CN208521760U - A kind of wire winding device and electronic equipment - Google Patents
A kind of wire winding device and electronic equipment Download PDFInfo
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- CN208521760U CN208521760U CN201821178001.5U CN201821178001U CN208521760U CN 208521760 U CN208521760 U CN 208521760U CN 201821178001 U CN201821178001 U CN 201821178001U CN 208521760 U CN208521760 U CN 208521760U
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Abstract
The utility model embodiment discloses a kind of wire winding device and electronic equipment.Wherein, which includes substrate；In at least two first wire windings for besieging it ring upon ring formula arrangement, positioned at the first surface of substrate, along arragement direction sequence from outside to inside；In at least two second wire windings for besieging it ring upon ring formula arrangement, positioned at the second surface of substrate, along arragement direction sequence from outside to inside；The part of first wire winding of the position M to level off at inner end positions is electrically connected by the part of metallic conductor and the second wire winding of the position M+1 to level off at outer end position, and the part to level off at outer end position that the part of the second wire winding of the position M to level off at inner end positions passes through metallic conductor and the first wire winding of the position M+1 is electrically connected.The technical solution of the utility model embodiment can reduce the volume of wire winding, and then reduce the volume of non-contact electric energy transmission equipment.
Description
Technical field
The utility model relates to wireless charging technical field more particularly to a kind of wire winding devices and electronic equipment.
Background technique
Wireless charging, also referred to as induction charging or non-contact inductive charge are to utilize near-field sensing, that is, inductance coupling
It closes, power device is transferred energy to by power supply unit.General technology is in charger (i.e. non-contact electric energy transmission equipment)
Equipped with a coil, electromagnetic field in a certain direction can produce after energization, if imposing alternating current can produce ac magnetic field, if
There is another coil to receive ac magnetic field in power device (i.e. non-contact electric energy receiving device), electric energy can be converted into, and powers
It charges to power device, or to the rechargeable battery in it.Due to being transmitted between charger and power device with inductive coupling
Energy, without necessity of electric wire connection.
In the prior art, the coil in charger, power device etc. uses common line style coil (wire-type
Coil).Therefore, coil is wound in a manner of being overlapped, stacking.This can cause the thickness of non-contact electric energy transmission equipment due to
The increase of the number of turns of the thickness and coil of coil and increased defect.
Utility model content
The utility model embodiment provides a kind of wire winding device and electronic equipment, to reduce the volume of wire winding,
And then reduce the volume of non-contact electric energy transmission equipment.
In a first aspect, the utility model embodiment provides a kind of wire winding device, comprising:
Substrate, including opposite first surface and second surface；
At least two first wire windings, positioned at the first surface of substrate, at least two first wire windings are in wrap layer by layer
Enclose formula arrangement；
At least two second wire windings, positioned at the second surface of substrate, at least two second wire windings are in wrap layer by layer
Enclose formula arrangement；
At least two first wire windings along from outside to inside arragement direction sequence, at least two second wire windings along by
Arrive interior arragement direction sequence outside, the part of the first wire winding of the position M to level off at inner end positions is led by metal
The part of body and the second wire winding of the position M+1 to level off at outer end position is electrically connected, the second conducting wire of the position M around
The part of group to level off at inner end positions levels off to outer end by the first wire winding of metallic conductor and the position M+1
Set the part electrical connection at place, wherein M is integer more than or equal to 1, M=1,2 ... N-1, the number of the first wire winding and
The number of second wire winding is equal and is N.
Further, the second wire winding of the first wire winding of the position M and the position M is along the perpendicular to substrate
The direction on one surface is opposite.
Further, at least two first wire windings and at least two second wire windings are connected in series.
Further, first wire winding and second wire winding opposite along the direction of the first surface perpendicular to substrate
Equal turn numbers.
Further, pass through metallic conductor positioned at the part of innermost first wire winding to level off at inner end positions
It is electrically connected with the part to level off at inner end positions for being located at innermost second wire winding.
Further, the first wire winding is single turn wire winding, and the second wire winding is single turn wire winding.
It further, further include two engagement pads, positioned at the same surface of substrate, alternatively, it is located at the different surfaces of substrate,
Wherein, an engagement pad is electrically connected with the part of the outboard wire winding for being located at first surface to level off at outer end position, separately
The part of one engagement pad and the outboard wire winding that is located at second surface to level off at outer end position is electric by metallic conductor
Connection.
It further, is multiply line style there are at least one first wire winding, there are at least one the second wire windings
For multiply line style.
Further, the first wire winding is the continuous multiturn wire winding of helically formula arrangement, the second wire winding
For the continuous multiturn wire winding of helically formula arrangement, seen along the direction that the first surface of substrate is directed toward second surface, at least
Two the first wire windings from inside to outside around to identical, at least two second wire windings from inside to outside around to identical, until
Few two the first wire windings and at least two second wire windings from inside to outside around to opposite.
Second aspect, the utility model embodiment additionally provide a kind of electronic equipment, including the utility model is arbitrarily implemented
The wire winding device that example provides.
The technical solution of the utility model embodiment by being arranged at least two first conducting wires on the first surface of the substrate
Winding, at least two first wire windings are arranged in formula of besieging it ring upon ring；At least two second are arranged on the second surface of substrate
Wire winding, at least two second wire windings are arranged in formula of besieging it ring upon ring；At least two first wire windings are along from outside to inside
Arragement direction sequence, at least two second wire windings along from outside to inside arragement direction sequence, the first conducting wire of the position M
The outer end that levels off to that the part of winding to level off at inner end positions passes through the second wire winding of metallic conductor and the position M+1
Part electrical connection at position, the part of the second wire winding of the position M to level off at inner end positions pass through metallic conductor
It is electrically connected with the part of the first wire winding of the position M+1 to level off at outer end position, so that the first surface on substrate
With the wire winding interconnection of second surface, compared to being wrapped on skeleton by coiling be made coil (namely conducting wire around
Group or coil windings) mode, the volume of coil can be substantially reduced, and then reduce the volume of non-contact electric energy transmission equipment.
Detailed description of the invention
Fig. 1 is a kind of positive structure schematic of wire winding device provided by the embodiment of the utility model；
Fig. 2 is a kind of reverse structure schematic of wire winding device provided by the embodiment of the utility model；
Fig. 3 is that the connection of the wire winding pattern on a kind of apparent surface of substrate provided by the embodiment of the utility model is closed
It is schematic diagram；
Fig. 4 is the positive structure schematic of another wire winding device provided by the embodiment of the utility model；
Fig. 5 is the reverse structure schematic of another wire winding device provided by the embodiment of the utility model；
Fig. 6 is a kind of wire winding of the first surface of the substrate of wire winding device provided by the embodiment of the utility model
The structural schematic diagram of pattern；
Fig. 7 is a kind of wire winding of the second surface of the substrate of wire winding device provided by the embodiment of the utility model
The structural schematic diagram of pattern；
Fig. 8 be another wire winding device provided by the embodiment of the utility model substrate first surface conducting wire around
The structural schematic diagram of group pattern；
Fig. 9 be another wire winding device provided by the embodiment of the utility model substrate second surface conducting wire around
The structural schematic diagram of group pattern；
Figure 10 is the structural schematic diagram of a kind of electronic equipment provided by the embodiment of the utility model；
Figure 11 is the structural schematic diagram of another electronic equipment provided by the embodiment of the utility model；
Figure 12 is the structural schematic diagram of another electronic equipment provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
The utility model embodiment provides a kind of wire winding device.Fig. 1 is provided by the embodiment of the utility model one
The positive structure schematic of kind wire winding device.The front of the wire winding device can be the first surface of substrate.The Fig. 1
Show to be directed toward the distribution of the wire winding pattern of first surface when substrate is overlooked in the direction of second surface along the first surface of substrate
It is intended to.Fig. 2 is a kind of reverse structure schematic of wire winding device provided by the embodiment of the utility model.Wire winding dress
The reverse side set can be the second surface of substrate.The Fig. 2 is the direction vertical view base that first surface is directed toward along the second surface of substrate
The distribution schematic diagram of the wire winding pattern of second surface when plate.Fig. 3 is a kind of substrate provided by the embodiment of the utility model
The connection relationship diagram of wire winding pattern on apparent surface.The wire winding device may be disposed at transmitting non-contact electric energy
In equipment, such as can be wireless charger, power device etc..The power device can be mobile phone, tablet computer, intelligence and can wear
Wear equipment or electric car.In conjunction with shown in Fig. 1 to Fig. 3, which includes: substrate 210, at least two first conducting wires
Winding (illustrative, first wire winding 220-1,220-2,220-3,220-4 and 220-5 as shown in figure 1) and at least two
Second wire winding (illustrative, such as second wire winding 230-1,230-2,230-3,230-4 and 230-5 in Fig. 2).
Wherein, substrate 210 includes opposite first surface 211 and second surface 212；At least two first wire winding positions
In the first surface 211 of substrate 210, at least two first wire windings are arranged in formula of besieging it ring upon ring；At least two second conducting wires
Winding is located at the second surface 212 of substrate 210, and at least two second wire windings are arranged in formula of besieging it ring upon ring；At least two
One wire winding is along arragement direction sequence from outside to inside, and at least two second wire windings are along arragement direction row from outside to inside
Sequence, the part to level off at inner end positions of the first wire winding of the position M pass through metallic conductor and the position M+1 second
The part electrical connection of wire winding to level off at outer end position, the second wire winding of the position M level off to inner end positions
The part at place is electrically connected by the part of metallic conductor and the first wire winding of the position M+1 to level off at outer end position,
Wherein, M is the integer more than or equal to 1, M=1,2 ... N-1, the number of the number of the first wire winding and the second wire winding
It is equal and be N.
Wherein, regional area C1 is corresponding with regional area C1 ', and regional area C2 is corresponding with regional area C2 ', and corresponding area
The metallic conductor of the same position in domain is same metallic conductor, such as positioned at regional area C1 inside wire winding pattern
Metallic conductor 240 be located at metallic conductor 240 of the regional area C1 ' inside wire winding pattern be same metallic conductor.
It should be noted that the corresponding relationship for the metallic conductor being not marked in figure in the first surface and second surface of substrate, wherein if
The positional relationship of the metallic conductor 240 on the first metallic conductor and first surface on the first surface of the substrate, and in substrate
Second surface on the second metallic conductor it is identical as the positional relationship of metallic conductor 240 on second surface, then the first metal
Conductor and the second metallic conductor are the same metallic conductor across substrate.In conjunction with shown in Fig. 1, Fig. 2 and Fig. 3, the first wire winding
The outer end position that levels off to that the part of 220-1 to level off at inner end positions passes through metallic conductor and the second wire winding 230-2
The part at place is electrically connected, and the part of the first wire winding 220-2 to level off at inner end positions is led by metallic conductor with second
The part electrical connection of line winding group 230-3 to level off at outer end position, the first wire winding 220-3's levels off at inner end positions
Part be electrically connected by the part of metallic conductor and the second wire winding 230-4 to level off at outer end position, the first conducting wire
The outer end that levels off to that the part of winding 220-4 to level off at inner end positions passes through metallic conductor and the second wire winding 230-5
Part electrical connection at position, the part to level off at inner end positions of the second wire winding 230-1 pass through metallic conductor and the
The part electrical connection of one wire winding 220-2 to level off at outer end position, the second wire winding 230-2's levels off to inner end position
The part at the place of setting is electrically connected by the part of metallic conductor and the first wire winding 220-3 to level off at outer end position, and second
The part of wire winding 230-3 to level off at inner end positions is leveled off to by metallic conductor and the first wire winding 220-4's
Part electrical connection at outer end position, the part of the second wire winding 230-4 to level off at inner end positions pass through metallic conductor
It is electrically connected with the part of the first wire winding 220-5 to level off at outer end position, i.e. first surface on substrate and the second table
The wire winding interconnection in face.The metallic conductor can be conducting wire or via hole, and (Fig. 1 to Fig. 2 illustratively draws metallic conductor
The case where for via hole, the via hole can run through substrate, and the hole wall cylindrical surface of via hole along the direction of the first surface perpendicular to substrate
On with the method for chemical deposition plate one layer of metal, to connect the wire winding pattern in first surface and second surface).It should
Metallic conductor can also be solid metal cylinder, is provided on the substrate along the direction of the first surface perpendicular to substrate through base
The through-hole of plate, which passes through the through-hole, to connect the wire winding pattern in first surface and second surface.
It should be noted that substrate 210 can be the relatively thin substrate of thickness, it can be in two opposite tables of substrate
Face forms wire winding pattern, such as can be flexible printed circuit board (Flexible Printed Circuit
Board, FPCB).First wire winding and the second wire winding can be film made of conductor material, such as can be copper.The
One wire winding and the second wire winding can be round or polygon (such as can be rectangle).The conducting wire of wire winding device
The production method of winding (namely coil or coil windings) pattern can by means of sputter, vapor deposition, plating, chemical plating, coating, it is recessed/
The modes such as letterpress, wire mark, yellow light process (exposure lithography), pad pasting, transfer are realized.
Wherein, optionally, the first wire winding of the position M and the second wire winding of the position M are along perpendicular to substrate
First surface direction it is opposite, i.e., identical first wire winding of name placement and the second wire winding are along perpendicular to substrate
The direction of first surface is opposite, such as the first wire winding 220-1 and the second wire winding 230-1 are along perpendicular to the first of substrate
The direction on surface is opposite.Optionally, at least two first wire windings and at least two second wire windings are connected in series.It is optional
, the equal turn numbers of first wire winding and second wire winding opposite along the direction of the first surface perpendicular to substrate, i.e.,
Identical first wire winding of name placement and the second wire winding are along the direction of the first surface perpendicular to substrate in substrate
The view field of first surface is identical.First wire winding can be single turn (i.e. individual pen) wire winding or multiturn (i.e. multi-turn) is led
Line winding group.Second wire winding can be single turn (i.e. individual pen) wire winding or multiturn (i.e. multi-turn) wire winding.If first leads
Line winding group and the second wire winding are continuous multiturn (i.e. multi-turn) wire winding of helically formula arrangement, then along the of substrate
The direction that second surface is directed toward on one surface sees, along opposite the first wire winding in direction of the first surface perpendicular to substrate and the
Two wire windings from inside to outside around to opposite (i.e. one is clockwise, the other is counterclockwise) so that the base
The magnetic direction that the concatenated wire winding of the apparent surface of plate generates is identical, and the first surface along substrate is directed toward second surface
Direction sees, positioned at same surface the first wire winding from inside to outside around to identical, positioned at same surface the second conducting wire around
Group from inside to outside around to identical, the face of the wire winding on two surfaces is poor.If the first wire winding and the second conducting wire
Winding is single turn wire winding, then wire winding can be made to be more evenly distributed neatly, the face of the wire winding on two surfaces
Preferably, compared to the case where a continuous multiturn wire winding is only arranged in each surface of substrate, the first surface along substrate refers to
Seen to the direction of second surface, two continuous conductors windings of two apparent surfaces around on the contrary, two surfaces face area
The wire winding face in domain is poor.By the wire winding on two surfaces of interconnection substrate, adjustable wire winding
Face.For realizing interconnection between the first wire winding and the second wire winding metallic conductor integrated distribution same
Region.
The technical solution of the present embodiment by being arranged at least two first wire windings on the first surface of the substrate, at least
Two the first wire windings are arranged in formula of besieging it ring upon ring；At least two second wire windings are set on the second surface of substrate,
At least two second wire windings are arranged in formula of besieging it ring upon ring；At least two first wire windings are along arragement direction from outside to inside
Sequence, at least two second wire windings are along arragement direction sequence from outside to inside, the approach of the first wire winding of the position M
The portion to level off at outer end position that part at inner end positions passes through the second wire winding of metallic conductor and the position M+1
Point electrical connection, the part of the second wire winding of the position M to level off at inner end positions passes through metallic conductor and the position M+1
The first wire winding the part electrical connection to level off at outer end position so that first surface and second surface on substrate
Wire winding interconnection is wrapped on skeleton in a manner of wire winding is made compared to coiling, can be substantially reduced
The volume of wire winding, and then reduce the volume of non-contact electric energy transmission equipment.
The utility model embodiment provides another wire winding device.With continued reference to Fig. 1 to Fig. 3, in above-described embodiment
On the basis of, the part to level off at inner end positions positioned at innermost first wire winding 220-5 passes through metallic conductor 240
Be electrically connected with the part to level off at inner end positions positioned at innermost second wire winding 230-5, by first surface with
The wire winding of second surface is connected in series, and the both ends after series connection are respectively to lead on the outside of first surface and second surface
The part of line winding group to level off at outer end position, no setting is required outside lead, and then the thickness of wire winding can be reduced
And volume.
Optionally, on the basis of the above embodiments, which further includes two engagement pads, positioned at substrate
Same surface, alternatively, being located at the different surfaces of substrate a, wherein engagement pad and leveling off to for the first continuous conductors winding are outer
Part electrical connection at end position, the part electricity of another engagement pad and the second continuous conductors winding to level off at outer end position
Connection.With continued reference to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 illustratively draw the same table that two engagement pads 250 are respectively positioned on substrate 210
The case where face, the wire winding device further include two engagement pads 250, are respectively positioned on the same surface of substrate 210, wherein one
Engagement pad 250 is electrically connected with the part of the outboard wire winding for being located at same surface to level off at outer end position, another connects
Touch pad 250 and the part of the outboard wire winding for being located at apparent surface to level off at outer end position are electrically connected by metallic conductor
It connects.If the wire winding device is wireless charger, the alternating voltage of predeterminated frequency can be applied between two engagement pads, with
Magnetic fields needed for generating wire winding are in the wire winding of power device；If the wire winding device is power device,
The wire winding device generates induced electromotive force and induced current and exports to two under the action of the magnetic field of wireless charger
It is energy-storage units (such as can be battery or super capacitor) charging in power device between engagement pad.
Optionally, on the basis of the above embodiments, Fig. 4 is another wire winding provided by the embodiment of the utility model
The positive structure schematic of device, Fig. 5 are the inverse layer structure of another wire winding device provided by the embodiment of the utility model
Schematic diagram, in conjunction with shown in Fig. 4 and Fig. 5, at least one first wire winding 220 be multiply line style, at least one second conducting wire around
Group 230 is multiply line style.The number of share of stock of multiple first wire windings can be equal or different.The number of share of stock of multiple second wire windings can
With equal or different.First wire winding of same position and the number of share of stock of the second wire winding can be equal.By being rationally arranged
The number of share of stock of first wire winding and the second wire winding, it is possible to reduce wire winding is caused due to factors such as vortex and skin depths
Resistance.Optionally, the middle section of the first wire winding is in multiply line style, levels off to and the part at inner end positions and levels off to
Part at outer end position is in sub-thread line style；The middle section of second wire winding is in multiply line style, is leveled off at inner end positions
Part and the part that levels off at outer end position in sub-thread line style.
Fig. 6 is a kind of wire winding pattern of the first surface of the substrate of wire winding device provided in an embodiment of the present invention
Structural schematic diagram (substrate is not shown in the figure), the Fig. 6 be along substrate first surface be directed toward second surface direction overlook base
The distribution schematic diagram of the wire winding pattern of first surface when plate.Fig. 7 is a kind of wire winding dress provided in an embodiment of the present invention
The structural schematic diagram (substrate is not shown in the figure) of the wire winding pattern of the second surface for the substrate set, the Fig. 7 are along substrate
The distribution schematic diagram of the wire winding pattern of second surface when substrate is had an X-rayed in the direction that first surface is directed toward second surface.Fig. 8 is
The structural representation of the wire winding pattern of the first surface of the substrate of another wire winding device provided in an embodiment of the present invention
Scheme (substrate is not shown in the figure), which is the first table when being directed toward the direction vertical view substrate of second surface along the first surface of substrate
The distribution schematic diagram of the wire winding pattern in face.Fig. 9 is the substrate of another wire winding device provided in an embodiment of the present invention
Second surface wire winding pattern structural schematic diagram (substrate is not shown in the figure), the Fig. 9 be along substrate first surface
The distribution schematic diagram of the wire winding pattern of first surface when being directed toward the direction perspective substrate of second surface.Such as Fig. 4 to Fig. 9 institute
Show, the shape of at least one end of at least one end and the second wire winding of the first wire winding can be oblique line or broken line.
The utility model embodiment provides a kind of electronic equipment.Figure 10 is a kind of electronics provided by the embodiment of the utility model
The structural schematic diagram of equipment.The electronic equipment 20 includes the wire winding device that the utility model any embodiment provides.
Wherein, electronic equipment provided by the embodiment of the utility model includes the wire winding device in above-described embodiment, because
This electronic equipment provided in an embodiment of the present invention also has beneficial effect described in above-described embodiment, and details are not described herein again.
Optionally, which includes following at least one: charging pile, mobile phone, tablet computer, intelligent wearable device and electronic
Automobile.
The utility model embodiment provides another electronic equipment.Figure 11 be it is provided by the embodiment of the utility model another
The structural schematic diagram of electronic equipment.On the basis of the above embodiments, which further includes voltage conversion unit 21,
In, the output end of voltage conversion unit 21 is electrically connected with wire winding device 10, and voltage conversion unit 21 is used for input terminal
Voltage is converted into the alternating voltage of predeterminated frequency, and exports to wire winding device 10, so that wire winding device 10 generates magnetic
Field intensity may act on the wire winding device of non-contact electric energy receiving device in default regular changing magnetic field.Voltage conversion
The output end of unit 21 can be electrically connected with two engagement pads (i.e. two engagement pads of substrate) of wire winding device 10.Voltage turns
The input voltage for changing 21 input terminal of unit can be DC voltage, can also be the frequency alternating voltage different from predeterminated frequency,
Such as it can be alternating current.The electronic equipment can be used as non-contact electric energy transmission equipment, such as can be charger, charging pile etc..
The utility model embodiment provides another electronic equipment.Figure 12 be it is provided by the embodiment of the utility model another
The structural schematic diagram of electronic equipment.On the basis of the above embodiments, which further includes energy-storage units 22, wire winding
Device 10 is electrically connected with energy-storage units 22, and wire winding device 10 is used to charge to energy-storage units 22.It can be by wire winding device
10 two engagement pads (i.e. two engagement pads of substrate) are electrically connected with energy-storage units 22.Wire winding device 10 can be non-contact
Under the action of the magnetic field strength that electric energy transmission equipment generates is in default regular changing magnetic field, induced electromotive force is generated, in turn
Charging current is generated to export to energy-storage units 22.The electronic equipment can be used as non-contact electric energy receiving device, such as can be hand
Machine, tablet computer, the intelligent power devices such as wearable device and electric car.The energy-storage units may include battery or super electricity
Hold.
Optionally, on the basis of the above embodiments, which further includes magnet unit, is located at wire winding device
Side, the magnet unit can for wire winding device generate magnetic field magnetic circuit be provided, which can be strong magnetic material
It is made, such as can be ferrite.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation is readjusted, be combined with each other and is substituted without departing from the protection scope of the utility model.Therefore, although passing through
Above embodiments are described in further detail the utility model, but the utility model is not limited only to the above implementation
Example can also include more other equivalent embodiments in the case where not departing from the utility model design, and the utility model
Range is determined by the scope of the appended claims.
Claims (10)
1. a kind of wire winding device characterized by comprising
Substrate, including opposite first surface and second surface；
At least two first wire windings, positioned at the first surface of the substrate, at least two first wire winding is in layer
Layer enclosed arrangement；
At least two second wire windings, positioned at the second surface of the substrate, at least two second wire winding is in layer
Layer enclosed arrangement；
At least two first wire winding is along arragement direction sequence from outside to inside, at least two second wire winding
Along arragement direction sequence from outside to inside, the part of the first wire winding of the position M to level off at inner end positions passes through gold
The part to level off at outer end position for belonging to conductor and the second wire winding of the position M+1 is electrically connected, and the second of the position M is led
The part of line winding group to level off at inner end positions being leveled off to outside by the first wire winding of metallic conductor and the position M+1
Part electrical connection at end position, wherein M is the integer more than or equal to 1, M=1,2 ... N-1, first wire winding
Number and second wire winding number it is equal and be N.
2. wire winding device according to claim 1, which is characterized in that the first wire winding of the position the M with
Second wire winding of the position the M is opposite along the direction of the first surface perpendicular to the substrate.
3. wire winding device according to claim 1, which is characterized in that at least two first wire winding and institute
State the series connection of at least two second wire windings.
4. wire winding device according to claim 1, which is characterized in that along the first surface perpendicular to the substrate
The equal turn numbers of direction the first opposite wire winding and the second wire winding.
5. wire winding device according to claim 1, which is characterized in that positioned at becoming for innermost first wire winding
Be bordering on the part at inner end positions by metallic conductor be located at the leveling off at inner end positions of innermost second wire winding
Part electrical connection.
6. wire winding device according to claim 1, which is characterized in that first wire winding be single turn conducting wire around
Group, second wire winding are single turn wire winding.
7. wire winding device according to claim 1, which is characterized in that further include two engagement pads, be located at the base
The same surface of plate, alternatively, being located at the different surfaces of the substrate a, wherein engagement pad and the outside for being located at first surface
The part electrical connection of wire winding to level off at outer end position, another engagement pad be located at the outboard wire of second surface around
The part electrical connection of group to level off at outer end position.
8. wire winding device according to claim 1, which is characterized in that there are the first wire windings described at least one
It is multiply line style there are the second wire winding described at least one for multiply line style.
9. wire winding device according to claim 1, which is characterized in that first wire winding is helically formula row
The continuous multiturn wire winding of cloth, second wire winding are the continuous multiturn wire winding of helically formula arrangement；Edge
The direction that the first surface of the substrate is directed toward second surface sees, at least two first wire winding from inside to outside around to
It is identical, at least two second wire winding from inside to outside around to identical, at least two first wire winding and institute
State at least two second wire windings from inside to outside around to opposite.
10. a kind of electronic equipment, which is characterized in that including any wire winding device of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821178001.5U CN208521760U (en) | 2018-07-24 | 2018-07-24 | A kind of wire winding device and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821178001.5U CN208521760U (en) | 2018-07-24 | 2018-07-24 | A kind of wire winding device and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256989A (en) * | 2020-09-22 | 2022-03-29 | 华为技术有限公司 | Coil assembly, electronic equipment and wireless charger |
-
2018
- 2018-07-24 CN CN201821178001.5U patent/CN208521760U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256989A (en) * | 2020-09-22 | 2022-03-29 | 华为技术有限公司 | Coil assembly, electronic equipment and wireless charger |
| CN114256989B (en) * | 2020-09-22 | 2024-01-02 | 华为技术有限公司 | Coil assembly, electronic equipment and wireless charger |
| EP4210075A4 (en) * | 2020-09-22 | 2024-03-06 | Huawei Tech Co Ltd | Coil assembly, electronic device, and wireless charger |
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