conversion module.
2. the reversible magnetic starter of universal many rotary types of driven by power actuator according to claim 1 is characterized in that: the input of Programmable Logic Controller respectively with the stopping key of the closed button of the unlatching button of Long-distance Control, Long-distance Control, Long-distance Control, when opening the highest limit switch (LO), when closing minimum bit switch (LC), when opening peak torque (TO), peak torque (TC) and two A.C. contactor auxiliary contact are connected when closed; The output of Programmable Logic Controller is connected with the control coil (KO, KC) of two A.C. contactors of controlling forward and backward respectively.
3. the reversible magnetic starter of universal many rotary types of driven by power actuator according to claim 1, it is characterized in that: reversible magnetic starter panel is provided with a touch-screen (3), and touch-screen (3) is connected with the serial communication line with Programmable Logic Controller.
4. according to the reversible magnetic starter of claim 1 or 3 described universal many rotary types of driven by power actuators, it is characterized in that: in test model/when mode of operation selector switch (5) is in the test model position, touch-screen (3) show arrange that performance test, Local or Remote control mode, event are checked, rated current and voltage, password, self-sustaining or wink moving mode of operation;
In test model/when mode of operation selector switch (5) is in the mode of operation position, touch-screen (3) shows the local button of opening, this locality stops key, local closed button, the unlatching that many rotary types actuator is in, closure or the state that quits work, the Local or Remote control mode, self-sustaining or wink are moved mode of operation, real-time many rotary types actuator's aperture block diagram and percentage, real-time voltage, real-time current, leakage ground locking resistance.
5. the reversible magnetic starter of universal many rotary types of driven by power actuator according to claim 1 is characterized in that: the signal-processing board other end with leak ground locking resistance, voltage, three-phase current sampling circuit and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320166199 CN203233349U (en) | 2013-04-03 | 2013-04-03 | A reversible magnetic starter of an electrically-driven multi-rotary actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320166199 CN203233349U (en) | 2013-04-03 | 2013-04-03 | A reversible magnetic starter of an electrically-driven multi-rotary actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203233349U true CN203233349U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320166199 Expired - Fee Related CN203233349U (en) | 2013-04-03 | 2013-04-03 | A reversible magnetic starter of an electrically-driven multi-rotary actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203233349U (en) |
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2013
- 2013-04-03 CN CN 201320166199 patent/CN203233349U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUAINAN ALAN SITE ELECTRICAL APPLIANCE CO., LTD. Assignor: Anhui University Of Science And Technology Contract record no.: 2014340000077 Denomination of utility model: Reversible magnetic starter of general power-driven multi-turn execution mechanism Granted publication date: 20131009 License type: Exclusive License Record date: 20140414 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20160403 |