CN207368220U - Electronic equipment and its antenna assembly - Google Patents
Electronic equipment and its antenna assembly Download PDFInfo
- Publication number
- CN207368220U CN207368220U CN201721302070.8U CN201721302070U CN207368220U CN 207368220 U CN207368220 U CN 207368220U CN 201721302070 U CN201721302070 U CN 201721302070U CN 207368220 U CN207368220 U CN 207368220U
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- Prior art keywords
- aerial coil
- antenna assembly
- marginal zone
- center
- area
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Abstract
A kind of electronic equipment and its antenna assembly, the antenna assembly include：Metallic plate, the metallic plate have the through hole of closing, and the through hole includes center and at least three marginal zones stretched out from the center；Aerial coil, is arranged at the metallic plate, and the aerial coil covers at least a portion of the center.The utility model can improve antenna performance in the case where not influencing metallic plate intensity.
Description
Technical field
It the utility model is related to antenna technology, more particularly to a kind of electronic equipment and its antenna assembly.
Background technology
In the electronic equipment using technologies such as RF tag (RFID), near-field communications (NFC), antenna is usually all integrated with
Device, to communicate with external equipment.Antenna assembly is usually formed by multiturn conducting wire coiling, to carry out sensing coupling to electromagnetic field
Close.
A kind of antenna assembly is disclosed in the Chinese patent literature of Publication No. CN102405556A, its structure such as Fig. 1 institutes
Show.With reference to figure 1, which includes conductor layer 2 and the aerial coil module 3 being arranged in conductor layer 2, antenna line
Circle module 3 includes spiral helicine coil 31.Wherein, conductor openings portion CA, the coil aperture of coil 31 are offered in conductor layer 2
Portion CW and conductor openings portion CA are coaxial.Wherein, the electromagnetic field that external equipment applies to produce sensing electric current in conductor layer 2
(or vortex), resulting magnetic field to produce sensing electric current in coil 31.
In scheme shown in Fig. 1, slit SL is further opened with conductor layer 2, slit SL is connected simultaneously with conductor openings portion CA
Extend to the edge of conductor layer 2.But slit SL causes the intensity of conductor layer 2 to be lower, the conductor layer 2 of slit SL both sides may
It can be uneven, influence the performance of antenna assembly 103.
Therefore, there is an urgent need for a kind of new scheme to avoid influence of the slit to the performance of antenna assembly.
Utility model content
The technical problem that the utility model solves is to provide a kind of antenna assembly, to improve antenna performance.
In order to solve the above technical problems, the utility model embodiment provides a kind of antenna assembly, including：
Metallic plate, the metallic plate have the through hole of closing, and the through hole includes center and stretched out from the center
At least three marginal zones；
Aerial coil, is arranged at the metallic plate, and the aerial coil covers at least a portion of the center.
One embodiment according to the present utility model, at least one marginal zone are located at the open region of aerial coil encirclement
Inside domain, at least one marginal zone is located at outside the open area of aerial coil encirclement.
One embodiment according to the present utility model, the area of the marginal zone inside the open area is with being located at institute
State the area equation of the marginal zone outside open area.
One embodiment according to the present utility model, the whole center of the aerial coil covering, the aerial coil
At least a portion of one of marginal zone is also covered, and is not intersected with other marginal zones.
One embodiment according to the present utility model, in the aerial coil, the width for covering the conducting wire of the through hole is big
In the width for the conducting wire for covering the metallic plate beyond the through hole.
One embodiment according to the present utility model, the area or length in the first edge area at least three marginal zone
Degree is more than other marginal zones, and the aerial coil covers the first edge area.
One embodiment according to the present utility model, second edge area and the 3rd edge at least three marginal zone
The area in area is more than other marginal zones, and one in the second edge area and the 3rd marginal zone surrounds positioned at the aerial coil
Open area inside, another be located at the aerial coil encirclement open area outside.
One embodiment according to the present utility model, the part that the aerial coil covers the center is straight flange, is removed
Outside the part for covering the center, the remainder of the aerial coil is arc.
The utility model embodiment provides a kind of electronic equipment, including the antenna assembly described in any of the above item.
One embodiment according to the present utility model, the metallic plate are rear shell, middle shell or the PCB of the electronic equipment
Plate.
Compared with prior art, the technical solution of the utility model embodiment has the advantages that：
In the utility model embodiment, there is the through hole of closing on metallic plate, through hole on aerial coil covered metal plate
At least a portion of center, due to the intersection for the vortex that central location is produced in metallic plate sensing, current strength is larger, phase
The magnetic field that should be produced is also relatively strong, thus such setting is so that the better performances of whole antenna assembly.It is additionally, since on metallic plate
Through hole be closing, thus caused by avoiding slit the problem of metallic plate intensity decreases.
Furthermore, at least one marginal zone of through hole is located inside the open area of aerial coil, at least one side
Edge area is located at outside the open area of aerial coil, it is such setting allow induced field respectively via open area inside
Passed in and out with exterior marginal zone, form the magnetic flexible of closure.In addition, marginal zone inside open area and positioned at open region
The area of the marginal zone in overseas portion is preferably equal, so that the magnetic flux of disengaging reaches balance, it is linear to be conducive to raising day
Energy.
Still further, width of the conductor width more than the conducting wire in other regions of the aerial coil of the through hole is covered
Degree, the larger conducting wire of width have relatively low resistance value, and Q value highers, are conducive to improve antenna performance；Moreover, other areas
The conductor width in domain is smaller, thus the area taken is smaller, so as to reduce the area of aerial coil occupancy on the whole.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of antenna assembly in the prior art；
Fig. 2 is the structure diagram of the antenna assembly of first embodiment of the invention；
Fig. 3 is the structure diagram of the antenna assembly of second embodiment of the invention；
Fig. 4 is the structure diagram of the antenna assembly of third embodiment of the invention；
Fig. 5 is the structure diagram of the antenna assembly of fourth embodiment of the invention；
Fig. 6 is the structure diagram of the antenna assembly of fifth embodiment of the invention；
Fig. 7 is the structure diagram of the antenna assembly of sixth embodiment of the invention.
Embodiment
As background section is described, conductor openings portion of the antenna assembly of the prior art in conductor layer with it is narrow
Seam connection, the slit extend to the edge of conductor layer, have impact on the integral strength of conductor layer.
In the embodiment of the present invention, the through hole in metal layer is closing, which includes center and stretched out from center
At least three marginal zones, aerial coil is arranged at least a portion of covering center, the property of antenna assembly improved with this
Can, so as to avoid strength problem caused by slit.
In the application, aerial coil is pounded by one or multiturn conducting wire coiling forms, and aerial coil covering center refers to one
Circle or multiturn conducting wire covering center.In addition, the region that aerial coil surrounds is open area, according to the coiling cabling side of conducting wire
Formula, open area can be various proper shapes, such as semicircle, arch etc..The inside of open area refers to outmost turns
Within the scope of conducting wire limits, the outside of open area is referred to beyond the scope that outmost turns conducting wire limits；Alternatively, open area
Inside can also be within the scope of innermost circle conducting wire limits, the outside of open area be the scope that limits of outmost turns conducting wire with
Outside.
It is understandable to enable the above-mentioned purpose of the utility model, feature and beneficial effect to become apparent, below in conjunction with the accompanying drawings
Specific embodiment of the utility model is described in detail.
With reference to figure 2, in the first embodiment, antenna assembly mainly includes metallic plate 20 and aerial coil 22.This day traditional thread binding
Put can be NFC antenna device, RFID antenna device or other appropriate types antenna assembly.
The material of the metallic plate 20 can be various appropriate metal materials, such as copper.Envelope is offered on the metallic plate 20
The through hole closed, namely the profile of the through hole is closing, and without open opening or slit.It can be filled in the through hole
There is dielectric material, or can also be hollow out.Furthermore, which includes center 210 and connects with center 210
Logical marginal zone 211,212,213 and 214.Wherein, marginal zone 211,212,213 and 214 is all stretched out from center 210, changes speech
It, marginal zone 211,212,213 and 214 converges at center 210.
As a nonrestrictive example, the shape of the center 210 in Fig. 2 is rectangle.In other instances, center
Area 210 can also be other shapes, include but not limited to circular, ellipse, polygon (such as triangle, trapezoidal), irregular
Shape (such as cloud shape).It can fill hardware in center 210, but the hardware not edge with center 210
Connection, can be filled with dielectric material, such as ceramics, plastics, paint etc. between hardware and the edge of center 210.
As a nonrestrictive example, the shape of the marginal zone 211,212,213 and 214 in Fig. 2 is rectangle.At it
In his example, marginal zone 211,212,213 and 214 can also be other shapes, include but not limited to L-shaped, V-arrangement, N shapes, M shapes, W
Shape, triangle, ellipse, polygon, irregular shape (such as snakelike etc.), or the combination of these shapes.Marginal zone 211,
212nd, 213 and 214 profile can be smooth, it is possible to have burr, for example (,) it is overall in tree-shaped.Marginal zone 211,212,
213 and 214 width can be constant or outwards become narrow gradually from center 210 or gradually broaden.
Aerial coil 22 can be formed by multiturn conducting wire coiling, and cover at least a portion of center 210, Ye Jitian
At least the one of line coil 22 pounds the wiring path of conducting wire by center 210.Further youngster wherein, during aerial coil 22 covers
The area of heart district 210 is bigger, and the magnetic field energy of coupling is stronger, is also more conducive to improve the overall performance of antenna assembly.It is excellent
Selection of land, aerial coil 22 cover the entire area of center 210, namely center 210 is all covered by aerial coil 22.
As a nonrestrictive example, marginal zone 213 and 214 is located in the open area of the encirclement of aerial coil 22
Portion, and marginal zone 211 and 212 is located at outside the open area of the encirclement of aerial coil 22, thus, magnetic flexible can be respectively via interior
Portion and the disengaging of exterior marginal zone, form the magnetic flexible of closure.Wherein, the marginal zone 211 and 212 inside open area can
With inside the region that 22 innermost circle conducting wire of aerial coil limits, or 22 outmost turns conducting wire of aerial coil can also be located at and limited
Inside fixed region, that is, aerial coil 22 can cover the end of marginal zone 211 and 212.
Preferably, aerial coil 22 is into covering center 210, and does not intersect with each marginal zone.This is because antenna
It if coil 22 intersects with marginal zone, can to produce opposite sensing electric current in aerial coil 22, so as to cancel out each other, influence
Antenna performance.
The gross area for the marginal zone 213,214 being preferably located inside open area and the side outside open area
The gross area in edge area 211,212 is equal.Thus, the magnetic flux of disengaging can reach balance, so as to be conducive to improve antenna performance.
Certainly, the area of the inside and outside marginal zone in open area can not also be equal.
Preferably, in aerial coil 22, the width for the conducting wire being covered on through hole compares the conductor width in other regions more
It is wide.Specifically, the width for the conducting wire being covered in Fig. 2 on center 210 is than the width for the conducting wire being covered on metallic plate 20
It is wider.Wider conducting wire causes Q value highers, is conducive to improve antenna performance；And wider conductor resistance is relatively low, equal conditions
Lower electric current bigger, is conducive to improve antenna performance.The width for the conducting wire being covered on metallic plate 20 is smaller, can reduce area
Take.Moreover, the spacing between the conducting wire being covered on metallic plate 20 is the smaller the better, further to reduce area.
Preferably, the part that aerial coil 22 covers center 210 is straight flange, in order to cabling；In addition other
Part is arc, compared to rectangle so that cabling is shorter, is conducive to reduce the area taken.
With reference to figure 3, the antenna assembly of second embodiment mainly includes metallic plate 30 and aerial coil 32.Its structure and first
Embodiment is similar, and the main distinction is, shape of through holes on metallic plate 30 and relative to aerial coil 32 position relationship not
Together.Specifically, which includes center 310 and marginal zone 311,312,313,314 and 315.Aerial coil 32 it is straight
A part for side covering center 310 and a part for marginal zone 313,315.Marginal zone 311,312 is located at aerial coil 32
A part for the outside of the open area of encirclement, marginal zone 314 and marginal zone 315,313 is located at the open region of aerial coil 32
The inside in domain.
Other specific settings on the antenna assembly of second embodiment may refer to the associated description of first embodiment.
With reference to figure 4, the antenna assembly of 3rd embodiment mainly includes metallic plate 40 and aerial coil 42.Its structure and first
Embodiment is similar, and the main distinction is, shape of through holes on metallic plate 40 and relative to aerial coil 42 position relationship not
Together.Specifically, which includes center 410 and marginal zone 411,412 and 413.In the straight flange covering of aerial coil 42
The whole of heart district 410 and the whole of marginal zone 413.Marginal zone 411 is located at the outside of the open area of the encirclement of aerial coil 42,
Marginal zone 412 is located at the inside of the open area of aerial coil 42.Preferably, the marginal zone 413 covered by aerial coil 42
Length or area are more than marginal zone 411,412 respective length or area, namely 42 preferential overlay length of aerial coil or area
The marginal zone of bigger.
Other specific settings on the antenna assembly of 3rd embodiment may refer to the associated description of first embodiment.
With reference to figure 5, the antenna assembly of fourth embodiment mainly includes metallic plate 50 and aerial coil 52.Its structure and first
Embodiment is similar, and the main distinction is, the shape of through holes, through hole on metallic plate 50 relative to the position relationship of aerial coil 52 with
And the shape of aerial coil 52 is different.Specifically, which includes center 510 and marginal zone 511,512 and 513.My god
The whole of straight flange covering center 510 and the whole of marginal zone 513 of line coil 52.Marginal zone 511 is located at antenna line
The outside for the open area that circle 52 surrounds, marginal zone 512 is located at the inside of the open area of aerial coil 52.Aerial coil 52
Shape is not semicircle or arch, in addition to the straight flange of covering center 510, further includes two other straight flange and an arc
Side.Preferably, the length or area of the marginal zone 513 covered by aerial coil 52 are more than marginal zone 511,512 respective length
Or area, that is, the marginal zone of 52 preferential overlay length of aerial coil or area bigger.
Other specific settings on the antenna assembly of fourth embodiment may refer to the associated description of first embodiment.
With reference to figure 6, the antenna assembly of the 5th embodiment mainly includes metallic plate 60 and aerial coil 62.Its structure and first
Embodiment is similar, and the main distinction is, shape of through holes on metallic plate 60 and relative to aerial coil 62 position relationship not
Together.Specifically, which includes center 610 and marginal zone 611,612,613 and 614.Wherein, marginal zone 613 and 614
On axisymmetric position, and marginal zone 611 and 612 is set along the direction of symmetry axis.One straight flange of aerial coil 62 covers
The whole of lid center 610 and the marginal zone 613 and 614 in symmetric position.Marginal zone 611 is located at aerial coil 62 and surrounds
Open area outside, marginal zone 612 is located at the inside of the open area of aerial coil 62.
Other specific settings on the antenna assembly of the 5th embodiment may refer to the associated description of first embodiment.
With reference to figure 7, the antenna assembly of sixth embodiment mainly includes metallic plate 70 and aerial coil 72.Its structure and first
Embodiment is similar, and the main distinction is, the through hole on metallic plate 70 is different relative to the position relationship of aerial coil 72.It is specific and
Speech, the through hole include center 710 and marginal zone 711,712,713 and 714.The straight flange covering center of aerial coil 72
710 whole and marginal zone 712 and 714.Marginal zone 711 is located at the outside of the open area of the encirclement of aerial coil 72, edge
Area 713 is located at the inside of the open area of aerial coil 72.
Other specific settings on the antenna assembly of sixth embodiment may refer to the associated description of first embodiment.
In addition, the embodiment of the present invention also provides a kind of electronic equipment, the day described in any of the above-described embodiment of the electronic equipment
Line apparatus.The electronic equipment is such as can be mobile phone, tablet device.Wherein, the metallic plate of antenna assembly can be that electronics is set
Standby rear shell, middle shell or pcb board.
Although the utility model discloses as above, the utility model is not limited to this.Any those skilled in the art,
Do not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the scope of protection of the utility model
It should be subject to claim limited range.
Claims (10)
- A kind of 1. antenna assembly, it is characterised in that including：Metallic plate, the metallic plate have the through hole of closing, and the through hole includes center and stretched out extremely from the center Few three marginal zones；Aerial coil, is arranged at the metallic plate, and the aerial coil covers at least a portion of the center.
- 2. antenna assembly according to claim 1, it is characterised in that at least one marginal zone is located at the aerial coil bag Inside the open area enclosed, at least one marginal zone is located at outside the open area of aerial coil encirclement.
- 3. antenna assembly according to claim 2, it is characterised in that the face of the marginal zone inside the open area Product and the area equation of the marginal zone outside the open area.
- 4. antenna assembly according to claim 1, it is characterised in that the whole center of the aerial coil covering, institute At least a portion that aerial coil also covers one of marginal zone is stated, and is not intersected with other marginal zones.
- 5. antenna assembly according to claim 1, it is characterised in that in the aerial coil, cover leading for the through hole The width of line is more than the width for the conducting wire for covering the metallic plate beyond the through hole.
- 6. antenna assembly according to claim 1, it is characterised in that the first edge area at least three marginal zone Area or length be more than other marginal zones, the aerial coil covers the first edge area.
- 7. antenna assembly according to claim 1, it is characterised in that the second edge area at least three marginal zone It is more than other marginal zones with the area of the 3rd marginal zone, one in the second edge area and the 3rd marginal zone is located at the day Inside the open area that line coil surrounds, another is located at outside the open area of aerial coil encirclement.
- 8. antenna assembly according to claim 1, it is characterised in that the aerial coil covers the part of the center For straight flange, in addition to the part for covering the center, the remainder of the aerial coil is arc.
- 9. a kind of electronic equipment, it is characterised in that including antenna assembly described in any item of the claim 1 to 8.
- 10. electronic equipment according to claim 9, it is characterised in that the metallic plate for the electronic equipment rear shell, Middle shell or pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721302070.8U CN207368220U (en) | 2017-09-30 | 2017-09-30 | Electronic equipment and its antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721302070.8U CN207368220U (en) | 2017-09-30 | 2017-09-30 | Electronic equipment and its antenna assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368220U true CN207368220U (en) | 2018-05-15 |
Family
ID=62346967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721302070.8U Expired - Fee Related CN207368220U (en) | 2017-09-30 | 2017-09-30 | Electronic equipment and its antenna assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207368220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222580A1 (en) * | 2021-04-19 | 2022-10-27 | 荣耀终端有限公司 | Electronic device |
-
2017
- 2017-09-30 CN CN201721302070.8U patent/CN207368220U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222580A1 (en) * | 2021-04-19 | 2022-10-27 | 荣耀终端有限公司 | Electronic device |
| CN115693146A (en) * | 2021-04-19 | 2023-02-03 | 荣耀终端有限公司 | Electronic device |
| EP4203182A4 (en) * | 2021-04-19 | 2024-04-03 | Honor Device Co., Ltd. | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20210930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |