CN104505925A - Vehicle end positioning method for wireless charging of electric automobile - Google Patents
Vehicle end positioning method for wireless charging of electric automobile Download PDFInfo
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- CN104505925A CN104505925A CN201410848741.5A CN201410848741A CN104505925A CN 104505925 A CN104505925 A CN 104505925A CN 201410848741 A CN201410848741 A CN 201410848741A CN 104505925 A CN104505925 A CN 104505925A
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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
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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Abstract
The invention provides a vehicle end positioning method for wireless charging of an electric automobile. In the method, a wireless charge emission host at a non-vehicle end is wakened by using a near field communication module; after the wireless charge emission host at the non-vehicle end is wakened, a charge emission coil is controlled to emit a magnetic pulse signal by a second microcontroller; the intensity of the magnetic pulse signal is detected at the vehicle end by using a hall device and an electric signal is output; the electric signal is compared through a second microcontroller to realize positioning of the charge emission coil; whether the charge emission coil is accurately aligned with the charge receiving coil is detected; the offset direction and the offset distance are detected under the condition that the charge emission coil and a charge receiving coil are not correctly aligned, a prompt signal is output to a vehicle user, and meanwhile a mechanical device is controlled through a first microcontroller to drive the charge receiving coil to move, so that automation and intelligence of alignment of the charge emission coil and the charge receiving coil are realized.
Description
Technical field
The application relates to electric automobile wireless charging field, particularly relates to a kind of electric automobile wireless charging vehicle end locating method.
Background technology
Along with petering out of earth petroleum resources, and the aggravation that earth environment pollutes, automobile is as one of primary pollution source, and while bringing convenience to people's life, it also can not be ignored the pollution of environment.In order to reduce the pollution of automobile to environment, electric automobile is more and more extensive with the application of its environmental protection in people's life, and the popularization of electric automobile is very helpful to solution energy problem and environmental problem tool.
The mode of wireless charging is adopted to charge to electric automobile, significant to the popularization of electric automobile.Adopting the mode of wireless charging to charge to electric automobile, needing to be provided with charging transmitting coil at the non-vehicle end of electric automobile, being provided with charging receiving coil at the vehicle end of electric automobile.The charging transmitting coil of non-vehicle end is generally arranged on the fixing parking stall of electric automobile, the charging receiving coil of vehicle end is generally arranged on below the chassis of electric automobile, the quality that this charging transmitting coil is aimed at charging receiving coil, be directly connected to the efficiency of electric automobile wireless charging, therefore, solving the alignment issues of charging electric vehicle transmitting coil and charging receiving coil, is be related to the key that electric automobile wireless charging applies.
Summary of the invention
The application provides a kind of electric automobile wireless charging vehicle end locating method, in the method, can carry out on the fixing parking stall of wireless charging when electric automobile rests in, when need carry out wireless charging to electric automobile, electric automobile car owner can press on motor vehicle for eletric button to send charge request.Whether the first microcontroller of vehicle end detects this confession eletric button and connects, if this is for eletric button access failure, then continue to wait for, if this confession eletric button is connected, the near-field communication module then controlling vehicle end is distinguished module with the near-field communication of non-vehicle end and is communicated by NFC agreement, to start the charging host of non-vehicle end.After near-field communication module and near-field communication distinguish module communication success, send second microcontroller of the successful secondary signal of this communication of this sign to non-vehicle end, second microcontroller controls non-vehicle end wireless charging after receiving secondary signal launches host-initiated, and the transmitting coil of this second microprocessor controls charging simultaneously launches magnetic field impulse signal.The hall device of charging receiving coil both sides detects the magnetic field intensity of the magnetic field impulse signal that position charging transmitting coil is launched, and export the signal of telecommunication according to this magnetic field intensity, this signal of telecommunication is delivered to the first microcontroller by the analog signal input port of the first microcontroller, the signal of telecommunication that the hall device of the first microcontroller to charging transmitting coil both sides exports compares, the signal of telecommunication due to the hall device output of the side at transmitting coil place of charging necessarily is greater than the signal of telecommunication that opposite side hall device exports, therefore the first microcontroller can determine the offset direction of charging transmitting coil and charging receiving coil according to comparative result, and export cue.First microcontroller sorts by the signal of telecommunication exported hall device simultaneously, determine according to ranking results the position at transmitting coil place of charging, thus utilize hall device and the position relationship of charging receiving coil to determine charge the offset distance of transmitting coil and the receiving coil that charges.After determining offset distance and offset direction, if this offset distance does not meet preset protocol, then the second microprocessor controls mechanical device moves left and right this offset distance, in this application, this mechanical device can realize with servo electricity cylinder, this mechanical device drives charging receiving coil to move, the automation that realization charging receiving coil is aimed at charging transmitting coil and intellectuality.
Above-mentioned first microcontroller controls mechanical device according to comparative result and moves, be specially: if the signal of telecommunication that the hall device on the left of charging receiving coil exports all is greater than the signal of telecommunication that on the right side of charging receiving coil, hall device exports, then controls mechanical device and be moved to the left; If the signal of telecommunication that the hall device on the left of charging receiving coil exports all is less than the signal of telecommunication that on the right side of charging receiving coil, hall device exports, then controls mechanical device and move right.
Above-mentioned first microcontroller receives the signal of telecommunication that hall device exports, and respectively the signal of telecommunication that both sides hall device exports is compared, the offset direction of charging transmitting coil and charging receiving coil is determined according to comparative result, also comprise: the first microcontroller exports the signal of telecommunication to hall device and sorts, determine the position of charging transmitting coil according to ranking results, and determine the offset distance of charging transmitting coil and charging receiving coil according to the position of charging receiving coil.
Above-mentioned first microcontroller determines the position of charging receiving coil according to ranking results, be specially: the first microcontroller is determined to export the maximum hall device position of signal of telecommunication numerical value according to ranking results, determines the position of charging transmitting coil according to the position of hall device.
Above-mentioned first microcontroller determines the offset distance of charging transmitting coil and charging receiving coil according to the position of charging transmitting coil, be specially: the first microcontroller is according to the position of charging transmitting coil, and the position relationship between hall device and charging receiving coil is determined charge the offset distance of transmitting coil and the receiving coil that charges.
Above-mentioned first microcontroller determines the offset distance of charging transmitting coil and charging receiving coil according to the position of charging receiving coil, also comprise after step: if this offset distance does not meet preset protocol, then the first microcontroller controls mechanical device according to charging transmitting coil with the charging offset direction of receiving coil and offset distance and moves, and makes charging transmitting coil realize aiming at the receiving coil that charges.
The beneficial effect of the application is: the application provides a kind of electric automobile wireless charging vehicle end locating method, in the method, utilize near-field communication module to launch main frame to the wireless charging of non-vehicle end to wake up, after the wireless charging transmitting main frame of non-vehicle end is waken up, second microprocessor controls charging transmitting coil launches magnetic field impulse signal, hall device is adopted to detect the intensity of this magnetic field impulse signal and export the signal of telecommunication at vehicle end, by the first microcontroller, this signal of telecommunication is compared, realize positioning charging transmitting coil, detect charging transmitting coil whether accurately to aim at charging receiving coil, when the transmitting coil that charges correctly is not aimed at charging receiving coil, detect its offset direction and offset distance, if offset distance does not meet preset protocol, first microprocessor controls mechanical device drives the motion of charging receiving coil, realize the intellectually and automatically that charging transmitting coil is aimed at charging receiving coil.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present application direction schematic diagram;
Fig. 2 is the embodiment of the present application flow chart;
Fig. 3 is the embodiment of the present application alignment position view;
Fig. 4 is the embodiment of the present application partially steady state position schematic diagram.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
The term definition used in the application:
Hall device: be on the basis of Hall effect principle, utilizes integration packaging and packaging technology to be made, and it can convert magnetic input signal to the signal of telecommunication in practical application easily.
In the application, electric automobile comprises pure electric vehicle, or the new forms of energy motor vehicle driven by mixed power such as the mixing of electricity oil, electrically mixing.
The fixing parking stall in parking lot is generally equipped with position limiting pile, car owner is when stopping vehicle into parking stall, generally the wheel of electric automobile is all made to rest on position limiting pile, therefore carry out in wireless charging process in reality to electric automobile, non-vehicle end charging transmitting coil and the vehicle end receiving coil that charges only relates to alignment issues in the lateral direction, does not relate to the alignment issues on fore-and-aft direction.In this application, as shown in Figure 1, Fig. 1 is the embodiment of the present application direction schematic diagram, and above-mentioned left and right directions is the direction parallel with the position limiting pile on parking stall, and above-mentioned fore-and-aft direction is parallel with the chassis of motor vehicle, and the direction vertical with the position limiting pile on parking stall.Therefore, in this application, a kind of electric automobile wireless charging launches the hall device of the vehicle end of main frame navigation system in the arrangement of the charging receiving coil left and right sides.
Embodiment one:
The application provides a kind of electric automobile wireless charging vehicle end locating method, and please refer to Fig. 2, Fig. 2 is the embodiment of the present application one flow chart, comprises the following steps:
When electric automobile rest in can carry out the fixing parking stall of wireless charging time, electric automobile car owner can press on motor vehicle for eletric button to send wireless charging request.
Step S1: the first microcontroller detects whether connecting for eletric button of electric automobile, if this is connected for eletric button, then performs step S2, if this is for eletric button access failure, then continues to wait for.
After step S2: the first microcontroller detects the first signal characterizing and connect for eletric button, control near-field communication module is distinguished module with near-field communication and is communicated.
The wireless charging of electric automobile is launched main frame and is comprised vehicle end and non-vehicle end, the wireless charging of non-vehicle end is launched main frame and is generally in standby mode in a non-operative state, second microcontroller detects that near-field communication module and near-field communication are distinguished module and carried out communicating after successful secondary signal in the step s 21, performs step S23 and controls charging transmitting coil and launch magnetic field impulse signal.
Step S3: the magnetic field impulse signal strength signal intensity that hall device is launched according to charging transmitting coil exports the signal of telecommunication;
The magnetic field impulse signal strength signal intensity that hall device is launched according to charging transmitting coil exports the signal of telecommunication, is specially, and hall device detects the magnetic field intensity of the magnetic field impulse signal that position charging transmitting coil is launched, and exports the signal of telecommunication according to this magnetic field intensity.The voltage signal size that hall device exports is directly proportional to magnitude of field intensity, and namely the magnetic field intensity that detects of hall device is stronger, and voltage signal numerical value of its output is larger.Usually respectively establish an equal number hall device in charging receiving coil both sides, and the hall device of symmetric position is equal with the distance of charging receiving coil.It is easily understood that the hall device quantity adopted is more, then the detection of hall device to charging transmitting coil position is more accurate.As shown in Figure 3, a kind of embodiment of respectively establishing three hall devices in charging receiving coil both sides is given in Fig. 3, in this embodiment, by called after L1, L2 and the L3 respectively of three hall devices on the left of this charging receiving coil, by called after R1, R2 and the R3 respectively of three hall devices on the right side of this charging receiving coil, then R1 is the hall device of L1 symmetric position, and R2 is the hall device of L2 symmetric position, and R3 is the hall device of L3 symmetric position; Hall device L1 is d1 with the distance of charging receiving coil, hall device L2 is d2 with the distance of charging receiving coil, hall device L3 is d3 with the distance of charging receiving coil, hall device R1 is D1 with the distance of charging receiving coil, and hall device R2 is D2 with the distance of charging receiving coil, and hall device R3 is D3 with the distance of charging receiving coil, the hall device of symmetric position is equal with the distance between charging receiving coil, namely d1 equals D1, and d2 equals D2, and d3 equals D3.
Step S4: the first microcontroller receives the signal of telecommunication that hall device exports;
Hall device adopts UGN3501 to realize.UGN3501 is by integrated to voltage stabilizing circuit, differential amplifier and linear amplifier linear Hall integrated circuit on a single die, its export signal of telecommunication and magnetic induction density B proportional.The output pin of hall device is connected with the analog signal input pin of the first microcontroller, and the first microcontroller receives the signal of telecommunication that hall device exports.Above-mentioned first microcontroller can have controlling functions integrated circuit (IC) chip or discrete circuit module for single-chip microcomputer, DSP or FPGA etc.
Step S5: the first microcontroller compares the signal of telecommunication that both sides hall device exports respectively;
First microcontroller compares the signal of telecommunication that both sides hall device exports.For Fig. 3, above-mentioned first microcontroller compares the signal of telecommunication that both sides hall device exports, be specially: the first microcontroller compares the signal of telecommunication that L1 and R1 exports, the signal of telecommunication that L2 and R2 exports is compared, the signal of telecommunication that L3 and R3 exports is compared.
Step S6: the first microcontroller determines the offset direction of charging transmitting coil and charging receiving coil according to comparative result;
First microcontroller determines the offset direction of charging transmitting coil and charging receiving coil according to comparative result.
Fig. 3 gives the position view of charging transmitting coil with charging receiving coil alignment, if charging transmitting coil is accurately aimed at charging receiving coil, the signal of telecommunication that the hall device then charging receiving coil bilateral symmetry position exports should be equal, and namely the signal of telecommunication of L1 and the R1 output signal of telecommunication that is equal, L2 and R2 output the signal of telecommunication that is equal, L3 and R3 output is equal.Fig. 4 gives the position view of charging transmitting coil with the partially steady state of charging receiving coil, and under this partially steady state, charging transmitting coil is not accurately aimed at charging receiving coil.If charging transmitting coil is not accurately aimed at charging receiving coil, the signal of telecommunication that the hall device then charging receiving coil bilateral symmetry position exports should be unequal, and namely the signal of telecommunication of L1 and the R1 output signal of telecommunication that is unequal, L2 and R2 output the signal of telecommunication that is unequal, L3 and R3 output is unequal; If the signal of telecommunication that the hall device that the signal of telecommunication that the hall device on the left of charging receiving coil exports all is greater than symmetric position on the right side of charging receiving coil exports, then mean below the hall device that charging transmitting coil position is on the left of charging receiving coil; If the signal of telecommunication that the hall device that the signal of telecommunication that on the left of charging receiving coil, hall device exports is less than symmetric position on the right side of charging receiving coil exports, then mean below the hall device that charging transmitting coil position is on the right side of charging receiving coil.
Step S7: the first microcontroller controls mechanical device according to offset direction and moves.
First microcontroller controls mechanical device according to offset direction and moves.If the signal of telecommunication that the hall device that the signal of telecommunication that the hall device on the left of charging receiving coil exports is greater than symmetric position on the right side of charging receiving coil exports, then mean that below the hall device that charging transmitting coil position is on the left of charging receiving coil, the first microprocessor controls mechanical device is moved to the left;
If the signal of telecommunication that the hall device that the signal of telecommunication that the hall device on the left of charging receiving coil exports is less than symmetric position on the right side of charging receiving coil exports, then mean that below the hall device that charging transmitting coil position is on the left of charging receiving coil, the first microprocessor controls mechanical device moves right.
The present embodiment provides a kind of electric automobile wireless charging vehicle end locating method, in the method, utilize near-field communication module to launch main frame to the wireless charging of non-vehicle end to wake up, after the wireless charging transmitting main frame of non-vehicle end is waken up, second microprocessor controls charging transmitting coil launches magnetic field impulse signal, hall device is adopted to detect the intensity of this magnetic field impulse signal and export the signal of telecommunication at vehicle end, by the first microcontroller, this signal of telecommunication is compared, realize positioning charging transmitting coil, detect charging transmitting coil whether accurately to aim at charging receiving coil, when the transmitting coil that charges correctly is not aimed at charging receiving coil, if offset distance does not meet preset protocol, first microprocessor controls mechanical device drives the motion of charging receiving coil, realize the intellectually and automatically that charging transmitting coil is aimed at charging receiving coil.
Embodiment two:
As shown in Figure 2, on the basis of embodiment one, the first microcontroller receives the signal of telecommunication that hall device exports, and compares the signal of telecommunication that the hall device of bilateral symmetry position exports respectively, determine according to comparative result charge transmitting coil and the offset direction of charging receiving coil, also comprise:
Step S8: the first microcontroller exports the signal of telecommunication to hall device and sorts.
Step S9: the first microcontroller determines the offset distance of charging transmitting coil and charging receiving coil according to ranking results.
First microcontroller determines the position of charging receiving coil according to ranking results, and the first microcontroller determines the offset distance of charging transmitting coil and charging receiving coil according to the position of charging receiving coil.
When the transmitting coil that charges accurately is not aimed at charging receiving coil, the signal of telecommunication exported with the nearest hall device of charging transmitting coil is maximum, and the ranking results that therefore can export the signal of telecommunication according to hall device determines the position of charging transmitting coil.The charging transmitting coil of non-vehicle end is generally positioned at the medium position on the left and right directions of parking stall, by the area constraints on parking stall, therefore the car owner of electric automobile electric automobile is parked in can carry out wireless charging parking stall on time, charging transmitting coil can not be too far away with the offset distance of charging receiving coil, above-mentioned first microcontroller exports the signal of telecommunication to hall device and sorts, maximum is generally the signal of telecommunication that on the left of distance charging receiving coil, nearest hall device exports, or the signal of telecommunication that on the right side of distance charging receiving coil, nearest hall device exports.
First microcontroller determines the position of charging transmitting coil according to ranking results, is specially: the first microcontroller is determined to export the maximum hall device position of signal of telecommunication numerical value according to ranking results, determines the position of charging transmitting coil according to the position of hall device.Fig. 4 gives charging transmitting coil and the nearest example of hall device L1, in the case, the signal of telecommunication that hall device L1 exports is maximum, hall device L2 exports signal of telecommunication numerical value and takes second place, it is minimum that hall device L3 exports signal of telecommunication numerical value, therefore can determining now to charge, L1 is nearest for transmitting coil distance hall device, the distance between hall device and charging receiving coil can be preserved in the first microcontroller, after determining the hall device nearest with the transmitting coil that charges, according to the distance of this hall device with charging receiving coil, the offset distance of this charging transmitting coil and charging receiving coil can be determined.As shown in Figure 4, L1 is nearest for charging transmitting coil distance hall device, and the distance of hall device L1 distance charging receiving coil is d1, then can determine that this charging transmitting coil is d1 with the offset distance of charging receiving coil.
Step S10: the first microcontroller judges whether offset distance meets preset protocol.
Under normal conditions, charging transmitting coil is difficult to realize 100% with charging receiving coil and accurately aims at, and often there is deviation.Above-mentioned preset protocol according to charging transmitting coil with charging receiving coil not completely to punctual theory analysis and experimental data, determine the less offset distance of electric automobile wireless charging efficiency impact.According to theory analysis and experimental verification, when offset distance is ten centimeters, the decrease in efficiency of wireless charging is about 2%, now can not export cue, normally carries out wireless charging.When this offset distance does not meet preset protocol, when offset distance is greater than ten centimeters; When this offset distance meets preset protocol, offset distance is less than or equal to ten centimeters.
If if preset protocol should be met by this offset distance, then continued to wait for.If this offset distance does not meet preset protocol, then perform step S11.
Step S11: the first microcontroller controls mechanical device according to offset direction and offset distance and moves
If this offset distance does not meet preset protocol, then the first microcontroller controls mechanical device according to the offset distance of charge transmitting coil and charging receiving coil and offset direction and moves this offset distance, makes charging transmitting coil realize aiming at charging receiving coil.Above-mentioned first microcontroller controls mechanical device according to the offset direction of charge transmitting coil and charging receiving coil and offset distance and moves, be specially: if below the hall device of charging transmitting coil on the left of charging receiving coil, then control mechanical device and be moved to the left this offset distance; If below the hall device of charging transmitting coil on the right side of charging receiving coil, then control mechanical device and to move right this offset distance.
In sum, the application provides a kind of electric automobile wireless charging vehicle end locating method, in the method, utilize near-field communication module to launch main frame to the wireless charging of non-vehicle end to wake up, after the wireless charging transmitting main frame of non-vehicle end is waken up, second microprocessor controls charging transmitting coil launches magnetic field impulse signal, hall device is adopted to detect the intensity of this magnetic field impulse signal and export the signal of telecommunication at vehicle end, by the first microcontroller, this signal of telecommunication is compared, realize positioning charging transmitting coil, detect charging transmitting coil whether accurately to aim at charging receiving coil, when the transmitting coil that charges correctly is not aimed at charging receiving coil, detect its offset direction and offset distance, if offset distance does not meet preset protocol, first microprocessor controls mechanical device drives the motion of charging receiving coil, realize the intellectually and automatically that charging transmitting coil is aimed at charging receiving coil.
It will be appreciated by those skilled in the art that, in above-mentioned execution mode, all or part of step of various method can be carried out instruction related hardware by program and completes, this program can be stored in a computer-readable recording medium, and storage medium can comprise: read-only memory, random asccess memory, disk or CD etc.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (8)
1. an electric automobile wireless charging vehicle end locating method, is characterized in that, comprising:
The vehicle end wherein implementing a kind of electric automobile wireless charging navigation system of the method comprises the first microcontroller, mechanical device, charging receiving coil, near-field communication module and hall device; The non-vehicle end implementing a kind of electric automobile wireless charging navigation system of the method comprises the second microcontroller, near-field communication recognition module and charging transmitting coil;
After described first microcontroller detects the first signal characterizing and connect for eletric button, control described near-field communication module and distinguish module with described near-field communication and communicate;
After described second microcontroller detects that described near-field communication module and described near-field communication distinguish the successful secondary signal of module communication, control described charging transmitting coil and launch magnetic field impulse signal;
The magnetic field impulse signal strength signal intensity that described hall device is launched according to described charging transmitting coil exports the signal of telecommunication;
Described first microcontroller receives the signal of telecommunication that described hall device exports, and respectively the signal of telecommunication that both sides hall device exports is compared, determine the offset direction of described charging transmitting coil and described charging receiving coil according to comparative result, and control described mechanical device according to offset direction and move.
2. the method for claim 1, is characterized in that:
Described first microcontroller controls described mechanical device according to comparative result and moves, and is specially:
If the signal of telecommunication that the described hall device on the left of described charging receiving coil exports all is greater than the signal of telecommunication that on the right side of described charging receiving coil, the described hall device of symmetric position exports, then controls described mechanical device and be moved to the left;
If the signal of telecommunication that the described hall device on the left of described charging receiving coil exports all is less than the signal of telecommunication that on the right side of described charging receiving coil, the described hall device of symmetric position exports, then controls described mechanical device and move right.
3. the method for claim 1, is characterized in that:
Described first microcontroller receives the signal of telecommunication that described hall device exports, and compares the signal of telecommunication that both sides hall device exports respectively, determines the offset direction of described charging transmitting coil and described charging receiving coil, also comprise according to comparative result:
Described first microcontroller exports the signal of telecommunication to described hall device and sorts, determine the position of described charging transmitting coil according to ranking results, and determine the offset distance of described charging transmitting coil and described charging receiving coil according to the position of described charging receiving coil.
4. method as claimed in claim 3, is characterized in that:
Described first microcontroller determines the position of described charging receiving coil according to ranking results, is specially:
Described first microcontroller is determined to export the maximum described hall device position of signal of telecommunication numerical value according to ranking results, determines the position of described charging transmitting coil according to the position of described hall device.
5. method as claimed in claim 6, is characterized in that:
Described first microcontroller determines the offset distance of described charging transmitting coil and described charging receiving coil according to the position of described charging transmitting coil, is specially:
Described first microcontroller is according to the position of described charging transmitting coil, and the position relationship between described hall device and described charging receiving coil determines the offset distance of described charging transmitting coil and described charging receiving coil.
6. method as claimed in claim 5, is characterized in that:
Described first microcontroller determines the offset distance of described charging transmitting coil and described charging receiving coil according to the position of described charging receiving coil, also comprises after step:
If described offset distance does not meet preset protocol, then described first microcontroller controls mechanical device according to the offset direction of described charging transmitting coil and described charging receiving coil and offset distance and moves, and makes described charging transmitting coil realize aiming at described charging receiving coil.
7. method as claimed in claim 6, is characterized in that:
If the offset distance of described charging transmitting coil and described charging receiving coil is less than or equal to ten centimeters, then meet preset protocol;
If the offset distance of described charging transmitting coil and described charging receiving coil is greater than ten centimeters, then do not meet preset protocol.
8. method as claimed in claim 6, is characterized in that:
Described first microcontroller controls mechanical device according to the offset direction of described charging transmitting coil and described charging receiving coil and offset distance and moves, and is specially:
If below the hall device of described charging transmitting coil on the left of described charging receiving coil, then control described mechanical device and be moved to the left described offset distance;
If below the hall device of described charging transmitting coil on the right side of described charging receiving coil, then control described mechanical device and to move right described offset distance.
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| CN201410848741.5A CN104505925A (en) | 2014-12-31 | 2014-12-31 | Vehicle end positioning method for wireless charging of electric automobile |
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| CN105186593A (en) * | 2015-07-22 | 2015-12-23 | 厦门新页科技有限公司 | Electric vehicle wireless charging transmitting and receiving automatic alignment system |
| CN105389995A (en) * | 2015-12-09 | 2016-03-09 | 赵树龙 | Buried vehicle detector with wireless charging function |
| CN107332291A (en) * | 2016-04-29 | 2017-11-07 | 深圳市泰金田科技有限公司 | Electric automobile wireless charging is to Barebone, alignment methods and vehicle end device |
| CN110435452A (en) * | 2019-08-20 | 2019-11-12 | 中兴新能源汽车有限责任公司 | A kind of wireless charging guidance positioning system and method, ground installation, mobile unit |
| CN110707790A (en) * | 2018-06-22 | 2020-01-17 | 西万拓私人有限公司 | Hearing device charging method, hearing device system, hearing device and charging apparatus |
| WO2020147126A1 (en) * | 2019-01-18 | 2020-07-23 | Oppo广东移动通信有限公司 | Wireless charging method, device to be charged and wireless charging system |
| WO2024055936A1 (en) * | 2022-09-15 | 2024-03-21 | 东莞市幻影创新科技有限公司 | Electric vehicle wireless power transfer system and control method therefor |
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