CN102412633A - Power control system based on frequency-adjustable wireless power transmission device - Google Patents
Power control system based on frequency-adjustable wireless power transmission device Download PDFInfo
- Publication number
- CN102412633A CN102412633A CN2011103646322A CN201110364632A CN102412633A CN 102412633 A CN102412633 A CN 102412633A CN 2011103646322 A CN2011103646322 A CN 2011103646322A CN 201110364632 A CN201110364632 A CN 201110364632A CN 102412633 A CN102412633 A CN 102412633A
- Authority
- CN
- China
- Prior art keywords
- frequency
- voltage
- unit
- circuit
- power
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title abstract description 6
- 230000010355 oscillation Effects 0.000 claims abstract description 41
- 230000009466 transformation Effects 0.000 claims abstract description 17
- 230000008859 change Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000005764 inhibitory process Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 230000001629 suppression Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Inverter Devices (AREA)
Abstract
The invention discloses a power supply control system based on a wireless power transmission device with adjustable frequency, which consists of a voltage transformation rectification conversion circuit, a harmonic suppression unit, a high-frequency oscillation unit and a power supply control unit. The voltage transformation, rectification and conversion circuit realizes adjustable control of input power and input voltage of the system and converts power frequency electricity into direct current; the harmonic suppression unit filters harmonic in direct current voltage converted by the voltage transformation rectification conversion circuit, meanwhile, high-frequency harmonic of a high-frequency oscillation system is prevented from influencing a preceding-stage circuit, the high-frequency oscillation unit takes a direct-current power supply as input and generates high-frequency high-voltage power alternating current through oscillation, an LC oscillation circuit is adopted in the oscillation circuit, an adjustable capacitor is adopted in a capacitor C participating in oscillation, and the power control unit controls rotation of a stepping motor connected with an adjusting rod of the capacitor C to realize adjustment of a capacitance value C. The system can be used as a control system of a high-frequency power supply of a high-power wireless power transmission device.
Description
Technical field
The present invention relates to wireless transmission of electricity high frequency electric source field, relate in particular to a kind of power control system of wireless power transmitting device of frequency adjustable, be applicable to occasion that the frequency adjustment excursion is little and the occasion that frequency stability is had relatively high expectations.
Background technology
The continuous development of science and technology in recent years, increasing electronic equipment also receives the puzzlement of numerous power lines and data wire for our life brings easily simultaneously, and this just forces us to seek the power line etc. that a kind of new power transfer mode is avoided numerous complicated.Therefore wireless power transmission receives people's attention just gradually as a kind of new power transfer mode, and it has important application and DEVELOPMENT PROSPECT, and the method for supplying of energy and people's life are produced influence difficult to the appraisal.At present, the wireless technology of transmission of electricity with better application prospect is based on the wireless charging system that magnetic coupled resonance technology realizes, and this system is generally operational in several MHz between tens MHz, existing power power-supply general many at hundreds of between tens KHzs.And the power power-supply of MHz output is relatively more expensive, and complex design, adopts the mode of the multistage amplification of electronic device to realize more.And adopt higher-order of oscillation principle design high frequency electric source, the frequency of power supply to be difficult for regulating automatically.
Summary of the invention
Technical problem to be solved by this invention is the weak point that overcomes the above-mentioned background technology; A kind of method for designing and solution thereof of power control system of the wireless power transmitting device based on frequency adjustable are provided, realize the frequency adjustment of high-power out-put supply effectively.
The present invention adopts following technical scheme for solving the problems of the technologies described above:
A kind of power control system of the wireless power transmitting device based on frequency adjustable comprises that transformation rectification transformating circuit, harmonic wave suppress unit, high frequency oscillation unit and power control unit; Wherein the transformation rectification transformating circuit will be imported power source voltage and carry out buck and handle, and the voltage transition after will handling is that direct current inputs to harmonic wave inhibition unit; The direct current that harmonic wave will suppress after the unit will change carries out offering high frequency oscillation unit after harmonic wave is handled, as the input power supply of high frequency oscillation unit; High frequency oscillation unit adopts
LCOscillating circuit becomes alternating current with direct current through vibration and exports receiving terminal to, wherein
LCElectric capacity in the oscillating circuit
CAdopt adjustable vacuum capacitance, the adjusting rod of said adjustable vacuum capacitance is connected with coaxial motor; Power control unit is used for the input voltage of regulating and controlling high frequency oscillation unit and regulates through the rotation of control coaxial motor
LCCapacitance in the oscillating circuit.
Further; The power control system of the wireless power transmitting device based on frequency adjustable of the present invention; The three phase voltage regulating circuit that said transformation rectification transformating circuit is made up of IGBT, the full bridge rectifier that rectification silicon stack is formed are formed, and the single-phase voltage regulating circuit of perhaps being made up of IGBT, the full bridge rectifier that rectification silicon stack is formed are formed.
Further, the power control system of the wireless power transmitting device based on frequency adjustable of the present invention, said harmonic wave suppress the unit and are made up of RC rc absorber, LCR filter network.
Further, the power control system of the wireless power transmitting device based on frequency adjustable of the present invention, said
LCInductance in the oscillating circuit
LAdopt hollow spiral inductance.
Further, the power control system of the wireless power transmitting device based on frequency adjustable of the present invention, said power control unit comprises current/voltage collector, phase discriminator, processor; Wherein the current/voltage collector is used for gathering electric current, the voltage value signal of high frequency oscillation unit oscillation circuit; Then electric current, voltage value signal are inputed to phase discriminator and carry out phase place, amplitude, the frequency that analyzing and processing obtains current and voltage signals; At last phase place, amplitude, the frequency of current and voltage signals are sent in the processor and are generated the control signal that is used for controlling transformation rectification transformating circuit IGBT and cut-offs, the control signal that is used to control the coaxial motor rotation respectively, thus the input voltage in the control high frequency oscillation unit and
LCCapacitance in the oscillating circuit.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
(1) promptly realize the output of higher-order of oscillation power through single power tube, simple in structure, overcome the complexity of multistage power amplification scheme;
(2) directly control the capacitance in the oscillation circuit and then change the frequency of exporting through master controller; Control is simple; Can change into the adjusting of supply frequency simultaneously and be control servomotor; The automatic adjusting of feasible system, the coupling that can adapt to the load frequency for power supply automatically provides feasible method;
(3) motor or servo system improve the response speed of system faster can to adopt response speed.
Description of drawings
Fig. 1 is the power control system The general frame that the present invention is based on the wireless power transmitting device of frequency adjustable;
Fig. 2 is a power control system internal control block diagram.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is done further detailed description:
Power control system with reference to wireless power transmitting device based on frequency adjustable shown in Figure 1 suppresses unit 2, high frequency oscillation unit 3 and power control unit 4 by transformation rectification transformating circuit 1, harmonic wave and forms, and the course of work is following:
Adopt civil power or power electricity to be the input power supply, through the transformation rectification transformating circuit voltage is carried out buck and handle, and the voltage transition after will handling is a direct current.Direct current after changing is suppressed the unit through harmonic wave
RCRc absorber,
LCRFilter network is handled, and forms the DC power supply that does not have harmonic wave basically and offers high frequency oscillation unit, as the input power supply of high frequency oscillation unit.Through the trigger angle of the IGBT in the power control unit control transformation rectification transformating circuit, thereby realize control to the input voltage of high frequency oscillation unit.
High frequency oscillation unit adopts
LCOscillating circuit, inductance
LAdopt hollow spiral inductance to realize, capacitor C adopts adjustable vacuum capacitance to realize, is connected to coaxial motor through the adjusting rod with adjustable vacuum capacitance, and the rotation of control motor realizes the adjusting to capacitance.
The output frequency of power-supply system can by
Obtain, therefore, at inductance
LUnder the constant situation, capacitance value
CCan realize change to system's output frequency.In addition, power control unit can be monitored collection in real time
LCThe voltage of oscillation circuit, current value signal are judged its phase difference, frequency etc. through the processor and the phase discriminator combination of power control unit, form further control signal stepping motor is carried out real-time regulated, change electric capacity in the oscillation circuit
CValue, thereby change the frequency of high frequency oscillation unit output, be applicable to occasion that the frequency adjustment excursion is little and the occasion that frequency stability is had relatively high expectations.
Cooperate shown in Figure 2ly, power control unit mainly comprises current-to-voltage convertor 4-1, differential-voltage comparator 4-2, phase discriminator 4-3, processor 4-4, motor driver 4-5, IGBT driver 4-6.Wherein, described processor 4-4 sends control signal respectively through electric machine controller 4-5, the rotation of IGBT driver control motor and cut-offfing of IGBT.Thereby regulate the value of change capacitor C and the input voltage of high frequency oscillation unit 3, and then realize the change of system's output frequency and output voltage values.Realization is to the adjusting of system frequency and voltage.
In the present embodiment; The transformation rectification transformating circuit carries out the amplitude modulation processing of output voltage to the power frequency civil power or the power electricity of input through the shutoff of IGBT; The drive control signal of described IGBT is provided by described processor 4-4; Control through to described IGBT can change output voltage amplitude, and the rectification of the process of the voltage after changing rectification silicon stack exports harmonic wave inhibition unit 2 to, and the type of attachment of described rectification silicon stack can be full-bridge or half-bridge connects.
Harmonic wave suppress unit 2 by
RCWith
LCLThe passive filtering unit of forming with
RCRc absorber, its major function are that the voltage with prime rectification output carries out further Filtering Processing, and form harmonic wave direct voltage less or that do not have harmonic wave basically and offer high frequency oscillation unit 3.Simultaneously, described harmonic wave suppresses unit 2 can also be realized the higher harmonic components that back level high frequency oscillation unit produces is filtered out, in order to avoid further feed back in the transformation rectification transformating circuit 1, influences the operate as normal of transformation rectification transformating circuit 1.
High frequency oscillation unit 3 adopts Colpitts oscillation circuit, inductance in the oscillation circuit
LAdopt the coiling of cored screw inductance, capacitor C adopts adjustable vacuum capacitance.Described adjustable vacuum capacitance C; Its adjusting rod links to each other with a stepping motor or servomotor output shaft; Change the value of capacitor C through the rotation of motor; The final change that realizes frequency of oscillation, the control signal of motor is sent by processor 4-4, and after motor driver 4-5 drives, exports the motor execution to.
More than to the power control system of the wireless power transmitting device based on frequency adjustable provided by the present invention; Carried out detailed introduction; Used specific embodiment among this paper principle of the present invention and execution mode are set forth, more than explanation is to be applicable to help to understand method of the present invention and core concept thereof; Simultaneously for those of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not understand limitation of the present invention.
Claims (5)
1. the power control system based on the wireless power transmitting device of frequency adjustable is characterized in that: comprise that transformation rectification transformating circuit, harmonic wave suppress unit, high frequency oscillation unit and power control unit; Wherein the transformation rectification transformating circuit will be imported power source voltage and carry out buck and handle, and the voltage transition after will handling is that direct current inputs to harmonic wave inhibition unit; The direct current that harmonic wave will suppress after the unit will change carries out offering high frequency oscillation unit after harmonic wave is handled, as the input power supply of high frequency oscillation unit; High frequency oscillation unit adopts
LCOscillating circuit becomes alternating current with direct current through vibration and exports receiving terminal to, wherein
LCElectric capacity in the oscillating circuit
CAdopt adjustable vacuum capacitance, the adjusting rod of said adjustable vacuum capacitance is connected with coaxial motor; Power control unit is used for the input voltage of regulating and controlling high frequency oscillation unit and regulates through the rotation of control coaxial motor
LCCapacitance in the oscillating circuit.
2. the power control system of the wireless power transmitting device based on frequency adjustable as claimed in claim 1; It is characterized in that: the three phase voltage regulating circuit that said transformation rectification transformating circuit is made up of IGBT, the full bridge rectifier that rectification silicon stack is formed are formed, and the single-phase voltage regulating circuit of perhaps being made up of IGBT, the full bridge rectifier that rectification silicon stack is formed are formed.
3. the power control system of the wireless power transmitting device based on frequency adjustable as claimed in claim 1 is characterized in that: said harmonic wave suppresses the unit and is made up of RC rc absorber, LCR filter network.
4. the power control system of the wireless power transmitting device based on frequency adjustable as claimed in claim 1 is characterized in that: said
LCInductance in the oscillating circuit
LAdopt hollow spiral inductance.
5. according to claim 1 or claim 2 power control system based on the wireless power transmitting device of frequency adjustable, it is characterized in that: said power control unit comprises current/voltage collector, phase discriminator, processor; Wherein the current/voltage collector is used for gathering electric current, the voltage value signal of high frequency oscillation unit oscillation circuit; Then electric current, voltage value signal are inputed to phase discriminator and carry out phase place, amplitude, the frequency that analyzing and processing obtains current and voltage signals; At last phase place, amplitude, the frequency of current and voltage signals are sent in the processor and are generated the control signal that is used for controlling transformation rectification transformating circuit IGBT and cut-offs, the control signal that is used to control the coaxial motor rotation respectively, thus the input voltage in the control high frequency oscillation unit and
LCCapacitance in the oscillating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103646322A CN102412633A (en) | 2011-11-17 | 2011-11-17 | Power control system based on frequency-adjustable wireless power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103646322A CN102412633A (en) | 2011-11-17 | 2011-11-17 | Power control system based on frequency-adjustable wireless power transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102412633A true CN102412633A (en) | 2012-04-11 |
Family
ID=45914550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103646322A Pending CN102412633A (en) | 2011-11-17 | 2011-11-17 | Power control system based on frequency-adjustable wireless power transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102412633A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269131A (en) * | 2013-05-23 | 2013-08-28 | 东南大学 | Electric car wireless charging stall system |
| CN103296627A (en) * | 2013-06-20 | 2013-09-11 | 国家电网公司 | Second order filter mechanism of rural power grid de-icing device |
| CN104135086A (en) * | 2014-07-28 | 2014-11-05 | 中国科学院电工研究所 | Resonant wireless energy transfer device |
| CN104716748A (en) * | 2013-12-12 | 2015-06-17 | 深圳大学 | Middle-distance wireless power supply system and high-frequency variable-frequency power source thereof |
| CN106787254A (en) * | 2017-03-17 | 2017-05-31 | 宁波微鹅电子科技有限公司 | Radio energy receiving terminal and wireless power supply system |
| CN108141061A (en) * | 2015-08-18 | 2018-06-08 | 伊顿智能动力有限公司 | It is configured to realize the method and circuit that multiphase wireless power transmits |
| CN109546759A (en) * | 2018-12-26 | 2019-03-29 | 北京酷能科技有限公司 | Current harmonics elimination circuit |
| CN110649928A (en) * | 2019-09-20 | 2020-01-03 | 深圳迈睿智能科技有限公司 | Microwave Doppler module |
| CN111308247A (en) * | 2020-03-15 | 2020-06-19 | 东南大学 | WPT system harmonic judgment method based on unilateral detection current phase change rate detection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964159A (en) * | 2005-11-10 | 2007-05-16 | 中国人民解放军海军工程大学 | A loosely coupled induction power supply |
| CN101834473A (en) * | 2010-05-21 | 2010-09-15 | 西安电子科技大学 | Resonant tracking non-contact power supply device and power supply method |
| CN102237724A (en) * | 2010-04-24 | 2011-11-09 | 祝常红 | Self-adaptive wireless charging system for electric vehicle |
| CN202334012U (en) * | 2011-11-17 | 2012-07-11 | 东南大学 | Power control system for wireless power transmission device based on adjustable frequency |
-
2011
- 2011-11-17 CN CN2011103646322A patent/CN102412633A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964159A (en) * | 2005-11-10 | 2007-05-16 | 中国人民解放军海军工程大学 | A loosely coupled induction power supply |
| CN102237724A (en) * | 2010-04-24 | 2011-11-09 | 祝常红 | Self-adaptive wireless charging system for electric vehicle |
| CN101834473A (en) * | 2010-05-21 | 2010-09-15 | 西安电子科技大学 | Resonant tracking non-contact power supply device and power supply method |
| CN202334012U (en) * | 2011-11-17 | 2012-07-11 | 东南大学 | Power control system for wireless power transmission device based on adjustable frequency |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103269131A (en) * | 2013-05-23 | 2013-08-28 | 东南大学 | Electric car wireless charging stall system |
| CN103296627A (en) * | 2013-06-20 | 2013-09-11 | 国家电网公司 | Second order filter mechanism of rural power grid de-icing device |
| CN104716748A (en) * | 2013-12-12 | 2015-06-17 | 深圳大学 | Middle-distance wireless power supply system and high-frequency variable-frequency power source thereof |
| CN104716748B (en) * | 2013-12-12 | 2017-05-24 | 深圳大学 | Middle-distance wireless power supply system and high-frequency variable-frequency power source thereof |
| CN104135086A (en) * | 2014-07-28 | 2014-11-05 | 中国科学院电工研究所 | Resonant wireless energy transfer device |
| CN108141061A (en) * | 2015-08-18 | 2018-06-08 | 伊顿智能动力有限公司 | It is configured to realize the method and circuit that multiphase wireless power transmits |
| CN108141061B (en) * | 2015-08-18 | 2022-04-19 | 伊顿智能动力有限公司 | Method and circuit configured to enable multi-phase wireless power transfer |
| CN106787254A (en) * | 2017-03-17 | 2017-05-31 | 宁波微鹅电子科技有限公司 | Radio energy receiving terminal and wireless power supply system |
| CN109546759A (en) * | 2018-12-26 | 2019-03-29 | 北京酷能科技有限公司 | Current harmonics elimination circuit |
| CN110649928A (en) * | 2019-09-20 | 2020-01-03 | 深圳迈睿智能科技有限公司 | Microwave Doppler module |
| CN111308247A (en) * | 2020-03-15 | 2020-06-19 | 东南大学 | WPT system harmonic judgment method based on unilateral detection current phase change rate detection |
| CN111308247B (en) * | 2020-03-15 | 2022-08-02 | 东南大学 | WPT system harmonic judgment method based on unilateral detection current phase change rate detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102412633A (en) | Power control system based on frequency-adjustable wireless power transmission device | |
| CN107618388B (en) | Wireless charging system of electric automobile | |
| CN105141045A (en) | Magnetic coupling resonance-type wireless electric energy transmission control system | |
| CN108599603B (en) | Modular multilevel converter and capacitor voltage ripple suppression method thereof | |
| CN202334012U (en) | Power control system for wireless power transmission device based on adjustable frequency | |
| CN101414788A (en) | DC constant current power supply with low ripple implemented through mixing IGBT series and parallel connections | |
| CN203352842U (en) | Induction heating equipment with frequency tracking circuit | |
| CN114362389B (en) | Constant voltage output wireless energy transmission system with large input voltage, load and mutual inductance variation | |
| CN103166474A (en) | Primary side series connection vice side series-parallel connection compensation non-contact resonant converter | |
| CN103904907A (en) | Alternating-current digital control voltage-regulation current-control power transmission device | |
| CN108923549A (en) | Magnet coupled resonant type wireless energy transmission system and its maximum power point control method | |
| CN106026687A (en) | Permanent magnet synchronous electric drive system | |
| CN113422441A (en) | High-efficiency voltage-stabilizing wireless charging system for electric automobile and design method thereof | |
| CN210608707U (en) | LCCL-based non-contact electric rail device | |
| CN104883042A (en) | Method and device for processing output voltage ripple of charger | |
| CN106130387B (en) | Grid-connected inverters control method containing LCL filter | |
| CN102364863B (en) | High-frequency power system for wireless power transmission device | |
| CN108900098B (en) | Input power control system and control method of low-frequency dynamic magnet power supply | |
| CN204504498U (en) | A kind of rail welding electron-beam welder filament supply device | |
| CN202334327U (en) | High frequency power source system for wireless power transmission device | |
| CN203482094U (en) | Efficient power conversion device | |
| CN104901404A (en) | Charging circuit and output control method | |
| CN110995017B (en) | High-voltage resonant network energy fluctuation control circuit and control method | |
| CN103368431B (en) | A kind of MMC upper and lower bridge arm separation control method | |
| CN103973189B (en) | The oscillation suppression method of a kind of frequency conversion drive asynchronous machine and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120411 |