CN206444729U - The electromagnetism iron removal system of reverse demagnetization PLC controls - Google Patents
The electromagnetism iron removal system of reverse demagnetization PLC controls Download PDFInfo
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- CN206444729U CN206444729U CN201720021778.XU CN201720021778U CN206444729U CN 206444729 U CN206444729 U CN 206444729U CN 201720021778 U CN201720021778 U CN 201720021778U CN 206444729 U CN206444729 U CN 206444729U
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- removal system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of electromagnetism iron removal system of reverse demagnetization PLC controls, including middle control PLC parts, driving walking dragging system, hopper valve, excitation unit, safety device, sensor, conveyer belt part, touch screen portion, obstacles removing car.Middle control PLC parts include main control computer, middle control cabinet, middle control PLC and PLC expansion modules.Middle control PLC with driving walking dragging system, hopper valve, excitation unit, obstacles removing car, safety device, sensor, conveyer belt part and touch screen portion with being connected respectively.The utility model makes the iron-removal rate more than 95% in former coal handling system, and fault rate reduces 15%, and realizes power down automatic protection, overtemperature alarm（90℃）Etc. function, with reasonable in design, reliable, quick action, precision are high, strong antijamming capability, it is easy to maintenance the advantages of.
Description
Technical field
The utility model belongs to computer and electric field, more particularly to a kind of electricity of reverse demagnetization PLC controls
Magnetic iron removal system.
Background technology
The scope of application of iron removal system is quite varied, and which includes field of metallurgy, building field, chemical field, food
Manufacture field etc..On the garbage disposal manufacture field that new development instantly is got up, it is also desirable to be applied to iron removal system and come to rubbish
Scrap iron in rubbish, which is realized, to be reclaimed.Coal in coal industry contains a variety of impurity containing ferro element such as detonator, iron nail, so
Great potential safety hazard can be caused to industry production, therefore the application of iron removal system is very necessary.It is past in ceramic industry production
Toward raw limestone, silica raw material produced etc. including all the impurity containing ferro element is referred and synthesized, iron tramp is for ceramic product
Whiteness it is very harmful, often because containing irony in product, therefore ceramic surface produces brown spot, have impact on ceramics
It is attractive in appearance so as to reducing its grade.And being directed to steel mill, power plant, mining plants needs to realize the integrated mill of production and transport, pin
Requirement to equipment for removing ferric ion, it is necessary to remove the ferrous contaminants in non-magnetic material, can be to thin in next process
Broken equipment does not cause damage, and can ensure to get off by the security of overall process, also further promotes modern domesticization to build
It is fast-developing.
Traditional iron removal system, relatively large iron compound can only be detected and adsorbed, due in production process
Operating mode it is complex, it is necessary at the scene realize operation with monitoring, even if by repeatedly remove iron, still can not completely by
Iron is miscellaneous to be eliminated.Typically under working condition more rugged environment, the healthy infringement for staff is larger, and looks forward to
Industry will also result in great economic loss.Personnel's timing selective examination effect of arranging work in time is still little, works as device fails
When be still difficult to failture evacuation in time.With industrial automation level, iron control technology and maintenance side are simply removed in the past
Formula can not meet the demand of people, it is necessary to the problem of improving constantly the precision, efficiency, secure context except iron.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned iron removal system in the prior art is dangerous, efficiency
With the not high deficiency of precision iron system is removed there is provided the electromagnetism of a kind of safer, precision and more efficient reverse demagnetization PLC controls
System.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
A kind of electromagnetism iron removal system of reverse demagnetization PLC controls, including middle control PLC parts, driving walking dragging system, material
Case valve, excitation unit, safety device, sensor, conveyer belt part, touch screen portion, obstacles removing car.
The middle control PLC parts include main control computer, middle control cabinet, middle control PLC and PLC expansion modules.The middle control PLC
With dragging system, hopper valve, excitation unit, obstacles removing car, safety device, sensor, the conveyer belt of being walked respectively with the driving
Part is connected with touch screen portion.The PLC expansion modules are connected with the conveyer belt part.
The excitation unit includes connected excitation unit power circuit and excitation unit control circuit.The excitation unit
Power circuit and excitation unit control circuit are connected with the middle control PLC respectively.
The excitation unit power circuit includes battery charger and power supply circuit.The power supply circuit is used for described
Excitation unit control circuit is powered.
The battery charger includes the rectified three-phase circuit, filter circuit and the protection circuit that are sequentially connected, for
Battery charges.
The excitation unit control circuit includes suction control circuit, control feeding circuit, warning circuit and indicating fault
Circuit.
In one of the embodiments, the driving walking dragging system includes three fuses and fused with described three
Two groups of connected driving running gears of device.
Every group of driving running gear includes threephase asynchronous, electrothermal relay and two ac contactors being sequentially connected
Device.Two A.C. contactors are in parallel and are connected with three fuses.Each A.C. contactor with it is described in
PLC is controlled to be connected.
In one of the embodiments, the hopper valve includes stepper motor driver and the Switching Power Supply being connected.Institute
Stepper motor driver is stated with the middle control PLC to be connected.
In one of the embodiments, the safety device includes limit switch and safety switch.The limit switch and
Safety switch is connected with the middle control PLC respectively.
In one of the embodiments, the sensor includes metal detector, weight sensor and temperature sensor.Institute
State metal detector, weight sensor and temperature sensor respectively with the middle control PLC to be connected, realization is automatically controlled.
In one of the embodiments, the conveyer belt part includes analog-digital converter, frequency converter, conveyer belt and motor.
The motor is connected with conveyer belt.The middle control PLC is connected by the analog-digital converter with the frequency converter.The frequency converter
It is connected with the conveyer belt.The PLC expansion modules are connected with the frequency converter.
In one of the embodiments, the touch screen portion includes Switching Power Supply and touch-screen.The touch-screen difference
It is connected with the Switching Power Supply and middle control PLC.
In one of the embodiments, the obstacles removing car include AC servo driver, the AC servo driver with
The middle control PLC is connected.
In one of the embodiments, the middle control PLC is mitsubishi FX2N 4_8MR series of PLC.The PLC expansion modules
For FXDU_3A.
In one of the embodiments, the electromagnetism iron removal system of the reverse demagnetization PLC controls also includes RS232.It is described
Touch-screen is connected by the RS232 with the middle control PLC.
The electromagnetism iron removal system of above-mentioned reverse demagnetization PLC controls, makes the iron-removal rate more than 95% in former coal handling system, therefore
Barrier rate reduces 15%, and realizes power down automatic protection, overtemperature alarm（90℃）Etc. function, with reasonable in design, operation
Reliably, quick action, precision are high, strong antijamming capability, it is easy to maintenance the advantages of.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is driving running gear circuit diagram.
Fig. 3 is the circuit diagram of hopper valve.
Fig. 4 is the circuit diagram of excitation unit power circuit.
Fig. 5 is the circuit diagram that excitation unit controls circuit.
Fig. 6 is the circuit diagram of conveyer belt part.
Fig. 7 is the circuit diagram of obstacles removing car.
Fig. 8 is the circuit diagram of touch screen portion.
Embodiment
For the ease of understanding the utility model, the utility model is comprehensively described below with reference to relevant drawings.
Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can be embodied in many different forms, and
It is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made in disclosure of the present utility model
Hold more thorough comprehensive.
It should be noted that when an element be considered as with another element " being connected ", it can be it is direct with it is another
Individual element connection, or may be simultaneously present centering elements.
Unless otherwise defined, all technologies practical this paper and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment 1
Refer to Fig. 1 to Fig. 8, a kind of electromagnetism iron removal system of reverse demagnetization PLC controls, including middle control PLC parts, driving
Walk dragging system 1, hopper valve 3, excitation unit 5, safety device 9, sensor 15, conveyer belt part, touch screen portion 11,
Obstacles removing car 7 and RS232 communications.
Wherein, middle control PLC parts include main control computer, middle control cabinet, middle control PLC13 and PLC expansion modules 31.Middle control
PLC13 is mitsubishi FX2N 4_8MR series of PLC.PLC expansion modules 31 are FXDU_3A.
Middle control PLC13 with driving walking dragging system 1, hopper valve 3, excitation unit 5, obstacles removing car 7, safety with filling respectively
9, sensor 15, conveyer belt part is put with touch screen portion 11 to be connected.PLC expansion modules 31 are connected with conveyer belt part.
Specifically, middle control PLC include Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y10, Y11, Y12, Y13, Y14, Y15,
Y16, Y17, X1, X2, X3, X4 are inputted and delivery outlet.
As shown in Figure 4 and Figure 5, excitation unit 5 includes connected excitation unit power circuit and excitation unit control circuit.
Excitation unit power circuit includes battery charger and power supply circuit.Power supply circuit is used to supply to excitation unit control circuit
Electricity.Excitation unit control circuit includes suction control circuit, control feeding circuit, warning circuit and failure indicating circuit.
Specifically, battery charger includes rectified three-phase circuit, filter circuit and the protection circuit being sequentially connected, it is used for
Charge the battery.Middle control PLC Y10, Y11, Y12, Y13, Y14, Y15 is connected with excitation unit 5.
Specifically, excitation unit power circuit realizes the function of alternating current inversion of direct current electricity, while receiving excitation unit control
Circuit processed is acted.Excitation unit controls circuit using middle control PLC as core, coordinates relay to realize suction, blowing and battery
The control functions such as charging, power-off protection, also there is the circuit charge fault to indicate, have a power failure the functions such as alarm.
As shown in Fig. 2 driving walking dragging system 1 includes three fuses and two groups of drivings being connected with three fuses
Running gear.Every group of driving running gear includes threephase asynchronous, electrothermal relay and two ac contactors being sequentially connected
Device.Two A.C. contactors are in parallel and are connected with three fuses.
Specifically, four A.C. contactors of driving walking dragging system 1 are respectively KM5, KM6, KM7 and KM8.Middle control
PLC Y0, Y4, Y6, Y7 is connected with KM5, KM6, KM7 and KM8 respectively.
Specifically, two threephase asynchronouses, control strategy is implemented towards driving running gear.Walking motion of driving a vehicle has
Body is shown as advancing or retreated, and rotates and reverse realization with motor respectively, and two are each equipped with each driving running gear
Individual A.C. contactor, the control to realize the specific moving direction of iron removal system.
Wherein, hopper valve 3 includes stepper motor driver and the Switching Power Supply being connected.Stepper motor driver and middle control
PLC Y1 is connected with Y3.
Specifically, hopper valve 3 includes stepper motor driver and the Switching Power Supply being connected, controlled by middle control PLC Y1, Y3
System, is set by combining, and can meet the real needs of all working condition lower feed box valve operations.And this motor is also supported
Direction of rotation change operation, shown as during startup clock-wise fashion operation, such as mode to output have electricity when, then can realize the inverse time
Run in pin direction.
Wherein, safety device 9 includes limit switch and safety switch.Middle control PLC X1, X2, X3, X4 is filled with safety respectively
SQ1, SQ2, SQ3, the SQ4 put（That is limit switch and safety switch）It is connected.
Specifically, the setting of limit switch, specifically defines iron removal system trolley travelling scope.Such as device detection is found
Dolly in place when, then can send Regulate signal.In view of trolley travelling inertia and speed issue, possible feedback of the information is present really
When property deficiency problem, dolly still remains on direction walking.Based on this, it is necessary to carry out mechanical stop setting.
Wherein, sensor 15 includes metal detector, weight sensor and temperature sensor.Metal detector, weight are passed
X6, X7, the X10 of sensor and temperature sensor respectively with middle control PLC13 are connected, and realization is automatically controlled.
Wherein, conveyer belt part includes analog-digital converter, frequency converter 19, conveyer belt 17 and motor.Motor and conveyer belt 17
It is connected.Middle control PLC13 Y16, Y17 is connected by analog-digital converter with frequency converter 19.Frequency converter 19 is connected with conveyer belt 17.
PLC expansion modules 31 are connected with 2,5 interfaces of frequency converter 19.
Specifically, touch screen portion 11 includes Switching Power Supply and touch-screen.Touch-screen is connected with Switching Power Supply, middle control
PLC13 is connected by RS232 communications with touch-screen, it is allowed to carry out corresponding operating to complete control targe.This touch screen design side
Formula, without carrying out wiring setting etc., holistic cost is relatively low, and corresponding indicator lamp is configured with operation interface, can foundation
LED status grasps system running state.
Wherein, obstacles removing car 7 includes AC servo driver, and AC servo driver is connected with middle control PLC13 Y2 and Y5.
Specifically, by servo-driver after signal is detected, rotor performs rotation, such as signal is not present, then rotor meeting
Taper off operating.Based on input quantity parameter, it can occur respective change, you can to realize the accurate response of control signal.With
Power is object, takes the processing strategy such as conversion and regulation and control, convenient method is provided for drive device parameter management and control, and control is clever
Sensitivity is high, and reaction speed is fast.
It should be noted that：Frequency converter 19 is Mitsubishi's FR-700 frequency converters in the present embodiment, and conveyer belt 17 is belt.
Multiple fin being made up of permeability magnetic material are welded on the outer cover of iron removal system, radiating effect very well, makes iron removal system work
When temperature substantially reduce.
The utility model is mainly used in Coal Conveying System of Power Plant, mainly solves metal detection, automatically walk, automatic iron removing,
A series of problems, such as anti-magnetic blowing, power-failure protecting, safe and reliable, overtemperature alarm, so as to reach that Coal Conveying System of Power Plant electromagnetism is removed
The management control of iron system.
Operation principle and its course of work of the present utility model：
The utility model includes removing magnetic material process, demagnetization blowing process and power-failure protecting process.
1st, except magnetic material process：
Take three phase rectifier to add the method for DC voltage to realize after filtering, controlled by middle control PLC13 Y10 mouths.Need
When removing iron, in magnet exciting coil control circuit, as shown in Figures 3 to 5, whether just to first determine whether to be input voltage for alternating current
Often, completed in middle control PLC13 by X14 signal detections, when there is alternating current, the external AC detections normally closed switch of X14, which is in, to be disconnected
State, X14 no signals input, middle control PLC13 sends control instruction to Y10, and KA3 coils obtain electric, and the normally opened auxiliary switches of KA3 are closed
Close, KM3 coils obtain electric, the normally opened auxiliary switch closures of KM3 so that KM1 coils obtain electric；When without alternating current, system is enabled automatically
Battery-powered, middle control PLC13 sends control instruction to Y12.In magnet exciting coil power circuit, as shown in Figures 3 to 6, when
KM1 coils obtain electric, KM1 normally opened auxiliary switches closure, and three phase mains is rectified, be added to forward voltage to iron removal system after filtering
Magnet exciting coil, iron removal system starts suction.In circuit：RC series circuits in parallel mainly play the protective effect of AC coil, prevent
Only current break, burns out coil；KA1 monitors for alternating voltage；RV is linear resistance, preventing three phase rectifier electric current excessive and
Burn out rectification circuit；TR2 is phase-shift circuit, 30 degree of phase shift；KTC3 is the triggers circuit of three-phase controllable silicon rectification circuit, and TR2 is moved
The purpose of phase is exactly to produce trigger pulse in order to be able to more preferable, is easy to battery charging；FV1 and FV2 play batteries and filled
Constant pressure and constant current switching when electric.
2nd, demagnetization blowing process：
As shown in Figure 3 and Figure 4, demagnetization is carried out using the principle for applying opposing magnetic field, it is contemplated that magnet exciting coil is produced after being powered
Raw strong magnetic field has inertia, the magnetic saturation phenomenon after coil magnetizing occurs, also will not be even if iron removal system after power-off at once
When losing magnetism, lead to not normal blowing, therefore employing blowing herein plus backward voltage, make the excitation wire of iron removal system
Circle produces opposing magnetic field, instantaneously eliminates magnetic saturation, reaches the purpose of blowing.Detailed process：Put when except the iron time to, it is necessary to abandon electricity
During material, PLC resets Y10 delivery outlets first, it is contemplated that coil inductance voltage can not be mutated, so having to pass through after delay in several seconds again
Control instruction is sent to Y11, KA4 coils obtain electric, the normally opened auxiliary switch closures of KA4, KM2 coils obtain electric, in excitation unit power supply
In circuit, magnet exciting coil applies the excitation voltage opposite with KM1, and iron removal system starts blowing.
3rd, power-failure protecting process：
When three-phase mains voltage is normal, magnet exciting coil is batteries using power supply after source voltage commutation, filtering
Charging；When having a power failure, KA2 coil blackouts in excitation unit power circuit, excitation unit controls the normally closed auxiliary switches of KA2 in circuit
Restore, middle control PLC13 collects X15 signals, control instruction is sent at once to Y12, KA5 coils is obtained electric, the normally opened auxiliary of KA is opened
Close（Label 50）Closure, KM4 coils obtain electric, and the KM4 switches closure in excitation unit power circuit, batteries start to except iron
System magnet coils are powered.
Metal detection：Metal cog region is set on raw coal transportation rubber belt, equipped with 3 metal detectors, realized without dead
Angle, comprehensive detection, unification give middle control PLC13 signal and are controlled and manage.
Automatically walk：Middle control PLC13 automatically determines what iron removal system next step should walk according to each side integrated information
Target location.The dolly of executive plan task, sends control instruction, automatically towards target location traveling by middle control PLC13.
Anti- magnetic blowing：Demagnetization is carried out using the principle for applying opposing magnetic field, it is contemplated that it is strong that magnet exciting coil is produced after being powered
Big magnetic field has inertia, the magnetic saturation phenomenon after coil magnetizing occurs, and magnetic will not be also lost at once even if iron removal system after power-off
Property, leads to not normal blowing, therefore when employing blowing herein plus backward voltage, produces the magnet exciting coil of iron removal system
Opposing magnetic field, instantaneously eliminates magnetic saturation, reaches the purpose of blowing.
Overtemperature alarm：Disk type electromagnetic deironing apparatus uses self-cooled (or heat pipe-type) type of cooling, it is ensured that iron removal system connects
115 DEG C of maximum permissible temperature during continuous work.（The energy automatic alarm when iron removal system temperature is more than 90 DEG C, and stop after 10 minutes
Only remove iron（Signal report central control room）.
Each several part circuit structure and general principle
Iron removal system driving walking circuit：2 threephase asynchronouses are configured, control is implemented towards driving running gear 1
Strategy.Driving walking motion is embodied in advance or retreated, and rotates and reverse realization with motor respectively, each driving row
Walk to be each equipped with 2 A.C. contactors in part, the control to realize the specific moving direction of iron removal system.
The circuit design of hopper valve 3：For hopper valve 3, it shows as rotation status in operation, and angle is joined
Number has particular/special requirement, therefore, needing to pay close attention to its angle problem when from motor, therefore, have selected stepper motor.It is this
The concrete mode that motor angle is controlled is pulse, can be contacted, be adjusted with current value adjustment between pulse and angle by setting
Design parameter, such as speed parameter are adjusted, and can be specifically divided into 1,2,4,8,16,32,64,128, and current parameters, then specifically may be used
To be subdivided into 0.9,1.2,1.5,1.8,2.1,2.4,2.7,3..
The circuit design of excitation unit 5：The control of the whole circuit of iron removal system excitation unit 5 is by excitation unit power circuit and encourages
Magnetic device control circuit composition, excitation unit power circuit realizes the function of alternating current inversion of direct current electricity, while receiving control electricity
Road is acted；Excitation unit controls circuit using PLC as core, coordinates relay to realize suction, blowing and battery charging, break
The control functions such as electric protection, also there is the circuit charge fault to indicate, have a power failure the functions such as alarm.
Design conveyer belt part：Motor provides driving force, and to promote belt pulley to carry out rotation operation, belt movement then can be with
The material of carrying is transported to destination by mapping out a route.Its realization mechanism is relatively simple, but in high request working condition
Under, its travelling speed of material difference is also required to appropriate regulation.
Advantage and its advantage of the present utility model：
The electromagnetism iron removal system of reverse demagnetization PLC controls makes the iron-removal rate more than 95% in former coal handling system, fault rate
15% is reduced, and realizes power down automatic protection, overtemperature alarm（90℃）Etc. function, with reasonable in design, reliable,
Quick action, precision are high, strong antijamming capability, it is easy to maintenance the advantages of.
Embodiment described above only expresses a kind of embodiment of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of electromagnetism iron removal system of reverse demagnetization PLC controls, it is characterised in that dragged including middle control PLC parts, driving walking
Dynamic system, hopper valve, excitation unit, safety device, sensor, conveyer belt part, touch screen portion, obstacles removing car；
The middle control PLC parts include main control computer, middle control cabinet, middle control PLC and PLC expansion modules, and the middle control PLC is with dividing
Not with the driving walking dragging system, hopper valve, excitation unit, obstacles removing car, safety device, sensor, conveyer belt part
It is connected with touch screen portion, the PLC expansion modules are connected with the conveyer belt part；
The excitation unit includes connected excitation unit power circuit and excitation unit control circuit, the excitation unit power supply
Circuit and excitation unit control circuit are connected with the middle control PLC respectively；
The excitation unit power circuit includes battery charger and power supply circuit, and the power supply circuit is used for the excitation
Device control circuit is powered；
The battery charger includes rectified three-phase circuit, filter circuit and the protection circuit being sequentially connected, for battery
Charging；
The excitation unit control circuit includes suction control circuit, control feeding circuit, warning circuit and failure indicating circuit.
2. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that the driving row
Walking dragging system includes three fuses and two groups of driving running gears being connected with three fuses；
Every group of driving running gear includes threephase asynchronous, electrothermal relay and two A.C. contactors being sequentially connected, institute
State two A.C. contactors parallel connections and be connected with three fuses, each A.C. contactor and the middle control PLC
It is connected.
3. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that the hopper valve
Door includes stepper motor driver and the Switching Power Supply being connected, and the stepper motor driver is connected with the middle control PLC.
4. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that the safety dress
Put including limit switch and safety switch, the limit switch and safety switch are connected with the middle control PLC respectively.
5. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that the sensor
Including metal detector, weight sensor and temperature sensor, the metal detector, weight sensor and temperature sensor point
It is not connected with the middle control PLC, realization is automatically controlled.
6. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that the conveyer belt
Part includes analog-digital converter, frequency converter, conveyer belt and motor, and the motor is connected with conveyer belt, and the middle control PLC passes through institute
State analog-digital converter with the frequency converter to be connected, the frequency converter is connected with the conveyer belt, the PLC expansion modules with it is described
Frequency converter is connected.
7. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that the touch-screen
Part includes Switching Power Supply and touch-screen, and the touch-screen is connected with the Switching Power Supply and middle control PLC respectively.
8. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that the obstacles removing car
Including AC servo driver, the AC servo driver is connected with the middle control PLC.
9. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that the middle control PLC
For mitsubishi FX2N 4_8MR series of PLC, the PLC expansion modules are FXDU_3A.
10. the electromagnetism iron removal system of reverse demagnetization PLC controls according to claim 1, it is characterised in that described reversely to disappear
The electromagnetism iron removal system of magnetic PLC controls also includes RS232, and the touch-screen is connected by the RS232 with the middle control PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021778.XU CN206444729U (en) | 2017-01-10 | 2017-01-10 | The electromagnetism iron removal system of reverse demagnetization PLC controls |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720021778.XU CN206444729U (en) | 2017-01-10 | 2017-01-10 | The electromagnetism iron removal system of reverse demagnetization PLC controls |
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| CN206444729U true CN206444729U (en) | 2017-08-29 |
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| CN201720021778.XU Expired - Fee Related CN206444729U (en) | 2017-01-10 | 2017-01-10 | The electromagnetism iron removal system of reverse demagnetization PLC controls |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891889A (en) * | 2020-06-22 | 2020-11-06 | 共享铸钢有限公司 | Power control system of electromagnetic chuck of crane |
| CN113593808A (en) * | 2021-06-23 | 2021-11-02 | 华能(浙江)能源开发有限公司玉环分公司 | Excitation circuit of iron remover and excitation voltage control method |
-
2017
- 2017-01-10 CN CN201720021778.XU patent/CN206444729U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891889A (en) * | 2020-06-22 | 2020-11-06 | 共享铸钢有限公司 | Power control system of electromagnetic chuck of crane |
| CN111891889B (en) * | 2020-06-22 | 2022-09-06 | 共享铸钢有限公司 | Power control system of electromagnetic chuck of crane |
| CN113593808A (en) * | 2021-06-23 | 2021-11-02 | 华能(浙江)能源开发有限公司玉环分公司 | Excitation circuit of iron remover and excitation voltage control method |
| CN113593808B (en) * | 2021-06-23 | 2024-01-26 | 华能(浙江)能源开发有限公司玉环分公司 | Exciting circuit of iron remover and exciting voltage control method |
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