CN102638080A - Wireless charge-discharge parking space self-adaption device of electric automobile and application method thereof - Google Patents
Wireless charge-discharge parking space self-adaption device of electric automobile and application method thereof Download PDFInfo
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- CN102638080A CN102638080A CN2012101287936A CN201210128793A CN102638080A CN 102638080 A CN102638080 A CN 102638080A CN 2012101287936 A CN2012101287936 A CN 2012101287936A CN 201210128793 A CN201210128793 A CN 201210128793A CN 102638080 A CN102638080 A CN 102638080A
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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
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- 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 wireless charge-discharge parking space self-adaption device of an electric automobile and belongs to the technical field of wireless power supply. The self-adaption device comprises a main controller, a power supply unit, a position detection unit, a correction execution unit and a communication unit. According to the application method of the wireless charge-discharge parking space self-adaption device of the electric automobile, the communication unit sends charge-discharge instructions sent by the electric automobile to the main controller, the main controller obtains a self-adaption correction strategy according to automobile coil position and parking space coil position information obtained by the position detection unit, and the correction execution unit executes instructions for correcting parking space coil positions sent by the main controller. The device and the system can be used for effectively reducing the influence of positional deviation on the wireless charge and discharge of the electric automobile, improve the transfer efficiency in the wireless charge and discharge of the electric automobile, and reducing the loss of electric energy.
Description
Technical field
The present invention relates to wireless parking stall self-reacting device and the application process thereof of discharging and recharging of electric automobile, belong to the technical field of radio power supply.
Background technology
Along with the exhaustion of traditional energies such as oil, coal and increasing the weight of of environmental problem, energy-saving and emission-reduction, reduce dependence to fossil fuel, the development new energy technology has become the problem that China's sustainable economic development press for solution.As the important means of transport solution, the energy and environmental problem, electric automobile is the direction of following automobile industry development with the electric energy drive motors, also is one of strategic industry of giving priority to of China.The operational mode that electric automobile is wireless to discharge and recharge with the stability that strengthens electrical network, raising efficiency of resource, strengthens the interactive of electric automobile and electrical network simultaneously, has improved convenience, promotes and promote the development process of electric automobile.
The wireless charge and discharge system of electric automobile mainly comprises induction type resonant manifold type dual mode at present.Any mode is carried out the wireless charge-discharge system of electric automobile and mainly is made up of energy radiating portion and energy receptor portions, and main at present two cored screw shapes or the square coil of adopting realized, is called transmitting coil and receiving coil respectively.According to the flow direction of electric energy, promptly charging still is the difference of discharge mode, and the title of two air core coils can be changed mutually.One of them air core coil is installed on the electric automobile, and another air core coil is placed in wireless discharging and recharging under the parking stall.Electric automobile be parked in wireless discharge and recharge on the parking stall after, can carry out the wireless behavior that discharges and recharges.But each parking can not guarantee the axisymmetric position relation of above-mentioned two air core coils, and locational deviation is inevitably, certainly will influence the efficient of electric energy wireless transmission like this, causes the loss for no reason of electric energy.
Summary of the invention
Technical problem to be solved by this invention is to the deficiency of above-mentioned background technology, provides electric automobile wireless parking stall self-reacting device and the application process thereof of discharging and recharging.
The present invention adopts following technical scheme for realizing the foregoing invention purpose:
Electric automobile is wireless to discharge and recharge the parking stall self-reacting device, comprises master controller, power subsystem, position detection unit, correction performance element, communication unit; Wherein: position detection unit, correction performance element, communication unit are connected with master controller respectively, and power subsystem is connected with master controller, correction performance element; Wherein:
Said position detection unit is used to detect the position of automobile coil;
Said master controller is used for forming the adaptively correcting strategy according to the positional information of the positional information of automobile coil and parking stall coil;
Said correction performance element is used to carry out the instruction of the correction parking stall coil position that master controller sends;
Said communication unit is used for sending the signal that begins the behavior of discharging and recharging to electric automobile.
Said electric automobile is wireless to discharge and recharge in the self-reacting device of parking stall, and power subsystem comprises: AC-DC converter, little time switch; Wherein, the input termination alternating current of said AC-DC converter, the Enable Pin of output termination master controller; The normally opened contact of said little space-time switch is connected with the communication interface of master controller, and normally-closed contact is connected with the correction performance element.
Said electric automobile is wireless to discharge and recharge in the self-reacting device of parking stall, and position detection unit is an intelligence sensor, is used for that detected parking space information is converted into the signal of telecommunication and transfers to master controller.
Electric automobile is wireless to discharge and recharge the application process of parking stall self-reacting device, draws together following steps:
Step 1 obtains automobile coil positional information through position detecting device;
Step 2; Automobile coil positional information according to known parking stall coil position information and step 1 acquisition; Calculate the distance of automobile coil and parking stall coil; Carry out the adaptively correcting of parking stall coil: execution in step 3 when the distance that calculates is in the coil mobile range of parking stall gets into step 4 when the distance that calculates exceeds parking stall coil mobile range;
Step 3; Line along parking stall coil, the automobile coil center of circle in the coil mobile range of parking stall belongs to the projection locomotive bit line circle on the plane at the parking stall coil; When the coil center of circle, parking stall overlaps with the automobile coil center of circle, finish the adaptively correcting of parking stall coil;
Step 4 is calculated the angle of parking stall coil rotation, then according to the anglec of rotation rotary carriage bit line circle that calculates, makes the line in parking stall coil coil, automobile coil center of circle around the parking stall rotate until two coil axess symmetry.
The present invention adopts technique scheme, has following beneficial effect: effectively reduce the influence of position deviation when electric automobile is wireless to discharge and recharge, improve the efficiency of transmission when electric automobile is wireless to discharge and recharge, reduce the loss of electric energy.
Description of drawings
Fig. 1 is the wireless sketch map that discharges and recharges the parking stall self-reacting device of electric motor car.
Fig. 2 is the wireless structure chart that discharges and recharges the parking stall self-reacting device of electric motor car.
Fig. 3 to Fig. 8 utilizes the wireless sketch map that discharges and recharges self-reacting device correction parking stall, parking stall coil of electric motor car.
Embodiment
Be elaborated below in conjunction with the technical scheme of accompanying drawing to invention:
Electric automobile as shown in Figure 1 is wireless to discharge and recharge the parking stall self-reacting device: comprise master controller, power subsystem, position detection unit, correction performance element, communication unit.Position detection unit, correction performance element, communication unit are connected with master controller respectively, and power subsystem is connected with master controller, correction performance element.
Communication unit sends to master controller with the instruction that discharges and recharges that electric motor car sends; Master controller sends the instruction that detects the electric motor car position to position detection unit; Position detection unit is sent to master controller with detected electric automobile positional information; Master controller is done data processing to the positional information of electric automobile and is formed the adaptively correcting strategy, the instruction of the correction parking stall coil position that correction performance element execution master controller sends.Communication unit can be selected ZigBee or GMS or GPRS wireless communication module according to practical situations, realizes the information interaction of parking stall and electric automobile.
Fig. 2 is the wireless structure chart that discharges and recharges the parking stall self-reacting device of electric automobile.Power subsystem comprises AC-DC transducer, little time switch, and little time switch is the normally opened contact time switch.The input termination alternating current of AC-DC converter, the Enable Pin of output termination master controller; The normally opened contact of little space-time switch is connected with the communication interface of master controller, and normally-closed contact is connected with the correction performance element.Position detection unit is the high-precision intelligent transducer, and the correction performance element is a high accuracy servo system.
AC-DC transducer in the power subsystem converts alternating current into direct current; Be used for working power being provided to master controller; Communication unit sends to master controller with the instruction that discharges and recharges that electric motor car sends; Master controller sends the instruction that detects the electric motor car position to the high-precision intelligent transducer; The high-precision intelligent transducer converts detected electric automobile positional information into the signal of telecommunication and is sent to master controller through optical fiber, and master controller forms the adaptively correcting strategy and sends the instruction of proofreading and correct the parking stall coil to high accuracy servo system, the normally opened contact time switch the time closed; Alternating-current voltage source is that high accuracy servo system provides operating voltage, and high accuracy servo system is proofreaied and correct the position of parking stall coil.
Electric automobile is wireless to discharge and recharge the application process of parking stall self-reacting device, comprises the steps:
Step 1 obtains automobile coil positional information through position detecting device;
Step 2; Automobile coil positional information according to known parking stall coil position information and step 1 acquisition; Calculate the distance of automobile coil and parking stall coil; Carry out the adaptively correcting of parking stall coil: execution in step 3 when the distance that calculates is in the coil mobile range of parking stall gets into step 4 when the distance that calculates exceeds parking stall coil mobile range;
Step 3; Line along parking stall coil, the automobile coil center of circle in the coil mobile range of parking stall belongs to the projection locomotive bit line circle on the plane at the parking stall coil; When the coil center of circle, parking stall overlaps with the automobile coil center of circle, finish the adaptively correcting of parking stall coil;
Step 4 is calculated the angle of parking stall coil rotation, then according to the anglec of rotation rotary carriage bit line circle that calculates, makes the line in parking stall coil coil, automobile coil center of circle around the parking stall rotate until two coil axess symmetry.
The vertical view of two air core coils when Fig. 3 to Fig. 8 discharges and recharges for automobile wireless.Big coil is represented the parking stall air core coil, and small coil is represented the air core coil on the electric automobile, describes for ease, abbreviates parking stall coil and automobile coil below respectively as; Square expression parking stall coil all around can translation scope; Two center of circle O
1And O
2Between the projection of line in vertical view be the lateral distance between two coils.Master controller is handled the two coil relative position informations that position detection unit obtains; If in rectangular extent, can realize that adaptively correcting just realizes through translation mode through translation; Like Fig. 3 and as shown in Figure 4; This moment, master controller sent the translation order to proofreading and correct performance element, controlled the parking stall coil along O by servo system
1O
2Projection the parking stall coil moved to the two coil centers of circle overlap, be i.e. O
2The place accomplishes calibration function; If two coil position deviations are big, as shown in Figure 5, can not realize adaptively correcting through translation, then to carry out adaptively correcting through the mode that translation adds rotation, at first control the parking stall coil along O by the servo system of proofreading and correct performance element 5
1O
2Projection move to the maximum magnitude place, this moment, the center of circle of parking stall coil did
,, same like Fig. 6 and shown in Figure 7
Also at O
1O
2Projection on, optimal rotation correction strategy can pass through communication unit and electric automobile communication, make parking stall coil and automobile coil simultaneously with
For axle rotation θ angle to two coil with
Axial symmetry is accomplished adaptively correcting, rotary course such as Fig. 7 and shown in Figure 8.The electric automobile coil not necessarily can rotate in actual the correction; Only rotate the efficiency of transmission that still can improve system through the parking stall coil this moment; Its anglec of rotation can be carried out data operation through master controller and obtained; And possibly receive the restriction of actual angle rotatable scope, therefore the angle of concrete rotation is a target with the efficiency of transmission that reality obtains maximum.
In sum, electric motor car of the present invention is wireless to discharge and recharge the influence of parking stall self-reacting device position deviation when reducing effectively that electric automobile is wireless to discharge and recharge, and improves the efficiency of transmission when electric automobile is wireless to discharge and recharge, and reduces the loss of electric energy.
Claims (4)
1. the wireless parking stall self-reacting device that discharges and recharges of electric automobile is characterized in that: comprise master controller, power subsystem, position detection unit, correction performance element, communication unit; Wherein: position detection unit, correction performance element, communication unit are connected with master controller respectively, and power subsystem is connected with master controller, correction performance element; Wherein:
Said position detection unit is used to detect the position of automobile coil;
Said master controller is used for forming the adaptively correcting strategy according to the positional information of the positional information of automobile coil and parking stall coil;
Said correction performance element is used to carry out the instruction of the correction parking stall coil position that master controller sends;
Said communication unit is used for sending the signal that begins the behavior of discharging and recharging to electric automobile.
2. electric automobile according to claim 1 is wireless to discharge and recharge the parking stall self-reacting device, it is characterized in that said power subsystem comprises: AC-DC converter, little time switch; Wherein, the input termination alternating current of said AC-DC converter, the Enable Pin of output termination master controller; The normally opened contact of said little space-time switch is connected with the communication interface of master controller, and normally-closed contact is connected with the correction performance element.
3. electric automobile according to claim 1 is wireless to discharge and recharge the parking stall self-reacting device, it is characterized in that said position detection unit is an intelligence sensor, is used for that detected parking space information is converted into the signal of telecommunication and transfers to master controller.
4. the wireless application process that discharges and recharges the parking stall self-reacting device of electric automobile is characterized in that comprising the steps:
Step 1 obtains automobile coil positional information through position detecting device;
Step 2; Automobile coil positional information according to known parking stall coil position information and step 1 acquisition; Calculate the distance of automobile coil and parking stall coil; Carry out the adaptively correcting of parking stall coil: execution in step 3 when the distance that calculates is in the coil mobile range of parking stall gets into step 4 when the distance that calculates exceeds parking stall coil mobile range;
Step 3; Line along parking stall coil, the automobile coil center of circle in the coil mobile range of parking stall belongs to the projection locomotive bit line circle on the plane at the parking stall coil; When the coil center of circle, parking stall overlaps with the automobile coil center of circle, finish the adaptively correcting of parking stall coil;
Step 4 is calculated the angle of parking stall coil rotation, then according to the anglec of rotation rotary carriage bit line circle that calculates, makes the line in parking stall coil coil, automobile coil center of circle around the parking stall rotate until two coil axess symmetry.
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Cited By (7)
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CN104518570A (en) * | 2013-09-27 | 2015-04-15 | 中兴通讯股份有限公司 | Control method and apparatus of electric car wireless electric energy transmission system |
CN106165244A (en) * | 2014-05-30 | 2016-11-23 | 株式会社Ihi | Contactless power supply system, current-collecting device and power transmission device |
CN106415988A (en) * | 2014-05-30 | 2017-02-15 | 株式会社Ihi | Power transmission device and non-contact power supply system |
CN106568376A (en) * | 2016-04-20 | 2017-04-19 | 中兴新能源汽车有限责任公司 | Charging coil position detecting device, coil deviation detecting method and apparatus, capital construction terminal and on-vehicle terminal |
CN109050306A (en) * | 2018-08-13 | 2018-12-21 | 浙江大学 | A kind of automobile wireless charging system of intelligent independent positioning and charging |
CN110884369A (en) * | 2019-12-12 | 2020-03-17 | 牟晓琳 | Wireless charging system and method thereof |
CN111762038A (en) * | 2020-06-30 | 2020-10-13 | 中国第一汽车股份有限公司 | Adjusting system and terminal equipment |
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CN102035239A (en) * | 2011-01-11 | 2011-04-27 | 王干 | Movable electric automobile wireless charging device |
WO2011146661A2 (en) * | 2010-05-19 | 2011-11-24 | Qualcomm Incorporated | Adaptive wireless energy transfer system |
CN202564989U (en) * | 2012-04-28 | 2012-11-28 | 东南大学 | Stall self-adaption apparatus for wireless charging/discharging of power-driven automobile |
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WO2011146661A2 (en) * | 2010-05-19 | 2011-11-24 | Qualcomm Incorporated | Adaptive wireless energy transfer system |
CN102035239A (en) * | 2011-01-11 | 2011-04-27 | 王干 | Movable electric automobile wireless charging device |
CN202564989U (en) * | 2012-04-28 | 2012-11-28 | 东南大学 | Stall self-adaption apparatus for wireless charging/discharging of power-driven automobile |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104518570A (en) * | 2013-09-27 | 2015-04-15 | 中兴通讯股份有限公司 | Control method and apparatus of electric car wireless electric energy transmission system |
CN106165244A (en) * | 2014-05-30 | 2016-11-23 | 株式会社Ihi | Contactless power supply system, current-collecting device and power transmission device |
CN106415988A (en) * | 2014-05-30 | 2017-02-15 | 株式会社Ihi | Power transmission device and non-contact power supply system |
US10277082B2 (en) | 2014-05-30 | 2019-04-30 | Ihi Corporation | Power-transmitting device and wireless power-supplying system |
US10305334B2 (en) | 2014-05-30 | 2019-05-28 | Ihi Corporation | Wireless power-supplying system, power-receiving device, and power-transmitting device |
CN106568376A (en) * | 2016-04-20 | 2017-04-19 | 中兴新能源汽车有限责任公司 | Charging coil position detecting device, coil deviation detecting method and apparatus, capital construction terminal and on-vehicle terminal |
CN109050306A (en) * | 2018-08-13 | 2018-12-21 | 浙江大学 | A kind of automobile wireless charging system of intelligent independent positioning and charging |
CN110884369A (en) * | 2019-12-12 | 2020-03-17 | 牟晓琳 | Wireless charging system and method thereof |
CN111762038A (en) * | 2020-06-30 | 2020-10-13 | 中国第一汽车股份有限公司 | Adjusting system and terminal equipment |
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Application publication date: 20120815 |