CN103187898B - Vehicular multifunctional (test) power supply - Google Patents
Vehicular multifunctional (test) power supply Download PDFInfo
- Publication number
- CN103187898B CN103187898B CN201110453968.6A CN201110453968A CN103187898B CN 103187898 B CN103187898 B CN 103187898B CN 201110453968 A CN201110453968 A CN 201110453968A CN 103187898 B CN103187898 B CN 103187898B
- Authority
- CN
- China
- Prior art keywords
- igbt
- voltage
- push
- power supply
- mos transistor
- 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
Abstract
The application provides a kind of Vehicular multifunctional power supply, comprising: IGBT module, for carrying out AC/DC conversion and DC/AC conversion (as feedback grid electric discharge etc.); Two-way push-pull oscillator circuit, comprise the first push-pull circuit, high-frequency oscillating circuits and the second push-pull circuit, wherein, the first push-pull circuit is for being converted to alternating voltage and the alternating voltage extracting from high-frequency oscillating circuits is converted to DC voltage and feeds back to IGBT module from the DC voltage of IGBT module output; High-frequency oscillating circuits for changing alternating voltage by pulse-width regulated under 50kHz or higher frequency; The second push-pull circuit is for being converted to DC voltage by the alternating voltage changing through high-frequency oscillating circuits and the DC voltage extracting from load being converted to alternating voltage and feeding back to high-frequency oscillating circuits; And IGBT driver, for the closed-loop control via single-chip microcomputer, each switch element of IGBT module, the first push-pull circuit and the second push-pull circuit is carried out to break-make control, make power supply stable output in desired value.
Description
Technical field
The application relates to field of power supplies. More particularly, the application relates to energy-saving vehicle multifunctional power.
Background technology
In the process such as production, test of automobile, generally wish that automobile-used (test) power supply can provide the large electric current of starter of more than 200 ampere 12～13.5 volts, high-current supply etc. for the power supply that automobile storage battery is charged and the vehicle test of 12～16V.
In the prior art, conventionally adopt low-frequency voltage device to carry out supply voltage conversion in the mode of non-switch and realize automobile-used (test) power supply. But, because adopting low-frequency voltage device, this experiment power supply carries out power supply conversion, so efficiency is not high, volume is too huge too fat to move and heat radiation is had to higher requirement. Work because this experiment power supply adopts the mode of non-switch again, its voltage regulation result is not good and load is larger to the voltage influence of power supply.
In addition, there is the demand of automobile storage battery being carried out to the power supply (be that it not only can provide the current impulse of determining under voltage system, voltage-regulation mode can be provided again) of the work that discharges and recharges under canonical form. Also there is the demand that high power vehicular inverter is provided.
Summary of the invention
One of object of the application is to provide a kind of improved energy-saving vehicle multifunctional power.
According to the application aspect, a kind of Vehicular multifunctional power supply is provided, comprising: IGBT(igbt) module, such as, for carrying out AC/DC conversion and DC/AC inversion (feedback grid electric discharge etc.); Two-way push-pull oscillator circuit, comprise the first push-pull circuit, high-frequency oscillating circuits and the second push-pull circuit and the first push-pull circuit and the second push-pull circuit are coupling in respectively the both sides of high-frequency oscillating circuits, wherein, described the first push-pull circuit is for being converted to alternating voltage and the alternating voltage extracting from high-frequency oscillating circuits is converted to DC voltage and feeds back to IGBT module from the DC voltage of described IGBT module output; Described high-frequency oscillating circuits for changing alternating voltage by pulse-width regulated under 50kHz or higher frequency; Described the second push-pull circuit is for being converted to DC voltage by the alternating voltage changing through high-frequency oscillating circuits and the DC voltage extracting from load being converted to alternating voltage and feeding back to high-frequency oscillating circuits; And IGBT driver, for the closed-loop control via single-chip microcomputer, each switch element of IGBT module, the first push-pull circuit and the second push-pull circuit is carried out to break-make control, make power supply stable output in desired value.
According to another aspect of the application, a kind of two-way push-pull oscillator circuit is provided, comprise the first push-pull circuit, high-frequency oscillating circuits and the second push-pull circuit, the first push-pull circuit and the second push-pull circuit are coupling in respectively the both sides of high-frequency oscillating circuits, wherein, described the first push-pull circuit is for being converted to the DC voltage of input alternating voltage and the alternating voltage extracting from high-frequency oscillating circuits is converted to DC voltage; Described high-frequency oscillating circuits for changing alternating voltage under 50kHz or higher frequency; Described the second push-pull circuit is for being converted to DC voltage by the alternating voltage changing through high-frequency oscillating circuits and the DC voltage extracting from load being converted to alternating voltage and feeding back to high-frequency oscillating circuits.
Compared with prior art, the application at least tool has the following advantages: the first, and in this application, Vehicular multifunctional power acquisition on & off operation mode, makes it possible to obtain stable Voltage-output; The second, adopt in this application high-frequency oscillating circuits to replace the low-frequency transformer of prior art, realize the raising of the aspect matter such as conversion efficiency, weight, volume; The 3rd, in the application's a embodiment, under the control of single-chip microcomputer, the voltage regulation result of Vehicular multifunctional power supply further improves and the power supply scope of application expands; The 4th, the application's brand-new circuit design for Vehicular multifunctional power acquisition, has increased feedback grid discharging function, makes this power supply more energy-conservation and can be used in the test of more accurate storage battery.
Brief description of the drawings
Fig. 1 is according to the structured flowchart of the Vehicular multifunctional power supply of the application embodiment;
Fig. 2 is according to the structured flowchart of the Vehicular multifunctional power supply of another embodiment of the application;
Fig. 3 (a) is according to the circuit diagram of the IGBT module of the application embodiment;
Fig. 3 (b) is the equivalent circuit diagram while being operated in AC/DC conversion according to the IGBT module of the application embodiment;
Fig. 4 is such as, current direction schematic diagram while being operated in DC/AC inversion (feedback grid electric discharge etc.) according to the IGBT module of the application embodiment;
Fig. 5 is according to the application embodiment, Voltage-output schematic diagram after IGBT modules A C/DC conversion;
Fig. 6 is according to the application embodiment, through IGBT modules A C/DC conversion and the filtered Voltage-output schematic diagram of electrochemical capacitor;
Fig. 7 is according to the circuit diagram of the two-way push-pull oscillator circuit of the application embodiment;
Fig. 8 is according to the circuit diagram of the Vehicular multifunctional power supply of the application embodiment.
Detailed description of the invention
What introduce below is some in multiple possibility embodiment of the present invention, aims to provide basic understanding of the present invention, is not intended to confirm key of the present invention or conclusive key element or limits claimed scope. Easily understand, according to technical scheme of the present invention, do not changing under connotation of the present invention other implementation that one of ordinary skill in the art can propose mutually to replace. Therefore, below detailed description of the invention and accompanying drawing be only the exemplary illustration to technical scheme of the present invention, and should not be considered as of the present invention all or be considered as restriction or the restriction to technical solution of the present invention.
Fig. 1 is according to the structured flowchart of the Vehicular multifunctional power supply of the application embodiment. This Vehicular multifunctional power supply comprises: IGBT module 110, two-way push-pull oscillator circuit 120 and IGBT driver 130. IGBT module 110 such as, for carrying out AC/DC conversion and DC/AC inversion (feedback grid electric discharge etc.). Two-way push-pull oscillator circuit 120 further comprises that the first push-pull circuit 121, high-frequency oscillating circuits 122 and the second push-pull circuit 123, the first push-pull circuits 121 are for being converted to the DC voltage of exporting from IGBT module 110 alternating voltage and the alternating voltage extracting from high-frequency oscillating circuits being converted to DC voltage and feeding back to IGBT module. High-frequency oscillating circuits 122 for for example changing alternating voltage by pulse-width regulated etc. under 50kHz or higher frequency. The second push-pull circuit 123 is for being converted to the alternating voltage changing through high-frequency oscillating circuits 122 DC voltage and the DC voltage extracting from load (not shown) being converted to alternating voltage and feeding back to high-frequency oscillating circuits 122. IGBT driver 130, for for example via closed-loop control of single-chip microcomputer etc., each switch element of IGBT module 110, the first push-pull circuit 121 and the second push-pull circuit 123 being carried out to break-make control, makes power supply stable output in desired value.
In a concrete realization, IGBT driver can adopt the mode of SPWM and SPM combination to carry out break-make control to the each switch element in IGBT module 110, the first push-pull circuit 121 and the second push-pull circuit 123. For example, can adopt the mode of SPWM to carry out break-make control to the each switch element in IGBT module 110 and the first push-pull circuit 121, and adopt the mode of SPM to carry out break-make control to the each switch element in the second push-pull circuit 123 simultaneously, etc. So-called SPWM(SinusoidalPWM), on the basis of pulse width modulation (PWM), change exactly modulating pulse mode, pulse width time dutycycle is arranged by sinusoidal rule, output waveform can be accomplished sinewave output through suitable filtering like this.
Can adopt kinds of schemes to realize SPWM:
1. equal-area method
In fact this scheme is exactly the direct explaination of SPWM method principle. Adopt the constant amplitude of same quantity and not wide square pulse replaces sinusoidal wavely, then calculate width and the interval of each pulse, and these data are stored in microcomputer, generate the break-make of pwm signal gauge tap device by the mode of tabling look-up. Due to the method be taking SPWM control general principle as starting point, can calculate exactly the break-make moment of each switching device, the waveform of its gained approaches sine wave very much.
2. hardware modulation method
Hardware modulation ratio juris is using desirable waveform as modulation signal, using the signal of accepting modulation as carrier wave, by the modulation of carrier wave being obtained to desired PWM waveform. Conventionally adopt isosceles triangle as carrier wave, in the time that modulation signal is dialled as sine wave, what obtain is exactly SPWM waveform. The method realizes fairly simple, can form triangular wave carrier and Sine Modulated wave generation circuit with analog circuit, determines their intersection point with comparator, in the intersection point moment, the break-make of switching device is controlled, and just can generate SPWM ripple.
3. Software Create method
Because the development of microcomputer technology makes to become than being easier to Software Create SPWM waveform, therefore, Software Create method is also just arisen at the historic moment. Software Create method is exactly to realize the method for modulation with software in fact, and it has two kinds of rudimentary algorithms: Natural Sampling method and regular sampling.
In another embodiment of the application, as shown in Figure 2, adopt single-chip microcomputer 160 to generate SPWM ripple and offer IGBT driver 130. In one preferably realizes, single-chip microcomputer 160 can be AVR single-chip microcomputer. AVR single-chip microcomputer is high speed embedded scm, interior band analog comparator, and its I/O port can be used as analog-digital converter. It has again multiple fixing interrupt vector entrances, can respond fast interruption. In addition, AVR single-chip microcomputer also has the advantages such as power consumption is low, security performance is good.
With further reference to Fig. 2, compared with the Vehicular multifunctional power supply shown in Fig. 1, the Vehicular multifunctional power supply shown in Fig. 2 further comprises single-chip microcomputer 160, the first voltage comparator 150, second voltage comparator 170, keyboard 180, liquid crystal display 190 and filter circuit 140.
The first voltage comparator 150 compares for voltage and the first reference voltage that IGBT module 110 is exported, and comparative result is sent to single-chip microcomputer 160. And on the other hand, second voltage comparator 170 is for the output voltage of Vehicular multifunctional power supply and the second reference voltage are compared, and comparative result is sent to single-chip microcomputer 160. In this case, single-chip microcomputer 160 can, according to the comparative result of the first voltage comparator 150 and second voltage comparator 170, provide control signal to IGBT driver 130 in real time. Like this, by providing in time voltage comparative result to single-chip microcomputer 160, single-chip microcomputer 160 can be understood the variation of external circuit in time, has improved the response speed of whole circuit and has improved the control accuracy of voltage, electric current.
Keyboard 180 and display unit 190 are coupled with single-chip microcomputer 160 respectively. Keyboard 180 is expected voltage and/or electric current for input user to single-chip microcomputer 160, and display unit 190 is for showing the information receiving from single-chip microcomputer. In a specific implementation, display unit 190 can be liquid crystal indicator. Certainly, it will be readily apparent to those skilled in the art that display unit can be the display unit of other types, for example light-emitting diode display etc. The combination of keyboard 180 and display unit 190 makes the operability of whole Vehicular multifunctional power supply obtain huge lifting.
Filter circuit 140 is arranged on and exchanges between input and IGBT module 110. It will be understood by those skilled in the art that filter circuit 140 is generally used for the ripple in filtering Voltage-output. In the realization shown in Fig. 2, from exchanging input side, the high frequency clutter that filter circuit 140 may exist for filtering power frequency 220V alternating current (slightly electricity). And from IGBT module 110 sides, can carry out feedback electric discharge to electrical network due to IGBT module 110, now filter circuit 140 carries out filtering to the feed of IGBT module 110 again, has played the effect of insulation blocking.
In the application's a realization, as shown in Fig. 3 (a) and Fig. 3 (b), IGBT module 110 can comprise four IGBTG1～G4, wherein the first end of G1 and the first end of G3 are coupled, the second end of G1 and the first end of G2 are coupled, the second end of G2 and the second end of G4 are coupled, and the second end of G3 and the first end of G4 are coupled. It is worthy of note, " first end " described here or " the second end " refer to source electrode or the drain electrode of IGBT.
In the time that the grid (being control end) of G1～G4 is input as " 0 ", G1～G4 is in off state. Meanwhile, the fly-wheel diode in parallel with each IGBT is just in time combined as bridge rectifier, and its equivalent circuit refers to Fig. 3 (b). Thereby at this moment IGBT module can be converted to direct current output by exchanging input. In bridge rectifier, each fly-wheel diode uses as switch, has unilateral conduction. When input AC electricity is during in positive half cycle, the fly-wheel diode conducting corresponding with G1 and G4 obtains sinusoidal wave positive half cycle on load resistance. When input AC electricity is during in negative half period, the fly-wheel diode conducting corresponding with G2 and G3, the sine wave obtaining on load resistance remains positive half cycle. Fig. 5 has specifically provided this direct voltage output schematic diagram.
Referring again to Fig. 3 (a) and Fig. 3 (b), IGBT module 110 also can comprise that electrochemical capacitor is for carrying out filtering through the voltage of IGBT modules A C/DC conversion. Fig. 6 shows according to the application embodiment, through IGBT modules A C/DC conversion and the filtered voltage of electrochemical capacitor.
In IGBT module 110 such as, during for DC/AC inversion (feedback grid electric discharge etc.), G1, G4 and G2, G3 alternate conduction. As shown in Figure 4, the solid line in figure shows the current direction in the time of G1 and G4 conducting, and dotted line shows the current direction in the time of G2 and G3 conducting. As G1, G4 conducting and G2, G3 while turn-offing, the voltage at load two ends is for just. As G2, G3 conducting and G1, G4 while turn-offing, the voltage at load two ends is for negative. Like this, also just realized from direct current to the transformation exchanging, i.e. inversion process. And, by changing the ON/OFF frequency of G1, G4 and G2, G3, can correspondingly change the frequency of the alternating current of feedback grid.
Fig. 7 further illustrates the circuit diagram of two-way push-pull oscillator circuit 120. As previously mentioned, two-way push-pull oscillator circuit 120 comprises the first push-pull circuit 121, high-frequency oscillating circuits 122 and the second push-pull circuit 123. In a specific implementation, the first push-pull circuit 121 and the second push-pull circuit 123 can comprise respectively four enhancement mode MOS(metal-oxide semiconductor (MOS)s) pipe N1～N4 and four enhancement mode metal-oxide-semiconductor N5～N8, and high-frequency oscillating circuits 122 can be made up of high frequency transformer. Wherein, the first end of the first end of N1 and the first end of N2, high-frequency oscillating circuits 122 is coupled, the second end of N1 and the second end of N2, be coupled, the second end of the first end of N3 and the first end of N4, high-frequency oscillating circuits is coupled, the second end of N3 and the second end of N4, be coupled. Similarly, the 3rd end of the first end of N5 and the first end of N6, high-frequency oscillating circuits is coupled, the second end of N5 and the second end of N6, be coupled, the 4th end of the first end of N7 and the first end of N8, high-frequency oscillating circuits is coupled, the second end of N7 and the second end of N8, be coupled.
When the first push-pull circuit 121 is when being converted to alternating voltage by the DC voltage of exporting from IGBT module 110, make N1, N2 and N3, N4 alternate conduction. And when the first push-pull circuit 121 is when being converted to DC voltage by the alternating voltage extracting from high-frequency oscillating circuits, IGBT driver turn-offs N1～N4. In the time that N1～N4 turn-offs, the fly-wheel diode corresponding with N1～N4 starts to bring into play rectified action.
Similarly, when the second push-pull circuit 123 is when being converted to DC voltage by the alternating voltage changing through high-frequency oscillating circuits 122, N5～N8 is turn-offed. At this moment, the fly-wheel diode corresponding with N5～N8 starts to bring into play rectified action. And when the second push-pull circuit 123 is when being converted to alternating voltage by the DC voltage extracting from load, make N5, N6 and N7, N8 alternate conduction.
Fig. 8 is according to the circuit diagram of the Vehicular multifunctional power supply of the application embodiment. Compared with the block diagram shown in Fig. 2, Fig. 8 also comprises the phase sampling circuit, photoisolator, Hall current sensor and the bidirectional current sensor that are made up of variable resistor WR1, the first resistance R 1, the first diode D1 and Schmidt trigger. Phase sampling circuit offers single-chip microcomputer for the phase information that the IGBT module from being made up of G1～G4 is gathered. Photoisolator is for realizing the electricity isolation of single-chip microcomputer and phase sampling circuit, IGBT driver etc. Bidirectional current sensor is exported the circuit of branch road for sensing first, and Hall current sensor is exported the electric current of branch road for sensing second, and they both will offer the analog-to-digital conversion port of AVR single-chip microcomputer with this current related sensitive information respectively.
Above example has mainly illustrated the realization of the application's Vehicular multifunctional power supply. Although only some of them specific embodiment is described, those of ordinary skill in the art should understand, and the present invention can implement not departing from its purport and scope with many other forms. Therefore, the example of showing and embodiment are regarded as illustrative and not restrictive, and in the situation that not departing from the defined spirit of claim and scope, the application may contain various amendments and replacement.
In sum, the application's Vehicular multifunctional power acquisition makes it possible to obtain stable Voltage-output with on & off operation mode, and adopt high-frequency oscillating circuits to replace the low-frequency transformer of prior art, realized the raising of the aspect matter such as conversion efficiency, weight, volume. In addition, under the control of single-chip microcomputer, the voltage regulation result of the application's Vehicular multifunctional power supply further improves and the scope of application expands. Moreover the application's brand-new circuit design for Vehicular multifunctional power acquisition, has increased feedback grid discharging function, make this power supply more energy-conservation and can be used in the test of more accurate storage battery.
Claims (16)
1. a Vehicular multifunctional power supply, comprising:
IGBT module, for carrying out AC/DC conversion and DC/AC inversion;
Two-way push-pull oscillator circuit, comprises the first push-pull circuit, high-frequency oscillating circuits and the second push-pull circuit, and the first push-pull circuitBe coupling in respectively the both sides of high-frequency oscillating circuits with the second push-pull circuit, wherein, described the first push-pull circuit is for will be from describedThe DC voltage of IGBT module output is converted to alternating voltage and the alternating voltage extracting from high-frequency oscillating circuits is converted to directlyStream voltage also feeds back to IGBT module; Described high-frequency oscillating circuits for passing through pulse-width regulated under 50kHz or higher frequencyAlternating voltage is changed; Described the second push-pull circuit is for being converted to direct current by the alternating voltage changing through high-frequency oscillating circuitsVoltage and the DC voltage extracting from load is converted to alternating voltage and feeds back to high-frequency oscillating circuits;
IGBT driver, for the closed-loop control via single-chip microcomputer to IGBT module, the first push-pull circuit and the second push-pull circuitEach switch element carry out break-make control, make power supply stable output in desired value; And
Phase sampling circuit, it is made up of variable resistor, the first resistance, the first diode and Schmidt trigger, for will be fromThe phase information gathering in IGBT module offers described single-chip microcomputer,
Wherein, described IGBT module also comprises electrochemical capacitor, and described electrochemical capacitor is used for turning through described IGBT modules A C/DCThe voltage changing carries out filtering.
2. Vehicular multifunctional power supply as claimed in claim 1, wherein IGBT driver adopts the side of SPWM and PWM combinationFormula is carried out break-make control to the each switch element in IGBT module, the first push-pull circuit and the second push-pull circuit.
3. Vehicular multifunctional power supply as claimed in claim 1, wherein said IGBT module is used for carrying out feedback grid electric discharge.
4. Vehicular multifunctional power supply as claimed in claim 1, also comprises:
The first voltage comparator, for voltage and first reference voltage of the output of IGBT module are compared, and sends out comparative resultGive single-chip microcomputer; With
Second voltage comparator, for the output voltage of Vehicular multifunctional power supply and the second reference voltage are compared, and will relatively tieFruit sends to single-chip microcomputer;
Wherein, single-chip microcomputer provides to IGBT driver in real time according to the comparative result of the first voltage comparator and second voltage comparatorControl signal.
5. Vehicular multifunctional power supply as claimed in claim 1, also comprises:
Keyboard, for expecting voltage and/or electric current to single-chip microcomputer input user; With
Display unit, for showing the information receiving from single-chip microcomputer.
6. Vehicular multifunctional power supply as claimed in claim 1, also comprises:
Filter circuit, is coupling in IGBT module and exchanges between input.
7. Vehicular multifunctional power supply as claimed in claim 1, also comprises:
Current sensor, for the electric current of sensing output branch road, and will offer the analog-to-digital conversion of single-chip microcomputer with this current related informationPort.
8. Vehicular multifunctional power supply as claimed in claim 1, wherein said IGBT module comprises an IGBT, secondIGBT, the 3rd IGBT and the 4th IGBT, and the wherein first end of an IGBT and the first end phase coupling of the 3rd IGBTClose, the second end of an IGBT and the first end of the 2nd IGBT are coupled, the second end of the 2nd IGBT and the 4th IGBTThe second end be coupled, the second end of the 3rd IGBT and the first end of the 4th IGBT are coupled, wherein said first end for send outEmitter-base bandgap grading and described the second end are colelctor electrode, or described first end is that colelctor electrode and described the second end are emitter stage.
9. Vehicular multifunctional power supply as claimed in claim 8, wherein, in the time that IGBT module is changed for AC/DC, IGBT drivesMoving device turn-offs first to fourth IGBT.
10. Vehicular multifunctional power supply as claimed in claim 8, wherein, in the time that IGBT module is used for DC/AC inversion, IGBT drivesMoving device makes first and the combination of the 4th IGBT and second and the combined and alternatively conducting of the 3rd IGBT.
11. Vehicular multifunctional power supplys as claimed in claim 1, wherein said the first push-pull circuit comprises first, second, third HeThe 4th reinforcing MOS transistor, and wherein first end and the second enhancement mode MOS crystalline substance of the first reinforcing MOS transistorThe first end of body pipe, the first end of high-frequency oscillating circuits are coupled, and the second end of the first reinforcing MOS transistor and second increasesThe second end of strong type MOS transistor, be coupled, the first end of the 3rd reinforcing MOS transistor and the 4th enhancement modeThe first end of MOS transistor, the second end of high-frequency oscillating circuits are coupled, the second end of the 3rd reinforcing MOS transistor withThe second end of the 4th reinforcing MOS transistor, be coupled, wherein said first end is that source electrode and described the second end are for leakingThe utmost point, or described first end is that drain electrode and described the second end are source electrode.
12. Vehicular multifunctional power supplys as claimed in claim 11, being wherein used at the first push-pull circuit will be defeated from described IGBT moduleWhen the DC voltage going out is converted to alternating voltage, the combination that IGBT driver makes the first and second reinforcing MOS transistors withThe combined and alternatively conducting of the third and fourth reinforcing MOS transistor.
13. Vehicular multifunctional power supplys as claimed in claim 11, being wherein used at the first push-pull circuit will be from high-frequency oscillating circuitsWhen the alternating voltage extracting is converted to DC voltage, IGBT driver turn-offs first to fourth reinforcing MOS transistor.
14. Vehicular multifunctional power supplys as claimed in claim 1, wherein said the second push-pull circuit comprises the 5th, the 6th, the 7th andThe 8th reinforcing MOS transistor, and wherein first end and the 6th enhancement mode MOS crystalline substance of the 5th reinforcing MOS transistorThe first end of body pipe, the 3rd end of high-frequency oscillating circuits are coupled, and the second end of the 5th reinforcing MOS transistor and the 6th increasesThe second end of strong type MOS transistor, be coupled, the first end of the 7th reinforcing MOS transistor and the 8th enhancement modeThe first end of MOS transistor, the 4th end of high-frequency oscillating circuits are coupled, the second end of the 7th reinforcing MOS transistor withThe second end of the 8th reinforcing MOS transistor, be coupled, wherein said first end is source electrode, described the second end is drain electrodeAnd described the 3rd end is grid, or described first end for drain electrode, described the second end is that source electrode and described the 3rd end are grid.
15. Vehicular multifunctional power supplys as claimed in claim 14, are wherein used for changing through high-frequency oscillating circuits at the second push-pull circuitWhen the alternating voltage becoming is converted to DC voltage, IGBT driver turn-offs the 5th to the 8th reinforcing MOS transistor.
16. Vehicular multifunctional power supplys as claimed in claim 14, are wherein used for straight by what extract from load at the second push-pull circuitStream voltage transitions is while being alternating voltage, and IGBT driver makes the 5th and combination and the 7th He of the 6th reinforcing MOS transistorThe combined and alternatively conducting of the 8th reinforcing MOS transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453968.6A CN103187898B (en) | 2011-12-30 | 2011-12-30 | Vehicular multifunctional (test) power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453968.6A CN103187898B (en) | 2011-12-30 | 2011-12-30 | Vehicular multifunctional (test) power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103187898A CN103187898A (en) | 2013-07-03 |
| CN103187898B true CN103187898B (en) | 2016-05-18 |
Family
ID=48678895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110453968.6A Expired - Fee Related CN103187898B (en) | 2011-12-30 | 2011-12-30 | Vehicular multifunctional (test) power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103187898B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950238B (en) * | 2014-03-24 | 2018-05-08 | 比亚迪股份有限公司 | The fault detection method and device of transverter and its IGBT drive circuit |
| CN105227165B (en) * | 2014-06-27 | 2021-04-20 | 西门子公司 | IGBT gate pole drive circuit, IGBT device and electric automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678245Y (en) * | 2003-10-21 | 2005-02-09 | 哈尔滨北龙兴电力科技有限公司 | Electric-saving protector of magnetic amplifier type electric motor |
| CN101166001A (en) * | 2006-10-16 | 2008-04-23 | 盈正豫顺电子股份有限公司 | Active bi-directional electric power adjuster |
| CN101394095A (en) * | 2007-09-18 | 2009-03-25 | 胜德国际研发股份有限公司 | Vehicle mounted power supply equipment |
| CN202513844U (en) * | 2011-12-30 | 2012-10-31 | 上海汽车集团股份有限公司 | Automotive multifunctional power supply |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479175A (en) * | 1982-08-13 | 1984-10-23 | Honeywell Inc. | Phase modulated switchmode power amplifier and waveform generator |
| JP3697112B2 (en) * | 1999-07-23 | 2005-09-21 | 株式会社千代田 | DC bidirectional converter |
| US20020125941A1 (en) * | 2001-03-08 | 2002-09-12 | Nguyen Tranh To | High efficiency switching amplifiers |
-
2011
- 2011-12-30 CN CN201110453968.6A patent/CN103187898B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678245Y (en) * | 2003-10-21 | 2005-02-09 | 哈尔滨北龙兴电力科技有限公司 | Electric-saving protector of magnetic amplifier type electric motor |
| CN101166001A (en) * | 2006-10-16 | 2008-04-23 | 盈正豫顺电子股份有限公司 | Active bi-directional electric power adjuster |
| CN101394095A (en) * | 2007-09-18 | 2009-03-25 | 胜德国际研发股份有限公司 | Vehicle mounted power supply equipment |
| CN202513844U (en) * | 2011-12-30 | 2012-10-31 | 上海汽车集团股份有限公司 | Automotive multifunctional power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103187898A (en) | 2013-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102510215B (en) | Three-level bidirectional direct-current converter and pulse width control method thereof | |
| CN104617779A (en) | Bidirectional-resonance bridge type modular multi-level switched capacitor DC-AC converter | |
| CN105305862A (en) | Capacitance self-voltage-sharing multi-level high-frequency inverter | |
| CN204945867U (en) | A kind of maximal power tracing controlling apparatus being applied to photovoltaic generating system | |
| CN109149922B (en) | Power factor correction circuit and alternating current charger for electric automobile using same | |
| CN103414340A (en) | Zero-current soft switching converter | |
| CN104052307A (en) | Bridge type modular multi-level two-way switched capacitor alternating current-alternating current converter | |
| CN104660033A (en) | Frequency conversion control method and device for single-inductor dual-output switch converter in continuous conduction mode | |
| CN103427637A (en) | Power converter circuit | |
| CN105116956A (en) | Maximum power tracing controller applied to photovoltaic power generation system | |
| CN103187898B (en) | Vehicular multifunctional (test) power supply | |
| CN104753445A (en) | Solar power supply device | |
| CN104682712A (en) | SCC (single-channel controller) structure applied to current source type LCL (lower control limit) high-frequency resonant converter | |
| CN103973138A (en) | Dynamic variable-frequency power conversion system | |
| JP2003088130A (en) | Built-in battery type power converter | |
| TWI305699B (en) | A power inverter for a solar energy photovoltaic system | |
| CN105633976A (en) | Electrolytic capacitor reactive power dynamic compensating circuit | |
| TWI482411B (en) | Current fed single load switch series resonant converter doubler | |
| CN202513844U (en) | Automotive multifunctional power supply | |
| CN116449065A (en) | Energy recovery type load instrument and electronic product testing device | |
| CN202497989U (en) | Ultrasonic atomizer circuit with adjustable voltage | |
| CN102891622A (en) | Z-source type double-switch alternating current inversion power supply | |
| CN212675132U (en) | Battery tester | |
| CN203827176U (en) | A multiphase multiple chopper circuit | |
| CN203747663U (en) | Frequency conversion power supply for driving small and medium-sized magneto striction transducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20211230 |