1226141 故、發明說明·· 【發明所屬之技術領域】 本發明係關於一種多頻天線，詳言之，係關於一種用於 典線電子裝置之整合型多頻天線。 【先前技術】 隨著無線通訊技術的蓬勃發展，各式多頻的通訊產品也 如雨後春筍般的出現，也因此無線通訊產品逐漸成為人類 生活中的一部分，幾乎所有的新產品都會具備無線傳輸的 月匕以滿足大+的需求，而筆記型電腦時常需要資料傳 輸的動作，無線傳輸可以簡化其許多接線與設定上的困 擾’而為達成無線傳輸的目的，天線的配置成為必要。而 一部具無線傳輸功能的筆記型電腦想要得到市場的廣泛接 受與肯定，其產品的外觀、尺寸與效能，都是非常重要的 關鍵，所以其更是需要有良好的天線設計與配置於適當的 位置。 習知之用於筆記型電腦之天線配置，例如美國專利第 6,339,400B1號所揭示者，其將一個或多個天線u、u設 置於-筆記型電腦i之勞幕10之周圍’如圖i所示'然二 由於該等天線1卜12之接地端必須與螢幕或其框架 連接’因此，該習用之天線配置設計，其安裝位置受限， 不能彈性地調整。 因此，有必要提供-種創新且具進步性的整合型多頻天 線應用於無線電子裝置，以解決上述問題。 【發明内容】1226141 Therefore, the description of the invention ... [Technical field to which the invention belongs] The present invention relates to a multi-frequency antenna. In particular, it relates to an integrated multi-frequency antenna for a typical line electronic device. [Previous technology] With the rapid development of wireless communication technology, various multi-frequency communication products have sprung up. As a result, wireless communication products have gradually become a part of human life, and almost all new products will have wireless transmission. The moon dagger meets the needs of large +, and notebook computers often need data transmission. Wireless transmission can simplify many of the wiring and setting problems. In order to achieve the purpose of wireless transmission, the configuration of the antenna becomes necessary. For a notebook computer with wireless transmission function to be widely accepted and affirmed by the market, the appearance, size, and performance of its products are very important. Therefore, it needs a good antenna design and configuration. Niche. A conventional antenna configuration for a notebook computer, such as disclosed in US Patent No. 6,339,400B1, which places one or more antennas u, u around the labor curtain 10 of the notebook computer 'as shown in Fig. I Indicating 'Ran Er because the ground terminals of these antennas 1 and 12 must be connected to the screen or its frame', therefore, the conventional antenna configuration design has limited installation positions and cannot be adjusted elastically. Therefore, it is necessary to provide an innovative and progressive integrated multi-frequency antenna for wireless electronic devices to solve the above problems. [Summary of the Invention]
O:\85\85853 DOC 1226141 本發明之目的在於提供一種用於一無線電子裝置之整合 型多頻天線，該整合型多頻天線設置於該無線電子裝置 内，該整合型多頻天線包括：一接地金屬片、一連接金屬 片、一第一輻射金屬片及一第二福射金屬片。該接地金屬 片具有至少一固定部，用以固定該整合型多頻天線於該無 線電子裝置。該連接金屬片連接至該接地金屬片，並由該 接地金屬片之中間部延伸。該第一輻射金屬片連接至該連 接金屬片，並沿一第一方向延伸而與該接地金屬片間隔一 距離，用以產生一第一共振模態。該第二輻射金屬片連接 至該連接金屬片，並沿一第二方向延伸而與該接地金屬片 間隔一距離，用以產生一第二共振模態。 本發明之整合型天線係設置於該無線電子裝置内，且該 天線之接地金屬片可單獨提供接地作用，不需與該無線電 子裝置之接地端連接，故本發明之該整合型天線之安裝可 有較佳之彈性，且亦可保有穩定之電氣特性。 本發明之整合型天線可以多頻操作，其輻射效率高且特 性穩定。本發明之整合型天線另具有一輔助接地金屬片， 利用該輔助接地金屬片之可彎折疊置特性，以節省空間符 合客戶機構需求並提供較佳之接地效果及輻射效應。本發 明之整合型天線另具有一辅助輻射金屬片，可調整應用頻 率並增強其輻射效應。 【實施方式】 請參閱圖2A及2B，其顯示本發明應用於一筆記型電腦 2之整合型多頻天線之一實施例之配置結構。本發明可應用O: \ 85 \ 85853 DOC 1226141 The object of the present invention is to provide an integrated multi-frequency antenna for a wireless electronic device. The integrated multi-frequency antenna is disposed in the wireless electronic device. The integrated multi-frequency antenna includes: A ground metal sheet, a connection metal sheet, a first radiation metal sheet, and a second radiation metal sheet. The ground metal sheet has at least one fixing portion for fixing the integrated multi-frequency antenna to the wireless electronic device. The connection metal piece is connected to the ground metal piece and extends from a middle portion of the ground metal piece. The first radiating metal sheet is connected to the connecting metal sheet and extends along a first direction to be spaced apart from the ground metal sheet by a distance for generating a first resonance mode. The second radiating metal sheet is connected to the connecting metal sheet and extends along a second direction to be spaced apart from the ground metal sheet by a distance for generating a second resonance mode. The integrated antenna of the present invention is disposed in the wireless electronic device, and the ground metal piece of the antenna can provide the grounding function independently, and does not need to be connected to the ground terminal of the wireless electronic device. Therefore, the installation of the integrated antenna of the present invention Can have better flexibility, and can also maintain stable electrical characteristics. The integrated antenna of the present invention can operate at multiple frequencies, and has high radiation efficiency and stable characteristics. The integrated antenna of the present invention also has an auxiliary ground metal sheet, which uses the bendable folding characteristics of the auxiliary ground metal sheet to save space in accordance with the needs of customer organizations and provide better grounding effects and radiation effects. The integrated antenna of the present invention also has an auxiliary radiation metal sheet, which can adjust the application frequency and enhance its radiation effect. [Embodiment] Please refer to Figs. 2A and 2B, which show a configuration of an embodiment of an integrated multi-frequency antenna applied to a notebook computer 2 according to the present invention. This invention is applicable
O:\85\85853 DOC 1226141 於包含筆記型電腦之各種無線電子裝置，但並不侷限於筆 記型電腦，一般之個人數位助理（PDA )等電子產品均可 iJ用本發明之整合型多頻天線，以達到無線通訊之目的 該筆記型電腦2具有一螢幕21及一螢幕外殼框架22，本發 明4整合型多頻天線30設置於該筆記型電腦2之螢幕外殼 框架22，並以一同軸導線24連接該整合型天線至該筆 記型電腦2之控制電路，俾利用該天線3〇進行資料傳輸。 參考圖3，本發明第一實施例之該整合型多頻天線包 括 接地至屬片31、一連接金屬片32、一第一輕射金屬 片33及一第二輻射金屬片34。該接地金屬片31具有至少 一固定部，用以固定該整合型多頻天線30至該螢幕外殼框 架22。在本實施例中，固定部係為二貫穿孔37、列，貫穿 該接地金屬片3丨，用以供二螺絲23將該整合型多頻天線 30固定於該筆記型電腦2之螢幕外殼框架22 (如圖2Β 所示）。 該整合型多頻天線30之該連接金屬片32係連接至該接 地金屬片3 1，並由該接地金屬片3 1之中間部延伸，該連接 金屬片與該接地金屬片3 1約略呈互相平行設置。 該第一輻射金屬片33連接至該連接金屬片32，並沿一 第一方向F 1延伸而與該接地金屬片3 1約略呈互相平行設 置且間隔一距離。該第一輻射金屬片33係用以產生一第一 共振模態。該第二輻射金屬片34連接至該連接金屬片32, 並沿一第二方向F2延伸而與該接地金屬片3 1約略呈互相 平行設置且間隔一距離。該第二輻射金屬片34係用以產生O: \ 85 \ 85853 DOC 1226141 For various wireless electronic devices including notebook computers, but not limited to notebook computers. Electronic products such as personal digital assistants (PDAs) can be used in the integrated multi-frequency of the present invention. An antenna for wireless communication. The notebook computer 2 has a screen 21 and a screen housing frame 22. The 4 integrated multi-frequency antenna 30 of the present invention is disposed on the screen housing frame 22 of the notebook computer 2 and is coaxial. The lead wire 24 connects the integrated antenna to the control circuit of the notebook computer 2, and uses the antenna 30 for data transmission. Referring to FIG. 3, the integrated multi-band antenna according to the first embodiment of the present invention includes a ground plate 31, a connection metal plate 32, a first light-emitting metal plate 33, and a second radiating metal plate 34. The ground metal sheet 31 has at least one fixing portion for fixing the integrated multi-band antenna 30 to the screen housing frame 22. In this embodiment, the fixing portion is two through holes 37 and rows, penetrating the ground metal sheet 3 丨 for two screws 23 to fix the integrated multi-frequency antenna 30 to the screen casing frame of the notebook computer 2. 22 (as shown in Figure 2B). The connection metal piece 32 of the integrated multi-frequency antenna 30 is connected to the ground metal piece 31 and extends from the middle portion of the ground metal piece 31. The connection metal piece and the ground metal piece 31 are approximately mutually Set in parallel. The first radiating metal sheet 33 is connected to the connecting metal sheet 32 and extends along a first direction F 1 to be disposed approximately parallel to the ground metal sheet 31 and spaced apart from each other. The first radiating metal sheet 33 is used for generating a first resonance mode. The second radiating metal sheet 34 is connected to the connecting metal sheet 32, and extends along a second direction F2 to be disposed approximately parallel to the ground metal sheet 31 at a distance. The second radiating metal sheet 34 is used for generating
0 \85\85853 DOC 1226141 一第二共振模態。該第一方向F1與該第二方向F2之方向 相反。 本發明第一實施例中之該第一輕射金屬片3 3之長度小 於該第二輻射金屬片34之長度，故該第二共振模態之頻率 低於該第一共振模態之頻率。因此，本發明之整合型多頻 天線30可利用於至少一高頻及至少一低頻之多頻無限通訊 應用。 該整合型多頻天線3〇另包括一饋入點35及一接地點 36’該饋入點35設置於該連接金屬片32，用以與一同軸導 線24之一訊號端連接（如圖2B所示），該接地點35設置 於S接地金屬片3 1，用以與該同軸導線24之一接地端連接 (如圖2B所示）。 參考圖4，本發明第二實施例之該整合型多頻天線4〇包 括：一接地金屬片41、一連接金屬片42、一第一輻射金屬 片43及一第二輻射金屬片44。本發明第二實施例之整合型 多頻天線40與第一實施例之整合型多頻天線3〇之差異在 於· ▲第一輕射金屬片43之長度大於該第二輕射金屬片44 之長度’故該第二共振模態之頻率高於該第一共振模態之 頻率。孩第二共振模態之頻率約為5GHz，該第一共振模態 之頻率約為2.4GHz。 參考圖5，其顯示本發明第三實施例之該整合型多頻天 線5 〇。本發明第三實施例之整合型多頻天線5 〇與第一實施 例之整合型多頻天線30之差異在於：該接地金屬片η之 下增設一輔助接地金屬片52。該輔助接地金屬片52可利用 1226141 鋁箔、銅箔或其他金屬材質製成，亦可用鋁箔貼紙或銅箔 貼紙’利用其可彎折疊置之特性，以避免佔用太多之空間 及符合客戶機構之需求。該輔助接地金屬片52可提供較佳 之接地效果及輻射效應。 參考圖6，其顯示本發明第四實施例之該整合型多頻天 線60。該第三實施例之該整合型多頻天線6〇包括：一接地 金屬片61、一連接金屬片62、一第一輻射金屬片63及一 第二輻射金屬片64。該整合型多頻天線60另包括一饋入點 65及一接地點66，該饋入點65設置於該連接金屬片6?， 用以與一同軸導線68之一訊號端連接。該接地點66設置 於該接地金屬片61，用以與該同軸導線68之一接地端連 接。 由於該同軸導線68經過該整合型多頻天線6〇之該第一 輪射金屬片6 3之附近’為防止該同軸導線$ 8對於兮第一 輻射金屬片63之阻抗造成不良之影響，可縮短之長产 以避開同軸導線68。為達此目的該整合型多頻天線6〇另勺 括一輔助輻射金屬片67，自該第一輕射金屬片沿一第一 方向F3延伸，該第三方向F3與第一方向係呈垂直，可 調整應用頻率並增強其輻射效應，且可補償該同轴導線68 對阻抗之影響。 參考圖7所示，係依據本發明第一實施例整合型多頻天 線30所測量之電壓駐波比（VSWR)，其顯示本發明之整人 型多頻天線30可應用於2.4GHz及5GHz之多頻操作 ^ 參考圖8 A及圖8B所示，係依據本發明第_實施例敕入刑 〇：\85\85853 DOC -9 - 1226141 多頻天線30分別於2.4GHz及5GHz所測量之輻射場型 (Radiation Pattern )，其顯示本發明之整合型多頻天線30 應用於2.4GHz及5GHz之輻射效應相當佳 本發明之整合型天線係設置於該無線電子裝置内，且該 天線之接地金屬片可單獨提供接地作用，不需與該無線電 子裝置之接地端連接。故本發明之該整合型天線不受限於 必須與接地端連接之限制，可有較佳之安裝彈性。另外亦 可利用輔助接地金屬片，提供較佳之接地效果，並保有穩 定之電氣特性。 本發明之整合型天線利用第一輻射金屬片及第二輻射金 屬片以產生第一共振模怨及第二共振模態，使本發明之整 合型天線可多頻操作，其輻射效率高且特性穩定。並且， 本發明之整合型天線另具有辅助接地金屬片，利用該辅助 接地金屬片之可彎折疊置特性，以節省空間並提供較佳之 接地效果及輻射效應。本發明之整合型天線另利用輔助輻 射金屬片，以調整應用頻率並增強其輻射效應，並可補償 同軸導線對整體阻抗之影響，使本發明之該整合型天線敕 體特性穩定。 1 惟上述實施例僅為說明本發明之原理及其功效，而非限 制本發明。因& ’習於此技術之人士可在不達背本發明之 猜神對上述實施例進行修改及變彳卜本發明之權利範圍應 如後述之申請專利範圍所列。 " 【圖式簡單說明】 圖1為白7用《天線設置於筆記型電腦螢幕周圍之示意0 \ 85 \ 85853 DOC 1226141 A second resonance mode. The first direction F1 is opposite to the second direction F2. In the first embodiment of the present invention, the length of the first light-emitting metal sheet 33 is smaller than the length of the second radiation metal sheet 34, so the frequency of the second resonance mode is lower than the frequency of the first resonance mode. Therefore, the integrated multi-frequency antenna 30 of the present invention can be used for multi-frequency wireless communication applications with at least one high frequency and at least one low frequency. The integrated multi-frequency antenna 30 further includes a feed point 35 and a ground point 36 '. The feed point 35 is disposed on the connection metal piece 32 for connection to a signal end of a coaxial wire 24 (see FIG. 2B). (Shown), the ground point 35 is disposed on the S ground metal sheet 31, and is used to connect to one ground end of the coaxial wire 24 (as shown in FIG. 2B). Referring to FIG. 4, the integrated multi-frequency antenna 40 according to the second embodiment of the present invention includes a ground metal sheet 41, a connection metal sheet 42, a first radiating metal sheet 43, and a second radiating metal sheet 44. The difference between the integrated multi-frequency antenna 40 of the second embodiment of the present invention and the integrated multi-frequency antenna 30 of the first embodiment is that the length of the first light-emitting metal piece 43 is greater than that of the second light-emitting metal piece 44. The length 'so the frequency of the second resonance mode is higher than the frequency of the first resonance mode. The frequency of the second resonance mode is about 5 GHz, and the frequency of the first resonance mode is about 2.4 GHz. Referring to FIG. 5, there is shown an integrated multi-frequency antenna 50 according to a third embodiment of the present invention. The difference between the integrated multi-frequency antenna 50 of the third embodiment of the present invention and the integrated multi-frequency antenna 30 of the first embodiment is that an auxiliary ground metal piece 52 is added below the ground metal piece n. The auxiliary grounding metal sheet 52 can be made of 1226141 aluminum foil, copper foil or other metal materials, and can also use aluminum foil stickers or copper foil stickers' to take advantage of its flexible folding characteristics to avoid occupying too much space and meeting the requirements of customer agencies demand. The auxiliary ground metal sheet 52 can provide better grounding effect and radiation effect. Referring to Fig. 6, there is shown an integrated multi-frequency antenna 60 according to a fourth embodiment of the present invention. The integrated multi-band antenna 60 of the third embodiment includes a ground metal sheet 61, a connection metal sheet 62, a first radiating metal sheet 63, and a second radiating metal sheet 64. The integrated multi-frequency antenna 60 further includes a feeding point 65 and a grounding point 66. The feeding point 65 is disposed on the connecting metal piece 6 ′, and is used to connect with a signal end of a coaxial wire 68. The ground point 66 is disposed on the ground metal plate 61 and is used to connect to a ground terminal of the coaxial wire 68. Because the coaxial wire 68 passes near the first round metal sheet 63 of the integrated multi-frequency antenna 60, to prevent the coaxial wire $ 8 from adversely affecting the impedance of the first radiation metal sheet 63, Shortened length to avoid coaxial wire 68. To achieve this, the integrated multi-frequency antenna 60 additionally includes an auxiliary radiation metal sheet 67 extending from the first light-emitting metal sheet in a first direction F3, which is perpendicular to the first direction. , The application frequency can be adjusted and its radiation effect can be enhanced, and the influence of the coaxial wire 68 on the impedance can be compensated. Referring to FIG. 7, the voltage standing wave ratio (VSWR) measured according to the integrated multi-band antenna 30 according to the first embodiment of the present invention, which shows that the whole human multi-band antenna 30 of the present invention can be applied to 2.4 GHz and 5 GHz. Multi-frequency operation ^ Refer to FIG. 8A and FIG. 8B, which are measured according to the _th embodiment of the present invention. 0: \ 85 \ 85853 DOC -9-1226141 The multi-frequency antenna 30 is measured at 2.4GHz and 5GHz, respectively. Radiation pattern, which shows that the integrated multi-frequency antenna 30 of the present invention has a very good radiation effect when applied to 2.4GHz and 5GHz. The integrated antenna of the present invention is set in the wireless electronic device and the antenna is grounded The metal sheet can provide the grounding function independently, and does not need to be connected to the ground terminal of the wireless electronic device. Therefore, the integrated antenna of the present invention is not limited to having to be connected to a ground terminal, and can have better installation flexibility. In addition, the auxiliary grounding metal sheet can also be used to provide better grounding effect and maintain stable electrical characteristics. The integrated antenna of the present invention uses the first radiating metal sheet and the second radiating metal sheet to generate a first resonance mode and a second resonance mode, so that the integrated antenna of the present invention can operate at multiple frequencies, and has high radiation efficiency and characteristics. stable. In addition, the integrated antenna of the present invention further has an auxiliary ground metal sheet, and the flexible grounding characteristic of the auxiliary ground metal sheet is used to save space and provide better grounding effect and radiation effect. The integrated antenna of the present invention further utilizes an auxiliary radiation metal sheet to adjust the application frequency and enhance its radiation effect, and can compensate the effect of the coaxial wire on the overall impedance, so that the integrated antenna body characteristics of the present invention are stable. 1 However, the above embodiments are only for explaining the principle of the present invention and its effects, but not for limiting the present invention. Because & ′ those who are accustomed to this technology can modify and change the above embodiments without guessing the spirit of the present invention, the scope of the right of the present invention should be listed in the scope of patent application described later. " [Schematic description] Figure 1 is a schematic diagram of the antenna set around the screen of a notebook computer for white 7
O:\85\85853 D〇C -10- 1226141 圖； 圖2A為本發明之天線設置於筆記型電腦螢幕外殼框架 之示意圖； 圖2B為本發明之天線設置於筆記型電腦螢幕外殼框架 之局部放大7F意圖， 圖3為本發明天線之第一實施例之結構示意圖； 圖4為本發明天線之第二實施例之結構示意圖； 圖5為本發明天線之第三實施例之結構示意圖； 圖6為本發明天線之第四實施例之結構立體圖； 圖7為依據本發明第一實施例整合型多頻天線所測量之 電壓駐波比圖； 圖8A為依據本發明第一實施例整合型多頻天線於 2.4GHz所測量之輻射場型圖；及 圖8B為依據本發明第一實施例整合型多頻天線於5GHz 所測量之輻射場型圖。 【圖式元件符號說明】 1 :筆記型電腦 10 :螢幕 11、12 :天線 2 :筆記型電腦 21 :螢幕 22 :螢幕外殼框架 23 :螺絲 O:\85\85853 DOC 11 1226141 2 4 :同轴導線 30 :第一實施例之天線 3 1 :接地金屬片 3 2 :連接金屬片 33:第一輻射金屬片 34·弟二輪射金屬片 3 5 :饋入點 3 6 :接地點 37、38 :貫穿孔 40 :第二實施例之天線 41 :接地金屬片 42 ·連接金屬片 43 :第一輻射金屬片 44·弟一輪射金屬片. 50 :第三實施例之天線 5 1 :接地金屬片 52 :輔助接地金屬片 60 :第四實施例之天線 61 ·接地金屬片 6 2 :連接金屬片 63:第一輻射金屬片 O:\85\85853 DOC -12 - 1226141 64 ·弟二輕射金屬片 65 :饋入點 66 :接地點 6 7 :輔助輻射金屬片 68 :同軸導線 0 \85\85853 DOC -I j -O: \ 85 \ 85853 D〇C -10- 1226141 Figure; Figure 2A is a schematic view of the antenna of the present invention installed on the screen frame of a notebook computer; Figure 2B is a portion of the antenna of the present invention provided on the screen frame of a notebook computer 7F is enlarged, FIG. 3 is a schematic structural diagram of a first embodiment of the antenna of the present invention; FIG. 4 is a schematic structural diagram of a second embodiment of the antenna of the present invention; FIG. 5 is a schematic structural diagram of a third embodiment of the antenna of the present invention; 6 is a structural perspective view of the fourth embodiment of the antenna of the present invention; FIG. 7 is a voltage standing wave ratio measured by the integrated multi-band antenna according to the first embodiment of the present invention; FIG. 8A is an integrated type according to the first embodiment of the present invention A radiation pattern of a multi-frequency antenna measured at 2.4 GHz; and FIG. 8B is a radiation pattern of an integrated multi-frequency antenna measured at 5 GHz according to the first embodiment of the present invention. [Illustration of Symbols of Schematic Components] 1: Notebook 10: Screen 11, 12: Antenna 2: Notebook 21: Screen 22: Screen Shell Frame 23: Screw O: \ 85 \ 85853 DOC 11 1226141 2 4: Coaxial Lead wire 30: Antenna 3 of the first embodiment 3: Ground metal sheet 3 2: Connection metal sheet 33: First radiating metal sheet 34 · Second round metal sheet 3 5: Feed point 36: Ground points 37, 38: Through-hole 40: antenna 41 of the second embodiment 41: grounding metal sheet 42. connecting metal sheet 43: first radiating metal sheet 44. first round shot metal sheet. 50: antenna of the third embodiment 5 1: grounding metal sheet 52 : Auxiliary ground metal sheet 60: Antenna 61 of the fourth embodiment · Ground metal sheet 6 2: Connection metal sheet 63: First radiation metal sheet O: \ 85 \ 85853 DOC -12-1226141 64 65: Feed point 66: Ground point 6 7: Auxiliary radiation metal sheet 68: Coaxial wire 0 \ 85 \ 85853 DOC -I j-