CN202797263U - GPRS (General Packet Radio Service) antenna and electronic device - Google Patents
GPRS (General Packet Radio Service) antenna and electronic device Download PDFInfo
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- CN202797263U CN202797263U CN 201220134041 CN201220134041U CN202797263U CN 202797263 U CN202797263 U CN 202797263U CN 201220134041 CN201220134041 CN 201220134041 CN 201220134041 U CN201220134041 U CN 201220134041U CN 202797263 U CN202797263 U CN 202797263U
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- band unit
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Abstract
A GPRS antenna comprises a medium substrate and an antenna conductor arranged on the medium substrate. The antenna conductor comprises a first resonance frequency range unit, a second resonance frequency range unit, an antenna ground and a short circuit coupling unit. The first resonance frequency range unit and the second resonance frequency range unit share a feeding point. The short circuit coupling unit is connected to the antenna ground. The lengths of the first resonance frequency range unit and the second resonance frequency range unit are respectively approximately one fourth of the wavelengths of the corresponding resonance frequency ranges. An innovative design is achieved by making full use of the structural feature of a set-top box card insertion part and selecting a suitable antenna type. The inner structure of a conventional electronic device is not modified. By making the antenna arranged inside and selecting an optimum antenna built-in position, coupled with the antenna type selecting design and the low-loss antenna medium substrate, the GPRS antenna enables basically the same effects as an external antenna does after being arranged inside. The utility model further provides an electronic device applying the GPRS antenna.
Description
Technical field
The utility model relates to the GPRS antenna, more particularly, relates to a kind of electronic installation that is built in the interior double frequency GPRS antenna of electronic installation, uses this 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 electronic installation, 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 case of electronic device, thereby improves on the whole the attractive in appearance and profile of electronic installation, this also the market tight demand cause built-inization of external antenna.
But, make the external antenna design of electronic installation into the internally-arranged type antenna, because each circuit module and mechanism arrange and finalize the design in the electronic installation, can not revise for built-inization of antenna each circuit module and mechanism's setting in the whole electronic installation, if built-in antenna and change circuit design in the electronic installation, 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 each research and development dealer can not receive.Therefore, existing electronic installation internal structure etc. is not being made any modification, and after making built-in antenna, not arranged by each circuit module and mechanism affects, and is the technical barrier that present antenna dealer faces.
The utility model content
The utility model technical solution problem is, after built-in antenna is in electronic housings, 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, the utility model provides a kind of internally-arranged type GPRS antenna of customization.
A kind of 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 resonance band of described the first resonance band unit is 880MHz～960MHz; The resonance band of the second resonance band unit is 1710MHz～1880MHz.
Further, offer an opening on the described GPRS antenna.
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.
Further, movable connection is provided for a lid of the described window of capping on the housing in the described window outside.
A kind of electronic installation that comprises the described GPRS antenna of claim, described electronic installation also comprises a housing and is subjected to card structure, described GPRS antenna arranges on the inboard of described housing, offer a window on housing corresponding to described GPRS antenna, offer the corresponding setting with described window of opening on the described GPRS antenna.
With respect to existing GPRS antenna, taking full advantage of the electronic installation inner structural features selects suitable antenna type to do innovative design, existing electronic installation internal structure etc. is not being made any modification, by with the GPRS built-in antenna, in the inner position of selecting best GPRS antenna of electronic installation, in conjunction with GPRS antenna Selection and Design and low-loss GPRS antenna medium substrates, so that behind the GPRS built-in antenna, the efficient of GPRS antenna and external GPRS antenna effect are basic identical.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the first view with the illustrative electronic installation of built-inization double frequency GPRS antenna according to an embodiment of the present utility model;
Fig. 2 is the second view with the illustrative electronic installation of built-inization double frequency GPRS antenna shown in Figure 1;
Fig. 3 is the illustraton of model that comprises the illustrative electronic installation of built-inization double frequency GPRS antenna according to the utility model electronic installation;
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 electronic installation of built-inization double frequency GPRS antenna according to another embodiment of the present utility model;
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 utility model, numerous details have been mentioned in the following detailed description.But it should be appreciated by those skilled in the art that the utility model 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 whole electronic installation.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 and the second view with the illustrative electronic installation of built-inization double frequency GPRS antenna according to an embodiment of the present utility model.Electronic installation 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 two limits of described opening 12 are centered on by described GPRS antenna 11.In the present embodiment, at least two limits of described opening 12 are centered on by described GPRS antenna 11.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, electronic installation 100 of the present utility model will take the satellite television set-top box as example, describe in detail and introduce content of the present utility model.Be subjected to card structure 40 that a SIM card draw-in groove 41 is set, described SIM card 42 is not positioned in the draw-in groove 41 by described window 30 and opening 12.The described GPRS antenna of ingenious like this selection is arranged in case of electronic device and combines with the satellite television set-top box demand of this enforcement, so that Antenna Design satisfies the overall design demand, around module card, be the layout circuit plate simultaneously, therefore avoid the factors such as electromagnetic interference puzzlement.Certainly in other electronic equipments, in order to cooperate the integrated demand of electronic installation, described 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 the utility model electronic installation 100: such as GPRS communication module, GPRS communication device etc.
Seeing also Fig. 3, is the illustrative electronic installation illustraton of model of double frequency GPRS antenna and the double frequency GPRS Antenna Design schematic diagram that comprises built-inization according to the utility model electronic installation.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.
Antenna conductor 7 comprises the first resonance band unit HGA, the second resonance band unit HGEF, antenna ground MN and short circuit matching unit BCD, and described the first resonance band unit HGA and the second resonance band unit HGEF share a distributing point H; The length of described the first resonance band unit HGA and the second resonance band unit HGEF is approximately respectively the quarter-wave length of corresponding resonance band.The common segment HG of described the first resonance band unit HGA and the second resonance band unit HGEF is vertically installed in the GA section of described the first resonance band unit; The EF section of the second resonance band unit HGEF is set in parallel in common segment HG.
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 the illustraton of model with the illustrative electronic installation of built-inization double frequency GPRS antenna and described built-inization double frequency GPRS Antenna Design schematic diagram according to another embodiment of the present utility model.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.
Antenna conductor 7 comprises the first resonance band unit GHABCD, the second resonance band unit GHEF, antenna ground MN and short circuit matching unit AL, and described the first resonance band unit GHABCD and the second resonance band unit GHEF share a distributing point G; The length of described the first resonance band unit GHABCD and the second resonance band unit GHEF is approximately respectively the quarter-wave length of corresponding resonance band.Described short circuit matching unit AL is connected to antenna ground MN.Form the groove structure 91 of a bending between common segment HG, the antenna ground MN of described the first resonance band unit GHABCD and the second resonance band unit GHEF and the short circuit matching unit AL three; The earth terminal J of one antenna ground MN is set in described groove structure 91 exits.
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 electronic installation of the present utility model.
The design of the medium substrate of 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 electronic installation internal structure etc. is not being made any modification, by with the GPRS built-in antenna, select the position of best GPRS antenna at the interior location of electronic installation, 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.
The above is described embodiment of the present utility model by reference to the accompanying drawings; but the utility model 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 utility model; not breaking away from the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (10)
1. a GPRS antenna is characterized in that, comprising:
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.
2. GPRS antenna according to claim 1 is characterized in that, the resonance band of described the first resonance band unit is 880MHz～960MHz; The resonance band of the second resonance band unit is 1710MHz～1880MHz.
3. GPRS antenna according to claim 2 is characterized in that, offers an opening on the described GPRS antenna.
4. according to claim 2 or 3 described GPRS antennas, it is characterized in that described medium substrate is worked under the 1GHz frequency, have≤0.0002 electrical loss tangent amount.
5. GPRS antenna 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. GPRS antenna 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. GPRS antenna 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. GPRS antenna according to claim 7 is characterized in that, described short circuit matching unit extends the described distributing point of connection.
9. GPRS antenna according to claim 8 is characterized in that, movable connection is provided for a lid of the described window of capping on the housing in the described window outside.
10. electronic installation that comprises the described GPRS antenna of claim 1-8, it is characterized in that, described electronic installation also comprises a housing and is subjected to card structure, described GPRS antenna arranges on the inboard of described housing, offer a window on housing corresponding to described GPRS antenna, offer the corresponding setting with described window of opening on the described GPRS antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220134041 CN202797263U (en) | 2012-03-31 | 2012-03-31 | GPRS (General Packet Radio Service) antenna and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220134041 CN202797263U (en) | 2012-03-31 | 2012-03-31 | GPRS (General Packet Radio Service) antenna and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797263U true CN202797263U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220134041 Expired - Fee Related CN202797263U (en) | 2012-03-31 | 2012-03-31 | GPRS (General Packet Radio Service) antenna and electronic device |
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| Country | Link |
|---|---|
| CN (1) | CN202797263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367888A (en) * | 2012-03-31 | 2013-10-23 | 深圳光启创新技术有限公司 | Gprs antenna and electronic device |
-
2012
- 2012-03-31 CN CN 201220134041 patent/CN202797263U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367888A (en) * | 2012-03-31 | 2013-10-23 | 深圳光启创新技术有限公司 | Gprs antenna and electronic device |
| CN103367888B (en) * | 2012-03-31 | 2017-12-22 | 深圳光启创新技术有限公司 | GPRS antenna and electronic installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20210331 |