CN208328269U - The embedded multivoltage of High Speed Rapier Loom based on IGBT driving controls braking vane - Google Patents

Abstract

The utility model relates to a kind of embedded multivoltages of High Speed Rapier Loom based on IGBT driving to control braking vane, which includes brake control module and lower plywood control module；The brake control module includes microcontroller, input module, output module, bus module and sending and receiving data module；The lower plywood control module includes IGBT drive circuit, the first current rectifying and wave filtering circuit, the second current rectifying and wave filtering circuit, trimming circuit, switch transformer module, over-and under-voltage protection circuit, 5V voltage conversion circuit, surge-prevention soft starting circuit and 3.3V voltage conversion circuit；The microcontroller is connected by bus module and the input terminal of IGBT drive circuit；For receive the master of loom master control borad offer from, slowly connect with the output of loom master control borad from, the input module one end of latitude from the high-low pressure signal with brake.The braking vane makes high-low pressure conversion have certain buffering, and high-low pressure transition response speed is fast, controls reliable and stable, brake precision height to brake.

Description

The embedded multivoltage of High Speed Rapier Loom based on IGBT driving controls braking vane

Technical field

The utility model relates to textile technology fields, and in particular to a kind of being driven based on IGBT based on High Speed Rapier Loom The embedded multivoltage of High Speed Rapier Loom control braking vane.

Background technique

Rapier loom is the shuttleless loom being most widely used at present, it is in addition to shuttleless loom high speed, high automation Outside the characteristics of degree, high-effect production, positive filling insertion way has very strong varietal adaptation, adapts to drawing for all kinds of yarns Latitude, rapier loom also has apparent advantage in terms of polychrome weft weaving in addition, and the color that can produce up to 20 barry dyeing yarns is knitted Product, as shuttleless loom replaces fly-shuttle loom, rapier loom will become the main production machine of woven fabric.It was weaved in loom Cheng Zhong, the warp that breaks, artificially brake or since failure cause can all make caused by loom stop at staplings.If not can guarantee the steady of caused by loom stop Property, the angle that will lead to loom brake generates fluctuation, so that flaw occurs in fabric, loom driving next time can also become It is complicated.Caused by loom stop stationarity has the quality of fabric important influence.Loom is dead ship condition in running state conversion When need using brake, brake coil generates magnetic field, is attracted electromagnet-friction piece and generates brake force.In braking process such as Fruit only uses low pressure and is powered to brake coil, and the magnetic field of generation is insufficient to allow friction plate to be attracted, if only using high pressure to brake Coil is powered, and brake coil can be burnt because of overheat.Existing brake system provides two kinds of power supplys, Yi Zhonggao using transformer Voltage, a kind of low-voltage are maintained usually first using high pressure by bremsbelage quick pick-up using low pressure.Use height The method combined is pressed, realizes high-low voltage output by two kinds of power supply switchings, directly carrying out high-low pressure conversion causes voltage to be converted Amplitude is very big, causes parking position inaccuracy, clutch to generate larger shake when being attracted, it is possible to produce electric spark, not only shadow Fabric quality is rung, while safety not can guarantee.

Current existing brake system, since the relationship of brake necessarily leads to the beating-up force of last root weft yarn not when brake Enough, same principle, after clutch is attracted, due to there is the relationship of sliding friction, the speed of machine also has an accelerator, this Beating-up force of the kind accelerator when will lead to starting on microcosmic is inadequate；Reaction speed is slower in use, makes for a long time With being easy to happen the phenomenon not in place of braking, and the brake clutch service life also will receive influence.

Application No. is 201621415685.7 Chinese patents to disclose a kind of jacquard loom brake control circuit, control System uses the PWM voltage regulating module being made of 555 oscillating circuits to be adjusted voltage, but circuit can only finally obtain two kinds High voltage can not be adjusted in low-voltage signal, brake control circuit, and output voltage transition amplitude is big, cause parking position inaccurate Really, clutch can generate larger shake, influence fabric quality, while the patent does not have special power module to provide for each module D.C. regulated power supply makes system steady operation.

Utility model content

In view of the deficiencies of the prior art, the technical issues of the utility model intends to solve is to provide a kind of based on IGBT driving The embedded multivoltage of High Speed Rapier Loom control braking vane, the braking vane using independent design, be convenient for Operation and Maintenance, knot Structure is simple, braking vane can control complete it is main from, slowly from, latitude from the high-low pressure signal output with brake to make corresponding brake coil It works normally.The braking vane uses IGBT drive circuit, is modulated by pwm pulse, and when PWM exports high level, IGBT is led Logical, when PWM exports low level, IGBT is disconnected, i.e., IGBT on-off realizes that output voltage is adjusted, and can obtain more gentle voltage letter Number, maintain loom brake control system output HIGH voltage within the scope of 80V-170V, low-voltage maintains 12V-36V range Interior, so that high-low pressure conversion has certain buffering, high-low pressure transition response speed is fast, controls reliable and stable, brake to brake Precision is high.

The utility model solve the technical problem the technical solution adopted is that, provide it is a kind of based on IGBT driving high speed The embedded multivoltage of rapier loom controls braking vane, it is characterised in that the braking vane includes brake control module and lower plywood control Module；

The brake control module includes microcontroller, input module, output module, bus module and sending and receiving data mould Block；The lower plywood control module includes IGBT drive circuit, the first current rectifying and wave filtering circuit, the second current rectifying and wave filtering circuit, fine tuning Circuit, switch transformer module, over-and under-voltage protection circuit, 5V voltage conversion circuit, surge-prevention soft starting circuit and 3.3V electricity Voltage conversion circuit；

The microcontroller is connected by bus module and the input terminal of IGBT drive circuit；For receiving loom master control borad The master of offer from, slowly connect with the output of loom master control borad from, the input module one end of latitude from the high-low pressure signal with brake, it is defeated Enter the module other end to connect by optocoupler with microcontroller, if input has signal, it is bright to correspond to indicator light；The output module one End is connect with the input of loom master control borad, and one end is connect by optocoupler with microcontroller, if output has signal, corresponds to indicator light It is bright；The sending and receiving data module is bi-directionally connected with loom master control borad；

The IGBT drive circuit drives electricity from IGBT from IGBT drive circuit, slowly from IGBT drive circuit, latitude including main Road and brake IGBT drive circuit；The first current rectifying and wave filtering circuit input terminal is connect with external communication voltage output end, and first The output end of current rectifying and wave filtering circuit and the input terminal of switch transformer module connect；The over-and under-voltage protection circuit and switch become Depressor module carries out two-way communication；The output end of the switch transformer module is connect with the input terminal of 5V voltage conversion circuit； The output end of the 5V voltage conversion circuit respectively with 5V power supply chip on the input terminal of 3.3V voltage conversion circuit, braking vane Power pins connection；The power pins of 3.3V power supply chip connect on the output end and braking vane of the 3.3V voltage conversion circuit It connects, the chip being embodied as on braking vane provides 3.3V power supply；The master is from IGBT drive circuit, slowly from IGBT drive circuit, latitude Pass through surge-prevention soft starting circuit with the input terminal of brake IGBT drive circuit from IGBT drive circuit and connects the second rectification filter Wave circuit connection；The master is from IGBT drive circuit, slowly from IGBT drive circuit, latitude from IGBT drive circuit and brake IGBT The output end of driving circuit is connected with corresponding brake coil respectively；The second current rectifying and wave filtering circuit input terminal and outside The connection of 220V AC voltage output end；Described trimming circuit one end is connected by the output end of relay and the second current rectifying and wave filtering circuit It connects, the other end protects circuit to connect with microcontroller by diode clamp.

Compared with prior art, the utility model beneficial effect is:

(1) braking vane control is more intelligent, is designed using function modoularization, functional module from provided with processor, for The control signal of loom master control borad can voluntarily identify that judgement is handled, and then send corresponding control signal and realize accordingly Function.Loom master control borad exports different duty pwm signal by microcontroller, and by IGBT drive circuit, output phase is to steady Two kinds within the scope of voltage signal, microcontroller export compared with big space rate pwm signal, obtain gentle high-voltage signal so that brake Coil can generate braking in a short time, after the completion of brake when needing to keep braking state for a long time, loom master control borad By microcontroller output there is smaller duty ratio pwm signal accordingly, so that output voltage is kept lower value, realize braking vane Respectively in a certain range, i.e., voltage has certain the high-low pressure signal of control system output with adjustability, high-low pressure conversion Buffering, high-low pressure conversion speed are promoted, and are improved loom brake precision, are promoted brake control system quality.

(2) brake control module designs for independent, and sending and receiving data module receives and dispatches serial port using 75LBC184, anti-interference Property it is strong, can stablize realize telecommunication；Eight road bus modules use HCT245 chip, can be realized to different voltages, frequency Signal separately handle, do not interfere with each other, have good safety；Input module uses 6 tunnel Schmidt LVC14A, effectively eliminates Input disturbance.

(3) the special power module of loom braking vane Control System Design, by the second current rectifying and wave filtering circuit output be Operational amplifier chip provides 480V supply voltage, provides 24V supply voltage for opto-coupler chip, is each module chip of control system 3.3V, 5V, 12V supply voltage are provided, system steady operation is made, guarantees that each functional module maintains normal mode of operation.

(4) loom brake panel control system output voltage accuracy is high, designs special trimming circuit, filters to the second rectification Wave circuit output voltage is detected, and whether detectable voltage signals fluctuate, if the second current rectifying and wave filtering circuit output voltage and 480V It differs larger and then sends corresponding signal to loom microcontroller when i.e. voltage fluctuation is larger, the output of loom microcontroller is smaller Duty ratio；If current rectifying and wave filtering circuit output voltage differs smaller when i.e. voltage fluctuation is smaller with 480V, corresponding signal is transmitted Loom microcontroller is given, loom microcontroller exports smaller duty ratio, that is, realizes output high-accuracy voltage signal, promotes brake matter Amount.

(5) diode clamp is added in trimming circuit and protects circuit, so that the digital-to-analogue of microcontroller is converted input and output and draw Foot PC0 voltage clamping realizes the protective effect to microcontroller within the scope of 0-3.3V, in order to avoid burn microcontroller.

Detailed description of the invention

Fig. 1 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply the overall structure block diagram of example；

Fig. 2 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply the circuit diagram of an IGBT drive circuit；

Fig. 3 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply a circuit diagram for 5V voltage conversion circuit；

Fig. 4 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply a circuit diagram for 3.3V voltage conversion circuit；

Fig. 5 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply a circuit diagram for over-and under-voltage protection circuit；

Fig. 6 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply the circuit diagram of a switch transformer module；

Fig. 7 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply the circuit diagram of the trimming circuit 13 of example；

Fig. 8 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply the circuit diagram of the first current rectifying and wave filtering circuit of example；

Fig. 9 is the embedded multivoltage control a kind of reality of braking vane of High Speed Rapier Loom that the utility model is driven based on IGBT Apply the circuit diagram of the second current rectifying and wave filtering circuit of example；

In figure, 1, microcontroller；2, sending and receiving data module；3, input module；4, output module；5, bus module；6, One current rectifying and wave filtering circuit；7, switch transformer module；8, over-and under-voltage protects circuit；9,5V voltage conversion circuit；10, 3.3V Voltage conversion circuit；11, loom master control borad；12, IGBT drive circuit；1201, main from IGBT drive circuit；1202, slowly from IGBT drive circuit；1203, latitude is from IGBT drive circuit；1204, brake IGBT drive circuit；13, trimming circuit；14, second Current rectifying and wave filtering circuit.

Specific embodiment

The utility model is explained further below with reference to examples and drawings, but is not wanted in this, as to the application right Ask the restriction of protection scope.

The utility model controls braking vane based on the embedded multivoltage of High Speed Rapier Loom that IGBT drives, and is specific application And the Special braking plate designed, the microprocessor 1 are single-chip microcontroller；Braking vane will control complete it is main from, slowly from, latitude from and brake The output of high-low pressure signal to make corresponding brake coil work normally.

The utility model based on the embedded multivoltage control braking vane of High Speed Rapier Loom that IGBT drives (abbreviation system, Referring to Fig. 1) it include brake control module and lower plywood control module；

The brake control module includes microcontroller 1, input module 3, output module 4, bus module 5 and sending and receiving data Module 2；The lower plywood control module includes IGBT drive circuit 12, the first current rectifying and wave filtering circuit 6, the second current rectifying and wave filtering circuit 14, trimming circuit 13, switch transformer module 7, over-and under-voltage protection circuit 8,5V voltage conversion circuit 9 and 3.3V voltage turn Change circuit 10；

The microcontroller 1 is connect by bus module 5 with the input terminal of IGBT drive circuit；Described input module one end Connect with the output of loom master control borad 15, receive master that loom master control borad provides from, slowly from, latitude from the high-low pressure letter with brake Number, one end is connect by optocoupler with microcontroller 1, if input has signal, it is bright to correspond to indicator light；Described 4 one end of output module It is connect with the input of loom master control borad, one end is connect by optocoupler with microcontroller, if output has signal, corresponds to indicator light It is bright；The sending and receiving data module 2 is bi-directionally connected with loom master control borad；

The IGBT drive circuit 12 include it is main from IGBT drive circuit 1201, slowly from IGBT drive circuit 1202, latitude from IGBT drive circuit 1203 and brake IGBT drive circuit 1204；First current rectifying and wave filtering circuit, 6 input terminal and outside 220V Ac voltage output connection, the output end of the first current rectifying and wave filtering circuit 6 are connect with the input terminal of switch transformer module 7；Institute It states over-and under-voltage protection circuit 8 and switch transformer module 7 carries out two-way communication, form feedback；The switch transformer module 7 Output end connect with the input terminal of 5V voltage conversion circuit 9；The output end of the 5V voltage conversion circuit is electric with 3.3V respectively The power pins connection of the input terminal, braking vane 5V power supply chip of voltage conversion circuit 10；The 3.3V voltage conversion circuit it is defeated Outlet is connect with the power pins of braking vane 3.3V power supply chip, and the chip being embodied as on braking vane provides 3.3V power supply；It is described It is main to be driven from IGBT drive circuit 1201, slowly from IGBT drive circuit 1202, latitude from IGBT drive circuit 1203 and brake IGBT The input terminal of circuit 1204 is connect with 14 output end of the second current rectifying and wave filtering circuit；The master is from IGBT driving circuit 1201, slow From IGBT drive circuit 1202, latitude from IGBT drive circuit 1203 and brake IGBT drive circuit 1204 output end respectively with phase The brake coil connection answered；The second current rectifying and wave filtering circuit input terminal is connect with outside 380V ac voltage output；It is described 13 one end of trimming circuit is connect by relay with the output end of the second current rectifying and wave filtering circuit 14, and the other end passes through diode clamp Protection circuit is connect with microcontroller 1.

The master is the loom braking vane circuit of independent research from IGBT drive circuit 1201, main from IGBT for controlling Driving, circuit composition is (referring to fig. 2): opto-coupler chip TLP250 inputs negative pin IF- and (only three poles triode S8050 When the emitter T3.e of pipe S8050 is grounded and both microcontroller sending pwm pulse is set up, optocoupler TLP250 ability It plays a role, circuit where triode S8050 is cooperated with chip No. four differential comparator LM339, if microcontroller When low and high level input and output pin PC8 issues low level, T3.e ground connection, while microcontroller needs to issue PWM pulse, this Sample optocoupler TLP250 could be operated normally) emitter T3.e, resistance R2 connection, the resistance R2 other end and the one end resistance R3, light Coupling chip TL250 inputs positive pin IF+ connection, the resistance R3 other end pass through the 5th pin of contact pin J1 by bus module with knit Machine microcontroller 1 connects；Opto-coupler chip TLP250 power supply power supply pin VCC respectively with the one end resistance R1, the one end capacitor C2, electricity Hold the one end C3 to connect with diode D2 cathode, the resistance R1 other end and the one end capacitor C1, diode D1 cathode and the second rectification are filtered The rectifier bridge stack BR5010V- pin of wave circuit connects, the capacitor C1 other end, the capacitor C2 other end, the capacitor C3 other end and two The anode of pole pipe D1 is grounded, and the anode of diode D2 and the switch mode transformer 24V voltage output of switch transformer module are drawn Foot PIN7 connection is opto-coupler chip TL250 power supply by switch transformer module；Opto-coupler chip TLP250 voltage input pin Vo with Resistance R6 connection, the resistance R6 other end are connect with the grid Q1.G of one end of resistance R5, one end of capacitor C5, IGBTQ1, capacitor The emitter BR1.3 connection of the other end of C5, the other end of resistance R5 and IGBTQ1, the emitter of IGBTQ1 and the second rectification Rectifier bridge stack BR5010V- pin, the connection of the one end capacitor C4, the capacitor C4 other end and the diode D4 cathode, resistance of filter circuit The connection of the one end R4, the resistance R4 other end connect with the cathode of diode D3, the anode of diode D3, the anode of diode D4 and The collector Q1.C connection of IGBTQ1, IGBT collector are enclosed offline with loom master by contact pin and are connect；

It is described slowly from IGBT drive circuit 1202, latitude from IGBT drive circuit 1203 and brake IGBT drive circuit 1204 To issue varying input signal by loom microcontroller to control corresponding brake coil, slowly from IGBT drive circuit 1202, latitude from IGBT drive circuit 1203 and all original parts of IGBT drive circuit 1204 that brake are formed with structure referring to main electric from IGBT driving Road 1201.

The 5V voltage conversion circuit 9 is the loom braking vane circuit of independent research, realizes 5V voltage letter for controlling Number output, circuit composition is (referring to Fig. 3): switching power supply regulator chip LM2575T voltage input pin Vin and diode The switch mode transformer of D6 cathode, the one end capacitor C8, the connection of the one end capacitor C9, diode D6 anode and switch transformer module 12V voltage output pin PIN10 connection, capacitor C8, capacitor C9 other end ground connection, switching power supply regulator chip LM2575T electricity Pressure output pin output is connect with inductance L1, diode D5 cathode, diode D5 plus earth, the inductance L1 other end and capacitor C7, capacitor C6, switching power supply regulator chip LM2575T feedback input end pin feedback connection, switching power supply regulator Chip LM2575T feedback input end pin feedback provides 5v supply voltage by being connected as brake control module with contact pin, Capacitor C7, capacitor C6 other end ground connection, switching power supply regulator chip LM2575T common end pin common, control signal Pin On/off ground connection, switching power supply regulator chip LM2575T feedback input end pin and resistance R7, positive voltage voltage-stablizer core The connection of piece LM317T voltage input pin, the resistance R7 other end are connect with optocoupler EL817 collector, and optocoupler EL817 emitter connects Ground, optocoupler EL817 cathode are connect with the rectifier bridge stack BR5010 of the second current rectifying and wave filtering circuit exchange AC+ pin, optocoupler EL817 Anode is connect with resistance R8, and the resistance R8 other end is connect with diode D7 cathode, diode D7 anode and the second rectifying and wave-filtering electricity The rectifier bridge stack BR5010 exchange AC- pin connection on road.

The 3.3V voltage conversion circuit 10 is the loom braking vane circuit of independent research, realizes 3.3V electricity for controlling Signal output is pressed, circuit composition is (referring to fig. 4): positive voltage voltage regulator chip LM317T voltage input pin Vin passes through electricity Sense L1 is connect with the switching power supply regulator chip LM2575T voltage output pin in 5V voltage conversion circuit 9, receives 5V electricity Signal is pressed, positive voltage voltage regulator chip LM317T voltage adjustment pin Vaj is connect with capacitor C10, resistance R9, resistance R10, electricity Hold C10, resistance R10 other end ground connection, the resistance R9 other end and positive voltage voltage regulator chip LM317T voltage output pin Vout Connection, positive voltage voltage regulator chip LM317T voltage output pin simultaneously with the one end resistance R11, the one end capacitor C11, capacitor C12 One end, over-and under-voltage protection circuit 8 connect, and the resistance R11 other end is connect with the anode of light emitting diode L, light emitting diode L's Cathode, the capacitor C11 other end, the capacitor C12 other end are grounded, and positive voltage voltage regulator chip LM317T voltage output pin passes through Brake control module is connected as with respective pins, and 3.3V supply voltage is provided.

The over-and under-voltage protection circuit 8 is the loom braking vane circuit of independent research, realizes that circuit is protected for controlling Protective function, circuit composition is (referring to Fig. 5): PWM controller UC3845BN voltage input Vi pin and capacitor C18, capacitor C19 Connection, capacitor C18, capacitor C19 other end ground connection, PWM controller UC3845BN error amplifier Comp pin and optocoupler EL817 Collector Coll, capacitor C14, resistance R19 connection, capacitor C14 other end ground connection, optocoupler EL817 cathode Cath and controllable accurate The connection of source of stable pressure TL431 cathode, optocoupler EL817 emitter E mit ground connection, optocoupler EL817 anode A no are connect with resistance R15, electricity The resistance R15 other end is connect with resistance R16, the resistance R16 other end and controllable accurate source of stable pressure TL431 sampling end pin Ref, resistance R17, resistance R14 connection, the resistance R17 other end are connect by capacitor C13 with controllable accurate source of stable pressure TL431 cathode Cathode, Resistance R14 other end ground connection, the resistance R19 other end and resistance R18, capacitor C17, PWM controller UC3845BN are with reference to output The connection of Vref pin, the resistance R18 other end are connect with the Rt/Ct pin of PWM controller UC3845BN, PWM controller The Rt/Ct pin of UC3845BN is grounded by capacitor C16, and capacitor C17 other end ground connection, PWM controller UC3845BN feeds back Vfb Pin ground connection, PWM controller UC3845BN current amplifier input terminal Isense pin and capacitor C15, resistance R20, resistance R21 connection, capacitor C15 other end ground connection, the resistance R20 other end and N-channel field-effect tube K2717 source lead Source connect It connects, N-channel field-effect tube K2717 source lead is grounded by resistance R25, the resistance R21 other end and PWM controller UC3845BN Output pin Out connection, PWM controller UC3845BN output pin are connect with resistance R23, diode D8 cathode, resistance R23 The other end is connect with resistance R22, resistance R24, diode D8 anode, resistance R22 other end ground connection, the resistance R24 other end and N ditch Road field-effect tube K2717 grid G ate connection, N-channel field-effect tube K2717 drain electrode and the switching regulator of switch transformer module become The PIN2 connection of depressor grounding pin.

The switch transformer module 7 is the loom braking vane circuit of independent research, realizes power supply conversion for controlling Function obtains 12V, 24V voltage signal as chip power supply, and circuit composition is (referring to Fig. 6): switch mode transformer TRAN 260V DC voltage input pin PIN1 receives the first current rectifying and wave filtering circuit output 220V d. c. voltage signal, switch mode transformer 260V DC voltage input pin PIN1 and resistance R26, the RCD absorbing circuit that is formed of capacitor C20, diode D9 connect, together When connect with resistance R27, capacitor C21；The grounding pin PIN2 connection of the RCD absorbing circuit other end and switch mode transformer, electricity The resistance R27 other end is connect with resistance R28, the PWM controller in the resistance R28 other end and over-and under-voltage protection circuit 8 The Vi connection of UC3845BN voltage input pin, capacitor C21 other end ground connection, the grounding pin PIN2 and capacitor of switch mode transformer C23 connection, the capacitor C23 other end are connect with resistance R29, diode D12 anode, the resistance R29 other end, diode D12 cathode Ground connection；The 12V voltage output pin PIN10 of switch mode transformer passes through the diode D6 and switch in 5V voltage conversion circuit 9 The connection of power regulator chip LM2575T voltage input pin, provides 12V power supply for switching power supply regulator chip LM2575T Voltage, the 24V voltage output pin PIN7 of switch mode transformer by the main diode D2 from IGBT drive circuit 1201 and The connection of optocoupler ELP250 voltage input pin, provides supply voltage for optocoupler ELP250；The pin of switch mode transformer TRAN PIN5, pin PIN6, pin PIN9 are grounded.

The trimming circuit 13 is the loom braking vane circuit of independent research, realizes that detectable voltage signals are for controlling No fluctuation, and voltage detecting information is passed into microprocessor, realize voltage output precision, circuit composition is (referring to Fig. 7): The VDD1 pin of the isolated amplifier AMC1200 is connect with capacitor C32, capacitor C35, triode T1 emitter, capacitor C32, Capacitor C35 other end ground connection, triode T1 collector are connect with capacitor C33, capacitor C34, capacitor C33, capacitor C34, pole pipe T1 Base earth；The VINP pin of isolated amplifier AMC1200 is connect with capacitor C31, resistance R34, capacitor C31 other end ground connection, The resistance R34 other end is connect with resistance R35, the resistance R35 other end ground connection, the VINN pin of isolated amplifier AMC1200 and GND1 pin ground connection；The GND2 pin of isolated amplifier AMC1200 passes through the VDD2 of capacitor C30 and isolated amplifier AMC1200 Pin connection, the VOUTP pin of isolated amplifier AMC1200 pass through the In4+ of resistance R33 and operational amplifier chip TL074C Pin connection, the Vcc+ pin of operational amplifier chip TL074C are grounded by capacitor C29, operational amplifier chip TL074C Vcc- pin be grounded by capacitor C26, the In4+ pin of operational amplifier chip TL074C and resistance R32, capacitor C28 connect Connect, resistance R32, capacitor C28 other end ground connection, the In4- pin of operational amplifier chip TL074C and resistance R30, resistance R31, Capacitor C27 connection, resistance R30, the capacitor C27 other end are connect with the Out4 pin of operational amplifier chip TL074C, resistance R31 The other end is connect with the VOUTN pin of isolated amplifier AMC1200, the Out4 pin of operational amplifier chip TL074C and two The Out4 pin of the connection of pole pipe clamping protective circuit, operational amplifier chip TL074C passes through resistance R36 and braking vane microcontroller The digital-to-analogue of device converts input and output pin PC0, diode D16 cathode, capacitor C36 connection, and diode D16 anode, capacitor C36 are another One end ground connection.

The diode clamp protection circuit includes diode D14 and diode D15, and diode D14 cathode and 3.3V are electric The positive voltage voltage regulator chip LM317T output pin of voltage conversion circuit 10 connects, and diode D14 anode and diode D15 are negative The Out4 pin connection of pole, resistance R38, operational amplifier chip TL074C, diode D15 plus earth, resistance R38 are another It holds and is connect with the digital-to-analogue of microcontroller conversion input and output pin PC0, diode clamp protection circuit makes the digital-to-analogue of microcontroller The voltage clamping of input and output pin PC0 is converted within the scope of 0-3.3V, realizes the protective effect to microcontroller, in order to avoid burn Microcontroller.

First current rectifying and wave filtering circuit 6 is the loom braking vane circuit of independent research, realizes rectification filter for controlling Wave energy converts 260V direct voltage output to switch transformer module for 220V AC voltage signal, and circuit composition is (referring to Fig. 8): the 260V DC voltage of the switch mode transformer of the V+ pin and switch transformer module of the rectifier bridge RS407 Input pin PIN1 connection, the V- pin ground connection of rectifier bridge RS407, the AC- pin of rectifier bridge RS407 and connecting terminal DZ1 the Two pins, thermistor MOV1, capacitor C43 connection, the thermistor MOV1 other end are connect with capacitor C44, the capacitor C43 other end It is connect with the capacitor C44 other end, the first pin of connecting terminal DZ1, the AC+ pin and connecting terminal DZ1 third of rectifier bridge RS407 The first pin of connecting terminal DZ3 connection of pin, the second current rectifying and wave filtering circuit, connecting terminal DZ1 third pin and external communication The connection of three-phase electricity firewire, connecting terminal DZ1 second pin are connect with the zero curve of external communication three-phase electricity, connecting terminal DZ1 first Pin is connect with external communication three-phase electricity ground wire, the switching regulator transformation of resistance R39, the one end capacitor C42 and switch transformer module The 260V DC voltage input pin PIN1 connection of device, resistance R39, the capacitor C42 other end are connect with diode D17 cathode, and two The grounding pin PIN2 connection of the switch mode transformer of pole pipe D17 anode and switch transformer module, resistance R39, capacitor C42, Diode D17 forms the filter function that RCD absorbing circuit realizes the first current rectifying and wave filtering circuit.

Second current rectifying and wave filtering circuit 14 is the loom braking vane circuit of independent research, realizes rectification filter for controlling Wave energy converts 480V direct voltage output to trimming circuit for 380V ac voltage signal, and circuit composition is (referring to figure 9): the one end resistance R38 is connect with the V+ pin of rectifier bridge stack BR5010, and the resistance R38 other end is connect with resistance R37, resistance VINP pin, the normally opened pin of relay K1, capacitor C37- of the isolated amplifier AMC1200 of the R37 other end and trimming circuit The connection of the one end C41, the capacitor C37-C41 other end are connect with the V- pin of rectifier bridge stack BR5010, resistance R37, R38, capacitor C37-C41 collectively forms the filter function that filter circuit realizes the second current rectifying and wave filtering circuit, the V+ pin of rectifier bridge stack BR5010 It being connect with the common end relay K1 pin, the BR1.2 pin of rectifier bridge stack BR5010 is connect with the zero curve of external communication three-phase electricity, The BR1.4 pin of rectifier bridge stack BR5010 is connect by fuse F1 with connecting terminal DZ3 second pin, connecting terminal DZ3 the Two pins are connect with another firewire of external communication three-phase electricity.

The course of work of the utility model control system control loom braking vane is:

It turns on the power switch, is powered on to braking vane, including 380V voltage and 220V voltage.The braking vane course of work is as follows, 220V voltage segment, 220V alternating current becomes 260V direct current by the first current rectifying and wave filtering circuit, by switch transformer module 7 12V, 24V, voltage signal are obtained as chip power supply, then 5V, 3.3V voltage are obtained respectively by power-switching circuit, thus real It is now chip used for 3.3V, 5V, 12V, 24V and 480V power supply for braking vane；380V alternating current passes through the second current rectifying and wave filtering circuit Become direct current 480V, optocoupler is acted on by single-chip microcontroller output pwm pulse, the on-off by controlling IGBT makes output voltage can It controls, according to the size for adjusting PWM duty cycle and then control output voltage, while by trimming circuit to by the second rectifying and wave-filtering The direct current of circuit output carries out voltage detecting, amplifies by the dual-stage amplifier of trimming circuit 13, amplified signal is input to Single-chip microcontroller handles amplified signal by software, reaches and then the duty ratio of the pwm pulse to output is adjusted The more stable effect of output voltage, keeps output voltage more steady, complete it is main from, slowly from, latitude from the high-low pressure letter with brake Number output is to make corresponding brake coil work normally.

Component involved in the utility model can be commercially available, and such as microcontroller is STM32F103 core Piece can reduce economic cost on the basis of meeting braking vane brake function.

The utility model does not address place and is suitable for the prior art.

Claims (6)

1. a kind of embedded multivoltage of High Speed Rapier Loom based on IGBT driving controls braking vane, it is characterised in that the braking vane Including brake control module and lower plywood control module；

The brake control module includes microcontroller, input module, output module, bus module and sending and receiving data module；Institute State lower plywood control module include IGBT drive circuit, the first current rectifying and wave filtering circuit, the second current rectifying and wave filtering circuit, trimming circuit, Switch transformer module, over-and under-voltage protection circuit, 5V voltage conversion circuit, surge-prevention soft starting circuit and the conversion of 3.3V voltage Circuit；

The microcontroller is connected by bus module and the input terminal of IGBT drive circuit；It is provided for receiving loom master control borad Master from, slowly connect with the output of loom master control borad from, the input module one end of latitude from the high-low pressure signal with brake, input mould The block other end is connect by optocoupler with microcontroller；Described output module one end is connect with the input of loom master control borad, and one end is logical Optocoupler is crossed to connect with microcontroller；The sending and receiving data module is bi-directionally connected with loom master control borad；

The IGBT drive circuit include it is main from IGBT drive circuit, slowly from IGBT drive circuit, latitude from IGBT drive circuit and Brake IGBT drive circuit；The first current rectifying and wave filtering circuit input terminal is connect with external communication voltage output end, the first rectification The output end of filter circuit and the input terminal of switch transformer module connect；The over-and under-voltage protection circuit and switch transformer Module carries out two-way communication；The output end of the switch transformer module is connect with the input terminal of 5V voltage conversion circuit；It is described The output end of 5V voltage conversion circuit is connect with the input terminal of 3.3V voltage conversion circuit respectively；The master drives electricity from IGBT To pass through Anti-surging soft for road, the slowly input terminal from IGBT drive circuit, latitude from IGBT drive circuit and IGBT drive circuit of braking Start-up circuit connects the connection of the second current rectifying and wave filtering circuit；The master from IGBT drive circuit, slowly from IGBT drive circuit, latitude from The output end of IGBT drive circuit and IGBT drive circuit of braking is connected with corresponding brake coil respectively；The second rectification filter Wave circuit input terminal is connect with external 220V AC voltage output end；Described trimming circuit one end passes through relay and the second rectification The output end of filter circuit connects, and the other end is connect with microcontroller.

2. the High Speed Rapier Loom embedded multivoltage according to claim 1 based on IGBT driving controls braking vane, Be characterized in that the master is from the circuit of IGBT drive circuit composition: opto-coupler chip TLP250 inputs negative pin IF- and triode The emitter T3.e of S8050, resistance R2 connection, the resistance R2 other end and the one end resistance R3, opto-coupler chip TL250 input positive pin IF+ connection, the resistance R3 other end are connect by bus module with loom microcontroller by contact pin J1；Opto-coupler chip TLP250 power supply Energization pins VCC is connect with the one end resistance R1, the one end capacitor C2, the one end capacitor C3 and diode D2 cathode respectively, and resistance R1 is another One end is connect with the one end capacitor C1, diode D1 cathode and the second current rectifying and wave filtering circuit, and the capacitor C1 other end, capacitor C2 are another The anode at end, the capacitor C3 other end and diode D1 is grounded, and the anode of diode D2 is connect with switch transformer module, by opening Transformer module is closed as opto-coupler chip TL250 power supply；Opto-coupler chip TLP250 voltage input pin Vo is connect with resistance R6, resistance The R6 other end is connect with the grid Q1.G of one end of resistance R5, one end of capacitor C5, IGBTQ1, the other end, the resistance of capacitor C5 The emitter BR1.3 connection of the other end and IGBTQ1 of R5, the emitter of IGBTQ1 and the second current rectifying and wave filtering circuit, capacitor C4 mono- End connection, the capacitor C4 other end are connect with diode D4 cathode, the one end resistance R4, the cathode of the resistance R4 other end and diode D3 Connection, the collector Q1.C connection of the anode of diode D3, the anode of diode D4 and IGBTQ1, IGBT collector pass through contact pin It encloses and connect offline with loom master.

3. the High Speed Rapier Loom embedded multivoltage according to claim 1 based on IGBT driving controls braking vane, Being characterized in that the circuit composition of the over-and under-voltage protection circuit is: PWM controller UC3845BN voltage input Vi pin and electricity Hold C18, capacitor C19 connection, capacitor C18, capacitor C19 other end ground connection, PWM controller UC3845BN error amplifier Comp draws Foot is connect with optocoupler EL817 collector Coll, capacitor C14, resistance R19, capacitor C14 other end ground connection, optocoupler EL817 cathode Cath is connect with controllable accurate source of stable pressure TL431 cathode, optocoupler EL817 emitter E mit ground connection, optocoupler EL817 anode A no with Resistance R15 connection, the resistance R15 other end are connect with resistance R16, and the resistance R16 other end and controllable accurate source of stable pressure TL431 are sampled Pin Ref, resistance R17, resistance R14 connection are held, the resistance R17 other end passes through capacitor C13 and controllable accurate source of stable pressure TL431 yin Pole Cathode connection, resistance R14 other end ground connection, the resistance R19 other end and resistance R18, capacitor C17, PWM controller UC3845BN is connect with reference to output Vref pin connection, the resistance R18 other end with the Rt/Ct pin of PWM controller UC3845BN, The Rt/Ct pin of PWM controller UC3845BN is grounded by capacitor C16, capacitor C17 other end ground connection, PWM controller UC3845BN feedback Vfb pin ground connection, PWM controller UC3845BN current amplifier input terminal Isense pin and capacitor C15, Resistance R20, resistance R21 connection, capacitor C15 other end ground connection, the resistance R20 other end draw with N-channel field-effect tube K2717 source electrode Foot Source connection, N-channel field-effect tube K2717 source lead are grounded by resistance R25, and the resistance R21 other end and PWM are controlled Device UC3845BN output pin Out connection, PWM controller UC3845BN output pin and resistance R23, diode D8 cathode connect It connects, the resistance R23 other end is connect with resistance R22, resistance R24, diode D8 anode, resistance R22 other end ground connection, resistance R24 The other end is connect with N-channel field-effect tube K2717 grid G ate, N-channel field-effect tube K2717 drain electrode and switch transformer module Connection.

4. the High Speed Rapier Loom embedded multivoltage according to claim 3 based on IGBT driving controls braking vane, Being characterized in that the circuit composition of the switch transformer module is: the 260V DC voltage input pin of switch mode transformer TRAN PIN1 receives the first current rectifying and wave filtering circuit output 220V d. c. voltage signal, and the 260V DC voltage input of switch mode transformer is drawn Foot PIN1 is connect with resistance R26, capacitor C20, diode D9 the RCD absorbing circuit formed, while being connected with resistance R27, capacitor C21 It connects；The grounding pin PIN2 connection of the RCD absorbing circuit other end and switch mode transformer, the resistance R27 other end and resistance R28 connect It connects, the resistance R28 other end is connect with the PWM controller UC3845BN voltage input pin Vi in over-and under-voltage protection circuit, electricity Hold C21 other end ground connection, the grounding pin PIN2 of switch mode transformer is connect with capacitor C23, the capacitor C23 other end and resistance R29, the connection of diode D12 anode, the resistance R29 other end, diode D12 cathode ground connection；The 12V voltage of switch mode transformer is defeated Pin PIN10 is connect by 5V voltage conversion circuit with switching power supply regulator chip LM2575T voltage input pin out, to open Powered-down source voltage regulator chip LM2575T provides 12V supply voltage, and the 24V voltage output pin PIN7 of switch mode transformer passes through It is main to be connect from IGBT drive circuit with optocoupler ELP250 voltage input pin, supply voltage is provided for optocoupler ELP250.

5. the High Speed Rapier Loom embedded multivoltage according to claim 1 based on IGBT driving controls braking vane, Being characterized in that the circuit of the trimming circuit is constituted is: the VDD1 pin and capacitor C32, capacitor of isolated amplifier AMC1200 C35, the connection of triode T1 emitter, capacitor C32, capacitor C35 other end ground connection, triode T1 collector and capacitor C33, capacitor C34 connection, capacitor C33, capacitor C34, pole pipe T1 base earth；The VINP pin and capacitor C31 of isolated amplifier AMC1200, Resistance R34 connection, capacitor C31 other end ground connection, the resistance R34 other end are connect with resistance R35, resistance R35 other end ground connection, every VINN pin and GND1 pin ground connection from amplifier AMC1200；The GND2 pin of isolated amplifier AMC1200 passes through capacitor C30 is connect with the VDD2 pin of isolated amplifier AMC1200, and the VOUTP pin of isolated amplifier AMC1200 passes through resistance R33 It is connect with the In4+ pin of operational amplifier chip TL074C, the Vcc+ pin of operational amplifier chip TL074C passes through capacitor C29 ground connection, the Vcc- pin of operational amplifier chip TL074C are grounded by capacitor C26, operational amplifier chip TL074C's In4+ pin is connect with resistance R32, capacitor C28, resistance R32, capacitor C28 other end ground connection, operational amplifier chip TL074C In4- pin connect with resistance R30, resistance R31, capacitor C27, resistance R30, the capacitor C27 other end and operational amplifier chip The Out4 pin of TL074C connects, and the resistance R31 other end is connect with the VOUTN pin of isolated amplifier AMC1200, operation amplifier The Out4 pin and diode clamp of device chip TL074C protects circuit connection, the Out4 pin of operational amplifier chip TL074C Input and output pin PC0, diode D16 cathode, capacitor C36 is converted by the digital-to-analogue of resistance R36 and braking vane microcontroller to connect It connects, diode D16 anode, capacitor C36 other end ground connection.

6. the High Speed Rapier Loom embedded multivoltage according to claim 5 based on IGBT driving controls braking vane, It is characterized in that the diode clamp protection circuit includes diode D14 and diode D15, diode D14 cathode and 3.3V are electric The output pin of voltage conversion circuit connects, diode D14 anode and diode D15 cathode, resistance R38, operational amplifier chip The Out4 pin of TL074C connects, diode D15 plus earth, and the digital-to-analogue of the resistance R38 other end and microcontroller, which converts, to be inputted Output pin PC0 connection, diode clamp protection circuit make the voltage clamp of the digital-to-analogue conversion input and output pin PC0 of microcontroller Position is within the scope of 0-3.3V.