CN105449373A - Circuit board antenna - Google Patents
Circuit board antenna Download PDFInfo
- Publication number
- CN105449373A CN105449373A CN201410354208.3A CN201410354208A CN105449373A CN 105449373 A CN105449373 A CN 105449373A CN 201410354208 A CN201410354208 A CN 201410354208A CN 105449373 A CN105449373 A CN 105449373A
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- CN
- China
- Prior art keywords
- circuit board
- antenna
- length
- emission part
- protuberance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a circuit board antenna which comprises a circuit board arranged horizontally and a cable welded on the circuit board. The cable has a center conductor and a grounding layer isolated to the periphery of the center conductor in an insulated manner. The circuit board comprises antennas distributed to one side. Each antenna comprises a longitudinally-arranged reflection portion, an emission portion parallel to the reflection portion and a wave guide portion parallel to the emission portion, wherein the emission portion is arranged between the reflection portion and the wave guide portion, and the emission portion comprises an anode emission portion and a cathode emission portion, which are aligned longitudinally and isolated in an insulated manner. The bottom end of the anode emission portion comprises a first protruding portion extending downwards and a first recess portion; and the top end of the cathode emission portion comprises a second protruding portion and a second recess portion, wherein the first protruding portion extends into the second recess portion, and the second protruding portion extends into the first recess portion. The center conductor of the cable is electrically connected with the first protruding portion, and the grounding layer is electrically connected with the second protruding portion.
Description
[technical field]
The invention relates to a kind of circuit board antenna, especially a kind of complanation Yagi antenna be installed on indoor electronic equipment.
[background technology]
Along with electronics miniaturization, the development of attractive in appearanceization, and the progress of antenna technology, antenna is more and more built in electronic equipment.In prior art, usually utilize the method making printed circuit board (PCB) to make chip antenna with cost-saving, and produce the antenna pattern of needs by technology such as etching or lasers.As everyone knows, Yagi antenna has good directive property because of it, has again higher gain and very popular relative to dipole antenna.As No. US6307524th, U.S. Patent Bulletin discloses a kind of Yagi antenna of complanation, this antenna make use of circuit board tow sides, and utilize conductive through hole to be communicated with the drive division and grounding parts that are positioned at different surfaces, obviously, multilayer circuit board requires higher relative to single layer board in manufacture craft, and the structure of the Yagi antenna of therefore this complanation also has the space optimized further.
[summary of the invention]
The object of the present invention is to provide the simple complanation Yagi antenna of a kind of structure.
To achieve these goals, the invention provides a kind of circuit board antenna, comprise a circuit board and welding cable on circuit boards, described cable is isolated in the ground plane of center conductor periphery with having center conductor and insulation, circuit board comprises carrier and is distributed in the antenna of carrier side, described antenna comprises the reflecting part with the first length having and longitudinally arrange, be parallel to reflecting part and there is the emission part of the second length, and be parallel to emission part and there is the guided wave portion being different from the first length and the second length, described emission part is positioned at guided wave portion and reflecting part therebetween, described emission part comprises and longitudinally aliging and the positive pole emission part of isolating with insulating and negative pole emission part, the bottom of described positive pole emission part comprises the first protuberance to downward-extension and the first depressed part, the top of negative pole emission part comprises the second protuberance and the second depressed part, described first protuberance extends into the second depressed part, second protuberance extends into the first depressed part, center conductor and first protuberance of cable are electrically connected, ground plane and the second protuberance are electrically connected.
Described positive pole emission part is provided with a branch in the position of contiguous first depressed part towards reflecting part horizontal expansion, and described branch has the end to downward-extension, and the ground plane of this end and cable electrically conducts.
The end of described branch extends longitudinally and aligns in the horizontal with the first protuberance and the second protuberance.
Described first length is greater than the second length, and described second length is greater than the length in guided wave portion.
Described guided wave portion comprises the pilot unit of some horizontal parallel arrangements, and the width of pilot unit is less than the width of emission part.
The length of described pilot unit reduces with the distance increase in range transmission portion.
The width of described reflecting part is less than the width of emission part.
Described reflecting part is provided with the installing hole running through circuit board carrier.
The same side of described circuit board is arranged with two antennas.
Compared to prior art, disclosed circuit board antenna has that manufacture method is simple, low cost and other advantages.
[accompanying drawing explanation]
Fig. 1 is the vertical view of circuit board antenna according to the invention.
Fig. 2 for cable and connector device in circuit board antenna shown in Fig. 1 be fitted on circuit board before vertical view.
Fig. 3 is the vertical view of circuit board in circuit board antenna shown in Fig. 1.
Fig. 4 is the upward view of circuit board in circuit board antenna shown in Fig. 1.
[embodiment]
Shown in Fig. 4, circuit board antenna 100 comprises a circuit board 10 and one end is installed cable 6 on the circuit board 10 and is arranged on the connector 8 of cable 6 other end.In order to keep the relative position of cable 6 and circuit board 10 better, preferably, circuit board antenna 100 also comprises fixing for cable 6 fixture 5 on the circuit board 10 further, fixture 5 can be the sticking adhesive tape of tool or other can fix object on the circuit board 10, insulating tape is preferred because not affecting antenna line construction originally.
With reference to Fig. 2, cable 6 one end is provided with connector 8, and connector 8 is Minisize coaxial connector.Cable 6 comprises center conductor 61, is coated on the first insulating barrier 62 of center conductor 61 periphery, is coated on the ground plane 63 of the conduction of the first insulating barrier 62 periphery, and is wrapped in the second insulating barrier 64 outside ground plane 63.Cable 6 is real is coaxial line, the other end of its mounted connector 8 exposes the second insulating barrier 64 with ground plane 63 local, first insulating barrier 62 local exposes ground plane 63, and the mode that center conductor 61 local exposes the first insulating barrier 62 is processed into predetermined form in advance.Especially, ground plane 63 comprises the first grounding parts 631 gone out from the second insulating barrier 62 ends exposed, and from the second grounding parts 632 come out in a certain position of the second insulating barrier 62 between connector 8 and end.
Circuit board 10 comprises the plate-shaped support 1 with front 11 and reverse side 12, and is distributed in the antenna 20 on carrier 1 front 11.Described antenna 20 comprises the reflecting part 2 with the first length having and longitudinally arrange, be parallel to reflecting part 2 and there is the emission part 3 of the second length, and be parallel to emission part 3 and there is the guided wave portion 4 being different from the first length and the second length, described emission part 3 is positioned at guided wave portion 4 and reflecting part therebetween.Wherein, the positive pole emission part 31 separated to that emission part 3 comprises longitudinally consistency from top to bottom and insulation and negative pole emission part 32, the lower end of positive pole emission part 31 is provided with a narrower branch 33 towards reflecting part 2 horizontal expansion.The lower end of positive pole emission part 31 comprises the first protuberance 311 and the first depressed part 310 to downward-extension, the top of negative pole emission part 32 comprises the second protuberance 321 and the second depressed part 320, described first protuberance 311 extends into the second depressed part 320, second protuberance 321 and extends into the first depressed part 310.Described first protuberance is provided with the first make contact 3110 that can be used for welding cable 6 center conductor 61, second protuberance 321 is provided with the second contact point 3210 for welding the first grounding parts 631 on cable 6, in addition, branch 33 comprises further to the end (non-label) of downward-extension, this end is provided with the 3rd contact point 330, for welding the second grounding parts 632 on cable 6.In the present embodiment, 3rd contact point 330 and the second contact point 3210 and first make contact 3110 lateral alignment, in other words will, branch 33 is L-shaped, its end and the first protuberance 311 and the second protuberance 320 lateral alignment, cable 6 is linearly extended from the second grounding parts 632 to the center conductor 61 exposing the first insulating barrier 62.
The first length that aforementioned reflecting part 2 has is greater than the second length that emission part 3 has, and the length of emission part 3 is greater than again the length in guided wave portion 4.Guided wave portion 4 is also parallel to emission part 3 and comprises the first wave guide 41 be parallel to each other, second waveguide 42 and the 3rd waveguide 43, wherein the longitudinal length of the 3rd waveguide 43 is less than the second waveguide 42, the longitudinal length of the second waveguide 42 is less than again first wave guide 41, the longitudinal length of first wave guide 41 is less than emission part 3 as mentioned above, that is guided wave portion 4 comprises some pilot units, and the length of these pilot units reduces with the distance increase in range transmission portion 3.Preferably, the transverse width of reflecting part 2 is less than the transverse width of emission part 3, the transverse width of each pilot unit in guided wave portion 4 is all less than emission part 3 in sum, in fact antenna 20 constitutes the Yagi antenna of a complanation, and in the present embodiment, antenna 20 comprises two two Yagi antennas in axial symmetry be arranged on the front 11 of circuit board 10.
Reflecting part 2 is provided with in the lower edge by circuit board 10 installing hole 21 running through circuit board 10, the narrow portion 211 that described installing hole 21 comprises two wide portions 210 setting up and down and is arranged between two wide portions 210, the pre-profit retention in described wide portion 210 is large enough to hold cable 6 and passes, the maximal clearance of narrow portion 211 is less than the diameter of cable 6, according to user demand, cable 6 is through being snapped into be fixed on circuit board 10 in installing hole 21 after two wide portions 210, and cable 6 also can be fixing on the circuit board 10 by means of only aforementioned fixture 5 simultaneously.
Circuit board antenna 100 is the Yagi antennas designed by single layer board, its simple in structure and low in cost, and the feature with high-gain and high directivity, relative to existing complanation Yagi antenna, has better practicality.
Claims (9)
1. a circuit board antenna, comprise circuit board and welding cable on circuit boards, described cable is isolated in the ground plane of center conductor periphery with having center conductor and insulation, described circuit board comprises carrier and is distributed in the antenna of carrier side, described antenna comprises the reflecting part with the first length having and longitudinally arrange, be parallel to reflecting part and there is the emission part of the second length, and be parallel to emission part and there is the guided wave portion being different from the first length and the second length, described emission part is between guided wave portion and reflecting part, it is characterized in that: described emission part comprises and longitudinally aliging and the positive pole emission part of isolating with insulating and negative pole emission part, the bottom of described positive pole emission part comprises the first protuberance to downward-extension and the first depressed part, the top of negative pole emission part comprises the second protuberance and the second depressed part, described first protuberance extends into the second depressed part, second protuberance extends into the first depressed part, center conductor and first protuberance of cable are electrically connected, ground plane and the second protuberance are electrically connected.
2. circuit board antenna as claimed in claim 1, it is characterized in that: described positive pole emission part is provided with a branch in the position of contiguous first depressed part towards reflecting part horizontal expansion, described branch has the end to downward-extension, and the ground plane of this end and cable electrically conducts.
3. circuit board antenna as claimed in claim 2, is characterized in that: the end of described branch extends longitudinally and aligns in the horizontal with the first protuberance and the second protuberance.
4. circuit board antenna as claimed in claim 1, is characterized in that: described first length is greater than the second length, and described second length is greater than the length in guided wave portion.
5. circuit board antenna as claimed in claim 1, it is characterized in that: described guided wave portion comprises the pilot unit of some horizontal parallel arrangements, the width of pilot unit is less than the width of emission part.
6. circuit board antenna as claimed in claim 5, is characterized in that: the length of described pilot unit reduces with the distance increase in range transmission portion.
7. circuit board antenna as claimed in claim 1, is characterized in that: the width of described reflecting part is less than the width of emission part.
8. circuit board antenna as claimed in claim 1, is characterized in that: described reflecting part is provided with the installing hole running through circuit board carrier.
9. circuit board antenna as claimed in claim 1, is characterized in that: the same side of described circuit board is arranged with two antennas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354208.3A CN105449373B (en) | 2014-07-24 | 2014-07-24 | Circuit board antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354208.3A CN105449373B (en) | 2014-07-24 | 2014-07-24 | Circuit board antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105449373A true CN105449373A (en) | 2016-03-30 |
| CN105449373B CN105449373B (en) | 2018-08-10 |
Family
ID=55559318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354208.3A Expired - Fee Related CN105449373B (en) | 2014-07-24 | 2014-07-24 | Circuit board antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449373B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6307524B1 (en) * | 2000-01-18 | 2001-10-23 | Core Technology, Inc. | Yagi antenna having matching coaxial cable and driven element impedances |
| CN1921217A (en) * | 2005-08-25 | 2007-02-28 | 株式会社日立制作所 | Antenna apparatus |
| TW201316615A (en) * | 2011-10-04 | 2013-04-16 | Univ Nat Chiao Tung | Apparatus and method of antenna using non-contact resonator coupling |
| CN203225352U (en) * | 2013-04-22 | 2013-10-02 | 西安航天恒星科技实业(集团)公司 | Ultra high frequency (UHF) band dual-circular polarization yagi antenna |
| KR101355865B1 (en) * | 2012-08-31 | 2014-02-03 | 한국과학기술원 | Vertical embedded yagi-uda antenna using image theory and the same mounted transmitting-receiving integrated circuit chip and maunfacturing method thereof |
| TW201414083A (en) * | 2012-09-17 | 2014-04-01 | Hon Hai Prec Ind Co Ltd | Board antenna |
-
2014
- 2014-07-24 CN CN201410354208.3A patent/CN105449373B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6307524B1 (en) * | 2000-01-18 | 2001-10-23 | Core Technology, Inc. | Yagi antenna having matching coaxial cable and driven element impedances |
| CN1921217A (en) * | 2005-08-25 | 2007-02-28 | 株式会社日立制作所 | Antenna apparatus |
| TW201316615A (en) * | 2011-10-04 | 2013-04-16 | Univ Nat Chiao Tung | Apparatus and method of antenna using non-contact resonator coupling |
| KR101355865B1 (en) * | 2012-08-31 | 2014-02-03 | 한국과학기술원 | Vertical embedded yagi-uda antenna using image theory and the same mounted transmitting-receiving integrated circuit chip and maunfacturing method thereof |
| TW201414083A (en) * | 2012-09-17 | 2014-04-01 | Hon Hai Prec Ind Co Ltd | Board antenna |
| CN203225352U (en) * | 2013-04-22 | 2013-10-02 | 西安航天恒星科技实业(集团)公司 | Ultra high frequency (UHF) band dual-circular polarization yagi antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105449373B (en) | 2018-08-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20180810 Termination date: 20190724 |