CN103730731A - Antenna device and wireless communication device - Google Patents
Antenna device and wireless communication device Download PDFInfo
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- CN103730731A CN103730731A CN201210390826.4A CN201210390826A CN103730731A CN 103730731 A CN103730731 A CN 103730731A CN 201210390826 A CN201210390826 A CN 201210390826A CN 103730731 A CN103730731 A CN 103730731A
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Abstract
The invention provides an antenna device and a wireless communication device. The antenna device is applied to the wireless communication device. The wireless communication device comprises an upper cover, a base and a rotating shaft. The rotating shaft is connected with the upper cover and the base. The upper cover can perform reciprocating opening and closing relative to the base. The antenna device comprises a radiation module and a metal blocking wall. The radiation module is arranged in the upper cover or the rotating shaft and is in linkage with the upper cover to send or receive radio frequency signals. The metal blocking wall is formed on the base and is located in a region which is a specific distance away from the radiation module. The wireless communication device can adaptively switch radiation field patterns of the antenna device according to the operation environment of a notebook computer and adjust the divergent directions of radiation energy, thereby maintaining the normal operation of the upper cover in the opening process and improving the radiation efficiency of the upper cover in the closing process so as to meet requirements of wireless communication in different operation modes.
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, adjusts the direction of dispersing of emittance, to meet antenna assembly and the radio communication device of the wireless communication needs under different operation modes.
Background technology
The electronic product with radio communication function, as notebook computer, flat computer etc., is launched or is received radio wave by antenna, to transmit or to exchange radio signal, and then accessing wireless network.Therefore,, in order to allow user can access more easily cordless communication network, known technology has developed different antennas, to increase as much as possible bandwidth in tolerance band, reduces size simultaneously.Yet the design of traditional antenna is only optimized for fixing operation state conventionally, when mode of operation is not for fixedly time, often cannot all obtain good antenna performance at each mode of operation.
For instance, notebook computer is consisted of base and upper cover, and base is provided with main frame, and upper cover includes screen.Generally speaking, the operating environment that the antenna of notebook computer is opened after upper cover with user designs.When closing entire upper cover, user carries out some network function (as download file, data, or operational network sequential operation), or notebook computer is may switch to flat computer operator scheme by special rotating shaft time in some application, 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 materials such as metal or carbon fibers, and for the operating environment of closing entire upper cover, do not design, therefore, when closing entire upper cover execution network function, may affect radiation efficiency because of screen effect.Improve this problem, need on the housing of notebook computer, change the material that adopts plastics or unshielded effect in the position corresponding to antenna.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, how under each operator scheme, maintaining wireless efficiency also just becomes one of target that industry makes great efforts.
Thereby, 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 under multiple modes of operation, maintain wireless efficiency.
The present invention discloses a kind of antenna assembly, this antenna assembly is 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 reciprocally opened entire with respect 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 reception one radiofrequency signal; And a metal barricade, this metal barricade is formed on this base and 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 with respect to this base; One antenna assembly, this antenna assembly comprises: a Radiation Module, this Radiation Module is arranged in this upper cover or this rotating shaft, and this Radiation Module and this upper cover interlock are used for sending or reception one radiofrequency signal; And a metal barricade, this metal barricade is formed on this base and 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 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 reception one radiofrequency signal; And a metal barricade, this metal barricade is formed in this radio communication device and the region of this Radiation Module at a distance of a specific range.
The present invention can be according to the operating environment of notebook computer, the radiation pattern of switch antenna device adaptively, adjust the direction of dispersing of emittance, normal running while maintaining by this upper cover unlatching, radiation efficiency when promoting upper cover simultaneously and closing, to meet the wireless communication needs under different operation modes.
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 side cut-away view that the notebook computer of Fig. 1 is relevant to an antenna assembly while closing an entire upper cover.
The notebook computer that Fig. 2 B is respectively Fig. 1 is relevant to the side cut-away view of an antenna assembly while opening a upper cover.
Fig. 3 A to Fig. 3 C is the schematic diagram that is applicable to three kinds of multi-form slot antennas of an antenna assembly in Fig. 1.
Fig. 4 is the voltage standing wave ratio schematic diagram that is relevant to the antenna assembly in Fig. 1.
Fig. 5 A, Fig. 5 B, Fig. 6 A and Fig. 6 B are relevant to an antenna assembly in Fig. 1 radiation pattern figure under different frequency.
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, the schematic diagram of the notebook computer 10 that Fig. 1 is the embodiment of the present invention.Notebook computer 10 includes a upper cover 100, a base 102, a rotating shaft 104 and an antenna assembly 106.Upper cover 100 comprises screen, camera etc., and base 102 comprises keyboard, Trackpad, main frame, expansion interface etc., and both are connected by rotating shaft 104, make upper cover 100 reciprocally open entire with respect to base 102.Antenna assembly 106 includes a Radiation Module 200, a 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 located in base 102, but this one of is embodiment, is not limited to this.Antenna assembly 106 can switch its field pattern direction adaptively according to the operator scheme of notebook computer 10, to guarantee the normal operation of radio communication.
Specifically,, please continue to refer to Fig. 2 A and Fig. 2 B, Fig. 2 A and Fig. 2 B are respectively the side cut-away view that is relevant to antenna assembly 106 when notebook computer 10 closes entire upper cover 100 and opens upper cover 100.As shown in Figure 2 A and 2 B, Radiation Module 200 is arranged in rotating shaft 104, and with the entire interlock of opening of upper cover 100, in order to send or received RF signal.Metal barricade 202 is coupled to an end systematically of notebook computer 10, and it is formed on base 102 with Radiation Module 200 at a distance of a region apart from 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, by Metal Contact mode, be electrically connected Radiation Module 200 and metal barricade 202, and when upper cover 100 is opened, disconnect the link of Radiation Module 200 and metal barricade 202.In simple terms, 200 distance d of metal barricade 202 and Radiation Module, when upper cover 100 covers (angle that is 102 of upper cover 100 and bases is substantially equal to 0), metal connecting piece 204 meeting contacting metal barricades 202, are electrically connected metal barricade 202 and Radiation Module 200; Otherwise when upper cover 100 is opened (angle that is 102 of upper cover 100 and bases is greater than 0), metal connecting piece 204 can 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, be that both projections are roughly overlapping in the projection result of a vertical plane, now, metal barricade 202 is similar to a part for a reflecting plate or a plate aerial, thereby can increase the emittance of base 102 rears (direction by metal barricade 202 to Radiation Module 200).Different from reflecting plate or plate aerial, metal barricade 202 can be connected by metal connecting piece 204 with Radiation Module 200, by this, can act on by the ground connection of metal barricade 202, promotes the low frequency characteristic of Radiation Module 200.Hence one can see that, when upper cover 100 covers, even if the material that upper cover 100 has shield effectiveness with metal or carbon fiber etc. is made, or upper cover 100 does not arrange plastic window, because metal barricade 202 can be by emittance guide seats 102 rears, so 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 mainly dispersed by 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 switch radiation pattern, adjust the direction of dispersing of emittance, normal running while maintaining by this upper cover 100 unlatching, radiation efficiency when promoting upper cover 100 simultaneously and closing, to meet the wireless communication needs under different operation modes.
Should be noted, Fig. 1 and Fig. 2 A, Fig. 2 B are embodiments of the invention, and those of ordinary skill in the art should make different modifying according to this, and is not limited to this.For instance, notebook computer 10 is in order to concept of the present invention to be described, but is not limited to this, and every radio communication device of carrying out radio communication function is all applicable to the present invention, just need carry out moderate modification according to range of application; For example, if applied radio communication device is a flat computer, the set-up mode of antenna assembly 106 in the time of can closing 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, specific direction so can lead emittance, avoid being subject to the screening effect of screen or housing, these embodiment by Fig. 2 A are applied to flat computer 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 to this, designer should be required according to system, selects suitable antenna form, and appropriateness is adjusted antenna area, size, material, set-up mode, position etc.For instance, 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 Radiation Module 200 be set stepped mode, and 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 wear on a sheet metal.When adopting the slot antenna design Radiation Module 200 of Fig. 3 A to Fig. 3 C, through appropriateness, adjust antenna area, size etc., can obtain voltage standing wave ratio schematic diagram as shown in Figure 4.Further, can measure radiation pattern figure and learn the effect of metal barricade 202, for example, Fig. 5 A for the test condition of continuity Fig. 4 and while removing metal barricade 202 at the radiation pattern figure of 2.442GHz, the test condition that Fig. 5 B is continuity Fig. 4 and while increasing metal barricade 202 at the radiation pattern figure of 2.442GHz, Fig. 6 A for the test condition of continuity Fig. 4 and while removing metal barricade 202 at the radiation pattern figure of 5.47GHz, the test condition that Fig. 6 B is continuity Fig. 4 and while increasing metal barricade 202 at the radiation pattern figure of 5.47GHz.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 of 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 by increasing metal barricade 202, the specific direction that can effectively emittance be led, can meet the wireless communication needs under different operation modes by this simultaneously.
In addition, in antenna assembly 106, metal barricade 202 can be the combination of single sheet metal or a plurality of sheet metals, also can coordinate outward appearance or other demands, adjusts its shape, size, material etc.The schematic diagram of the metal barricade 70 that for instance, Fig. 7 is the embodiment of the present invention.Metal barricade 70 can be realized the metal barricade 202 in antenna assembly 106, and it includes a plurality of slotted eyes, and those slotted eye coupled systems dispel the heat required and cut a hole and wear, but are not limited to this.On the other hand, metal barricade 202 collocation Radiation Modules 200, to adjust radiation direction or the mode of Radiation Module 200, for reaching this object, except adjusting the shape, size, material, position etc. of metal barricade 202, the also set-up mode of capable of regulating Radiation Module 200, as angle, bearing of trend etc. are set, 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 functions are to close when entire and link Radiation Module 200 and metal barricade 202 at upper cover 100, strengthen the radiation effect of Radiation Module 200 when entire to close at upper cover 100.Yet in certain embodiments, also removable metal connecting piece 204, that is Radiation Module 200 and metal barricade 202 maintain identical relativeness, as roughly overlapping or not overlapping, viewing system application is required.
In addition, the implementation of metal connecting piece 204 is unlimited.For instance, metal connecting piece 204 is not limited to be arranged on upper cover 100 and fixes to be electrically connected with Radiation Module 200; In other embodiments, metal connecting piece 204 also can be arranged on base 102 and fix 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 by material or the assembly with elasticity or resiliency, as spring, conducting foam etc.; 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 to say, take 5 degree as example, when the angle of upper cover 100 and metal barricade 202 is less than 5 while spending, there is flexible metal connecting piece 204 and can start to be electrically connected upper cover 100 and metal barricade 202, and by its elastic reaction, can not affect that closing of upper cover 100 is entire and to make the complete laminating metal of upper cover 100 barricade 202(be that both angles are 0 degree).
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, for the extended structure (as trip, grab etc.) of upper cover 100 or base 102, may be also the structure that is independent of upper cover 100 and base 102, and be not limited to this.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, with the entire interlock of opening of upper cover 100, be located in upper cover 100, rotating shaft 104, outside rotating shaft 104 or be independent of outside upper cover 100 and rotating shaft 104 all unlimited as for it.
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 to this, and rotating shaft 104 can also comprise two sub-rotating shafts, is located at respectively the both sides of upper cover 100 belows, 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 conventionally, when mode of operation is not for fixedly time, often cannot all obtain good antenna performance at each mode of operation.By contrast, the present invention can be according to the operating environment of notebook computer, the radiation pattern of switch antenna device adaptively, adjust the direction of dispersing of emittance, normal running while maintaining by this upper cover unlatching, radiation efficiency when promoting upper cover simultaneously and closing, to meet the wireless communication needs under different operation modes.
The foregoing is only preferred embodiment of the present invention, every equivalent variations of doing according to the scope of the claims in the present invention book and modification, all should belong to covering scope of the present invention.
Claims (24)
1. an antenna assembly, this antenna assembly is 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, this upper cover is reciprocally opened entire with respect to this base, and this antenna assembly comprises:
One Radiation Module, this Radiation Module is arranged in this upper cover or this rotating shaft, and this Radiation Module and this upper cover interlock are used for sending or reception one radiofrequency signal; And
One metal barricade, this metal barricade is formed on this base and the region of this Radiation Module at a distance of a specific range.
2. antenna assembly as claimed in claim 1, this antenna assembly also comprises:
One metal connecting piece, this metal connecting piece is used for according to an angle of 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.
3. antenna assembly as claimed in claim 2, wherein, when this angle of this upper cover and this base is less than or equal to this preset value, this upper cover and this base projection are roughly overlapping in the projection result of a vertical plane.
4. antenna assembly as claimed in claim 2, 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.
5. antenna assembly as claimed in claim 2, 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.
6. antenna assembly as claimed in claim 1, wherein this Radiation Module comprises a sheet metal, is formed with a slotted eye or this Radiation Module meets a planar inverted-F antenna on this sheet metal.
7. antenna assembly as claimed in claim 1, wherein this metal barricade is formed with a plurality of slotted eyes.
8. antenna assembly as claimed in claim 1, wherein this metal barricade is also coupled to a ground end of this radio communication device.
9. antenna assembly as claimed in claim 1, the set-up mode that wherein this Radiation Module is arranged in this upper cover or this rotating shaft is relevant to the position that this metal barricade is positioned at this base.
10. 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 with respect 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, and this Radiation Module and this upper cover interlock are used for sending or reception one radiofrequency signal; And
One metal barricade, this metal barricade is formed on this base and the region of this Radiation Module at a distance of a specific range.
11. radio communication devices as claimed in claim 10, wherein this antenna assembly also comprises:
One metal connecting piece, this metal connecting piece is used for according to an angle of 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.
12. radio communication devices as claimed in claim 11, wherein, when this angle of this upper cover and this base is less than or equal to this preset value, this upper cover and this base projection are roughly overlapping in the projection result of a vertical plane.
13. radio communication devices as claimed in claim 11, 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.
14. radio communication devices as claimed in claim 11, 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.
15. radio communication devices as claimed in claim 10, wherein this Radiation Module comprises a sheet metal, is formed with a slotted eye or this Radiation Module meets a planar inverted-F antenna on this sheet metal.
16. radio communication devices as claimed in claim 10, wherein this metal barricade is formed with a plurality of slotted eyes.
17. radio communication devices as claimed in claim 10, wherein this metal barricade is also coupled to a ground end of this radio communication device.
18. radio communication devices as claimed in claim 10, the set-up mode that wherein this Radiation Module is arranged in this upper cover or this rotating shaft is relevant to the position that this metal barricade is positioned at this base.
19. radio communication devices as claimed in claim 10, this radio communication device is a notebook computer.
20. 1 kinds of antenna assemblies, this antenna assembly is for a radio communication device, and this antenna assembly comprises:
One Radiation Module, this Radiation Module is arranged in this radio communication device, is used for sending or reception one radiofrequency signal; And
One metal barricade, this metal barricade is formed in this radio communication device and the region of this Radiation Module at a distance of a specific range.
21. antenna assemblies as claimed in claim 20, wherein this Radiation Module comprises a sheet metal, is formed with a slotted eye or this Radiation Module meets a planar inverted-F antenna on this sheet metal.
22. antenna assemblies as claimed in claim 20, wherein this metal barricade is formed with a plurality of slotted eyes.
23. antenna assemblies as claimed in claim 20, wherein this metal barricade is also coupled to a ground end of this radio communication device.
24. antenna assemblies as claimed in claim 20, the set-up mode that wherein this Radiation Module is arranged in this radio communication device is relevant to the position that this metal barricade is arranged in this radio communication device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210390826.4A CN103730731B (en) | 2012-10-15 | 2012-10-15 | Antenna assembly and radio communication device |
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| CN201210390826.4A CN103730731B (en) | 2012-10-15 | 2012-10-15 | Antenna assembly and radio communication device |
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| CN103730731A true CN103730731A (en) | 2014-04-16 |
| CN103730731B CN103730731B (en) | 2016-01-06 |
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| CN110571507A (en) * | 2018-06-05 | 2019-12-13 | 宏碁股份有限公司 | mobile device and antenna structure thereof |
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