CN103367862A - Built-in type GPRS antenna and set top box device - Google Patents
Built-in type GPRS antenna and set top box device Download PDFInfo
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- CN103367862A CN103367862A CN2012100931428A CN201210093142A CN103367862A CN 103367862 A CN103367862 A CN 103367862A CN 2012100931428 A CN2012100931428 A CN 2012100931428A CN 201210093142 A CN201210093142 A CN 201210093142A CN 103367862 A CN103367862 A CN 103367862A
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Abstract
Provided is a set top box device. The set top box device comprises a housing, a GPRS antenna arranged on the inner side of one housing side and a card-receiving structure. The housing part corresponding to the GPRS antenna is provided with a window, and the GPRS antenna part corresponding to the window is provided with an opening. By making full use of the structural feature of the card insertion part of the set top box device, a proper antenna can be applied for innovation. A built-in type GPRS antenna is adopted without any changes in the internal structure of a conventional set top box device and the like. An optimum GPRS antenna position is chosen inside the housing of the set top box device. The GPRS antenna, when arranged inside the set top box device, has the basically same efficiency as an external GPRS antenna due to the combination of the antenna model selecting design and a low-loss antenna medium substrate. The invention further provides the built-in type GPRS antenna.
Description
Technical field
The present invention relates to the GPRS antenna, more particularly, relate to a kind of TV-set top box and internally-arranged type GPRS antenna of internally-arranged type GPRS antenna.
Background technology
GPRS (General Packet Radio Service is called for short GPRS) is a kind of classified data bearer service.Because the GPRS communication is not subjected to the operation distance limit, is particularly suitable for the signals of telecommunication such as city, mountain area and stops serious complex area operation and be widely applied.GPRS communication operating frequency section is 880～960MHz and two frequency ranges of 1710～1880MHz.
Existing GPRS antenna all adopts the externally positioned type antenna to carry out communication, and external antenna is convexly set in the housing outside of TV-set top box, and is damaged because careless touching or child play.Furthermore, along with the market comsupton demand, people's strong desire just external antenna is built in the TV-set top box housing, thereby improves on the whole the attractive in appearance and profile of TV-set top box, this also the market tight demand cause built-inization of external antenna.
But, make the external antenna design of TV-set top box into the internally-arranged type antenna, because each circuit module and mechanism arrange and finalize the design in the TV-set top box, if built-in antenna and change circuit design in the TV-set top box, mechanism design and again for the again die sinking of each organization of electronic housings, the expense of its relevant research and development design will increase considerably, and relevant set-top box research and development dealer can not receive.Therefore, existing TV-set top box internal structure etc. is not being made any modification, and after making the RPRS built-in antenna, not arranged by each circuit module and mechanism affects, and is the technical barrier that present Antenna Design dealer faces.
Summary of the invention
Technical solution problem of the present invention is, after built-in antenna is in the housing of TV-set top box, utilizes better antenna Selection and Design and considers that each circuit module and mechanism arrange in the electronic housings, overcomes the aerial radiation field pattern and receives impact.Therefore, a kind of TV-set top box with internally-arranged type GPRS antenna.
Simultaneously, the invention provides a kind of internally-arranged type GPRS antenna of customization.
A kind of TV-set top box comprises: a housing, the GPRS antenna on the described housing one side shell inboard is set and is subjected to card structure, offer a window on housing corresponding to described GPRS antenna, offer an opening on corresponding described the window's position on the described GPRS antenna.
Further, described GPRS antenna comprises:
One medium substrate,
Be arranged at the antenna conductor on the described medium substrate, described antenna conductor comprises the first resonance band unit, the second resonance band unit, antenna ground and short circuit matching unit, described the first resonance band unit and the second resonance band units shared one distributing point; Described short circuit matching unit is connected to antenna ground; The length of described the first resonance band unit and the second resonance band unit is approximately respectively the quarter-wave length of corresponding resonance band.
Further, the described card structure that is subjected to arranges a draw-in groove.
Further, described medium substrate is worked under the 1GHz frequency, has≤0.0002 electrical loss tangent amount.
Further, described medium substrate comprises a first, a second portion and is used for first and second portion bridge joint all-in-one-piece bridge part; Described first, second portion and bridge part are around described opening setting.
Further, described the first resonance band unit is arranged on the surface of described first and bridge part, and the second resonance band unit is arranged on the surface of described bridge part, is arranged on the surface of described second portion described antenna.
Further, form the groove structure of a bending between common segment, antenna ground and the short circuit matching unit three of described the first resonance band unit and the second resonance band unit; The earth terminal on one antenna ground is set in described groove structure exit.
Further, described short circuit matching unit extends the described distributing point of connection.
A kind of internally-arranged type GPRS antenna comprises:
One medium substrate,
Be arranged at the antenna conductor on the described medium substrate, described antenna conductor comprises the first resonance band unit, the second resonance band unit, antenna ground and short circuit matching unit, described the first resonance band unit and the second resonance band units shared one distributing point; Described short circuit matching unit is connected to antenna ground; The length of described the first resonance band unit and the second resonance band unit is approximately respectively the quarter-wave length of corresponding resonance band;
Also offer an opening on the described GPRS antenna.
Further, described medium substrate comprises a first, a second portion and is used for first and second portion bridge joint all-in-one-piece bridge part, wherein said first and second portion are parallel to each other and are separated by setting, described opening is between first and second portion, and described first, second portion and bridge part are around described opening setting.
Existing TV-set top box internal structure etc. is not being made any modification, by with the GPRS built-in antenna, position at the best GPRS antenna of the set-top box inside person of choosing, in conjunction with antenna Selection and Design and low-loss antenna medium substrates, so that behind the GPRS built-in antenna, the efficient of GPRS antenna and external GPRS antenna effect are basic identical, and then under the condition that does not increase cost, realize the optimization of TV-set top box outward appearance.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the first view with the illustrative TV-set top box of built-inization double frequency GPRS antenna according to one embodiment of the invention;
Fig. 2 is the second view with the illustrative TV-set top box of built-inization double frequency GPRS antenna shown in Figure 1;
Fig. 3 is the illustraton of model that TV-set top box comprises the illustrative TV-set top box of built-inization double frequency GPRS antenna according to the present invention;
Fig. 4 is built-inization double frequency GPRS Antenna Design schematic diagram shown in Figure 3;
Fig. 5 is the illustraton of model with the illustrative TV-set top box of built-inization double frequency GPRS antenna according to another embodiment of the present invention;
Fig. 6 is built-inization double frequency GPRS Antenna Design schematic diagram shown in Figure 5;
Fig. 7 is the schematic diagram of a kind of mapped structure of antenna conductor of built-inization double frequency GPRS antenna shown in Figure 5;
Fig. 8 is the schematic diagram of the another kind of mapped structure of antenna conductor of built-inization double frequency GPRS antenna shown in Figure 5.
Embodiment
The present in detail with reference to the accompanying drawings middle embodiment that describes.For complete understanding the present invention, numerous details have been mentioned in the following detailed description.But it should be appreciated by those skilled in the art that the present invention can need not these details and realize.In other embodiments, be not described in detail known method.Process, assembly and circuit are in order to avoid unnecessarily make embodiment fuzzy.
Electronic equipment can have unlimited communicating circuit, and wireless communication line can be used for supporting the radio communication of one or more wireless telecommunications frequency band.For example, wireless communication line can be used in the general packet radio service technology (referred to as General Packet Radio Service), and it is a kind of mobile data services that the gsm mobile telephone user can use.
In order to utilize the demand of the various wireless devices of general packet radio service technological development, complete machine and system provide the functional while of enhancing, constantly are devoted to improve these equipment in size and performance.In order further to accord with the demands of the market, with built-inization of external antenna, to realize the factor such as elegant in appearance of integrated machine top box device.Meanwhile, behind the built-in antenna, the enough signal strength signal intensity between communication period of antenna, the through-put power and the wide band beamwidth of antenna that are fit to that need, but these attributes may consist of challenge to Antenna Design size, Selection and Design.Therefore simultaneously must consider antenna environment for use and object at designing antenna.The electronic equipment that people are using as, GPRS long distance control system, navigation system, satellite television set-top box, GPRS wireless Internet card, GPRS television system etc.
Seeing also Fig. 1 and 2, is the first state with the illustrative TV-set top box of built-inization GPRS antenna and the second view according to one embodiment of the invention.TV-set top box comprises a housing 20, the GPRS antenna 11 on the described housing 20 1 side shell inboards is set and is subjected to card structure 40.Offer a window 30 on the housing 20 of described GPRS antenna 11 correspondences, offer an opening 12 on corresponding described window 30 positions on the described GPRS antenna 11.The mandate card (such as SIM card) that Virtual network operator offers the user respectively by as described in window 30 and opening 12 be positioned over and be subjected in the card structure 40.At least the limit, two sides of described opening 12 is provided with GPRS antenna 11.In the present embodiment, the limit, three sides of described opening 12 is provided with the GPRS antenna.Movable connection arranges a lid 10 on the housing 20 in described window 30 outsides, is used for the described window 30 of capping.
In the present embodiment, TV-set top box 100 of the present invention will take the satellite television set-top box as example, describe in detail and introduce content of the present invention.The card structure 40 that is subjected to of satellite television set-top box arranges a draw-in groove 41, and window 30 and opening 12 were positioned in the draw-in groove 41 as described in described card 42 (offering authorization card of user etc. such as SIM card or operator) passed successively.The described GPRS antenna of ingenious like this selection is arranged in the TV-set top box housing and combines with the satellite television set-top box demand of this enforcement, so that the GPRS antenna of internally-arranged type had both satisfied the overall design demand, around module card, be the layout circuit plate simultaneously again, therefore avoid the factors such as electromagnetic interference puzzlement.Certainly in other electronic equipments, in order to cooperate the integrated demand of TV-set top box, described internally-arranged type GPRS antenna 11 can be applied to comprise the device of GPRS communication module, in GPRS long distance control system, navigation system, GPRS wireless Internet card, the GPRS television system etc.Can comprise other titles at TV-set top box 100 of the present invention: such as GPRS communication module, GPRS communication device etc.
Seeing also Fig. 3, is TV-set top box comprises built-inization according to the present invention the illustrative TV-set top box illustraton of model of double frequency GPRS antenna and double frequency GPRS Antenna Design schematic diagram.Described GPRS antenna 11 comprises a medium substrate 10 and is arranged at a antenna conductor 7 on the described medium substrate 10.
Described medium substrate 10 comprises a first 21, a second portion 22 and is used for first 21 and second portion 22 bridge joint all-in-one-piece bridge parts 23.Wherein said first 21 and second portion 22 are parallel to each other and the setting of being separated by, and described opening 12 is between first 21 and second portion 22, and described first 21, second portion 22 and bridge part 23 arrange around described opening 12.
The parallel common segment HG of the BC section of described short circuit matching unit BCD arranges, and is connected to antenna ground MN to side extension, and its tie point is D.Further, the BC section of short circuit matching unit is extended the described distributing point H of connection to opposite side, and purpose makes the resonance wide frequency band of described the first resonance band unit HGA wider.
In the present embodiment, described the first resonance band unit HGA is arranged on the surface of described first 21 and bridge part 23, and its resonance band is 880MHz-960MHz; The second resonance band unit HGEF is arranged on the surface of described bridge part 23, and its resonance band is 1710MHz-1880MHz.Described antenna ground MN is arranged on the surface of described second portion 22.
See also Fig. 5 and Fig. 6 and be according to another embodiment of the present invention the illustraton of model with the illustrative TV-set top box of built-inization double frequency GPRS antenna and described built-inization double frequency GPRS Antenna Design schematic diagram.GPRS antenna 11 comprises a medium substrate 10 and is arranged at a antenna conductor 7 on the described medium substrate 10.Described antenna conductor 7 type selectings in the present embodiment are different from the antenna conductor 7 among the first embodiment.
Described medium substrate 10 comprises a first 21, a second portion 22 and is used for first 21 and second portion 22 bridge joint all-in-one-piece bridge parts 23.Wherein said first 21 and second portion 22 are parallel to each other and the setting of being separated by, and described opening 12 is between first 21 and second portion 22, and described first 21, second portion 22 and bridge part 23 arrange around described opening 12.
In the present embodiment, described the first resonance band unit GHABCD resonance band is 880MHz-960MHz; The resonance band of the second resonance band unit GHEF is 1710MHz-1880MHz.
In the present embodiment, in order to satisfy the optimization of described built-inization double frequency GPRS antenna performance, go back respectively the GPRS antenna of design of Simulation the 3rd execution mode (as shown in Figure 7) and the 4th execution mode (as shown in Figure 8), also in the applicable TV-set top box of the present invention.
The design of the medium substrate of internally-arranged type GPRS antenna:
In order to reduce the energy loss of antenna element, improve the performance of whole double frequency GPRS antenna, adopt the low dielectric constant and low loss medium substrate, require antenna medium substrates under the 1GHz frequency, to work, have≤0.0002 electrical loss tangent amount.Described medium substrate 10 comprises glass-fiber-fabric, epoxy resin and comprises compound with described epoxy resin generation cross-linking reaction.Described medium substrate first kind execution mode is as follows:
Described medium substrate manufacture craft is as follows: at first, provide an infiltration solution to comprise: the first component includes epoxy resin; The second component comprises the compound with described epoxy resin generation cross-linking reaction; And one or more solvents.Wherein the first component and the second component dispose mixing according to a certain percentage.
Described infiltration solution makes the first component and the second component be adsorbed in the glass-fiber-fabric or on the surface through infiltrating after stirring, with a described glass-fiber-fabric in the described infiltration solution; Then baking is copied described glass-fiber-fabric and is made described one or more solvent evaporates, and makes the first component and the mutual chemical combination of the second component be cross-linked to form prepreg or cured sheets.Prepreg refers to the glass-fiber-fabric of absorption the first component and the second component is copied in the relatively low environment of temperature in baking, and the first component comprises the soft mixture that the chemical combination cross-linking reaction partly occurs for epoxy resin and the second component inclusion compound.Solidfied material refers to the glass-fiber-fabric of absorption the first component and the second component is copied in the relatively high environment of temperature in baking, and the first component comprises the relatively hard mixture that the chemical combination cross-linking reaction partly occurs for epoxy resin and the second component inclusion compound.
In the present embodiment, the glass-fiber-fabric of described infiltration forms semi-solid preparation thing (in the form of sheets) by low-temperature bake, then described semi-solid preparation thing is cut into and cuts out sheet, and it is superimposed and be hot pressed into this and implement described multilayer dielectric substrate (being multilayer layer pressing plate or sheet) according to the thickness needs described multi-disc to be cut out sheet.
In specific embodiment, the compound of described the second component can be selected the copolymer that comprises by polarity macromolecule and non-polar high polymer chemical combination, such as styrene maleic anhydride copolymer.Be understandable that, can all can be used for the copolymer of epoxy resin generation chemical combination cross-linking reaction the prescription composition of present embodiment.The styrene maleic anhydride copolymer of present embodiment wherein, its molecular formula is as follows:
In above-mentioned styrene maleic anhydride copolymer molecular formula, comprise 4 styrene.In other embodiments, can select corresponding molecular weight, as comprising 6,8 styrene or any number in the styrene maleic anhydride copolymer molecular formula.Epoxy resin is the organic high molecular compound that contains two or more epoxide groups in the general reference molecule.
In other embodiment, the mixture that the compound of described the second component can also be selected the cyanate performed polymer or select styrene maleic anhydride copolymer and cyanate performed polymer to mix according to arbitrary proportion.
In specific embodiment, described epoxy resin and styrene maleic anhydride copolymer are prepared according to the ratio of sense value, then add a certain amount of solvent solution-forming.Described epoxy resin and styrene maleic anhydride copolymer hybrid technique adopt conventional equipment to process, such as common agitator and reactor epoxy resin is evenly mixed with styrene maleic anhydride copolymer, thereby the epoxy resin in the described solution is evenly mixed with styrene maleic anhydride copolymer.
In specific embodiment, impel gel in above-mentioned infiltration solution 200-400 time second (selecting 171 ℃ of gel ambient temperatures) by adding certain promoter, promote wherein about the above-mentioned 260 seconds infiltration solution gelatinizing time that (such as 258-260 second or 250-270 second etc.) effect is better.Described promoter can be selected and be included but not limited to tertiary amines, any class in imidazoles and the Boron Trifluoride Ethylamine or mixture between them.
Described one or more solvents can be selected and include but not limited in acetone, butanone, DMF, EGME, the toluene to mix the mixed solvent that forms between any one or the above-mentioned two or more solvent.
In another embodiment, described infiltration solution comprises: the first component comprises epoxy resin; The second component comprises the compound with described epoxy resin generation cross-linking reaction; And one or more solvents.The mixture that the compound of described the second component selects styrene maleic anhydride copolymer and cyanate performed polymer to mix according to arbitrary proportion.Wherein said cyanate performed polymer concentration 75%.Promoter is selected methylimidazole; Described solvent is selected butanone.This execution mode infiltrates solution and specifically fills a prescription such as following table:
Added simultaneously styrene maleic anhydride copolymer and cyanate performed polymer in above-mentioned prescription, the chemical combination cross-linking reaction all can occur with epoxy resin in both.
Existing TV-set top box internal structure etc. is not being made any modification, by with the GPRS built-in antenna, position at the best GPRS antenna of the set-top box inside person of choosing, in conjunction with antenna Selection and Design and low-loss antenna medium substrates, so that behind the GPRS built-in antenna, the efficient of GPRS antenna and external GPRS antenna effect are basic identical, and then under the condition that does not increase cost, realize the optimization of TV-set top box outward appearance.
The above is described embodiments of the invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. TV-set top box, it is characterized in that, comprise: a housing, the GPRS antenna on the described housing one side shell inboard is set and is subjected to card structure, offer a window on housing corresponding to described GPRS antenna, offer an opening on corresponding described the window's position on the described GPRS antenna.
2. TV-set top box according to claim 1 is characterized in that, described GPRS antenna comprises:
One medium substrate,
Be arranged at the antenna conductor on the described medium substrate, described antenna conductor comprises the first resonance band unit, the second resonance band unit, antenna ground and short circuit matching unit, described the first resonance band unit and the second resonance band units shared one distributing point; Described short circuit matching unit is connected to antenna ground; The length of described the first resonance band unit and the second resonance band unit is approximately respectively the quarter-wave length of corresponding resonance band.
3. TV-set top box according to claim 2 is characterized in that, the described card structure that is subjected to arranges a draw-in groove.
4. according to claim 2 or 3 described TV-set top boxes, it is characterized in that described medium substrate is worked under the 1GHz frequency, have≤0.0002 electrical loss tangent amount.
5. TV-set top box according to claim 4 is characterized in that, described medium substrate comprises a first, a second portion and is used for first and second portion bridge joint all-in-one-piece bridge part; Described first, second portion and bridge part are around described opening setting.
6. TV-set top box according to claim 5, it is characterized in that, described the first resonance band unit is arranged on the surface of described first and bridge part, and the second resonance band unit is arranged on the surface of described bridge part, is arranged on the surface of described second portion described antenna.
7. TV-set top box according to claim 5 is characterized in that, forms the groove structure of a bending between common segment, antenna ground and the short circuit matching unit three of described the first resonance band unit and the second resonance band unit; The earth terminal on one antenna ground is set in described groove structure exit.
8. TV-set top box according to claim 7 is characterized in that, described short circuit matching unit extends the described distributing point of connection.
9. an internally-arranged type GPRS antenna is characterized in that, described internally-arranged type GPRS antenna comprises:
One medium substrate,
Be arranged at the antenna conductor on the described medium substrate, described antenna conductor comprises the first resonance band unit, the second resonance band unit, antenna ground and short circuit matching unit, described the first resonance band unit and the second resonance band units shared one distributing point; Described short circuit matching unit is connected to antenna ground; The length of described the first resonance band unit and the second resonance band unit is approximately respectively the quarter-wave length of corresponding resonance band;
Also offer an opening on the described GPRS antenna.
10. internally-arranged type GPRS antenna according to claim 9, it is characterized in that, described medium substrate comprises a first, a second portion and is used for first and second portion bridge joint all-in-one-piece bridge part, wherein said first and second portion are parallel to each other and are separated by setting, described opening is between first and second portion, and described first, second portion and bridge part are around described opening setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210093142.8A CN103367862B (en) | 2012-03-31 | 2012-03-31 | Built-in type GPRS antenna and TV-set top box |
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| CN201210093142.8A CN103367862B (en) | 2012-03-31 | 2012-03-31 | Built-in type GPRS antenna and TV-set top box |
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| CN103367862B CN103367862B (en) | 2017-06-06 |
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Effective date of registration: 20210508 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 18B, building a, CIC international business center, 1061 Xiangmei Road, Futian District, Shenzhen, Guangdong 518034 Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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