CN108257770B - It can produce the coil unit and coil device of uniform magnetic field - Google Patents
It can produce the coil unit and coil device of uniform magnetic field Download PDFInfo
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- CN108257770B CN108257770B CN201611234627.9A CN201611234627A CN108257770B CN 108257770 B CN108257770 B CN 108257770B CN 201611234627 A CN201611234627 A CN 201611234627A CN 108257770 B CN108257770 B CN 108257770B
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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
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of coil unit and coil device that can produce uniform magnetic field, the coil device includes multiple coil units, the coil unit is connected to each other for matrix arrangement and removable group, each coil unit includes a subcoil and multiple line segments, the subcoil includes an eccentric winding portion and two circuit connecting sections, and two circuit connecting section connects two opposing sections in the eccentric winding portion respectively；The line segment is arranged in parallel and is intervally installed, the line segment is to be oppositely arranged and overlap each other with the subcoil, the coil interconnecting piece of multiple line segments of the coil unit is connected to each other and constitutes the ancillary coil for being electrically connected the subcoil, the center of the subcoil corresponds to the center of the ancillary coil, so that electric current is by generating uniform magnetic field when the subcoil and the ancillary coil.The present invention, when control circuit provides electric current, can produce uniform magnetic field for connecting control circuit to promote wireless charging efficiency.
Description
Technical field
The present invention relates to coil unit and coil device, the coil unit that can produce uniform magnetic field and coil are particularly related to
Device.
Background technique
Existing wireless charging system mainly includes the DC/DC converter, a DC/AC converter and a line sequentially connected
Circle.The input terminal of the DC/DC converter can be used to receive a direct current, and it is defeated which by the direct current is converted to one
Alternating current out, and the output alternating current is generated into magnetic field externally by the coil for wireless charging.In this way, have wireless
The electronic device of charge function can receive the magnetic field of the coil, which can be converted to a charging for the magnetic field sensed
Power supply reaches the wireless charging movement of non-Wiring type to charge whereby.
Wherein, coil generate magnetic field it is whether uniformly closely bound up with charge efficiency, the existing prior art be about whether
The coil of uniform magnetic field, such as the loop construction that U.S. Patent Publication No. 2016/0164332 case of US discloses can be generated.Application
People considers via discretion assessment and in many ways, and to be engaged in the professional experiences that the industry is accumulated, designs of the invention can produce
The coil unit and coil device of uniform magnetic field.
Summary of the invention
The main object of the present invention is to provide a kind of coil unit and coil device that can produce uniform magnetic field, the coil list
Member can make the coil unit and the coil when control circuit provides electric current for the connection control circuit that is electrically connected with the coil device
Device generates uniform magnetic field, to promote wireless charging efficiency.
The coil unit that the present invention can produce uniform magnetic field includes:
One subcoil has two opposite sections comprising an eccentric winding portion and two circuit connecting sections, the bias winding portion,
Two circuit connecting section connects two section in the bias winding portion respectively, which is set to a top surface of a substrate；With
And
Multiple line segments, arranged in parallel and to be intervally installed, the grade line segments be set to a back side of the substrate and with
The subcoil overlaps each other, and the equal line segments relative tilt is in the subcoil, and respectively the line segment has two ends, which is respectively
Two coil interconnecting pieces.
For two circuit connecting section of the subcoil for being electrically connected a control circuit, the exportable electric current of the control circuit is given should
Subcoil, for the electric current by generating a uniform magnetic field when subcoil for wireless charging, at this point, the electric current not yet passes this
Equal line segments, the grade line segments have no effect on magnetic field caused by the subcoil.
The coil device that the present invention can produce uniform magnetic field includes multiple coil units, and it is matrix form row that this, which waits coil units,
It arranges and removable group is connected to each other, respectively the coil unit includes:
One subcoil has two opposite sections comprising an eccentric winding portion and two circuit connecting sections, the bias winding portion,
Two circuit connecting section connects two section in the bias winding portion respectively, which is set to a top surface of a substrate；With
And
Multiple line segments, arranged in parallel and to be intervally installed, the grade line segments be set to a back side of the substrate and with
The subcoil overlaps each other, and the equal line segments relative tilt is in the subcoil, wherein respectively the line segment has two ends, two end point
It Wei not two coil interconnecting pieces；
The coil interconnecting piece of multiple line segments of the grade coil units is connected to each other and constitutes an ancillary coil, and the auxiliary line
Circle is serially connected between the subcoil of the grade coil units, this waits the center of subcoils corresponding to the centre bit of the ancillary coil
It sets.
Under the operation scenario of multiple coil units, the subcoil of the equal coil units is concatenated with ancillary coil formation.
Whereby, when electric current is by the equal subcoils and the ancillary coil, which can respectively generate magnetic field, this waits subcoils
Center corresponds to the center of the ancillary coil, and the magnetic field energy position for generating the ancillary coil is in the grade subcoils
At centre, therefore on the whole, which can generate uniform magnetic field for wireless charging.
Detailed description of the invention
Fig. 1 is the floor map of the first embodiment of coil unit of the present invention.
Fig. 2 is the floor map of the second embodiment of coil unit of the present invention.
Fig. 3 is the floor map of the 3rd embodiment of coil unit of the present invention.
Fig. 4 is the floor map of the fourth embodiment of coil unit of the present invention.
Fig. 5 is the diagrammatic cross-section in substrate setting conduct piece of coil unit of the present invention.
Fig. 6 is the floor map of the embodiment of coil device of the present invention.
Fig. 7 is the connection schematic diagram of two coil units in coil device of the present invention.
Fig. 8 is the schematic diagram that coil unit of the invention connects a control circuit.
Fig. 9 is schematic diagram of the subcoil by control circuit drives of first coil unit of the present invention.
Figure 10 be first coil unit of the present invention subcoil and the second coil unit subcoil by control circuit drives
Schematic diagram.
Figure 11 is schematic diagram of the coil device of the present invention by control circuit drives.
Symbol description:
The eccentric winding of 10 subcoil 101 portion
102 circuit connecting section, 11 line segment
110 coil interconnecting piece, 13 conduct piece
100 substrate, 21 first coil unit
210 subcoil, 211 line segment
22 second coil unit, 220 subcoil
221 line segment, 23 tertiary coil unit
230 subcoil, 231 line segment
24 the 4th coil unit, 240 subcoil
241 line segment, 30 ancillary coil
300 auxiliary resonance capacitor, 31 first shell
310 slot, 311 conductive junction point
32 second housing, 320 plug
321 conductive junction point, 40 control circuit
41 DC/DC converter, 42 DC/AC converter
43 selection 44 resonant capacitances of switch
45 telecommunication circuit, 46 controller
Specific embodiment
The embodiment that the present invention can produce the coil unit of uniform magnetic field includes a subcoil and multiple line segments, please refers to figure
The first embodiment of coil unit shown in 1, the subcoil 10 may be disposed at a top surface of a substrate 100, which includes
One eccentric winding portion 101 and two circuit connecting sections 102, the bias winding portion 101 are in same plane and winding from inside to outside
Component, the bias winding portion 101 have two opposite sections, which is separately connected the bias winding portion 101
Two section.The grade line segments 11 may be disposed at a bottom surface of the substrate 100, which can for arranged in parallel and to each other
Every setting, which is to be oppositely arranged and overlap each other with the subcoil 10, and respectively the line segment 11 has two ends, two end
End is respectively two coil interconnecting pieces 110, this waits the coil interconnecting piece 110 of line segments 11 can be positioned at the top surface or bottom surface of the substrate 100
Edge.
The top surface and bottom surface of the substrate 100 illustrate by taking X-Y plane as an example, as shown in Figure 1, first in coil unit is implemented
In example, the bias winding portion 101 of the subcoil 10 is rectangle winding portion, two circuit connecting section 102 can position in the subcoil
The side of 10 +Y direction, the bias winding portion 101 are greater than the bias winding portion 101 in -X direction in the line-spacing d1 of +X direction
Line-spacing d2, the bias winding portion 101 are less than the bias winding portion 101 in the line-spacing d4 of -Y direction in the line-spacing d3 of +Y direction.It should
Equal line segments 11 can relative tilt in the subcoil 10, as shown in Figure 1, the inclined direction of the equal line segments 11 can be from+X ,+Y towards-X ,-Y
Direction inclination.
As shown in Fig. 2, the bias winding portion 101 of the subcoil 10 is rectangle in the second embodiment of coil unit
Winding portion, two circuit connecting section 102 can position in the side of the -Y direction of the subcoil 10, the bias winding portion 101 is in the side+X
To line-spacing d1 be greater than the bias winding portion 101 in the line-spacing d2 of -X direction, and the bias winding portion 101 is in the line-spacing of +Y direction
D3 is greater than the bias winding portion 101 in the line-spacing d4 of -Y direction.The inclined direction of the equal line segments 11 can be from-X ,+Y court+X, the side-Y
To inclination.
As shown in figure 3, the bias winding portion 101 of the subcoil 10 is rectangle in the 3rd embodiment of coil unit
Winding portion, two circuit connecting section 102 can position in the side of the +Y direction of the subcoil 10, the bias winding portion 101 is in the side+X
To line-spacing d1 be less than the bias winding portion 101 in the line-spacing d2 of -X direction, and the bias winding portion 101 is in the line-spacing of +Y direction
D3 is less than the bias winding portion 101 in the line-spacing d4 of -Y direction.The inclined direction of the equal line segments 11 can be from-X ,+Y court+X, the side-Y
To inclination.
As shown in figure 4, the bias winding portion 101 of the subcoil 10 is rectangle in the fourth embodiment of coil unit
Winding portion, two circuit connecting section 102 can position in the side of the -Y direction of the subcoil 10, the bias winding portion 101 is in the side+X
To line-spacing d1 be less than the bias winding portion 101 in the line-spacing d2 of -X direction, and the bias winding portion 101 is in the line-spacing of +Y direction
D3 is greater than the bias winding portion 101 in the line-spacing d4 of -Y direction.The inclined direction of the equal line segments 11 can be from+X ,+Y court-X, the side-Y
To inclination.
As shown in Figures 1 to 4, the part of the subcoil 10 can be distributed in the top surface and bottom surface of the substrate 100, and the equal lines
The part of section 11 also can be distributed in the top surface and bottom surface of the substrate 100, referring to FIG. 5, the substrate 100 can be equipped with conduct piece 13,
The conduct piece 13 is electrically connected the son of the top surface and bottom surface that are distributed in the substrate 100 through the top surface of the substrate 100 with bottom surface
Coil 10, or the line segment for being electrically connected the top surface and bottom surface that are distributed in the substrate.
Coil unit according to the present invention, two circuit connecting section 102 of the subcoil 10 is for one control electricity of electrical connection
Road can cause uniformly when the control circuit exports an electric current to the subcoil 10 by the winding structure in eccentric winding portion 101
Magnetic field, for wireless charging use.
Referring to FIG. 6, the coil device that the present invention can produce uniform magnetic field includes multiple coil units 21~24, this waits lines
Coil unit 21~24 is connected to each other for matrix arrangement and removable group, and respectively the coil unit 21~24 includes foregoing line
The structure of coil unit, that is, respectively the coil unit includes subcoil and line segment, wherein when this waits coil units 21~24 to connect
When, the coil interconnecting piece of the line segment of the grade coil units 21~24 is connected to each other and constitutes an ancillary coil 30, and the auxiliary line
Circle 30 concatenates the subcoil of the equal coil units 21~24.
As shown in fig. 6, the grade coil units 21~24 include one first in the embodiment of coil device of the invention
Coil unit 21, one second coil unit 22, a tertiary coil unit 23 and one the 4th coil unit 24.The first coil unit
21 structure corresponds to coil unit first embodiment shown in Fig. 1, and includes the subcoil 210 and line segment 211.Second line
The coil unit of coil unit 22 corresponds to coil unit second embodiment shown in Fig. 2, and includes the subcoil 220 and line segment
221.The coil unit of the tertiary coil unit 23 corresponds to coil unit 3rd embodiment shown in Fig. 3, and includes the sub-line
Circle 230 and line segment 231.The coil unit of 4th coil unit 24 corresponds to coil unit fourth embodiment shown in Fig. 4, and wraps
Containing the subcoil 240 and line segment 241.First to fourth embodiment of the coil unit of Fig. 1 to Fig. 4 does not repeat to repeat herein.
Fig. 6 and cooperation are please referred to referring to figs. 1 to Fig. 4, two coil interconnecting pieces of the line segment 211 of the first coil unit 21
110 be to be connected to one of line segment 221 of second coil unit 22 coil interconnecting piece 110 and the tertiary coil unit 23
One of line segment 231 coil interconnecting piece 110 between；Two coil interconnecting pieces of the line segment 241 of the 4th coil unit 24
110 be the line for being connected to another coil interconnecting piece 110 and the tertiary coil unit 23 of the line segment 221 of second coil unit 22
Between another coil interconnecting piece 110 of section 231.Therefore the line segment 211 of the first coil unit 21, second coil unit 22
Line segment 221, the line segment 231 of the tertiary coil unit 23 and the line segment 241 of the 4th coil unit 24 be connected to each other and constitute
The ancillary coil 30 makes the subcoil 210~240 of the coil units 21~24 such as the 30 diamond shape component of ancillary coil, and this
Center corresponds to the center of the ancillary coil 30.
Referring to FIG. 6, specifically, the subcoil 220 of second coil unit 22 concatenates the first coil unit 21
Subcoil 210, the subcoil 210 of the first coil unit 21 concatenate the ancillary coil 30, which concatenates the third
The subcoil 230 of coil unit 23, the subcoil 230 of the tertiary coil unit 23 concatenate the subcoil of the 4th coil unit 24
240.It constructs whereby, which is serially connected between the subcoil 210~240 of the grade coil units 21~24, works as electric current
When by the equal subcoils 210~240 with the ancillary coil 30, which can independently generate magnetic field,
And magnetic field caused by the ancillary coil 30 is the centre positioned at the grade subcoils 210~240, in this way, which this hair can be made
Open-wire line coil apparatus global magnetic field homogenization.
About the connection structure of the equal coil units 21~24, with the first coil unit 21 and second coil unit 24
For, other coil units can the rest may be inferred.Referring to FIG. 7, the first coil unit 21 is for setting in one first shell 31
Interior, for second coil unit 22 for being arranged in a second housing 32, which has a slot 310, the slot
There is conductive junction point 311, the conductive junction point 311 of the slot 310 is electrically connected the subcoil 210 of the first coil unit 21 in 310
With line segment 211.The second housing 32 has a plug 320, which has conductive junction point 321, the conduction of the plug 320
Contact 321 is electrically connected the subcoil 220 and line segment 221 of second coil unit 22.Whereby, when first shell 31 and this second
Shell 32 combines, which is to be correspondingly arranged in the slot 310, and the conductive junction point 321 of the plug 320 contacts this and inserts
The conductive junction point 311 of slot 310 and form electrical connection, therefore the first coil unit 21 is enable to be electrically connected second coil unit 22.
In the coil device, each coil unit 21~24 can be electrically connected a control circuit, referring to FIG. 8, should
Control circuit 40 is logical comprising a DC/DC converter 41, a DC/AC converter 42, one selection switch 43, a resonant capacitance 44, one
Believe circuit 45 and a controller 46.
For the input terminal of the DC/DC converter 41 for receiving a direct current, the input terminal electrical connection of the DC/AC converter 42 should
The direct current is converted to an output alternating current to receive the direct current by the output end of DC/DC converter 41.The DC/AC turns
The output end of parallel operation 42 is electrically connected a coil unit 21~24 with the resonant capacitance 44 by the selection switch 43, this is defeated
Alternating current passes through the external radiated electromagnetic wave of coil unit 21~24 out.The controller 46 is electrically connected the DC/DC converter 41, is somebody's turn to do
DC/AC converter 42, the telecommunication circuit 45 and the selection switch 43, the controller 46 control the DC/DC converter 41 and the DC/
AC converter 42 generates the output alternating current, which is electrically connected the telecommunication circuit 45 for external connection, and the control
Device 46 can control this to select switch 43 to be connected or opening a way.
Referring to FIG. 9, by taking the subcoil 210 of the first coil unit 21 and the circuit of its control circuit 40 as an example, the choosing
The subcoil 210 for selecting switch 43, the resonant capacitance 44 and the first coil unit 21 is be serially connected in the DC/AC converter 42 defeated
Outlet.When the selection switch 43 conducting, the output electric current I1 of the DC/AC converter 42 can pass through the resonant capacitance 44 and this
The subcoil 210 of first coil unit 21, so that the subcoil 210 generates magnetic field.It can be seen that working as the first coil unit 21
When not connecting with other coil units, which can also drive the subcoil 210 of the first coil unit 21 to generate
Even magnetic field is for wireless charging.
The present invention can be connect for the second coil unit 22 with first coil unit 21 or the second coil unit 22 and the 4th line
Coil unit 24 connects.Referring to FIG. 10, by taking second coil unit 22 is connect with the first coil unit 21 as an example, connect this
One coil unit 21 selects switch 43 for open-circuit condition with second coil unit 22, makes the sub-line of the first coil unit 21
Circle 210 concatenates the subcoil 220 of second coil unit 22.Whereby, the output electric current I2 energy which generates
The subcoil 220 of resonant capacitances 44, the subcoil 210 of the first coil unit 21 and second coil unit 22 is waited by this,
Two subcoil 210,220 is set to generate magnetic field respectively for wireless charging.
The present invention can be connected for 21 to the 4th coil unit 24 of first coil unit, please referred to Fig. 6 and Figure 11, connected this etc.
Coil unit 21~24 selects switch 43 for open-circuit condition, makes the subcoil 210~240 of the grade coil units 21~24 and is somebody's turn to do
Ancillary coil 30 forms concatenation, and wherein the ancillary coil 30 is connected with an auxiliary resonance capacitor 300, makes the ancillary coil 30 and is somebody's turn to do
Auxiliary resonance capacitor 300 be serially connected in the second coil unit 22 subcoil 220 and tertiary coil unit 23 subcoil 230 it
Between.Whereby, the output electric current I3 which generates can be by the resonant capacitance corresponding to first coil unit 21
44, the subcoil 210~240 of the coil units such as this 21~24, the ancillary coil 30, the auxiliary resonance capacitor 300 and correspond to
The resonant capacitance 44 of 4th resonant element 24 makes the subcoil 210~240 and the ancillary coil 30 of the grade coil units 21~24
A uniform magnetic field can be generated for wireless charging.
In conclusion under the operation scenario of only one coil unit, the sub-line of first coil unit 21 as shown in Figure 9
Circle 210, which can generate magnetic field individually for the electronic device wireless charging of lower-wattage；There are two coil lists
Under the operation scenario of member, the subcoil of the subcoil 210 of first coil unit 21 as shown in Figure 10 and the second coil unit 22
220, which can generate magnetic field individually for the electronic device wireless charging of two lower-wattages；?
There are four coil unit operation scenario under, the state after being combined such as Fig. 6 with the grade coil units 21~24 shown in Figure 11, this etc.
Subcoil 210~240 and the ancillary coil 30 can generate a uniform magnetic field for the electronic device wireless charging of higher-wattage.It is
With the present invention can provide multioperation situation, and practicability is substantially improved.
Claims (10)
1. a kind of coil unit that can produce uniform magnetic field, characterized by comprising:
One subcoil, comprising an eccentric winding portion and two circuit connecting sections, the bias winding portion has two opposite sections, institute
Two section that two circuit connecting sections connect the eccentric winding portion respectively is stated, which is set to a top of a substrate
Face；And
Multiple line segments, arranged in parallel and to be intervally installed, the line segment be set to a back side of the substrate and with it is described
Subcoil overlaps each other, and for the line segment relative tilt in the subcoil, each line segment has two ends, two end point
It Wei not two coil interconnecting pieces.
2. can produce the coil unit of uniform magnetic field as described in claim 1, which is characterized in that the subcoil it is described partially
Heart winding portion is rectangle winding portion, and the bias winding portion is greater than the eccentric winding portion in -X direction in the line-spacing of +X direction
Line-spacing, the bias winding portion are less than the eccentric winding portion in the line-spacing of -Y direction in the line-spacing of +Y direction；
The inclined direction of the line segment is tilted from+X ,+Y towards-X, -Y direction.
3. can produce the coil unit of uniform magnetic field as described in claim 1, which is characterized in that the subcoil it is described partially
Heart winding portion is rectangle winding portion, and the bias winding portion is greater than the eccentric winding portion in -X direction in the line-spacing of +X direction
Line-spacing, the bias winding portion are greater than the eccentric winding portion in the line-spacing of -Y direction in the line-spacing of +Y direction；
The inclined direction of the line segment is tilted from-X ,+Y towards+X, -Y direction.
4. can produce the coil unit of uniform magnetic field as described in claim 1, which is characterized in that the subcoil it is described partially
Heart winding portion is rectangle winding portion, and the bias winding portion is less than the eccentric winding portion in -X direction in the line-spacing of +X direction
Line-spacing, the bias winding portion are less than the eccentric winding portion in the line-spacing of -Y direction in the line-spacing of +Y direction；
The inclined direction of the line segment is tilted from-X ,+Y towards+X, -Y direction.
5. can produce the coil unit of uniform magnetic field as described in claim 1, which is characterized in that the subcoil it is described partially
Heart winding portion is rectangle winding portion, and the bias winding portion is less than the eccentric winding portion in -X direction in the line-spacing of +X direction
Line-spacing, the bias winding portion are greater than the eccentric winding portion in the line-spacing of -Y direction in the line-spacing of +Y direction；
The inclined direction of the line segment is tilted from+X ,+Y towards-X, -Y direction.
6. the coil unit that can produce uniform magnetic field as described in any one of claims 1 to 5, which is characterized in that the son
Coil is set to a top surface of a substrate, and the bias winding portion is the component in same plane and winding from inside to outside；
The line segment is set to a bottom surface of the substrate, and the coil connecting portion of the line segment is in the top surface or bottom of the substrate
The edge in face.
7. a kind of coil device that can produce uniform magnetic field, which is characterized in that include multiple coil units, the coil unit is
It matrix arrangement and removable group is connected to each other, each coil unit includes:
One subcoil, comprising an eccentric winding portion and two circuit connecting sections, the bias winding portion has two opposite sections, institute
Two section that two circuit connecting sections connect the eccentric winding portion respectively is stated, which is set to a top of a substrate
Face；And
Multiple line segments, arranged in parallel and to be intervally installed, the line segment be set to a back side of the substrate and with it is described
Subcoil overlaps each other, and the line segment relative tilt is in the subcoil, wherein each line segment has two ends, two end
End is respectively two coil interconnecting pieces；
The coil interconnecting piece of multiple line segments of the multiple coil unit is connected to each other and constitutes an ancillary coil, and the auxiliary
Between the subcoil of the coil unit, the center of the subcoil corresponds in the ancillary coil coil tandem
Heart position.
8. can produce the coil device of uniform magnetic field as claimed in claim 7, which is characterized in that the subcoil it is described partially
Heart winding portion is rectangle winding portion, and the ancillary coil is diamond shape component.
9. can produce the coil device of uniform magnetic field as claimed in claim 8, which is characterized in that the coil unit includes one
First coil unit, one second coil unit, a tertiary coil unit and one the 4th coil unit；
In the first coil unit, the bias winding portion is greater than the eccentric winding portion in -X direction in the line-spacing of +X direction
Line-spacing, the bias winding portion is less than line-spacing of the eccentric winding portion in -Y direction, the line segment in the line-spacing of +Y direction
Inclined direction from+X ,+Y towards-X, -Y direction tilt；
In second coil unit, the bias winding portion is greater than the eccentric winding portion in -X direction in the line-spacing of +X direction
Line-spacing, the bias winding portion is greater than line-spacing of the eccentric winding portion in -Y direction, the line segment in the line-spacing of +Y direction
Inclined direction from-X ,+Y towards+X, -Y direction tilt；
In the tertiary coil unit, the bias winding portion is less than the eccentric winding portion in -X direction in the line-spacing of +X direction
Line-spacing, the bias winding portion is less than line-spacing of the eccentric winding portion in -Y direction, the line segment in the line-spacing of +Y direction
Inclined direction from-X ,+Y towards+X, -Y direction tilt；
In 4th coil unit, the bias winding portion is less than the eccentric winding portion in -X direction in the line-spacing of +X direction
Line-spacing, the bias winding portion is greater than line-spacing of the eccentric winding portion in -Y direction, the line segment in the line-spacing of +Y direction
Inclined direction from+X ,+Y towards-X, -Y direction tilt.
10. can produce the coil device of uniform magnetic field as claimed in claim 7, which is characterized in that each coil unit
The subcoil is set to a top surface of a substrate, and the bias winding portion is the structure in same plane and winding from inside to outside
Part；The line segment is set to a bottom surface of the substrate, and the coil connecting portion of the line segment is in the top surface or bottom of the substrate
The edge in face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234627.9A CN108257770B (en) | 2016-12-28 | 2016-12-28 | It can produce the coil unit and coil device of uniform magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234627.9A CN108257770B (en) | 2016-12-28 | 2016-12-28 | It can produce the coil unit and coil device of uniform magnetic field |
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| Publication Number | Publication Date |
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| CN108257770A CN108257770A (en) | 2018-07-06 |
| CN108257770B true CN108257770B (en) | 2019-08-16 |
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| JP4273734B2 (en) * | 2002-09-25 | 2009-06-03 | ソニー株式会社 | Antenna device |
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| CN2814507Y (en) * | 2005-04-21 | 2006-09-06 | 郑国书 | Novel mouse pad internal inducting coil winding structure |
| CN102375026A (en) * | 2010-07-08 | 2012-03-14 | 奥林巴斯Ndt公司 | 2D coil and a method of obtaining ec response of 3d coils using the 2d coil configuration |
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| Publication number | Publication date |
|---|---|
| CN108257770A (en) | 2018-07-06 |
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