CN103730731B - Antenna assembly and radio communication device - Google Patents
Antenna assembly and radio communication device Download PDFInfo
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- CN103730731B CN103730731B CN201210390826.4A CN201210390826A CN103730731B CN 103730731 B CN103730731 B CN 103730731B CN 201210390826 A CN201210390826 A CN 201210390826A CN 103730731 B CN103730731 B CN 103730731B
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Abstract
A kind of antenna assembly and radio communication device.This antenna assembly is used for a radio communication device, this radio communication device comprises a upper cover, a base and a rotating shaft, this rotating shaft links this upper cover and this base, this upper cover is made reciprocally to open entire relative to this base, this antenna assembly comprises: a Radiation Module, this Radiation Module is arranged in this upper cover or this rotating shaft, this Radiation Module and this upper cover interlock, is used for sending or receiving a radiofrequency signal; And a metal barricade, this metal barricade be formed on this base with the region of this Radiation Module at a distance of a specific range.The present invention can according to the operating environment of notebook computer, the radiation pattern of switch antenna device adaptively, what adjust emittance disperses direction, maintain normal running when upper cover is opened by this, promote radiation efficiency when upper cover is closed, to meet the wireless communication needs under different operation modes simultaneously.
Description
Technical field
The present invention relates to a kind of antenna assembly and radio communication device, espespecially a kind of adaptability ground switches radiation pattern, and what adjust emittance disperses direction, to meet antenna assembly and the radio communication device of the wireless communication needs under different operation modes.
Background technology
There is the electronic product of radio communication function, as notebook computer, flat computer etc., launched by antenna or receive radio wave, to transmit or to exchange radio signal, and then accessing wireless network.Therefore, in order to allow user can access cordless communication network more easily, known technology has developed different antennas, to increase bandwidth as much as possible in tolerance band, reduces size simultaneously.But the design of traditional antenna is only optimized for fixing operation state usually, when mode of operation is not for fixing, often cannot all obtain good antenna performance at each mode of operation.
For example, notebook computer is roughly be made up of base and upper cover, and base is provided with main frame, and upper cover includes screen.Generally speaking, the antenna of notebook computer is opened the operating environment after upper cover with user and is designed.Some network function is performed (as download file, data when user closes entire upper cover, or operational network sequential operation), or when in some application, notebook computer can switch to flat computer operator scheme by special rotating shaft, then the operating environment of notebook computer can be transformed into the pattern of closing entire upper cover.In this case, because the housing of notebook computer is made with the material such as metal or carbon fiber, and do not design for the operating environment of closing entire upper cover, therefore, when closing entire upper cover and performing network function, radiation efficiency may be affected because of screen effect.Improve this problem, the position that need correspond to antenna on the housing of notebook computer changes the material adopting plastics or unshielded effect into.Thus, will affect the design sense of outward appearance, emptier hyperplasia is produced and manufacturing cost.
Therefore, for the wireless communications application with multiple modes of operation, under each operator scheme, how to maintain wireless efficiency also just becomes one of target that industry makes great efforts.
Thus, need to provide a kind of antenna assembly and radio communication device to meet the demand.
Summary of the invention
Therefore, the present invention mainly provides a kind of antenna assembly and radio communication device, can maintain wireless efficiency in various operational modes.
The present invention discloses a kind of antenna assembly, this antenna assembly is used for a radio communication device, this radio communication device comprises a upper cover, a base and a rotating shaft, this rotating shaft links this upper cover and this base, make this upper cover reciprocally open entire relative to this base, this antenna assembly comprises: a Radiation Module, and this Radiation Module is arranged in this upper cover or this rotating shaft, this Radiation Module and this upper cover interlock, be used for sending or receiving a radiofrequency signal; And a metal barricade, this metal barricade be formed on this base with the region of this Radiation Module at a distance of a specific range.
The present invention also discloses a kind of radio communication device, and this radio communication device comprises: a upper cover; One base; One rotating shaft, this rotating shaft links this upper cover and this base, makes this upper cover reciprocally open entire relative to this base; One antenna assembly, this antenna assembly comprises: a Radiation Module, and this Radiation Module is arranged in this upper cover or this rotating shaft, this Radiation Module and this upper cover interlock, is used for sending or receiving a radiofrequency signal; And a metal barricade, this metal barricade be formed on this base with the region of this Radiation Module at a distance of a specific range.
The present invention also discloses a kind of antenna assembly, and this antenna assembly is used for a radio communication device, and this antenna assembly comprises: a Radiation Module, and this Radiation Module is arranged in this radio communication device, is used for sending or receiving a radiofrequency signal; And a metal barricade, this metal barricade be formed in this radio communication device with the region of this Radiation Module at a distance of a specific range.
The present invention can according to the operating environment of notebook computer, the radiation pattern of switch antenna device adaptively, what adjust emittance disperses direction, maintain normal running when upper cover is opened by this, promote radiation efficiency when upper cover is closed, to meet the wireless communication needs under different operation modes simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a notebook computer of the embodiment of the present invention.
Fig. 2 A is the cross-sectional side view that the notebook computer of Fig. 1 is relevant to an antenna assembly when closing an entire upper cover.
The notebook computer that Fig. 2 B is respectively Fig. 1 is relevant to the cross-sectional side view of an antenna assembly when opening a upper cover.
Fig. 3 A to Fig. 3 C is the schematic diagram being applicable to the multi-form slot antenna of three kinds an of antenna assembly in Fig. 1.
Fig. 4 is the voltage standing wave ratio schematic diagram of the antenna assembly be relevant in Fig. 1.
Fig. 5 A, Fig. 5 B, Fig. 6 A and Fig. 6 B are the antenna assembly radiation pattern figure be at different frequencies relevant in Fig. 1.
Fig. 7 is the schematic diagram of a metal barricade of the embodiment of the present invention.
Primary clustering symbol description:
10 notebook computers
100 upper covers
102 bases
104 rotating shafts
106 antenna assemblies
200 Radiation Modules
202 metal barricades
204 metal connecting pieces
D distance
70 metal barricades
Embodiment
Please refer to Fig. 1, Fig. 1 is the schematic diagram of a notebook computer 10 of the embodiment of the present invention.Notebook computer 10 includes upper cover 100, base 102, rotating shaft 104 and an antenna assembly 106.Upper cover 100 comprises screen, camera etc., and base 102 then comprises keyboard, Trackpad, main frame, expansion interface etc., and both are connected by rotating shaft 104, make upper cover 100 reciprocally open entire relative to base 102.Antenna assembly 106 includes Radiation Module 200, metal barricade 202 and a metal connecting piece 204; Wherein, Radiation Module 200 and metal connecting piece 204 are located in rotating shaft 104, and metal barricade 202 is then located in base 102, but this is one of embodiment, is not limited thereto.Antenna assembly 106 according to the operator scheme of notebook computer 10, can switch its field pattern direction, adaptively to guarantee the normal operation of radio communication.
Specifically, the cross-sectional side view being relevant to antenna assembly 106 when notebook computer 10 closes entire upper cover 100 and opens upper cover 100 is respectively please continue to refer to Fig. 2 A and Fig. 2 B, Fig. 2 A and Fig. 2 B.As shown in Figure 2 A and 2 B, Radiation Module 200 is arranged in rotating shaft 104, and with upper cover 100 open entire interlock, in order to send or received RF signal.Metal barricade 202 is coupled to one of notebook computer 10 and systematically holds, and it to be formed on base 102 with Radiation Module 200 at a distance of the region of a distance d.In this embodiment, metal connecting piece 204 is formed on upper cover 100, and be electrically connected at Radiation Module 200, be used for when upper cover 100 covers, Radiation Module 200 and metal barricade 202 is electrically connected by Metal Contact mode, and when upper cover 100 is opened, disconnect the link of Radiation Module 200 and metal barricade 202.In simple terms, distance d between metal barricade 202 and Radiation Module 200, when upper cover 100 covers (angle namely between upper cover 100 and base 102 is substantially equal to 0), metal connecting piece 204 meeting contacting metal barricade 202, makes metal barricade 202 and Radiation Module 200 be electrically connected; Otherwise when upper cover 100 opens (angle namely between upper cover 100 and base 102 is greater than 0), metal connecting piece 204 can not contacting metal barricade 202, to disconnect the electric connection of metal barricade 202 and Radiation Module 200.
Therefore, when upper cover 100 covers, Radiation Module 200 and metal barricade 202 are roughly parallel construction, namely the projection result being projected on a vertical plane both is roughly overlapping, now, metal barricade 202 is similar to a part for a reflecting plate or a plate aerial, thus can increase the emittance in base 102 rear (direction by metal barricade 202 to Radiation Module 200).With reflecting plate or plate aerial unlike, metal barricade 202 can be connected by metal connecting piece 204 with Radiation Module 200, and by this, the ground connection by metal barricade 202 act on, the low frequency characteristic of lifting Radiation Module 200.It can thus be appreciated that, when upper cover 100 covers, even if upper cover 100 has made by the material of shield effectiveness with metal or carbon fiber etc., or upper cover 100 does not arrange plastic window, because metal barricade 202 can by emittance guide seats 102 rear, therefore notebook computer 10 still can maintain normal radio communication function.
On the other hand, when upper cover 100 is opened, Radiation Module 200 is no longer connected with metal barricade 202, and emittance is dispersed primarily of the vertical direction of Radiation Module 200.Now, because upper cover 100 is opened, the emittance of Radiation Module 200 can be dispersed toward vertical direction insusceptibly.
From the above, according to the operating environment of notebook computer 10, antenna assembly 106 adaptability ground switches radiation pattern, what adjust emittance disperses direction, maintain normal running when upper cover 100 is opened by this, promote radiation efficiency when upper cover 100 is closed, to meet the wireless communication needs under different operation modes simultaneously.
It is noted that Fig. 1 and Fig. 2 A, Fig. 2 B are embodiments of the invention, those of ordinary skill in the art should make different modifying according to this, and is not limited thereto.For example, notebook computer 10 in order to concept of the present invention to be described, but is not limited thereto, and every radio communication device performing radio communication function is all applicable to the present invention, just need carry out moderate modification according to range of application; Such as, if the radio communication device applied is a flat computer, the set-up mode of antenna assembly 106 when then can close according to the upper cover 100 of the notebook computer 10 in Fig. 2 A, antenna in design flat computer, that is increase metal barricade, and be electrically connected Radiation Module and metal barricade with metal connecting piece, so can lead emittance specific direction, avoid the screening effect by screen or housing, the embodiment of Fig. 2 A is applied to flat computer by these should belong to technology well known in the art.
On the other hand, in antenna assembly 106, Radiation Module 200 is Department of Radiation, its framework can be slot antenna, planar inverted-F antenna etc., and be not limited thereto, designer needed for system, should select suitable antenna form, and appropriateness adjustment antenna area, size, material, set-up mode, position etc.For example, in one embodiment, Radiation Module 200 can be a flat plane antenna, if the region of the arranged Radiation Module 200 in rotating shaft 104 is stepped, can also arrange Radiation Module 200 by step-shaped manner, this should be technology well known in the art.In addition, please refer to Fig. 3 A to Fig. 3 C, Fig. 3 A to Fig. 3 C is three kinds of multi-form slot antennas, and it is formed with an ox horn shape slotted eye or two parallel slotted holes with etching, the cutter mode such as to wear on a sheet metal.When adopting the slot antenna design Radiation Module 200 of Fig. 3 A to Fig. 3 C, through appropriateness adjustment antenna area, size etc., then voltage standing wave ratio schematic diagram as shown in Figure 4 can be obtained.Further, radiation pattern figure can be measured and learn the effect of metal barricade 202, such as, at the radiation pattern figure of 2.442GHz when Fig. 5 A is the test condition of continuity Fig. 4 and removes metal barricade 202, at the radiation pattern figure of 2.442GHz when Fig. 5 B is the test condition of continuity Fig. 4 and increases metal barricade 202, radiation pattern figure when the radiation pattern figure of 5.47GHz, Fig. 6 B are the test condition of continuity Fig. 4 and increase metal barricade 202 at 5.47GHz when Fig. 6 A is the test condition of continuity Fig. 4 and removes metal barricade 202.In Fig. 5 A to Fig. 6 B, dotted line represents the radiation pattern of horizontal direction, and dotted line represents the radiation pattern of vertical direction, and solid line represents the radiation pattern in universe direction.From Fig. 4 to Fig. 6 A, Fig. 6 B, antenna assembly 106 can reach effective bandwidth near 2.4GHz and 5GHz, and simultaneously by increasing metal barricade 202, can effectively lead emittance specific direction, can meet the wireless communication needs under different operation modes by this.
In addition, in antenna assembly 106, metal barricade 202 can be the combination of single sheet metal or multiple sheet metal, also can coordinate outward appearance or other demands, adjust its shape, size, material etc.For example, Fig. 7 is the schematic diagram of a metal barricade 70 of the embodiment of the present invention.Metal barricade 70 can realize the metal barricade 202 in antenna assembly 106, and it includes multiple slotted eye, and the heat radiation of those slotted eye coupled systems is required and cutter is worn, but is not limited thereto.On the other hand, metal barricade 202 is arranged in pairs or groups Radiation Module 200, to adjust radiation direction or the mode of Radiation Module 200, for reaching this object, except the shape, size, material, position etc. of adjustment metal barricade 202, the also set-up mode of adjustable Radiation Module 200, as arranged angle, bearing of trend etc., in other words, the set-up mode of Radiation Module 200 is relevant to the position of metal barricade 202.
Moreover in antenna assembly 106, metal connecting piece 204 major function links Radiation Module 200 and metal barricade 202 when upper cover 100 closes entire, to strengthen the radiation effect of Radiation Module 200 when upper cover 100 closes entire.But, in certain embodiments, also removable metal connecting piece 204, that is Radiation Module 200 maintains identical relativeness with metal barricade 202, as roughly overlapping or not overlapping, needed for viewing system application.
In addition, the implementation of metal connecting piece 204 is unlimited.For example, metal connecting piece 204 is not limited to be arranged on upper cover 100 also fixing to be electrically connected with Radiation Module 200; In other embodiments, metal connecting piece 204 also can be arranged on base 102 also fixing to be electrically connected with metal barricade 202, and in other words, when upper cover 100 covers, metal connecting piece 204 is just electrically connected Radiation Module 200 in Metal Contact mode.In addition, metal connecting piece 204 also can be made up, as spring, conducting foam etc. of the material or assembly with elasticity or resiliency; In this case, metal connecting piece 204 starts to be electrically connected upper cover 100 may be greater than 0 degree with the angle of metal barricade 202, as 5 degree, 10 degree etc.That is, for 5 degree, when upper cover 100 is less than 5 degree with the angle of metal barricade 202, there is flexible metal connecting piece 204 can start to be electrically connected upper cover 100 and metal barricade 202, and by its elastic reaction, closing entire and making upper cover 100 complete laminating metal barricade 202(i.e. both angles be 0 degree of upper cover 100 can not be affected).
In addition, in notebook computer 10, upper cover 100, base 102 and rotating shaft 104 are distinguished each other with its structure, in fact, in some applications, rotating shaft 104 may be the extended structure (as trip, grab etc.) of upper cover 100 or base 102, also may be the structure independent of upper cover 100 and base 102, and be not limited thereto.In this case, Radiation Module 200 may be arranged at upper cover 100 but not rotating shaft 104, in any case, as long as Radiation Module 200 can open entire interlock with upper cover 100, be located in upper cover 100, rotating shaft 104 as it, rotating shaft 104 is outer or independent of all unlimited outside upper cover 100 and rotating shaft 104.
In addition, as shown in Figure 1, rotating shaft 104 is extended by the below of upper cover 100 central authorities, but is not limited thereto, and rotating shaft 104 can also comprise two sub-rotating shafts, is located at the both sides below upper cover 100 respectively, and this is range of application according to the invention also.
In known technology, the design of antenna is only optimized for fixing operation state usually, when mode of operation is not for fixing, often cannot all obtain good antenna performance at each mode of operation.By contrast, the present invention can according to the operating environment of notebook computer, the radiation pattern of switch antenna device adaptively, what adjust emittance disperses direction, maintain normal running when upper cover is opened by this, promote radiation efficiency when upper cover is closed, to meet the wireless communication needs under different operation modes simultaneously.
The foregoing is only preferred embodiment of the present invention, every equivalent variations of doing according to the scope of claims of the present invention and modification, all should belong to covering scope of the present invention.
Claims (17)
1. an antenna assembly, this antenna assembly is used for a radio communication device, and this radio communication device comprises a upper cover, a base and a rotating shaft, and this rotating shaft links this upper cover and this base, and make this upper cover reciprocally open entire relative to this base, this antenna assembly comprises:
One Radiation Module, this Radiation Module is arranged in this upper cover or this rotating shaft, this Radiation Module and this upper cover interlock, is used for sending or receiving a radiofrequency signal;
One metal barricade, this metal barricade to be formed on this base with this Radiation Module at a distance of a region of a specific range; And
One metal connecting piece, this metal connecting piece is used for the angle according to this upper cover and this base, is electrically connected this Radiation Module and this metal barricade;
Wherein, when this angle of this upper cover and this base is greater than a preset value, this metal connecting piece disconnects this Radiation Module and this metal barricade, and when this angle of this upper cover and this base is less than or equal to this preset value, this metal connecting piece is electrically connected this Radiation Module and this metal barricade.
2. antenna assembly as claimed in claim 1, wherein when this angle of this upper cover and this base is less than or equal to this preset value, the projection result that this upper cover and this base are projected on a vertical plane is roughly overlapping.
3. antenna assembly as claimed in claim 1, wherein this metal connecting piece is formed on this and covers, and be electrically connected at this Radiation Module, when this angle of this upper cover and this base is less than or equal to this preset value, this metal connecting piece is electrically connected this metal barricade in Metal Contact mode.
4. antenna assembly as claimed in claim 1, wherein this metal connecting piece is formed on this base, and be electrically connected at this metal barricade, when this angle of this upper cover and this base is less than or equal to this preset value, this metal connecting piece is electrically connected this Radiation Module in Metal Contact mode.
5. antenna assembly as claimed in claim 1, wherein this Radiation Module comprises a sheet metal, this sheet metal is formed with a slotted eye or this Radiation Module meets a planar inverted-F antenna.
6. antenna assembly as claimed in claim 1, wherein this metal barricade is formed with multiple slotted eye.
7. antenna assembly as claimed in claim 1, wherein this metal barricade is also coupled to a ground end of this radio communication device.
8. antenna assembly as claimed in claim 1, wherein this Radiation Module set-up mode be arranged in this upper cover or this rotating shaft is relevant to the position that this metal barricade is positioned at this base.
9. a radio communication device, this radio communication device comprises:
One upper cover;
One base;
One rotating shaft, this rotating shaft links this upper cover and this base, makes this upper cover reciprocally open entire relative to this base;
One antenna assembly, this antenna assembly comprises:
One Radiation Module, this Radiation Module is arranged in this upper cover or this rotating shaft, this Radiation Module and this upper cover interlock, is used for sending or receiving a radiofrequency signal;
One metal barricade, this metal barricade to be formed on this base with this Radiation Module at a distance of a region of a specific range; And
One metal connecting piece, this metal connecting piece is used for the angle according to this upper cover and this base, is electrically connected this Radiation Module and this metal barricade;
Wherein, when this angle of this upper cover and this base is greater than a preset value, this metal connecting piece disconnects this Radiation Module and this metal barricade, and when this angle of this upper cover and this base is less than or equal to this preset value, this metal connecting piece is electrically connected this Radiation Module and this metal barricade.
10. radio communication device as claimed in claim 9, wherein when this angle of this upper cover and this base is less than or equal to this preset value, the projection result that this upper cover and this base are projected on a vertical plane is roughly overlapping.
11. radio communication devices as claimed in claim 9, wherein this metal connecting piece is formed on this and covers, and be electrically connected at this Radiation Module, when this angle of this upper cover and this base is less than or equal to this preset value, this metal connecting piece is electrically connected this metal barricade in Metal Contact mode.
12. radio communication devices as claimed in claim 9, wherein this metal connecting piece is formed on this base, and be electrically connected at this metal barricade, when this angle of this upper cover and this base is less than or equal to this preset value, this metal connecting piece is electrically connected this Radiation Module in Metal Contact mode.
13. radio communication devices as claimed in claim 9, wherein this Radiation Module comprises a sheet metal, this sheet metal is formed with a slotted eye or this Radiation Module meets a planar inverted-F antenna.
14. radio communication devices as claimed in claim 9, wherein this metal barricade is formed with multiple slotted eye.
15. radio communication devices as claimed in claim 9, wherein this metal barricade is also coupled to a ground end of this radio communication device.
16. radio communication devices as claimed in claim 9, wherein this Radiation Module set-up mode be arranged in this upper cover or this rotating shaft is relevant to the position that this metal barricade is positioned at this base.
17. radio communication devices as claimed in claim 9, this radio communication device is a notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210390826.4A CN103730731B (en) | 2012-10-15 | 2012-10-15 | Antenna assembly and radio communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210390826.4A CN103730731B (en) | 2012-10-15 | 2012-10-15 | Antenna assembly and radio communication device |
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| Publication Number | Publication Date |
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| CN103730731A CN103730731A (en) | 2014-04-16 |
| CN103730731B true CN103730731B (en) | 2016-01-06 |
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| CN201210390826.4A Active CN103730731B (en) | 2012-10-15 | 2012-10-15 | Antenna assembly and radio communication device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789823B (en) * | 2016-03-30 | 2019-12-24 | 联想(北京)有限公司 | Electronic equipment |
| CN106684526B (en) * | 2017-01-04 | 2019-01-18 | 常熟市泓博通讯技术股份有限公司 | Electronic device with mixed mode antenna |
| JP6465904B2 (en) * | 2017-01-24 | 2019-02-06 | Ｎｅｃパーソナルコンピュータ株式会社 | Portable information equipment |
| CN108227839B (en) * | 2018-01-09 | 2021-01-26 | 英业达科技有限公司 | Portable electronic device and antenna thereof |
| CN108521060B (en) * | 2018-03-30 | 2020-07-24 | 联想(北京)有限公司 | Connecting piece and electronic equipment |
| CN110571507B (en) * | 2018-06-05 | 2021-01-26 | 宏碁股份有限公司 | Mobile device and antenna structure thereof |
| CN109216868B (en) * | 2018-08-29 | 2021-02-19 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN113725589B (en) * | 2020-05-26 | 2023-01-13 | 华为技术有限公司 | Electronic device |
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