M326236 八、新型說明： 【新型所屬之技術領域】 本創作係有關-種多頻倒F形天線（mul ti—fr拳㈣從 Plane Inverted-F Ante脆，piFA),尤指一種以一倒 l 形接 =引起環路表面電流，以在多頻率操作時有寬頻效果的 多頻倒F形天線。 【先前技術】 隨著製程技術及元件設計的進步，消費性電子產品的 發展趨勢是輕薄短小，及集結更多功能。以無線通訊產品 為例’除了原本的發話及接聽的語音功能之外，更增加了 WAP上網及收發電子郵件等數據功能。 —近年來，智慧型手機（㈣rt ph〇ne)由於在手機上集結 :資料處理能力及無線上網能力UN)，因此逐^ 又J 4費者重視。心著無線通訊頻寬的增加及手機處理能 力增強’智慧型手機可以發揮更多應用，如手機電視或電 子商務功能，因此可以預期會有更廣大的市場。同時為了 更進-步降低手機的尺寸，手機天線也有微小化的需求。 -般微波天線尺寸㈣餘鮮（聰_6 ί卿的半波長U/2)，如偶極天線（dip〇ie ante腿）或是微帶（micr〇strippatch)天、線。為使天線的 微小化技術更上層樓’近年來更發展出倒F型平面天線 (P1·賺rted-F antenna ’服）的架構，使天線的操 乍長度1½減到1 / 4波長’所以能大幅降低天線所佔用 的面積。再加上平面天線本身具有低高度G〇wpr〇fiie)的 M326236 特點^而能達到隱藏天線（隨enantenna)的目的。M326236 Eight, new description: [New technology field] This creation is related to a variety of multi-frequency inverted F antenna (mul ti-fr punch (four) from Plane Inverted-F Ante crisp, piFA), especially one to one down Shape = a multi-frequency inverted-F antenna that causes loop surface current to have a broadband effect when operating at multiple frequencies. [Prior Art] With the advancement of process technology and component design, the development trend of consumer electronic products is light and short, and more functions are assembled. Take wireless communication products as an example. In addition to the original voice function for answering and answering, it also adds data functions such as WAP Internet access and e-mail. - In recent years, smart phones ((4) rt ph〇ne) have been assembled on mobile phones: data processing capabilities and wireless Internet access capabilities (UN). With the increase in the bandwidth of wireless communication and the enhancement of mobile processing capabilities, smart phones can play more applications, such as mobile TV or e-commerce functions, so it is expected that there will be a wider market. At the same time, in order to further reduce the size of the mobile phone, the mobile phone antenna also has a small demand. - Microwave antenna size (4) Yu Xian (cone _6 qingqing half-wavelength U/2), such as dipole antenna (dip〇ie ante leg) or microstrip (micr〇strippatch) day, line. In order to make the antenna miniaturization technology even higher, the architecture of the inverted F-type planar antenna (P1· earned rted-F antenna 'service) has been developed in recent years, reducing the operating length of the antenna to 11/4 wavelength. Can greatly reduce the area occupied by the antenna. In addition, the planar antenna itself has a low height G〇wpr〇fiie) M326236 feature ^ can achieve the purpose of hiding the antenna (with the enantenna).
°月多照第一圖，為—習知倒F 圖。倒F型平面天線恤主要由4 = 1的結構4不意 片刈 免田輻射早T〇12a 、一接地 … 〃貝材料（未圖示）、一短路器16a及-饋入 所構成。該介#材料介於輻射單元12a與接地片 短路itiea ^射早凡他可猎由 … 賤至接地片面20a。在信號傳輸方面，饋入 =忿可配置在接地面上並與_單元m _以傳遞 #U。輪射單元12a與接地片20a可利用金屬材料實 現，依據不同的設計需求’輻射單元他的圖樣 (pattern )也會有許多變化，但重要的是，此等倒f型 平面天線1〇〇將可使天線共振於1/4波長，以有效縮減 天線體積。 然而習知之倒F型天線並無法提供較為寬廣的頻寬 (band_，且無法在多種頻率下操作。由於現今的智慧 型手機往往要在三頻或是四頻下操作，歧要能用於無線 網路（WLM)，因此如何提供能在多頻狀訂操作的倒F型 天線結構，是重要的課題。 【新型内容】 有鑑於傳統缺失，本創作之主要目的，在於提出一個 可以增加天線工作頻率頻寬，且在多頻率 (multi-frequencies )下得到寬頻（br〇ad-bandwid1± )效 果之多頻倒F形天線，可適用於智慧型的行動通訊之類的 設備上。 M326236 -為達到上述之目的，本創作之多頻倒f形天線，包 2 ·♦一㈣元件…接地元件及—饋人元件；其中，奸 射元件，係由-共用幅射元件、—高頻幅射元件:: 射元件組成，該高頻幅射元件與低頻幅射元件間形成; :形開槽。該高頻幅射元件與共用幅射元件電η: -形通孔連通有，開槽。該 .二=:件一側邊電性連結。該饋入元件具有 亥间頻幅射70件一側電性連結之帶狀體。 一倒Γ上具有—接地端，該接地端—侧f折延伸 性連二=;該倒L形接地片-端與共用幅射元件電 之^使该倒L形接地片電性連結在接地端與饋入元件 ，間，以倒L形接地片於圓形通孔 二= 環路表面電流，用描^ 7閉耗周緣引起的 【實施方式】 日以線工作頻率的頻寬。 •明如=關本創作之技術内容及詳細說明，現配合圖式說 示意本創作之多頻倒F形天線外觀立體 接地元们：創作之多頻倒F形天線，包括：一 SI-:元件2及一饋入元件3 ’·其中，° month more than the first picture, for the -following F map. The inverted F-type planar antenna shirt is mainly composed of 4 = 1 structure 4, no film, no field radiation, early T〇12a, a grounding material, a mussel material (not shown), a short circuiter 16a, and a feed. The dielectric material is interposed between the radiating element 12a and the grounding strip. The short-circuit itiea ^ shoots early and can be hunted by ... to the ground plane 20a. In terms of signal transmission, the feed =忿 can be configured on the ground plane and with the _cell m _ to pass #U. The firing unit 12a and the grounding strip 20a can be realized by using a metal material. There are many variations of the pattern of the radiating unit according to different design requirements, but it is important that these inverted f-type planar antennas will be The antenna can be made to resonate at 1/4 wavelength to effectively reduce the antenna volume. However, the conventional inverted F antenna does not provide a wide bandwidth (band_, and cannot operate at multiple frequencies. Since today's smart phones often operate at three or four frequencies, the difference can be used in wireless networks. Road (WLM), so how to provide inverted F-type antenna structure that can be operated in multiple frequency is an important issue. [New content] In view of the lack of tradition, the main purpose of this creation is to propose an antenna operating frequency. Multi-frequency inverted-F antenna with wide bandwidth and wide-band (br〇ad-bandwid1±) effect at multi-frequencies can be applied to devices such as smart mobile communication. M326236 - To achieve The above purpose, the multi-frequency inverted f-shaped antenna of the present invention, the package 2 · ♦ a (four) component ... the grounding component and the - feeding component; wherein, the stunner component, the - common radiating component, the high frequency radiating component The composition of the radiation element is formed between the high-frequency radiation element and the low-frequency radiation element; the groove is formed. The high-frequency radiation element is electrically connected with the common radiation element: a through-hole, and is grooved. . Two =: one side of the piece of electricity The feeding element has a strip-shaped body electrically connected to one side of the 70-frequency radiating element. The back-up has a grounding end, and the grounding end-side f-extends two consecutively; The grounding strip-end and the common radiating element are electrically connected to the grounded end and the feeding element, and the inverted L-shaped grounding piece is disposed on the circular through-hole 2=loop surface current. [Embodiment] The frequency of the working frequency of the daily line is used. ● Mingru = the technical content and detailed description of the creation, and now the pattern is used to indicate the multi-frequency inverted F shape of the creation. Stereoscopic grounding elements of the antenna: the multi-frequency inverted F-shaped antenna is created, including: an SI-: component 2 and a feeding component 3 '·
口亥接地兀件〗，係呈一 T η。該接地端〗〗 ，/、上具有一接地端 供一鎖固元件接地通孔111，該接地通孔1n (圖中未m )將接地元件1與-電子裝置 -側延伸有―::子^置之接地端電性連結。該接地端η 凸片112，而另一側彎折延伸有一 1/8波長 M326236 倒l形接地片α蒙齡L shQrt_line)12，_ l形接地 片12與該幅射元件2呈電性連結。 該㈣元件2，係呈—片狀體，其上係由共用幅射元 ' 21與㈤頻幅射凡件22及一低頻幅射元件烈電性連結而 成。該共用幅射元件21—側設有二缺口 2]1 、211， 。°於 該缺口 211 f則電性連結該接地元们，使該接地元件1 與幅射元件2 f折呈近90度角或9〇度角電性連結。該高頻 幅射元件22近於與共用幅射元件幻電性連結處設有一圓形 通孔221 ’該圓形通孔221連通有一 L形開槽222 ;該^ 形開槽222係由高頻幅射元件2的底邊223與共用幅射元 件21上頂邊212所形成。另於該高頻幅射元件以一側係由 一弧形侧邊224、一平行頂邊225及- W側邊226連接 而成’以該弧形側邊224、平行頂邊225及^形側邊226 與底邊223形成-個高頻幅射元件22表面積形狀。該[形 側邊226及底邊223的一側延伸有一翼片奶；該低頻幅 射元件23上設有-弧形内側邊231及一 L形内側邊微， 以該弧形内側邊231及l形内侧邊232與弧形侧邊224、 -平行頂邊225及一 L形側邊226形成一几形開槽 (U-shaped slot )233 ’另於低頻幅射元件23外侧邊為一階梯 狀部份234，該階梯狀部份234與弧形内侧邊231及[形 内側邊232，使低頻幅射元件23的第一表面部份23a為 寬、第二表面部份23b為窄、第三表面部份23c &寬：第 四表面部份23d為窄及第五表面部份撕為寬等之表面積 形狀；再於該低頻幅射元件23一側邊延伸有一連續性彎折 M326236 之翼片235 。 該饋入元件3，係呈一 L形的帶狀體31，以承接於該 高頻幅射元件22—側的翼片227上。該饋入元件3與高= 幅射元件22呈近90度角或90度角電性連結，該帶狀體31 一' 端上設有一通孔32，該通孔32係以供焊接一同軸傳輸線 (圖中未示），以作為訊號的饋入點。 請參閱第三圖’係本創作之多頻倒F形天線的俯視及 側視示意圖。如圖所示：多頻倒F形天線的高頻幅射元件 22及低頻幅射元件23可經由以四分之一波長 (qUarter-wavelength)為基礎改變輻射元件的尺寸，而被調 整為工作的頻帶。 " 如圖所示，該低頻幅射元件23的第一表面部份2如為 寬、第二表面部份23b為窄、第三表面部份23c為寬、第 四表面部份23d為窄及第五表面部份23e為寬。由於表面 積形狀較寬區域會使所通過電流大，天線的Q質佳，但是 =影響到頻寬’所以提供表面積形狀較窄區域，係以避免 電流過大，而影響到頻寬。 另，该倒L形接地片12的長度是整體天線的1/8波長 左右（請一併參閱第四圖），係連接於饋入元件 (ieecH>oint)3及接地端（_nd-p〇int)ii之間，藉由倒l形 件（Inverted—L sh〇rt—心）於圓形通孔及l形開 槽^周緣引起的環路表面電流（loop surface cur_)4，用 以二曰加，天線工作頻率的頻寬。使得此天線能夠在多頻率 下侍到見頻效果，進而提昇頻寬的利用率，可適合使用於 M326236 -智慧型手機類的行動通訊設備。 請參閱第五圖，係本創作之多頻倒F形天線電壓駐波 比（VSWR)示意圖。如圖所示：在824MHz為2. 91、894MHz為 2· 09、960MHz 為 3.17、1710MHz 為 3· 46，1990MHz 為 2.22、 2170MHz為3· 19 ’其電壓駐波比均小於3· 5 ，為相當理想的 多頻倒F形天線。 請參閱第六圖，係本創作之多頻倒F形天線返回損失 (Return loss)示意圖。如圖所示：在 824MHz 為-6. 30dB、 _ 894：MHz 為-9. 03dB、960MHz 為-5.67dB、171()MHz 為 -5.16dB、 1990MHz 為-8· 41dB、2170MHz 為-5· 62dB，其返回損失（Return loss)均小於-5· 0，為相當理想的多頻倒f形天線。 請參閱第七〜十圖，係本創作之多頻倒F形天線增益 (Gain)在示意圖。如在894MHz之X-Y平面（piane)的垂直極 化（Vertical)最大增益為-0.55 dBi 。 在水平極化（Horizontal)最大增益為—h36dBi(第八圖 • 所示）。 在1880MHz之X-Υ平面（plane)的垂直極化（verticai)最 大增益為0· 24 dBi (如第九圖所示）。 在水平極化（Horizontal)最大增益為—〇· 39dBi (如第 十圖所示），其性能均相當優異。 請參閱第十一圖，係本創作之另一實施例示意圖。如 圖所示：本創作於該多頻倒F形天線的幅射元件2的表面 上增設有複數個圓形凹槽5，該些凹槽5可以增加該幅射 元件2表面應力，使幅射元件2易於定位及不易變形，且 M326236 有利於快速安裝，增加生產穩定性。 創作乍之較佳實施例而已，並非用㈣ 【圖式簡單說明】 固吓Μι 為一習知倒F型平面天線的結構示意圖。 係本創作之多頻倒F形天線外觀立體示意圖。 係本創作之多頻倒FB天線的俯視示意圖。 係本創作之多頻倒彳形天線的侧視示意圖。 係本創作之多頻倒F形天線電壓駐波比（VSWR)示 第一圖 第二圖 第三圖 第四圖 第五圖 意圖。 第八圖係本創作之多頻倒F形天線返回損失（此加 loss)示意圖。 • * , . + . 第七〜十圖，係本創作之多頻倒F形天線增益（Gain)在示 意圖。 第十一圖，係本創作之另一實施例示意圖。 【主要元件符號說明】 接地端11 凸片112 幅射元件2 高頻幅射元件22 缺口 211、211 圓形通孔221 底邊223 接地元件1 接地通孔111 倒L形接地片12 共用幅射元件21 低頻幅射元件23 上頂邊212 L形開槽222 11 M326236The mouth-grounding element is a T η. The grounding terminal has a grounding end for a locking component grounding through hole 111, and the grounding through hole 1n (not shown in the figure) extends the grounding component 1 and the electronic device side to have a ::: sub ^ Place the grounding terminal electrically. The grounding end η is provided with a tab 112, and the other side is bent to have a 1/8 wavelength M326236 inverted l-shaped grounding piece α-aged L shQrt_line) 12, and the _ l-shaped grounding piece 12 is electrically connected to the radiating element 2 . The (4) component 2 is a sheet-like body formed by a common electrical connection between a common radiating element '21 and (5) a frequency radiating element 22 and a low frequency radiating element. The common radiating element 21 is provided with two notches 2] 1 and 211 on the side. The gap 211 f electrically connects the grounding elements, and the grounding element 1 is electrically connected to the radiating element 2 f at an angle of nearly 90 degrees or 9 degrees. The high-frequency radiation element 22 is provided with a circular through hole 221 near the phantom electrical connection with the common radiating element. The circular through hole 221 is connected with an L-shaped opening 222; the shaped opening 222 is high. The bottom edge 223 of the frequency radiating element 2 is formed with the top edge 212 of the common radiating element 21. In addition, the high-frequency radiation element is connected by a curved side 224, a parallel top edge 225 and a -W side 226 on one side, and the curved side 224, the parallel top edge 225 and the shape are formed. The side 226 and the bottom 223 form a surface area of the high frequency radiating element 22. One side of the [shaped side 226 and the bottom side 223 extends with a fin milk; the low frequency radiating element 23 is provided with a curved inner side 231 and an L inner side micro, with the curved inner side The side 231 and the inner side 232 of the l shape and the curved side 224, the parallel top side 225 and an L-shaped side 226 form a U-shaped slot 233' and the outer side of the low frequency radiating element 23. a stepped portion 234, the stepped portion 234 and the curved inner side 231 and the [inner side 232, the first surface portion 23a of the low frequency radiating element 23 is wide, and the second surface portion 23b The narrow, third surface portion 23c & width: the fourth surface portion 23d is narrow and the fifth surface portion is torn to a wide surface area shape; and further, a continuity is extended on one side of the low frequency radiation element 23. Fold the flap 235 of M326236. The feed element 3 is an L-shaped strip 31 for receiving on the side 144 of the high frequency radiation element 22. The feeding element 3 is electrically connected to the high=radiation element 22 at an angle of nearly 90 degrees or 90 degrees. The strip body 31 is provided with a through hole 32 at one end, and the through hole 32 is for welding a coaxial A transmission line (not shown) is used as a feed point for the signal. Please refer to the third figure for a top view and a side view of the multi-frequency inverted-F antenna of the present invention. As shown, the high frequency radiating element 22 and the low frequency radiating element 23 of the multi-frequency inverted-F antenna can be adjusted to operate by changing the size of the radiating element based on a quarter-wavelength (qUarter-wavelength). Frequency band. " As shown, the first surface portion 2 of the low frequency radiating element 23 is as wide, the second surface portion 23b is narrow, the third surface portion 23c is wide, and the fourth surface portion 23d is narrow. And the fifth surface portion 23e is wide. Since the surface area has a wide area, the current passing through is large, and the Q quality of the antenna is good, but = the bandwidth is affected. Therefore, a region having a narrow surface area is provided to prevent the current from being excessively large and affecting the bandwidth. In addition, the length of the inverted L-shaped grounding piece 12 is about 1/8 wavelength of the whole antenna (please refer to the fourth figure together), and is connected to the feeding element (ieecH>oint) 3 and the grounding end (_nd-p〇) Between the int) ii, by the inverted shape (Inverted-L sh〇rt-heart) in the circular through hole and the l-shaped groove ^ circumference caused by the loop surface current (loop surface cur_) 4, used for two曰, the bandwidth of the antenna operating frequency. This antenna can be used to meet the frequency effect at multiple frequencies, thereby improving the bandwidth utilization, and is suitable for use in the mobile communication device of the M326236-smartphone type. Please refer to the fifth figure, which is a schematic diagram of the voltage standing wave ratio (VSWR) of the multi-frequency inverted F antenna. As shown in the figure: 2.91 at 824MHz, 2.09 at 894MHz, 3.17 at 960MHz, 3.46 at 1710MHz, 2.22 at 1990MHz, and 3·19 at 2170MHz. The voltage standing wave ratio is less than 3.5. A fairly ideal multi-frequency inverted F antenna. Please refer to the sixth figure, which is a schematic diagram of the return loss of the multi-frequency inverted-F antenna. As shown in the figure: -6.30dB at 824MHz, -9. 03dB at _894:MHz, -5.67dB at 960MHz, -5.16dB at 171()MHz, -8.41dB at 1990MHz, and -5MHz at 2170MHz. 62dB, its return loss is less than -5·0, which is a very ideal multi-frequency inverted f-shaped antenna. Please refer to the seventh to tenth figure, which is the schematic diagram of the multi-frequency inverted-F antenna gain (Gain) of this creation. For example, the vertical maximum gain of the X-Y plane (piane) at 894 MHz is -0.55 dBi. The maximum gain in horizontal polarization is -h36dBi (shown in Figure 8). The maximum gain of the vertical polarization (verticai) at the 1880 MHz X-Υ plane is 0·24 dBi (as shown in Figure 9). The maximum horizontal gain is 〇· 39dBi (as shown in Figure 10), and its performance is quite excellent. Please refer to the eleventh figure, which is a schematic diagram of another embodiment of the present creation. As shown in the figure, a plurality of circular grooves 5 are added to the surface of the radiating element 2 of the multi-frequency inverted-F antenna, and the grooves 5 can increase the surface stress of the radiating element 2, so that the amplitude The firing element 2 is easy to position and not easily deformed, and the M326236 facilitates quick installation and increases production stability. The preferred embodiment of the creation is not the use of (4) [Simple Description of the Drawing] The sneak Μ is a schematic diagram of the structure of an inverted F-type planar antenna. The stereoscopic schematic diagram of the multi-frequency inverted F-shaped antenna of the present invention. A schematic top view of the multi-frequency inverted FB antenna of the present invention. A side view of the multi-frequency inverted antenna of the present invention. The multi-frequency inverted-F antenna voltage standing wave ratio (VSWR) shown in this book is shown in the first figure. The second figure is the fourth figure. The fourth figure is the intent. The eighth figure is a schematic diagram of the return loss (this plus loss) of the multi-frequency inverted-F antenna of the present invention. • * , . + . The seventh to tenth figure is the multi-frequency inverted-F antenna gain (Gain) of this creation. Figure 11 is a schematic view of another embodiment of the present creation. [Main component symbol description] Ground terminal 11 Tab 112 Radiation element 2 High-frequency radiation element 22 Notch 211, 211 Circular through hole 221 Bottom side 223 Grounding element 1 Grounding through hole 111 Inverted L-shaped grounding piece 12 Common radiation Element 21 Low frequency radiating element 23 Upper top edge 212 L-shaped slot 222 11 M326236
弧形側邊224 L形側邊226 低頻幅射元件23 L形内側邊232 階梯狀部份234 第二表面部份23b 第四表面部份23d 翼片235 帶狀體31 環路表面電流4 平行頂邊225 翼片227 弧形内侧邊231 几形開槽233 第一表面部份23a 第三表面部份23c 第五表面部份23e 饋入元件3 通孔32 凹槽5Curved side 224 L-shaped side 226 Low frequency radiating element 23 L-shaped inner side 232 Stepped portion 234 Second surface portion 23b Fourth surface portion 23d Flap 235 Strip 31 Loop surface current 4 Parallel top edge 225 fin 227 arcuate inner side 231 several shaped slots 233 first surface portion 23a third surface portion 23c fifth surface portion 23e feed element 3 through hole 32 groove 5
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