TWM600008U

TWM600008U - Multi-band antenna

Info

Publication number: TWM600008U
Application number: TW109204882U
Authority: TW
Inventors: 王致中; 蕭嵐庸
Original assignee: 正崴精密工業股份有限公司
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-08-11

Abstract

本創作公開一種多頻天線，包括：一接地部；一饋入部，設有相對的第一、第二側緣與相對的第一、第二端緣，第一端緣靠近接地部並與其保持一距離；一饋入點，設置於第一端緣；一下地部，由第二側緣延伸形成並連接於饋入部與接地部之間；一第一輻射部，由第二側緣延伸形成；一第二輻射部，由饋入部之第一側緣延伸形成；一第三輻射部，由接地部延伸形成，第三輻射部與第二輻射部皆設置於饋入部同一側；及一第四輻射部，由接地部延伸形成，第四輻射部、下地部與第一輻射部皆設置於饋入部另一側，因此，本創作多頻天線在有限體積的情況下增加頻段。This creation discloses a multi-frequency antenna, including: a grounding part; a feeding part, provided with opposite first and second side edges and opposite first and second end edges, the first end edge is close to and held with the ground part A distance; a feeding point, set at the first end edge; a lower ground, extending from the second side edge and connected between the feeding portion and the grounding portion; a first radiating portion, extending from the second side edge ; A second radiating portion formed by the extension of the first side edge of the feeding portion; a third radiating portion formed by the extension of the grounding portion, the third radiating portion and the second radiating portion are both arranged on the same side of the feeding portion; and a first The four radiating parts are formed by the extension of the grounding part. The fourth radiating part, the lower ground part and the first radiating part are all arranged on the other side of the feeding part. Therefore, the multi-frequency antenna of this invention increases the frequency band under the limited volume.

Description

Multi-frequency antenna

本創作涉及一種天線，尤其是涉及一種在體積有限的情況下增加頻段的多頻天線。This creation relates to an antenna, in particular to a multi-frequency antenna that increases the frequency band in a limited volume.

隨著高科技通訊產業的蓬勃發展，行動通訊產品越來越廣泛，尤其5G通訊越來越普及，因5G技術的發展，5G NR頻段、5G毫米波頻段、FR1頻段也會被利用起來，部分頻段也與原有的4G頻段重合，因此，對於行動通訊產品例如手機的天線使用頻段需求越來越高。With the vigorous development of the high-tech communications industry, mobile communications products have become more and more widespread, especially 5G communications have become more and more popular. Due to the development of 5G technology, 5G NR frequency bands, 5G millimeter wave frequency bands, and FR1 frequency bands will also be used. The frequency band also overlaps with the original 4G frequency band. Therefore, there is an increasing demand for mobile communication products such as mobile phone antennas.

然，因為市場趨勢，行動通訊裝置中的天線皆收容於裝置的內部，因此天線受到了空間的限制，而採用了小型的平板倒F天線(PIFA)做為行動通訊裝置的天線，其提升應用頻寬與天線面積大小有一定的限制條件，故無法滿足多頻段的需求。However, due to the market trend, the antennas in mobile communication devices are housed inside the device, so the antenna is limited by space, and a small flat-panel inverted F antenna (PIFA) is used as the antenna of the mobile communication device, which improves the application Bandwidth and antenna area have certain restrictions, so they cannot meet the needs of multiple frequency bands.

因此，有必要提供一種在體積有限的情況下增加頻段的多頻天線。Therefore, it is necessary to provide a multi-frequency antenna that increases the frequency band in a limited volume.

本創作之目的提供一種多頻天線，包括：一接地部；一饋入部，所述饋入部呈一長方形片狀，所述饋入部設有相對的一第一側緣與一第二側緣以及相對的一第一端緣與一第二端緣，所述第一端緣靠近所述接地部並與所述接地部保持一距離；一饋入點，設置於所述第一端緣；一下地部，由所述第二側緣延伸形成並連接於所述饋入部與所述接地部之間；一第一輻射部，由所述第二側緣延伸形成，所述第一輻射部與所述下地部設置在所述饋入部的同一側，所述下地部設置於所述接地部與所述第一輻射部之間；一第二輻射部，由所述饋入部之所述第一側緣延伸形成；一第三輻射部，由所述接地部延伸形成，所述第三輻射部設置於所述接地部、所述饋入部與所述第二輻射部之間，所述第三輻射部與所述第二輻射部皆設置於所述饋入部同一側；及一第四輻射部，由所述接地部延伸形成，所述第四輻射部、所述下地部與所述第一輻射部皆設置於所述饋入部另一側，所述第四輻射部設置於所述接地部、所述饋入部與所述下地部之間；所述第一輻射部延伸長度大於所述第二輻射部延伸長度，所述第一輻射部延伸長度大於所述下地部延伸長度，所述第二輻射部延伸長度大於所述第三輻射部延伸長度，所述第三輻射部延伸長度大於所述第四輻射部延伸長度。The purpose of this creation is to provide a multi-frequency antenna, including: a grounding portion; a feeding portion, the feeding portion is in the shape of a rectangular sheet, the feeding portion is provided with a first side edge and a second side edge opposite to each other, and Opposite a first end edge and a second end edge, the first end edge is close to the grounding portion and keeping a distance from the grounding portion; a feeding point is arranged on the first end edge; The ground part is formed by the extension of the second side edge and is connected between the feeding part and the ground part; a first radiation part is formed by the extension of the second side edge, and the first radiating part is connected to The lower ground portion is arranged on the same side of the feeding portion, and the lower ground portion is arranged between the ground portion and the first radiating portion; a second radiating portion is formed by the first radiating portion of the feeding portion. The side edge is extended; a third radiating portion is formed by extending the grounding portion, the third radiating portion is disposed between the grounding portion, the feeding portion and the second radiating portion, the third The radiating part and the second radiating part are both arranged on the same side of the feeding part; and a fourth radiating part is formed by extending the ground part, the fourth radiating part, the lower ground part and the first The radiating parts are all arranged on the other side of the feeding part, the fourth radiating part is arranged between the grounding part, the feeding part and the lower ground part; the extension length of the first radiating part is greater than that of the first radiating part. The extension length of the second radiation portion, the extension length of the first radiation portion is greater than the extension length of the lower part, the extension length of the second radiation portion is greater than the extension length of the third radiation portion, and the extension length of the third radiation portion is greater than the extension length of the third radiation portion. The fourth radiating part extends in length.

選擇性地，所述下地部垂直於所述饋入部，所述下地部右端設有朝右延伸的一耦合部，所述下地部中端設有向下連接於所述接地部的一連接部，所述連接部垂直於所述下地部中端並與所述饋入部平行，所述耦合部垂直於所述連接部。Optionally, the lower ground portion is perpendicular to the feeding portion, the right end of the lower ground portion is provided with a coupling portion extending to the right, and the middle end of the lower ground portion is provided with a connecting portion downwardly connected to the ground portion The connecting portion is perpendicular to the middle end of the lower ground portion and parallel to the feeding portion, and the coupling portion is perpendicular to the connecting portion.

選擇性地，所述第一輻射部包括延伸於所述饋入部之所述第二側緣的一第一延伸部，所述第一延伸部一端延伸形成一調整部，所述調整部一端延伸開口朝向所述調整部的一彎折臂，所述彎折臂一端朝向所述下地部彎折形成一折臂，所述折臂一端向彎折並遠離所述調整部延伸出一第二延伸部。Optionally, the first radiating portion includes a first extending portion extending from the second side edge of the feeding portion, one end of the first extending portion extends to form an adjusting portion, and one end of the adjusting portion extends The opening faces a bending arm of the adjusting portion, one end of the bending arm is bent toward the lower part to form a bending arm, and one end of the bending arm is bent toward and away from the adjusting portion to extend a second extension unit.

選擇性地，所述調整部外側緣朝向內側緣方向延伸形成有一間隙。Optionally, the outer edge of the adjusting portion extends toward the inner edge to form a gap.

選擇性地，所述第四輻射部前端與所述間隙一側平齊。Optionally, the front end of the fourth radiating part is flush with one side of the gap.

選擇性地，所述第一延伸部寬度大於所述彎折臂寬度與所述第二延伸部寬度，所述第二延伸部與所述第一延伸部相互平行，所述第二延伸部內側緣與所述調整部內側緣切齊，所述第二延伸部之延伸長度不超過所述彎折臂之延伸長度，所述彎折臂內臂寬度與所述第二延伸部寬度一樣，所述彎折臂外臂寬度比所述彎折臂內臂寬度寬。Optionally, the width of the first extension is greater than the width of the bending arm and the width of the second extension, the second extension and the first extension are parallel to each other, and the inner side of the second extension The edge is aligned with the inner edge of the adjusting portion, the extension length of the second extension portion does not exceed the extension length of the bending arm, and the width of the inner arm of the bending arm is the same as the width of the second extension portion, so The width of the outer arm of the bending arm is wider than the width of the inner arm of the bending arm.

選擇性地，所述第三輻射部包括一第一豎直部、一第一橫部、一第二豎直部及一第二橫部，所述第一豎直部由所述接地部延伸而出並朝向所述第二輻射部延伸，所述第一豎直部鄰近所述饋入部，所述第一豎直部平行於所述饋入部，所述第一豎直部一端延伸形成所述第一橫部，所述第一橫部延伸遠離所述饋入部，所述第一橫部垂直於所述第一豎直部，所述第一橫部一延伸形成所述第二豎直部，所述第二豎直部朝向所述第二輻射部延伸，所述第二豎直部平行於所述第一豎直部，所述第二豎直部一端延伸形成所述第二橫部，所述第二橫部延伸遠離所述饋入部，所述第二橫部平行於所述第一橫部，所述第一豎直部、所述第一橫部、所述第二豎直部、所述第二橫部呈階梯狀排列，所述第二豎直部寬度大於所述第一豎直部，所述第一橫部寬度大於所述第二橫部。Optionally, the third radiating portion includes a first vertical portion, a first horizontal portion, a second vertical portion, and a second horizontal portion, and the first vertical portion extends from the ground portion And extend toward the second radiating portion, the first vertical portion is adjacent to the feeding portion, the first vertical portion is parallel to the feeding portion, and one end of the first vertical portion extends to form a The first horizontal portion, the first horizontal portion extends away from the feeding portion, the first horizontal portion is perpendicular to the first vertical portion, and the first horizontal portion extends to form the second vertical portion Portion, the second vertical portion extends toward the second radiating portion, the second vertical portion is parallel to the first vertical portion, and one end of the second vertical portion extends to form the second horizontal Section, the second horizontal section extends away from the feeding section, the second horizontal section is parallel to the first horizontal section, the first vertical section, the first horizontal section, and the second vertical section The straight portion and the second horizontal portion are arranged in a stepped manner, the width of the second vertical portion is larger than that of the first vertical portion, and the width of the first horizontal portion is larger than that of the second horizontal portion.

選擇性地，所述饋入點、所述饋入部、所述下地部、所述第一輻射部、所述第二輻射部、所述第三輻射部及所述第四輻射部在所述接地部的同一側。Optionally, the feeding point, the feeding portion, the lower ground portion, the first radiation portion, the second radiation portion, the third radiation portion, and the fourth radiation portion are in the The same side as the ground.

選擇性地，所述第二輻射部為一橫向設置之條形，所述第二輻射部與所述饋入部之連接處設有一凸出部，所述凸出部設置於所述第二輻射部、所述饋入部與所述第三輻射部之間。Optionally, the second radiating portion is in the shape of a horizontally arranged strip, a protruding portion is provided at the connection between the second radiating portion and the feeding portion, and the protruding portion is provided on the second radiating portion. Part, between the feeding part and the third radiating part.

為詳細說明本創作多頻天線100之技術內容、構造特徵、所達成的目的及功效，以下茲例舉實施例並配合圖式詳予說明。In order to describe in detail the technical content, structural features, and achieved objectives and effects of the multi-band antenna 100 of the present invention, the following examples are given in conjunction with the drawings for detailed description.

請參閱第一圖，本創作多頻天線100為一平板倒F型天線，設於一電路板60上，本創作多頻天線100包括一饋入點1、一饋入部10、一下地部11、一第一輻射部12、一第二輻射部20、一第三輻射部30、一第四輻射部40及一接地部50，所述饋入點1設置於所述饋入部10一側，所述饋入點1由所述饋入部10之下端傳輸電流。在本實施例中，所述饋入部10與所述接地部50互相垂直，所述饋入點1、所述饋入部10、所述下地部11、所述第一輻射部12、所述第二輻射部20、所述第三輻射部30及所述第四輻射部40在所述接地部50的同一側。Please refer to the first figure. The creative multi-frequency antenna 100 is a flat inverted F antenna and is set on a circuit board 60. The creative multi-frequency antenna 100 includes a feed point 1, a feed part 10, and a lower ground part 11. , A first radiating part 12, a second radiating part 20, a third radiating part 30, a fourth radiating part 40 and a grounding part 50, the feeding point 1 is arranged on the side of the feeding part 10, The feeding point 1 transmits current from the lower end of the feeding portion 10. In this embodiment, the feeding portion 10 and the grounding portion 50 are perpendicular to each other, the feeding point 1, the feeding portion 10, the lower ground portion 11, the first radiating portion 12, and the first radiating portion 12 are perpendicular to each other. The two radiation parts 20, the third radiation part 30 and the fourth radiation part 40 are on the same side of the ground part 50.

所述饋入部10呈一長方形片狀，所述饋入部10設有一第一側緣101、與所述第一側緣101相對的一第二側緣102以及相對的一第一端緣103與一第二端緣104，所述第一端緣103靠近所述接地部50並與所述接地部50保持一距離，所述饋入點1設置於所述第一端緣103，所述第二側緣102下部橫向延伸形成的所述下地部11，所述下地部11垂直於所述饋入部10，因此所述下地部11與所述接地部50彼此保持平行，所述第二側緣102上部橫向延伸形成所述第一輻射部12，所述下地部11與所述第一輻射部12在所述饋入部10的同一側。所述下地部11與所述第一輻射部12彼此保持平行。所述下地部11設置於所述第一輻射部12與所述接地部50之間。The feeding portion 10 is in the shape of a rectangular sheet, and the feeding portion 10 is provided with a first side edge 101, a second side edge 102 opposite to the first side edge 101, and a first end edge 103 and A second end edge 104. The first end edge 103 is close to the grounding portion 50 and keeps a distance from the grounding portion 50. The feeding point 1 is provided on the first end edge 103. The lower ground portion 11 formed by extending the lower part of the two side edges 102 transversely is perpendicular to the feeding portion 10. Therefore, the lower ground portion 11 and the grounding portion 50 are kept parallel to each other, and the second side edge The upper portion of 102 extends laterally to form the first radiating portion 12, and the lower ground portion 11 and the first radiating portion 12 are on the same side of the feeding portion 10. The lower ground portion 11 and the first radiation portion 12 are kept parallel to each other. The lower ground portion 11 is disposed between the first radiation portion 12 and the ground portion 50.

所述下地部11中端設有向下連接於所述接地部50的一連接部111，所述下地部11左端連接於所述饋入部10，所述連接部111呈平面條狀，所述連接部111垂直於所述下地部11與所述接地部50，所述下地部11右端設有朝右延伸的一耦合部112，所述耦合部112垂直於所述連接部111，所述第一輻射部12包括沿所述饋入部10向右延伸的一第一延伸部121，所述第一延伸部121一端向下延伸後向右延伸在右上方斜向延伸形成一調整部122，所述調整部122大致呈U形，所述調整部122一端向右延伸並彎折盤旋形成的一彎折臂123，在本實施例中，所述第二端緣104與所述彎折臂123之外側緣平齊，所述彎折臂123大致呈一反ㄈ形，所述彎折臂123一端向下彎折形成一折臂124，所述折臂124向右彎折延伸出呈長條狀的一第二延伸部125，所述調整部122外側緣朝向內側緣方向延伸形成一間隙126，所述第一輻射部12左端連接於所述饋入部10上。The middle end of the lower ground portion 11 is provided with a connecting portion 111 downwardly connected to the grounding portion 50, the left end of the lower ground portion 11 is connected to the feeding portion 10, and the connecting portion 111 has a flat strip shape. The connecting portion 111 is perpendicular to the lower ground portion 11 and the grounding portion 50. The right end of the lower ground portion 11 is provided with a coupling portion 112 extending to the right. The coupling portion 112 is perpendicular to the connecting portion 111. A radiating portion 12 includes a first extending portion 121 extending rightward along the feeding portion 10, one end of the first extending portion 121 extends downward and then extends rightward and diagonally extends at the upper right to form an adjusting portion 122, so The adjusting portion 122 is substantially U-shaped, and one end of the adjusting portion 122 extends to the right and is bent to form a bending arm 123. In this embodiment, the second end edge 104 and the bending arm 123 The outer edges are flush, the bending arm 123 is roughly in a reverse shape, one end of the bending arm 123 is bent downward to form a bending arm 124, and the bending arm 124 is bent to the right and extends to form a long strip A second extending portion 125 having a shape of a shape, the outer edge of the adjusting portion 122 extends toward the inner edge to form a gap 126, and the left end of the first radiating portion 12 is connected to the feeding portion 10.

在本實施例中，所述第一輻射部12之所述第一延伸部121寬度最寬，所述第一延伸部121與所述第二延伸部125相互平行，所述第二延伸部125與所述下地部11相互平行，所述第二延伸部125內側緣與所述調整部122內側緣切齊，所述下地部11向右延伸的長度不超過所述第二延伸部125向右延伸的長度，所述第二延伸部125向右延伸的長度不超過所述彎折臂123向右延伸的長度，所述第二延伸部125平行於所述耦合部112，所述彎折臂123內臂寬度與所述第二延伸部125寬度大致一樣，所述彎折臂123外臂寬度比所述彎折臂123內臂寬度寬。In this embodiment, the first extension portion 121 of the first radiating portion 12 has the widest width, the first extension portion 121 and the second extension portion 125 are parallel to each other, and the second extension portion 125 Parallel to the bottom portion 11, the inner edge of the second extension portion 125 is aligned with the inner edge of the adjusting portion 122, and the length of the bottom portion 11 extending to the right does not exceed the second extension portion 125 to the right. The length of the extension of the second extension 125 to the right does not exceed the length of the extension of the bending arm 123 to the right, the second extension 125 is parallel to the coupling portion 112, and the bending arm The width of the inner arm of 123 is approximately the same as the width of the second extension 125, and the width of the outer arm of the bending arm 123 is wider than the width of the inner arm of the bending arm 123.

在本創作多頻天線100用於無線通訊時，電流由所述饋入點1饋入，電流經過所述饋入部10與所述第一輻射部12可振盪出的頻段為824-960MHZ，在本實施例中，透過調整所述第一延伸部121的寬度與所述間隙126的寬度可振盪出的頻段為1710MHZ-2170MHZ，調整所述下地部11與所述第一輻射部12之間的間距可增加頻寬，在具體實施則不限於此。When the multi-frequency antenna 100 of this creation is used for wireless communication, the current is fed from the feeding point 1, and the frequency band that the current can oscillate through the feeding part 10 and the first radiating part 12 is 824-960MHZ. In this embodiment, the frequency band that can be oscillated by adjusting the width of the first extension 121 and the width of the gap 126 is 1710MHZ-2170MHZ, and the frequency between the lower part 11 and the first radiating part 12 is adjusted. The spacing can increase the bandwidth, but the specific implementation is not limited to this.

所述第二輻射部20由所述饋入部10上部橫向延伸所形成，所述第二輻射部20延伸於所述饋入部10之所述第一側緣101上部，所述第二輻射部20為一橫向設置之條形，所述第二輻射部20右端連接於所述饋入部10上，所述第二輻射部20與所述饋入部10連接處設有一凸出部21，在本實施例中，所述第二輻射部20寬度大於所述第三輻射部30寬度，所述凸出部21設置於所述第二輻射部20內側緣，所述第二輻射部20外側緣與所述饋入部10之所述第二端緣104切齊，並與所述第一輻射部12之外側緣切齊。The second radiating portion 20 is formed by laterally extending the upper portion of the feeding portion 10, the second radiating portion 20 extends on the upper portion of the first side edge 101 of the feeding portion 10, and the second radiating portion 20 The right end of the second radiating part 20 is connected to the feeding part 10, and the connection between the second radiating part 20 and the feeding part 10 is provided with a protruding part 21. In this embodiment In an example, the width of the second radiating portion 20 is greater than the width of the third radiating portion 30, the protruding portion 21 is arranged on the inner edge of the second radiating portion 20, and the outer edge of the second radiating portion 20 is The second end edge 104 of the feeding portion 10 is aligned with the outer edge of the first radiating portion 12.

在本創作多頻天線100用於無線通訊時，電流由所述饋入點1饋入，電流經過所述饋入部10與所述第二輻射部20可振盪出的頻段為2300MHZ-2690MHZ。改變所述下地部11之長度可調整2300MHZ-2690MHZ頻段之頻寬。再者，所述耦合部112可與所述第二延伸部125產生耦合從而調整2300MHZ-2690MHZ頻段之頻寬。When the multi-frequency antenna 100 of the present invention is used for wireless communication, the current is fed from the feeding point 1, and the frequency band that the current can oscillate through the feeding portion 10 and the second radiating portion 20 is 2300MHZ-2690MHZ. Changing the length of the lower part 11 can adjust the bandwidth of the 2300MHZ-2690MHZ frequency band. Furthermore, the coupling portion 112 can be coupled with the second extension portion 125 to adjust the bandwidth of the 2300MHZ-2690MHZ frequency band.

所述第三輻射部30由所述接地片50縱向延伸後反覆彎折所形成，設置於所述饋入部10之所述第一側緣101、所述接地部50與所述第二輻射部20之內側緣之間，所述第三輻射部30包括一第一豎直部31、一第一橫部32、一第二豎直部33及一第二橫部34，所述第一豎直部31連接所述接地片50並朝向所述第二輻射部20延伸，所述第一豎直部31一端朝外橫向延伸形成所述第一橫部32，所述第一橫部32一端朝向所述第二輻射部20延伸形成所述第二豎直部33，所述第二豎直部33一端朝外橫向延伸形成所述第二橫部34，所述第一豎直部31、所述第一橫部32、所述第二豎直部33、所述第二橫部34呈階梯狀排列。在本實施例中，所述第一豎直部31垂直於所述接地部50且平行於所述饋入部10，所述第一橫部32垂直於所述第一豎直部31，所述第二豎直部33垂直於所述第一橫部32並平行於所述第一豎直部31，所述第二橫部34垂直於所述第二豎直部33並平行於所述第一橫部32。The third radiating portion 30 is formed by the grounding sheet 50 extending longitudinally and then being repeatedly bent, and is arranged on the first side edge 101, the grounding portion 50 and the second radiating portion of the feeding portion 10 Between the inner edges of 20, the third radiating portion 30 includes a first vertical portion 31, a first horizontal portion 32, a second vertical portion 33, and a second horizontal portion 34. The straight portion 31 is connected to the ground plate 50 and extends toward the second radiating portion 20, one end of the first vertical portion 31 extends laterally outward to form the first horizontal portion 32, and one end of the first horizontal portion 32 The second vertical portion 33 extends toward the second radiating portion 20 to form the second vertical portion 33, one end of the second vertical portion 33 extends laterally outward to form the second horizontal portion 34, the first vertical portion 31, The first horizontal portion 32, the second vertical portion 33, and the second horizontal portion 34 are arranged in a stepped manner. In this embodiment, the first vertical portion 31 is perpendicular to the grounding portion 50 and parallel to the feeding portion 10, the first horizontal portion 32 is perpendicular to the first vertical portion 31, and the The second vertical portion 33 is perpendicular to the first horizontal portion 32 and parallel to the first vertical portion 31, and the second horizontal portion 34 is perpendicular to the second vertical portion 33 and parallel to the first vertical portion. A horizontal 32.

在本實施例中，所述第一橫部32、所述第二橫部34、第二輻射部20相互平行，所述第一豎直部31與所述第二豎直部33相互平行，所述第二豎直部33寬度大於所述第一豎直部31，所述第一橫部32寬度大於所述第二橫部34，所述第二橫部34向左延伸的長度不超過所述第二輻射部20向左延伸的長度。In this embodiment, the first horizontal portion 32, the second horizontal portion 34, and the second radiating portion 20 are parallel to each other, and the first vertical portion 31 and the second vertical portion 33 are parallel to each other, The width of the second vertical portion 33 is greater than that of the first vertical portion 31, the width of the first horizontal portion 32 is greater than that of the second horizontal portion 34, and the length of the second horizontal portion 34 extending to the left does not exceed The length of the second radiation portion 20 extending to the left.

在本創作多頻天線100用於無線通訊時，所述第三輻射部30與所述饋入點1產生耦合從而振盪出的頻段為3300MHZ-3800MHZ，在具體實施時，可透過調整所述第二輻射部20與所述第二橫部34之間的間距改變所述第三輻射部30的頻寬。When the multi-frequency antenna 100 of the present creation is used for wireless communication, the third radiating part 30 is coupled with the feeding point 1 so that the frequency band oscillated is 3300MHZ-3800MHZ. In specific implementation, the third radiator can be adjusted by adjusting the The distance between the second radiating portion 20 and the second horizontal portion 34 changes the bandwidth of the third radiating portion 30.

所述第四輻射部40由所述接地片50縱向延伸後向橫向延伸所形成，設置於所述饋入部10另一側，在本實施例中，所述第四輻射部40設置於所述接地部50、所述下地部11、所述饋入部10與所述連接部111之間，所述第四輻射部40連接於所述接地部50，所述第四輻射部40朝向所述下地部11延伸並彎折後再向所述連接部111延伸，所述第四輻射部40前端與所述間隙126一側平齊。The fourth radiating portion 40 is formed by extending the ground plate 50 longitudinally and then extending laterally, and is disposed on the other side of the feeding portion 10. In this embodiment, the fourth radiating portion 40 is disposed on the Between the ground portion 50, the lower ground portion 11, the feeding portion 10, and the connecting portion 111, the fourth radiating portion 40 is connected to the ground portion 50, and the fourth radiating portion 40 faces the lower ground The portion 11 extends and bends and then extends to the connecting portion 111, and the front end of the fourth radiating portion 40 is flush with one side of the gap 126.

在本創作多頻天線100用於無線通訊時，所述第四輻射部40與所述饋入點1產生耦合從而振盪出的頻段為4400MHZ-5000MHZ，在具體實施時，可透過調整所述第四輻射部40與所述下地部11之間的間距及所述饋入部10與所述第三輻射部30之間的間距使所述第三輻射部30與所述第四輻射部40耦合出的共振頻率變得更大。具體實施時，可透過調整所述第二橫部34與所述第二輻射部20之間的間距以改變所述4400MHZ-5000MHZ頻段的頻寬。When the multi-frequency antenna 100 of the present invention is used for wireless communication, the fourth radiating part 40 is coupled with the feeding point 1 so that the frequency band oscillated is 4400MHZ-5000MHZ. In the specific implementation, you can adjust the first The distance between the four radiating portion 40 and the lower ground portion 11 and the distance between the feeding portion 10 and the third radiating portion 30 enable the third radiating portion 30 and the fourth radiating portion 40 to be coupled out The resonance frequency becomes larger. In specific implementation, the frequency width of the 4400MHZ-5000MHZ frequency band can be changed by adjusting the distance between the second horizontal portion 34 and the second radiating portion 20.

在本實施例中，所述第一輻射部12頻段為824-960MHZ且透過調整所述第一延伸部121的寬度與所述間隙126的寬度共振在1710MHZ-2170MHZ頻段，所述第二輻射部20頻段為2300MHZ-2600MHZ，所述第三輻射部30頻段為3300MHZ-3800MHZ，所述第四輻射部40頻段為4400MHZ-5000MHZ。使本創作多頻天線100在有限的體積下增加頻段。In this embodiment, the frequency band of the first radiating part 12 is 824-960MHZ and the width of the first extension part 121 and the width of the gap 126 are adjusted to resonate in the frequency band of 1710MHZ-2170MHZ, and the second radiating part The frequency band 20 is 2300MHZ-2600MHZ, the frequency band 30 of the third radiating part is 3300MHZ-3800MHZ, and the frequency band 40 of the fourth radiating part is 4400MHZ-5000MHZ. This enables the multi-frequency antenna 100 of the present invention to increase the frequency band in a limited volume.

在本實施例中，所述第一輻射部12延伸長度大於所述第二輻射部20延伸長度，所述第一輻射部12延伸長度大於所述下地部11延伸長度，所述第二輻射部20延伸長度大於所述第三輻射部30延伸長度，所述第三輻射部30延伸長度大於所述第四輻射部40延伸長度。In this embodiment, the extension length of the first radiation portion 12 is greater than the extension length of the second radiation portion 20, the extension length of the first radiation portion 12 is greater than the extension length of the bottom portion 11, and the second radiation portion The extension length 20 is greater than the extension length of the third radiation portion 30, and the extension length of the third radiation portion 30 is greater than the extension length of the fourth radiation portion 40.

請參照第二圖所示，為本創作多頻天線100的電壓駐波比(Voltage Standing Wave Ratio，VSWR)測試圖。當本創作多頻天線100操作於824MHZ時，電壓駐波比為7.3616(圖中M1)，當本創作多頻天線100操作於960MHZ時，電壓駐波比為7.6636(圖中M2)，當本創作多頻天線100操作於1710MHZ時，電壓駐波比為6.4847(圖中M3)，當本創作多頻天線100操作於2170MHZ時，電壓駐波比為1.3327(圖中M4)，當本創作多頻天線100操作於2300MHZ時，電壓駐波比為2.8115(圖中M5)，當本創作多頻天線100操作於2690MHZ時，電壓駐波比為2.6846(圖中M6)，當本創作多頻天線100操作於3300MHZ時，電壓駐波比為2.6905(圖中M7)，當本創作多頻天線100操作於3800MHZ時，電壓駐波比為2.1313(圖中M8)，當本創作多頻天線100操作於4400MHZ時，電壓駐波比為1.9925(圖中M9)，當本創作多頻天線100操作於5000MHZ時，電壓駐波比為1.7869(圖中M10)。因此，本創作多頻天線100可穩定地操作於824-960MHZ、1710-2170MHZ、2300-2600MHZ、3300-3800MHZ及4400-5000MHZ之頻帶範圍。Please refer to the second figure, which is a voltage standing wave ratio (VSWR) test chart of the multi-band antenna 100 of this creative. When the creative multi-frequency antenna 100 operates at 824 MHz, the voltage standing wave ratio is 7.3616 (M1 in the figure). When the creative multi-frequency antenna 100 operates at 960 MHz, the voltage standing wave ratio is 7.6636 (M2 in the figure). When the creative multi-frequency antenna 100 operates at 1710MHZ, the voltage standing wave ratio is 6.4847 (M3 in the figure). When the creative multi-frequency antenna 100 operates at 2170MHZ, the voltage standing wave ratio is 1.3327 (M4 in the figure). When the frequency antenna 100 operates at 2300MHZ, the voltage standing wave ratio is 2.8115 (M5 in the figure). When the original multi-frequency antenna 100 operates at 2690MHZ, the voltage standing wave ratio is 2.6846 (M6 in the picture). When 100 operates at 3300MHZ, the voltage standing wave ratio is 2.6905 (M7 in the picture). When the original multi-frequency antenna 100 operates at 3800MHZ, the voltage standing wave ratio is 2.1313 (M8 in the picture). When the original multi-frequency antenna 100 operates At 4400MHZ, the voltage standing wave ratio is 1.9925 (M9 in the figure). When the multi-frequency antenna 100 of the present invention is operated at 5000MHZ, the voltage standing wave ratio is 1.7869 (M10 in the figure). Therefore, the multi-frequency antenna 100 of the present invention can stably operate in the frequency bands of 824-960MHZ, 1710-2170MHZ, 2300-2600MHZ, 3300-3800MHZ and 4400-5000MHZ.

綜上所述，本創作多頻天線100藉由饋入點1饋入電訊號，所述第一輻射部12頻段為824-960MHZ且透過調整所述第一延伸部121的寬度與所述間隙126的寬度共振在1710MHZ-2170MHZ，所述第二輻射部20頻段為2300MHZ-2600MHZ，所述第三輻射部30頻段為3300MHZ-3800MHZ，所述第四輻射部40頻段為4400MHZ-5000MHZ。因此，本創作多頻天線100能在有限體積的情況下增加頻段，適應電子產品微型化的發展趨勢。In summary, the creative multi-band antenna 100 feeds electrical signals through the feed point 1, the frequency band of the first radiating part 12 is 824-960MHZ, and the width of the first extension part 121 and the gap 126 are adjusted. The width of the resonance is 1710MHZ-2170MHZ, the 20 frequency band of the second radiating part is 2300MHZ-2600MHZ, the 30 frequency band of the third radiating part is 3300MHZ-3800MHZ, and the fourth radiating part 40 is 4400MHZ-5000MHZ. Therefore, the multi-frequency antenna 100 of the present invention can increase the frequency band in a limited volume, and adapt to the development trend of miniaturization of electronic products.

100:多頻天線 101:第一側緣 102:第二側緣 103:第一端緣 104:第二端緣 1:饋入點 10:饋入部 11:下地部 111:連接部 112:耦合部 12:第一輻射部 121:第一延伸部 122:調整部 123:彎折臂 124:折臂 125:第二延伸部 126:間隙 20:第二輻射部 21:凸出部 30:第三輻射部 31:第一豎直部 32:第一橫部 33:第二豎直部 34:第二橫部 40:第四輻射部 50:接地部 60:電路板 100: Multi-frequency antenna 101: first side edge 102: second side edge 103: first edge 104: second edge 1: feed point 10: Infeed 11: Lower ground 111: Connection 112: Coupling part 12: The first radiation department 121: first extension 122: Adjustment Department 123: Bending arm 124: Folding Arm 125: second extension 126: Gap 20: The second radiation department 21: protrusion 30: Third Radiation Department 31: The first vertical part 32: The first cross 33: second vertical part 34: Second Cross 40: Fourth Radiation Department 50: Grounding part 60: circuit board

［第一圖］係本創作多頻天線平面結構示意圖。［第二圖］係本創作多頻天線的電壓駐波比(Voltage Standing Wave Ratio，VSWR)測試圖。［第三圖］係本創作多頻天線的史密斯圖(Smith Chart)。 [The first picture] is a schematic diagram of the plane structure of the multi-frequency antenna of this creation. [Second Picture] is the voltage standing wave ratio (VSWR) test chart of the multi-frequency antenna of this author. [The third picture] is the Smith Chart of the multi-frequency antenna created by this book.

100:多頻天線 100: Multi-frequency antenna

101:第一側緣 101: first side edge

102:第二側緣 102: second side edge

103:第一端緣 103: first edge

104:第二端緣 104: second edge

1:饋入點 1: feed point

10:饋入部 10: Infeed

11:下地部 11: Lower ground

111:連接部 111: Connection

112:耦合部 112: Coupling part

12:第一輻射部 12: The first radiation department

121:第一延伸部 121: first extension

122:調整部 122: Adjustment Department

123:彎折臂 123: Bending arm

124:折臂 124: Folding Arm

125:第二延伸部 125: second extension

126:間隙 126: Gap

20:第二輻射部 20: The second radiation department

21:凸出部 21: protrusion

30:第三輻射部 30: Third Radiation Department

31:第一豎直部 31: The first vertical part

32:第一橫部 32: The first cross

33:第二豎直部 33: second vertical part

34:第二橫部 34: Second Cross

40:第四輻射部 40: Fourth Radiation Department

50:接地部 50: Grounding part

60:電路板 60: circuit board

Claims

A multi-frequency antenna includes: a grounding part; a feeding part. The feeding part is in the shape of a rectangular sheet. The feeding part is provided with a first side edge and a second side edge opposite to each other and a first side edge opposite to each other. The end edge and a second end edge, the first end edge is close to the grounding portion and keeping a distance from the grounding portion; a feeding point is set at the first end edge; the lower ground portion is The second side edge is formed by extending and connected between the feeding portion and the grounding portion; a first radiating portion is formed by extending the second side edge, and the first radiating portion and the lower ground portion are arranged On the same side of the feeding portion, the lower ground portion is disposed between the grounding portion and the first radiating portion; a second radiating portion is formed by extending the first side edge of the feeding portion; A third radiating part is formed by extending the grounding part. The third radiating part is arranged between the grounding part, the feeding part and the second radiating part. The third radiating part is connected to the The second radiating part is all arranged on the same side of the feeding part; and a fourth radiating part is formed by extending the ground part, and the fourth radiating part, the lower ground part and the first radiating part are all arranged on the On the other side of the feeding portion, the fourth radiating portion is disposed between the grounding portion, the feeding portion and the lower ground portion; the extension length of the first radiating portion is greater than the extension length of the second radiating portion , The extension length of the first radiating portion is greater than the extension length of the lower base portion, the extension length of the second radiating portion is greater than the extension length of the third radiating portion, and the extension length of the third radiating portion is greater than that of the fourth radiating portion Extension length.

The multi-frequency antenna according to claim 1, wherein the lower base portion is perpendicular to the feeding portion, the right end of the lower base portion is provided with a coupling portion extending to the right, and the middle end of the lower base portion is provided with a downward connection to A connecting portion of the grounding portion, the connecting portion is perpendicular to the middle end of the lower ground portion and parallel to the feeding portion, and the coupling portion is perpendicular to the connecting portion.

The multi-band antenna according to claim 1, wherein the first radiating portion includes a first extension portion extending from the second side edge of the feeding portion, and one end of the first extension portion extends to form an adjustment Part, one end of the adjusting part extends and opening toward a bending arm of the adjusting part, one end of the bending arm is bent toward the lower part to form a bending arm, and one end of the bending arm is bent toward and away from the The adjusting part extends from a second extension part.

The multi-frequency antenna according to claim 3, wherein the outer edge of the adjusting portion extends toward the inner edge to form a gap.

The multi-frequency antenna according to claim 4, wherein the front end of the fourth radiating portion is flush with one side of the gap.

The multi-band antenna according to claim 3, wherein the width of the first extension is greater than the width of the bent arm and the width of the second extension, and the second extension and the first extension are parallel to each other , The inner edge of the second extension part is aligned with the inner edge of the adjustment part, the extension length of the second extension part does not exceed the extension length of the bending arm, and the width of the inner arm of the bending arm is equal to that of the The second extension has the same width, and the width of the outer arm of the bending arm is wider than the width of the inner arm of the bending arm.

The multi-frequency antenna according to claim 1, wherein the third radiating portion includes a first vertical portion, a first horizontal portion, a second vertical portion, and a second horizontal portion, and the first vertical portion The straight portion extends from the ground portion and extends toward the second radiating portion, the first vertical portion is adjacent to the feeding portion, the first vertical portion is parallel to the feeding portion, and the first vertical portion is parallel to the feeding portion. One end of a vertical portion extends to form the first horizontal portion, the first horizontal portion extends away from the feeding portion, the first horizontal portion is perpendicular to the first vertical portion, and the first horizontal portion is one Extends to form the second vertical portion, the second vertical portion extends toward the second radiating portion, the second vertical portion is parallel to the first vertical portion, and the second vertical portion One end extends to form the second transverse portion, the second transverse portion extends away from the feeding portion, the second transverse portion is parallel to the first transverse portion, the first vertical portion, the first The horizontal portion, the second vertical portion, and the second horizontal portion are arranged in a stepped manner, the width of the second vertical portion is greater than that of the first vertical portion, and the width of the first horizontal portion is greater than that of the first vertical portion. Two horizontal parts.

The multi-frequency antenna according to claim 1, wherein the feeding point, the feeding portion, the lower ground portion, the first radiating portion, the second radiating portion, the third radiating portion, and the The fourth radiation part is on the same side of the ground part.

The multi-frequency antenna according to claim 1, wherein the second radiating part is a horizontally arranged strip shape, and the connection between the second radiating part and the feeding part is provided with a protrusion, and the protrusion The part is arranged between the second radiating part, the feeding part and the third radiating part.