CN107332291A - Electric automobile wireless charging is to Barebone, alignment methods and vehicle end device - Google Patents
Electric automobile wireless charging is to Barebone, alignment methods and vehicle end device Download PDFInfo
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- CN107332291A CN107332291A CN201610289103.3A CN201610289103A CN107332291A CN 107332291 A CN107332291 A CN 107332291A CN 201610289103 A CN201610289103 A CN 201610289103A CN 107332291 A CN107332291 A CN 107332291A
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- electric automobile
- end device
- vehicle end
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000002441 reversible effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
Classifications
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- H02J7/025—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
- B60L53/39—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
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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
- Y02T90/12—Electric charging stations
-
- 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 present invention relates to wireless charging technical field, more particularly to a kind of electric automobile wireless charging is to Barebone, alignment methods and vehicle end device.The electric automobile wireless charging is to Barebone, and it at least includes the non-vehicle end device and the vehicle end device on electric automobile positioned at ground；The non-vehicle end device includes：Signal input unit, signal transmitter unit and charging transmitting drum；The vehicle end device includes：Signal receiving unit, signal separation unit, CPU and the voice alerting unit being sequentially connected, the electric automobile wireless charging that the present invention is provided are conducive to improving electric automobile receiving coil and transmitting coil alignment precision to Barebone；And because the alignment methods are that driver is informed by way of voice broadcast, driver attention will not be disperseed, therefore, this pair of Barebone and alignment methods also improve the security that electric automobile is moved backward.
Description
Technical field
The present invention relates to wireless charging technical field, more particularly to a kind of electric automobile wireless charging is to Barebone, alignment
Method and vehicle end device.
Background technology
Electric automobile is generally believed with its energy-conservation, no pollution, efficient advantage by countries in the world scientist and industrial quarters
It is the 21st century important vehicles.Wherein, electric automobile charging station and charging network are electric automobile scale and production
The important infrastructure of industryization development.
Electric automobile is charged by the way of wireless charging, the popularization to electric automobile is significant.Should
Mode is needed at the non-vehicle end of electric automobile provided with charging transmitting coil, and charging take-up is provided with the vehicle end of electric automobile
Circle.The charging transmitting coil at non-vehicle end is generally located on and can carried out on the fixation parking stall of electric automobile wireless charging, vehicle
The charging receiving coil at end is generally located on below the chassis of electric automobile, and the charging transmitting coil is aligned with charging receiving coil
Quality, be directly connected to the efficiency of electric automobile wireless charging, therefore, solve charging electric vehicle transmitting coil and charging
The alignment issues of take-up circle, are to carry out one of key factor of wireless charging type electric automobile popularization and application.
The content of the invention
In view of this, the present invention, which is provided, a kind of is conducive to improving electric automobile receiving coil and transmitting coil alignment precision
Wireless charging is to Barebone, alignment methods and vehicle end device.
The present invention provide electric automobile wireless charging to Barebone at least include positioned at ground non-vehicle end device and
Vehicle end device on electric automobile；The non-vehicle end device includes：Signal input unit, signal transmitter unit and
Charging transmitting drum, the signal input unit is connected with the signal transmitter unit, and the signal transmitter unit is arranged at institute
State around charging transmitting drum, the signal input unit is used for the signal for inputting n kind frequencies, the signal transmitter unit is used
In the signal for launching the n kinds frequency, the n is the integer not less than 3；The vehicle end device includes：The letter being sequentially connected
Number receiving unit, signal separation unit, CPU and voice alerting unit, the signal receiving unit wireless receiving
The signal for the n kind frequencies that the signal transmitter unit is sent, the signal separation unit is divided the signal of the n kinds frequency
From and export to the CPU, the CPU is handled the signal of separation and controls the voice
Tip element carries out voice message to the position of the electric automobile.
The electric automobile wireless charging that the present invention is provided is in Barebone, the electric automobile includes being located on car
Charging take-up reel, the receiving coil is used as the signal receiving unit.
The electric automobile wireless charging that the present invention is provided is in Barebone, the signal of the signal of the n kinds frequency is frequently
Rate is each unequal, and the scope of the n kinds frequency is between 100KHz-300kHz..
The electric automobile wireless charging that the present invention is provided is in Barebone, the n is 4, the signal input unit
Including the first signal source, secondary signal source, the 3rd signal source and the 4th signal source；The signal transmitter unit includes the first hair
Ray circle, the second transmitting coil, the 3rd transmitting coil and the 4th transmitting coil, first transmitting coil, the second emission lines
Circle, the 3rd transmitting coil and the 4th transmitting coil respectively with first signal source, secondary signal source, the 3rd signal source and
4th signal source is connected；The signal separation unit includes the first bandpass filter, the second bandpass filter, the 3rd bandpass filtering
Device and the 4th bandpass filter, first bandpass filter, the second bandpass filter, the 3rd bandpass filter and the 4th
Bandpass filter is respectively used to separate out the signal for the 4 repetition rates that the signal receiving unit is received..
The electric automobile wireless charging that the present invention is provided is in Barebone, the signal separation unit also includes difference
With the output end of first bandpass filter, the second bandpass filter, the 3rd bandpass filter and the 4th bandpass filter
The first rectification circuit, the second rectification circuit, the 3rd rectification circuit and the 4th rectification circuit of connection, first rectified current
Road, the second rectification circuit, the output end of the 3rd rectification circuit and the 4th rectification circuit connect the CPU respectively.
The electric automobile wireless charging that the present invention is provided is protected in Barebone, the vehicle end device also includes pressure limiting
Unit is protected, the input of the voltage-limiting protection unit connects the charging take-up reel, the output end of the voltage-limiting protection unit
The signal separation unit is connected, the voltage-limiting protection unit is used to charge described in wireless receiving in the charging take-up reel
When launching the power transmission of drum, pressure limiting is carried out to the signal separation unit, CPU and voice alerting unit
Protection.
The electric automobile wireless charging that the present invention is provided is in Barebone, the content of the voice message is included to institute
State charging take-up reel and the prompting of the relative position of the charging transmitting drum.
Present invention also offers a kind of alignment methods of electric automobile wireless charging to Barebone, the electric automobile is wireless
Charging includes vehicle end device and non-vehicle end device to Barebone, and the alignment methods at least comprise the following steps：To described
Non-vehicle end device inputs the signal of n kind frequencies, and the signal wireless transmission of the n kinds frequency is gone out；The vehicle end dress
The signal for receiving the n kinds frequency is put, and the signal of the n kinds frequency is subjected to Signal separator；The vehicle end device is to dividing
From the n kinds frequency signal carry out signal transacting；The vehicle end device is according to signal processing results to the electronic vapour
The position of car carries out voice message.
The invention also discloses a kind of vehicle end device, it includes signal receiving unit, the Signal separator list being sequentially connected
Member, CPU and voice alerting unit, the signal transmitting that the signal receiving unit wireless receiving is located at ground are single
The signal for the n kind frequencies that member is sent, the n is the integer not less than 3, letter of the signal separation unit to the n kinds frequency
Number separated and exported to the CPU, the CPU is handled and controlled to the signal of separation
The voice alerting unit carries out voice message to the position of the electric automobile.
In the vehicle end device that the present invention is provided, the electric automobile includes the charging take-up reel being located on vehicle, institute
Receiving coil is stated as the signal receiving unit.The signal frequency of the signal of the n kinds frequency is each unequal, and the n is 4.
The electric automobile wireless charging that the present invention is provided is in Barebone, alignment and vehicle end device, due to non-
Signal transmitter unit is provided with around the charging transmitting drum of vehicle end, signal receiving unit, the letter are provided with vehicle end
Number receiving unit receives the signal that n signal transmitter unit is sent, in the charging take-up reel with charging that to launch drum not right
On time, the intensity of the signal for each signal transmitter unit that the signal receiving unit is received is different, treats the signal
After separative element comes out the Signal separator of this n kind frequency, the CPU is that can determine whether the charging take-up reel
The position of relative charging transmitting drum, therefore the voice alerting unit can be controlled to make the position of the charging take-up reel
Prompting, and driver is informed, driver can carry out corresponding reverse action according to the position indicating.Thus present embodiment is provided
Electric automobile wireless charging Barebone, alignment are conducive to improving electric automobile receiving coil and transmitting coil are directed at essence
Degree；Further, since the alignment is that driver is informed by way of voice broadcast, driver only needs to ear,
Notice during driver's viewing rearview mirror reversing will not be disperseed, therefore, this pair of Barebone and alignment also improve electronic vapour
The security of car reversing.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
The electric automobile wireless charging for the better embodiment that Fig. 1 provides for the present invention shows the structure of Barebone 100
It is intended to；
Electric automobile wireless charging is to Barebone 100 shown in the Fig. 1 for the better embodiment that Fig. 2 provides for the present invention
The physical circuit schematic diagram of non-vehicle end device 10；
Electric automobile wireless charging is to Barebone 100 shown in the Fig. 1 for the better embodiment that Fig. 3 provides for the present invention
The physical circuit schematic diagram of vehicle end device 20；
Fig. 4 is scene graph when electric automobile is moved backward；
The principle for the electric automobile wireless charging alignment system alignment that Fig. 5 provides for the application illustrates schematic diagram；
Fig. 6 is a kind of scene graph when the charging take-up reel 201 is not aligned with the charging transmitting drum 103；
The electric automobile wireless charging of a better embodiment that Fig. 7 is provided for the present invention is to the alignment methods of Barebone
Schematic flow sheet.
Embodiment
The electric automobile wireless charging with charge function provided to illustrate the invention is to Barebone, below in conjunction with specification
Accompanying drawing and explanatory note are described in detail.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " connected ", " company
Connect " it should be interpreted broadly, can be the electric connection of two element internals；Can be joined directly together, intermediary can also be passed through
It is indirectly connected to, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance or implicit
Indicate the quantity of indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or impliedly wrap
Include one or more this feature.
As shown in figure 1, the electric automobile wireless charging of its better embodiment provided for the present invention is to Barebone 100
Overall structure diagram, it include positioned at ground non-vehicle end device 10 and the vehicle end device on electric automobile
20, the non-vehicle end device 10 is the wireless power of vehicle end device 20, and the electric automobile wireless charging is to Barebone
100 have the function of voice message, so that electric automobile is parked in correct position by driver in docking process.
The non-vehicle end device 10 includes：Signal input unit 101, signal transmitter unit 102 and charging emission lines
Disk 103, the signal input unit 101 is connected with the signal transmitter unit 102, and the signal transmitter unit 102 is arranged at
Around the charging transmitting drum 103, the signal input unit 101 is used for the signal for inputting n kind frequencies, the signal hair
The signal that unit 102 is used to launch the n kinds frequency is penetrated, the n is the integer not less than 3.
The vehicle end device 20 includes：The signal receiving unit 201 that is sequentially connected, signal separation unit 202, centre
Unit 203 and voice alerting unit 204 are managed, signal transmitter unit 102 described in the wireless receiving of signal receiving unit 201 is sent out
The signal of the n kind frequencies gone out, the signal of 202 pairs of the signal separation unit n kinds frequency is separated and exported to described
CPU 203, the signal of 203 pairs of separation of CPU is handled and controls the voice alerting unit
The position of 204 pairs of electric automobiles carries out voice message.The signal frequency of the signal of the n kinds frequency is each unequal, and described 4
The scope of frequency is planted between 100KHz-300kHz.
As shown in Figure 2,3, it is respectively electric automobile wireless charging shown in Fig. 1 of a better embodiment to Barebone
100 non-vehicle end device 10 and the physical circuit schematic diagram of vehicle end device 20.The signal input unit 101 includes first
Signal source 101a, secondary signal source 101b, the 3rd signal source 101c and the 4th signal source 101d, i.e., described signal input unit
Signal f1, f2, f3, f4 of 101 4 kinds of frequencies of output, and signal frequency f1, f2, f3, f4 of 4 kinds of frequencies are each unequal, one
Plant in embodiment, the first signal source 101a, secondary signal source 101b, the 3rd signal source 101c and the 4th signal source
Frequency f1, f2, f3, f4 of 101d outputs are respectively 150kHz, 200kHz, 250kHz and 300kHz.In other embodiment
In, signal input unit can also export 3 kinds or the signal more than 4 kinds of frequencies.
The signal transmitter unit 102 includes the first transmitting coil 102a, the second transmitting coil 102b, the 3rd transmitting coil
102c and the 4th transmitting coil 102d, the first transmitting coil 102a, the second transmitting coil 102b, the 3rd transmitting coil
102c and the 4th transmitting coil 102d respectively with the first signal source 101a, secondary signal source 101b, the 3rd signal source
101c and the 4th signal source 101d connections.In one embodiment, as shown in figure 4, its be electric automobile move backward when one
Scene graph, when the charging transmitting drum 103 is circle, using electric automobile astern direction as A directions, then first transmitting
Coil 102a, the second transmitting coil 102b, the 3rd transmitting coil 102c and the 4th transmitting coil 102d position relationship it is preferred
For：The first transmitting coil 102a, the second transmitting coil 102b, the 3rd transmitting coil 102c and the 4th transmitting coil 102d
On the charging transmitting Central Symmetry of drum 103, between the second transmitting coil 102b and the 4th transmitting coil 102d
Connecting line parallel to the A directions, line between the first transmitting coil 102a, the 3rd transmitting coil 102c perpendicular to
The A directions.
The electric automobile includes the charging take-up reel being located on car, and the receiving coil is used as the signal and receives single
Member 201, in other embodiments, the signal receiving unit 201 can also be around the charging take-up reel
Other signal receiving devices.
The signal separation unit 202 in the vehicle end device 20 includes the first bandpass filter 202a, the second band
Bandpass filter 202b, the 3rd bandpass filter 202c and the 4th bandpass filter 202d, the first bandpass filter 202a,
Second bandpass filter 202b, the 3rd bandpass filter 202c and the 4th bandpass filter 202d are respectively used to separate out described
Signal f1, f2, f3, the f4 for 4 kinds of frequencies that signal receiving unit (i.e. described charging take-up reel) is received.The Signal separator list
Member 202 also include respectively with the first bandpass filter 202a, the second bandpass filter 202b, the 3rd bandpass filter 202c
And it is the 4th bandpass filter 202d the first rectification circuit 202e of output end connection, the second rectification circuit 202f, the 3rd whole
Current circuit 202g and the 4th rectification circuit 202h, the first rectification circuit 202e, the second rectification circuit 202f, the 3rd rectification
Circuit 202g and the 4th rectification circuit 202h output end connect the CPU 203, first rectification respectively
Circuit 202e, the second rectification circuit 202f, the 3rd rectification circuit 202g and the 4th rectification circuit 202h are exported by whole respectively
Voltage after stream is simultaneously added in the CPU 203.
The vehicle end device 20 also includes voltage-limiting protection unit 205, and the input of the voltage-limiting protection unit 205 is connected
The charging take-up reel 201, the output end of the voltage-limiting protection unit 205 connects the signal separation unit 202, the limit
Protection location 205 is pressed to be used for the power transmission in the charging take-up reel 201 in charging transmitting drum 103 described in wireless receiving
When, voltage-limiting protection is carried out to the signal separation unit 202, CPU 203 and voice alerting unit 204.
As shown in figure 5, the principle of its electric automobile wireless charging alignment system alignment provided for the application illustrates signal
Figure.In electric automobile reversing process, alived in signal transmitting coil, now, the charging receiving coil on electric automobile
Electric current is not switched on, charging receiving coil produces induced-current in the presence of electromagnetic induction, and the induced-current passes through pressure limiting
Circuit, bandpass filter and rectification unit, are that direct current applies on the central processing unit by AC conversion, center processing
Unit detect after voltage will control voice Tip element make corresponding voice message.A signal is only depicted in Fig. 5
Transmitting coil, the signal detection principle of other signal transmitting coils is similarly.Present embodiment is by setting four signal emission lines
Circle, that is, there are four groups of voltages to be applied in the CPU, when detect four groups of voltage signal intensities it is consistent when, you can sentence
Disconnected charging transmitting drum and charging receiving coil are aligned；When detect four groups of voltage signal intensities it is inconsistent when, voice is carried
Show that unit can make corresponding voice message, for example " please be toward rear right reversing ", " please stop port forward " etc..When charging emission lines
When disk is charged normal, pressure limiting circuit can limit higher voltage and enter bandpass filter.
As shown in fig. 6, it is the charging take-up reel 201 does not launch one kind when drum 103 is aligned with the charging
In scene graph, figure, on A directions, the charging take-up reel 201 is nearer from the 3rd transmitting coil 102c, from first
Transmitting coil 102a is farther out；On parallel to A directions, the charging take-up reel 201 is nearer from the 4th transmitting coil 102d, from
Farther out, therefore, the signal for the 3rd transmitting coil 102c that the charging take-up reel 201 is received is strong by second transmitting coil 102b
First transmitting coil 102a of the degree than receiving signal intensity is stronger, the 4th hair that the charging take-up reel 201 is received
The signal intensity for the second transmitting coil 102b that ray circle 102d signal intensity ratio is received is stronger, therefore, in described
After the processing of Central Processing Unit 203, that is, it is judged as that the charging take-up reel 201 is located at the right side of the charging transmitting drum 103
Front, thus, the CPU 203 can control the voice alerting unit 204 to send sign " charging take-up reel position
Driver is informed in the voice message of the right front for launching drum in charging " or " please be moved backward toward left back ".
As shown in fig. 7, the electric automobile wireless charging of its better embodiment provided for the present invention is to Barebone
The schematic flow sheet of alignment methods, the alignment methods at least comprise the following steps：
Step S01：The signal of n kind frequencies is inputted to the non-vehicle end device, and the signal of the n kinds frequency is wireless
Launch；
Step S02：The vehicle end device receives the signal of the n kinds frequency, and the signal of the n kinds frequency is carried out
Signal separator；
Step S03：The vehicle end device carries out signal transacting to the signal of the n kinds frequency of separation；
Step S04：The vehicle end device carries out voice to the position of the electric automobile according to signal processing results and carried
Show.
The step S01 is completed by the non-vehicle end device, and step S02, S03 and S04 are by the vehicle
End device is completed.
The electric automobile wireless charging that present embodiment is provided in Barebone, alignment and vehicle end device, due to
Signal transmitter unit is provided with around the charging transmitting drum at non-vehicle end, signal receiving unit, institute are provided with vehicle end
State signal receiving unit and receive the signal that n signal transmitter unit is sent, in the charging take-up reel and charging transmitting drum
During misalignment, the intensity of the signal for each signal transmitter unit that the signal receiving unit is received is different, treats described
After signal separation unit comes out the Signal separator of this n kind frequency, the CPU is that can determine whether that the charging is received
The position of the relative charging transmitting drum of drum, therefore the voice alerting unit can be controlled to make the charging take-up reel
Position indicating, and driver is informed, driver can carry out corresponding reverse action according to the position indicating.Thus present embodiment
The electric automobile wireless charging of offer is conducive to improving electric automobile receiving coil and transmitting coil pair to Barebone, alignment
Quasi- precision；Further, since the alignment is that driver is informed by way of voice broadcast, driver only needs to ear i.e.
Can, notice during driver's viewing rearview mirror reversing will not be disperseed, therefore, this pair of Barebone and alignment also improve electronic
The security of reversing automobile.
Above for the electric automobile wireless charging that provides of the present invention to Barebone, alignment methods and vehicle end device compared with
Good embodiment, can not be interpreted as the limitation to rights protection scope of the present invention, and those skilled in the art should know,
On the premise of not departing from present inventive concept, a variety of improvement or replacement can be also done, all grades are improved or replaced all should be at this
In the rights protection scope of invention, i.e., the scope of the present invention should be defined by claim.
Claims (10)
1. a kind of electric automobile wireless charging is to Barebone, it is at least included positioned at the non-vehicle end device on ground and positioned at electricity
Vehicle end device on electrical automobile；
The non-vehicle end device includes：Signal input unit, signal transmitter unit are with the transmitting drum that charges, the signal input
Unit is connected with the signal transmitter unit, and the signal transmitter unit is arranged at around the charging transmitting drum, described
Signal input unit is used for the signal for inputting n kind frequencies, and the signal transmitter unit is used for the signal for launching the n kinds frequency,
The n is the integer not less than 3；
The vehicle end device includes：Signal receiving unit, signal separation unit, CPU and the language being sequentially connected
Sound Tip element, the signal for the n kind frequencies that signal transmitter unit described in the signal receiving unit wireless receiving is sent, the letter
Number separative element is separated to the signal of the n kinds frequency and exported to the CPU, and the center processing is single
Member is handled the signal of separation and controls the voice alerting unit to carry out voice message to the position of the electric automobile.
2. electric automobile wireless charging as claimed in claim 1 is to Barebone, it is characterised in that：The electric automobile includes position
In the charging take-up reel on car, the charging take-up reel is used as the signal receiving unit.
3. electric automobile wireless charging as claimed in claim 1 is to Barebone, it is characterised in that：The signal of the n kinds frequency
Signal frequency it is each unequal.
4. electric automobile wireless charging as claimed in claim 3 is to Barebone, it is characterised in that：The n is 4, the signal
Input block includes the first signal source, secondary signal source, the 3rd signal source and the 4th signal source；The signal transmitter unit bag
Include the first transmitting coil, the second transmitting coil, the 3rd transmitting coil and the 4th transmitting coil, first transmitting coil,
Two transmitting coils, the 3rd transmitting coil and the 4th transmitting coil are believed with first signal source, secondary signal source, the 3rd respectively
Number source and the connection of the 4th signal source；The signal separation unit includes the first bandpass filter, the second bandpass filter, the 3rd
Bandpass filter and the 4th bandpass filter, first bandpass filter, the second bandpass filter, the 3rd bandpass filter
And the 4th bandpass filter be respectively used to separate out the signals of 4 kinds of frequencies that the signal receiving unit is received.
5. electric automobile wireless charging as claimed in claim 4 is to Barebone, it is characterised in that：The signal separation unit is also
Including respectively with first bandpass filter, the second bandpass filter, the 3rd bandpass filter and the 4th bandpass filter
Output end connection the first rectification circuit, the second rectification circuit, the 3rd rectification circuit and the 4th rectification circuit, described first
Rectification circuit, the second rectification circuit, the output end of the 3rd rectification circuit and the 4th rectification circuit connect the centre respectively
Manage unit.
6. electric automobile wireless charging as claimed in claim 2 is to Barebone, it is characterised in that：The vehicle end device is also wrapped
Voltage-limiting protection unit is included, the input of the voltage-limiting protection unit connects the charging take-up reel, the voltage-limiting protection unit
Output end connect the signal separation unit, the voltage-limiting protection unit is used in the charging take-up reel in wireless receiving
During the power transmission of the charging transmitting drum, to the signal separation unit, CPU and voice alerting unit
Carry out voltage-limiting protection.
7. electric automobile wireless charging as claimed in claim 2 is to Barebone, it is characterised in that：The content of the voice message
Including the prompting for the relative position for launching the charging take-up reel drum with the charging.
8. a kind of electric automobile wireless charging includes to the alignment methods of Barebone, the electric automobile wireless charging to Barebone
Vehicle end device and non-vehicle end device, the alignment methods at least comprise the following steps：
The signal of n kind frequencies is inputted to the non-vehicle end device, and the signal wireless transmission of the n kinds frequency is gone out, institute
It is the integer not less than 3 to state n；
The vehicle end device receives the signal of the n kinds frequency, and the signal of the n kinds frequency is carried out into Signal separator；
The vehicle end device carries out signal transacting to the signal of the n kinds frequency of separation；
The vehicle end device carries out voice message according to signal processing results to the position of the electric automobile.
9. a kind of vehicle end device, it include the signal receiving unit, signal separation unit, CPU that are sequentially connected with
And voice alerting unit, the n kind frequencies that the signal transmitter unit that the signal receiving unit wireless receiving is located at ground is sent
Signal, the n is integer not less than 3, the signal separation unit signal of the n kinds frequency is separated and export to
The CPU, the CPU is handled the signal of separation and controls the voice alerting unit pair
The position of the electric automobile carries out voice message.
10. vehicle end device as claimed in claim 9, it is characterised in that：The electric automobile includes being located at filling on vehicle
Electricity receives drum, and the receiving coil is used as the signal receiving unit.Each not phase of the signal frequency of the signal of the n kinds frequency
It is 4 Deng, the n.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289103.3A CN107332291A (en) | 2016-04-29 | 2016-04-29 | Electric automobile wireless charging is to Barebone, alignment methods and vehicle end device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289103.3A CN107332291A (en) | 2016-04-29 | 2016-04-29 | Electric automobile wireless charging is to Barebone, alignment methods and vehicle end device |
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| CN107332291A true CN107332291A (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610289103.3A Pending CN107332291A (en) | 2016-04-29 | 2016-04-29 | Electric automobile wireless charging is to Barebone, alignment methods and vehicle end device |
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| CN112895926A (en) * | 2021-01-18 | 2021-06-04 | 江苏航空职业技术学院 | Wireless charging system and charging alignment method for electric aircraft |
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