CN206685947U - 3-D wireless charging structure for interior - Google Patents
3-D wireless charging structure for interior Download PDFInfo
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- CN206685947U CN206685947U CN201720444702.8U CN201720444702U CN206685947U CN 206685947 U CN206685947 U CN 206685947U CN 201720444702 U CN201720444702 U CN 201720444702U CN 206685947 U CN206685947 U CN 206685947U
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Abstract
The utility model provides a kind of 3-D wireless charging structure for being used for interior, the room of interior is considered as a hollow cuboid, the room include it is mutually orthogonal around and upper and lower three groups of planes, at least one plane is provided with radio energy emitting structural in every group of plane, the radio energy emitting structural includes multiple transmitting coils, the transmitting coil is arranged as multilayer from inside to outside, every layer of transmitting coil arranges by elementary cell of regular hexagon, makes the radio energy emitting structural generally honeycomb structure.The transmission of 3-D wireless electric energy all has the transmission of electric energy in three dimensions, if thus it internally placed a receiving coil, so no matter it rotates to any angle, remain able to couple with space magnetic field, using the distribution mode of honeycomb, the stability in magnetic field is ensure that, improves space availability ratio.
Description
Technical field
Wireless charging technical field is the utility model is related to, is used for indoor 3-D wireless charging knot more particularly to a kind of
Structure.
Background technology
At present, wireless power transmission technology is had been applied in daily life, such as smart machine and electricity
The charging of electrical automobile.Illustrated with existing wireless charging smart mobile phone at present, traditional wireless power transmission technology is i.e. in mobile phone
Mobile phone, is then placed on a pedestal equipped with electric energy transmitting coil by one receiving coil of inside installing.This wireless charging
Charging wire electrically is eliminated compared to traditional charging modes, and energy is transmitted by the electric field of alternation.This technology, transmission
Direction is fixed, i.e., electric energy transmission can only be carried out in a dimension.One-dimensional wireless power transmission technology Distribution of Magnetic Field is simple, easily
Calculated in analysis, and be easier to realize, but this technology is suitable for transmitting and the relatively-stationary occasion of receiving position.Such as
The mobile phone to charge once leaves recharging base, and charging effect will have a greatly reduced quality, and can not even realize.This all exposes one
Tie up the limitation of wireless charging, i.e., when receiving coil and transmitting coil have larger relative skew, electric energy efficiency of transmission
To drastically it decline.This namely current wireless charging technology does not have the reason for wide application gets up in the electronic device, because it
There is still a need for could be realized by a recharging base, and pedestal is still and needed by connection power supply, than tradition
Wired charging method does not have significant superiority.
The problem of in order to overcome the transmission of one-dimensional wireless electric energy to exist, there has been proposed the concept of 3-D wireless electric energy transmission.
3-D wireless electric energy transmission system installs a set of electric energy emission system respectively in three dimensions, by controlling each emission system
In electric current, to change the distribution of external electromagnetic field, make electromagnetism field energy that whole three dimensions be completely covered, i.e. electric energy can be from three
Individual dimension is transmitted.Thus receiving coil, can be with sky no matter optional position and any angle in space deflect
Between magnetic field preferably couple, realize wireless power transmission.
If the theory that 3-D wireless electric energy is transmitted is applied to interior, i.e., a set of nothing is installed indoors by design improvement
Line electric energy transmission system, then indoor any electrical equipment can obtain electric energy by way of wireless power transmission, thus
It is omitted from many socket switch and power circuit.Key is the installation site for how selecting transmitting coil, to ensure room
Between receiving coil in internal electrical equipment preferably can be coupled with transmitting coil.
Utility model content
Technical problem to be solved in the utility model is：In order to overcome deficiency of the prior art, the utility model carries
It is used for indoor 3-D wireless charging structure for a kind of, the installation position of reasonable selection emission system, ensures any in whole space
There is electric energy transmission position.
The utility model solves its technical problem technical scheme to be taken：A kind of 3-D wireless for being used for interior fills
Electric structure, the room of interior is considered as a hollow cuboid, the room include it is mutually orthogonal around and upper and lower three
Plane is organized, at least one plane is provided with radio energy emitting structural, the radio energy emitting structural bag in every group of plane
Include multiple transmitting coils, the transmitting coil is arranged as multilayer from inside to outside, and every layer of transmitting coil is using regular hexagon as base
This unit arranges, and makes the radio energy emitting structural generally honeycomb structure.
Specifically, the radio energy emitting structural in the front and rear and two groups of planes in left and right is flush system structure, institute
State flush system structure and ensure that each transmitting coil is parallel with place plane.
Specifically, the radio energy emitting structural in plane located above is flush system structure or arc top formula knot
Structure.
Specifically, the central point that the arc top formula structure chooses at the top of room is the geometric center of regular hexagon, in being located at
Regular hexagon at the heart is first layer, and plane and plane-parallel where the first layer, and from center to external radiation, often
The regular hexagon that layer is surrounded by multiple transmitting coils is formed, and first layer is 0 ° with horizontal plane angle, every since the second layer
Layer is gradually incremented by with horizontal plane angle, and outermost layer is less than or equal to 90 ° with horizontal plane angle.
Preferably, every layer is incremented by with the angle of horizontal plane with equal angular.
Preferably, every layer of incremental angle is 5 °.
Further, each transmitting coil connects a resonance circuit, and the resonance circuit includes capacitor and inductance
Coil.
Further, two terminals of the transmitting coil on the same face are drawn, and using parallel connection, concentration is connected to
On one high frequency inverter.
Specifically, the transmitting coil includes copper pipe and the coil being wound on copper pipe.
Specifically, a diameter of 4mm of copper pipe, the number of turn of the copper pipe coil is 5 circles, and the thickness of the coil is small
In 30mm, a diameter of 300mm of coil.
Circuit：Including electric power loop, high-frequency inversion, multi-emitting resonant tank, reception resonant tank, control and detection circuit
With several parts such as load circuit.Wherein, electric power loop includes the functions such as 220V dc sources, input EMI filtering, AC/DC conversion.
High-frequency inversion part includes the parts such as high-frequency inversion major loop, driving circuit and control loop.Multi-resonant launching circuit is by multiple
Transmitting coil and resonance capacitance group into.Receive resonant tank by receiving coil and resonance capacitance group into, load circuit by rectification, steady
Press and load several part compositions.
Working mechanism：220V alternating currents are converted into direct current by AC/DC, are then converted to by high frequency DC/AC inversions
High-frequency alternating current after inversion is sent to receives resonance time again by high-frequency alternating current, multi-emitting resonant tank by resonance coupling
Road, then complete whole wireless power transmission by links such as rectifying and voltage-stabilizings so as to give satisfactory energy transmission to load
Task.
The beneficial effects of the utility model are：A kind of 3-D wireless charging knot for being used for interior provided by the utility model
Structure, when selecting the installation site of emission system, 3-D wireless electric energy transmission first all has the biography of electric energy in three dimensions
It is defeated, thus if internally placed a receiving coil, then no matter it rotates to any angle, remains able to and space magnetic
Field coupling, using the distribution mode of honeycomb, ensure that the stability in magnetic field, improves space availability ratio.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the utility model honeycomb；
Fig. 2 is the structural representation of the utility model flush system structure；
Fig. 3 is the structural representation of the utility model arc top formula structure.
In figure：1st, transmitting coil, 2, roof, 3, wall.
Embodiment
The utility model is described in detail presently in connection with accompanying drawing.This figure is simplified schematic diagram, only in a schematic way
Illustrate basic structure of the present utility model, therefore it only shows the composition relevant with the utility model.
As shown in figure 1, a kind of 3-D wireless charging structure for being used for interior of the present utility model, in selection emission system
During installation site, 3-D wireless electric energy transmission first all has the transmission of electric energy in three dimensions, if choosing indoor one
Point establishes rectangular coordinate system in space as origin, that is to say, that has the transmission of electric energy on X, tri- directions of Y, Z.If thus
This point placed a receiving coil, then no matter it rotates to any angle, remains able to couple with space magnetic field.
Due to the generally rectangular plane of ceiling of the wall 3 and roof 2 of interior, and transmitting coil 1 is circle.In order to most
Big degree using circular coil mounting plane effective area, use for reference honeycomb using hexagon as elementary cell permutation and combination shape
Into structure, its placement for cylinder is the most stable, and also higher for the utilization rate in space.Thus by coil
Laying planar design for take multilayer hexagonal structure arrange, each transmitting coil 1 is put into each hexagon, the same face
On transmitting coil 1 powered by a set of individually adjustable inverter, the Distribution of Magnetic Field inside region is entered using computer
Row real-time simulation.
Specific structure design is as follows：
As Figure 2-3, room is regarded as a hollow cuboid (three mutually orthogonal faces are only shown in figure), due to
Around it, lower planes it is mutually orthogonal, then as long as installing transmitting coil 1 respectively in this three groups of planes, just can protect
Card forms a three-dimensional magnetic field, i.e., has the transmission of electric energy in three dimensions.Then no matter the reception in indoor electrical equipment
Which kind of angle coil is in, and can all produce with magnetic field and preferably couple.
(1) the arrangement design of transmitting coil 1 on wall 3
According to above-mentioned honeycomb structure, take flush system structure to install when being installed in surroundings wall 3, that is, ensure each
Transmitting coil 1 is parallel with the place plane of wall 3.
(2) the arrangement design of transmitting coil 1 on roof 2
In actual applications due to the difference of demand, the electrical equipment Relatively centralized distribution in some rooms, such as some
Office space.And electrical equipment distribution is more scattered in some rooms, such as parlor and bedroom etc..According to both different feelings
Condition, roof 2 can take two kinds of corresponding designs.
Flush system structure
Identical with the paving mode of wall 3, i.e., each transmitting coil 1 is parallel with the place plane of roof 2, and this design can make
There is completely orthogonal magnetic field in three dimensions, can cover in room almost most regions, dead band is smaller, disclosure satisfy that
Electrical equipment is distributed the place of relative distribution.
Arc top formula structure
The geometric center that the central point at the top of room is regular hexagon is chosen, centrally located regular hexagon is first
Layer, and plane and plane-parallel where the first layer, and from center to external radiation, every layer by multiple transmitting coils
1 regular hexagon surrounded is formed.First layer and horizontal plane angle are into 0 °, and the second layer and horizontal plane angle are into 5 °, third layer and water
Plane included angle is into 10 °, the 4th layer and horizontal plane angle into 15 °, by that analogy.Then thus three-dimensional magnetic field caused by structure, although
The magnetic field of in the vertical direction has weakened relative to flush system design, but is located at a range of magnetic of room immediate vicinity
Field but greatly reinforces, and this is that comparison is applicable for the place of some electrical equipment Relatively centralizeds distribution.
(3) coiling of transmitting coil 1 and its connection
Material：Diameter 4mm copper pipe, copper pipe can increase the surface area of conductor, reduce the skin that becomes under high-frequency ac electricity condition
The adverse effect that effect is brought.
The number of turn：5 circles, turn-to-turn close-packed arrays do insulation processing to reduce thickness in copper pipe outer, and whole coil thickness is protected
Hold within 30mm.
Shape：5 circle diameter 300mm regular annulus, turn-to-turn close-packed arrays, into cylindrical shape.
Circuit：Each subsidiary resonance circuit of transmitting coil 1, is mainly made up of capacitor and inductance coil, for producing
Raw resonance, transmits electric energy, the selection of capacitor calculated according to the inductance parameters of actual coil and the angular frequency of high frequency electric source and
It is determined that.
Power supply：Power supply in more than 800kHz high frequency electric source, improves supply frequency to a certain extent using frequency,
Transmission loss can be reduced.
Connected mode：Two terminals of the coil in each plane are drawn, take parallel connection, concentration is connected to electricity
On source, i.e., powered simultaneously to multiple transmitting coils 1 from a high frequency inverter.
Circuit：Including electric power loop, high-frequency inversion, multi-emitting resonant tank, reception resonant tank, control and detection circuit
With several parts such as load circuit.Wherein, electric power loop includes the functions such as 220V dc sources, input EMI filtering, AC/DC conversion.
High-frequency inversion part includes the parts such as high-frequency inversion major loop, driving circuit and control loop.Multi-resonant launching circuit is by multiple
Transmitting coil and resonance capacitance group into.Receive resonant tank by receiving coil and resonance capacitance group into, load circuit by rectification, steady
Press and load several part compositions.
Working mechanism：220V alternating currents are converted into direct current by AC/DC, are then converted to by high frequency DC/AC inversions
High-frequency alternating current after inversion is sent to receives resonance time again by high-frequency alternating current, multi-emitting resonant tank by resonance coupling
Road, then complete whole wireless power transmission by links such as rectifying and voltage-stabilizings so as to give satisfactory energy transmission to load
Task.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work
Personnel can carry out various changes and amendments in without departing from the scope of the utility model completely.This item utility model
Technical scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (10)
1. a kind of be used for indoor 3-D wireless charging structure, it is characterised in that：By interior room be considered as one it is hollow rectangular
Body, the room include it is mutually orthogonal around and upper and lower three groups of planes, set in every group of plane at least one plane
Have a radio energy emitting structural, the radio energy emitting structural includes multiple transmitting coils (1), the transmitting coil (1) by
Arrangement from inside to outside is multilayer, and every layer of transmitting coil (1) arranges by elementary cell of regular hexagon, sends out the radio energy
Penetrate structure generally honeycomb structure.
2. as claimed in claim 1 be used for indoor 3-D wireless charging structure, it is characterised in that：Positioned at front and rear and left and right two
The radio energy emitting structural in group plane is flush system structure, and the flush system structure ensures each transmitting coil
(1) it is parallel with place plane.
3. as claimed in claim 1 or 2 be used for indoor 3-D wireless charging structure, it is characterised in that：Located above is flat
The radio energy emitting structural on face is flush system structure or arc top formula structure.
4. as claimed in claim 3 be used for indoor 3-D wireless charging structure, it is characterised in that：The arc top formula structure choosing
Taking the geometric center that central point at the top of room is regular hexagon, centrally located regular hexagon is first layer, and described the
Plane and plane-parallel where one layer, and from center to external radiation, every layer is surrounded just by multiple transmitting coils (1)
Hexagon is formed, and first layer is 0 ° with horizontal plane angle, and every layer is gradually incremented by with horizontal plane angle since the second layer, and
Outermost layer is less than or equal to 90 ° with horizontal plane angle.
5. as claimed in claim 4 be used for indoor 3-D wireless charging structure, it is characterised in that：Every layer and the folder of horizontal plane
Angle is incremented by with equal angular.
6. as claimed in claim 5 be used for indoor 3-D wireless charging structure, it is characterised in that：Every layer of incremental angle be
5°。
7. as claimed in claim 1 be used for indoor 3-D wireless charging structure, it is characterised in that：Each transmitting coil
(1) resonance circuit is connected, the resonance circuit includes capacitor and inductance coil.
8. as claimed in claim 1 be used for indoor 3-D wireless charging structure, it is characterised in that：The hair on the same face
Two terminals of ray circle (1) are drawn, and using parallel connection, concentration is connected on a high frequency inverter.
9. as claimed in claim 1 be used for indoor 3-D wireless charging structure, it is characterised in that：The transmitting coil (1)
Including copper pipe and the coil being wound on copper pipe.
10. as claimed in claim 9 be used for indoor 3-D wireless charging structure, it is characterised in that：The copper pipe is a diameter of
4mm, the number of turn of the copper pipe coil is 5 circles, and the thickness of the coil is less than 30mm, a diameter of 300mm of coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444702.8U CN206685947U (en) | 2017-04-25 | 2017-04-25 | 3-D wireless charging structure for interior |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444702.8U CN206685947U (en) | 2017-04-25 | 2017-04-25 | 3-D wireless charging structure for interior |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685947U true CN206685947U (en) | 2017-11-28 |
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ID=60400812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720444702.8U Active CN206685947U (en) | 2017-04-25 | 2017-04-25 | 3-D wireless charging structure for interior |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685947U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026494A (en) * | 2017-04-25 | 2017-08-08 | 常州大学 | For indoor 3-D wireless charging structure |
| CN112312962A (en) * | 2018-06-28 | 2021-02-02 | 美敦力公司 | Multi-axis coil for implantable medical device |
| CN113541337A (en) * | 2021-06-21 | 2021-10-22 | 西安交通大学 | Three-dimensional omnidirectional wireless energy transmission system |
-
2017
- 2017-04-25 CN CN201720444702.8U patent/CN206685947U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026494A (en) * | 2017-04-25 | 2017-08-08 | 常州大学 | For indoor 3-D wireless charging structure |
| CN107026494B (en) * | 2017-04-25 | 2024-04-02 | 常州大学 | Three-dimensional wireless charging structure for indoor use |
| CN112312962A (en) * | 2018-06-28 | 2021-02-02 | 美敦力公司 | Multi-axis coil for implantable medical device |
| CN113541337A (en) * | 2021-06-21 | 2021-10-22 | 西安交通大学 | Three-dimensional omnidirectional wireless energy transmission system |
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