CN107068360A - Large-area Magnetic Field equilibrium array coil and regulating step and its wireless charging device - Google Patents
Large-area Magnetic Field equilibrium array coil and regulating step and its wireless charging device Download PDFInfo
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- CN107068360A CN107068360A CN201710009086.8A CN201710009086A CN107068360A CN 107068360 A CN107068360 A CN 107068360A CN 201710009086 A CN201710009086 A CN 201710009086A CN 107068360 A CN107068360 A CN 107068360A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/006—Details of transformers or inductances, in general with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a kind of balanced array coil of Large-area Magnetic Field and regulating step and its wireless charging device, the balanced array coil of the Large-area Magnetic Field includes coil base, several numbers of turn of wherein being connected on coil base and diameter is adjustable, the hand of spiral and matrix coil winding-direction identical solenoid coil, each solenoid coil is distributed by helical array formula from outside to inside；The wireless electric vehicle charging device includes transmitter, receiver, supply unit and control system, and the control system is used for control transmitter and the working condition of supply unit；Supply unit connects transmitter, and receiver is located at electric automobile bottom.The present invention realizes the approximate equalization of magnetic field intensity in wide area, so as to provide primary side magnetic field in a balanced way for multi-load non-contact charger systems, realizes that each loads efficient energy pickup, while wireless charging device ensures multiple charging equipments uniform charging simultaneously.
Description
Technical field
The present invention relates to electromagnetic field field, and in particular to Large-area Magnetic Field equilibrium array coil and regulating step and its nothing
Line charging device.
Background technology
Transmitting non-contact electric energy technology due to fundamentally prevented the abrasion of device that conventional contact powering mode is brought,
The problems such as loose contact, contact sparking, complete electrical isolation between power supply and electrical equipment is realized, be a kind of clean, peace
Entirely, flexible new powering mode, has obtained the extensive concern of society.With transmitting non-contact electric energy technology fast development and
Extensive utilization, the wireless charging mode of the equipment such as electric automobile, small household appliances based on transmitting non-contact electric energy technology will become to cut
It is real feasible.Wherein magnetic energy for emission and reception structure is to realize the core link of wireless charging technology.Operation principle is：Pass through electromagnetism
Inductively technology, the pick-up structure inside each electrical equipment obtains magnetic energy from magnetic energy for emission mechanism, by energy
Electric energy is provided for each electrical equipment after quantitative change changing device, so as to complete the wireless power of electrical equipment.
Magnetic energy for emission coil shown in Fig. 1 is the structure that current wireless charging device is mostly used, and one of its presence is solid
Some defects are：The magnetic field that magnetic energy for emission coil is produced is unbalanced, and coil middle position magnetic field intensity is big, and coil peripherals magnetic field is strong
Degree is small, and this is resulted in when having multiple charging equipments simultaneously when working, and electrical equipment in solenoid coil center 6 is picked up
Voltage is higher, and interrogation energy is larger, and the electrical equipment pick-up voltage in marginal position is relatively low, and interrogation energy is smaller, it is impossible to
Normally and efficiently pick up while ensureing each electrical equipment；And for single device charging system, if mechanism for picking
The middle position of magnetic energy for emission coil is not located in, a large amount of losses of energy will be caused, charging equipment operating efficiency is relatively low, no
Beneficial to the pickup of energy.
In order to realize that magnetic energy for emission mechanism magnetic field is balanced, number of patent application devises for CN101785905B patent of invention
A kind of device in achievable equivalent magnetic field space, controls to realize magnetic by the coordination to magnetic pole angle, position and current strength
The harmony in field spatial dimension power magnetic field, so that reliable energy is provided for pickup load, but the invention is only realized one
Magnetic field is equalized in the range of centering position, it is impossible to equivalent magnetic field is produced in wide area.Patent of invention is
CN99234254 patent of invention devises a kind of strong magnetic field generator with high-homogeneous degree, in a rectangular box, coaxially parallel to put
4 groups of coils being serially connected are put, the matching of the spacing and the number of turn between adjacent windings is taken into full account, produced on coil axis equal
The magnetic field of even stabilization, but the invention equally only realizes and is equalized magnetic field in the range of a centering position, it is impossible to large area
Interior generation equivalent magnetic field.Number of patent application has invented a kind of can produce for CN90109340 patent of invention by magnetic field analysis
The saddle-type coil in even magnetic field, by the accurate calculating to parameters such as coil radius, position and angles, generates high evenness
Magnetic field, but this kind of equipment design is extremely complex, and cost is high, it is adaptable to measured as standard Magnetic Field.
The content of the invention
For overcome designed present in prior art complicated, cost it is high, it is portable low the problem of, the invention provides big
Area magnetic field equilibrium array coil and wireless electric vehicle charging device.
The invention provides a kind of balanced array coil of Large-area Magnetic Field, its innovative point is：The Large-area Magnetic Field
Balanced array coil includes several solenoid coils of being connected on coil base, the coil base；Solenoid coil press by
It is outer to be distributed to interior by helical array formula.
Further, the hand of spiral of the solenoid coil is identical with the hand of spiral of coil base.
Further, the number of turn and diameter of the solenoid coil are adjustable.
Further, the solenoid coil is divided into external threads pipeline circle and inner spirals pipeline circle, external threads pipe
Coil encircling inner spirals pipeline circle；Described external threads pipeline circle one end connects coil base current entry, other end connection
Inner spirals pipeline circle；Described inner spirals pipeline circle one end connects coil base electricity outlet, the other end and external threads pipe
Coil is connected；The external threads pipe coil turn is more than inner spirals pipe coil turn.
Present invention also offers a kind of magnetic field intensity well-balanced adjustment step for array coil, its innovative point is：
The magnetic field intensity well-balanced adjustment step, is comprised the following steps that：Step S1, magnetic field is measured using magnetic field intensity measuring instrument strong in real time
Degree；Step S2, according to S1 magnetic field intensity, selection adjusting method carries out the corresponding inside and outside solenoid coil number of turn or straight
Footpath is adjusted；Step S3, magnetic field intensity measuring instrument measurement magnetic field intensity reaches equilibrium, stops regulation.
Further, the adjusting method in the step S2 includes,
Method 1, adjusts external threads pipeline circle；The regulation external threads pipeline circle is divided into two kinds of adjusting methods：It is a kind of
Adjusting method, external threads pipeline loop diameter is constant, reduces the number of turn；Another adjusting method, the external threads pipe number of turn is constant, increases
Major diameter；Wherein the number of turn of inner spirals pipe and diameter keep constant.
Method 2, adjusts inner spirals pipeline circle；The regulation inner spirals pipeline circle is equally divided into two kinds of adjusting methods：
A kind of adjusting method, inner spirals pipeline loop diameter is constant, the less number of turn；Another adjusting method, the inner spirals pipe number of turn is not
Become, diameter increase；Wherein the number of turn of external threads pipe and diameter keep constant.
Method 3, by method 1 and the married operation of method 2；The order and number of times that method 1 is operated with method 2 are according to practical operation
During, voluntarily adjust.
Present invention also offers the wireless electric vehicle charging device that a kind of use array coil makes, the electronic vapour
Vehicle radio charging device includes transmitter, receiver, supply unit and control system, and the control system is used for control transmitter
With the working condition of supply unit；Supply unit connects transmitter, and receiver is located at electric automobile bottom, and its innovative point is：
Transmitter includes the array coil and apparatus for placing of above-mentioned use, and the apparatus for placing is T fonts, is divided into vertical column and level
Casing, vertical column is used to fix to be used to place array coil, the level of the apparatus for placing on whole transmitter, horizontal box
Helical baffle is provided with casing, horizontal box inner space is separated out helical duct, the spiral of the helical baffle by helical baffle
Direction is consistent with the hand of spiral of array coil neutralization cycle basis body.
Further, elevating mechanism is additionally provided with the horizontal box, elevating mechanism includes supporting plate and lowering or hoisting gear, branch
Array solenoid is placed on fagging, lowering or hoisting gear is located at supporting plate bottom；Helicla flute, spiral are provided with the supporting plate plane
The hand of spiral of groove is consistent with helical baffle, and the width of helicla flute and the thickness of helical baffle are identical, and helical baffle is located at spiral shell
In spin slot.
Further, the lowering or hoisting gear includes lifters and connector, and lifters include pallet and cylinder, and pallet is located at
Cylinder head, pallet is located at supporting plate bottom, and lifters are arranged using star-like mode.
Further, control system includes location position device, controller, wireless device and power detector；It is described
The working condition of controller test position positioner, wireless device and power detector；Location position device is located at radiation
Optional position on device；Wireless device is divided into wireless generator and wireless receiver, and wireless generator is inside transmitter, wirelessly
Receiver is inside electric automobile, and wireless device is mutually passed the information in both electric automobile and wireless charging device
It is defeated；Power detector is located at the power unit of electric automobile, the electric quantity of power supply situation for detecting electric automobile.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) pickup leads in the top of hub of a spool position 6 can be ensure that by adjusting array coil in the present invention
Circle and the pick-up winding above coil base edge have identical energy pick-up capability.
(2) magnetic of the coil of each in array generation can be changed to the number of turn and diameter adjustment of each coil in the present invention
, interference and superposition theorem by magnetic field adjust each coil peripherals and central magnetic field, therefore, it is possible to realize array line
The position of each in circle magnetic field is uniformly distributed, so as to realize the approximate equalization in magnetic field in wide area.
(3) wireless charging device in the present invention can be simultaneously to multiple charging electric vehicles, it is ensured that each electric automobile is picked up
Take energy uniform, and electric automobile arbitrarily can park i.e. chargeable in chargeable range, it is not necessary to set specific charge point.
(4) it can cause maintenance personal in maintenance process coil disengaging apparatus for placing by lowering or hoisting gear in the present invention
It is convenient that coil is changed.
(5) control system can in real time be monitored to array coil in the present invention, it is ensured that charging safety, be improved electronic
The automaticity of automobile wireless charging device, and due to now setting the presence of module and voltage self-checking unit, greatly reduce
The maintenance load of maintenance personal.
Brief description of the drawings
Fig. 1 is prior art induction charging system coil structural representation；
Fig. 2 is schematic structural view of the invention；
Fig. 3 is apparatus for placing top view；
Fig. 4 is helical baffle schematic diagram；
Fig. 5 is supporting plate schematic diagram；
Fig. 6 is lowering or hoisting gear schematic diagram；
Fig. 7 is control system schematic diagram.
Marked with reference to accompanying drawing thereon：
1- coil base current entries, 2- coil base electricity outlets, 3- external threads pipeline circles, 4- inner spirals pipelines
Circle, 5- coil bases, 6- hub of a spools position, 7- pick-up windings a, 8- pick-up winding b, 9- horizontal box, 10- helical baffles,
11- voltage self-checking units, 12- helicla flutes, 13- lowering or hoisting gears, 14- lifters, 15- connectors, 161- is wireless generator, 162-
Wireless receiver, 163- location position devices, 164- power detectors, 165- transmitters, 166- receivers, 167- controls
Device, the artificial setup modules of 168-, 169- display modules, 170- alarms, 171- detection modules, 172- position sensors a, 173-
Position sensor b.
Embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific embodiment only to explain the present invention, is not intended to limit the present invention.
A kind of balanced array coil of Large-area Magnetic Field is disclosed in the present embodiment mode, as shown in Fig. 2 the large area
Magnetic field equilibrium array coil includes connected on coil base 5, the coil base 5 several solenoid coils, the helical
Pipeline circle is pressed to be distributed by helical array formula from outside to inside, wherein, the spiral of each solenoid coil on helical array direction
Direction is identical with the hand of spiral of coil base 5；The number of turn and diameter of the solenoid coil are adjustable, can be according to actual use
In adjust accordingly.The solenoid coil is divided into external threads pipeline circle 3 and inner spirals pipeline circle 4, external threads pipe
Coil 3 is around inner spirals pipeline circle 4；Described one end of external threads pipeline circle 3 connects the current entry 1 of coil base 5, the other end
Connect inner spirals pipeline circle 4；Described one end of inner spirals pipeline circle 4 connects the electricity outlet 2 of coil base 5, the other end with it is outer
Portion's solenoid coil 3 is connected；The number of turn of external threads pipeline circle 3 is more than the number of turn of inner spirals pipeline circle 4.When high frequency electric from
The current entry 1 of coil base 5 enters array coil, and is circulated along array coil, now, in external threads pipeline circle 3
The heart itself generation magnetic field intensity is stronger, and the center itself of inner spirals pipeline circle 4 generation magnetic field intensity is weaker, inside and outside magnetic field
Magnetic field is interfered, and internal relatively low magnetic field intensity, the pickup in the top of coil center 6 are made up by the diffusion of external magnetic field
Enclose using magnetic field intensity measuring instrument measurement magnetic field intensity in the pickup circle b above a and coil collective edge, by adjusting in real time
The inside and outside number of turn of solenoid coil 3 and diameter, so as to realize the approximate equalization of magnetic field intensity in large area, it is ensured that be in
The pick-up winding a7 and the pick-up winding b8 above the edge of coil base 5 of the top of hub of a spool position 6 have identical
Energy pick-up capability；Therefore magnetic field intensity well-balanced adjustment step is obtained；
The magnetic field intensity well-balanced adjustment comprises the following steps：Step S1, magnetic is measured using magnetic field intensity measuring instrument in real time
Field intensity；Step S2, according to S1 magnetic field intensity, selection adjusting method carries out the corresponding inside and outside circle of solenoid coil 3
Number or diameter adjustment；Step S3, magnetic field intensity measuring instrument measurement magnetic field intensity reaches equilibrium, stops regulation.In step S1 measurements
It is that magnetic field intensity measuring instrument measures hub of a spool pickup circle a magnetic field intensity higher than coil base that magnetic field intensity result can be obtained afterwards
The pickup circle b of 5 edges magnetic field intensity.
Wherein, the corresponding inside and outside number of turn of solenoid coil 3 or diameter are adjusted in the step S2 provided with three kinds of tune
Section method, expands explanation in the present embodiment；Three kinds of adjusting methods include：
Method 1, regulation external threads pipeline circle 3.3 points of the regulation external threads pipeline circle is two kinds of adjusting methods：One
Adjusting method is planted, external threads pipeline 3 diameters of circle are constant, reduce the number of turn；Another adjusting method, the external threads pipe number of turn is not
Become, increase diameter；Wherein the number of turn of inner spirals pipe and diameter keep constant.
Method 2, regulation inner spirals pipeline circle 4, the regulation inner spirals pipeline circle 4 is equally divided into two kinds of regulation sides
Method：A kind of adjusting method, inner spirals pipeline 4 diameters of circle are constant, the less number of turn；Another adjusting method, inner spirals pipe circle
Number is constant, diameter increase；Wherein the number of turn of external threads pipe and diameter keep constant.
Method 3, the order that method 1 and the married operation of method 2, method 1 are operated with method 2 and number of times are according to practical operation
During, voluntarily adjust.
The pick-up winding a7 of the top of hub of a spool position 6 is may insure by three kinds of adjusting methods and in coil base 5
Pick-up winding b8 above edge has identical energy pick-up capability；Wireless charging is carried out using array coil, due to
Magnetic field intensity everywhere is uniform, therefore need not set specific charge point to charging equipment, need to only be placed in chargeable range i.e.
It can be charged, simultaneously, it is ensured that multiple charging equipments are charged simultaneously, do not result in energy waste.
The present embodiment also provides a kind of use Large-area Magnetic Field electric automobile wireless charging that balanced array coil makes
Device, the wireless electric vehicle charging device includes transmitter 165, receiver 166, supply unit and control system, described
Control system is used for control transmitter 165 and the working condition of supply unit；Supply unit connects transmitter 165, receiver 166
Located at electric automobile bottom, energy is transmitted to receiver 166, for charging electric vehicle by transmitter 165.Wherein, send out
Emitter 165 includes the array coil and apparatus for placing of above-mentioned use, and the apparatus for placing is T fonts, is divided into vertical column and water
Flat casing 9, vertical column is used to fix to be used to place array coil on whole transmitter 165, horizontal box 9, is using process
Middle vertical column and horizontal box 9 are located on the ground.As in Figure 3-5, provided with spiral gear in the horizontal box 9 of the apparatus for placing
The inner space of horizontal box 9 is separated out helical duct, the hand of spiral and array of the helical baffle 10 by plate 10, helical baffle 10
The hand of spiral of formula coil neutralization cycle basis body 5 is consistent, and the helical baffle 10 and horizontal box 9 use antistatic material system
Into for example with perfluoroethylene-propylene or antistatic polyvinyl chloride panel.Voltage self-checking unit is additionally provided with the horizontal box 9
11, voltage self-checking unit 11 is located at array coil in horizontal box 9 during helical arrangement, and each corner is provided with a separated time
Road, voltage self-checking unit 11 is in separated time road, for detecting whether this section of array coil working state be normal.When charging dress
Put middle array coil to break down, solenoid in detection array coil can be segmented by voltage self-inspection, reduce detection work
Amount, the voltage self-checking unit 11 transmits a signal to control system, can detect that transmitter 165 works in real time by control system
It is whether normal.
When the signal transmitted by voltage self-checking unit 11 changes, show that event occurs in the solenoid in its array coil
Barrier, now, sends maintenance personal to be overhauled, for convenience of the operation of maintenance personal, in the horizontal box 9 of the apparatus for placing
Elevating mechanism is additionally provided with, elevating mechanism is separated array coil with horizontal box 9, facilitates maintenance personal to carry out more it
Change.The elevating mechanism includes placing array solenoid in supporting plate and lowering or hoisting gear 13, supporting plate, and lowering or hoisting gear 13 is located at
Supporting plate bottom, the lifting for driving array coil is acted by lowering or hoisting gear 13.Helicla flute is provided with the supporting plate plane
12, the hand of spiral of helicla flute 12 is consistent with helical baffle 10, and the width of helicla flute 12 is identical with the thickness of helical baffle 10,
Helical baffle 10 is in helicla flute 12.The cell wall of the helicla flute 12 is provided with felt or rubber, it is to avoid the groove of helicla flute 12
Abrasion is produced between wall and helical baffle 10 in lifting process.The difference of supporting construction can cause lifting in lifting process
Smoothness changes, and in the present embodiment in order to make it that smoothness of the supporting plate in lifting process is protected
Card, provided with lowering or hoisting gear 13, lowering or hoisting gear 13 includes lifters 14 and connector 15, and lifters 14 include pallet and cylinder, support
Disk is located at cylinder head, and pallet is located at supporting plate bottom, and lifters 14 are arranged using star-like mode, as shown in fig. 6, passing through cylinder
Motion drives supporting plate to move up and down；Because lifters 14 use star arrangement, therefore connector 15 is in star-like shape, in connector
15 each star-like end and the center position of connector 15 are equipped with lifters 14, and lifters 14 is total in embodiments
Number is 5, it is ensured that supporting plate is by uniform force in lifting process.By so designing coil by lowering or hoisting gear 13
Departing from apparatus for placing can cause maintenance personal is convenient in maintenance process to be changed to coil.
To improve the automaticity of wireless electric vehicle charging device, electric automobile is controlled entirely to fill by control system
Electric process and the conveniently maintenance to array coil.In the present embodiment, as shown in fig. 7, control system, which includes position, positions dress
Put 163, controller 167, wireless device and power detector 164；The test position positioner 163 of controller 167, nothing
The working condition of line apparatus and power detector 164, is monitored in real time by controller 167, and location position device 163 is set
In optional position on emitter, for detect electric automobile in parking from a distance between transmitter 165, when electric automobile from
The distance of transmitter 165 exceeds chargeable scope, then transmits a signal to controller 167, signal is passed through into nothing by controller 167
Line apparatus is transferred to driver, and electric automobile is parked in chargeable range by driver.Wherein, wireless device is divided into wireless generation
Device 161 and wireless receiver 162, wireless generator 161 is inside transmitter 165, and wireless receiver 162 is located at electric automobile
Inside, wireless device is mutually transmitted the information in both electric automobile and wireless charging device, it is ensured that electric automobile is complete
Into charging process.Power detector 164 in control system is located at the power unit of electric automobile, for detecting electric automobile
Electric quantity of power supply situation, the electricity in power detector 164 in setting electric automobile is less than 30%, automatic charging；When electronic
Electricity is less than 30% in automobile, and power detector 164 transmits signal to controller 167, and controller 167 starts transmitter
165 and receiver 166, the energy in wireless charging device is transferred to electric automobile, when electric automobile electricity reaches 100%,
Power detector 164 transmits a signal to controller 167, and controller 167 is closed electric automobile receiver 166, now disconnected
Energy transport, it is to avoid overcharged to the power supply of electric automobile, plays and overcharges protection.The also receiving voltage self-inspection dress of controller 167
11 signals are put, control system also includes monitoring modular, for detecting array coil working state in helical duct, the monitoring
Module includes artificial setup module 168, display module 169, alarm 170 and detection module 171, and artificial setup module 168 is used
In the voltage power supply scope for manually setting array coil in every section of helical duct, display module 169 is used to show voltage self-inspection
The magnitude of voltage detected in device 11, detection module 171 is used for whether magnitude of voltage in contrast potential self-checking unit 11 to be in manually
The voltage power supply scope that setup module 168 is set；Alarm 170 is used to notify maintenance personal；When more than voltage power supply scope, inspection
Survey module 171 and transmit a signal to controller 167, then controller 167 starts alarm 170, notified to repair people by alarm 170
Member.So array coil can in real time be monitored, it is ensured that charging safety, while the time for notifying maintenance is saved, and
And due to now setting the presence of module and voltage self-checking unit 11, greatly reduce the maintenance load of maintenance personal.
Array coil is repaired for convenience, position sensor a172 and position sensor are also included in control system
B173, the position sensor a172 are located at the top side wall of horizontal box 9, and position sensor b173 is inside horizontal box 9
Sidewall bottom, in array coil working, supporting plate height is highly consistent with position sensor b173.When needing to array
When coil is repaired, control lifters 14 to act by controller 167, supporting plate is risen, when supporting plate highly exceedes position
Height where sensor a172 is put, then the stopping of lifters 14 is acted；Controller 167 is controlled after changing or repairing array coil
Lifters 14 do descending motion, supporting plate in-position sensor b173 height, the stopping of lifters 14 action.
Wireless charging device is made by using array coil so that multiple electric automobiles enter simultaneously in chargeable range
Row charging, because the magnetic field intensity of array coil is uniform, therefore each electric automobile interrogation energy is uniform, and electric automobile can be
Arbitrarily park i.e. chargeable in chargeable range, it is not necessary to set specific charge point.
The preferred embodiments of the present invention have shown and described in described above, as previously described, it should be understood that not office of the invention
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in invention contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area
It is dynamic., then all should be appended by the present invention and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In scope of the claims.
Claims (10)
1. a kind of balanced array coil of Large-area Magnetic Field, it is characterised in that：The balanced array coil bag of the Large-area Magnetic Field
Include several solenoid coils of being connected on coil base (5), the coil base (5)；Solenoid coil by pressing spiral shell from outside to inside
Revolve array distribution.
2. array coil according to claim 1, it is characterised in that：The hand of spiral of the solenoid coil is and line
The hand of spiral of cycle basis body (5) is identical.
3. array coil according to claim 1, it is characterised in that：The number of turn and diameter of the solenoid coil can
Adjust.
4. array coil according to claim 1, it is characterised in that：The solenoid coil is divided into external threads pipeline
(3) and inner spirals pipeline circle (4) are enclosed, external threads pipeline circle (3) is around inner spirals pipeline circle (4)；The external threads
Pipeline circle (3) one end connects coil base (5) current entry (1), other end connection inner spirals pipeline circle (4)；The inside
Solenoid coil (4) one end connects coil base (5) electricity outlet (2), and the other end is connected with external threads pipeline circle (3)；Institute
External threads pipeline circle (3) number of turn is stated more than inner spirals pipeline circle (4) number of turn.
5. a kind of be used for the magnetic field intensity well-balanced adjustment step of array coil in claim 1, it is characterised in that：The magnetic field
Intensity equalization regulating step, is comprised the following steps that：Step S1, magnetic field intensity is measured using magnetic field intensity measuring instrument in real time；Step
S2, according to S1 magnetic field intensity, selection adjusting method carries out corresponding inside and outside solenoid coil (3) number of turn or diameter is adjusted
Section；Step S3, magnetic field intensity measuring instrument measurement magnetic field intensity reaches equilibrium, stops regulation.
6. magnetic field intensity well-balanced adjustment step according to claim 5, it is characterised in that：Regulation side in the step S2
Method includes,
Method 1, regulation external threads pipeline circle (3)；The regulation external threads pipeline circle (3) is divided into two kinds of adjusting methods：One
Adjusting method is planted, external threads pipeline circle (3) diameter is constant, reduce the number of turn；Another adjusting method, the external threads pipe number of turn is not
Become, increase diameter；Wherein the number of turn of inner spirals pipe and diameter keep constant.
Method 2, regulation inner spirals pipeline circle (4)；The regulation inner spirals pipeline circle (4) is equally divided into two kinds of regulation sides
Method：A kind of adjusting method, inner spirals pipeline circle (4) diameter is constant, the less number of turn；Another adjusting method, inner spirals pipe
The number of turn is constant, diameter increase；Wherein the number of turn of external threads pipe and diameter keep constant.
Method 3, by method 1 and the married operation of method 2；The order and number of times that method 1 is operated with method 2 are according to actual mechanical process
In, voluntarily adjust.
7. in a kind of use claim 1 array coil make wireless electric vehicle charging device, the electric automobile without
Line charging device includes transmitter (165), receiver (166), supply unit and control system, and the control system is used to control
The working condition of transmitter (165) and supply unit；Supply unit connection transmitter (165), receiver (166) is located at electronic vapour
Underbody portion, it is characterised in that：Transmitter (165) includes the array coil and apparatus for placing of above-mentioned use, the apparatus for placing
For T fonts, it is divided into vertical column and horizontal box (9), vertical column is used to fix whole transmitter (165), and horizontal box is used on (9)
Helical baffle (10) is provided with array coil, the horizontal box (9) of the apparatus for placing in placing, helical baffle (10) is by water
Flat casing (9) inner space is separated out helical duct, the hand of spiral and the array coil neutralization cycle basis of the helical baffle (10)
The hand of spiral of body (5) is consistent.
8. wireless electric vehicle charging device according to claim 7, it is characterised in that：In the horizontal box (9) also
Provided with elevating mechanism, elevating mechanism includes placing array solenoid in supporting plate and lowering or hoisting gear (13), supporting plate, lifting dress
(13) are put located at supporting plate bottom；Helicla flute (12), the hand of spiral and spiral shell of helicla flute (12) are provided with the supporting plate plane
Revolve baffle plate (10) unanimously, and the width of helicla flute (12) is identical with the thickness of helical baffle (10), helical baffle (10) is located at spiral shell
In spin slot (12).
9. wireless electric vehicle charging device according to claim 8, it is characterised in that：The lowering or hoisting gear (13) includes
Lifters (14) and connector (15), lifters (14) include pallet and cylinder, and pallet is located at cylinder head, and pallet is located at support
Plate bottom, lifters (14) are arranged using star-like mode.
10. wireless electric vehicle charging device according to claim 7, it is characterised in that：Control system is fixed including position
Position device (163), controller (167), wireless device and power detector (164)；Controller (167) test position is fixed
The working condition of position device (163), wireless device and power detector (164)；Location position device (163) is located at emitter
Upper optional position；Wireless device is divided into wireless generator (161) and wireless receiver (162), and wireless generator (161) is located at hair
Emitter (165) is internal, and wireless receiver (162) is inside electric automobile, and wireless device is by electric automobile and wireless charging Denso
The information put in both is mutually transmitted；Power detector (164) is located at the power unit of electric automobile, for detecting electricity
The electric quantity of power supply situation of electrical automobile.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009086.8A CN107068360A (en) | 2017-01-06 | 2017-01-06 | Large-area Magnetic Field equilibrium array coil and regulating step and its wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009086.8A CN107068360A (en) | 2017-01-06 | 2017-01-06 | Large-area Magnetic Field equilibrium array coil and regulating step and its wireless charging device |
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| CN107068360A true CN107068360A (en) | 2017-08-18 |
Family
ID=59623242
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| CN201710009086.8A Pending CN107068360A (en) | 2017-01-06 | 2017-01-06 | Large-area Magnetic Field equilibrium array coil and regulating step and its wireless charging device |
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Application publication date: 20170818 |