CN203243263U - Intelligent control system of high gradient de-ironing separator for cleaning conveyed material at port - Google Patents

Abstract

The utility model discloses an intelligent control system of a high gradient de-ironing separator for cleaning conveyed materials at port. The intelligent control system comprises a main loop and a control loop, wherein the main loop starts from a 380V AC power supply voltage, passes a circuit breaker QF1 and then is divided into three parts. An excitation part passes a circuit breaker QF2 and main contacts of an AC contactor KM1 and then reaches an intelligent thyristor module MOD1, and a DC voltage obtained by rectifying the intelligent thyristor module MOD1 is applied to an excitation coil YA1. A motor part is divided into three paths, which are a belt motor M1, an oil pump motor M2 and a fan motor M3, respectively. The excitation part of the intelligent control system realizes the combination of remote flux adjustment and field flux adjustment, and the magnitudes of an excitation current and an excitation voltage are displayed through a digital display instrument in real time. The whole control part is subjected to centralized control by a PLC, and satisfies the requirements of the de-ironing separator during the operation on port material conveying belts; and a touch screen can display various kinds of fault alarms, record the time and frequency of alarms and faults, accumulate workloads and perform real-time monitoring and simulation of the field working condition.

Description

The clean intelligence control system with the high gradient tramp iron separator of harbour convey materials

(1) technical field

The utility model belongs to the corollary apparatus of electric magnetic iron remover, is specifically related to a kind of intelligence control system of high gradient tramp iron separator.

(2) background technology

In recent years, the infrastructure scale at China harbour obviously enlarges, production capacity significantly strengthens, and the harbour convey materials is clean quantitatively to be on the increase at the harbour industry application with the high gradient tramp iron separator.This kind tramp iron separator is made of magnet exciting coil, belt motor, Oil pump electrical machinery and fan electromotor usually.Common tramp iron separator is difficult to realize Based Intelligent Control on the market.

(3) summary of the invention

The purpose of this utility model provides the clean intelligence control system with the high gradient tramp iron separator of a kind of harbour convey materials, excitation realizes that partly long-range adjustable magnetic and Field adjustment combine, whole control section is by PLC central authorities centralized control, satisfy the requirement of oil cooling tramp iron separator when harbour conveying belt is worked, but the operating state of Real Time Monitoring and simulated field.

The technical solution adopted in the utility model is: the convey materials clean high gradient tramp iron separator intelligence system of using in harbour is by on-the-spot 380V AC, be divided into three parts behind the 50HZ supply voltage process circuit breaker Q F1: excitation division lease making circuit breaker Q F2 is again by arriving intelligent thyristor module MOD1 behind the main contacts of A.C. contactor KM1, obtain DC excitation voltage by intelligent thyristor module MOD1 rectification, and this voltage is added on the magnet exciting coil YA1, realize the excitation of magnet exciting coil, exciting current value and exciting voltage value can accurately be shown by digital display meter.Motor partly is divided into three loops, is respectively belt motor M1, Oil pump electrical machinery M2, blower fan M3.The utility model excitation realizes that partly long-range adjustable magnetic and Field adjustment combine, and shows in real time the size of exciting current and exciting voltage by digital display meter.Whole control section is by PLC central authorities centralized control, Automatic Control is safe and reliable, satisfied the harbour convey materials clean with the requirement of high gradient tramp iron separator when harbour conveying belt is worked, and PLC sends into signal in the touch-screen, can coordinate to control A.C. contactor KM1, KM2, KM3, KM4 by the control touch-screen, finally realize the start and stop of excitation and the start and stop of belt motor, Oil pump electrical machinery and blower fan.In addition, touch-screen can also show the various fault alarms such as overtemperature alarm, belt deviation warning, oil starvation warning, undercurrent warning, and record is reported to the police and time, the number of times of fault, accumulation workload, the operating state of Real Time Monitoring and simulated field.Can design one to one according to client and on-the-spot demand, not need to change hardware, increase the reliability of control cubicle itself when saving cost and labour.

(4) description of drawings

Fig. 1 is main loop circuit schematic diagram of the present utility model;

Fig. 2 is control loop circuit theory diagrams of the present utility model;

Fig. 3 is temperature controller circuit theory diagrams of the present utility model.

(5) embodiment

Convey materials clean intelligence control system with the high gradient tramp iron separator in harbour comprises major loop and control loop, major loop is by on-the-spot 380VAC, be divided into three parts behind the 50HZ supply voltage process circuit breaker Q F1: excitation division lease making circuit breaker Q F2 is again by arriving intelligent thyristor module MOD1 behind the main contacts of A.C. contactor KM1, obtain DC excitation voltage by intelligent thyristor module MOD1 rectification, and this voltage is added on the magnet exciting coil YA1, realize the excitation of magnet exciting coil; Motor partly is divided into three loops, is respectively belt motor M1, Oil pump electrical machinery M2, blower fan M3.Be connected to digital display voltmeter PV1 at intelligent thyristor module MOD1 output, be in series with digital display ammeter PA1 in magnet exciting coil YA1 front.To the power supply of PLC controller, the normal opened contact of remote control signal, execute-in-place signal and collection control signal, button SB1, button SB2, auxiliary relay KA1, oil level signal, transducer SQ1, SQ2 and oil stream signal all access PLC controller input to control loop by transformer TC1 output 220V AC voltage; The PLC controller output end meets respectively A.C. contactor KM2, A.C. contactor KM3, A.C. contactor KM4 coil and alarm lamp YB1, alarm lamp YB2, alarm lamp YB3, alarm lamp YB4, and connecing auxiliary relay KA5 coil through the temperature controller circuit, PLC controller COM end connects A.C. contactor KM1 coil through the normal opened contact of auxiliary relay KA5.The temperature controller circuit is to meet temperature controller WKY by the 220V AC voltage that transformer TC1 exports through auxiliary relay KA1 coil, and 6 pin of temperature controller WKY connect the PLC controller output end, and 7 pin connect auxiliary relay KA5 coil.Transformer TC1 output 220V AC voltage connects Switching Power Supply, and Switching Power Supply output 24V direct voltage is to touch-screen CMP power supply, and the COM end of touch-screen CMP is connected by data wire with the COM end of PLC controller.When on touch-screen, the SA1 change over switch being got to the execute-in-place position, excitation start button SB1 effectively and magnet exciting coil temperature when not being higher than the ceiling temperature value that temperature controller sets, PLC control KA5 adhesive, and then KM1 adhesive realize the excitation of pole coil.When belt start button SB3 is effective, contactor KM2 adhesive, the running that iron belt is unloaded in control.And Oil pump electrical machinery, blower fan and excitation start simultaneously.As change over switch SA1 during in the remote control position, central station of floating dock opens, stops signal to PLC, the operation of control appliance magnet exciting coil and each motor.Limit switch SQ1 and SQ2 transmit the belt deviation signal to PLC, oil level switch transmits oil level signal to PLC, oil flow relay transmits oil stream signal to PLC, the thermocouple that inserts in temperature controller and the magnet exciting coil is used in conjunction with, transmit temperature signal to PLC, during abnormal, PLC exports belt deviation warning, oil starvation warning, undercurrent warning, overtemperature alarm or directly stops excitation.Simultaneously, touch-screen shows corresponding the warning, and energy record trouble type, time and number of times.Temperature controller WKY and the thermocouple coordinative role of inserting in the magnet exciting coil, when temperature arrived the design temperature of temperature controller, temperature controller passed to the PLC controller with signal, exports the overtemperature alarm signal in good time or even stops excitation actuating by the PLC controller.PLC controller of the present utility model is selected Omron CP1E-E40DR-A; Temperature controller WKY is XMT-122; Intelligent thyristor module MOD1 is MJYD-ZL.

Claims (5)

1. clean intelligence control system with the high gradient tramp iron separator of harbour convey materials, comprise major loop and control loop, it is characterized in that: be divided into two parts behind the major loop 380V AC power supplies voltage process circuit breaker Q F1: by arriving intelligent thyristor module MOD1 behind the main contacts of A.C. contactor KM1, the direct voltage that intelligent thyristor module MOD1 rectification obtains is added on the magnet exciting coil YA1 excitation division lease making circuit breaker Q F2 again; Motor partly is divided into three the tunnel, one the tunnel through circuit breaker Q F3 lace motor M 1 behind the main contacts by A.C. contactor KM2 and the thermal relay FR1 again, lead up to and meet Oil pump electrical machinery M2 behind the main contacts of A.C. contactor KM3 and the thermal relay FR2, lead up to and meet blower motor M3 behind the main contacts of A.C. contactor KM4 and the thermal relay FR3.

2. the clean intelligence control system with the high gradient tramp iron separator of harbour convey materials according to claim 1 is characterized in that: be connected to digital display voltmeter PV1 at intelligent thyristor module MOD1 output, be in series with digital display ammeter PA1 in magnet exciting coil YA1 front.

3. the clean intelligence control system with the high gradient tramp iron separator of harbour according to claim 1 convey materials, it is characterized in that: to the power supply of PLC controller, the normal opened contact of remote control signal, execute-in-place signal and collection control signal, button SB1, button SB2, auxiliary relay KA1, oil level signal, transducer SQ1, SQ2 and oil stream signal all access PLC controller input to control loop by transformer TC1 output 220V AC voltage; The PLC controller output end meets respectively A.C. contactor KM2, A.C. contactor KM3, A.C. contactor KM4 coil and alarm lamp YB1, alarm lamp YB2, alarm lamp YB3, alarm lamp YB4, and connecing auxiliary relay KA5 coil through the temperature controller circuit, PLC controller COM end connects A.C. contactor KM1 coil through the normal opened contact of auxiliary relay KA5.

4. the clean intelligence control system with the high gradient tramp iron separator of harbour according to claim 3 convey materials, it is characterized in that: the temperature controller circuit is to meet temperature controller WKY by the 220V AC voltage that transformer TC1 exports through auxiliary relay KA1 coil, 6 pin of temperature controller WKY connect the PLC controller output end, and 7 pin connect auxiliary relay KA5 coil.

5. the clean intelligence control system with the high gradient tramp iron separator of harbour according to claim 3 convey materials, it is characterized in that: transformer TC1 output 220V AC voltage connects Switching Power Supply, Switching Power Supply output 24V direct voltage is to touch-screen CMP power supply, and the COM end of touch-screen CMP is connected by data wire with the COM end of PLC controller.

Images