CN109050324A - Charging system for electric automobile and its control method based on electromagnetic position detection - Google Patents
Charging system for electric automobile and its control method based on electromagnetic position detection Download PDFInfo
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- CN109050324A CN109050324A CN201810997741.XA CN201810997741A CN109050324A CN 109050324 A CN109050324 A CN 109050324A CN 201810997741 A CN201810997741 A CN 201810997741A CN 109050324 A CN109050324 A CN 109050324A
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- signal
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- guide rail
- control circuit
- vehicle controller
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The invention discloses a kind of charging system for electric automobile and its control method based on electromagnetic position detection, system setting signal in electric car receives circuit and Vehicle Controller, and it is guide tracked to set multistage for shoe.Every section guide rail is provided with wireless energy transmission coil, signal generating circuit and control circuit.Automobile drives into guide rail, and signal receiving circuit receives high-frequency excitation signal and is sent to Vehicle Controller.Vehicle Controller will be sent to control circuit after signal processing, control circuit controls the switch state of energy transmitting coil.A kind of control method applied to the system is the following steps are included: S1: guide rail sends signal；S2: automobile receives signal；S3: signal reaches control circuit after Vehicle Controller is handled；S4: control circuit controls energy transmitting coil open and-shut mode.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 fields, and in particular to a kind of based on the electronic of electromagnetic position detection
Automobile charging system actual 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 invention proposes a kind of electric car Chargings based on electromagnetic position detection
System and its control method.It realizes and is charged by wireless power transmission technology to electric car, more realize and be expert in electric vehicle
Dynamic and intelligent charging in the case of sailing.
To achieve the above object, the technical solution adopted in the present invention is as follows:
A kind of charging system for electric automobile based on electromagnetic position detection, key are: setting in electric car body
Signal receiving circuit and Vehicle Controller are set, the signal receiving circuit includes signal receiving coil and signal demodulating circuit；It will
The shoe of electric car wireless charging is set as multistage guide rail segmentation spread pattern, and every section guide rail is provided with wireless energy hair
Ray circle, signal generating circuit and control circuit, the control circuit are additionally provided with wireless communication module；Electricity occurs for the signal
Road includes signal source, signal modulation circuit and two groups of signal transmitting coils；Two groups of signal transmitting coils are separately positioned on nothing
The rear and front end of heat input transmitting coil, the signal generating circuit launch outward high frequency pumping by two groups of signal transmitting coils
Signal, when electric car drives into guide rail, the signal receiving circuit receives high-frequency excitation signal and sends it to vehicle-mounted
In controller, after Vehicle Controller handles high-frequency excitation signal, it is sent to control circuit through wireless communication, institute
State the control that control circuit completes the switch state of wireless energy transmission coil in guide rail according to received control message.
Optionally, signal source generates current signal in the signal generating circuit, after modulating by signal modulation circuit
Signal transmitting coil is reached, electromagnetic signal is finally generated by signal transmitting coil.
Optionally, the signal receiving circuit is arranged on the chassis of the electric car.
A kind of control method applied to above system, key be the following steps are included:
S1: signal generating circuit is sent out electromagnetic signal；
S2: electric car drives into guide rail, and signal receiving circuit receives the signal transmitting coil transmission positioned at guide rail front end
Electromagnetic signal, and send it to Vehicle Controller；
S3: received signal processing is sent to control circuit by Vehicle Controller later；
S4: control circuit opens the wireless energy transmission coil in guide rail；
S5: electric car is driven out to guide rail, and signal receiving circuit receives the signal transmitting coil transmission positioned at guide rail rear end
Electromagnetic signal, and send it to Vehicle Controller；
S6: received signal is reached control circuit by Vehicle Controller by analysis；
S5: control circuit closes the wireless energy transmission coil in guide rail.
Optionally, the Vehicle Controller by wireless communication receive and send messages to control circuit by mode.
Optionally, the signal modulation circuit inputs high-frequency excitation signal to signal transmitting coil, generates high frequency pumping electricity
Magnetic field.
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 generating circuit and signal receiving circuit working principle diagram.
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, the system exists
Setting signal receives circuit 2 and Vehicle Controller 3 in 1 vehicle body of electric car, and the signal receiving circuit 2 includes that signal receives line
Circle and signal demodulating circuit.By the shoe of 1 wireless charging of electric car be set as multistage guide rail segmentation spread pattern, every section
Guide rail 5 is provided with wireless energy transmission coil, signal generating circuit 4 and control circuit 6, and control circuit 6 is additionally provided with channel radio
Believe module.The signal generating circuit 4 includes signal source, signal modulation circuit and two groups of signal transmitting coils, and two groups of signals
Transmitting coil is separately positioned on the rear and front end of wireless energy transmission coil.Signal generating circuit 4 passes through two groups of signal emission lines
Circle launches outward high-frequency excitation signal, and when electric car 1 drives into guide rail 5, the signal receiving circuit 2 receives high frequency pumping
Signal is simultaneously sent it in Vehicle Controller 3, after Vehicle Controller 3 handles high-frequency excitation signal, by wireless communication
Mode be sent to control circuit 6, the control circuit 6 completes wireless energy transmission in guide rail 5 according to received control message
The control of the switch state of coil.
Wherein, the working principle of signal generating circuit 4 and signal receiving circuit 2 is as shown in Figure 2.Signal source generates electric current letter
Number, signal transmitting coil is reached after signal modulation circuit modulation, electromagnetic signal is finally generated by signal transmitting coil.Letter
Number receiving coil receives electromagnetic signal, then signal is passed through signal demodulating circuit by coupling with the generation of signal transmitting coil
It is sent to Vehicle Controller 3 later.
Optionally, the signal receiving circuit 2 is arranged on the chassis of the electric car 1.
Control method applied to present system, it is characterised in that the following steps are included:
S1: signal generating circuit 4 is sent out electromagnetic signal；
S2: electric car 1 drives into guide rail 5, and signal receiving circuit 2 receives the signal transmitting coil hair positioned at 5 front end of guide rail
The electromagnetic signal sent, and send it to Vehicle Controller 3；
S3: received signal processing is sent to control circuit 6 by Vehicle Controller 3 later；
S4: control circuit 6 opens the wireless energy transmission coil in guide rail 5；
S5: electric car 1 is driven out to guide rail 5, and signal receiving circuit 2 receives the signal transmitting coil hair positioned at 5 rear end of guide rail
The electromagnetic signal sent, and send it to Vehicle Controller 3；
S6: received signal is reached control circuit 6 by Vehicle Controller 3 by analysis；
S5: control circuit 6 closes the wireless energy transmission coil in guide rail 5.
Optionally, the Vehicle Controller 3 by wireless communication receive and send messages to control circuit 6 by mode.
Optionally, the signal modulation circuit inputs high-frequency excitation signal to signal transmitting coil, generates high frequency pumping electricity
Magnetic field avoids signal transmitting, receiving coil and generates interference to energy transmitting, receiving coil.
In conclusion the present invention by way of wireless power transmission, realize it is real-time in 1 driving process of electric car
Charging, not only solves that 1 accumulator capacity of electric car is limited, and electric car 1 is continued a journey insufficient problem, also achieves electronic vapour
The dynamic and intelligent of vehicle 1 charges, avoid electrified rail 5 be arranged too long or electrified rail 5 open excessively so as to cause the energy
The problem of waste, 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 (6)
1. a kind of charging system for electric automobile based on electromagnetic position detection, it is characterised in that: be arranged in electric car body
Signal receiving circuit and Vehicle Controller, the signal receiving circuit include signal receiving coil and signal demodulating circuit；It will be electric
The shoe of electrical automobile wireless charging is set as multistage guide rail segmentation spread pattern, and every section guide rail is provided with wireless energy transmission
Coil, signal generating circuit and control circuit, the control circuit are additionally provided with wireless communication module；The signal generating circuit
Include signal source, signal modulation circuit and two groups of signal transmitting coils；Two groups of signal transmitting coils are separately positioned on wirelessly
The rear and front end of energy transmitting coil, the signal generating circuit, which launches outward high frequency pumping by two groups of signal transmitting coils, to be believed
Number, when electric car drives into guide rail, the signal receiving circuit receives high-frequency excitation signal and sends it to vehicle-mounted control
In device processed, after Vehicle Controller handles high-frequency excitation signal, it is sent to control circuit through wireless communication, it is described
Control circuit completes the control of the switch state of wireless energy transmission coil in guide rail according to received control message.
2. the charging system for electric automobile according to claim 1 based on electromagnetic position detection, it is characterised in that: the letter
Number occur circuit in signal source generate current signal, by signal modulation circuit modulation after reach signal transmitting coil, finally
Electromagnetic signal is generated by signal transmitting coil.
3. the charging system for electric automobile according to claim 1 based on electromagnetic position detection, it is characterised in that: the letter
Number receive circuit be arranged on the chassis of the electric car.
4. the control method of the charging system for electric automobile as described in claim 1 based on electromagnetic position detection, feature exist
In the following steps are included:
S1: signal generating circuit is sent out electromagnetic signal；
S2: electric car drives into guide rail, and signal receiving circuit receives the electromagnetism of the signal transmitting coil transmission positioned at guide rail front end
Signal, and send it to Vehicle Controller；
S3: received signal processing is sent to control circuit by Vehicle Controller later；
S4: control circuit opens the wireless energy transmission coil in guide rail；
S5: electric car is driven out to guide rail, and signal receiving circuit receives the electromagnetism of the signal transmitting coil transmission positioned at guide rail rear end
Signal, and send it to Vehicle Controller；
S6: received signal is reached control circuit by Vehicle Controller by analysis；
S5: control circuit closes the wireless energy transmission coil in guide rail.
5. the control method of the charging system for electric automobile according to claim 4 based on electromagnetic position detection, feature
Be: the Vehicle Controller by wireless communication receive and send messages to control circuit by mode.
6. the control method of the charging system for electric automobile according to claim 4 based on electromagnetic position detection, feature
Be: the signal modulation circuit inputs high-frequency excitation signal to signal transmitting coil, generates high frequency pumping electromagnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997741.XA CN109050324A (en) | 2018-08-29 | 2018-08-29 | Charging system for electric automobile and its control method based on electromagnetic position detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810997741.XA CN109050324A (en) | 2018-08-29 | 2018-08-29 | Charging system for electric automobile and its control method based on electromagnetic position detection |
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| CN201810997741.XA Pending CN109050324A (en) | 2018-08-29 | 2018-08-29 | Charging system for electric automobile and its control method based on electromagnetic position detection |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532526A (en) * | 2019-01-04 | 2019-03-29 | 重庆大学 | The electric motor car wireless charging system and control method of ground surface end twin coil position detection |
| CN109606145A (en) * | 2019-01-04 | 2019-04-12 | 重庆大学 | Dynamic radio charging system based on grouping control |
| CN109606146A (en) * | 2019-01-04 | 2019-04-12 | 重庆大学 | Dynamic radio charging system and control method based on power detection position |
| CN109624763A (en) * | 2019-01-04 | 2019-04-16 | 重庆大学 | A kind of detection coil and the wireless charging guide rail using the coil |
| CN109861407A (en) * | 2019-01-04 | 2019-06-07 | 重庆大学 | The electric motor car wireless charging system and control method of ground surface end unicoil position detection |
| CN112787423A (en) * | 2021-01-26 | 2021-05-11 | 中国电力科学研究院有限公司 | Robot wireless charging position identification system and method based on magnetic field positioning technology |
| CN112810495A (en) * | 2021-02-26 | 2021-05-18 | 长安大学 | Automatic driving clock synchronization system and method based on dynamic charging system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532526A (en) * | 2019-01-04 | 2019-03-29 | 重庆大学 | The electric motor car wireless charging system and control method of ground surface end twin coil position detection |
| CN109606145A (en) * | 2019-01-04 | 2019-04-12 | 重庆大学 | Dynamic radio charging system based on grouping control |
| CN109606146A (en) * | 2019-01-04 | 2019-04-12 | 重庆大学 | Dynamic radio charging system and control method based on power detection position |
| CN109624763A (en) * | 2019-01-04 | 2019-04-16 | 重庆大学 | A kind of detection coil and the wireless charging guide rail using the coil |
| CN109861407A (en) * | 2019-01-04 | 2019-06-07 | 重庆大学 | The electric motor car wireless charging system and control method of ground surface end unicoil position detection |
| CN112787423A (en) * | 2021-01-26 | 2021-05-11 | 中国电力科学研究院有限公司 | Robot wireless charging position identification system and method based on magnetic field positioning technology |
| CN112810495A (en) * | 2021-02-26 | 2021-05-18 | 长安大学 | Automatic driving clock synchronization system and method based on dynamic charging system |
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Application publication date: 20181221 |
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