CN101123413A - Controller for high-power, high voltage and five level frequency conversion voltage adjusting device - Google Patents
Controller for high-power, high voltage and five level frequency conversion voltage adjusting device Download PDFInfo
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- CN101123413A CN101123413A CNA200710139314XA CN200710139314A CN101123413A CN 101123413 A CN101123413 A CN 101123413A CN A200710139314X A CNA200710139314X A CN A200710139314XA CN 200710139314 A CN200710139314 A CN 200710139314A CN 101123413 A CN101123413 A CN 101123413A
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Abstract
The invention relates to a high-power high-voltage five-level frequency conversion voltage regulating equipment controller, and is primarily to solve the technical difficulty of large volume, high cost, difficulty to be serviced, and high failure rate of prior controllers. According to the technical proposal, the high-power high-voltage five-level frequency conversion voltage regulating equipment control primarily consists of a master control circuit and a panel control circuit; the master control circuit comprises a main processor CPU, a crystal oscillator, an analogue signal bias circuit, a switch pin connecting driver, an optical coupling trigger circuit, an analogue power supply connector, an analogue power supply protective circuit and an anti-interference filter; the panel control circuit comprises a processor CPU, a main clock oscillator, a pull-up resistor circuit, an additional power supply, a keyboard touch panel circuit, a connecting plug socket circuit of a main bus-bar, a transient voltage stabilizer, a panel indicator light circuit, an LCD circuit, a parallel communication interface circuit and a photocoupling isolation circuit.
Description
Technical field
The present invention relates to the controller of a kind of high-power, high voltage, five level frequency conversion voltage adjusting device, it belongs to the control device that a kind of high-power, high voltage, five level frequency conversion voltage adjusting device use.
Background technology
The controller that at present domestic and international high-tension high-power frequency conversion voltage adjusting device uses, the modes that jointly control that adopt " single-chip microcomputer+industrial computer+PLC " more.Wherein single-chip microcomputer mainly is responsible for the core control algolithm of internal system, the man machine operation interface that industrial computer mainly is responsible for providing friendly and with the communication of host computer.PLC mainly be responsible for the internal system switching value control and with the interface of external control signal, communicate with one another between the three.Though sort controller can play control action to the high-tension high-power frequency conversion voltage adjusting device and since this control system exist bulky, the cost height, maintenance difficult, the defective that failure rate is high makes its use be subjected to very big restriction.
Summary of the invention
The objective of the invention is to solve above-mentioned technological difficulties and provide that a kind of volume is little, cost is low, the controller of easy-maintaining and easy-operating high-power, high voltage, five level frequency conversion voltage adjusting device.
The present invention addresses the above problem the technical scheme that adopts to be: the controller of high-power, high voltage, five level frequency conversion voltage adjusting device, and wherein: this controller mainly is made up of main control circuit and panel control circuit; Described main control circuit comprises the biasing circuit of primary processor CPU, crystal oscillator, analog signal, connection driver, optical coupling circuits for triggering, analog power connector, analog power protective circuit and the anti-interference filter of switch pin; The digital signal processor (DSP) that described primary processor CPU adopts arithmetic speed to be exceedingly fast is a core control system, signal after acceptance is transformed by voltage transformer (PT), current transformer (CT) and detect the parameter of motor and load automatically and set up its Mathematical Modeling dynamically, calculate all parameters of motor operation and export corresponding instruction, control output voltage is a perfect harmony, makes motor and load system power factor be tending towards 1.0; The effect of described crystal oscillator is to be primary processor CPU input clock pulse, and it is connected with the pin 39 of primary processor cpu chip; The effect of the biasing circuit of described analog signal is that it is connected with 23 with the pin one 9 of primary processor cpu chip, so that the relation of proportional calculating motor stator voltage, electric current and frequency for the analog quantity of gathering is biased on the occasion of signal; The effect of the connection driver of described switch pin is to be convenient to be connected with other elements from bus, and its terminal 2,4,6,8,11,13 is connected with the pin 6,8,63,64,62,1 of primary processor cpu chip; The effect of described optical coupling circuits for triggering be for insulated gate bipolar triode (IGBT) gate pole enough cathode voltages are provided so that collector electrode to the emitter conducting, it is connected with the pin 49 of primary processor cpu chip; The effect of described analog power connector is to provide the authentic simulation power supply for primary processor CPU and biasing circuit, and it is connected with the pin one 9 of primary processor cpu chip; The effect of described analog power protective circuit is for primary processor CPU provides protection, it with the primary processor cpu chip+the 5V power supply is connected; The effect of described anti-interference filter is for primary processor CPU provides reliable power supply, to guarantee primary processor CPU stable operation;
Described panel control circuit comprises connection socket circuit, transient voltage stabilizer, panel leds circuit, liquid crystal display circuit, parallel communication interface circuit and the optical coupling isolation circuit of processor CPU, main clock oscillator, pull-up resistor circuit, additional power source, keyboard touch panel circuit, main bus bar; Described processor CPU is used to receive the signal that primary processor CPU sends, and the outputting communication instruction is with the running status of real-time display system; The effect of described main clock oscillator is for the clock signal in normal when operation is provided to processor CPU, and it is connected with the pin 30 of processor CPU; The effect of described pull-up resistor circuit is for data wire provides reliable electric potential signal, and it is connected with the pin one 9～26 of processor CPU; The effect of described additional power source is for processor CPU provides safeguard, and it is connected with 17 with the pin 40,28,7 of processor CPU; The effect of described keyboard touch panel circuit is an input human-computer dialogue signal; The effect of the connection socket circuit of described main bus bar is that processor CPU and other auxiliary equipment are coupled together, and it is connected with the application pin of processor CPU; The effect of described transient voltage stabilizer is when externally impacting appears in voltage, to provide stable+5V voltage to processor CPU; The effect of described panel leds circuit is for panel provides indication, and it is connected with liquid crystal display circuit; The effect of described liquid crystal display circuit is to drive chip of LCD GLCD2 by 37 pins of processor CPU and PNP transistor to finish the liquid crystal display function; The effect of described parallel communication interface circuit is to carry out communication rapidly with panel chip and other circuit; The effect of described optical coupling isolation circuit be transmit remote signal or and other communication apparatus get in touch with, its pin TXD, RXD, SE are connected with the respective pin of processor CPU respectively.
Because the present invention adopted technique scheme, the digital signal processor (DSP) that is exceedingly fast with arithmetic speed can detect the parameter of motor and load automatically and set up its Mathematical Modeling dynamically as core control system.And, detect and calculate all intermediate quantities of motor operation automatically in conjunction with the Speedless sensor vector control theory.As the magnetic flux size, magnetic flux speed, motor speed, torque, voltage, electric current, frequency and system power factor, the state of each switch and febrile state, and then send trigger impulse accurately and reliably, the output voltage that removes to finish frequency converter with dynamic PWM technology are that perfect harmony and motor and load system power factor are tending towards 1.0 purpose.Therefore, compare with background technology, the present invention has that volume is little, cost is low, easy-maintaining and easy-operating advantage.
Description of drawings
Fig. 1 is the schematic diagram of main control circuit of the present invention and auxiliary circuit;
Fig. 2 is the schematic diagram of panel control circuit of the present invention and auxiliary circuit.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, high-power, the high voltage in the present embodiment, the controller of five level frequency conversion voltage adjusting device, wherein: this controller mainly is made up of main control circuit and panel control circuit; Described main control circuit comprises the biasing circuit of primary processor cpu chip U4, crystal oscillator, analog signal, connection driver, optical coupling circuits for triggering, analog power connector, analog power protective circuit and the anti-interference filter of switch pin; The digital signal processor (DSP) that described primary processor cpu chip U4 adopts arithmetic speed to be exceedingly fast is a core control system, its model is PIC30F6012, signal after acceptance is transformed by voltage transformer (PT), current transformer (CT) and detect the parameter of motor and load automatically and set up its Mathematical Modeling dynamically, calculate all parameters of motor operation and export corresponding instruction, control output voltage is a perfect harmony, makes motor and load system power factor be tending towards 1.0; By Fig. 1 a as can be known, the pin 39 of this primary processor cpu chip U4 (PIC30F6012) connects crystal oscillator, pin two, 3,47,48 is the output of switching value, pin 33,34,58,59,42,43,44,45 also is the switching value output, also have pin one, 4,5,6,8 and 62,63,64 also to be the switching value output, they all are to be used for from the give an order switch of corresponding insulation grid dual-polar triode (IGBT) of control impuls width modulated (PWM) five level circuits of primary processor cpu chip U4; Pin 38,26,10,57 connects+and the 5V positive supply is primary processor cpu chip U4 power supply, pin two 0,25,41,56,9 is the earth terminal of power supply, pin 37,36 is a primary processor cpu chip U4 communication terminal, make itself and panel processor controls cpu chip U1 carry out communication, pin 49-55 is the control end of PWM operation, primary processor cpu chip U4 from then on port sends pwm pulse signal, 7 circuits for triggering of control IGBT respective switch, and pin one 7,18 is that PGC, PGD are programming port.The effect of described crystal oscillator is to be primary processor cpu chip U4 input clock pulse, and it is connected with the pin 39 of primary processor cpu chip U4.Fig. 1 b is the biasing circuit of analog signal, its effect is to be biased on the occasion of signal for the analog quantity of gathering, it is made up of integrated package U15A (LM1558) and resistance R 49, R50, R51, capacitor C 22, C23, C24 and voltage-stabiliser tube V1, TVS1, it is connected with 23 with the pin one 9 of primary processor cpu chip U4, so that the relation of proportional calculating motor stator voltage, electric current and frequency.Fig. 1 c is the connection driver of switch pin, its effect is to be convenient to be connected with other elements from bus, it is made up of integrated package U6 (74LS244) and capacitor C 25, and its terminal 2,4,6,8,11,13 is connected with the pin 6,8,63,64,62,1 of primary processor cpu chip U4.Fig. 1 d is the optical coupling circuits for triggering, its effect be for insulated gate bipolar triode (IGBT) gate pole enough cathode voltages are provided so that collector electrode to the emitter conducting, it is made of 7 groups of components identical, be made up of chip TP1 (TLP127), diode D3, voltage-stabiliser tube T2, resistance R 55, R56, R57, R58 for every group, it is connected with the pin 49～55 of primary processor cpu chip U4.Fig. 1 e is the analog power connector, its effect is to provide the authentic simulation power supply for primary processor cpu chip U4 and biasing circuit, it is by being made up of device L1 (78M05), capacitor C 20, C21, diode D13, D14, and it is connected with the pin one 9 of primary processor cpu chip U4.Fig. 1 f is the analog power protective circuit, and its effect is for primary processor cpu chip U4 provides protection, form by voltage-stabiliser tube TVS1, electric capacity E3, it with primary processor cpu chip U4+the 5V power supply is connected.Fig. 1 g is an anti-interference filter, and its effect is for primary processor cpu chip U4 provides reliable power supply, to guarantee primary processor CPU stable operation, is made up of 7 magnetic bead device M5～M11, and it links to each other with the corresponding pin of main control circuit.
As shown in Figure 2, described panel control circuit comprises connection socket circuit, transient voltage stabilizer, panel leds circuit, liquid crystal display circuit, parallel communication interface circuit and the optical coupling isolation circuit of processor CPU U1, main clock oscillator, pull-up resistor circuit, additional power source, keyboard touch panel circuit, main bus bar; Fig. 2 h is processor CPU U1 (PIC30F4011), it is used to receive the signal that primary processor cpu chip U4 sends, the outputting communication instruction, running status with real-time display system, the pin 30 of this processor CPUU1 (PIC30F4011) connects the CPU main clock oscillator, and pin 32,35 connects the real-time clock oscillator, and pin 8,9,10,11,14,15,36 connects processor CPU U1 control bus, main effect is to finish sheet choosing and function of reading, is connected with the respective pin of liquid crystal display circuit; Pin one 7,7,28,40 connects processor CPU U1 power supply, and wherein pin one 7 is the analog signal power supply, and pin one 6 is the analog power earth point; Pin 6,29,39 is a processor CPU U1 power ground point; Pin one 9-27 is the data wire of processor CPU U1 for this reason, and the data that the panel display circuit sends from these data wires receptions from this processor CPU U1 are to show; Pin one, 2,3,4,41,42,43,44 is a processor CPU U1 serial communication line link, and it act as and primary processor cpu chip U4 and auxiliary equipment, and as display, keyboard etc. carry out communication; The NTF of processor CPU U1 is a line synchro, connects with 14 pin that are connected in the socket circuit of main bus bar.Main clock oscillator among Fig. 2 h is made of chip U2, links to each other with the pin 30 of processor CPU U1, and its effect is for the clock signal in normal when operation is provided to processor CPU U1.Real-time clock oscillator among Fig. 2 h is made up of crystal oscillator X1, capacitor C 1, C10, is connected with the pin 32,35 of processor CPU U1, and its effect is in the master clock power down or when fault is arranged, and can provide reliable clock signals to processor CPU U1.Fig. 2 i is the pull-up resistor circuit, and it is made up of+5V power supply and 16 resistance R 2～R15, R17, R18, and its effect is to provide reliable current potential to data wire, and it is connected with the pin one 9～26 of processor CPU U1.Fig. 2 j is the additional power source circuit of processor CPUU1, and it is made up of diode D1, D2, power supply B1, resistance R 16, and its effect is to guarantee that processor CPU U1 powers unimpeded under any state.Fig. 2 k is a keyboard touch panel circuit, and it is made up of 8 bidirectional switch K2～K9 and 8 capacitor C 3～C9, C11, and its effect is an input human-computer dialogue signal.Fig. 2 l is a processor CPU U1 programming port circuit, is made up of power supply VPP, programming signal amplification chip JP and resistance R 1, and SDI, SDO are reading-writing port, and its effect is an input and output communication programming signal.Fig. 2 m is the connection socket circuit of main bus bar, is connected socket JMP with main bus bar by 4 magnetic bead M1～M4 and forms, and effect is that processor CPU U1 pin and main bus bar are joined, and then distributes Wiring port from main bus bar to other auxiliary equipment.Fig. 2 n is the transient voltage stabilizer, and it is made up of electrochemical capacitor E1, E2 and voltage-stabiliser tube T1, and it is connected with+5V power supply, and its effect is when externally impacting appears in voltage, to provide stable+5V voltage to processor CPU U1.Fig. 2 o is the panel leds circuit, form by 3 PNP triode P2, P3, P4,3 LEDs 1, LED2, LED3 and 6 resistance R 34, R35, R40, R41, R42, R43, it is connected with+5V power supply, and its effect is reliably to realize the panel deixis.Fig. 2 p is a liquid crystal display circuit, form by chip GLCD2, PNP transistor P5, voltage divider RW2, capacitor C 2 and resistance R 29, it is connected with the pin 37 of processor CPU U1 by luminous order BLC pin, and effect is to be said the word to the PNP transistor by BLC by processor CPU U1 to drive liquid crystal display and finish Presentation Function.Fig. 2 q is a RS485 parallel communication interface circuit, form by voltage-stabiliser tube TVS2, TVS3, TVS4, resistance R 25, R27, R28 and chip U3 (MAX485), pin RTE, the SRD of chip U3 (MAX485), STD are connected with RTE, SRD, the STD of optical coupling isolation circuit respectively, and effect is a parallel communication function of finishing processor CPU U1 and other elements.Fig. 2 r is an optical coupling isolation circuit, form by light-coupled isolation chip RS4 (6N136), resistance R 26, R24 and capacitor C 14, the pin TXD of light-coupled isolation chip is connected with the pin two of processor CPU U1, act as transmit remote signal or and other communication apparatus get in touch with.Fig. 2 s is an optical coupling isolation circuit, form by light-coupled isolation chip RS3 (6N136), resistance R 22, R23 and capacitor C 13, the pin RXD of light-coupled isolation chip RS3 (6N136) is connected with the pin 3 of processor CPU U1, act as transmit remote signal or and other communication apparatus get in touch with.Fig. 2 t is an optical coupling isolation circuit, form by light-coupled isolation chip RS2 (6N136), resistance R 20, R21 and capacitor C 12, the pin SE of light-coupled isolation chip RS2 (6N136) is connected with the pin 4 of processor CPU U1, act as transmit remote signal or and other communication apparatus get in touch with.Fig. 2 u is the DC/DC isolator, and it is connected with+5V power supply, and it act as harmonic wave that the direct current source is produced and filters.Fig. 2 v is the noise capacitive filter, forms by capacitor C 15 and C16, and its direct ground connection, it act as the high frequency antijamming capability that improves processor CPU U1.
Claims (1)
1. the controller of high-power a, high voltage, five level frequency conversion voltage adjusting device, it is characterized in that: this controller mainly is made up of main control circuit and panel control circuit; Described main control circuit comprises the biasing circuit of primary processor CPU, crystal oscillator, analog signal, connection driver, optical coupling circuits for triggering, analog power connector, analog power protective circuit and the anti-interference filter of switch pin; The digital signal processor (DSP) that described primary processor CPU adopts arithmetic speed to be exceedingly fast is a core control system, signal after acceptance is transformed by voltage transformer (PT), current transformer (CT) and detect the parameter of motor and load automatically and set up its Mathematical Modeling dynamically, calculate all parameters of motor operation and export corresponding instruction, control output voltage is a perfect harmony, makes motor and load system power factor be tending towards 1.0; The effect of described crystal oscillator is to be primary processor CPU input clock pulse, and it is connected with the pin 39 of primary processor cpu chip; The effect of the biasing circuit of described analog signal is that it is connected with 23 with the pin one 9 of primary processor cpu chip, so that the relation of proportional calculating motor stator voltage, electric current and frequency for the analog quantity of gathering is biased on the occasion of signal; The effect of the connection driver of described switch pin is to be convenient to be connected with other elements from bus, and its terminal 2,4,6,8,11,13 is connected with the pin 6,8,63,64,62,1 of primary processor cpu chip; The effect of described optical coupling circuits for triggering be for insulated gate bipolar triode (IGBT) gate pole enough cathode voltages are provided so that collector electrode to the emitter conducting, it is connected with the pin 49 of primary processor cpu chip; The effect of described analog power connector is to provide the authentic simulation power supply for primary processor CPU and biasing circuit, and it is connected with the pin one 9 of primary processor cpu chip; The effect of described analog power protective circuit is for primary processor CPU provides protection, it with the primary processor cpu chip +the 5V power supply is connected; The effect of described anti-interference filter is for primary processor CPU provides reliable power supply, to guarantee primary processor CPU stable operation;
Described panel control circuit comprises connection socket circuit, transient voltage stabilizer, panel leds circuit, liquid crystal display circuit, parallel communication interface circuit and the optical coupling isolation circuit of processor CPU, main clock oscillator, pull-up resistor circuit, additional power source, keyboard touch panel circuit, main bus bar; Described processor CPU is used to receive the signal that primary processor CPU sends, and the outputting communication instruction is with the running status of real-time display system; The effect of described main clock oscillator is for the clock signal in normal when operation is provided to processor CPU, and it is connected with the pin 30 of processor CPU; The effect of described pull-up resistor circuit is for data wire provides reliable electric potential signal, and it is connected with the pin one 9～26 of processor CPU; The effect of described additional power source is for processor CPU provides safeguard, and it is connected with 17 with the pin 40,28,7 of processor CPU; The effect of described keyboard touch panel circuit is an input human-computer dialogue signal; The effect of the connection socket circuit of described main bus bar is that processor CPU and other auxiliary equipment are coupled together, and it is connected with the application pin of processor CPU; The effect of described transient voltage stabilizer is when externally impacting appears in voltage, to provide stable+5V voltage to processor CPU; The effect of described panel leds circuit is for panel provides indication, and it is connected with liquid crystal display circuit; The effect of described liquid crystal display circuit is to drive chip of LCD GLCD2 by 37 pins of processor CPU and PNP transistor to finish the liquid crystal display function; The effect of described parallel communication interface circuit is to carry out communication rapidly with panel chip and other circuit; The effect of described optical coupling isolation circuit be transmit remote signal or and other communication apparatus get in touch with, its pin TXD, RXD, SE are connected with the respective pin of processor CPU respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200710139314XA CN100508365C (en) | 2007-08-28 | 2007-08-28 | Controller for high-power, high voltage and five level frequency conversion voltage adjusting device |
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| CNB200710139314XA CN100508365C (en) | 2007-08-28 | 2007-08-28 | Controller for high-power, high voltage and five level frequency conversion voltage adjusting device |
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| CN101123413A true CN101123413A (en) | 2008-02-13 |
| CN100508365C CN100508365C (en) | 2009-07-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957381A (en) * | 2012-12-11 | 2013-03-06 | 丹东华通测控有限公司 | Motor running management device |
| US10177683B2 (en) | 2015-09-29 | 2019-01-08 | Huawei Technologies Co., Ltd. | Multi-level inverter |
| CN110686370A (en) * | 2019-11-14 | 2020-01-14 | 济南大学 | Device of intelligent remote controller for monitoring opening of base station air conditioner |
-
2007
- 2007-08-28 CN CNB200710139314XA patent/CN100508365C/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957381A (en) * | 2012-12-11 | 2013-03-06 | 丹东华通测控有限公司 | Motor running management device |
| US10177683B2 (en) | 2015-09-29 | 2019-01-08 | Huawei Technologies Co., Ltd. | Multi-level inverter |
| CN110686370A (en) * | 2019-11-14 | 2020-01-14 | 济南大学 | Device of intelligent remote controller for monitoring opening of base station air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100508365C (en) | 2009-07-01 |
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