CN105958840A - Electrophoresis power supply equipment - Google Patents
Electrophoresis power supply equipment Download PDFInfo
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- CN105958840A CN105958840A CN201610455898.0A CN201610455898A CN105958840A CN 105958840 A CN105958840 A CN 105958840A CN 201610455898 A CN201610455898 A CN 201610455898A CN 105958840 A CN105958840 A CN 105958840A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1203—Circuits independent of the type of conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses electrophoresis power supply equipment, which mainly comprises a PLC controller, a main circuit, an AC power supply control circuit, a data collecting and amplifying circuit and an electric cabinet door surface, wherein the PLC controller is connected with the main circuit, the AC power supply control circuit, the data collecting and amplifying circuit and the electric cabinet door surface separately; the main circuit comprises a three-phase full-wave rectifier circuit, a filter circuit, a full-bridge inverter circuit, a high-frequency power transformer and a rectifier and filter output circuit; and an IGBT switching device is adopted by the full-bridge inverter circuit. The pollution of an electrophoresis power supply to power grid harmonics in the prior art can be overcome; the control accuracy is improved; the output ranges of voltage and current are increased; and meanwhile, automatic or manual adjustment on the temperature or the argon flow is achieved through the PLC controller, so that the control accuracy of a three-dimensional electric field control electrophoresis boron and phosphorus removal process is improved.
Description
Technical field
The present invention relates to three-dimensional electric field control electrophoresis and remove boron dephosphorization technical field, in particular it relates to a kind of electrophoresis power sets
Standby.
Background technology
It is one of flow process important in Gao Shi silicon process that three-dimensional electric field control electrophoresis to remove boron dephosphorization technique, and the degree of depth is controllably removed
Boron, fall phosphorus are the most important to the quality guarantee of ingot casting polycrystalline silicon material.Accurate control electric field and temperature field thereof, make impurity in silicon liquid
Move by motion path suitable convection current in crucible of simulation, by implementing DC electric field, extract respectively and separate at period of element
Phosphorus and the boron of silicon both sides it is positioned in table.Fall liquid-state silicon being loaded has in the purification bag of electric field, by added electric field implement to reduce boron,
The technological process of phosphorus, fine adjustment vector electric field intensity, control the temperature purifying the interior silicon water of bag to coordinate except boron fall phosphorus operation
Stably complete.Flow process uses frequency conversion trivector electromagnetic field to coordinate with accurate controllable temperature field, makes the boron in silicon, phosphorus impurities change
Depart from liquid-state silicon after form, reach except boron, the purpose of fall phosphorus.
During realizing the present invention, inventor finds that in prior art, electrophoresis power equipment exists mains by harmonics
Polluting, in prior art, electrophoresis power equipment is very poor to the precision controlling of temperature simultaneously, thus can not reach corresponding power, causes
The defects such as technique is the most up to standard.
Summary of the invention
It is an object of the invention to, for the problems referred to above, propose a kind of electrophoresis power equipment, to realize improving temperature control
Precision, reduces the pollution to mains by harmonics, the advantage improving power factor.
For achieving the above object, the technical solution used in the present invention is: a kind of electrophoresis power equipment, specifically includes that and includes
PLC, main circuit, alternating-current power control circuit, data acquisition amplifying circuit and electric cabinet door face, described PLC is divided
Not being connected with main circuit, alternating-current power control circuit, data acquisition circuit and electric cabinet door face, described main circuit includes three-phase full-wave
Rectification circuit, filter circuit, full bridge inverter, high-frequency power transformer and rectifying and wave-filtering output circuit, described full-bridge inverting
Circuit uses IGBT switching device；
380V alternating current is by obtaining high voltage direct current after three-phase full wave rectifier circuit and filter circuit, and described high voltage direct current leads to
Crossing full bridge inverter inversion is high-frequency alternating current, after through high-frequency power transformer, high pressure is become low pressure, finally by whole
Stream output circuit output unidirectional current, for load, data acquisition amplifying circuit collecting temperature and argon flow amount signal, will gather
After signal pass to PLC, PLC according to the temperature curve pre-set and argon flow amount setting value to temperature
It is adjusted with argon flow amount.
Further, described main circuit is specifically, U phase power supply is connected to transformation after overcurrent fuse FU1 and catalyst KM1
First connection end of device T5 primary side and the first connection end of transformator T6；V phase power supply is through overcurrent fuse FU2 and catalyst KM2
After be connected to transformator T5 primary side second connection end and transformator T6 second connection end, transformator T5 secondary side outfan
Respectively 16V, 0V and the 16V with panel TL494 be connected end connect, the secondary side outfan of transformator T6 respectively with panel
22V, 0V and 22V of TL494 connects end and connects；W phase power supply after overcurrent fuse FU3 and catalyst KM3 with the 380V of panel
Connect end to connect；
The series arm being made up of diode D1 and diode D2, the series arm being made up of diode D3 and diode D5, by
After series arm, electric capacity C1 and the electric capacity C2 of diode D4 and diode D6 composition composes in parallel five parallel branches, one end is divided
It is not connected with the colelctor electrode of IGBT1 IGCT colelctor electrode and IGBT3 IGCT, the series connection being made up of diode D1 and diode D2
Branch road, the series arm being made up of diode D3 and diode D5, the series arm being made up of diode D4 and diode D6, electricity
Hold the other end after C1 and electric capacity C2 composes in parallel five parallel branches to be connected with the outfan E4 of panel TL494；Two poles
Node between pipe D1 and diode D2 is connected end and connects with the 380V of panel TL494；Between diode D3 and diode D5
Node with second be connected end and transformator T6 primary side second connects end and connects with transformator T5 primary side respectively；Diode
Node between D4 and diode D5 first is connected end and the first of transformator T6 primary side with transformator T5 primary side respectively
Connect end to connect；
IGCT IGBT1 gate pole is connected end and connects with the G1 of panel TL494, the emitter stage of IGCT IGBT1 and IGCT
The colelctor electrode of IGBT2 connects, and the emitter stage of IGCT IGBT2 is connected with the input E2 of panel TL494；IGCT IGBT3
Gate pole be connected with the G3 of panel TL494 end connect, the emitter stage of IGCT IGBT3 and the collector terminal of IGCT IGBT4
Connecting, the gate pole of IGCT IGBT4 and the G4 of panel TL494 connect end and connect, the emitter stage of IGCT IGBT4 and panel
The input E4 end of TL494 connects；
Transformator T1, transformator T2, transformator T3 and transformator T4 series connection, wherein the primary side input of transformator T1 respectively with
The input E1 and input E3 of TL494 panel connects；First output of the secondary side outfan of transformator T4 connects end and depends on
Secondary and the secondary side outfan being connected to transformator T4 after diode D7, resistance R1 and resistance R2 series connection the second output is connected end
On；Diode D8 anode is connected to the second output of the secondary side outfan of transformator T4 and connects on end, the negative electrode of diode D8
It is connected with the node between diode D7 with resistance R1；
Normally opened time delay closing relay KT1 is connected with panel TL494；Normally closed time delay disconnects relay K T2 and is connected with panel；
Normally closed time delay closing relay KT3 is connected with panel TL494.
Further, described alternating-current power control circuit is specially described alternating-current power control circuit specially resistance R11 and opens
Being connected to the primary side of transformator T11 after closing S1 series connection, resistance R12 is connected to the one of transformator T11 with display lamp L1 after connecting
Secondary side；The secondary side of transformator T11 is connected with the input of panel, the input of panel the most respectively with rheostat RP1 with
And rheostat RP2 connects, described rheostat RP1 and rheostat RP2 constitutes voltage control loop and electric current control with panel respectively
Ring processed, forms double-loop control, and resistance R12 is connected with the input of panel, the outfan of panel and relay and motor
Connect.
Further, described data acquisition amplifying circuit is particularly as follows: the string that is made up of resistance R10, resistance R6 and resistance R3
Connection branch road one end is connected with 9V power end, the series arm other end being made up of resistance R10, resistance R6 and resistance R3 and earth terminal
Connect；The power end of operational amplifier A 1 is connected with 9V power supply, the inverting input of operational amplifier A 1 and resistance R2 and resistance
Node between R3 connects, and the in-phase input end of operational amplifier A 1 is connected with the in-phase input end of operational amplifier A 2, computing
The outfan of amplifier A1 is connected with the outfan of operational amplifier A 2；The inverting input of operational amplifier A 2 and resistance R10
With the node between resistance R6 connects；Node between inverting input and resistance R10 and the resistance R2 of operational amplifier A 2 is even
Connect；The series arm being made up of resistance R4 and resistance R5 is connected between 9V power supply and earth terminal, between resistance R4 and resistance R5
Node be connected with the inverting input of operational amplifier A 2；Resistance R7 one end is connected with 5V power supply, the other end of resistance R7 with
Node between operational amplifier A 1 and operational amplifier A 2 connects.
Further, described electric cabinet door face include D.C. voltmeter, DC ammeter, A.C. voltmeter, alternating current ammeter,
Touch display screen, master temperature indicator, auxiliary thermometer and alarm lamp;DC voltage, DC current, alternating voltage, alternating current
By EBI to PLC input signal, and it is controlled by PLC, the display on corresponding dial plate；PLC
Temperature is made to be controlled regulating to temperature according to the temperature curve pre-set by controlling heater, and by the temperature of heater
Degree display is on master temperature indicator and auxiliary thermometer.
Further, also including, the current foldback circuit that is connected with PLC respectively, overvoltage crowbar, phase shortage are protected
Protection circuit, power-off protecting circuit, low hydraulic pressure protection circuit, water temperature over-high protection circuit, higher device temperature protection circuit and acousto-optic report
Alert circuit, when each circuit break down signal, hydraulic pressure cross low signal, water temperature over-high signal or device temperature too high signal time, letter
Number through PLC process after, pass to sound light alarming circuit, light the alarm lamp on electric cabinet door face, carry out acousto-optic report
Alert.
Further, described touch display screen is by energising, power-off, power per liter, fall power, the main temperature of heater and auxiliary temperature
The configuration information signal of degree, argon flow amount, alarm logging, intake pressure, leaving water temperature and design temperature is sent to PLC control
Device, PLC carries out respective settings and operation according to setting value.
Further, the type of cooling of described main circuit transformator and IGBT is water-cooled, the output voltage of described main circuit
Being 0 ~ 200V adjustable voltage, output is 0 ~ 400KW, and output maximum current is 2000A.
The electrophoresis power equipment of various embodiments of the present invention, owing to specifically including that PLC, main circuit, alternating current power supply control
Circuit processed, data acquisition amplifying circuit and electric cabinet door face, described PLC respectively with main circuit, alternating-current power control circuit,
Data acquisition circuit and electric cabinet door face connect, and described main circuit includes three-phase full wave rectifier circuit, filter circuit, full-bridge inverting electricity
Road, high-frequency power transformer and rectifying and wave-filtering output circuit, described full bridge inverter uses IGBT switching device；
380V alternating current is by obtaining high voltage direct current after three-phase full wave rectifier circuit and filter circuit, and described high voltage direct current leads to
Crossing full bridge inverter inversion is high-frequency alternating current, after through high-frequency power transformer, high pressure is become low pressure, finally by whole
Stream output circuit output unidirectional current, for load, data acquisition amplifying circuit collecting temperature and argon flow amount signal, will gather
After signal pass to PLC, PLC according to the temperature curve pre-set and argon flow amount setting value to temperature
It is adjusted with argon flow amount.Such that it is able to overcome the electrophoresis power equipment pollution to mains by harmonics in prior art, overcome existing
There is electrophoresis power device temperature in technology not regulated and controled in time, thus reduce control accuracy, the defect that technique is the most up to standard,
Improve power factor, improve control accuracy simultaneously.
Other features and advantages of the present invention will illustrate in the following description, and, partly become from description
Obtain it is clear that or understand by implementing the present invention.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with the reality of the present invention
Execute example together for explaining the present invention, be not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the main circuit diagram of electrophoresis power equipment of the present invention；
Fig. 2 is the alternating-current power control circuit figure of electrophoresis power equipment of the present invention；
Fig. 3 is the data acquisition amplifying circuit figure of electrophoresis power equipment of the present invention；
Fig. 4 is the structured flowchart of electrophoresis power equipment of the present invention；
Fig. 5 is the interface display control figure of electrophoresis power equipment of the present invention.
In conjunction with accompanying drawing, in the embodiment of the present invention, reference is as follows:
1-TL494 panel;2-alternating-current power control circuit panel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred reality described herein
Execute example be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Specifically, in conjunction with Fig. 1 and Fig. 4, a kind of electrophoresis power equipment, including PLC, main circuit, alternating current power supply control
Circuit processed, data acquisition amplifying circuit and electric cabinet door face, described PLC respectively with main circuit, alternating-current power control circuit,
Data acquisition circuit and electric cabinet door face connect, and described main circuit includes three-phase full wave rectifier circuit, filter circuit, full-bridge inverting electricity
Road, high-frequency power transformer and rectifying and wave-filtering output circuit, described full bridge inverter uses IGBT switching device；
380V alternating current is by obtaining high voltage direct current after three-phase full wave rectifier circuit and filter circuit, and described high voltage direct current leads to
Crossing full bridge inverter inversion is high-frequency alternating current, after through high-frequency power transformer, high pressure is become low pressure, finally by whole
Stream output circuit output unidirectional current, for load, data acquisition amplifying circuit collecting temperature and argon flow amount signal, will gather
After signal pass to PLC, PLC according to the temperature curve pre-set and argon flow amount setting value to temperature
It is adjusted with argon flow amount.
Described main circuit is specifically, U phase power supply is connected to transformator T5 after overcurrent fuse FU1 and catalyst KM1
First connection end of primary side and the first connection end of transformator T6；V phase power supply connects after overcurrent fuse FU2 and catalyst KM2
Being connected on the second connection end of transformator T5 primary side and the second connection end of transformator T6, transformator T5 secondary side outfan is respectively
Be connected with 16V, 0V and 16V of panel TL494 end connect, the secondary side outfan of transformator T6 respectively with panel TL494
22V, 0V and 22V connect end connect；W phase power supply is connected end with the 380V of panel after overcurrent fuse FU3 and catalyst KM3
Connect；
The series arm being made up of diode D1 and diode D2, the series arm being made up of diode D3 and diode D5, by
After series arm, electric capacity C1 and the electric capacity C2 of diode D4 and diode D6 composition composes in parallel five parallel branches, one end is divided
It is not connected with the colelctor electrode of IGBT1 IGCT colelctor electrode and IGBT3 IGCT, the series connection being made up of diode D1 and diode D2
Branch road, the series arm being made up of diode D3 and diode D5, the series arm being made up of diode D4 and diode D6, electricity
Hold the other end after C1 and electric capacity C2 composes in parallel five parallel branches to be connected with the outfan E4 of panel TL494；Two poles
Node between pipe D1 and diode D2 is connected end and connects with the 380V of panel TL494；Between diode D3 and diode D5
Node with second be connected end and transformator T6 primary side second connects end and connects with transformator T5 primary side respectively；Diode
Node between D4 and diode D5 first is connected end and the first of transformator T6 primary side with transformator T5 primary side respectively
Connect end to connect；
IGCT IGBT1 gate pole is connected end and connects with the G1 of panel TL494, the emitter stage of IGCT IGBT1 and IGCT
The colelctor electrode of IGBT2 connects, and the emitter stage of IGCT IGBT2 is connected with the input E2 of panel TL494；IGCT IGBT3
Gate pole be connected with the G3 of panel TL494 end connect, the emitter stage of IGCT IGBT3 and the collector terminal of IGCT IGBT4
Connecting, the gate pole of IGCT IGBT4 and the G4 of panel TL494 connect end and connect, the emitter stage of IGCT IGBT4 and panel
The input E4 end of TL494 connects；
Transformator T1, transformator T2, transformator T3 and transformator T4 series connection, wherein the primary side input of transformator T1 respectively with
The input E1 and input E3 of TL494 panel connects；First output of the secondary side outfan of transformator T4 connects end and depends on
Secondary and the secondary side outfan being connected to transformator T4 after diode D7, resistance R1 and resistance R2 series connection the second output is connected end
On；Diode D8 anode is connected to the second output of the secondary side outfan of transformator T4 and connects on end, the negative electrode of diode D8
It is connected with the node between diode D7 with resistance R1；
Normally opened time delay closing relay KT1 is connected with panel TL494；Normally closed time delay disconnects relay K T2 and is connected with panel；
Normally closed time delay closing relay KT3 is connected with panel TL494.
Described alternating-current power control circuit specially resistance R11 is connected to transformator T11 once after connecting with switch S1
Side, resistance R12 is connected to the primary side of transformator T11 with display lamp L1 after connecting；The secondary side of transformator T11 and panel
Input connect, the input of panel is connected with rheostat RP1 and rheostat RP2 the most respectively, described rheostat RP1 and
Rheostat RP2 constitutes voltage control loop and current regulator with panel respectively, forms double-loop control, resistance R12 and panel
Input connect, the outfan of panel is connected with relay and motor.
The program control electrophoresis power of the present invention is the special equipment providing the process that automatically processes for electrophoresis process, can be according to technique need
Want, run by the process curve specified.This equipment is by PLC control, touch screen operation.Equipment is provided with manually and automatically two kinds of work
Mode.During manual mode work, operator need to control operating current according to technological requirement and current indication, adjusting knob
Size.During automated manner, only need to press " startup " button, whole process treatment process can be automatically performed, and robot control system(RCS) is by advance
The program curve set, is automatically adjusted size of current in PID mode, controls parameter self-tuning.Equipment is controlled by temperature curve
Its output, provides argon flow amount by setting value technique.
Main circuit uses high-frequency inversion technology: three-phase alternating current power supply, through three phase full wave rectification, obtains high voltage direct current, uses
IGBT does switching device, full bridge inverter, is high-frequency ac by DC inversion, then through high-frequency power transformer by voltage drop
Low, the most rectified unidirectional current that becomes again again sends use.I.e. overall process is the conversion process of AC-DC-AC-DC.This pattern is significantly
Decrease harmonic pollution in electric power net specific to old-fashioned IGCT (controllable silicon) circuit, power factor be greatly enhanced (cos=
0.96 ~ 0.97), weight of equipment reduces to less than 1/3rd of retrospective installation simultaneously, is current novel energy-saving equipment in the world
Dominant form.
The critical component that this equipment uses, is international famous brand product such as PLC, PID instrument, IGBT etc., and this sets for guarantee
Standby steady reliability service provides premise.
Alternating-current power control circuit specially resistance R11 is connected to the one of transformator T1 after connecting with switch S1 as described in Figure
Secondary side, resistance R12 is connected to the primary side of transformator T1 with display lamp L1 after connecting；The secondary side of transformator T1 and panel
Input connect, the input of panel is connected with rheostat RP1 and rheostat RP2 the most respectively, described rheostat RP1 and
Rheostat RP2 constitutes voltage control loop and current regulator with panel respectively, forms double-loop control, resistance R12 and panel
Input connect, the outfan of panel is connected with relay and motor.
Described electric cabinet door face includes that D.C. voltmeter, DC ammeter, A.C. voltmeter, alternating current ammeter, touch show
Screen, master temperature indicator, auxiliary thermometer and alarm lamp;DC voltage, DC current, alternating voltage, alternating current pass through bus
Interface is to PLC input signal, and is controlled by PLC, the display on corresponding dial plate；PLC is by controlling
Heater makes temperature be controlled regulating to temperature according to the temperature curve pre-set, and the temperature of heater is shown
On master temperature indicator and auxiliary thermometer.
Also include, the current foldback circuit that is connected with PLC respectively, overvoltage crowbar, open-phase protection circuit, disconnected
Electric protection circuit, low hydraulic pressure protection circuit, water temperature over-high protection circuit, higher device temperature protection circuit and sound light alarming circuit, when
Break down signal, hydraulic pressure of each circuit is when crossing low signal, water temperature over-high signal or the too high signal of device temperature, and signal is controlled through PLC
After device processed processes, pass to sound light alarming circuit, light the alarm lamp on electric cabinet door face, carry out sound and light alarm.
Described touch display screen is by energising, power-off, power per liter, fall power, the main temperature of heater and auxiliary temperature, argon stream
The configuration information signal of amount, alarm logging, intake pressure, leaving water temperature and design temperature is sent to PLC, and PLC controls
Device carries out respective settings and operation according to setting value.
The type of cooling of described main circuit transformator and IGBT is water-cooled, and the output voltage of described main circuit is that 0 ~ 200V can
Adjusting voltage, output is 0 ~ 400KW, and output maximum current is 2000A.
It is one of flow process important in Gao Shi silicon process that three-dimensional electric field control electrophoresis to remove boron dephosphorization technique, and the degree of depth is controllably removed
Boron, fall phosphorus are the most important to the quality guarantee of ingot casting polycrystalline silicon material.Accurate control electric field and temperature field thereof, make impurity in silicon liquid
Move by motion path suitable convection current in crucible of simulation, by implementing DC electric field, extract respectively and separate at period of element
Phosphorus and the boron of silicon both sides it is positioned in table.Fall liquid-state silicon being loaded has in the purification bag of electric field, by added electric field implement to reduce boron,
The technological process of phosphorus, fine adjustment vector electric field intensity, control the temperature purifying the interior silicon water of bag to coordinate except boron fall phosphorus operation
Stably complete.Flow process uses frequency conversion trivector electromagnetic field to coordinate with accurate controllable temperature field, makes the boron in silicon, phosphorus impurities change
Depart from liquid-state silicon after form, reach except boron, the purpose of fall phosphorus.Electrophoresis equipment for purifying redesigns on the basis of legacy equipment, changes
Enter and be assigned to brand-new automation function.
Electrophoretic programme-controlled power-supply device is relatively inexpensive, length in service life, easy to maintenance, operate safe, reliable, this equipment
It it is the integrated important ring of GSP technological system.Programmable power supply equipment is for electrophoresis, electroplates and special life that the operation such as heating uses
Product equipment, can be run by the technological parameter curve specified automatically according to technique needs, for reducing production cost, improving product matter
Amount provides effective technical guarantee.
PLC is core master controller, and there are CPU, memorizer etc. in inside, can independently carry out program operation, send
Control signal, PLC is started with the control terminated, the supervising of final result, problem finds and on-call maintenance by extraneous man-machine only having
Deng effect.Miscellaneous equipment is all pressed coding logic control by PLC.
Alternating-current power control circuit panel uses Voltage loop and electric current loop double-loop control, exports the most stable.Output voltage
With power can from 0 tune.Maximum current is separately had to limit..Owing to electric current is relatively big, controllable silicon selects water-cooled or motor air-cooled scattered
Heat.The double string of water-filled radiator SS-14,2 controllable silicons that each radiator can be contacted.Can individually tie up in view of often group power supply
Repairing and protection to transformator, or install an air switch (chopper) additional in often group, maximum protection electric current is 200A.
This equipment main circuit uses full bridge inverter, and PWM controls, and switch element uses the IGBT device of imported with original packaging.
Control accuracy is high, and device efficiency is high, and power factor >=0.96 is little to electric network influencing, upgrade version equipment can by LAN by
The manipulation of control room.
Inlet wire 380V AC, blood pressure lowering secondary 120V AC, transformator and the IGBT type of cooling are water-cooled, export 0～200 V
DC is adjustable, output 0～400 KW, controls power by temperature parameter, exports maximum current 2000A.
Electric cabinet door face: D.C. voltmeter/DC ammeter/A.C. voltmeter/alternating current ammeter/touch screen/master temperature indicator
With auxiliary thermometer/alarm lamp
Power supply: overcurrent protection/overvoltage protection/open-phase protection/power-off protection/low hydraulic pressure protection/water temperature over-high protection/higher device temperature
Protect and report to the police accordingly
Touch screen shows: send power off/power per liter/fall power/heater main temperature and auxiliary temperature/argon flow amount/warning note
Record/intake pressure/leaving water temperature/design temperature.
Equipment important technological parameters:
(1) operating power: 0 ~ 400 kW
(2) output services voltage range: 0 200V (DC)
(3) maximum output current: 2000A (DC)
(4) controllable parameter input mode: touch screen given curve
(5) control mode: manually/intelligence instrument Adaptive PID Control
(6) control accuracy: setting value ± 1%
(7) nominal input voltage: AC 380V three-phase
At least can reach following beneficial effect: control circuit uses voltage and current double-loop control so that output voltage and electricity
Stream is stable；Main circuit is carried out concrete design, and the inverter circuit of main circuit has used IGBT switch, practice have shown that this main electricity
Road greatly reduces harmonic pollution in electric power net, and power factor improves a lot, and output voltage adjustable extent increases simultaneously, maximum defeated
Go out electric current also to increase；Use PLC that temperature is controlled so that temperature is according to by touching the temperature that display screen sets
Curve motion, PLC controls also to be adjusted argon flow amount simultaneously so that argon flow amount operates according to setting value, significantly
Improve the control accuracy to temperature and argon flow amount.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (8)
1. an electrophoresis power equipment, it is characterised in that include PLC, main circuit, alternating-current power control circuit, data
Gather amplifying circuit and electric cabinet door face, described PLC respectively with main circuit, alternating-current power control circuit, data acquisition current collection
Road and electric cabinet door face connect, and described main circuit includes three-phase full wave rectifier circuit, filter circuit, full bridge inverter, high frequency merit
Rate transformator and rectifying and wave-filtering output circuit, described full bridge inverter uses IGBT switching device；
380V alternating current is by obtaining high voltage direct current after three-phase full wave rectifier circuit and filter circuit, and described high voltage direct current leads to
Crossing full bridge inverter inversion is high-frequency alternating current, after through high-frequency power transformer, high pressure is become low pressure, finally by whole
Stream output circuit output unidirectional current, for load, data acquisition amplifying circuit collecting temperature and argon flow amount signal, will gather
After signal pass to PLC, PLC according to the temperature curve pre-set and argon flow amount setting value to temperature
It is adjusted with argon flow amount.
Electrophoresis power equipment the most according to claim 1, it is characterised in that described main circuit is specifically, U phase power supply passes through
It is connected to the first connection end of transformator T5 primary side after fuse FU1 and catalyst KM1 and the first of transformator T6 connects
Connect end；V phase power supply is connected to the second connection end and transformation of transformator T5 primary side after overcurrent fuse FU2 and catalyst KM2
The second connection end of device T6, transformator T5 secondary side outfan 16V, 0V and 16V with panel TL494 respectively is connected end company
Connecing, the secondary side outfan of transformator T6 22V, 0V and 22V with panel TL494 respectively is connected end and connects；W phase power supply passes through
It is connected end after fuse FU3 and catalyst KM3 to connect with the 380V of panel；
The series arm being made up of diode D1 and diode D2, the series arm being made up of diode D3 and diode D5, by
After series arm, electric capacity C1 and the electric capacity C2 of diode D4 and diode D6 composition composes in parallel five parallel branches, one end is divided
It is not connected with the colelctor electrode of IGBT1 IGCT colelctor electrode and IGBT3 IGCT, the series connection being made up of diode D1 and diode D2
Branch road, the series arm being made up of diode D3 and diode D5, the series arm being made up of diode D4 and diode D6, electricity
Hold the other end after C1 and electric capacity C2 composes in parallel five parallel branches to be connected with the outfan E4 of panel TL494；Two poles
Node between pipe D1 and diode D2 is connected end and connects with the 380V of panel TL494；Between diode D3 and diode D5
Node with second be connected end and transformator T6 primary side second connects end and connects with transformator T5 primary side respectively；Diode
Node between D4 and diode D5 first is connected end and the first of transformator T6 primary side with transformator T5 primary side respectively
Connect end to connect；
IGCT IGBT1 gate pole is connected end and connects with the G1 of panel TL494, the emitter stage of IGCT IGBT1 and IGCT
The colelctor electrode of IGBT2 connects, and the emitter stage of IGCT IGBT2 is connected with the input E2 of panel TL494；IGCT IGBT3
Gate pole be connected with the G3 of panel TL494 end connect, the emitter stage of IGCT IGBT3 and the collector terminal of IGCT IGBT4
Connecting, the gate pole of IGCT IGBT4 and the G4 of panel TL494 connect end and connect, the emitter stage of IGCT IGBT4 and panel
The input E4 end of TL494 connects；
Transformator T1, transformator T2, transformator T3 and transformator T4 series connection, wherein the primary side input of transformator T1 respectively with
The input E1 and input E3 of TL494 panel connects；First output of the secondary side outfan of transformator T4 connects end and depends on
Secondary and the secondary side outfan being connected to transformator T4 after diode D7, resistance R1 and resistance R2 series connection the second output is connected end
On；Diode D8 anode is connected to the second output of the secondary side outfan of transformator T4 and connects on end, the negative electrode of diode D8
It is connected with the node between diode D7 with resistance R1；
Normally opened time delay closing relay KT1 is connected with panel TL494；Normally closed time delay disconnects relay K T2 and is connected with panel；
Normally closed time delay closing relay KT3 is connected with panel TL494.
Electrophoresis power equipment the most according to claim 2, it is characterised in that described alternating-current power control circuit is specially electricity
Resistance R11 is connected to the primary side of transformator T11 with switch S1 after connecting, resistance R12 is connected to transformation after connecting with display lamp L1
The primary side of device T11；The secondary side of transformator T11 is connected with the input of panel, the input of panel the most respectively with change
Resistance device RP1 and rheostat RP2 connects, and described rheostat RP1 and rheostat RP2 constitutes voltage control loop with panel respectively
And current regulator, forming double-loop control, resistance R12 is connected with the input of panel, the outfan of panel and relay
Connect with motor.
Electrophoresis power equipment the most according to claim 3, it is characterised in that described data acquisition amplifying circuit particularly as follows:
The series arm one end being made up of resistance R10, resistance R6 and resistance R3 is connected with 9V power end, by resistance R10, resistance R6 and electricity
The series arm other end of resistance R3 composition is connected with earth terminal；The power end of operational amplifier A 1 is connected with 9V power supply, and computing is put
The inverting input of big device A1 is connected with the node between resistance R2 and resistance R3, the in-phase input end of operational amplifier A 1 and fortune
The in-phase input end calculating amplifier A2 connects, and the outfan of operational amplifier A 1 is connected with the outfan of operational amplifier A 2；Fortune
The inverting input calculating amplifier A2 is connected with the node between resistance R10 and resistance R6；The anti-phase input of operational amplifier A 2
End is connected with the node between resistance R10 and resistance R2；The series arm being made up of resistance R4 and resistance R5 is connected to 9V power supply
With between earth terminal, the node between resistance R4 and resistance R5 is connected with the inverting input of operational amplifier A 2；Resistance R7 mono-
End is connected with 5V power supply, and the node between the other end of resistance R7 with operational amplifier A 1 and operational amplifier A 2 is connected.
Electrophoresis power equipment the most according to claim 4, it is characterised in that described electric cabinet door face include D.C. voltmeter,
DC ammeter, A.C. voltmeter, alternating current ammeter, touch display screen, master temperature indicator, auxiliary thermometer and alarm lamp;Directly
Flow voltage, DC current, alternating voltage, alternating current by EBI to PLC input signal, and carried out by PLC
Control, the display on corresponding dial plate；PLC makes temperature according to the temperature curve pre-set by controlling heater
Temperature is controlled regulation, and the temperature of heater is shown on master temperature indicator and auxiliary thermometer.
A kind of electrophoresis power equipment the most according to claim 5, it is characterised in that also include, respectively with PLC even
The current foldback circuit that connects, overvoltage crowbar, open-phase protection circuit, power-off protecting circuit, low hydraulic pressure protection circuit, water temperature mistake
High protection circuit, higher device temperature protection circuit and sound light alarming circuit, when each circuit break down signal, hydraulic pressure cross low signal,
When water temperature over-high signal or the too high signal of device temperature, signal, after PLC processes, passes to sound light alarming circuit, point
Alarm lamp on bright electric cabinet door face, carries out sound and light alarm.
7. according to the electrophoresis power equipment described in claim 4 or 5, it is characterised in that described touch display screen will be energized, break
Electricity, power per liter, fall power, the main temperature of heater and auxiliary temperature, argon flow amount, alarm logging, intake pressure, leaving water temperature and
The configuration information signal of design temperature is sent to PLC, and PLC is set according to corresponding preset value and grasps
Make.
Electrophoresis power equipment the most according to claim 7, it is characterised in that described main circuit transformator and the cooling of IGBT
Mode be water-cooled or blower fan air-cooled, the output voltage of described main circuit is 0 ~ 200V adjustable voltage, output is 0 ~
400KW, output maximum current is 2000A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610455898.0A CN105958840A (en) | 2016-06-22 | 2016-06-22 | Electrophoresis power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610455898.0A CN105958840A (en) | 2016-06-22 | 2016-06-22 | Electrophoresis power supply equipment |
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| CN105958840A true CN105958840A (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610455898.0A Pending CN105958840A (en) | 2016-06-22 | 2016-06-22 | Electrophoresis power supply equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074318A (en) * | 2019-11-13 | 2020-04-28 | 南京工业大学 | Electrophoresis-micro arc oxidation synchronous processing power supply based on grouping pulse |
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| CN205945533U (en) * | 2016-06-22 | 2017-02-08 | 江苏盎华光伏工程技术研究中心有限公司 | Electrophoresis electrical power unit |
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| CN2251856Y (en) * | 1995-11-23 | 1997-04-09 | 韦小贵 | Small-sized large power switch inverter medium, high frequency magnetic induction heating apparatus |
| CN101391336A (en) * | 2008-10-24 | 2009-03-25 | 广东火电工程总公司 | Embedded digitization controlled tube-plate all-position automatic welding inverter |
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| CN111074318A (en) * | 2019-11-13 | 2020-04-28 | 南京工业大学 | Electrophoresis-micro arc oxidation synchronous processing power supply based on grouping pulse |
| CN111074318B (en) * | 2019-11-13 | 2020-11-03 | 南京工业大学 | Electrophoresis-micro arc oxidation synchronous processing power supply based on grouping pulse |
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