CN103187898A - Multifunctional (test) power supply for vehicle - Google Patents
Multifunctional (test) power supply for vehicle Download PDFInfo
- Publication number
- CN103187898A CN103187898A CN2011104539686A CN201110453968A CN103187898A CN 103187898 A CN103187898 A CN 103187898A CN 2011104539686 A CN2011104539686 A CN 2011104539686A CN 201110453968 A CN201110453968 A CN 201110453968A CN 103187898 A CN103187898 A CN 103187898A
- Authority
- CN
- China
- Prior art keywords
- push
- igbt
- voltage
- 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.)
- Granted
Links
Images
Abstract
The invention provides a multifunctional power supply for a vehicle. The multifunctional power supply for the vehicle comprises an insulated gate bipolar transistor (IGBT) module, a bidirectional push-pull oscillating circuit assembly and an IGBT driver. The IGBT module is used for conducting alternating current (AC)-to-direct current (DC) conversion and DC-to-AC conversion (such as feedback of power grid discharge and the like). The bidirectional push-pull oscillating circuit assembly comprises a first push-pull circuit, a high frequency oscillating circuit and a second push-pull circuit, wherein the first push-pull circuit is used for converting direct voltage output from the IGBT module into alternating voltage, converting alternating voltage extracted from the high frequency oscillating circuit into direct voltage and feeding back the converted alternating voltage and the converted direct voltage to the IGBT module; the high frequency oscillating circuit is used for changing the alternating voltage through pulse width adjustment under 50kHz or higher frequency; and the second push-pull circuit is used for converting the alternating voltage changed by the high frequency oscillating circuit into direct voltage, converting direct voltage extracted from a load into alternating voltage, and feeding back the converted direct voltage and the converted alternating voltage to the high frequency oscillating circuit. The IGBT driver is used for on-off control of all switching elements in the IGBT module, the first push-pull circuit and the second push-pull circuit through closed-loop control of a single chip microcomputer, so that power output is maintained at an expected value in a stable mode.
Description
Technical field
The application relates to field of power supplies.More particularly, the application relates to energy-saving Vehicular multifunctional power supply.
Background technology
In processes such as the production of automobile, test, wish that generally automobile-used (test) power supply can provide more than 200 ampere 12～13.5 volts starter big electric current, the power supply that automobile storage battery is charged and the vehicle test of 12～16V are with high-current supply etc.
In the prior art, adopt the low-frequency voltage device to carry out supply voltage conversion in the mode of non-switch usually and realize automobile-used (test) power supply.Yet because this experiment power supply adopts low-frequency voltage device to carry out the power supply conversion, so efficient is not high, volume is too huge too fat to move and heat radiation had higher requirement.Because this experiment power supply adopts the mode of non-switch to work, its voltage regulation result is not good and load is bigger to the power source voltage influence again.
In addition, there is the demand of automobile storage battery being carried out the power supply (be that it not only can provide the current impulse of deciding under the voltage system, can provide the voltage-regulation mode again) of the work that discharges and recharges under the standard mode.Also there is the demand that the high power vehicular inverter is provided.
Summary of the invention
One of purpose of the application is to provide a kind of improved energy-saving Vehicular multifunctional power supply.
An aspect according to the application provides a kind of Vehicular multifunctional power supply, comprising: the module IGBT(igbt) is used for carrying out AC/DC conversion and DC/AC inversion (for example feedback grid discharge etc.); Two-way push-pull oscillator circuit, comprise first push-pull circuit, high-frequency oscillating circuits and second push-pull circuit and first push-pull circuit and second push-pull circuit are coupling in the both sides of high-frequency oscillating circuits respectively, wherein, described first push-pull circuit is used for will being converted to alternating voltage from the direct voltage of described IGBT module output and will being converted to direct voltage from the alternating voltage that high-frequency oscillating circuits extracts and feeding back to the IGBT module; Described high-frequency oscillating circuits is used for by pulse-width regulated alternating voltage being changed under 50kHz or higher frequency; Described second push-pull circuit is used for will being converted to direct voltage through the alternating voltage that high-frequency oscillating circuits changes and will being converted to alternating voltage from the direct voltage that load is extracted and feeding back to high-frequency oscillating circuits; And the IGBT driver, be used for via the closed-loop control of single-chip microcomputer each switch element of IGBT module, first push-pull circuit and second push-pull circuit being carried out break-make control, make power supply output be stabilized in desired value.
Another aspect according to the application, a kind of two-way push-pull oscillator circuit is provided, comprise first push-pull circuit, high-frequency oscillating circuits and second push-pull circuit, first push-pull circuit and second push-pull circuit are coupling in the both sides of high-frequency oscillating circuits respectively, wherein, described first push-pull circuit is used for the direct voltage of input is converted to alternating voltage and will be converted to direct voltage from the alternating voltage that high-frequency oscillating circuits extracts; Described high-frequency oscillating circuits is used under 50kHz or higher frequency alternating voltage being changed; Described second push-pull circuit is used for will being converted to direct voltage through the alternating voltage that high-frequency oscillating circuits changes and will being converted to alternating voltage from the direct voltage that load is extracted and feeding back to high-frequency oscillating circuits.
Compared with prior art, the application has following advantage at least: the first, and in this application, the Vehicular multifunctional power supply adopts on ﹠ off operation mode, makes it possible to obtain stable voltage output; The second, adopt high-frequency oscillating circuits to replace the low-frequency transformer of prior art in this application, realized the raising of aspect matter such as conversion efficiency, weight, volume; The 3rd, in the application's a execution mode, 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 enlarges; The 4th, the application's Vehicular multifunctional power supply adopts brand-new circuit design, has increased the feedback grid discharging function, makes that this power supply is more energy-conservation and can be used in more accurate storage battery test.
Description of drawings
Fig. 1 is the structured flowchart according to the Vehicular multifunctional power supply of the application's a embodiment;
Fig. 2 is the structured flowchart according to the Vehicular multifunctional power supply of another embodiment of the application;
Fig. 3 (a) is the circuit diagram according to the IGBT module of the application's a embodiment;
Fig. 3 (b) is the equivalent circuit diagram of the IGBT module according to the application's a embodiment when being operated in the AC/DC conversion;
Fig. 4 is the current direction schematic diagram of the IGBT module according to the application's a embodiment when being operated in DC/AC inversion (for example feedback grid discharge etc.);
Fig. 5 is an embodiment according to the application, the voltage output schematic diagram after IGBT modules A C/DC conversion;
Fig. 6 be according to the application an embodiment, through IGBT modules A C/DC conversion and the filtered voltage output of electrochemical capacitor schematic diagram;
Fig. 7 is the circuit diagram according to the two-way push-pull oscillator circuit of the application's a embodiment;
Fig. 8 is the circuit diagram according to the Vehicular multifunctional power supply of the application's a embodiment.
Embodiment
What introduce below is a plurality of some in may 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.Understand easily, according to technical scheme of the present invention, do not changing under the connotation of the present invention, but one of ordinary skill in the art can propose other implementation of mutual alternative.Therefore, following embodiment and accompanying drawing only are the exemplary illustrations to technical scheme of the present invention, and should not be considered as of the present invention all or be considered as restriction or restriction to technical solution of the present invention.
Fig. 1 is the structured flowchart according to the Vehicular multifunctional power supply of the application's a embodiment.This Vehicular multifunctional power supply comprises: IGBT module 110, two-way push-pull oscillator circuit 120 and IGBT driver 130.IGBT module 110 is used for carrying out AC/DC conversion and DC/AC inversion (for example feedback grid discharge etc.).Two-way push-pull oscillator circuit 120 comprises that further first push-pull circuit 121, high-frequency oscillating circuits 122 and second push-pull circuit, 123, the first push-pull circuits 121 are used for will being converted to alternating voltage from the direct voltage of IGBT module 110 outputs and will being converted to direct voltage from the alternating voltage that high-frequency oscillating circuits extracts and feeding back to the IGBT module.High-frequency oscillating circuits 122 for example is used under 50kHz or higher frequency by pulse-width regulated etc. alternating voltage being changed.Second push-pull circuit 123 is used for will being converted to direct voltage through the alternating voltage that high-frequency oscillating circuits 122 changes and will being converted to alternating voltage from the direct voltage that the load (not shown) extracts and feeding back to high-frequency oscillating circuits 122.IGBT driver 130 for example is used for via the closed-loop control of single-chip microcomputer etc. each switch element of IGBT module 110, first push-pull circuit 121 and second push-pull circuit 123 being carried out break-make control, makes power supply output be stabilized in desired value.
In a concrete realization, the IGBT driver can adopt the mode of SPWM and SPM combination to come each switch element in IGBT module 110, first push-pull circuit 121 and second push-pull circuit 123 is carried out break-make control.For example, can adopt the mode of SPWM that each switch element in IGBT module 110 and first push-pull circuit 121 is carried out break-make control, and adopt the mode of SPM that each switch element in second push-pull circuit 123 is carried out break-make control simultaneously, etc.So-called SPWM(Sinusoidal PWM), be exactly to change the modulating pulse mode on the basis of pulse width modulation (PWM), make the pulse width time duty ratio arrange by sinusoidal rule, output waveform can be accomplished sinewave output through suitable filtering like this.
Can adopt multiple scheme 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, calculate the width of each pulse and at interval then, and these data are stored in the microcomputer, generate the break-make of pwm signal control switch device by the mode of tabling look-up.Because the method is that the basic principle of controlling with SPWM is starting point, can calculate the break-make of each switching device exactly constantly, the waveform of its gained is very near sine wave.
2. hardware modulation method
Hardware modulation ratio juris be desirable waveform as modulation signal, the signal of accepting to modulate as carrier wave, is obtained desired PWM waveform by the modulation to carrier wave.Usually adopt isosceles triangle as carrier wave, when modulation signal was dialled to sine wave, resulting was exactly the SPWM waveform.This method realizes fairly simple, can constitute triangular wave carrier and Sine Modulated wave generation circuit with analog circuit, determines their intersection point with comparator, in the intersection point moment break-make of switching device is controlled, and just can generate the SPWM ripple.
3. software method of formation
Because the development of microcomputer technology makes that generating the SPWM waveform with software becomes than being easier to, therefore, the software method of formation also just arises at the historic moment.The software method of formation is exactly in fact to realize the method for modulating with software that 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 the SPWM ripple and offer IGBT driver 130.In a kind of preferred realization, single-chip microcomputer 160 can be the AVR single-chip microcomputer.The AVR single-chip microcomputer is the high speed embedded scm, interior band analog comparator, and its I/O port can be used as analog to digital converter.It has a plurality of fixedly interrupt vector entrances again, can respond interruption fast.In addition, the AVR single-chip microcomputer also has advantages such as power consumption is low, security performance is good.
Further with reference to figure 2, compare with Vehicular multifunctional power supply shown in Figure 1, Vehicular multifunctional power supply shown in Figure 2 further comprises single-chip microcomputer 160, first voltage comparator 150, second voltage comparator 170, keyboard 180, liquid crystal display 190 and filter circuit 140.
Keyboard 180 and display unit 190 are coupled with single-chip microcomputer 160 respectively.Keyboard 180 is used for expecting voltage and/or electric current to single-chip microcomputer 160 input users, and display unit 190 is used for showing the information that receives 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.
In the application's a realization, shown in Fig. 3 (a) and Fig. 3 (b), IGBT module 110 can comprise four IGBT G1～G4, wherein first end of first end of G1 and G3 is coupled, second end of G1 and first end of G2 are coupled, second end of G2 and second end of G4 are coupled, and second end of G3 and first end of G4 are coupled.It is worthy of note that " first end " described here or " second end " refer to source electrode or the drain electrode of IGBT.
When being input as " 0 ", G1～G4 is in off state when the grid (being control end) of G1～G4.Meanwhile, the fly-wheel diode in parallel with each IGBT just in time is combined as bridge rectifier, and its equivalent electric circuit sees also Fig. 3 (b).Thereby at this moment the IGBT module can be converted to direct current output with exchanging input.In bridge rectifier, each fly-wheel diode uses as switch, has unilateral conduction.When the input AC electricity was in positive half cycle, the fly-wheel diode conducting corresponding with G1 and G4 obtained sinusoidal wave positive half cycle at load resistance.When the input AC electricity is in negative half period, the fly-wheel diode conducting corresponding with G2 and G3, the sine wave that obtains at load resistance remains positive half cycle.Fig. 5 has specifically provided this direct voltage output schematic diagram.
Again with reference to figure 3(a) and Fig. 3 (b), IGBT module 110 can comprise that also electrochemical capacitor is to be used for carrying out filtering through the voltage of IGBT modules A C/DC conversion.Fig. 6 shows a embodiment according to the application, through IGBT modules A C/DC conversion and the filtered voltage of electrochemical capacitor.
When IGBT module 110 is used for DC/AC inversion (for example feedback grid discharge etc.), G1, G4 and G2, G3 alternate conduction.As shown in Figure 4, the solid line among the figure shows the current direction when G1 and G4 conducting, and dotted line then shows the current direction when G2 and G3 conducting.As G1, G4 conducting and G2, G3 when turn-offing, the voltage at load two ends is for just.As G2, G3 conducting and G1, G4 when turn-offing, the voltage at load two ends is for negative.Like this, also just realized from direct current to the transformation that exchanges, i.e. inversion process.And, by changing conducting/shutoff 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 first push-pull circuit 121, high-frequency oscillating circuits 122 and second push-pull circuit 123.In a specific implementation, first push-pull circuit 121 and second push-pull circuit 123 can comprise four enhancement mode MOS(metal-oxide semiconductor (MOS)s respectively) 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, first end of first end of N1 and first end of N2, high-frequency oscillating circuits 122 is coupled, second end of N1 and second end of N2, be coupled, second end of first end of N3 and first end of N4, high-frequency oscillating circuits is coupled, second end of N3 and second end of N4, be coupled.Similarly, the 3rd end of first end of N5 and first end of N6, high-frequency oscillating circuits is coupled, second end of N5 and second end of N6, be coupled, the 4th end of first end of N7 and first end of N8, high-frequency oscillating circuits is coupled, second end of N7 and second end of N8, be coupled.
When first push-pull circuit 121 is used for being converted to alternating voltage from the direct voltage of IGBT module 110 outputs, make N1, N2 and N3, N4 alternate conduction.And when first push-pull circuit 121 was used for being converted to direct voltage from the alternating voltage that high-frequency oscillating circuits extracts, the IGBT driver turn-offed N1～N4.When N1～N4 turn-offed, the fly-wheel diode corresponding with N1～N4 began to bring into play rectified action.
Similarly, when second push-pull circuit 123 is used for being converted to direct voltage through the alternating voltage that high-frequency oscillating circuits 122 changes, N5～N8 is turn-offed.At this moment, corresponding with N5～N8 fly-wheel diode begins to bring into play rectified action.And when second push-pull circuit 123 is used for being converted to alternating voltage from the direct voltage that load is extracted, make N5, N6 and N7, N8 alternate conduction.
Fig. 8 is the circuit diagram according to the Vehicular multifunctional power supply of the application's a embodiment.Compare with block diagram shown in Figure 2, Fig. 8 also comprises phase sampling circuit, photoisolator, Hall current sensor and the bidirectional current transducer of being made up of variable resistor WR1, first resistance R 1, the first diode D1 and Schmidt trigger etc.Phase sampling circuit is used for and will offers single-chip microcomputer from the phase information that the IGBT module of being made up of G1～G4 is gathered.Photoisolator is isolated for the electricity of realizing single-chip microcomputer and phase sampling circuit, IGBT driver etc.The bidirectional current transducer is used for the circuit of the sensing first output branch road, and Hall current sensor is used for the electric current of the sensing second output branch road, 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 the some of them specific embodiment is described, those of ordinary skills should understand, and the present invention can be in not departing from its purport and scope implements with many other forms.Therefore, the example of showing and execution mode are regarded as illustrative and not restrictive, and under the situation that does not break away from the defined spirit of claim and scope, the application may contain various modifications and replacement.
In sum, the application's Vehicular multifunctional power supply adopts on ﹠ off operation mode to make it possible to obtain stable voltage output, and adopt high-frequency oscillating circuits to replace the low-frequency transformer of prior art, realized the raising of 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 enlarges.Moreover the application's Vehicular multifunctional power supply adopts brand-new circuit design, has increased the feedback grid discharging function, makes that this power supply is more energy-conservation and can be used in more accurate storage battery test.
Claims (18)
1. Vehicular multifunctional power supply comprises:
The IGBT module is used for carrying out AC/DC conversion and DC/AC inversion;
Two-way push-pull oscillator circuit, comprise first push-pull circuit, high-frequency oscillating circuits and second push-pull circuit and first push-pull circuit and second push-pull circuit are coupling in the both sides of high-frequency oscillating circuits respectively, wherein, described first push-pull circuit is used for will being converted to alternating voltage from the direct voltage of described IGBT module output and will being converted to direct voltage from the alternating voltage that high-frequency oscillating circuits extracts and feeding back to the IGBT module; Described high-frequency oscillating circuits is used for by pulse-width regulated alternating voltage being changed under 50kHz or higher frequency; Described second push-pull circuit is used for will being converted to direct voltage through the alternating voltage that high-frequency oscillating circuits changes and will being converted to alternating voltage from the direct voltage that load is extracted and feeding back to high-frequency oscillating circuits; And
The IGBT driver is used for via the closed-loop control of single-chip microcomputer each switch element of IGBT module, first push-pull circuit and second push-pull circuit being carried out break-make control, makes power supply output be stabilized in desired value.
2. Vehicular multifunctional power supply as claimed in claim 1, wherein the IGBT driver adopts the mode of SPWM and PWM combination to come each switch element in IGBT module, first push-pull circuit and second push-pull circuit is carried out break-make control.
3. Vehicular multifunctional power supply as claimed in claim 1, wherein said IGBT module are used for carrying out the feedback grid discharge.
4. Vehicular multifunctional power supply as claimed in claim 1 also comprises:
First voltage comparator is used for voltage and first reference voltage of the output of IGBT module are compared, and comparative result is sent to single-chip microcomputer; With
Second voltage comparator is used for output voltage and second reference voltage of Vehicular multifunctional power supply are compared, and comparative result is sent to single-chip microcomputer;
Wherein, single-chip microcomputer provides control signal to the IGBT driver in real time according to the comparative result of first voltage comparator and second voltage comparator.
5. Vehicular multifunctional power supply as claimed in claim 1 also comprises:
Keyboard is for expect voltage and/or electric current to single-chip microcomputer input user; With
Display unit is used for showing the information that receives from single-chip microcomputer.
6. Vehicular multifunctional power supply as claimed in claim 1 also comprises:
Filter circuit is coupling in the IGBT module and exchanges between the input.
7. Vehicular multifunctional power supply as claimed in claim 1 also comprises:
By the phase sampling circuit that variable resistor, first resistance, first diode and Schmidt trigger are formed, the phase information that described phase sampling circuit will be gathered from the IGBT module offers single-chip microcomputer.
8. Vehicular multifunctional power supply as claimed in claim 1 also comprises:
Current sensor is used for the electric current of sensing output branch road, and will offers the analog-to-digital conversion port of single-chip microcomputer with this current related information.
9. Vehicular multifunctional power supply as claimed in claim 1, wherein said IGBT module comprises an IGBT, the 2nd IGBT, the 3rd IGBT and the 4th IGBT, and wherein first end of first end of an IGBT and the 3rd IGBT is coupled, second end of the one IGBT and first end of the 2nd IGBT are coupled, second end of the 2nd IGBT and second end of the 4th IGBT are coupled, and second end of the 3rd IGBT and first end of the 4th IGBT are coupled.
10. Vehicular multifunctional power supply as claimed in claim 9, wherein when the IGBT module was used for the AC/DC conversion, the IGBT driver turn-offed first to fourth IGBT.
11. Vehicular multifunctional power supply as claimed in claim 9, wherein when the IGBT module was used for the DC/AC inversion, the IGBT driver made the first, the 4th IGBT and second, third IGBT alternate conduction.
12. Vehicular multifunctional power supply as claimed in claim 1, wherein said first push-pull circuit comprises first, second, third and fourth reinforcing MOS transistor, and first end of first end of first reinforcing MOS transistor and second reinforcing MOS transistor wherein, first end of high-frequency oscillating circuits is coupled, second end of first reinforcing MOS transistor and second end of second reinforcing MOS transistor, be coupled, first end of the 3rd reinforcing MOS transistor and first end of the 4th reinforcing MOS transistor, second end of high-frequency oscillating circuits is coupled, second end of the 3rd reinforcing MOS transistor and second end of the 4th reinforcing MOS transistor, be coupled.
13. Vehicular multifunctional power supply as claimed in claim 12, wherein when first push-pull circuit was used for being converted to alternating voltage from the direct voltage of described IGBT module output, the IGBT driver made first, second reinforcing MOS transistor and the 3rd, the 4th reinforcing MOS transistor alternate conduction.
14. Vehicular multifunctional power supply as claimed in claim 12, wherein when first push-pull circuit was used for being converted to direct voltage from the alternating voltage that high-frequency oscillating circuits extracts, the IGBT driver turn-offed first to fourth reinforcing MOS transistor.
15. Vehicular multifunctional power supply as claimed in claim 1, wherein said second push-pull circuit comprises the 5th, the 6th, the the 7th and the 8th reinforcing MOS transistor, and first end of first end of the 5th reinforcing MOS transistor and the 6th reinforcing MOS transistor wherein, the 3rd end of high-frequency oscillating circuits is coupled, second end of the 5th reinforcing MOS transistor and second end of the 6th reinforcing MOS transistor, be coupled, first end of the 7th reinforcing MOS transistor and first end of the 8th reinforcing MOS transistor, the 4th end of high-frequency oscillating circuits is coupled, second end of the 7th reinforcing MOS transistor and second end of the 8th reinforcing MOS transistor, be coupled.
16. Vehicular multifunctional power supply as claimed in claim 15, wherein when second push-pull circuit was used for being converted to direct voltage through the alternating voltage that high-frequency oscillating circuits changes, the IGBT driver turn-offed the 5th to the 8th reinforcing MOS transistor.
17. Vehicular multifunctional power supply as claimed in claim 15, wherein when second push-pull circuit was used for being converted to alternating voltage from the direct voltage that load is extracted, the IGBT driver made the 5th, the 6th reinforcing MOS transistor and the 7th, the 8th reinforcing MOS transistor alternate conduction.
18. two-way push-pull oscillator circuit, comprise first push-pull circuit, high-frequency oscillating circuits and second push-pull circuit, first push-pull circuit and second push-pull circuit are coupling in the both sides of high-frequency oscillating circuits respectively, wherein, described first push-pull circuit is used for the direct voltage of input is converted to alternating voltage and will be converted to direct voltage from the alternating voltage that high-frequency oscillating circuits extracts; Described high-frequency oscillating circuits is used under 50kHz or higher frequency alternating voltage being changed; Described second push-pull circuit is used for will being converted to direct voltage through the alternating voltage that high-frequency oscillating circuits changes and will being converted to alternating voltage from the direct voltage that load is extracted and feeding back to high-frequency oscillating circuits.
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 true CN103187898A (en) | 2013-07-03 |
| CN103187898B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950238A (en) * | 2014-03-24 | 2015-09-30 | 比亚迪股份有限公司 | Fault detection method and fault detection device for current converter and IGBT drive circuit thereof |
| CN105227165A (en) * | 2014-06-27 | 2016-01-06 | 西门子公司 | IGBT gate drive circuit, IGBT device and electric automobile |
Citations (7)
| 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 |
| JP2001037226A (en) * | 1999-07-23 | 2001-02-09 | Chiyoda:Kk | Dc bidirectional converter |
| US20020125941A1 (en) * | 2001-03-08 | 2002-09-12 | Nguyen Tranh To | High efficiency switching amplifiers |
| 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 |
-
2011
- 2011-12-30 CN CN201110453968.6A patent/CN103187898B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
| JP2001037226A (en) * | 1999-07-23 | 2001-02-09 | Chiyoda:Kk | Dc bidirectional converter |
| US20020125941A1 (en) * | 2001-03-08 | 2002-09-12 | Nguyen Tranh To | High efficiency switching amplifiers |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950238A (en) * | 2014-03-24 | 2015-09-30 | 比亚迪股份有限公司 | Fault detection method and fault detection device for current converter and IGBT drive circuit thereof |
| 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 |
| CN105227165A (en) * | 2014-06-27 | 2016-01-06 | 西门子公司 | IGBT gate drive circuit, IGBT device and electric automobile |
| CN105227165B (en) * | 2014-06-27 | 2021-04-20 | 西门子公司 | IGBT gate pole drive circuit, IGBT device and electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103187898B (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102437765B (en) | A kind of inverter topology circuit, inverse method and a kind of inverter | |
| US9030857B2 (en) | Five-stage neutral point clamped inverter | |
| CN104040861B (en) | The control device of mode of resonance DC DC changer | |
| CN102362419B (en) | Control device for transformer coupling type booster | |
| TW201037956A (en) | DC/AC inverter | |
| CN106685242B (en) | Single-stage AC to DC converter | |
| CN103476176A (en) | Backlight drive circuit and television | |
| JP4735188B2 (en) | Power converter | |
| CN103427637A (en) | Power converter circuit | |
| CN104065295A (en) | Control method suitable for H bridge hybrid cascaded inverter with voltage ratio of 1:2 | |
| CN200980040Y (en) | A power converter | |
| 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 | |
| CN104753445A (en) | Solar power supply device | |
| JP2012222998A (en) | Voltage control circuit | |
| CN103187898B (en) | Vehicular multifunctional (test) power supply | |
| TWI482411B (en) | Current fed single load switch series resonant converter doubler | |
| CN202513844U (en) | Automotive multifunctional power supply | |
| CN209767386U (en) | Four-port converter with bipolar output | |
| CN1808870A (en) | Tri-switch single-stage voltage boosting/reducing inverter | |
| CN204349777U (en) | The insulating power supply that a kind of IGBT drives | |
| CN108599581A (en) | A kind of large capacity isolated form DC/DC converters based on multiphase three-level inverter | |
| CN211046541U (en) | Multifunctional battery charging device | |
| CN205509619U (en) | High -power quick charging device of battery |
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 |