CN2924809Y - Printed circuit board antenna - Google Patents
Printed circuit board antenna Download PDFInfo
- Publication number
- CN2924809Y CN2924809Y CN 200620068884 CN200620068884U CN2924809Y CN 2924809 Y CN2924809 Y CN 2924809Y CN 200620068884 CN200620068884 CN 200620068884 CN 200620068884 U CN200620068884 U CN 200620068884U CN 2924809 Y CN2924809 Y CN 2924809Y
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- oscillator
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- hole
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Abstract
The utility model relates to a printed circuit board antenna, which includes a PCB base plate and a feeder line, on the upper plate surface of the base plate is provided with a copper coated Z-shaped antenna oscillator, the geometric center of the Z-shaped antenna oscillator is provided with a feed through hole, the feed through hole is combined with one side of the Z-shaped antenna oscillator to form a first oscillator which is combined with the other side of the Z-shaped antenna oscillator to form a second oscillator, the first oscillator and the second oscillator have the same shape and the same scope of the receiving/transmission frequency, the feed through hole is electrically connected with a Z-shaped ground connection part which is arranged on the lower plate surface of the base plate; the Z-shaped antenna oscillator and the Z-shaped ground connection part have the same shape, and the geometric centers of the two are arranged on the same axis line through the feed through hole, when in overlook, the Z-shaped antenna oscillator and the Z-shaped ground connection part are vertical mutually; the feeder line includes an inner core line and a shielding layer, one end of the inner core line is electrically connected with the feed of the antenna oscillator, and one end of the shielding layer is electrically connected with the ground connection part.
Description
[technical field]
The utility model particularly relates to the PCB antenna of a kind of IEEE802.11b of being applied to about a kind of single-band antenna.
[background technology]
Along with the extensive use of WLAN (WLAN (wireless local area network)) at modern mobile office environment, the antenna that is installed on the portable communication apparatus is able to a large amount of uses, and the main flow wireless LAN communication agreement of Chan Shenging mainly comprises IEEE 802.11b and two kinds of standards of 802.11a thereupon, wherein the working frequency range of 802.11b is mainly 2.4-2.5GHz, and the working frequency range of 802.11a is contained 5.15-5.35GHz, because the microminiaturization of portable communication apparatus, inevitably, also microminiaturization correspondingly of the design of antenna.
The solution of antenna microminiaturization in the prior art, has become ripe development field.And adopt also successful Application of antenna that printed circuit (PCB) realized, be called PCB antenna or PCB antenna.The related art antenna comprises one deck substrate and prints two metal levels up and down on it, last metal level comprises the conductor belt of signal feed-in microstrip line and prolongs the conductor belt radiant section of four minutes one wavelength from this conductor belt one end, lower metal layer comprises the grounding parts of microstrip line and two sections four fens wavelength conductor belt radiant sections of its extension, signal source is by the microstrip line feed-in, and this antenna is applicable in general mobile phone, WLAN (wireless local area network) or other wireless telecommunications system.
Microstrip antenna is a kind of miniaturization built-in aerial that is applicable to mobile terminals, yet previous its radiation efficiency of single-frequency microstrip antenna of using is lower.
In order to improve radiation efficiency, its gain that makes simultaneously is bigger, the grounding parts of PCB antenna is often done to such an extent that the metal level area is bigger, but, the effect that the grounding parts of PCB antenna brings more greatly is: when strengthening gain, its directivity increases accordingly, can compare significantly at the effectiveness of a certain specific direction.
In view of this, in fact be necessary to propose a kind ofly can improve radiation efficiency, strengthen gain, and the microstrip antenna that is suitable for using.
[summary of the invention]
Therefore, the purpose of this utility model is to provide the PCB antenna of a kind of IEEE802.11b of being applied to, and this antenna has the radiation efficiency height, the work zone is roomy, and gain is big, no specific direction electromagnetic shielding, radiation has omni-directional, and advantage such as cheap simple in structure.
The utility model provides a kind of PCB antenna, and it comprises a PCB substrate and a feeder line.The upper face of this substrate is provided with copper-plated " Z " shape antenna oscillator, the geometric center of being somebody's turn to do " Z " shape antenna oscillator is provided with the feed through hole, this feed through hole combines with one side of " Z " shape antenna oscillator and forms first oscillator, this feed through hole combines with the another side of " Z " shape antenna oscillator and forms second oscillator, and first oscillator is identical with the second oscillator shape, the scope of energy reception/tranmitting frequency is identical, this feed through hole sees through substrate and electrically connects with " Z " shape grounding parts that is located at the substrate lower face, and " Z " shape antenna oscillator is vertical mutually with " Z " shape grounding parts when looking down, and the shape of " Z " shape antenna oscillator and " Z " shape grounding parts is identical and its geometric center sees through the feed through hole and is positioned on the same axis.This feeder line comprises internal core wire and screen, and this internal core wire one end is electrically connected at feed on the antenna oscillator, and this screen one end and grounding parts electrically connect.
Compared with prior art, the utility model PCB antenna adopts " Z " shape grounding parts, and this PCB antenna that makes does not have the electromagnetic shielding of specific direction, and this PCB antenna radiation that makes has omni-directional; The utility model PCB antenna adopts unique " Z " shape antenna oscillator and the feed placement that is positioned at geometric center, form two element antennas, this PCB antenna radiation efficiency that makes improves greatly, and the gain of this PCB antenna that also makes improves greatly.
The utility model PCB antenna adopts this kind structure, and its radiation that makes has omni-directional, and it is simple in structure, and is cheap, is easy to apply.
[description of drawings]
Fig. 1 is the Facad structure schematic diagram of the utility model PCB antenna.
Fig. 2 is the reverse side structural representation of the utility model PCB antenna.
Fig. 3 is the structural representation that the utility model PCB antenna is connected with feeder line.
[embodiment]
Be described in detail below in conjunction with the structure of accompanying drawing the utility model PCB antenna.
See also Fig. 1, Fig. 2, Fig. 3, Fig. 1 is the Facad structure schematic diagram of the utility model PCB antenna, Fig. 2 is the reverse side structural representation of the utility model PCB antenna, and Fig. 3 is the structural representation that the utility model PCB antenna is connected with feeder line.
This PCB antenna comprises a PCB substrate 10 and a feeder line 50.The upper face of this substrate 10 is provided with copper-plated " Z " shape antenna oscillator 20, the geometric center of being somebody's turn to do " Z " shape antenna oscillator 20 is provided with copper-plated feed through hole 40, this feed through hole 40 combines with one side of " Z " shape antenna oscillator 20 and forms first oscillator 21, this feed through hole 40 combines with the another side of " Z " shape antenna oscillator 20 and forms second oscillator 22, and first oscillator 21 is identical with second oscillator, 22 shapes, the scope of energy reception/tranmitting frequency is identical, this feed through hole 40 sees through substrate 10 and electrically connects with " Z " shape grounding parts 30 that is located at substrate 10 lower faces, and the shape of " Z " shape antenna oscillator 20 and " Z " shape grounding parts 30 is identical and its geometric center sees through feed through hole 40 and is positioned on the same axis, and " Z " shape antenna oscillator is vertical mutually with " Z " shape grounding parts when looking down.
Please continue to consult Fig. 3, Fig. 3 is the structural representation that the utility model PCB antenna is connected with feeder line, this antenna also comprises a feeder line 50, this feeder line 50 is the coaxial cable structure, comprise internal core wire 51 and screen 52, and be provided with first insulating barrier between this internal core wire 51 and the screen 52, and be provided with second insulating barrier between the screen 52 and the external world around it, this screen 52 electrically connects (not shown) with grounding parts 30, internal core wire 51 and first insulating barrier on every side are by behind the feed through hole 40, and internal core wire 51 is connected with " Z " shape antenna oscillator 20 feeds.
The utility model adopts " Z " shape grounding parts, the electromagnetic shielding of the no specific direction of its that makes, its radiation that makes has omni-directional, " Z " shape antenna oscillator of its uniqueness and the feed placement that is positioned at " Z " shape antenna oscillator geometric center combine, form two oscillators, the radiation efficiency of the present utility model that makes has increased gain of the present utility model simultaneously than higher.
Claims (3)
1, a kind of PCB antenna, this antenna applications is in IEEE802.11b, it comprises one " Z " shape antenna oscillator, one " Z " shape grounding parts and the feed through hole that connects antenna oscillator and grounding parts, an and feeder line, this feeder line comprises internal core wire and screen, and between two-layer and screen outside insulating barrier, it is characterized in that: " Z " shape antenna oscillator is identical with " Z " shape grounding parts shape, this feed through hole combines with one side of " Z " shape antenna oscillator and forms first oscillator, its another side with " Z " shape antenna oscillator combines and forms second oscillator, and first oscillator can receive with second oscillator/and the scope of tranmitting frequency is identical.
2, PCB antenna according to claim 1 is characterized in that: above-mentioned first oscillator is identical with the second oscillator shape.
3, PCB antenna according to claim 1, it is characterized in that: the geometric center of above-mentioned " Z " shape antenna oscillator and " Z " shape grounding parts sees through the feed through hole and is positioned on the same axis, and " Z " shape antenna oscillator is vertical mutually with " Z " shape grounding parts when looking down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620068884 CN2924809Y (en) | 2006-01-23 | 2006-01-23 | Printed circuit board antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620068884 CN2924809Y (en) | 2006-01-23 | 2006-01-23 | Printed circuit board antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2924809Y true CN2924809Y (en) | 2007-07-18 |
Family
ID=38261237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620068884 Expired - Fee Related CN2924809Y (en) | 2006-01-23 | 2006-01-23 | Printed circuit board antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2924809Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762496A (en) * | 2014-12-17 | 2016-07-13 | 环旭电子股份有限公司 | Antenna structure for increasing gain of antenna |
-
2006
- 2006-01-23 CN CN 200620068884 patent/CN2924809Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762496A (en) * | 2014-12-17 | 2016-07-13 | 环旭电子股份有限公司 | Antenna structure for increasing gain of antenna |
| CN105762496B (en) * | 2014-12-17 | 2019-02-01 | 环旭电子股份有限公司 | For improving the antenna structure of antenna gain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070718 |