CN203883724U - Variable-frequency input inversion type DC motor driving controller - Google Patents
Variable-frequency input inversion type DC motor driving controller Download PDFInfo
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- CN203883724U CN203883724U CN201420181125.4U CN201420181125U CN203883724U CN 203883724 U CN203883724 U CN 203883724U CN 201420181125 U CN201420181125 U CN 201420181125U CN 203883724 U CN203883724 U CN 203883724U
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- 238000001514 detection method Methods 0.000 claims abstract description 4
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- 238000006243 chemical reaction Methods 0.000 claims description 8
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- 238000003780 insertion Methods 0.000 abstract 2
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- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 4
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a variable-frequency input insertion type DC motor driving controller, which comprises a main circuit and a control circuit, wherein the main circuit comprises a rectifier, the output end of the rectifier is connected with the input end of a filter, the output end of the filter is connected with the input end of an inversion unit, the output end of the inversion unit is connected with the input end of a high-frequency main transformer, the output end of the high-frequency main transformer is connected with the input end of a high-frequency rectifier, the output end of the high-frequency rectifier is connected with the input end of a high-frequency filter, and the control circuit comprises a high-frequency signal generating circuit, a frequency detection circuit, a signal processing and calculating circuit, a sampling circuit and a central controller. The variable-frequency input insertion type DC motor driving controller has the advantages that variable-voltage and variable-frequency three-phase alternating current can be converted into voltage conforming to operating characteristics of a DC motor, and outputted DC voltage and inputted AC frequency are synchronous in change, thereby controlling stepless speed change of a DC traveling motor by using a unit prime motor accelerator pedal, and achieving the purpose of simulating traveling characteristics of an automobile.
Description
Technical field
The utility model relates to a kind of electric machine controller, specifically a kind of frequency conversion input inversion type direct-current machine driving governor.
Background technology
At present as the direct current movable motor of electric automobile and electronic engineering machinery, its power is all that for example, AC power (for example alternating current generator) by the DC power supply of fixed voltage (storage battery) or fixed voltage provides.Therefore, the controller driving as direct current machine, the alternating current of the direct current that its input is all fixed voltages or fixed frequency, fixed voltage.Yet, electric automobile or electronic engineering machinery by three-phase alternating current internal combustion engine generator group as power, if what the controller of its movable motor still required input is direct current or the fixed voltage of fixed voltage, the alternating current of fixed frequency, obviously in electric automobile or electronic engineering machinery walking process, as the eternal continuous firing of internal combustion engine generator group of power in rated speed, rated frequency, the rated condition of rated voltage, prime mover of unit continues in high rotating speed operating mode operation, this not only makes electric automobile or electronic engineering machinery produce in the process of walking to continue larger noise, the more important thing is and increased mechanical wear and energy resource consumption.Meanwhile, the current conventional direct current motor drive circuit as power by alternating current generating sets, all that the alternating current that unit provides drives direct current machine running through Industrial Frequency Transformer step-down, rectification, obviously not only volume is large, Heavy Weight for Industrial Frequency Transformer, and the iron loss expending and copper loss all larger, not only efficiency is low but also cost is also corresponding higher, causes great waste.
Utility model content
The purpose of this utility model is to provide a kind of frequency conversion input inversion type direct-current machine driving governor, it can convert voltage variable (150～380V), the variable three-phase alternating current of frequency (20Hz ~ 50Hz) to meet direct current machine operating characteristic voltage, the direct voltage of output is synchronizeed and is changed with the a-c cycle of input, thereby realize by unit prime mover gas pedal, control the infinitely variable speeds of direct current movable motor, reach the walk object of characteristic of simulated automotive, reduce the noise producing in walking process, reduce mechanical wear and energy resource consumption; In addition, the utility model inverter circuit has adopted high frequency main transformer, compares with the drive circuit of existing employing Industrial Frequency Transformer, has significantly reduced equipment volume and weight, has improved efficiency, has reduced equipment cost.
The utility model for achieving the above object, be achieved through the following technical solutions: comprise main circuit and control circuit, main circuit comprises rectifier, the output of rectifier is connected with the input of filter, the output of filter is connected with the input of inversion unit, the output of inversion unit is connected with the input of high frequency main transformer, the output of high frequency main transformer is connected with the input of hf rectifier, the output of hf rectifier is connected with the input of high frequency filter, control circuit comprises high-frequency signal circuit for generating, frequency detection circuit, signal is processed computing circuit, sample circuit and central controller.Rectifier is by the voltage of input, the three-phase alternating current of changeable frequency is rectified into direct current after by rectifier U9, wave filter is by electric capacity C1, electric capacity C5, electric capacity C6 and resistance R1, resistance R2 composition, electric capacity C1 is Absorption Capacitance, C5, C6 is filter capacitor, R1, R2 is equalizing resistance, one end of electric capacity C1 is connected with the positive output end of rectifier U9, the other end is connected with the negative output terminal of rectifier U9, resistance R1 is in parallel with electric capacity C5, resistance R2 is in parallel with electric capacity C6, electric capacity C5 positive pole is connected with one end of electric capacity C1, electric capacity C5 negative pole is connected with electric capacity C6 is anodal, electric capacity C6 negative pole is connected with the other end of electric capacity C1, the direct current of input is passed through inversion unit U10 inverter output frequency 10 ~ 100kHz high-frequency alternating current by inversion unit, the first side winding two ends input high-frequency alternating current of high frequency main transformer medium/high frequency transformer T3, the secondary side winding two ends of high frequency transformer T3 export, the alternating current that secondary side winding two ends obtain is exported direct current by hf rectifier U13 rectification by high frequency transformer T3, high frequency filter is made up of inductance L 4 and electric capacity C7, one end of inductance L 4 is connected with the positive output end of hf rectifier U13, the other end of inductance L 4 is connected with the positive pole of electric capacity C7, the negative pole of electric capacity C7 is connected with the negative output terminal of hf rectifier U13, the outside positive output end of controller is connected with the positive pole of electric capacity C7, the outside negative output terminal of controller is connected with the negative pole of electric capacity C7, the pin 1 of the power module U15 of high-frequency signal circuit for generating be connected to power supply ' 12V, the pin 2 of power module U15 be connected to power supply ' 0V, the pin 3 of power module U15 obtains power supply-15V, the pin 4 of power module U15 is connected to 0V power supply, the pin 5 of power module U15 obtains power supply+15V, electric capacity C41 connects with electric capacity C42, the negative pole of electric capacity C41 is connected with the pin 3 of power module U15, the positive pole of electric capacity C41 is connected with the pin 4 of power module U15, the positive pole of electric capacity C42 is connected with the pin 5 of power module U15, electric capacity C44 is in parallel with electric capacity C41, electric capacity C43 is in parallel with electric capacity C42, the pin 1 of power module U16 is connected to power supply+15V, the pin 2 of power module U16 is connected to power supply 0V, the positive pole of electric capacity C46 is connected with the pin 3 of power module U16, the negative pole of electric capacity C46 is connected to power supply 0V, electric capacity C45 is in parallel with electric capacity C46, give determining voltage signal QG through electric capacity C9, electric capacity C10, resistance R4, resistance R5, operational amplifier U15, resistance R6, the filter network of electric capacity C11 composition is to 5 pin of control chip U1, for control chip U1 work provides Setting signal, one end of resistance R4 is connected with electric capacity C9, the electric capacity C9 other end is connected to power supply 0V, the other end of resistance R4 is connected with the in-phase input end of operational amplifier U15, resistance R5 is connected with the in-phase input end of operational amplifier U15 with one end after electric capacity C10 parallel connection, the other end is connected to power supply 0V, the inverting input of operational amplifier U15 is connected with output, control chip U1 pin 5 is connected to by resistance R6,The pin 5 of control chip U1 is connected with electric capacity C11 one end, the electric capacity C11 other end is connected to power supply 0V, resistance R7, resistance R8, electric capacity C28, electric capacity C29 makes the control chip U1 work can soft start, resistance R8 is in parallel with electric capacity C29, positive pole and the control chip U1 pin 1 of electric capacity C29, the negative pole of electric capacity C29 is connected to power supply 0V, resistance R7 connects with electric capacity C28, the negative pole of electric capacity C28 is connected to power supply 0V, positive pole and the control chip U1 pin 2 of electric capacity C29, the other end of resistance R7 is connected with control chip U1 pin 1, current sensor U11 samples gained signal through resistance R14 to high frequency transformer primary side current, resistance R15, resistance R16, resistance R17, the filter network of electric capacity C18 composition is to 4 pin of control chip U1, for control chip U1 work provides Setting signal, resistance R16 connects with resistance R17, the other end of resistance R17 is connected with the output of current sensor U11, the other end of resistance R16 is connected with control chip U1 pin 4, control chip U1 pin 4 is by be connected to-15V of resistance R14 power supply, control chip U1 pin 4 is connected to power supply 0V by resistance R15, harmonic compensation electricity routing resistance R11, resistance R12, electric capacity C15, electric capacity C16, operational amplifier U16 composition, the in-phase input end of operational amplifier U16 is connected with control chip U1 pin 8, the inverting input of operational amplifier U16 is connected with output, resistance R11, in parallel with resistance R12 and electric capacity C15 after electric capacity C16 series connection, electric capacity C15 one end is connected with control chip U1 pin 4, the electric capacity C15 other end is connected with operational amplifier U16 output, concussion timing circuit is by resistance R9, resistance R10, electric capacity C12, electric capacity C14 composition, resistance R9 is in parallel with resistance R10, one end is connected with control chip U1 pin 8, the other end is connected to power supply 0V, electric capacity C12 is in parallel with electric capacity C14, one end is connected with control chip U1 pin 9, the other end is connected to power supply 0V, current sensor U11 samples gained signal through resistance R17 to high frequency transformer primary side current, resistance R18, resistance R19, electric capacity C18, electric capacity C19 turns off for control chip U1 provides outside, resistance R17 and resistance R18 are connected in series to control chip U1 pin 16, resistance R19 is in parallel with electric capacity C19, one end is connected with control chip U1 pin 16, the other end is connected to power supply 0V, resistance R13 is the protective resistance of control chip U1 output stage biased voltage input, electric capacity C13, electric capacity C17, electric capacity C30, electric capacity C31 is filter capacitor, resistance R13 one end is connected with control chip U1 pin 15, the resistance R13 other end is connected with control chip U1 pin 13, electric capacity C13 is in parallel with electric capacity C30, one end is connected with control chip U1 pin 15, the other end is connected to power supply 0V, electric capacity C17 is in parallel with electric capacity C31, one end is connected with control chip U1 pin 13, the other end is connected to power supply 0V, by diode D10, diode D11, resistance R20,Resistance R21, resistance R22, resistance R23, triode Q1, triode Q2, triode Q3, triode Q4, resistance R24, electric capacity C20 forms full-bridge circuit, and two paths of signals is through isolating transformer T1, isolating transformer T2, electric capacity C21, electric capacity C22, electric capacity C23, electric capacity C24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, resistance R70, diode D12, diode D13, diode D14, diode D15 becomes four road signals and drives inversion unit, the base stage of triode Q1 is connected with control chip U1 pin 14 by resistance R20, the base stage of triode Q3 is connected with control chip U1 pin 14 by resistance R21, the negative electrode of diode D10 is connected with control chip U1 pin 14, the anode of diode D10 is connected to power supply 0V, the base stage of triode Q2 is connected with control chip U1 pin 11 by resistance R22, the base stage of triode Q4 is connected with control chip U1 pin 11 by resistance R23, the negative electrode of diode D11 is connected with control chip U1 pin 14, the anode of diode D11 is connected to power supply 0V, after being connected with triode Q3 colelctor electrode, triode Q1 colelctor electrode is connected with the pin 1 of isolating transformer T2 with isolating transformer T1, after triode Q2 colelctor electrode is connected with triode Q4 colelctor electrode, be connected with the one end after resistance R24 and electric capacity C20 parallel connection, resistance R24 is connected with the pin 2 of isolating transformer T2 with isolating transformer T1 with the other end after electric capacity C20 parallel connection, triode Q3 emitter stage is connected to power supply 0V, triode Q4 emitter stage is connected to power supply 0V, triode Q1 emitter stage is connected with triode Q2 emitter stage, it is in parallel with resistance R25 after diode D15 connects with resistance R70, diode D15 negative electrode is connected with isolating transformer T1 pin 6, the other end of resistance R70 is connected with electric capacity C21 one end, the electric capacity C21 other end is connected with isolating transformer T1 pin 5, it is in parallel with resistance R26 after diode D12 connects with resistance R29, diode D12 negative electrode is connected with isolating transformer T1 pin 3, the other end of resistance R29 is connected with electric capacity C22 one end, the electric capacity C22 other end is connected with isolating transformer T1 pin 4, it is in parallel with resistance R27 after diode D13 connects with resistance R30, diode D13 negative electrode is connected with isolating transformer T2 pin 6, the other end of resistance R30 is connected with electric capacity C23 one end, the electric capacity C23 other end is connected with isolating transformer T2 pin 5, it is in parallel with resistance R28 after diode D14 connects with resistance R31, diode D14 negative electrode is connected with isolating transformer T2 pin 3, the other end of resistance R31 is connected with electric capacity C24 one end, the electric capacity C24 other end is connected with isolating transformer T2 pin 4, respectively at electric capacity C21, electric capacity C22, electric capacity C23, electric capacity C24 two ends obtain four road signals and drive inversion unit, resistance R54, diode D2, optocoupler U6, resistance R61, R62 component frequency testing circuit,Obtain corresponding frequency signal and send into control chip U8, one end of resistance R54 is connected with the U phase of three-phase alternating current, the other end of resistance R54 is connected with the anode of diode D2, the negative electrode of diode D2 is connected with the pin 1 of optocoupler U6, the pin 2 of optocoupler U6 is connected with the V phase of three-phase alternating current, the pin 3 of optocoupler U6 is connected with one end of R61, be connected to+5V of the other end of R61 power supply, the pin 3 of optocoupler U6 is connected with one end of R62, the other end of R62 is connected to the pin 9 of control chip U8, in signal transacting computing circuit, control chip U8 exports through resistance R63 signal transacting, voltage signal is obtained after electric capacity C4, Setting signal UQG is obtained after the voltage follower of this signal by the C part U3C formation of operational amplifier U3, control chip U8 pin 5 is connected with operational amplifier U3 pin 10 by resistance R63, one end of electric capacity C4 is connected with operational amplifier U3 pin 10, the other end of electric capacity C4 is connected to power supply 0V, operational amplifier U3 pin 8 is connected with operational amplifier U3 pin 9, current sensor that circuit uses is as current mode current sensor, resistance R52 obtains voltage through diode D1, resistance R32, electric capacity C25, inductance L 5, resistance R3, electric capacity C26, the filter network of C27 composition, obtain required voltage, receive the end of oppisite phase of the part A U2A of operational amplifier U2, current sensor U12 samples the signal obtaining by diode D1 to load current, inductance L 5, resistance R3 is connected with operational amplifier U2 pin 2, diode D1 anode exports be connected with sensor, one end of resistance R52 is connected with diode D1 anode, the other end of resistance R52 is connected to power supply 0V, resistance R32 is connected with diode D1 negative electrode with one end after electric capacity C25 parallel connection, the other end is connected to power supply 0V, electric capacity C26 one end is connected with resistance R3 junction with inductance L 5, the electric capacity C26 other end is connected to power supply 0V, electric capacity C27 one end is connected with operational amplifier U2 pin 2, the electric capacity C27 other end is connected to power supply 0V, resistance R40, resistance R41, resistance R42 carries out dividing potential drop to output voltage, voltage sensor gathers the voltage on resistance R42, voltage sensor that circuit uses is as current mode voltage sensor, resistance R44 obtains required voltage, this voltage and Setting signal UQG are through the part B U3B by operational amplifier U3, resistance R43, resistance R45, resistance R46, resistance R47, resistance R48, the voltage that the voltage signal that obtains after the P adjuster of resistance R49 composition obtains after the voltage follower of the part A U3A of operational amplifier U3 composition is by resistance R37, resistance R38, resistance R39, diode D9, diode D6, diode D5 discharges and recharges network electric capacity C8 is discharged and recharged, electric capacity C8 obtains to determining voltage signal QG, the outside positive output end of controller is by resistance R40, resistance R41 and resistance R42 are connected in series to the outside negative output terminal of controller, voltage sensor U14 pin 1 is connected with resistance R42 junction with resistance R40,Voltage sensor U14 pin 2 is connected with resistance R42 junction with resistance R41, voltage sensor U14 pin 3 is connected to power supply 0V with resistance R44 one end, voltage sensor U14 pin 4 is connected with the resistance R44 other end, voltage sensor U14 pin 4 is connected with operational amplifier U2 pin 6, voltage sensor U14 pin 4 is connected with operational amplifier U3 pin 6 by resistance R45, operational amplifier U3 pin 6 is connected with operational amplifier U3 pin 7 by resistance R43, operational amplifier U3 pin 6 is connected to power supply 0V by resistance R46, operational amplifier U3 pin 6 is by be connected to+5V of resistance R48 power supply, operational amplifier U3 pin 5 is connected to power supply 0V by resistance R49, operational amplifier U3 pin 5 is connected with operational amplifier U3 pin 8 by resistance R48, operational amplifier U3 pin 7 is connected with operational amplifier U3 pin 3, operational amplifier U3 pin 1 is connected with operational amplifier U3 pin 2, it is in parallel with resistance R38 after resistance R39 connects with diode D9, diode D9 negative electrode is connected with operational amplifier U3 pin 1, the other end of resistance R39 is connected with electric capacity C8 is anodal, electric capacity C8 negative pole is connected to power supply 0V, resistance R37 connects with diode D6, the other end of resistance R37 is connected with electric capacity C8 is anodal, diode D6 negative electrode is connected with operational amplifier U2 pin 1, diode D5 anode is connected with diode D6 anode, diode D5 negative electrode is connected with operational amplifier U2 pin 7, resistance R51, diode D8 forms current protection indicating circuit, part A U2A and the resistance R50 of operational amplifier U2 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on R34, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output current by adjusting resistance R34 value, resistance R34 pin 1 be connected to+5V power supply, resistance R34 pin 3 is connected to power supply 0V, resistance R34 pin 2 is connected with operational amplifier U2 pin 3, operational amplifier U2 pin 3 is connected with operational amplifier U2 pin 1 by resistance R50, resistance R51 is connected with diode D8, be connected to+5V of diode D8 anode power supply, the resistance R51 other end be connected with operational amplifier U2 pin 1, resistance R36, diode D7 forms overvoltage indicating circuit, part B U2B and the resistance R35 of operational amplifier U2 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on R33, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output voltage by adjusting resistance R33 value, resistance R33 pin 1 be connected to+5V power supply, resistance R33 pin 3 is connected to power supply 0V, resistance R33 pin 2 is connected with operational amplifier U2 pin 5, operational amplifier U2 pin 5 is connected with operational amplifier U2 pin 7 by resistance R35, resistance R36 and diode D7,Diode D7 negative electrode be connected with operational amplifier U2 pin 7, be connected to+5V of resistance R51 other end power supply, the current sensor U11 of sample circuit samples to high frequency transformer primary side current, current sensor U12 samples to load current, voltage sensor U14 samples to load voltage, connector J3, resistance R56, optocoupler U5, resistance R59, resistance R60 forms temperature sampling circuit, obtain corresponding temperature signal and send into control chip U8, the pin 1 of optocoupler U5 by resistance R56 be connected to ' 12V power supply, the pin 2 of optocoupler U5 is connected with the pin 2 of binding post J3, the pin 1 of binding post J3 be connected to power supply ' 0V, the pin 4 of optocoupler U5 is by be connected to+5V of resistance R59 power supply, the pin 3 of optocoupler U5 is connected to power supply 0V, one end of resistance R60 is connected with the pin 4 of optocoupler U5, one end of resistance R60 is connected with the pin 10 of control chip U8, programming port J1, resistance R53, control chip U8, electric capacity C2, electric capacity C3, crystal oscillator Y1 forms central controller, electric capacity C2, electric capacity C3, crystal oscillator Y1 forms clock circuit, for control chip U8 provides operating clock signals, one end of electric capacity C2 is connected with one end of crystal oscillator Y1, the other end of electric capacity C2 is connected to power supply 0V, one end of electric capacity C3 is connected with the other end of crystal oscillator Y1, the other end of electric capacity C3 is connected to power supply 0V, one end of crystal oscillator Y1 is connected with the pin 2 of control chip U8, the other end of crystal oscillator Y1 is connected with the pin 3 of control chip U8, the pin 1 of programming port J1 is connected with the pin 4 of control chip U8, be connected to+5V of pin 2 power supply of programming port J1, the pin 3 of programming port J1 is connected to power supply 0V, the pin 4 of programming port J1 is connected with the pin 13 of control chip U8, the pin 5 of programming port J1 is connected with the pin 12 of control chip U8.Main circuit and control circuit are installed in housing.
The utility model has the advantage of: can convert voltage variable (150～380V), the variable three-phase alternating current of frequency (20Hz ~ 50Hz) to meet direct current machine operating characteristic voltage, the direct voltage of output is synchronizeed and is changed with the a-c cycle of input, while being arranged in electric automobile or electronic engineering machinery, can realize internal combustion engine generator group and be operated in speed variable operating mode, by the gas pedal of unit prime mover (gasoline engine, diesel engine or natural gas engine), control the running rotating speed of unit, make unit to the alternating current of natural frequency conversion of controller output, transformation.By this controller, be that one of direct-drive motor output meets direct current machine drive characteristic and voltage and synchronizes the direct current of variation with incoming frequency, thereby realize by unit prime mover gas pedal, control the infinitely variable speeds of direct current movable motor, reach the walk object of characteristic of simulated automotive, reduce the noise producing in walking process, reduce mechanical wear and energy resource consumption; In addition, the utility model inverter circuit has adopted high frequency main transformer, compares with the drive circuit of existing employing Industrial Frequency Transformer, has significantly reduced equipment volume and weight, has improved efficiency, has reduced equipment cost.
Accompanying drawing explanation
Fig. 1 is the utility model circuit connecting relation schematic diagram;
Fig. 2 is one of the utility model electrical schematic diagram, and Fig. 2 right part and Fig. 3 left part join;
Fig. 3 is two of the utility model electrical schematic diagram, and Fig. 3 left part and Fig. 2 right part join, and Fig. 3 right part and Fig. 4 left part join;
Fig. 4 is three of the utility model electrical schematic diagram, and Fig. 4 left part and Fig. 3 right part join;
Fig. 5 is the utility model structural representation, is mainly depicted as main circuit and control circuit is arranged in housing in figure.
Embodiment
Frequency conversion input inversion type direct-current machine driving governor described in the utility model comprises main circuit 61 and control circuit 62, main circuit 61 comprises rectifier 1, the output of rectifier 1 is connected with the input of filter 2, the output of filter 2 is connected with the input of inversion unit 3, the output of inversion unit 3 is connected with the input of high frequency main transformer 4, the output of high frequency main transformer 4 is connected with the input of hf rectifier 5, the output of hf rectifier 5 is connected with the input of high frequency filter 6, control circuit 62 comprises high-frequency signal circuit for generating 7, frequency detection circuit 8, signal is processed computing circuit 9, sample circuit 10 and central controller 11.The main circuit of this controller of the utility model adopts the inverter circuit of " interchange-rectification-inversion-step-down-rectification again ", control circuit adopts " Synchronization Control " circuit, the internal combustion engine generator group as power is operated in speed variable operating mode, by transducer, gather the frequency signal of the rotating speed of generating set or the AC power of output, control the VD value of this controller, the direct voltage of output and the Frequency Synchronization of input AC electricity are changed, control and adjust the rotating speed of direct current machine, thereby by unit prime mover gas pedal control chassis, realizing infinitely variable speeds walks, not only reduced energy consumption when walk in chassis, reach the object of raising the efficiency and reducing costs greatly, the noise that while reducing chassis walking, generating set sends simultaneously, can also make the volume and weight of complete machine reduce widely, can also and make motor vehicle simulated automotive walking operating mode become possibility.
The annexation of main circuit 61 described in the utility model and control circuit 62 is as follows: rectifier 1 is by the voltage of input, the three-phase alternating current of changeable frequency is rectified into direct current after by rectifier U9, wave filter 2 is by electric capacity C1, electric capacity C5, electric capacity C6 and resistance R1, resistance R2 composition, electric capacity C1 is Absorption Capacitance, C5, C6 is filter capacitor, R1, R2 is equalizing resistance, one end of electric capacity C1 is connected with the positive output end of rectifier U9, the other end is connected with the negative output terminal of rectifier U9, resistance R1 is in parallel with electric capacity C5, resistance R2 is in parallel with electric capacity C6, electric capacity C5 positive pole is connected with one end of electric capacity C1, electric capacity C5 negative pole is connected with electric capacity C6 is anodal, electric capacity C6 negative pole is connected with the other end of electric capacity C1, the direct current of input is passed through inversion unit U10 inverter output frequency 10 ~ 100kHz high-frequency alternating current by inversion unit 3, the first side winding two ends input high-frequency alternating current of high frequency main transformer 4 medium/high frequency transformer T3, the secondary side winding two ends of high frequency transformer T3 export, the alternating current that secondary side winding two ends obtain is exported direct current by hf rectifier 5U13 rectification by high frequency transformer T3, high frequency filter 6 is made up of inductance L 4 and electric capacity C7, one end of inductance L 4 is connected with the positive output end of hf rectifier U13, the other end of inductance L 4 is connected with the positive pole of electric capacity C7, the negative pole of electric capacity C7 is connected with the negative output terminal of hf rectifier U13, the outside positive output end of controller is connected with the positive pole of electric capacity C7, the outside negative output terminal of controller is connected with the negative pole of electric capacity C7, the pin 1 of the power module U15 of high-frequency signal circuit for generating 7 be connected to power supply ' 12V, the pin 2 of power module U15 be connected to power supply ' 0V, the pin 3 of power module U15 obtains power supply-15V, the pin 4 of power module U15 is connected to 0V power supply, the pin 5 of power module U15 obtains power supply+15V, electric capacity C41 connects with electric capacity C42, the negative pole of electric capacity C41 is connected with the pin 3 of power module U15, the positive pole of electric capacity C41 is connected with the pin 4 of power module U15, the positive pole of electric capacity C42 is connected with the pin 5 of power module U15, electric capacity C44 is in parallel with electric capacity C41, electric capacity C43 is in parallel with electric capacity C42, the pin 1 of power module U16 is connected to power supply+15V, the pin 2 of power module U16 is connected to power supply 0V, the positive pole of electric capacity C46 is connected with the pin 3 of power module U16, the negative pole of electric capacity C46 is connected to power supply 0V, electric capacity C45 is in parallel with electric capacity C46, give determining voltage signal QG through electric capacity C9, electric capacity C10, resistance R4, resistance R5, operational amplifier U15, resistance R6, the filter network of electric capacity C11 composition is to 5 pin of control chip U1, for control chip U1 work provides Setting signal, one end of resistance R4 is connected with electric capacity C9, the electric capacity C9 other end is connected to power supply 0V, the other end of resistance R4 is connected with the in-phase input end of operational amplifier U15, resistance R5 is connected with the in-phase input end of operational amplifier U15 with one end after electric capacity C10 parallel connection, the other end is connected to power supply 0V,The inverting input of operational amplifier U15 is connected with output, control chip U1 pin 5 is connected to by resistance R6, the pin 5 of control chip U1 is connected with electric capacity C11 one end, the electric capacity C11 other end is connected to power supply 0V, resistance R7, resistance R8, electric capacity C28, electric capacity C29 makes the control chip U1 work can soft start, resistance R8 is in parallel with electric capacity C29, positive pole and the control chip U1 pin 1 of electric capacity C29, the negative pole of electric capacity C29 is connected to power supply 0V, resistance R7 connects with electric capacity C28, the negative pole of electric capacity C28 is connected to power supply 0V, positive pole and the control chip U1 pin 2 of electric capacity C29, the other end of resistance R7 is connected with control chip U1 pin 1, current sensor U11 samples gained signal through resistance R14 to high frequency transformer primary side current, resistance R15, resistance R16, resistance R17, the filter network of electric capacity C18 composition is to 4 pin of control chip U1, for control chip U1 work provides Setting signal, resistance R16 connects with resistance R17, the other end of resistance R17 is connected with the output of current sensor U11, the other end of resistance R16 is connected with control chip U1 pin 4, control chip U1 pin 4 is by be connected to-15V of resistance R14 power supply, control chip U1 pin 4 is connected to power supply 0V by resistance R15, harmonic compensation electricity routing resistance R11, resistance R12, electric capacity C15, electric capacity C16, operational amplifier U16 composition, the in-phase input end of operational amplifier U16 is connected with control chip U1 pin 8, the inverting input of operational amplifier U16 is connected with output, resistance R11, in parallel with resistance R12 and electric capacity C15 after electric capacity C16 series connection, electric capacity C15 one end is connected with control chip U1 pin 4, the electric capacity C15 other end is connected with operational amplifier U16 output, concussion timing circuit is by resistance R9, resistance R10, electric capacity C12, electric capacity C14 composition, resistance R9 is in parallel with resistance R10, one end is connected with control chip U1 pin 8, the other end is connected to power supply 0V, electric capacity C12 is in parallel with electric capacity C14, one end is connected with control chip U1 pin 9, the other end is connected to power supply 0V, current sensor U11 samples gained signal through resistance R17 to high frequency transformer primary side current, resistance R18, resistance R19, electric capacity C18, electric capacity C19 turns off for control chip U1 provides outside, resistance R17 and resistance R18 are connected in series to control chip U1 pin 16, resistance R19 is in parallel with electric capacity C19, one end is connected with control chip U1 pin 16, the other end is connected to power supply 0V, resistance R13 is the protective resistance of control chip U1 output stage biased voltage input, electric capacity C13, electric capacity C17, electric capacity C30, electric capacity C31 is filter capacitor, resistance R13 one end is connected with control chip U1 pin 15, the resistance R13 other end is connected with control chip U1 pin 13, electric capacity C13 is in parallel with electric capacity C30, one end is connected with control chip U1 pin 15, the other end is connected to power supply 0V, electric capacity C17 is in parallel with electric capacity C31,One end is connected with control chip U1 pin 13, and the other end is connected to power supply 0V, by diode D10, diode D11, resistance R20, resistance R21, resistance R22, resistance R23, triode Q1, triode Q2, triode Q3, triode Q4, resistance R24, electric capacity C20 forms full-bridge circuit, and two paths of signals is through isolating transformer T1, isolating transformer T2, electric capacity C21, electric capacity C22, electric capacity C23, electric capacity C24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, resistance R70, diode D12, diode D13, diode D14, diode D15 becomes four road signals and drives inversion unit, the base stage of triode Q1 is connected with control chip U1 pin 14 by resistance R20, the base stage of triode Q3 is connected with control chip U1 pin 14 by resistance R21, the negative electrode of diode D10 is connected with control chip U1 pin 14, the anode of diode D10 is connected to power supply 0V, the base stage of triode Q2 is connected with control chip U1 pin 11 by resistance R22, the base stage of triode Q4 is connected with control chip U1 pin 11 by resistance R23, the negative electrode of diode D11 is connected with control chip U1 pin 14, the anode of diode D11 is connected to power supply 0V, after being connected with triode Q3 colelctor electrode, triode Q1 colelctor electrode is connected with the pin 1 of isolating transformer T2 with isolating transformer T1, after triode Q2 colelctor electrode is connected with triode Q4 colelctor electrode, be connected with the one end after resistance R24 and electric capacity C20 parallel connection, resistance R24 is connected with the pin 2 of isolating transformer T2 with isolating transformer T1 with the other end after electric capacity C20 parallel connection, triode Q3 emitter stage is connected to power supply 0V, triode Q4 emitter stage is connected to power supply 0V, triode Q1 emitter stage is connected with triode Q2 emitter stage, it is in parallel with resistance R25 after diode D15 connects with resistance R70, diode D15 negative electrode is connected with isolating transformer T1 pin 6, the other end of resistance R70 is connected with electric capacity C21 one end, the electric capacity C21 other end is connected with isolating transformer T1 pin 5, it is in parallel with resistance R26 after diode D12 connects with resistance R29, diode D12 negative electrode is connected with isolating transformer T1 pin 3, the other end of resistance R29 is connected with electric capacity C22 one end, the electric capacity C22 other end is connected with isolating transformer T1 pin 4, it is in parallel with resistance R27 after diode D13 connects with resistance R30, diode D13 negative electrode is connected with isolating transformer T2 pin 6, the other end of resistance R30 is connected with electric capacity C23 one end, the electric capacity C23 other end is connected with isolating transformer T2 pin 5, it is in parallel with resistance R28 after diode D14 connects with resistance R31, diode D14 negative electrode is connected with isolating transformer T2 pin 3, the other end of resistance R31 is connected with electric capacity C24 one end, the electric capacity C24 other end is connected with isolating transformer T2 pin 4, respectively at electric capacity C21, electric capacity C22, electric capacity C23,Electric capacity C24 two ends obtain four road signals and drive inversion unit, resistance R54, diode D2, optocoupler U6, resistance R61, R62 component frequency testing circuit 8, obtain corresponding frequency signal and send into control chip U8, one end of resistance R54 is connected with the U phase of three-phase alternating current, the other end of resistance R54 is connected with the anode of diode D2, the negative electrode of diode D2 is connected with the pin 1 of optocoupler U6, the pin 2 of optocoupler U6 is connected with the V phase of three-phase alternating current, the pin 3 of optocoupler U6 is connected with one end of R61, be connected to+5V of the other end of R61 power supply, the pin 3 of optocoupler U6 is connected with one end of R62, the other end of R62 is connected to the pin 9 of control chip U8, in signal transacting computing circuit 9, control chip U8 exports through resistance R63 signal transacting, voltage signal is obtained after electric capacity C4, Setting signal UQG is obtained after the voltage follower of this signal by the C part U3C formation of operational amplifier U3, control chip U8 pin 5 is connected with operational amplifier U3 pin 10 by resistance R63, one end of electric capacity C4 is connected with operational amplifier U3 pin 10, the other end of electric capacity C4 is connected to power supply 0V, operational amplifier U3 pin 8 is connected with operational amplifier U3 pin 9, current sensor that circuit uses is as current mode current sensor, resistance R52 obtains voltage through diode D1, resistance R32, electric capacity C25, inductance L 5, resistance R3, electric capacity C26, the filter network of C27 composition, obtain required voltage, receive the end of oppisite phase of the part A U2A of operational amplifier U2, current sensor U12 samples the signal obtaining by diode D1 to load current, inductance L 5, resistance R3 is connected with operational amplifier U2 pin 2, diode D1 anode exports be connected with sensor, one end of resistance R52 is connected with diode D1 anode, the other end of resistance R52 is connected to power supply 0V, resistance R32 is connected with diode D1 negative electrode with one end after electric capacity C25 parallel connection, the other end is connected to power supply 0V, electric capacity C26 one end is connected with resistance R3 junction with inductance L 5, the electric capacity C26 other end is connected to power supply 0V, electric capacity C27 one end is connected with operational amplifier U2 pin 2, the electric capacity C27 other end is connected to power supply 0V, resistance R40, resistance R41, resistance R42 carries out dividing potential drop to output voltage, voltage sensor gathers the voltage on resistance R42, voltage sensor that circuit uses is as current mode voltage sensor, resistance R44 obtains required voltage, this voltage and Setting signal UQG are through the part B U3B by operational amplifier U3, resistance R43, resistance R45, resistance R46, resistance R47, resistance R48, the voltage that the voltage signal that obtains after the P adjuster of resistance R49 composition obtains after the voltage follower of the part A U3A of operational amplifier U3 composition is by resistance R37, resistance R38, resistance R39, diode D9, diode D6, diode D5 discharges and recharges network electric capacity C8 is discharged and recharged, electric capacity C8 obtains to determining voltage signal QG, the outside positive output end of controller is by resistance R40,Resistance R41 and resistance R42 are connected in series to the outside negative output terminal of controller, voltage sensor U14 pin 1 is connected with resistance R42 junction with resistance R40, voltage sensor U14 pin 2 is connected with resistance R42 junction with resistance R41, voltage sensor U14 pin 3 is connected to power supply 0V with resistance R44 one end, voltage sensor U14 pin 4 is connected with the resistance R44 other end, voltage sensor U14 pin 4 is connected with operational amplifier U2 pin 6, voltage sensor U14 pin 4 is connected with operational amplifier U3 pin 6 by resistance R45, operational amplifier U3 pin 6 is connected with operational amplifier U3 pin 7 by resistance R43, operational amplifier U3 pin 6 is connected to power supply 0V by resistance R46, operational amplifier U3 pin 6 is by be connected to+5V of resistance R48 power supply, operational amplifier U3 pin 5 is connected to power supply 0V by resistance R49, operational amplifier U3 pin 5 is connected with operational amplifier U3 pin 8 by resistance R48, operational amplifier U3 pin 7 is connected with operational amplifier U3 pin 3, operational amplifier U3 pin 1 is connected with operational amplifier U3 pin 2, it is in parallel with resistance R38 after resistance R39 connects with diode D9, diode D9 negative electrode is connected with operational amplifier U3 pin 1, the other end of resistance R39 is connected with electric capacity C8 is anodal, electric capacity C8 negative pole is connected to power supply 0V, resistance R37 connects with diode D6, the other end of resistance R37 is connected with electric capacity C8 is anodal, diode D6 negative electrode is connected with operational amplifier U2 pin 1, diode D5 anode is connected with diode D6 anode, diode D5 negative electrode is connected with operational amplifier U2 pin 7, resistance R51, diode D8 forms current protection indicating circuit, part A U2A and the resistance R50 of operational amplifier U2 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on R34, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output current by adjusting resistance R34 value, resistance R34 pin 1 be connected to+5V power supply, resistance R34 pin 3 is connected to power supply 0V, resistance R34 pin 2 is connected with operational amplifier U2 pin 3, operational amplifier U2 pin 3 is connected with operational amplifier U2 pin 1 by resistance R50, resistance R51 is connected with diode D8, be connected to+5V of diode D8 anode power supply, the resistance R51 other end be connected with operational amplifier U2 pin 1, resistance R36, diode D7 forms overvoltage indicating circuit, part B U2B and the resistance R35 of operational amplifier U2 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on R33, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output voltage by adjusting resistance R33 value, resistance R33 pin 1 be connected to+5V power supply, resistance R33 pin 3 is connected to power supply 0V,Resistance R33 pin 2 is connected with operational amplifier U2 pin 5, operational amplifier U2 pin 5 is connected with operational amplifier U2 pin 7 by resistance R35, resistance R36 and diode D7, diode D7 negative electrode be connected with operational amplifier U2 pin 7, be connected to+5V of resistance R51 other end power supply, the current sensor U11 of sample circuit 10 samples to high frequency transformer primary side current, current sensor U12 samples to load current, voltage sensor U14 samples to load voltage, connector J3, resistance R56, optocoupler U5, resistance R59, resistance R60 forms temperature sampling circuit, obtain corresponding temperature signal and send into control chip U8, the pin 1 of optocoupler U5 by resistance R56 be connected to ' 12V power supply, the pin 2 of optocoupler U5 is connected with the pin 2 of binding post J3, the pin 1 of binding post J3 be connected to power supply ' 0V, the pin 4 of optocoupler U5 is by be connected to+5V of resistance R59 power supply, the pin 3 of optocoupler U5 is connected to power supply 0V, one end of resistance R60 is connected with the pin 4 of optocoupler U5, one end of resistance R60 is connected with the pin 10 of control chip U8, programming port J1, resistance R53, control chip U8, electric capacity C2, electric capacity C3, crystal oscillator Y1 forms central controller 11, electric capacity C2, electric capacity C3, crystal oscillator Y1 forms clock circuit, for control chip U8 provides operating clock signals, one end of electric capacity C2 is connected with one end of crystal oscillator Y1, the other end of electric capacity C2 is connected to power supply 0V, one end of electric capacity C3 is connected with the other end of crystal oscillator Y1, the other end of electric capacity C3 is connected to power supply 0V, one end of crystal oscillator Y1 is connected with the pin 2 of control chip U8, the other end of crystal oscillator Y1 is connected with the pin 3 of control chip U8, the pin 1 of programming port J1 is connected with the pin 4 of control chip U8, be connected to+5V of pin 2 power supply of programming port J1, the pin 3 of programming port J1 is connected to power supply 0V, the pin 4 of programming port J1 is connected with the pin 13 of control chip U8, the pin 5 of programming port J1 is connected with the pin 12 of control chip U8.That said structure has advantages of is stable, failure rate is low, control precision is high, cost is relatively cheap.
The utility model can be installed in main circuit 61 and control circuit 62 in housing 14, makes an independently controller unit, is convenient to be connected with other parts of vehicle.
Claims (3)
1. inversion type direct-current machine driving governor is inputted in frequency conversion, it is characterized in that: comprise main circuit (61) and control circuit (62), main circuit (61) comprises rectifier (1), the output of rectifier (1) is connected with the input of filter (2), the output of filter (2) is connected with the input of inversion unit (3), the output of inversion unit (3) is connected with the input of high frequency main transformer (4), the output of high frequency main transformer (4) is connected with the input of hf rectifier (5), the output of hf rectifier (5) is connected with the input of high frequency filter (6), control circuit (62) comprises high-frequency signal circuit for generating (7), frequency detection circuit (8), signal is processed computing circuit (9), sample circuit (10) and central controller (11).
2. frequency conversion input inversion type direct-current machine driving governor according to claim 1, it is characterized in that: the annexation of main circuit (61) and control circuit (62) is as follows: rectifier (1) is by the voltage of input, the three-phase alternating current of changeable frequency is rectified into direct current after by rectifier U9, wave filter (2) is by electric capacity C1, electric capacity C5, electric capacity C6 and resistance R1, resistance R2 composition, electric capacity C1 is Absorption Capacitance, C5, C6 is filter capacitor, R1, R2 is equalizing resistance, one end of electric capacity C1 is connected with the positive output end of rectifier U9, the other end is connected with the negative output terminal of rectifier U9, resistance R1 is in parallel with electric capacity C5, resistance R2 is in parallel with electric capacity C6, electric capacity C5 positive pole is connected with one end of electric capacity C1, electric capacity C5 negative pole is connected with electric capacity C6 is anodal, electric capacity C6 negative pole is connected with the other end of electric capacity C1, the direct current of input is passed through inversion unit U10 inverter output frequency 10 ~ 100kHz high-frequency alternating current by inversion unit (3), the first side winding two ends input high-frequency alternating current of high frequency main transformer (4) medium/high frequency transformer T3, the secondary side winding two ends of high frequency transformer T3 export, the alternating current that secondary side winding two ends obtain is exported direct current by hf rectifier (5) U13 rectification by high frequency transformer T3, high frequency filter (6) is made up of inductance L 4 and electric capacity C7, one end of inductance L 4 is connected with the positive output end of hf rectifier U13, the other end of inductance L 4 is connected with the positive pole of electric capacity C7, the negative pole of electric capacity C7 is connected with the negative output terminal of hf rectifier U13, the outside positive output end of controller is connected with the positive pole of electric capacity C7, the outside negative output terminal of controller is connected with the negative pole of electric capacity C7, the pin 1 of the power module U15 of high-frequency signal circuit for generating (7) be connected to power supply ' 12V, the pin 2 of power module U15 be connected to power supply ' 0V, the pin 3 of power module U15 obtains power supply-15V, the pin 4 of power module U15 is connected to 0V power supply, the pin 5 of power module U15 obtains power supply+15V, electric capacity C41 connects with electric capacity C42, the negative pole of electric capacity C41 is connected with the pin 3 of power module U15, the positive pole of electric capacity C41 is connected with the pin 4 of power module U15, the positive pole of electric capacity C42 is connected with the pin 5 of power module U15, electric capacity C44 is in parallel with electric capacity C41, electric capacity C43 is in parallel with electric capacity C42, the pin 1 of power module U16 is connected to power supply+15V, the pin 2 of power module U16 is connected to power supply 0V, the positive pole of electric capacity C46 is connected with the pin 3 of power module U16, the negative pole of electric capacity C46 is connected to power supply 0V, electric capacity C45 is in parallel with electric capacity C46, give determining voltage signal QG through electric capacity C9, electric capacity C10, resistance R4, resistance R5, operational amplifier U15, resistance R6, the filter network of electric capacity C11 composition is to 5 pin of control chip U1, for control chip U1 work provides Setting signal, one end of resistance R4 is connected with electric capacity C9, the electric capacity C9 other end is connected to power supply 0V, the other end of resistance R4 is connected with the in-phase input end of operational amplifier U15,Resistance R5 is connected with the in-phase input end of operational amplifier U15 with one end after electric capacity C10 parallel connection, the other end is connected to power supply 0V, the inverting input of operational amplifier U15 is connected with output, control chip U1 pin 5 is connected to by resistance R6, the pin 5 of control chip U1 is connected with electric capacity C11 one end, the electric capacity C11 other end is connected to power supply 0V, resistance R7, resistance R8, electric capacity C28, electric capacity C29 makes the control chip U1 work can soft start, resistance R8 is in parallel with electric capacity C29, positive pole and the control chip U1 pin 1 of electric capacity C29, the negative pole of electric capacity C29 is connected to power supply 0V, resistance R7 connects with electric capacity C28, the negative pole of electric capacity C28 is connected to power supply 0V, positive pole and the control chip U1 pin 2 of electric capacity C29, the other end of resistance R7 is connected with control chip U1 pin 1, current sensor U11 samples gained signal through resistance R14 to high frequency transformer primary side current, resistance R15, resistance R16, resistance R17, the filter network of electric capacity C18 composition is to 4 pin of control chip U1, for control chip U1 work provides Setting signal, resistance R16 connects with resistance R17, the other end of resistance R17 is connected with the output of current sensor U11, the other end of resistance R16 is connected with control chip U1 pin 4, control chip U1 pin 4 is by be connected to-15V of resistance R14 power supply, control chip U1 pin 4 is connected to power supply 0V by resistance R15, harmonic compensation electricity routing resistance R11, resistance R12, electric capacity C15, electric capacity C16, operational amplifier U16 composition, the in-phase input end of operational amplifier U16 is connected with control chip U1 pin 8, the inverting input of operational amplifier U16 is connected with output, resistance R11, in parallel with resistance R12 and electric capacity C15 after electric capacity C16 series connection, electric capacity C15 one end is connected with control chip U1 pin 4, the electric capacity C15 other end is connected with operational amplifier U16 output, concussion timing circuit is by resistance R9, resistance R10, electric capacity C12, electric capacity C14 composition, resistance R9 is in parallel with resistance R10, one end is connected with control chip U1 pin 8, the other end is connected to power supply 0V, electric capacity C12 is in parallel with electric capacity C14, one end is connected with control chip U1 pin 9, the other end is connected to power supply 0V, current sensor U11 samples gained signal through resistance R17 to high frequency transformer primary side current, resistance R18, resistance R19, electric capacity C18, electric capacity C19 turns off for control chip U1 provides outside, resistance R17 and resistance R18 are connected in series to control chip U1 pin 16, resistance R19 is in parallel with electric capacity C19, one end is connected with control chip U1 pin 16, the other end is connected to power supply 0V, resistance R13 is the protective resistance of control chip U1 output stage biased voltage input, electric capacity C13, electric capacity C17, electric capacity C30, electric capacity C31 is filter capacitor, resistance R13 one end is connected with control chip U1 pin 15, the resistance R13 other end is connected with control chip U1 pin 13, electric capacity C13 is in parallel with electric capacity C30,One end is connected with control chip U1 pin 15, and the other end is connected to power supply 0V, and electric capacity C17 is in parallel with electric capacity C31, and one end is connected with control chip U1 pin 13, and the other end is connected to power supply 0V, by diode D10, diode D11, resistance R20, resistance R21, resistance R22, resistance R23, triode Q1, triode Q2, triode Q3, triode Q4, resistance R24, electric capacity C20 forms full-bridge circuit, and two paths of signals is through isolating transformer T1, isolating transformer T2, electric capacity C21, electric capacity C22, electric capacity C23, electric capacity C24, resistance R25, resistance R26, resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, resistance R70, diode D12, diode D13, diode D14, diode D15 becomes four road signals and drives inversion unit, the base stage of triode Q1 is connected with control chip U1 pin 14 by resistance R20, the base stage of triode Q3 is connected with control chip U1 pin 14 by resistance R21, the negative electrode of diode D10 is connected with control chip U1 pin 14, the anode of diode D10 is connected to power supply 0V, the base stage of triode Q2 is connected with control chip U1 pin 11 by resistance R22, the base stage of triode Q4 is connected with control chip U1 pin 11 by resistance R23, the negative electrode of diode D11 is connected with control chip U1 pin 14, the anode of diode D11 is connected to power supply 0V, after being connected with triode Q3 colelctor electrode, triode Q1 colelctor electrode is connected with the pin 1 of isolating transformer T2 with isolating transformer T1, after triode Q2 colelctor electrode is connected with triode Q4 colelctor electrode, be connected with the one end after resistance R24 and electric capacity C20 parallel connection, resistance R24 is connected with the pin 2 of isolating transformer T2 with isolating transformer T1 with the other end after electric capacity C20 parallel connection, triode Q3 emitter stage is connected to power supply 0V, triode Q4 emitter stage is connected to power supply 0V, triode Q1 emitter stage is connected with triode Q2 emitter stage, it is in parallel with resistance R25 after diode D15 connects with resistance R70, diode D15 negative electrode is connected with isolating transformer T1 pin 6, the other end of resistance R70 is connected with electric capacity C21 one end, the electric capacity C21 other end is connected with isolating transformer T1 pin 5, it is in parallel with resistance R26 after diode D12 connects with resistance R29, diode D12 negative electrode is connected with isolating transformer T1 pin 3, the other end of resistance R29 is connected with electric capacity C22 one end, the electric capacity C22 other end is connected with isolating transformer T1 pin 4, it is in parallel with resistance R27 after diode D13 connects with resistance R30, diode D13 negative electrode is connected with isolating transformer T2 pin 6, the other end of resistance R30 is connected with electric capacity C23 one end, the electric capacity C23 other end is connected with isolating transformer T2 pin 5, it is in parallel with resistance R28 after diode D14 connects with resistance R31, diode D14 negative electrode is connected with isolating transformer T2 pin 3, the other end of resistance R31 is connected with electric capacity C24 one endThe electric capacity C24 other end is connected with isolating transformer T2 pin 4, respectively at electric capacity C21, electric capacity C22, electric capacity C23, electric capacity C24 two ends obtain four road signals and drive inversion unit, resistance R54, diode D2, optocoupler U6, resistance R61, R62 component frequency testing circuit (8), obtain corresponding frequency signal and send into control chip U8, one end of resistance R54 is connected with the U phase of three-phase alternating current, the other end of resistance R54 is connected with the anode of diode D2, the negative electrode of diode D2 is connected with the pin 1 of optocoupler U6, the pin 2 of optocoupler U6 is connected with the V phase of three-phase alternating current, the pin 3 of optocoupler U6 is connected with one end of R61, be connected to+5V of the other end of R61 power supply, the pin 3 of optocoupler U6 is connected with one end of R62, the other end of R62 is connected to the pin 9 of control chip U8, and in signal transacting computing circuit (9), control chip U8 exports through resistance R63 signal transacting, voltage signal is obtained after electric capacity C4, Setting signal UQG is obtained after the voltage follower of this signal by the C part U3C formation of operational amplifier U3, control chip U8 pin 5 is connected with operational amplifier U3 pin 10 by resistance R63, one end of electric capacity C4 is connected with operational amplifier U3 pin 10, the other end of electric capacity C4 is connected to power supply 0V, operational amplifier U3 pin 8 is connected with operational amplifier U3 pin 9, current sensor that circuit uses as current mode current sensor, resistance R52 obtains voltage through diode D1, resistance R32, electric capacity C25, inductance L 5, resistance R3, electric capacity C26, the filter network of C27 composition, obtains required voltage, receives the end of oppisite phase of the part A U2A of operational amplifier U2, and current sensor U12 samples the signal obtaining by diode D1 to load current, inductance L 5, resistance R3 is connected with operational amplifier U2 pin 2, diode D1 anode exports be connected with sensor, one end of resistance R52 is connected with diode D1 anode, the other end of resistance R52 is connected to power supply 0V, resistance R32 is connected with diode D1 negative electrode with one end after electric capacity C25 parallel connection, the other end is connected to power supply 0V, electric capacity C26 one end is connected with resistance R3 junction with inductance L 5, the electric capacity C26 other end is connected to power supply 0V, electric capacity C27 one end is connected with operational amplifier U2 pin 2, the electric capacity C27 other end is connected to power supply 0V, resistance R40, resistance R41, resistance R42 carries out dividing potential drop to output voltage, voltage sensor gathers the voltage on resistance R42, voltage sensor that circuit uses is as current mode voltage sensor, and resistance R44 obtains required voltage, and this voltage and Setting signal UQG are through the part B U3B by operational amplifier U3, resistance R43, resistance R45, resistance R46, resistance R47, resistance R48, the voltage that the voltage signal that obtains after the P adjuster of resistance R49 composition obtains after the voltage follower of the part A U3A of operational amplifier U3 composition is by resistance R37, resistance R38, resistance R39, diode D9, diode D6,Diode D5 discharges and recharges network electric capacity C8 is discharged and recharged, electric capacity C8 obtains to determining voltage signal QG, the outside positive output end of controller is by resistance R40, resistance R41 and resistance R42 are connected in series to the outside negative output terminal of controller, voltage sensor U14 pin 1 is connected with resistance R42 junction with resistance R40, voltage sensor U14 pin 2 is connected with resistance R42 junction with resistance R41, voltage sensor U14 pin 3 is connected to power supply 0V with resistance R44 one end, voltage sensor U14 pin 4 is connected with the resistance R44 other end, voltage sensor U14 pin 4 is connected with operational amplifier U2 pin 6, voltage sensor U14 pin 4 is connected with operational amplifier U3 pin 6 by resistance R45, operational amplifier U3 pin 6 is connected with operational amplifier U3 pin 7 by resistance R43, operational amplifier U3 pin 6 is connected to power supply 0V by resistance R46, operational amplifier U3 pin 6 is by be connected to+5V of resistance R48 power supply, operational amplifier U3 pin 5 is connected to power supply 0V by resistance R49, operational amplifier U3 pin 5 is connected with operational amplifier U3 pin 8 by resistance R48, operational amplifier U3 pin 7 is connected with operational amplifier U3 pin 3, operational amplifier U3 pin 1 is connected with operational amplifier U3 pin 2, it is in parallel with resistance R38 after resistance R39 connects with diode D9, diode D9 negative electrode is connected with operational amplifier U3 pin 1, the other end of resistance R39 is connected with electric capacity C8 is anodal, electric capacity C8 negative pole is connected to power supply 0V, resistance R37 connects with diode D6, the other end of resistance R37 is connected with electric capacity C8 is anodal, diode D6 negative electrode is connected with operational amplifier U2 pin 1, diode D5 anode is connected with diode D6 anode, diode D5 negative electrode is connected with operational amplifier U2 pin 7, resistance R51, diode D8 forms current protection indicating circuit, part A U2A and the resistance R50 of operational amplifier U2 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on R34, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output current by adjusting resistance R34 value, resistance R34 pin 1 be connected to+5V power supply, resistance R34 pin 3 is connected to power supply 0V, resistance R34 pin 2 is connected with operational amplifier U2 pin 3, operational amplifier U2 pin 3 is connected with operational amplifier U2 pin 1 by resistance R50, resistance R51 is connected with diode D8, be connected to+5V of diode D8 anode power supply, the resistance R51 other end be connected with operational amplifier U2 pin 1, resistance R36, diode D7 forms overvoltage indicating circuit, part B U2B and the resistance R35 of operational amplifier U2 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on R33, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential,Changed the protection value of output voltage by adjusting resistance R33 value, resistance R33 pin 1 be connected to+5V power supply, resistance R33 pin 3 is connected to power supply 0V, resistance R33 pin 2 is connected with operational amplifier U2 pin 5, operational amplifier U2 pin 5 is connected with operational amplifier U2 pin 7 by resistance R35, resistance R36 and diode D7, diode D7 negative electrode be connected with operational amplifier U2 pin 7, be connected to+5V of resistance R51 other end power supply, the current sensor U11 of sample circuit (10) samples to high frequency transformer primary side current, current sensor U12 samples to load current, voltage sensor U14 samples to load voltage, connector J3, resistance R56, optocoupler U5, resistance R59, resistance R60 forms temperature sampling circuit, obtain corresponding temperature signal and send into control chip U8, the pin 1 of optocoupler U5 by resistance R56 be connected to ' 12V power supply, the pin 2 of optocoupler U5 is connected with the pin 2 of binding post J3, the pin 1 of binding post J3 be connected to power supply ' 0V, the pin 4 of optocoupler U5 is by be connected to+5V of resistance R59 power supply, the pin 3 of optocoupler U5 is connected to power supply 0V, one end of resistance R60 is connected with the pin 4 of optocoupler U5, one end of resistance R60 is connected with the pin 10 of control chip U8, programming port J1, resistance R53, control chip U8, electric capacity C2, electric capacity C3, crystal oscillator Y1 composition central controller (11), electric capacity C2, electric capacity C3, crystal oscillator Y1 forms clock circuit, for control chip U8 provides operating clock signals, one end of electric capacity C2 is connected with one end of crystal oscillator Y1, the other end of electric capacity C2 is connected to power supply 0V, one end of electric capacity C3 is connected with the other end of crystal oscillator Y1, the other end of electric capacity C3 is connected to power supply 0V, one end of crystal oscillator Y1 is connected with the pin 2 of control chip U8, the other end of crystal oscillator Y1 is connected with the pin 3 of control chip U8, the pin 1 of programming port J1 is connected with the pin 4 of control chip U8, be connected to+5V of pin 2 power supply of programming port J1, the pin 3 of programming port J1 is connected to power supply 0V, the pin 4 of programming port J1 is connected with the pin 13 of control chip U8, the pin 5 of programming port J1 is connected with the pin 12 of control chip U8.
3. frequency conversion input inversion type direct-current machine driving governor according to claim 1, is characterized in that: main circuit (61) and control circuit (62) are installed in housing (14).
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| CN201420181125.4U CN203883724U (en) | 2013-04-17 | 2014-04-15 | Variable-frequency input inversion type DC motor driving controller |
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| CN201310133565 | 2013-04-17 | ||
| CN201420181125.4U CN203883724U (en) | 2013-04-17 | 2014-04-15 | Variable-frequency input inversion type DC motor driving controller |
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| CN201410149988.8A Active CN103929102B (en) | 2013-04-17 | 2014-04-15 | Variable-frequency input inversion type direct-current motor driving controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103929102A (en) * | 2013-04-17 | 2014-07-16 | 济南田中工贸有限公司 | Variable-frequency input inversion type direct-current motor driving controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105004362B (en) * | 2015-06-27 | 2017-06-13 | 华东光电集成器件研究所 | A kind of capacitance type sensor static-electronic driving device |
| CN105958881B (en) * | 2016-05-31 | 2018-02-09 | 哈尔滨工业大学 | A kind of direct current generator kinematic driving unit |
| CN106370915B (en) * | 2016-09-30 | 2023-10-13 | 安徽天光传感器有限公司 | Three-wire system and four-wire system universal transmitter |
| CN107632633B (en) * | 2017-06-29 | 2019-01-08 | 深圳前海慧联科技发展有限公司 | A kind of adaptive range revolving speed conditioning circuit and Opsonizing method |
| CN109586390A (en) * | 2019-01-25 | 2019-04-05 | 深圳流量链科技有限公司 | Power circuit and electrical equipment |
| CN111443288A (en) * | 2020-04-27 | 2020-07-24 | 山东沃森电源设备有限公司 | Low-cost new energy automobile motor test power supply |
| CN112719523B (en) * | 2020-09-11 | 2023-03-10 | 上海宗镕电器有限公司 | Complete machine circuit principle of three-phase 380V power supply manual arc inverter welding machine |
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| CN101071952A (en) * | 2006-05-11 | 2007-11-14 | 刘峰 | Mining explosion-proof inverse charging equipment |
| US8014179B2 (en) * | 2008-05-29 | 2011-09-06 | Hamilton Sundstrand Corporation | Multi output voltage regulation of a synchronous generator in a power system |
| JP5224295B2 (en) * | 2009-08-21 | 2013-07-03 | 国立大学法人埼玉大学 | Non-contact power feeding apparatus and non-contact power feeding method |
| CN201577061U (en) * | 2010-01-14 | 2010-09-08 | 黑龙江科技学院 | Electric machine control device of a mine hoist |
| CN202817867U (en) * | 2012-10-11 | 2013-03-20 | 浙江颐顿机电有限公司 | Intelligent charger |
| CN203883724U (en) * | 2013-04-17 | 2014-10-15 | 栾亚伦 | Variable-frequency input inversion type DC motor driving controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103929102A (en) * | 2013-04-17 | 2014-07-16 | 济南田中工贸有限公司 | Variable-frequency input inversion type direct-current motor driving controller |
| CN103929102B (en) * | 2013-04-17 | 2017-01-11 | 济南亚特伦特机械科技有限公司 | Variable-frequency input inversion type direct-current motor driving controller |
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| CN103929102B (en) | 2017-01-11 |
| CN103929102A (en) | 2014-07-16 |
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