CN105811070A - Terminal back cover - Google Patents
Terminal back cover Download PDFInfo
- Publication number
- CN105811070A CN105811070A CN201610284187.1A CN201610284187A CN105811070A CN 105811070 A CN105811070 A CN 105811070A CN 201610284187 A CN201610284187 A CN 201610284187A CN 105811070 A CN105811070 A CN 105811070A
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- China
- Prior art keywords
- terminal
- bonnet
- branch
- radiation
- department
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the invention discloses a terminal back cover. The terminal back cover comprises a main ground part and a radiation part made of metal material, a gap parallel to a short side of the rectangular mobile back cover and filled by an insulation material is arranged between the main ground part and the radiation part, and the main ground part is connected with a ground wire on a terminal main board; the radiation part is used as a radiating body of an antenna of the terminal, the inner surface of the radiation part is provided with a first feed point to connect with a feed wire on the terminal main board; the edge of the radiation part of the terminal back cover is further provided with a first metal route extending to the internal of the terminal and parallel to the inner surface of the radiation part. An antenna system at the terminal back cover provided by the invention is lower in antenna clearance rate requirement and higher in radiation performance.
Description
Technical field
The present invention relates to antenna for mobile phone technical field, particularly relate to a kind of terminal bonnet.
Background technology
In conventional art, along with the requirement of mobile terminal outward appearance and experience is improved constantly by user, mobile phone is increasingly employed metal shell.If but the mode of built-in aerial designs antenna for mobile phone in conventionally, then due to the closure of metal shell, to cause that antenna for mobile phone is easily shielded by metal shell, therefore, need still to design in outer handset antenna for mobile phone, cause that the antenna for mobile phone in conventional art is all often center antenna, annular or slot antenna, generally adopt metal center+plastic rear cover upward wiring form, by filling plastic to breakpoint place or gap place, but all-metal bonnet all do not supported by the mobile phone of above-mentioned metal center+plastic rear cover.
And in order to use all-metal bonnet in conventional art, maximally utilize mobile phone components and parts, then antenna for mobile phone is integrated on all-metal bonnet, and is tuned by switching earth point.Although tentatively meeting the mobile phone metal shell demand to antenna, but it is very inconvenient when tuning the resonant frequency of antenna for mobile phone, the antenna resonant frequency adjustment being limited by underaction (changes gap size, earth point position), the radiance making antenna for mobile phone is relatively weak, limited bandwidth.It is to say, in the Antenna Design of conventional art, the radiance that there is antenna for mobile phone is relatively weak, limited bandwidth.
Summary of the invention
Based on this, relatively weak for solving the radiance that in conventional art mentioned above, antenna for mobile phone exists, band-limited technical problem, spy proposes a kind of terminal bonnet.
A kind of terminal bonnet, for rectangular plate profile structure, it is characterized in that, main ground portion and Department of Radiation including metal material, being provided with the minor face being parallel to described rectangular terminal bonnet and the gap filled by insulant between described main ground portion and Department of Radiation, described main ground portion is connected with the ground wire on terminal mainboard；Described Department of Radiation, as the radiant body of the antenna of described terminal, the inner surface of described Department of Radiation is provided with the first distributing point, is connected with the feed line on terminal mainboard；The edge of the Department of Radiation of described terminal bonnet is additionally provided with and extends to terminal inner and first metal routing parallel with the inner surface of described Department of Radiation.
Wherein in an embodiment, first metal routing includes the second branch of bonnet extension line, the first branch of L-type and L-type, described bonnet extension line is parallel with the minor face of described rectangular terminal bonnet, and the first end is connected with described Department of Radiation, and the second end extends to terminal inner；One end of described first branch is connected with described bonnet extension line, and the first branch of L-type comprises the vertical with described bonnet extension line of this link；One end of described second branch is connected with the second end of described bonnet extension line, and the second branch of L-type comprises the vertical with described bonnet extension line of this link.
Wherein in an embodiment, the link of the first branch of L-type and described bonnet extension line is near described first end, and the first branch of described L-type is relative with the opening direction of the second branch of L-type.
Wherein in an embodiment, the length of the first branch is 7 to 9mm, and described bonnet extension line is 15 to 20mm plus the length sum of described second branch, and the width of the second branch of described bonnet extension line, the first branch of L-type and L-type is 1 to 2mm.
Wherein in an embodiment, the distance being filled with the support portion of insulation, the plane at described first metal routing place and the inner surface of described Department of Radiation between the inner surface of the first metal routing and described Department of Radiation is 5 to 7mm.
Wherein in an embodiment, the inner surface of Department of Radiation is additionally provided with the support portion of insulation, institute's insulative support parts is additionally provided with second metal routing parallel with the inner surface of described Department of Radiation, described second metal routing is parallel with the minor face of described rectangular terminal bonnet, and described second metal routing is provided with the second distributing point on the side end points away from the long limit of described terminal bonnet.
Wherein in an embodiment, the second metal routing length is 9mm.
Additionally, relatively weak for solving the radiance that in conventional art mentioned above, antenna for mobile phone exists, band-limited technical problem, it is also proposed that a kind of terminal.
A kind of terminal, it is characterised in that described terminal includes mainboard and the terminal bonnet as described in claim 6 to 7, and described mainboard is connected with the first distributing point on described terminal bonnet and the second distributing point, and described terminal bonnet is as the antenna of described terminal.
Wherein in an embodiment, the receiver on described mainboard is connected with described first distributing point by the first match circuit, is used for receiving gps signal；Transceiver on described mainboard is connected with described first distributing point by the first match circuit, is used for receiving and launch Wifi2.5G and Bluetooth signal；Transceiver on described mainboard is connected with described second distributing point by the second match circuit, is used for receiving and launch Wifi5.0G signal.
Implement the embodiment of the present invention, will have the advantages that
After have employed above-mentioned terminal bonnet and terminal, when the resonant frequency of the antenna on mobile phone is tuned, the length having only to adjustment metal routing can complete the tuning of the resonant frequency to Terminal antenna system, compared with the tuning manner of the position passing through adjustment earth point in conventional art, the mode of tuning is easier, and the controllability of antenna is higher.
Further, the Antenna Design of above-mentioned terminal bonnet and terminal, compared with the Antenna Design in conventional art, shared space is less, and utilizes the shell radiant body as antenna of metal material, and extends swept area by the metal routing being connected with terminal bonnet, reduce the antenna requirement for headroom simultaneously, the space availability ratio making terminal is greatly increased, and adds volume and the area of antenna radiator, extends bandwidth and the radiance of antenna.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Wherein:
Fig. 1 is the schematic appearance of the terminal using full metal jacket in an embodiment；
Fig. 2 be in an embodiment antenna at the position view of terminal bonnet；
Fig. 3 is the part-structure schematic diagram in an embodiment on the inner surface of a kind of terminal bonnet；
Fig. 4 is S11 parameter (return loss) schematic diagram that the antenna system using aforementioned terminals bonnet in an embodiment is corresponding when the first distributing point feed；
Fig. 5 is S11 parameter (return loss) schematic diagram that the antenna system using aforementioned terminals bonnet in an embodiment is corresponding when the second distributing point feed；
Fig. 6 is the circuit diagram that in an embodiment, the antenna system of a kind of terminal including aforementioned terminals bonnet is corresponding.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Relatively weak for solving the radiance that in conventional art mentioned above, antenna for mobile phone exists, band-limited technical problem, in one embodiment, spy proposes a kind of terminal bonnet.This terminal bonnet is applicable to the terminal of full metal jacket design, and namely the bonnet of terminal and side bound edge are metal material.In the present embodiment, this terminal back-cover can be cell phone back cover, panel computer back-cover etc..Terminal back-cover is combined with terminal protecgulum, can be used as the shell of terminal.Meanwhile, this terminal back-cover is metal material, also serves as the antenna part of this terminal equally.
Concrete, in one embodiment, as it is shown in figure 1, Fig. 1 illustrates a kind of outward appearance of the terminal of a kind of all-metal material.Above-mentioned terminal bonnet 10 is rectangular version type structure, terminal bonnet 10 includes main ground portion 102 and Department of Radiation 104, and main ground portion 102 and Department of Radiation 104 are metal material, the minor face being provided with the terminal bonnet 10 being parallel to above-mentioned rectangle version type structure between main ground portion 102 and Department of Radiation 104 and the gap 106 filled by insulant.
It is to say, as it is shown in figure 1, this terminal bonnet 10 has two long limits and two minor faces.With reference to the orientation in Fig. 1, for left long limit and right long limit, upper minor face and lower minor face, gap 106 is parallel to the upper minor face of terminal bonnet 10, and has run through terminal bonnet 10, in the present embodiment, the gap 106 between main ground portion 102 and the Department of Radiation 104 of metal material is filled by insulant such as plastics.
Above-mentioned main ground portion 10 is connected with the ground wire on terminal mainboard, as the ground connection of mobile phone；The inner surface of Department of Radiation 104 is provided with distributing point S1, as the radiant body of the antenna of terminal.Extend to terminal inner and first metal routing 108 parallel with the inner surface of Department of Radiation 104 as in figure 2 it is shown, the edge of the Department of Radiation 104 of terminal bonnet 10 is additionally provided with.
Preferably, it is filled with insulative support parts between first metal routing 108 and the inner surface of Department of Radiation 104, the such as device such as filling plastic or plastic support frame, first metal routing 108 may be disposed on insulative support parts, parallel with the inner surface of Department of Radiation 104, and one end is connected with the edge of Department of Radiation 104.
That is, the distributing point S1 of terminal antenna is arranged on the Department of Radiation 104 of metal material of the terminal bonnet 10 of metal material, the whole of Department of Radiation 104 of metal material are used equally to aerial radiation, and the first metal routing 108 to terminal inner extension being connected with Department of Radiation edge expands length and the area of antenna, therefore, volume and area compared to the antenna radiator in conventional art, swept area and the volume of the antenna in the present embodiment all add, so that bandwidth is wider, radiation efficiency is higher.
The effect of the first metal routing 108 is phase place and the intensity of the electric current that tuning is transferred on Department of Radiation 104, namely the electric current in the feed circuit on cell phone mainboard is first delivered on Department of Radiation 104, it is being delivered on metal routing 108 by the link of the first metal routing 108 with Department of Radiation 104, so that the area of Department of Radiation 104 and length as radiant body all increase.And electric current is when flowing through metal routing 108, the difference of the shape according to metal routing 108, when electric current is delivered to the distributing point S on Department of Radiation 104 via metal routing 108, phase place and intensity can change because of the difference of metal routing 108, that is, it is possible to by the shape of metal routing 108 and the adjustment of length are realized the tuning to antenna.
In one embodiment, as shown in Figure 3, above-mentioned the second branch 1082 including bonnet extension line 1080, the first branch 1081 of L-type and L-type with the first distributing point S1 metal routing being connected, wherein bonnet extension line 1080 is parallel with the minor face of rectangular terminal bonnet 10, and first end be connected with described Department of Radiation 104, the second end to terminal inner extend；One end of first branch 1081 is connected with bonnet extension line 1080, and the first branch 1081 of L-type comprises the vertical with bonnet extension line 1080 of this link；One end of second branch 1082 is connected with the second end of bonnet extension line 1080, and the second branch 1082 of L-type comprises the vertical with bonnet extension line 1080 of this link.
It is to say, the first branch 1081 of the first metal routing and the second branch 1082 are respectively as first antenna branch and the second antenna branch, it is connected with the Department of Radiation 104 of terminal bonnet 10 each through bonnet extension line 1080.First antenna branch is used for receiving gps signal, and the second antenna branch is used for receiving and launch Wifi2.5G and Bluetooth signal.
Preferably, in one embodiment, the first branch 1081 of above-mentioned L-type and the link of bonnet extension line 1080 are near the first end, and the first branch 1081 of L-type is relative with the opening direction of the second branch 1082 of L-type.
In application scenarios as shown in Figure 3, the extension direction on the long limit of L-type of the first branch 1081 is the left long limit to terminal bonnet 10 vertical with this left long limit, and the extension direction on the long limit of L-type of the second branch 1082 is the right long limit to terminal bonnet 10 vertical with this right long limit.Further, the extension direction on the long limit of L-type of above-mentioned first branch 1081 is parallel with the extension direction on the long limit of L-type of the second branch 1082.As it is shown on figure 3, the first branch 1081 is relatively as the second branch 1082 upper minor face closer to terminal bonnet 10, the junction of the first cabling 1081 and bonnet extension line 1080 is than left long limit closer to terminal bonnet 10 of the second cabling 1081 and bonnet extension line 1080.
Optionally, in one embodiment, the length of the first branch 1081 is 7 to 9mm, and the length sum of bonnet extension line 1080 and the second branch 1082 is 15 to 20mm, and the width of the second branch 1082 of bonnet extension line 1080, the first branch 1081 of L-type and L-type is 1 to 2mm.The distance of the plane at the first metal routing 1080 place and the inner surface of Department of Radiation 104 is 5 to 7mm.
Concrete, when the resonant frequency of antenna for mobile phone is tuned, can be tuned by the length of adjustment the first branch 1081 and the second branch 1082, owing to structure is simpler, therefore only need to by regulating the link position of the length of the first branch 1081 and the second branch 1082 and itself and bonnet extension line 1080, can to the resonant frequency of first antenna branch and the second antenna branch from being adjusted, find the position of the resonant frequency being tuned to the best, compared with the mode adjusting multiple earth point position in conventional art, what tune is more convenient to operate, thus being easier to the resonance frequency tunings of antenna for mobile phone to optimum state, thus also improving radiant intensity, add bandwidth.
The present invention may be simultaneously operated in two main frequencies when the first distributing point S1 is fed, Fig. 4 elaborates the return loss that the antenna of the present invention is corresponding when the first distributing point S1 is fed, its medium frequency 1 correspondence working frequency range of GPS, the frequency 2 correspondence working frequency range of Wifi2.5GHz and bluetooth.
In one embodiment, as shown in Figure 3, the inner surface of Department of Radiation 104 is additionally provided with insulative support parts, edge support portion is additionally provided with second metal routing 110 parallel with the inner surface of Department of Radiation 104, second metal routing 110 is parallel with the minor face of rectangular terminal bonnet 10, and the second metal routing 110 is away from being provided with the second distributing point S2 on the side end points on the long limit of terminal bonnet 10.
Further, the second metal routing 110 length is 9mm.Second metal routing 110, as the third antenna branch of terminal, is connected with the feed line on terminal mainboard by the second distributing point S2, and in the present embodiment, third antenna branch is used for receiving and launch Wifi5.0G signal., Fig. 5 elaborates the return loss that the antenna of the present invention is corresponding when the second distributing point S2 is fed, its medium frequency 3 correspondence working frequency range of Wifi5GHz.
Additionally, relatively weak for solving the radiance that in conventional art mentioned above, antenna for mobile phone exists, band-limited technical problem, in one embodiment, it is also proposed that a kind of terminal.
A kind of terminal, terminal includes mainboard 20 and foregoing terminal bonnet 10, and mainboard 20 is connected with the first distributing point S1 on terminal bonnet 10 and the second distributing point S2, and terminal bonnet 10 is as the antenna of terminal.
Preferably, in one embodiment, as shown in Figure 6, the receiver on mainboard 20 is connected by the first match circuit and the first distributing point S1, is used for receiving gps signal；Transceiver on mainboard 20 is connected by the first match circuit and the first distributing point S1, is used for receiving and launch Wifi2.5G and Bluetooth signal；Transceiver on mainboard 20 is connected by the second match circuit and the second distributing point S2, is used for receiving and launch Wifi5.0G signal.
Implement the embodiment of the present invention, will have the advantages that
After have employed above-mentioned terminal bonnet and terminal, when the resonant frequency of the antenna on mobile phone is tuned, the length having only to adjustment metal routing can complete the tuning of the resonant frequency to Terminal antenna system, compared with the tuning manner of the position passing through adjustment earth point in conventional art, the mode of tuning is easier, and the controllability of antenna is higher.
Further, the Antenna Design of above-mentioned terminal bonnet and terminal, compared with the Antenna Design in conventional art, shared space is less, and utilizes the shell radiant body as antenna of metal material, and extends swept area by the metal routing being connected with terminal bonnet, reduce the antenna requirement for headroom simultaneously, the space availability ratio making terminal is greatly increased, and adds volume and the area of antenna radiator, extends bandwidth and the radiance of antenna.
Above disclosed it is only present pre-ferred embodiments, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to the claims in the present invention with this, still belong to the scope that the present invention contains.
Claims (9)
1. a terminal bonnet, for rectangular plate profile structure, it is characterized in that, main ground portion and Department of Radiation including metal material, being provided with the minor face being parallel to described rectangular terminal bonnet and the gap filled by insulant between described main ground portion and Department of Radiation, described main ground portion is connected with the ground wire on terminal mainboard；Described Department of Radiation, as the radiant body of the antenna of described terminal, the inner surface of described Department of Radiation is provided with the first distributing point, is connected with the feed line on terminal mainboard；The edge of the Department of Radiation of described terminal bonnet is additionally provided with and extends to terminal inner and first metal routing parallel with the inner surface of described Department of Radiation.
2. terminal bonnet according to claim 1, it is characterized in that, described first metal routing includes the second branch of bonnet extension line, the first branch of L-type and L-type, described bonnet extension line is parallel with the minor face of described rectangular terminal bonnet, and first end be connected with described Department of Radiation, the second end to terminal inner extend；One end of described first branch is connected with described bonnet extension line, and the first branch of L-type comprises the vertical with described bonnet extension line of this link；One end of described second branch is connected with the second end of described bonnet extension line, and the second branch of L-type comprises the vertical with described bonnet extension line of this link.
3. terminal bonnet according to claim 2, it is characterised in that the link of the first branch of described L-type and described bonnet extension line is near described first end, and the first branch of described L-type is relative with the opening direction of the second branch of L-type.
4. terminal bonnet according to claim 2, it is characterized in that, the length of described first branch is 7 to 9mm, and described bonnet extension line is 15 to 20mm plus the length sum of described second branch, and the width of the second branch of described bonnet extension line, the first branch of L-type and L-type is 1 to 2mm.
5. the terminal bonnet according to any one of Claims 1-4, it is characterized in that, the distance being filled with insulative support parts, the plane at described first metal routing place and the inner surface of described Department of Radiation between described first metal routing and the inner surface of described Department of Radiation is 5 to 7mm.
6. the terminal bonnet according to any one of Claims 1-4, it is characterized in that, the inner surface of described Department of Radiation is additionally provided with insulative support parts, institute's insulative support parts is additionally provided with second metal routing parallel with the inner surface of described Department of Radiation, described second metal routing is parallel with the minor face of described rectangular terminal bonnet, and described second metal routing is provided with the second distributing point on the side end points away from the long limit of described terminal bonnet.
7. terminal bonnet according to claim 5, it is characterised in that described second metal routing length is 9mm.
8. a terminal, it is characterised in that described terminal includes mainboard and the terminal bonnet as described in claim 6 to 7, and described mainboard is connected with the first distributing point on described terminal bonnet and the second distributing point, and described terminal bonnet is as the antenna of described terminal.
9. terminal according to claim 8, it is characterised in that the receiver on described mainboard is connected with described first distributing point by the first match circuit, is used for receiving gps signal；Transceiver on described mainboard is connected with described first distributing point by the first match circuit, is used for receiving and launch Wifi2.5G and Bluetooth signal；Transceiver on described mainboard is connected with described second distributing point by the second match circuit, is used for receiving and launch Wifi5.0G signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284187.1A CN105811070B (en) | 2016-04-29 | 2016-04-29 | Terminal rear cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610284187.1A CN105811070B (en) | 2016-04-29 | 2016-04-29 | Terminal rear cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105811070A true CN105811070A (en) | 2016-07-27 |
| CN105811070B CN105811070B (en) | 2019-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610284187.1A Active CN105811070B (en) | 2016-04-29 | 2016-04-29 | Terminal rear cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105811070B (en) |
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| CN106453708A (en) * | 2016-10-26 | 2017-02-22 | 深圳众思科技有限公司 | Backshell of terminal, and terminal |
| WO2018120773A1 (en) * | 2016-12-28 | 2018-07-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna device for mobile terminal and mobile terminal |
| CN109449574A (en) * | 2018-11-30 | 2019-03-08 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
| WO2019173982A1 (en) * | 2018-03-14 | 2019-09-19 | 华为技术有限公司 | Antenna assembly and mobile terminal |
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| CN109449574A (en) * | 2018-11-30 | 2019-03-08 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105811070B (en) | 2019-06-11 |
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