CN202268811U - Single-power-supply three-phase drive circuit - Google Patents
Single-power-supply three-phase drive circuit Download PDFInfo
- Publication number
- CN202268811U CN202268811U CN2011203479611U CN201120347961U CN202268811U CN 202268811 U CN202268811 U CN 202268811U CN 2011203479611 U CN2011203479611 U CN 2011203479611U CN 201120347961 U CN201120347961 U CN 201120347961U CN 202268811 U CN202268811 U CN 202268811U
- Authority
- CN
- China
- Prior art keywords
- drive circuit
- circuit
- resistance
- bridge drive
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Abstract
The utility model discloses a single-power-supply three-phase drive circuit which comprises a phase shift frequency division network. The phase shift frequency division network is connected with a crystal oscillator, a first half-bridge drive circuit, a second half-bridge drive circuit and a third half-bridge drive circuit, respectively. The first half-bridge drive circuit is connected with a first power drive circuit. The second half-bridge drive circuit is connected with a second power drive circuit. The third half-bridge drive circuit is connected with a third power drive circuit. Digital circuits are all adopted by the phase shift frequency division network of the three-phase drive circuit, thereby preventing frequencies from instability due to changes of an external-connected resistor and an external-connected capacitor. The crystal oscillator is simply adopted by the digital circuits as a passive incoming signal, and the stability of frequencies is determined only by the precision of the external-connected crystal oscillator itself. The single-power-supply three-phase drive circuit can work under different operating voltages, allows thick-film operation to be carried out for products through a thick-film technique, is high in stability, small in volume and wide in operating temperature range, can work under a severe environment, and is moisture-proof and corrosion-resistant.
Description
Technical field
The utility model belongs to the circuit manufacturing technology field, relates to a kind of drive circuit, is specifically related to a kind of single supply three-phase drive circuit.
Background technology
Existing power motor needs the outside drive signal that precision is high, frequency stability is good, driving force is strong that provides mostly; Motor-driven for three-phase; Just need three frequency unanimities; Phase difference is 120 ° a three-phase driving signal, and adopting the three-phase drive circuit usually is that power motor provides drive signal.And the three-phase drive circuit generally all is to adopt simulated mode; Most of usefulness be oscillating circuit and simulation phase-shift circuit; Frequency causes discreteness and the variations in temperature fluctuation of service of the running of motor because of components and parts by the non-ideal factor decision in the resistance R in the oscillation circuit and capacitor C and the simulation phase-shift circuit.
The utility model content
In order to overcome the problem that exists in the above-mentioned prior art, the purpose of the utility model provides a kind of single supply three-phase drive circuit, need not the outside drive signal is provided, and makes the three phase electric machine running stable.
For realizing above-mentioned purpose; The technical scheme that the utility model adopted is; A kind of single supply three-phase drive circuit comprises the phase shift dividing network, and the phase shift dividing network is connected with crystal oscillator, first half-bridge drive circuit, second half-bridge drive circuit and the 3rd half-bridge drive circuit respectively; First half-bridge drive circuit is connected with first power driving circuit; Second half-bridge drive circuit is connected with second power driving circuit; The 3rd half-bridge drive circuit is connected with the 3rd power driving circuit.
The phase shift dividing network comprises digital divider circuit and phase shift frequency dividing circuit, is parallel with the crystal oscillator and first resistance between the input positive and negative terminal of digital divider circuit simultaneously; The input anode of digital divider circuit also joins with an end of first electric capacity, and the input negative terminal of digital divider circuit also joins with an end of second electric capacity; End, the other end of first electric capacity and the other end ground connection of second electric capacity over the ground of digital divider circuit; The output out of digital divider circuit is connected with an end of second resistance and an end of the 3rd resistance respectively; The input in of another termination phase shift frequency dividing circuit of the 3rd resistance, the reset terminal RST of phase shift frequency dividing circuit are connected with an end of the 3rd electric capacity and an end of the 4th resistance respectively; The other end ground connection of the other end of the 4th resistance and second resistance; The earth terminal ground connection of phase shift frequency dividing circuit; The power input of the other end of the 3rd electric capacity, the power input of digital divider circuit and phase shift frequency dividing circuit connects positive supply respectively.
Digital divider circuit is CD4060, and the phase shift frequency dividing circuit is DG0250.
The utility model single supply three-phase drive circuit adopts digital divider circuit and digital phase shift circuit; Reduced output frequency widely because of the frequency wild effect that outer meeting resistance and changes in capacitance cause, avoided non-ideal factor in the simulation phase-shift circuit simultaneously the influence of circuit.Adopt thick-film technique, solved the weakness that conventional ADS driving circuit volume is big, operating temperature range is narrow, integrated level is not high.
Description of drawings
Fig. 1 is the structural representation of the utility model single supply three-phase drive circuit.
The structural representation of phase shift dividing network in Fig. 2 the utility model single supply three-phase drive circuit.
The structural representation of half-bridge drive circuit in Fig. 3 the utility model single supply three-phase drive circuit.
The structural representation of power driving circuit in Fig. 4 the utility model single supply three-phase drive circuit.
Among the figure, 1. crystal oscillator, 2. phase shift dividing network, 3. first drive circuit; 4. second drive circuit, 5. the 3rd drive circuit, 6. first power circuit, 7. second power circuit; 8. the 3rd power circuit, 9. digital divider circuit, 10. phase shift frequency dividing circuit, 11. half-bridge drive circuits.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
As shown in Figure 1, the structure of the utility model single supply three-phase drive circuit comprises phase shift dividing network 2, and phase shift dividing network 2 is connected with the 3rd half-bridge drive circuit 5 with crystal oscillator 1, first half-bridge drive circuit 3, second half-bridge drive circuit 4 respectively; First half-bridge drive circuit 3 is connected with first power driving circuit 6; Second half-bridge drive circuit 4 is connected with second power driving circuit 7; The 3rd half-bridge drive circuit 5 is connected with the 3rd power driving circuit 8.
As shown in Figure 2, the structure of phase shift dividing network 2 in the utility model single supply three-phase drive circuit comprises digital divider circuit 9 and phase shift frequency dividing circuit 10, is parallel with the crystal oscillator 1 and first resistance R 1 between the input positive and negative terminal of digital divider circuit 9 simultaneously; The input anode of digital divider circuit 9 also joins with an end of first capacitor C 1, and the input negative terminal of digital divider circuit 9 also joins with an end of second capacitor C 2; End, the other end of first capacitor C 1 and the other end ground connection of second capacitor C 2 over the ground of digital divider circuit 9; The output out of digital divider circuit 9 is connected with an end of second resistance R 2 and an end of the 3rd resistance R 3 respectively; The input in of another termination phase shift frequency dividing circuit 10 of the 3rd resistance R 3, the reset terminal RST of phase shift frequency dividing circuit 10 are connected with an end of the 3rd capacitor C 3 and an end of the 4th resistance R 4 respectively; The other end ground connection of the other end of the 4th resistance R 4 and second resistance R 2; The earth terminal ground connection of phase shift frequency dividing circuit 10; The power input of the power input of the other end of the 3rd capacitor C 3, digital divider circuit 9 and phase shift frequency dividing circuit 10 connects positive supply respectively.
First half-bridge drive circuit 3, second half-bridge drive circuit 4 are identical with the structure of the 3rd half-bridge drive circuit 5.With first half-bridge drive circuit 3 is example, and its structure is as shown in Figure 3, comprises that model is the half-bridge drive circuit 11 of IR2103; The HIN pin of half-bridge drive circuit 11 is connected with an end of the 5th resistance R 5 respectively with the LIN pin, and the other end of the 5th resistance R 5 is connected with an output of phase shift frequency dividing circuit 10; The COM pin ground connection of half-bridge drive circuit 11; The VB pin of half-bridge drive circuit 11 connects the negative pole of the first diode D1 and an end of the 4th capacitor C 4 respectively; The VS pin of the other end of the 4th capacitor C 4 and half-bridge drive circuit 11 joins, and the VS pin of half-bridge drive circuit 11 is feedback end FB; The Vcc pin of the positive pole of the first diode D1 and half-bridge drive circuit 11 connects positive supply respectively; The output HO of half-bridge drive circuit 11 and output LO are respectively output Vout1 and Vout2; Output Vout1 and Vout2 directly drive the power driving circuit of back.
First power driving circuit 6, second power driving circuit 7 and the 3rd power driving circuit 8 have same structure.With first power driving circuit 6 is example; Its structure is as shown in Figure 4; Comprise a NMOS power tube M1; The drain electrode of the one NMOS power tube M1 connects power power-supply, and the grid of a NMOS power tube M1 is connected the output HO of another termination half-bridge drive circuit 11 of the 6th resistance R 6 with an end of the 8th resistance R 8, the negative pole of the first voltage stabilizing didoe Z1 and an end of the 6th resistance R 6 respectively; The source electrode of the one NMOS power tube M1 is connected with the drain electrode of the 2nd NMOS power tube M2; Its contact is as the output Aout of A phase, and the positive pole of the source electrode of a NMOS power tube M1, the other end of the 8th resistance R 8 and the first voltage stabilizing didoe Z1 meets the feedback end FB of half-bridge drive circuit 11 respectively; The grid of the 2nd NMOS power tube M2 is connected the output LO of another termination half-bridge drive circuit 11 of the 7th resistance R 7 with an end of the 7th resistance R 7 and an end of the 9th resistance R 9 respectively; The source electrode of the other end of the 9th resistance R 9 and the 2nd NMOS power tube M2 connects Power Groud respectively.
The one NMOS power tube M1 and the 2nd NMOS power tube M2 all adopt the IRFC024MOS power tube.
The utility model single supply three-phase drive circuit only needs external crystal oscillator 1, just can directly produce the three-phase driving signal with certain driving force, directly drives three phase electric machine.Crystal oscillator 1 provides input signal; And this input signal sent into digital divider circuit 9, digital divider circuit 9 is handled to the received signal, the unidirectional square-wave signal of the frequency that needing to obtain; Through this unidirectional square-wave signal input phase shift frequency dividing circuit 10; The unidirectional square-wave signal that phase shift frequency dividing circuit 10 will receive is six frequency divisions earlier, and phase shift converts A phase, B phase and C three-phase square wave signal mutually into again, and this three-phase square wave phase difference between signals is 120 °; This three-phase square wave signal is sent into three half-bridge drive circuits 11 respectively; Half-bridge drive circuit 11 is the signal with certain driving force with the three-phase square wave conversion of signals that receives, and has the direct driving power drive circuit of signal of certain driving force through this, and the three phase power drive signal of three power driving circuit outputs is respectively Aout, Bout and Cout.
The phase shift dividing network 2 of this single supply three-phase drive circuit all adopts digital circuit; Avoided frequency unstable because of the frequency that outer meeting resistance and changes in capacitance cause; This digital circuit only adopts crystal oscillator 1 as passive input signal, and the stability of frequency is only determined by external crystal oscillator 1 precision own.This circuit also has a great advantage, through the setting of internal components, can under different operating voltage, work, and pass through thick-film technique with the product thick filmization, and stability is high, and volume is little, and operating temperature range is wide, can under adverse circumstances, work, and is moistureproof corrosion-resistant.
Claims (7)
1. single supply three-phase drive circuit; It is characterized in that; Comprise phase shift dividing network (2), phase shift dividing network (2) is connected with crystal oscillator (1), first half-bridge drive circuit (3), second half-bridge drive circuit (4) and the 3rd half-bridge drive circuit (5) respectively; First half-bridge drive circuit (3) is connected with first power driving circuit (6); Second half-bridge drive circuit (4) is connected with second power driving circuit (7); The 3rd half-bridge drive circuit (5) is connected with the 3rd power driving circuit (8).
2. single supply three-phase drive circuit according to claim 1; It is characterized in that; Described phase shift dividing network (2) comprises digital divider circuit (9) and phase shift frequency dividing circuit (10), is parallel with crystal oscillator (1) and first resistance (R1) between the input positive and negative terminal of digital divider circuit (9) simultaneously; The input anode of digital divider circuit (9) also joins with an end of first electric capacity (C1), and the input negative terminal of digital divider circuit (9) also joins with an end of second electric capacity (C2); The other end ground connection of the other end of the end over the ground of digital divider circuit (9), first electric capacity (C1) and second electric capacity (C2); The output out of digital divider circuit (9) is connected with an end of second resistance (R2) and an end of the 3rd resistance (R3) respectively; The input in of another termination phase shift frequency dividing circuit (10) of the 3rd resistance (R3), the reset terminal RST of phase shift frequency dividing circuit (10) are connected with an end of the 3rd electric capacity (C3) and an end of the 4th resistance (R4) respectively; The other end ground connection of the other end of the 4th resistance (R4) and second resistance (R2); The earth terminal ground connection of phase shift frequency dividing circuit (10); The power input of the power input of the other end of the 3rd electric capacity (C3), digital divider circuit (9) and phase shift frequency dividing circuit (10) connects positive supply respectively.
3. single supply three-phase drive circuit according to claim 2 is characterized in that described digital divider circuit (9) is CD4060, and described phase shift frequency dividing circuit (10) is DG0250.
4. single supply three-phase drive circuit according to claim 1; It is characterized in that; Described first half-bridge drive circuit (3) comprises half-bridge drive circuit (11); The HIN pin of half-bridge drive circuit (11) is connected with an end of the 5th resistance (R5) respectively with the LIN pin, and the other end of the 5th resistance (R5) is connected with an output of phase shift frequency dividing circuit (10); The COM pin ground connection of half-bridge drive circuit (11); The VB pin of half-bridge drive circuit (11) connects the negative pole of first diode (D1) and an end of the 4th electric capacity (C4) respectively; The VS pin of the other end of the 4th electric capacity (C4) and half-bridge drive circuit (11) joins; The Vcc pin of the positive pole of first diode (D1) and half-bridge drive circuit (11) connects positive supply respectively; The output HO of half-bridge drive circuit (11) and output LO are respectively output Vout1 and Vout2.
5. single supply three-phase drive circuit according to claim 4 is characterized in that described half-bridge drive circuit (11) is IR 2103.
6. single supply three-phase drive circuit according to claim 1; It is characterized in that; Described first power driving circuit (6) comprises a NMOS power tube (M1); The drain electrode of the one NMOS power tube (M1) connects power power-supply; The grid of the one NMOS power tube (M1) is connected the output HO of another termination half-bridge drive circuit (11) of the 6th resistance (R6) with an end of the 8th resistance (R8), the negative pole of first voltage stabilizing didoe (Z1) and an end of the 6th resistance (R6) respectively; The source electrode of the one NMOS power tube (M1) is connected with the drain electrode of the 2nd NMOS power tube (M2), and the other end of the source electrode of a NMOS power tube (M1), the 8th resistance (R8) and the positive pole of first voltage stabilizing didoe (Z1) connect first half-bridge drive circuit (3) respectively; The grid of the 2nd NMOS power tube (M2) is connected with an end of the 7th resistance (R7) and an end of the 9th resistance (R9) respectively, another termination first half-bridge drive circuit (3) of the 7th resistance (R7); The source electrode of the other end of the 9th resistance (R9) and the 2nd NMOS power tube (M2) connects Power Groud respectively.
7. single supply three-phase drive circuit according to claim 6 is characterized in that, a described NMOS power tube (M1) and the 2nd NMOS power tube (M2) all adopt IRFC024 MOS power tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203479611U CN202268811U (en) | 2011-09-16 | 2011-09-16 | Single-power-supply three-phase drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203479611U CN202268811U (en) | 2011-09-16 | 2011-09-16 | Single-power-supply three-phase drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202268811U true CN202268811U (en) | 2012-06-06 |
Family
ID=46159593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203479611U Expired - Fee Related CN202268811U (en) | 2011-09-16 | 2011-09-16 | Single-power-supply three-phase drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202268811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917510A (en) * | 2015-06-16 | 2015-09-16 | 中国兵器工业集团第二一四研究所苏州研发中心 | Three-phase power driving circuit |
-
2011
- 2011-09-16 CN CN2011203479611U patent/CN202268811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917510A (en) * | 2015-06-16 | 2015-09-16 | 中国兵器工业集团第二一四研究所苏州研发中心 | Three-phase power driving circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104319996B (en) | A kind of synchronous rectification buck converter chip with high-precision current detection | |
| CN1848683B (en) | Trianglar-wave generator and pulse-width modulation signal generating circuit containing the same | |
| US20080266917A1 (en) | Dc/dc converting system | |
| CN103490616B (en) | Current-mode DC-DC converter | |
| CN103166604A (en) | On-chip clock generating circuit with lower power consumption | |
| CN102868297A (en) | Deadline-fixed PFM (pulse frequency modulation) mode switching power supply controller | |
| CN2884287Y (en) | Circuit for starting current-source or valtage-source | |
| CN201936213U (en) | Low tension voltage stabilizer | |
| CN202268811U (en) | Single-power-supply three-phase drive circuit | |
| US20150187316A1 (en) | Positive and negative voltage generating circuit, liquid crystal display module driving system, and voice over internet protocol phone | |
| CN103312267B (en) | A kind of high precision oscillator and frequency generating method | |
| CN201955091U (en) | Starting circuit of laser gyroscope | |
| CN102684517B (en) | Switch power supply with high power factor and controller of switch power supply | |
| CN209994356U (en) | Zero offset comparator circuit | |
| CN205356268U (en) | Vibration device | |
| CN104038156B (en) | Crystal oscillator | |
| CN101741355B (en) | Waveform converting device | |
| CN102427328B (en) | Sine wave oscillating circuit | |
| CN107422773B (en) | Digital low-dropout regulator | |
| CN104917492A (en) | CMOS oscillator | |
| CN208285288U (en) | Dual threshold is without comparator relaxation oscillating circuit | |
| CN101420189B (en) | Ultrasonic motor controlling integrated circuit based on voltage controlled oscillator | |
| CN103973228A (en) | C wave band voltage-controlled oscillator | |
| CN108566126B (en) | Motor control system based on OR gate | |
| CN203180825U (en) | Parallel-connection type crystal oscillator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20140916 |
|
| EXPY | Termination of patent right or utility model |