CN105262189A - Wireless charging system of electric logistic vehicle AGV - Google Patents
Wireless charging system of electric logistic vehicle AGV Download PDFInfo
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- CN105262189A CN105262189A CN201510824231.9A CN201510824231A CN105262189A CN 105262189 A CN105262189 A CN 105262189A CN 201510824231 A CN201510824231 A CN 201510824231A CN 105262189 A CN105262189 A CN 105262189A
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Abstract
The invention discloses a wireless charging system of an electric logistic vehicle AGV, and in particular relates to an electromagnetic resonant type wireless charging system of the electric logistic vehicle AGV. According to the wireless charging system, wired charging is replaced by wireless charging, so that full-automatic unmanned control of the electric logistic vehicle AGV is achieved; the electromagnetic resonant type wireless electric energy transmission method is adopted, thus increasing transmission distance; a transmitting coil and a receiving coil with magnetic conductive structures are adopted, and thereby the transmission efficiency is increased, and the electromagnetic radiation is reduced; a super-capacitor is used for storing energy, so that quick charging of the vehicle when parking at fixed points can be achieved; a single tuned filter, a single phase rectifier and a small capacity high frequency capacitor are adopted, thus achieving the high power factor on the input side of an inverter; single phase inverter full-bridge phase shifting PWM is adopted to control, thus simplifying the circuit structure.
Description
Technical field
The present invention relates to a kind of electric vehicle for logistics AGV radio energy charging system, particularly relate to a kind of electric vehicle for logistics AGV electromagentic resonance formula radio energy charging system.
Background technology
AGV is the industrial vehicle of a kind of automatic manipulation traveling taking storage battery as power source, automatic guide, by the requirement of material handling operation automation, flexibility and Panel management, forms automated guided vehicle system (AGVS) with automatic guiding system, automatic assembling and disassembling system, communication system, electric energy transmission system etc.Current various new A GV is widely used in every field, and modular AGV is mainly used in short-range material transportation and the process equipment higher with automaticity forms flexible production line, the automatic loading and unloading of such as warehousing goods and carrying; Small-sized loading formula AGV is used for the automatic distributing of office's mail and the mounting plate of electron trade; The platform-type AGV of multiple loading forms Pneumatic conveying line, forms car load flexible assemble production line; Small-sized AGV application is more extensive, and based on long apart from uncomplicated path planning.
Electric vehicle for logistics AGV charges and mainly adopts contact charging technique at present, and compared with charging with contact, wireless charging is easy to use, safe, without fire, without laying dust and contact loss, without corresponding maintenance issues.Electric vehicle for logistics AGV wireless charging is convenient to realize unmanned automatic charging and portable charging, in addition can also can under the prerequisite of frequent charge at guarantee energy storage device, the energy storage device capacity of electric vehicle for logistics AGV outfit is significantly reduced by frequent charge, alleviate car body weight, put forward high-octane effective rate of utilization.Ultracapacitor power density is large, and the discharge and recharge time is short, and large current density electrical characteristics are good, and the life-span is long, and low-temperature characteristics is better than storage battery, are suitable for frequent charge, and the performance of these excellences makes it on electric vehicle for logistics AGV, have good application prospect; And reduce the initial acquisition cost that energy storage device capacity can reduce electric vehicle for logistics AGV, advance the marketization of electric vehicle for logistics AGV.Therefore, adopt the super capacitor electric vehicle for logistics AGV of wireless charging technology, can quick charge be realized.
In electric vehicle for logistics AGV wireless power transmission charge super capacitance energy storage running, suppose that electric vehicle for logistics AGV is from A website, travel to next website, arrange at a certain distance on the way B, C ... the some charging websites of M, through each website, just wireless charging can be realized if needed.Super capacitor energy-storage capacity can determine according to the distance of two websites, each website is installed a charge power supply and is passed through wireless transmission, can wireless charging be carried out in each website electric vehicle for logistics AGV dwell time, if the capacity of such super capacitor ensure stop spacing from capacity.
Two kinds of conventional at present wireless charging technology: induction and electromagentic resonance formula.Relative to induction type mobile charging system, the transmission range of electromagentic resonance formula is farther, can the omnibearing delivery of electrical energy in implementation space.
Traditional electric vehicle for logistics adopts lead acid accumulator energy storage substantially, and at the wired charging 6-8 hour of charge point, the electric energy of charging can not meet the electric energy needs of duration of work, if increase the capacity of storage battery, volume, weight, cost all will increase; If do not increase the capacity of storage battery, electric vehicle for logistics will charge during operation, this reduces the operating time of electric vehicle for logistics.
Electric vehicle for logistics AGV adopts super capacitor energy-storage, and in running, stop adopts wireless quick charge, can reduce stored energy capacitance, and simultaneously electric vehicle for logistics AGV can continuous operation, does not need to take the other charging interval.
Summary of the invention
The present invention is in conjunction with electric vehicle for logistics AGV application demand, low frequency high efficiency fixed point is adopted to run the wireless quick charging system of super capacitor energy-storage electromagentic resonance formula, solve batteries to store energy of the prior art, wired charging, the problem that charging interval needs several hours, realizes the object of the wireless automatic rapid charging of electric vehicle for logistics AGV stop in running.
First the present invention provides a kind of electric vehicle for logistics AGV radio energy charging system, it is characterized in that: comprise electromagentic resonance formula radio energy emission system, electromagentic resonance formula radio energy receiving system;
Described electromagentic resonance formula radio energy emission system comprises inverter main circuit, control circuit and wireless transmission resonant tank; Described inverter main circuit comprises single-phase full bridge rectification circuit and single-phase full bridge inverter circuit, and electrical network single-phase AC voltage is transformed into direct voltage by single-phase full bridge rectification circuit, and DC voltage conversion is become high-frequency ac voltage by single-phase full bridge inverter circuit; Described control circuit comprises transmitting terminal inverter current testing circuit, phase-locked loop frequency tracking circuit, phase-shift PWM inverter control circuit, inverse changing driving circuit and the first single-chip microcomputer, transmitting terminal inverter current testing circuit changes transmitting terminal resonant frequencies ER effect into square-wave signal, be defeated by phase-locked loop frequency tracking circuit, the drive singal that phase-locked loop frequency tracking circuit exports according to inverter circuit current signal and phase-locked loop circuit carries out frequency-tracking process, the drive singal that phase-locked loop frequency tracking circuit is exported follow current detection signal all the time, and keep same-phase; The TRANSFORMATION OF THE DRIVING that phase-locked loop frequency tracking circuit exports becomes phase shifting control drive singal to export by phase-shift PWM inverter control circuit, carries out power amplification by inverse changing driving circuit; Described wireless transmission resonant tank comprises transmitting coil L
1with resonance building-out capacitor C
1, composition series resonant circuit;
Described electromagentic resonance formula radio energy receiving system comprises wireless receiving resonant tank, high frequency transformer, rectifier filter circuit, control circuit and energy storage device; Described wireless receiving resonant tank comprises receiving coil L
2with resonance building-out capacitor C
2, composition receiver side series resonant circuit; The voltage range that the high frequency voltage transformation that resonant tank is carried becomes energy storage device to specify by described high frequency transformer; Described rectifier filter circuit forms bridge rectifier by high-frequency diode, by resonant capacitance filtering, high frequency voltage transformation is become direct voltage output, charges to energy storage device; Described control circuit comprises receiving terminal charging voltage and current testing circuit, second singlechip; Described second singlechip completes electric current and voltage sampling, and charging voltage and current is detected data by being wirelessly transmitted to transmitting terminal.
Described first single-chip microcomputer completes charge control algorithm and wireless charging data receiver task, selects a kind of charge control algorithm, receive the charge data sent by radio communication by receiving terminal according to the charging requirement of energy storage device.
Describedly add low capacity high frequency capacitance at single phase rectifier circuit output, make single phase rectifier circuit output end voltage substantially keep half-sinusoid.
Describedly adding single tuned filter at single-phase full bridge rectification circuit input end, for absorbing the high-frequency current that inversion resonance produces, making AC input current i ~ for sinusoidal wave, simultaneously and AC-input voltage u ~ same-phase.
Described single-phase full bridge inverter circuit is made up of switch mosfet pipe and its anti-paralleled diode, and the DC voltage conversion that single phase rectifier circuit exports is become high-frequency ac square-wave voltage.
Described wireless transmission coil is erect and is arranged on roadside or under being laid in road surface.
Described wireless receive coil is mounted to electric vehicle for logistics side or electric vehicle for logistics bottom surface.
Described wireless transmission coil and wireless receive coil adopt plane coiling, and comprise insulation board, magnetic conductor, coil, insulation board four-layer structure, the coil back side and surrounding magnetic conductor surround, and the magnetic conductor back side and coil one side insulating material cover.
Described system comprises n stopping for charging point, and the operate power of the Distance geometry electric vehicle for logistics AGV of charge point 2 determines that each charge point needs the electric energy energy of charging.
Described inverter main circuit adopts high power factor circuit parameter designing, its principle reduces single phase rectifier circuit output filter capacitor C0, single phase rectifier circuit output end voltage is made substantially to keep half-sinusoid, the high-frequency current that single-phase inversion circuit exports is the positive harmonic wave of high frequency produced by resonant tank, its envelope of electric current produced at single phase rectifier circuit output is the half-sinusoid identical with voltage, there is at the alternating current of single phase rectifier circuit input AC generation the high-frequency current harmonic wave of single-phase inversion circuit output, its envelope is the sine wave identical with AC-input voltage, single tuned filter is added at single phase rectifier circuit input AC, for absorbing high-frequency current harmonics, make AC input current i ~ for without the sine wave of harmonic wave, simultaneously and AC-input voltage u ~ same-phase.
Described inverter main circuit from electrical network input single-phase alternating voltage ~ U, through Ln, Cn, Rn composition single tuned filter, D
1-4the diode single phase bridge type rectifier circu of composition and filter capacitor C
0be transformed into direct voltage, through switch mosfet pipe VT
1, VT
2, VT
3, VT
4with its anti-paralleled diode VD
1, VD
2, VD
3, VD
4the single-phase inversion circuit transformations of composition becomes high-frequency ac voltage, exports, receive by transmitting coil L from output point a1, b1 point
1with resonance building-out capacitor C
1composition resonant tank.
Described wireless receiving resonant tank comprises receiving coil L
2with resonance building-out capacitor C
2, by electromagnetic coupled, receive the electric energy from transmitting coil transmission, exported at a2, b2 tie point by transformer transformation.
Described rectifier filter circuit passes through the alternating voltage of a2, b2 point by diode Dr
1-4the single phase rectifier circuit of composition is transformed into direct voltage, passes through C
3filtering output dc voltage Uo.
Another object of the present invention is to provide a kind of application process of electric vehicle for logistics AGV radio energy charging system, and its concrete steps are:
Step one: install radio energy emission system on n stop, comprise the inverter be made up of inverter main circuit, control circuit, the expelling plate be made up of transmitting coil and building-out capacitor; Electric vehicle for logistics AGV installs radio energy receiving system, comprise the dash receiver be made up of receiving coil and building-out capacitor, the high frequency Transformer Rectifier filtering detection be made up of high frequency transformer, filtering high-frequency rectifier and single chip circuit and data transmitting portion, rectifying and wave-filtering exports and is connected to energy storage device;
Step 2: fill an electricity when electric vehicle for logistics AGV is parked in a certain parking, electric vehicle for logistics AGV sends stopping for charging signal and energy storage device electric current and voltage data, radio energy emission system receives stopping for charging signal and energy storage device electric current and voltage data, according to the charging curve that energy storage device is selected, automatic starting inverter, sends electric energy by expelling plate; Electric vehicle for logistics AGV dash receiver receives electric energy, is transformed into direct current energy, charges to energy storage device by receiving system.When emission system detects that energy storage device charging voltage is to set point, charging terminates, and automatically closes inverter, waits for charging signals next time.
Beneficial effect of the present invention:
Advantage of the present invention adopts wireless charging to replace wired charging, realizes electric vehicle for logistics AGV full-automatic unmannedization and control; Adopt electromagentic resonance formula wireless power transmission method, increase transmission range; Transmitting coil and receiving coil adopt magnetic conduction construction, increase efficiency of transmission, reduce electromagnetic radiation; Adopt super capacitor energy-storage can realize quick charge when stopping a train at a target point; Single tuned filter, single-phase rectifier and low capacity high frequency capacitance is adopted to realize the High Power Factor of inverter input side; Adopt single-phase inversion full bridge phase shift PWM to control, simplify circuit structure.
Accompanying drawing explanation
Fig. 1 is electric vehicle for logistics wireless charging system composition schematic diagram.
Fig. 2 is electric vehicle for logistics wireless charging system transmission coil structure chart.
Fig. 3 is electric vehicle for logistics wireless charging transmission system composition.
Fig. 4 is electric vehicle for logistics wireless charging main circuit schematic diagram.
Fig. 5 is electric vehicle for logistics wireless charging main circuit each point oscillogram.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
According to technical scheme provided by the invention, the electromagentic resonance formula radio energy emission system that described electric vehicle for logistics wireless charging system comprises n stopping for charging point and the electromagentic resonance formula radio energy receiving system be arranged on electric vehicle for logistics.
As Fig. 1, described n stopping for charging point, its each charge point needs the electric energy energy of charging to be determined by the operate power of the Distance geometry electric vehicle for logistics between two charge point.If two stopping for charging point distances are L, the operation average power of electric vehicle for logistics is Pe, and average running speed is v, then two stopping for charging point t=L/v running time, and the rechargeable electrical energy of the minimum needs of charging electric vehicle point is W=Pe*t.The charging interval tc that charge point requires is less than t running time, then charge power is Pc=W/tc.
In the electromagentic resonance formula radio energy emission system of described charge point, single phase alternating current (A.C.) input voltage is transformed to high-frequency ac square-wave voltage by inverter, its frequency-tracking wireless transmission resonance current frequency, the electric energy that high frequency inverter exports by wireless transmission resonant tank is launched by magnetic coupling series resonance mode.In the described electromagentic resonance formula radio energy receiving system be arranged on electric vehicle for logistics, wireless receiving resonant tank receives electric energy by series resonance, the high frequency voltage transformation receiving resonant tank is become direct voltage by rectifier filter circuit, charges to energy storage device.The transmitting coil of described transmission coil is erected at roadside, and receiving coil is arranged on electric vehicle for logistics side.
Further as Fig. 2, described wireless transmission coil comprises transmitting coil and receiving coil, coil adopts plane coiling, the coil back side and surrounding magnetic conductor surround, its effect increases wireless power transmission efficiency, and make magnetic field concentration in the middle of transmission coil, the one side insulating material of the magnetic conductor back side and unwrapping wire circle covers simultaneously, transmitting coil one side is just to receiving coil one side, and magnetic conductor one side is at the reverse side of two coils.
Further as Fig. 3, described electromagentic resonance formula radio energy emission system comprises inverter main circuit, control circuit and wireless transmission resonant tank; Described inverter main circuit comprises single-phase full bridge rectification circuit and single-phase full bridge inverter circuit, and electrical network single-phase AC voltage U is transformed into direct voltage U by single phase rectifier circuit
d1, single-phase full bridge inverter circuit is by direct voltage U
d1be transformed into high-frequency ac voltage U
1; Described control circuit comprises transmitting terminal inverter current testing circuit, phase-locked loop frequency tracking circuit, phase-shift PWM inverter control circuit, inverse changing driving circuit and single-chip microcomputer, and inverter current testing circuit is by current sensor A
1change transmitting terminal resonant frequencies ER effect into square-wave signal I
1abe defeated by phase-locked loop frequency tracking circuit, the drive singal that phase-locked loop frequency tracking circuit exports according to current signal and phase-locked loop circuit carries out frequency-tracking process, the drive singal that phase-locked loop frequency tracking circuit is exported follow current detection signal all the time, and keeps same-phase; The TRANSFORMATION OF THE DRIVING that phase-locked loop frequency tracking circuit exports becomes phase shifting control drive singal to export by phase-shift PWM inverter control circuit, power amplification is carried out by inverse changing driving circuit, export driving pulse Ug1, Ug2, Ug3, Ug4, drive the switching tube of single-phase bridge type inverter; Described single-chip microcomputer completes charge control algorithm and wireless charging data receiver task, selects a kind of charge control algorithm, receive the charge data sent by radio communication by receiving terminal according to the charging requirement of energy storage device; Described wireless transmission resonant tank comprises transmitting coil L
1with resonance building-out capacitor C
1, composition series resonant circuit.
Described electromagentic resonance formula radio energy receiving system comprises wireless receiving resonant tank, high frequency transformer, rectifier filter circuit, control circuit and energy storage device; Described wireless receiving resonant tank comprises receiving coil L
2with resonance building-out capacitor C
2, composition receiver side series resonant circuit; The voltage range that the high frequency voltage transformation that resonant tank is carried becomes energy storage device to specify by described high frequency transformer T; Described rectifier filter circuit forms bridge rectifier by high-frequency diode, by capacitor filtering, high frequency voltage transformation is become direct voltage output, charges to energy storage device; Described control circuit comprises receiving terminal charging voltage and current testing circuit, and charging voltage and charging current are by voltage sensor V
2with current sensor A
2and voltage and current detection circuit, be transformed into voltage sampling signal Vo and current sampling signal Io, single-chip microcomputer completes electric current and voltage sampling, and charging voltage and current is detected data by being wirelessly transmitted to transmitting terminal.
Further as the waveform of Fig. 4 composition graphs 5, described inverter is characterized in that the single tuned filter that input single-phase alternating voltage ~ U forms through single tuned filter inductance L n, single tuned filter electric capacity Cn, single tuned filter resistance Rn, D
1-4the diode single phase bridge type rectifier circu of composition is transformed into direct voltage U
d1, high frequency capacitance C
0adopt low capacity electric capacity, make single phase rectifier circuit output end voltage U
d1basic maintenance half-sinusoid, the high-frequency current i that single-phase inversion circuit exports
1the positive harmonic wave of high frequency produced by resonant tank, in the electric current I that single phase rectifier circuit output produces
d1comprise high-frequency current in, its envelope is the half-sinusoid identical with voltage, there is at the alternating current of single phase rectifier circuit input AC generation the high-frequency current harmonic wave of single-phase inversion circuit output, its envelope is the sine wave identical with AC-input voltage, single tuned filter is added at single phase rectifier circuit input AC, for absorbing high-frequency harmonic current in, make AC input current i ~ for without the sine wave of harmonic wave, while and AC-input voltage u ~ same-phase; Direct voltage U
d1through switch mosfet pipe VT
1, VT
2, VT
3, VT
4with its anti-paralleled diode VD
1, VD
2, VD
3, VD
4the single-phase full bridge inverter circuit of composition is transformed into high-frequency ac voltage U
1, export from single-phase full bridge inverter circuit a1, b1 point; Wireless transmission resonant tank comprises transmitting coil L
1with resonance building-out capacitor C
1, composition series resonant circuit, produces and high-frequency ac voltage U
1same frequency same-phase high-frequency resonant current i
1, by the contact L of transmitting coil
1a, L
1bbe connected to transmitting coil L
1; Described receiving coil L
2tie point L
2a, L
2bwith resonance building-out capacitor C
2connect, composition receiver side series resonant circuit, produces resonance current i in resonant tank
2, and output AC voltage U
2, through the voltage range that the high frequency voltage transformation that resonant tank is carried becomes energy storage device to specify by high frequency transformer T, and pass through by high-frequency diode Dr
1-4the single-phase full bridge rectification circuit of composition and C
3filter capacitor, becomes direct voltage output by high frequency voltage transformation, charges to energy storage device.
In Fig. 4 High Power Factor parameter designing, in order to keep Output Voltage in Rectified Circuits U
d1for half-sinusoid, need to reduce filter capacitor C
0capacity, C
0as long as act on the peak voltage that can absorb inverter circuit switching tube here and produce in switching process.Peak voltage and C
0position relevant with the position mounting distance of inverter circuit switching tube, this distance be wiring inductance L
m, at the L of switching tube turn off process
menergy storage is
Wherein I
d1for rectification exports direct current.C
0the energy absorbed is
Wherein Ucep is the minimum peak voltage expected, for guaranteeing L
menergy storage all by C
0absorb, Ying You
Single tuned filter to the impedance of high-frequency current is
In formula, Ln is single tuned filter inductance, Cn is single tuned filter electric capacity, Rn is single tuned filter resistance, and ω n is high-frequency current angular frequency, and high-frequency current refers to high-frequency resonant current i here
1.Single tuned filter utilizes L, C series resonance principal, and resonance frequency is
At resonance point place, Z
n=R
n, due to R
nvery little, high-frequency current is mainly through R
nshunting, seldom flows in electrical network.
Cn minimum capacity is
In formula, ω is line voltage angular frequency, I
1be high-frequency current effective value, ~ U is line voltage.The inductance of single tuned filter is
The resistance of single tuned filter is
In formula, Q is sharpness of tuning, generally in the scope of 30-60.
Further as Fig. 5, described electric vehicle for logistics wireless charging main circuit each point waveform, is adopt the principle improving input AC side power factor, reduces the filter capacitor C in Fig. 4
0, make U
d1point waveform is half-sinusoid, and inversion exports U
1ac square-wave voltage amplitude envelope line be electrical network incoming frequency half-sinusoid, emitting side resonant tank current is high_frequency sine wave, and its amplitude envelope line is half-sinusoid; Receiver side exports U
2ac square-wave voltage amplitude envelope line be half-sinusoid, receiver side resonant tank current is high_frequency sine wave, and its amplitude envelope line is half-sinusoid.Under this mode parameter designing, inverter input AC electric current ~ i is the sine wave AC electric current with input ac voltage ~ U homophase under the effect of single tuned filter.Adding single tuned filter at interchange input side, making alternating current from becoming with high-frequency harmonic in as level and smooth AC sine wave ~ i.
The present invention adopts and exchanges input High Power Factor parameter designing, and transmission coil adopts magnetic conduction construction planar coil to make, and the transmitting coil of transmission coil can be erected at roadside, and receiving coil is arranged on electric vehicle for logistics side; Also can under transmitting coil be placed in road surface, receiving coil is arranged on electric vehicle for logistics bottom surface.Realize the charging of electric vehicle for logistics AGV full-automatic unmannedization to control; Adopt super capacitor energy-storage can realize quick charge when stopping a train at a target point.
Although the present invention with preferred embodiment openly as above; but it is also not used to limit the present invention, any person skilled in the art, without departing from the spirit and scope of the present invention; all can do various changes and modification, what therefore protection scope of the present invention should define with claims is as the criterion.
Claims (10)
1. an electric vehicle for logistics AGV radio energy charging system, is characterized in that: comprise electromagentic resonance formula radio energy emission system, electromagentic resonance formula radio energy receiving system;
Described electromagentic resonance formula radio energy emission system comprises inverter main circuit, control circuit and wireless transmission resonant tank; Described inverter main circuit comprises single-phase full bridge rectification circuit and single-phase full bridge inverter circuit, and single-phase AC voltage is transformed into direct voltage by single-phase full bridge rectification circuit, and DC voltage conversion is become high-frequency ac voltage by single-phase full bridge inverter circuit; Described control circuit comprises transmitting terminal inverter current testing circuit, phase-locked loop frequency tracking circuit, phase-shift PWM inverter control circuit, inverse changing driving circuit and the first single-chip microcomputer; Transmitting terminal inverter current testing circuit changes transmitting terminal resonant frequencies ER effect into square-wave signal, be defeated by phase-locked loop frequency tracking circuit, the drive singal that phase-locked loop frequency tracking circuit exports according to current signal and phase-locked loop circuit carries out frequency-tracking process, the drive singal that phase-locked loop frequency tracking circuit is exported follow current detection signal all the time, and keep same-phase; The TRANSFORMATION OF THE DRIVING that phase-locked loop frequency tracking circuit exports becomes phase shifting control drive singal to export by phase-shift PWM inverter control circuit, carries out power amplification by inverse changing driving circuit; Described wireless transmission resonant tank comprises transmitting coil L
1with resonance building-out capacitor C
1, composition series resonant circuit;
Described electromagentic resonance formula radio energy receiving system comprises wireless receiving resonant tank, high frequency transformer, rectifier filter circuit, control circuit and energy storage device; Described wireless receiving resonant tank comprises receiving coil L
2with resonance building-out capacitor C
2, composition receiver side series resonant circuit; The voltage that the high frequency voltage transformation that resonant tank is carried becomes energy storage device to specify by described high frequency transformer; Described rectifier filter circuit forms bridge rectifier by high-frequency diode, by resonant capacitance filtering, high frequency voltage transformation is become direct voltage output, charges to energy storage device; Described control circuit comprises receiving terminal charging voltage and current testing circuit, second singlechip; Described second singlechip completes electric current and voltage sampling, and charging voltage and current is detected data by being wirelessly transmitted to transmitting terminal.
2. a kind of electric vehicle for logistics AGV radio energy charging system according to claim 1, be characterised in that, described first single-chip microcomputer completes charge control algorithm and wireless charging data receiver task, select a kind of charge control algorithm according to the charging requirement of energy storage device, receive the charge data sent by radio communication by receiving terminal.
3. a kind of electric vehicle for logistics AGV radio energy charging system according to claim 1, is characterised in that, describedly adds low capacity high frequency capacitance at single-phase full bridge rectification circuit output end, makes single phase rectifier circuit output end voltage keep half-sinusoid.
4. a kind of electric vehicle for logistics AGV radio energy charging system according to claim 1, be characterised in that, describedly add single tuned filter at single-phase full bridge rectification circuit input end, for absorbing the high-frequency current that inversion resonance produces, make AC input current i ~ for sinusoidal wave, simultaneously and AC-input voltage u ~ same-phase.
5. a kind of electric vehicle for logistics AGV radio energy charging system according to claim 1, be characterised in that, described single-phase full bridge inverter circuit is made up of switch mosfet pipe and its anti-paralleled diode, and the DC voltage conversion that single phase rectifier circuit exports is become high-frequency ac square-wave voltage.
6. a kind of electric vehicle for logistics AGV radio energy charging system according to claim 1, is characterised in that, described wireless transmission coil is erect and is arranged on roadside or under being laid in road surface.
7. a kind of electric vehicle for logistics AGV radio energy charging system according to claim 1, be characterised in that, described wireless receive coil is mounted to electric vehicle for logistics side or electric vehicle for logistics bottom surface.
8. a kind of electric vehicle for logistics AGV radio energy charging system according to claim 1, be characterised in that, described wireless transmission coil and wireless receive coil adopt plane coiling, comprise insulation board, magnetic conductor, coil, insulation board four-layer structure, the coil back side and surrounding magnetic conductor surround, and the magnetic conductor back side and coil one side insulating material cover.
9. a kind of electric vehicle for logistics AGV radio energy charging system according to claim 1, be characterised in that, described system comprises n stopping for charging point, and the operate power of the Distance geometry electric vehicle for logistics AGV of charge point 2 determines that each charge point needs the electric energy energy of charging.
10. an application process for the radio energy charging system of power described in 1, is characterized in that:
Step one: install radio energy emission system on n stop, comprise the inverter be made up of inverter main circuit, control circuit, the expelling plate be made up of transmitting coil and building-out capacitor; Electric vehicle for logistics AGV installs radio energy receiving system, comprise the dash receiver be made up of receiving coil and building-out capacitor, the high frequency Transformer Rectifier filtering detection be made up of high frequency transformer, filtering high-frequency rectifier and single chip circuit and data transmitting portion, rectifying and wave-filtering exports and is connected to energy storage device;
Step 2: fill an electricity when electric vehicle for logistics AGV is parked in a certain parking, electric vehicle for logistics AGV sends stopping for charging signal and energy storage device electric current and voltage data, radio energy emission system receives stopping for charging signal and energy storage device electric current and voltage data, according to the charging curve that energy storage device is selected, automatic starting inverter, sends electric energy by expelling plate; Electric vehicle for logistics AGV dash receiver receives electric energy, is transformed into direct current energy by receiving system, and to energy storage device charging, when emission system detects that energy storage device charging voltage is to set point, charging terminates, and automatically closes inverter, waits for charging signals next time.
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|---|---|---|---|
| CN201510824231.9A CN105262189A (en) | 2015-11-24 | 2015-11-24 | Wireless charging system of electric logistic vehicle AGV |
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|---|---|---|---|
| CN201510824231.9A CN105262189A (en) | 2015-11-24 | 2015-11-24 | Wireless charging system of electric logistic vehicle AGV |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107649328A (en) * | 2017-10-12 | 2018-02-02 | 安吉六合工艺品有限公司 | The fluffy automatic charging structure of bamboo and wood preservative treatment |
| CN107844094A (en) * | 2017-10-20 | 2018-03-27 | 四川志泰立体车库有限公司 | A kind of planar movement class machinery garage wireless charging handling system |
| CN108407635A (en) * | 2018-02-06 | 2018-08-17 | 深圳大学 | A kind of AGV charging methods and its system |
| CN108448693A (en) * | 2018-03-13 | 2018-08-24 | 武汉理工大学 | Radio energy transmission system and its control method for AGV |
| CN110194066A (en) * | 2019-05-23 | 2019-09-03 | 东南大学 | A kind of autonomous submariner device fast charge method based on direct-drive wave power generation system and full-bridge resonance inverter |
| CN110199453A (en) * | 2017-04-07 | 2019-09-03 | Oppo广东移动通信有限公司 | Charging equipment, wireless charging device, wireless charging method and system |
| CN110224505A (en) * | 2019-06-05 | 2019-09-10 | 云南电网有限责任公司丽江供电局 | Wireless energy transfer system based on distributed node layout |
| CN110829620A (en) * | 2019-11-20 | 2020-02-21 | 深圳华秋电子有限公司 | Magnetic guide wireless charging equipment |
| CN111740510A (en) * | 2020-06-19 | 2020-10-02 | 青岛鲁渝能源科技有限公司 | Wireless charging method and system based on phase shift regulation control |
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| CN105553063A (en) * | 2016-02-06 | 2016-05-04 | 青岛鲁渝能源科技有限公司 | AGV wireless charging management system and method and fault detection method |
| CN110199453A (en) * | 2017-04-07 | 2019-09-03 | Oppo广东移动通信有限公司 | Charging equipment, wireless charging device, wireless charging method and system |
| CN110199453B (en) * | 2017-04-07 | 2023-12-12 | Oppo广东移动通信有限公司 | Equipment to be charged, wireless charging device, wireless charging method and system |
| CN107649328A (en) * | 2017-10-12 | 2018-02-02 | 安吉六合工艺品有限公司 | The fluffy automatic charging structure of bamboo and wood preservative treatment |
| CN107844094A (en) * | 2017-10-20 | 2018-03-27 | 四川志泰立体车库有限公司 | A kind of planar movement class machinery garage wireless charging handling system |
| CN108407635A (en) * | 2018-02-06 | 2018-08-17 | 深圳大学 | A kind of AGV charging methods and its system |
| CN108407635B (en) * | 2018-02-06 | 2023-09-26 | 深圳大学 | AGV charging method and system |
| CN108448693B (en) * | 2018-03-13 | 2022-03-18 | 武汉理工大学 | Wireless power transmission system for AGV and control method thereof |
| CN108448693A (en) * | 2018-03-13 | 2018-08-24 | 武汉理工大学 | Radio energy transmission system and its control method for AGV |
| CN110194066A (en) * | 2019-05-23 | 2019-09-03 | 东南大学 | A kind of autonomous submariner device fast charge method based on direct-drive wave power generation system and full-bridge resonance inverter |
| CN110224505A (en) * | 2019-06-05 | 2019-09-10 | 云南电网有限责任公司丽江供电局 | Wireless energy transfer system based on distributed node layout |
| CN110829620A (en) * | 2019-11-20 | 2020-02-21 | 深圳华秋电子有限公司 | Magnetic guide wireless charging equipment |
| CN110829620B (en) * | 2019-11-20 | 2023-05-16 | 深圳华秋电子有限公司 | Magnetic guiding wireless charging equipment |
| CN111740510A (en) * | 2020-06-19 | 2020-10-02 | 青岛鲁渝能源科技有限公司 | Wireless charging method and system based on phase shift regulation control |
| CN113629891B (en) * | 2021-08-17 | 2023-04-28 | 西南交通大学 | Efficiency optimization method for dynamic wireless power supply system of electric automobile |
| CN113629891A (en) * | 2021-08-17 | 2021-11-09 | 西南交通大学 | Efficiency optimization method for dynamic wireless power supply system of electric automobile |
| CN117040146A (en) * | 2023-10-10 | 2023-11-10 | 深圳市索菱通信技术有限公司 | AGV intelligent charging system based on wireless charging |
| CN117955261A (en) * | 2024-03-27 | 2024-04-30 | 广东工业大学 | LCC resonant circuit-based high-power wireless charging system |
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