CN203085747U - Bluetooth antenna and Bluetooth communication equipment - Google Patents
Bluetooth antenna and Bluetooth communication equipment Download PDFInfo
- Publication number
- CN203085747U CN203085747U CN 201320040881 CN201320040881U CN203085747U CN 203085747 U CN203085747 U CN 203085747U CN 201320040881 CN201320040881 CN 201320040881 CN 201320040881 U CN201320040881 U CN 201320040881U CN 203085747 U CN203085747 U CN 203085747U
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- bluetooth
- antenna
- bluetooth antenna
- circuit board
- communication equipment
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Abstract
The utility model provides a Bluetooth antenna and Bluetooth communication equipment. The Bluetooth antenna is mainly formed by connecting a plurality of chip capacitors in series, and has excellent performance and low requirements for structure height and cost; and one end of the Bluetooth antenna is grounded, and the requirement for a PCB circuit board clearance zone is between the requirements for the clearance zone of a stamping antenna and a printed antenna, thereby requiring no large area of clearance zone, and facilitating the manufacturing of miniaturized Bluetooth communication equipment.
Description
Technical field
The utility model relates to wireless communication technology field, relates in particular to a kind of Bluetooth antenna and a kind of Bluetooth communication equipment.
Background technology
Bluetooth is the radiotechnics of a kind of support equipment short haul connection (generally being within the 10m), can between equipment, carry out the wireless messages exchange, its working frequency range is the free frequency range of the global communication of 2.4 ~ 2.483GHz, has been widely used in wireless device at present (as PDA, mobile phone, smart phone, cordless telephone), image processing facility (digital camera, printer, scanner), safety product (smart card, identification, bill management, safety inspection), consumption amusement (earphone, MP3, recreation), automobile product (GPS, ABS, dynamical system, air bag), household electrical appliance (television set, refrigerator, roaster, microwave oven, sound equipment), medical body-building, building, fields such as toy.Bluetooth technology allow originally independently digital device can with other equipment networking exchange messages, this makes that the application of Bluetooth technology is openr.
Design at Bluetooth antenna in the prior art is a lot, but concentrates on paster antenna mostly, punching press shell fragment antenna, and printing circuit board antennas etc. are above the traditional antenna.
Above traditional antenna all has drawback, and such as paster antenna, cost is higher; Punching press shell fragment antenna, claimed structure space want big, and cost is also high; The circuit board printed antenna requires circuit board that big empty regions is arranged, and contradicts with the blue tooth products miniaturization.
Therefore, need a kind of new Bluetooth antenna and a kind of Bluetooth communication equipment, to avoid above-mentioned defective.
The utility model content
The purpose of this utility model is to provide a kind of Bluetooth antenna and a kind of Bluetooth communication equipment, reduces the requirement of Bluetooth antenna to circuit board empty regions and structure height.
For addressing the above problem, the utility model provides a kind of Bluetooth antenna, and described Bluetooth antenna is arranged on the empty regions of a PCB circuit board, and the ground of a termination PCB circuit board, the other end connect one and is used for the tuning match circuit of bluetooth frequency range; Described Bluetooth antenna mainly is in series by the patch capacitor more than 3, and the end of each patch capacitor is provided with pad, and described a plurality of patch capacitors are by described pad series connection.
Further, described match circuit is connected with described Bluetooth antenna by microstrip line.
Further, described match circuit is L type match circuit or π type match circuit.
Further, described match circuit mainly is made up of inductance and/or electric capacity.
Further, the described PCB circuit board circuit board that is bluetooth earphone, mobile phone or panel computer.
The utility model also provides a kind of Bluetooth communication equipment, comprises a PCB circuit board and is arranged on one of above-mentioned Bluetooth antenna on the empty regions of described PCB circuit board.
Further, described Bluetooth communication equipment is bluetooth earphone, mobile phone or panel computer.
Compared with prior art, Bluetooth antenna that the utility model provides and Bluetooth communication equipment, described Bluetooth antenna mainly is in series by a plurality of patch capacitors, and excellent performance all requires lower to structure height and cost simultaneously; Described Bluetooth antenna one end ground connection between punching press antenna and printed antenna between the requirement to the headroom district, thereby need not the large tracts of land empty regions to the requirement of PCB circuit board empty regions, is beneficial to the manufacturing of miniaturization Bluetooth communication equipment.
Description of drawings
Fig. 1 is the Bluetooth antenna board structure of circuit schematic diagram of the utility model one embodiment;
Fig. 2 is the circuit theory diagrams of Bluetooth antenna shown in Figure 1;
Fig. 3 is the Bluetooth antenna board structure of circuit schematic diagram of another embodiment of the utility model;
Fig. 4 is the circuit theory diagrams of Bluetooth antenna shown in Figure 3;
Fig. 5 is the Bluetooth antenna board structure of circuit schematic diagram of the another embodiment of the utility model;
Fig. 6 is the circuit theory diagrams of Bluetooth antenna shown in Figure 5.
Embodiment
Core concept of the present utility model is to disclose a kind of Bluetooth antenna and a kind of Bluetooth communication equipment, and described Bluetooth antenna is arranged on the empty regions of a PCB circuit board, and the ground of a termination PCB circuit board, the other end connect one and is used for the tuning match circuit of bluetooth frequency range; Described Bluetooth antenna mainly is in series by the patch capacitor more than 3, and the end of each patch capacitor is provided with pad, and described a plurality of patch capacitors are by described pad series connection.Patch capacitor can be identical, also can be different, and preferred identical.Utilize sense, appearance, the resistive principle of its patch capacitor, realize the Bluetooth communication of excellent performance, all require lower to structure height and cost simultaneously; Described Bluetooth antenna one end ground connection between punching press antenna and printed antenna between the requirement to the headroom district, thereby need not the large tracts of land empty regions to the requirement of PCB circuit board empty regions, is beneficial to the manufacturing of miniaturization Bluetooth communication equipment.
In description of the present utility model, it will be appreciated that, term " on ", close the orientation of indications such as D score, " top ", " end ", " vertically " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, so these terms can not be interpreted as restriction of the present utility model.
For the purpose of this utility model, feature are become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is further described, yet the utility model can be realized with different forms, should not think just to be confined to described embodiment.
Figure 1 shows that the Bluetooth antenna board structure of circuit schematic diagram of the utility model one embodiment; Figure 2 shows that the circuit theory diagrams of Bluetooth antenna shown in Figure 1.
Please refer to Fig. 1 and Fig. 2, present embodiment provides a kind of Bluetooth antenna 11, and described Bluetooth antenna 11 is arranged on the empty regions 100 of PCB circuit board 10, and end connects the ground of PCB circuit board 10, mainly is in series by three patch capacitor C1, C2, C3.Described PCB circuit board can be the circuit main board of portable blue-tooth communication equipments such as bluetooth earphone, mobile phone, panel computer.
In the present embodiment, empty regions 100 is the 3mm(width) * 9mm (length), this zone, this shows between the requirement to the headroom district between punching press antenna and printed antenna, the Bluetooth antenna of this enforcement need not the large tracts of land empty regions, is beneficial to the manufacturing of miniaturization Bluetooth communication equipment.
In the present embodiment, the end of each patch capacitor is equipped with pad, and patch capacitor C1, C2, C3 are the SMT(surface mounting technology, Surface Mounted Technology) in 1.2pF0402 encapsulation patch capacitor commonly used, by described pad series connection.
In the present embodiment, the top of described Bluetooth antenna connects one by microstrip line and is used for tuning match circuit 12.Described match circuit is a π type match circuit, mainly is the π type by three electronic components 121,122,123 and places and be formed by connecting.Three electronic components 121,122,123 can be inductance or electric capacity, can decide according to the frequency range and the tuning requirement of frequency band of actual Bluetooth antenna, the combination of preferred electric capacity and inductance.In the present embodiment, electronic component 121,122 is 3.9nH0402 inductance (as L1, L2 among Fig. 2), and electronic component 123 is 1.2pF0402 electric capacity (as C4 among Fig. 2).
Need to prove, in the present embodiment in order to show the relation of Bluetooth antenna 11 and PCB circuit board 10 better, other printed circuit and device are not shown among Fig. 1 on the PCB circuit board 10, be not shown specifically the connector (for example earth terminal and input terminal RF_IN) of other each ends of match circuit 12 yet, only simply show Bluetooth antenna 11, match circuit 12 and pad.
Present embodiment is imported 50 ohmages by the input terminal RF_IN that connects at match circuit 12, utilize sense, appearance, the resistive principle of the patch capacitor of π type match circuit 12 and Bluetooth antenna 11, be adjusted to bluetooth band antenna resonance, thereby utilize the radiation and the effect that receives the realization Bluetooth communication of Bluetooth antenna.Know that through test the gain of the Bluetooth antenna 11 of present embodiment reaches 1.34dBi, efficient reaches 53%.
Figure 3 shows that the Bluetooth antenna board structure of circuit schematic diagram of another embodiment of the utility model; Figure 4 shows that the circuit theory diagrams of Bluetooth antenna shown in Figure 3.In the present embodiment, described Bluetooth antenna 21 is arranged on the empty regions 200 of PCB circuit board 20, and end connects the ground of PCB circuit board 20, mainly is in series by three patch capacitor C1, C2, C3.The top of described Bluetooth antenna 21 connects one by microstrip line and is used for tuning L type match circuit 22, the nearly Bluetooth antenna of the vertical arm rest of described L type match circuit 22 21 is provided with the vertical arm of C3 one side (promptly near), mainly is the placement of L type by two electronic components 221,222 and is formed by connecting.Two electronic components 221,222 can be inductance or electric capacity, can decide according to the frequency range and the tuning requirement of frequency band of actual Bluetooth antenna, the combination of preferred electric capacity and inductance.In the present embodiment, electronic component 221 is inductance (as L1 among Fig. 4), and electronic component 222 is electric capacity (as C4 among Fig. 4).
Need to prove, in the present embodiment in order to show the relation of Bluetooth antenna 21 and PCB circuit board 20 better, other printed circuit and device are not shown among Fig. 3 on the PCB circuit board 20, be not shown specifically the connector (for example earth terminal and input terminal RF_IN) of other each ends of match circuit 22 yet, only simply show Bluetooth antenna 21, match circuit 22 and pad.
Figure 5 shows that the Bluetooth antenna board structure of circuit schematic diagram of the another embodiment of the utility model; Figure 6 shows that the circuit theory diagrams of Bluetooth antenna shown in Figure 5.In the present embodiment, described Bluetooth antenna 31 is arranged on the empty regions 300 of PCB circuit board 30, and end connects the ground of PCB circuit board 30, mainly is in series by 4 patch capacitor C1, C2, C3, C4.The top of described Bluetooth antenna 31 connects one by microstrip line and is used for tuning L type match circuit 32, the vertical arm of described L type match circuit 32 is provided with the vertical arm of C4 one side (promptly near) away from Bluetooth antenna 31, mainly is the placement of L type by two electronic components 321,322 and is formed by connecting.Two electronic components 321,322 can be inductance or electric capacity, can decide according to the frequency range and the tuning requirement of frequency band of actual Bluetooth antenna, the combination of preferred electric capacity and inductance.In the present embodiment, electronic component 321,322 is inductance (as L1, L2 among Fig. 6).
Need to prove, in the present embodiment in order to show the relation of Bluetooth antenna 31 and PCB circuit board 30 better, other printed circuit and device are not shown among Fig. 5 on the PCB circuit board 30, be not shown specifically the connector (for example earth terminal and input terminal RF_IN) of other each ends of match circuit 32 yet, only simply show Bluetooth antenna 31, match circuit 32 and pad.
In sum, the Bluetooth antenna that the utility model provides mainly is in series by a plurality of patch capacitors, and excellent performance all requires lower to structure height and cost simultaneously; Described Bluetooth antenna one end ground connection between punching press antenna and printed antenna between the requirement to the headroom district, thereby need not the large tracts of land empty regions to the requirement of PCB circuit board empty regions, is beneficial to the manufacturing of miniaturization Bluetooth communication equipment.
The utility model also provides a kind of Bluetooth communication equipment, comprises a PCB circuit board and is arranged on Bluetooth antenna on the empty regions of described PCB circuit board, and the ground of described Bluetooth antenna one termination PCB circuit board mainly is in series by a plurality of patch capacitors.
Further, the number of described patch capacitor is more than 3.
Further, the end of each patch capacitor is provided with pad, and described a plurality of patch capacitors are by described pad series connection.
Further, the other end of described Bluetooth antenna connects one and is used for tuning match circuit.
Further, described match circuit is connected with described Bluetooth antenna by microstrip line.
Further, described match circuit is L type match circuit or π type match circuit.
Further, described match circuit mainly is made up of inductance and/or electric capacity.
Further, described Bluetooth communication equipment is bluetooth earphone, mobile phone or panel computer.
In sum, the Bluetooth communication equipment that the utility model provides, its Bluetooth antenna mainly is in series by a plurality of patch capacitors, and excellent performance all requires lower to structure height and cost simultaneously; Described Bluetooth antenna one end ground connection between punching press antenna and printed antenna between the requirement to the headroom district, thereby need not the large tracts of land empty regions to the requirement of PCB circuit board empty regions, is beneficial to the manufacturing of miniaturization Bluetooth communication equipment.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (7)
1. a Bluetooth antenna is characterized in that, described Bluetooth antenna is arranged on the empty regions of a PCB circuit board, and the ground of a termination PCB circuit board, the other end connect one and is used for the tuning match circuit of bluetooth frequency range; Described Bluetooth antenna mainly is in series by the patch capacitor more than 3, and the end of each patch capacitor is provided with pad, and described a plurality of patch capacitors are by described pad series connection.
2. Bluetooth antenna as claimed in claim 1 is characterized in that, described match circuit is connected with described Bluetooth antenna by microstrip line.
3. Bluetooth antenna as claimed in claim 2 is characterized in that, described match circuit is L type match circuit or π type match circuit.
4. as claim 2 or 3 described Bluetooth antennas, it is characterized in that described match circuit mainly is made up of inductance and/or electric capacity.
5. Bluetooth antenna as claimed in claim 1 is characterized in that, described PCB circuit board is the circuit board of bluetooth earphone, mobile phone or panel computer.
6. a Bluetooth communication equipment is characterized in that, comprises a PCB circuit board and is arranged on each described Bluetooth antenna in the claim 1 to 5 on the empty regions of described PCB circuit board.
7. Bluetooth communication equipment as claimed in claim 6 is characterized in that, described Bluetooth communication equipment is bluetooth earphone, mobile phone or panel computer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320040881 CN203085747U (en) | 2013-01-24 | 2013-01-24 | Bluetooth antenna and Bluetooth communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320040881 CN203085747U (en) | 2013-01-24 | 2013-01-24 | Bluetooth antenna and Bluetooth communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203085747U true CN203085747U (en) | 2013-07-24 |
Family
ID=48831555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320040881 Withdrawn - After Issue CN203085747U (en) | 2013-01-24 | 2013-01-24 | Bluetooth antenna and Bluetooth communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203085747U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094663A (en) * | 2013-01-24 | 2013-05-08 | 青岛歌尔声学科技有限公司 | Bluetooth antenna and bluetooth communication device |
| CN104885296A (en) * | 2013-12-31 | 2015-09-02 | 华为终端有限公司 | Loop antenna and mobile terminal |
| CN107086367A (en) * | 2017-03-03 | 2017-08-22 | 歌尔科技有限公司 | A kind of circuit board and bluetooth equipment with Bluetooth antenna |
-
2013
- 2013-01-24 CN CN 201320040881 patent/CN203085747U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094663A (en) * | 2013-01-24 | 2013-05-08 | 青岛歌尔声学科技有限公司 | Bluetooth antenna and bluetooth communication device |
| CN103094663B (en) * | 2013-01-24 | 2015-07-29 | 青岛歌尔声学科技有限公司 | A kind of Bluetooth antenna and a kind of Bluetooth communication equipment |
| CN104885296A (en) * | 2013-12-31 | 2015-09-02 | 华为终端有限公司 | Loop antenna and mobile terminal |
| CN104885296B (en) * | 2013-12-31 | 2018-06-19 | 华为终端（东莞）有限公司 | Loop aerial and mobile terminal |
| CN107086367A (en) * | 2017-03-03 | 2017-08-22 | 歌尔科技有限公司 | A kind of circuit board and bluetooth equipment with Bluetooth antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20150729 |
|
| RGAV | Abandon patent right to avoid regrant |