CN105355402B - Adjustable inductor device and adjusting method thereof - Google Patents
Adjustable inductor device and adjusting method thereof Download PDFInfo
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- CN105355402B CN105355402B CN201510819987.4A CN201510819987A CN105355402B CN 105355402 B CN105355402 B CN 105355402B CN 201510819987 A CN201510819987 A CN 201510819987A CN 105355402 B CN105355402 B CN 105355402B
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- driven
- driver plate
- translation bar
- motor
- hole
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- 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
- H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
- H01F29/12—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereof; having movable shield
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses an adjustable inductor device and an adjusting method thereof. The device comprises n driver plates, m horizontally-moving driving rods, n driving steering mechanisms, n motors and a controller. Coils are wound around the driver plates. Each driver plate is provided with m holes, wherein m/n holes are threaded holes, and the rest of the holes are polished holes. The surface of one end of each horizontally-moving driving rod is engraved with a thread with a certain length. Each hole in each driver plate corresponds to the corresponding horizontally-moving driving rod. The threaded end of each horizontally-moving driving rod sequentially penetrates through corresponding holes in the n driver plates and is only matched with the corresponding driver plates through the threaded holes. The controller controls the motors to rotate and drives the corresponding horizontally-moving driving rods to move horizontally through the driving steering mechanisms, the horizontally-moving driving rods then drive the corresponding driver plates to move leftwards and rightwards through the threads, and therefore gaps between the coils are changed, inductance and distribution capacitance values of the coils are changeable, resonance frequency is fixed, and the device and the method are suitable for high-frequency and high-power occasions.
Description
Technical field
The invention belongs to magnetic resonance coupling wireless power transmission field, a kind of more particularly to controllable impedance device.
Background technology
Magnetic resonance is ground by department of physics of the Massachusetts Institute of Technology, electronic engineering, computer science department and military nm technology
Study carefully research worker propose.System using the resonant object of two same frequencys produce it is very strong intercouple, energy exists
Interaction between two articles, using coil and the plate condenser at placement two ends, collectively constitutes resonance circuit, realizes the wireless biography of energy
It is defeated.In June, 2007, the biography of the 60W electric power of 2 meters of distance is realized by solenoid from the research worker of the Massachusetts Institute of Technology
Defeated, they employ brand-new form of thinking, employ two copper coils that can realize resonating, and by resonance energy is carried out
Transmission.
Resonance coil is the energy transmitting-receiving sensing element of magnetic resonance coupling radio energy transmission system, and resonance coil is substantially
It is an inductance containing distribution capacity, the constant frequency control of the coil receives and dispatches particularly critical to energy efficient.Take a broad view of existing based on knot
The inductance coil regulation technology of structure, mainly there is three kinds of methods：
The first is based primarily upon the regulation of magnetic core position, changes inductance, the use of magnetic core, and it is relatively low that the method is suitable for frequency
Occasion, is not suitable for HF magnetic resonance electric energy transmission system.
Movement is realized using magnetostriction second, it is relatively accurate that this frame for movement adjusts inductance, but between can only realizing etc.
Away from regulation, it is impossible to ensure that the resonant frequency of inductance is constant, and magnetostrictive device can disturb inductance magnetic field while also easily receiving big work(
Rate magnetic interference.
The third adjusts inductance by piezoelectricity stretching structure, is equally only suitable for equidistantly fine setting, and regulating power is limited, and presses
Electric system also easily receives high-power magnetic interference.
As can be seen here, the existing inductive technologies adjusted based on structure are relatively adapted to be used in small-power weak magnetic occasion, and
There is open defect used in the transmission of high-frequency high-power magnetic resonance coupling electric energy.
The content of the invention
In order to solve the technical problem that above-mentioned background technology is proposed, the present invention is intended to provide a kind of controllable impedance device and its
Control method, can the uneven change profile in regulating winding gap, realize that coil inductance is adjustable with distribution capacity, at the same ensure
Resonant frequency is constant, it is adaptable to high-frequency high-power occasion.
In order to realize above-mentioned technical purpose, the technical scheme is that：
A kind of controllable impedance device, including n driver plate, m driven in translation bar, n drive side steering, n motor with
And controller, coil is wrapped on each driver plate, wherein m for n integral multiple；M hole is provided with each driver plate, wherein there is m/n
Hole is screwed hole, and remaining is unthreaded hole, and the screw thread of certain length, remaining surface light are carved with the surface of every driven in translation bar one end
It is sliding；1 driven in translation bar is corresponded to respectively per 1 hole on each driver plate, the end of thread of every driven in translation bar sequentially passes through n
Corresponding hole on driver plate, is parallel to each other between all driven in translation bars；The diameter of m/n screwed hole on each driver plate with
Diameter through their driven in translation bar is identical, 1 spiral shell in the n hole that the diameter of every driven in translation bar is only passed through with it
The diameter of pit is identical, and the diameter in remaining n-1 hole is all higher than the driven in translation bar, and each driven in translation bar can pass through thread belt
The driver plate of the dynamic screwed hole for being provided with same diameter；Described n drive side steering respectively with a pair of n driver plate and n motor 1
Should, each drives side steering to contact with corresponding motor, and is arranged on and can drive the corresponding driver plate of driving side steering
Driven in translation bar smooth surface on, the control end of the n motor is connected respectively with controller；Controller controlled motor turns
It is dynamic, and drive corresponding driven in translation bar translation, driven in translation bar to make corresponding dialling by screw thread again by driving side steering
Face left and move right, so as to change the gap between coil, realize the regulation of inductance.
Wherein, m is 2 times of n, i.e., have the diameter in 2 holes straight with the driven in translation bar through this 2 holes on each driver plate
Footpath is identical.
Wherein, the driving side steering includes 1 worm and gear, 1 gear wheel and 2 little gears, the worm gear snail
One end of bar is enclosed within correspondence motor, and the other end is fitted with gear wheel, and 2 little gears are separately positioned on and can drive the drive
On the smooth surface of 2 driven in translation bars of the corresponding driver plate of dynamic side steering, and 2 little gears are fitted with gear wheel, when
When motor is rotated, worm and gear drives bull gear drive, gear wheel to drive 2 pinion rotations, 2 little gears to drive 2 respectively
Root driven in translation bar is translated, so as to drive corresponding driver plate to move left and right.
Wherein, the device also includes several supports, and these supports are arranged on the two ends of driven in translation bar and driven in translation
The flank of bar and the intersection of shiny surface.
Wherein, the device in addition to motor and coil, by non-metallic material made by remaining part.
Wherein, the controller adopts single-chip microcomputer.
Present invention additionally comprises the control method based on above-mentioned controllable impedance device, step is as follows：
（1）Controller to each motor sends drive signal, and all driver plates are moved to into a precalculated position, realizes positioning school
It is accurate；
（2）Resonant frequency as needed, all driver plates are grouped, and n driver plate is sequentially divided into into x groups, individual per n/x
Driver plate is one group, by the driver plate after packet successively sequencing for the 1st group to xth group；
（3）The gap between every group of driver plate is set, controller is rotated according to the gap drive motor of setting, dialled so as to drive
Disk is moved, and makes the gap that setting is reached between every group of driver plate, so that the inductance and distribution capacity of coil are variable, and resonant frequency
It is fixed.
The beneficial effect brought using above-mentioned technical proposal：
The present invention makes each driver plate gap density uneven distribution by control and regulation driver plate so that inductance and distribution capacity
Variable quantity reversely non-linear increase and decrease, electric capacity increase, begins in this change procedure when electric capacity reduction or inductance reduce when inductance increases
The inductance of whole hold-in winding and the product of distribution capacity keep constant.So that the inductance and distributed capacitance of coil are variable, it is humorous
Vibration frequency is fixed, and the present invention is applied to high-frequency high-power occasion.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the schematic diagram of driven in translation bar in the present invention.
Label declaration：1st, bracing frame；2nd, driver plate；3rd, side steering is driven；4th, driven in translation bar；5th, motor；6th, coil；7、
Worm and gear；8th, little gear；9th, gear wheel.
Specific embodiment
Below with reference to accompanying drawing, technical scheme is described in detail.
The structural representation of the present invention as shown in Figure 1, a kind of controllable impedance device, including n driver plate 2, m driven in translation
Bar 4, n driving side steering 3, n motor 5 and controller, coil 6 is wrapped on each driver plate, and wherein m is the integral multiple of n；
M hole is provided with each driver plate, wherein there is m/n hole to be screwed hole, remaining is unthreaded hole, the surface of every driven in translation bar one end
The screw thread of certain length is carved with, remaining surface is smooth；1 driven in translation bar is corresponded to respectively per 1 hole on each driver plate, per root
The end of thread of driven in translation bar sequentially passes through corresponding hole on n driver plate, is parallel to each other between all driven in translation bars；Often
The diameter of m/n screwed hole on individual driver plate is identical with the diameter through their driven in translation bar, every driven in translation bar
Diameter is only identical with the diameter of 1 screwed hole in the n hole that it is passed through, and the diameter in remaining n-1 hole is all higher than the translation and drives
Lever, each driven in translation bar can drive the driver plate of the screwed hole for being provided with same diameter by screw thread；The n driving break-in machine
Structure is corresponded respectively with n driver plate and n motor, and each drives side steering to contact with corresponding motor, and is arranged on energy
Enough drive on the smooth surface of driven in translation bar of the corresponding driver plate of driving side steering, the control end point of the n motor
It is not connected with controller；Controller controlled motor is rotated, and drives corresponding driven in translation bar translation by driving side steering,
Driven in translation bar moves left and right corresponding driver plate by screw thread again, so as to change the gap between coil, realizes the regulation of inductance.
In the present embodiment, m is 2 times of n, i.e., have the diameter in 2 holes and the translation drive through this 2 holes on each driver plate
The diameter of lever is identical, when this 2 driven in translation bars are translated, drives the driver plate left by the frictional force between hole and screw thread
Move right.
In the present embodiment, the driving side steering 3 includes 1 worm and gear, 7,1 gear wheel 9 and 2 little gears
8, one end of the worm and gear is enclosed within correspondence motor, and the other end is fitted with gear wheel, and 2 little gears are separately positioned on
Can drive on the smooth surface of 2 driven in translation bars of the corresponding driver plate of driving side steering, and 2 little gears with greatly
Gear is fitted, and when motor is rotated, worm and gear drives bull gear drive, gear wheel to drive 2 pinion rotations, 2 little teeth
Wheel drives respectively 2 driven in translation bar translations, so as to drive corresponding driver plate to move left and right.
In the present embodiment, the device also include several supports 1, these supports be arranged on the two ends of driven in translation bar and
The flank of driven in translation bar and the intersection of shiny surface, these supports are used to support driven in translation bar, and can limit driver plate
Move within the specific limits.
In the present embodiment, the device in addition to motor and coil, by non-metallic material made, so as to drop by remaining part
Impact of the low material to inductance.
In the present embodiment, controller adopts single-chip microcomputer.
Present invention additionally comprises the control method based on above-mentioned controllable impedance device, step is as follows：
（1）Controller to each motor sends drive signal, and all driver plates are moved to into a precalculated position, realizes positioning school
It is accurate；
（2）Resonant frequency as needed, all driver plates are grouped, and n driver plate is sequentially divided into into x groups, individual per n/x
Driver plate is one group, by the driver plate after packet successively sequencing for the 1st group to xth group；
（3）The gap between every group of driver plate is set, controller is rotated according to the gap drive motor of setting, dialled so as to drive
Disk is moved, and makes the gap that setting is reached between every group of driver plate, so that the inductance and distribution capacity of coil are variable, and resonant frequency
It is fixed.
The present invention makes the spacing between coil and coil by the uneven change in the gap between control driver plate and driver plate
Uneven distribution, causes the variable quantity reversely non-linear increase and decrease of inductance and distribution capacity, and electric capacity reduces or inductance when inductance increases
Electric capacity increase, meets following relational expression in this change procedure during reduction：(L ± ΔL) ×(C ∓ ΔC) = LC ∓ LΔ
C ± ΔLC − ΔLΔC = LC （Wherein, L represents inductance, and C represents electric capacity, and Δ L represents inductance increment, and Δ C is electric capacity increasing
Amount）, i.e., by the uneven change in regulation gap so that L Δs C ± Δ LC Δ L Δs C=0, the inductance of hold-in winding
Keep constant with the product of distribution capacity, so that the inductance and distributed capacitance of coil are variable, resonant frequency is fixed.
Above example technological thought only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.
Claims (5)
1. a kind of controllable impedance device, it is characterised in that：Including n driver plate, m driven in translation bar, n driving side steering, n
Individual motor and controller, coil is wrapped on each driver plate, and wherein m is the integral multiple of n；M hole is provided with each driver plate, wherein
There is m/n hole to be screwed hole, remaining is unthreaded hole, the screw thread of certain length is carved with the surface of every driven in translation bar one end, remaining
Surface is smooth；1 driven in translation bar is corresponded to respectively per 1 hole on each driver plate, the end of thread of every driven in translation bar is successively
The corresponding hole through on n driver plate, is parallel to each other between all driven in translation bars；M/n screwed hole on each driver plate
Diameter it is identical with the diameter through their driven in translation bar, the n hole that the diameter of every driven in translation bar is only passed through with it
In 1 screwed hole diameter it is identical, the diameter in remaining n-1 hole is all higher than the driven in translation bar, and each driven in translation bar can
The driver plate of the screwed hole for being provided with same diameter is driven by screw thread；Described n drives side steering individual with n driver plate and n respectively
Motor is corresponded, and each drives side steering to contact with corresponding motor, and is arranged on and can drive the driving side steering
On the smooth surface of the driven in translation bar of corresponding driver plate, the control end of the n motor is connected respectively with controller；Controller
Controlled motor is rotated, and drives corresponding driven in translation bar translation, driven in translation bar to pass through screw thread again by driving side steering
Corresponding driver plate is moved left and right, so as to change the gap between coil, the regulation of inductance is realized；The device also includes several
Frame, these supports are arranged on the flank and the intersection of shiny surface of the two ends of driven in translation bar and driven in translation bar；It is described
Controller adopts single-chip microcomputer.
2. a kind of controllable impedance device according to claim 1, it is characterised in that：M is 2 times of n, i.e., have 2 on each driver plate
The diameter in individual hole is identical with the diameter of the driven in translation bar through this 2 holes.
3. a kind of controllable impedance device according to claim 2, it is characterised in that：The driving side steering includes 1 snail
Worm and gear, 1 gear wheel and 2 little gears, one end of the worm and gear is enclosed within correspondence motor, and the other end is intended with gear wheel
Close, 2 little gears are separately positioned on the light of the 2 driven in translation bars that can drive the corresponding driver plate of driving side steering
On sliding surface, and 2 little gears are fitted with gear wheel, and when motor is rotated, worm and gear drives bull gear drive, gear wheel
2 pinion rotations are driven, 2 little gears drive respectively 2 driven in translation bar translations, so as to drive corresponding driver plate or so to move
It is dynamic.
4. a kind of controllable impedance device according to claim 1, it is characterised in that：The device in addition to motor and coil, its
Remaining part part is made by non-metallic material.
5. the control method of controllable impedance device described in claim 1-4 any one is based on, it is characterised in that including following step
Suddenly：
(1) controller sends drive signal to each motor, and all driver plates are moved to into a precalculated position, realizes positioning calibration；
(2) resonant frequency as needed, all driver plates are grouped, and n driver plate is sequentially divided into into x groups, per n/x driver plate
For one group, by the driver plate after packet successively sequencing for the 1st group to xth group；
(3) gap between every group of driver plate is set, controller is rotated according to the gap drive motor of setting, so as to drive driver plate to move
It is dynamic, the gap that setting is reached between every group of driver plate is made, so that the inductance and distribution capacity of coil are variable, and resonant frequency is solid
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819987.4A CN105355402B (en) | 2015-11-24 | 2015-11-24 | Adjustable inductor device and adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819987.4A CN105355402B (en) | 2015-11-24 | 2015-11-24 | Adjustable inductor device and adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105355402A CN105355402A (en) | 2016-02-24 |
| CN105355402B true CN105355402B (en) | 2017-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510819987.4A Active CN105355402B (en) | 2015-11-24 | 2015-11-24 | Adjustable inductor device and adjusting method thereof |
Country Status (1)
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| CN (1) | CN105355402B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1207955A (en) * | 1966-11-16 | 1970-10-07 | Honeywell Ltd | Improvements in or relating to electrical recording and/or indicating apparatus |
| JP5077340B2 (en) * | 2009-12-25 | 2012-11-21 | トヨタ自動車株式会社 | Non-contact power receiving apparatus and manufacturing method thereof |
| CN203799842U (en) * | 2014-04-25 | 2014-08-27 | 杭州先驱海洋科技开发有限公司 | Intelligent regulation-type variable inductance |
| CN205104352U (en) * | 2015-11-24 | 2016-03-23 | 南京信息工程大学 | Adjustment inductance device |
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2015
- 2015-11-24 CN CN201510819987.4A patent/CN105355402B/en active Active
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| CN105355402A (en) | 2016-02-24 |
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Effective date of registration: 20191129 Address after: 221300, Fumin Road, Pizhou hi tech Industrial Development Zone, Xuzhou, Jiangsu, 22 Patentee after: Pizhou hi tech Zone New Energy Technology Research Institute Co., Ltd. Address before: 210000 No. 69 Olympic Sports street, Jianye District, Jiangsu, Nanjing Patentee before: Nanjing University of Information Science and Technology |
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Effective date of registration: 20210308 Address after: 221300 No.56, paoche street, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Pizhou Jingpeng Venture Capital Co., Ltd Address before: 221300 22 Fu Min Road, hi tech Industrial Development Zone, Pizhou, Xuzhou, Jiangsu Patentee before: PIZHOU HIGH-TECH ZONE NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |