CN109217486A - Electric motor car wireless charging system and its control method based on electromagnetic induction - Google Patents
Electric motor car wireless charging system and its control method based on electromagnetic induction Download PDFInfo
- Publication number
- CN109217486A CN109217486A CN201810996863.7A CN201810996863A CN109217486A CN 109217486 A CN109217486 A CN 109217486A CN 201810996863 A CN201810996863 A CN 201810996863A CN 109217486 A CN109217486 A CN 109217486A
- Authority
- CN
- China
- Prior art keywords
- signal
- circuit
- guide rail
- control circuit
- wireless charging
- 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
- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000005672 electromagnetic field Effects 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H02J7/025—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention discloses a kind of electric motor car wireless charging system and its control method based on electromagnetic induction, which includes the electric car for being provided with signal generating circuit, is provided with the guide rail of energy transmitting coil, signal receiving circuit and control circuit.Signal generating circuit includes signal source, signal modulation circuit and signal transmitting coil;Signal receiving circuit includes signal receiving coil, signal demodulating circuit.Signal generating circuit direction guiding rail sends signal, and signal receiving circuit is transmitted to control circuit after receiving information, the latter controls the opening and closing of energy transmitting coil.The control method key step of the system are as follows: S1: electromagnetic signal is sent;S2: it receives electromagnetic signal and is transmitted to control circuit;S3: control circuit opens transmitting coil;S4: it continues to electromagnetic signal and is transmitted to control circuit;S5: control circuit closes transmitting coil.Remarkable result of the invention are as follows: the dynamic and intelligent charging for realizing electric car avoids energy waste, so that electric vehicle charging is more efficient.
Description
Technical field
The present invention relates to electric car wireless charging technical field, specifically design it is a kind of based on the electric vehicle of electromagnetic induction without
Line charge electric system and its control method.
Background technique
Orthodox car industry has had evolved to the degree of technology maturation, and novel electric car is in recent years with electric power
The progress of technology has gradually shown its vast potential for future development.Electric car refers to using vehicle power supply as power, uses motor
Wheels travel is driven, the vehicle of law on road traffic safety rule requirements is met.The most widely used vehicle of electric car at this stage
Carrying power supply is battery.
With the surge of electric car quantity, cruising ability is insufficient, the charging time is long, infrastructure is not perfect, cannot
The defects of supporting remote trip constantly displays.In order to solve these problems, common means have setting charging station or
Increase accumulator capacity etc..But because the contact charging method charging time is long and charging station takes up a large area, maintenance cost
High and battery techanology such as is difficult to be greatly improved in a short time at the reasons, the problem that electric car continuation of the journey is insufficient cannot still obtain compared with
Good solution.
Summary of the invention
For the defects in the prior art, the electric motor car wireless charging system based on electromagnetic induction that the invention proposes a kind of
And its control method.It realizes and is charged by wireless power transmission technology to electric car, more realize and travelled in electric vehicle
In the case of dynamic and intelligent charging.
To achieve the above object, the technical solution adopted in the present invention is as follows:
A kind of electric motor car wireless charging system based on electromagnetic induction, key are: being provided in electric car body
The shoe of electric car wireless charging is set multistage guide rail segmentation spread pattern, every section guide rail by signal generating circuit
It is provided with wireless energy transmission coil, signal receiving circuit and control circuit;The signal generating circuit includes signal source, signal
Modulation circuit and signal transmitting coil;The signal receiving circuit includes signal receiving coil and signal demodulating circuit;When electronic
When automobile drives into guide rail, signal generating circuit direction guiding rail sends signal, and the signal receiving circuit in guide rail receives after signal
The control circuit is transmitted information to, control circuit opens wireless energy transmission coil according to the had information of signal is received
Logical or closing is controlled.
Optionally, the signal modulation circuit inputs high-frequency excitation signal to signal transmitting coil, swashs to generate high frequency
Encourage electromagnetic field.
Optionally, the signal generating circuit is arranged on the chassis of the electric car, and the signal direction of the launch is downward.
Optionally, a signal receiving coil and signal demodulating circuit is respectively set in its stem and tail portion in the guide rail.
A kind of control method of the wireless charging system for electric automobile based on electromagnetic induction, key are to include following step
It is rapid:
S1: signal generating circuit is sent out electromagnetic signal;
S2: electric car drives into guide rail, receives electromagnetic signal positioned at the signal receiving circuit of guide rail stem, and be passed along
Control circuit;
S3: control circuit opens the wireless energy transmission coil in guide rail;
S4: electric car is driven out to guide rail, and the signal receiving circuit positioned at guide rail tail portion receives electromagnetic signal, and is passed along
Control circuit;
S5: control circuit is received again by signal, closes the wireless energy transmission coil in guide rail.
Remarkable result of the invention is: by way of wireless power transmission, during realizing electric automobile during traveling
Real time charging not only solves the problem that accumulator of electric car capacity is limited, and electric car continuation of the journey is insufficient, also achieves electronic
The dynamic and intelligent of automobile charges, and avoids electrified rail and energy waste caused by too long or electrified rail is opened excessively is arranged
Problem, so that entire charging process is more energy-efficient.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is system schematic proposed by the invention;
Fig. 2 is signal transmission circuit and signal receiving circuit working principle diagram;
Fig. 3 is signal receiving circuit and control circuit logic connectivity diagram in guide rail.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
The present embodiment realizes a kind of electric motor car wireless charging system based on electromagnetic induction, as shown in Figure 1,
1 vehicle body of electric car is provided with signal generating circuit, sets the shoe of 1 wireless charging of electric car to
Multistage guide rail 4 is segmented spread pattern, and every section guide rail 4 is provided with wireless energy transmission coil, signal receiving circuit 3 and control circuit
5;The signal generating circuit 2 includes signal source, signal modulation circuit and signal transmitting coil;The signal receiving circuit 3 is wrapped
Containing signal receiving coil and signal demodulating circuit;When electric car 1 drives into guide rail 4, signal generating circuit direction guiding rail 4 sends letter
Number, the signal receiving circuit 3 in guide rail transmits information to the control circuit 5,5 basis of control circuit after receiving signal
Reception the had information of signal controls opening or closing for wireless energy transmission coil.
Optionally, the signal modulation circuit inputs high-frequency excitation signal to signal transmitting coil, swashs to generate high frequency
Electromagnetic field is encouraged, and then information transmitting is realized by electromagnetic induction.
Optionally, the signal generating circuit 2 is arranged on the chassis of the electric car 1, signal direction of the launch court
Under.
As shown in Fig. 2, signal source generates a high-frequency excitation signal, it is modulated in input signal modulation circuit, later
Input signal transmitting coil generates electromagnetic field of high frequency by signal transmitting coil.Utilize the principle of electromagnetic induction, signal emission lines
Circle is coupled with signal receiving coil generation, sends a signal to signal receiving coil, then using signal demodulating circuit, finally
Incoming control circuit 5.
Optionally, a signal receiving coil and signal demodulating circuit is respectively set in its stem and tail portion in the guide rail 4,
As shown in figure 3, two paths of signals receiving coil and signal demodulating circuit are accessed jointly in a control circuit 5, a guide rail 4 is constituted
Interior complete signal receiving circuit 3 and control circuit 5.
Based on above system, the key step of the control method of the present embodiment are as follows:
S1: signal generating circuit 2 is sent out electromagnetic signal;
S2: electric car 1 drives into guide rail 4, and the signal receiving circuit 3 positioned at 4 stem of guide rail receives electromagnetic signal, and is transmitted to
Control circuit 5;
S3: control circuit 5 opens the wireless energy transmission coil in guide rail 4;
S4: electric car 1 is driven out to guide rail 4, and the signal receiving circuit 3 positioned at 4 tail portion of guide rail receives electromagnetic signal, and by its
It is transmitted to control circuit 5;
S5: control circuit 5 is received again by signal, closes the wireless energy transmission coil in guide rail 4.
In conclusion the present invention by way of wireless power transmission, realize it is real-time during electric automobile during traveling
Charging not only solves the problem that accumulator of electric car capacity is limited, and electric car continuation of the journey is insufficient, also achieves electric car
Dynamic and intelligent charging, avoid electrified rail be arranged too long or electrified rail open excessively so as to cause energy waste
Problem, so that entire charging process is more energy-efficient.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement;And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses, should all cover within the scope of the claims and the description of the invention.
Claims (5)
1. a kind of electric motor car wireless charging system based on electromagnetic induction, it is characterised in that: electric car body is provided with letter
Number circuit occurs, sets multistage guide rail segmentation spread pattern for the shoe of electric car wireless charging, every section guide rail sets
It is equipped with wireless energy transmission coil, signal receiving circuit and control circuit;The signal generating circuit includes signal source, signal tune
Circuit and signal transmitting coil processed;The signal receiving circuit includes signal receiving coil and signal demodulating circuit;When electronic vapour
When vehicle drives into guide rail, signal generating circuit direction guiding rail sends signal, and the signal receiving circuit in guide rail will after receiving signal
Information is transferred to the control circuit, and control circuit is according to reception the had information of signal to the open-minded of wireless energy transmission coil
Or it closes and is controlled.
2. the electric motor car wireless charging system according to claim 1 based on electromagnetic induction, it is characterised in that: the signal
Modulation circuit inputs high-frequency excitation signal to signal transmitting coil, to generate high frequency pumping electromagnetic field.
3. the electric motor car wireless charging system according to claim 1 based on electromagnetic induction, it is characterised in that: the signal
Circuit occurs to be arranged on the chassis of the electric car, the signal direction of the launch is downward.
4. the electric motor car wireless charging system according to claim 1 based on electromagnetic induction, it is characterised in that: the guide rail
A signal receiving coil and signal demodulating circuit is respectively set in its stem and tail portion.
5. the control method of the electric motor car wireless charging system based on electromagnetic induction as described in claim 1, it is characterised in that
The following steps are included:
S1: signal generating circuit is sent out electromagnetic signal;
S2: electric car drives into guide rail, receives electromagnetic signal positioned at the signal receiving circuit of guide rail stem, and be passed along control
Circuit;
S3: control circuit opens the wireless energy transmission coil in guide rail;
S4: electric car is driven out to guide rail, and the signal receiving circuit positioned at guide rail tail portion receives electromagnetic signal, and is passed along control
Circuit;
S5: control circuit is received again by signal, closes the wireless energy transmission coil in guide rail.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810996863.7A CN109217486A (en) | 2018-08-29 | 2018-08-29 | Electric motor car wireless charging system and its control method based on electromagnetic induction |
Applications Claiming Priority (1)
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CN201810996863.7A CN109217486A (en) | 2018-08-29 | 2018-08-29 | Electric motor car wireless charging system and its control method based on electromagnetic induction |
Publications (1)
Publication Number | Publication Date |
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CN109217486A true CN109217486A (en) | 2019-01-15 |
Family
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Family Applications (1)
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CN201810996863.7A Pending CN109217486A (en) | 2018-08-29 | 2018-08-29 | Electric motor car wireless charging system and its control method based on electromagnetic induction |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110932413A (en) * | 2019-11-19 | 2020-03-27 | 国网江西省电力有限公司电力科学研究院 | Wireless charging guide rail switching system of robot |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009125414A2 (en) * | 2008-04-07 | 2009-10-15 | Davidovitch J | Replacing discharged batteries in electric vehicles |
CN203840066U (en) * | 2014-04-01 | 2014-09-17 | 上海汽车集团股份有限公司 | Energy emitter, receiver and magnetic resonance wireless charging device employing energy emitter and receiver |
-
2018
- 2018-08-29 CN CN201810996863.7A patent/CN109217486A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009125414A2 (en) * | 2008-04-07 | 2009-10-15 | Davidovitch J | Replacing discharged batteries in electric vehicles |
CN203840066U (en) * | 2014-04-01 | 2014-09-17 | 上海汽车集团股份有限公司 | Energy emitter, receiver and magnetic resonance wireless charging device employing energy emitter and receiver |
Non-Patent Citations (1)
Title |
---|
GANESH R.NAGENDRA: "Detection of EVs on IPT Highways", 《IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110932413A (en) * | 2019-11-19 | 2020-03-27 | 国网江西省电力有限公司电力科学研究院 | Wireless charging guide rail switching system of robot |
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SE01 | Entry into force of request for substantive examination | ||
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
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RJ01 | Rejection of invention patent application after publication |