1309487 九、發明說明: 【發明所屬之技術領域】 本發明係關於一 天線。 種單極天線,特別關於 —種雙頻單極 【先前技術】 ==的蓬勃發展帶來各種不同應用於多頻 的產扣與技術’以致於許多新產品具有 能’以便滿足消費者之需求。而天線的性 中用來發射與接收電磁波能量的重要元件,若是 線’則無線傳輸系統將會無法發射與接收資料 線的角色在無線傳輸來說,是不可或缺的—環 適〆 :天,除了有助於搭配產品的外型以及提升傳輸特: 1:: 一步降低產品成本。由於目前在各種不同 巾,所使㈣天線設計方法與製作材質也不* 相同,另外,針對每一個國家所需要的使用頻帶不同,ς =天線時亦要相當的考量,目前較通用的對於頻帶的規 辄有删⑽2.1卜以及目前最熱Η的藍芽通訊_ 15 1) 等等’其中藍芽卫作於2.4GHZ頻帶,8G211又 敝山、802.llb、以及8〇2.llg ’分別是針對观帶 以及2_4GHZ頻帶作定義。 、页 如圖1所示,習知的一種雙頻單極天線2係包括一基 板11、一輪射元件12及一傳輸線13。輕射元件12係形 成於基板η之表面,域射元件12具有—中央輻射體⑵ Ϊ309487 122、123 ’韓射臂122、123係對稱設置於中 心=m之兩侧,以使韓射臂122、123與中央賴射 $ ^生電磁ϋ合效應。傳輸線13係姻至中央幸畐射 體⑵與輻射臂以傳輸信號。中央輕射體ΐ2ΐ ^作於—低顏態、,而輻射f 122、123係操作於高頻 上述之習知雙頻單極天線1係藉由輕射臂122、123 ,中央糾體121產生電磁_合效應以調整雙頻單極天線 者幸^^配。然而,1_ 122、123若尺寸稍有誤差或 i22、123與中央輻射體121之間的距離有誤差, 貝J曰導致阻抗匹配不佳,甚至有可能會因輕射们22、⑵ ^中=射體121的輯太遠而根本無法產生電磁麵合效 i之1=致其雙頻的功能喪*。因此,其係—種_度極 m人承上所述,如何增加雙頻單極天線的操作頻帶寬度 ^於世界各國龍範,且降傾_度,俾使雙頻單 '― 〇 雙頻::應!產品能符合更多國家區域的需求,實屬當前 雙頻早極天線應用之重要課題之 【發明内容】 作储上述課題,本發明之目的為提供—種可增加操 作頻=度’且可降低其敏感度之雙頻單極天線。 2疋,為達上述目的,依本發明之雙頻單極天線包括 有一基板、-電性連接部、―第—頻率輻射部一第二頻 1309487 率幸曰射邛、一輻射金屬線與一傳輸線。基板具有一第一表 面及與第-表面相對之—第二表面。電性連接部係設置於 基板之第-表面,且電性連接部具有—饋人點。第一頻率 ㈣部之-端係與電性連接部電連接,且第—頻率輕射部 係第-方向延設於基板之第—表面。第二頻率輕射部 之-^係與電性連接部電連接,且第二頻率輕射部係 一方向延設於基板之第—表面。輻射金 頻率輻射部之基板的第一声而|又方、弟一 接部之饋人點。 表面。傳輪線係電連接於電性連 μ承上所述’因依本發明之雙頻單極天線係利用朝同— =而設置的第一頻率韓射部以及第二頻率 ㈣於低頻以及高頻模式而達到雙頻效果,且利 屬線與第二頻率輻射部產生諧振以增加,田: 極天線擁有雙頻之效果且有較 使雙頻單 技術需靠間隙產生㈣::=二=不需如習知 較不敏感的功效。 ,、尺寸-差’因此具有 【實施方式】 以下將參照相關圖式,褚明 頻單極天H中相本發明較佳實施例之雙 明。 中相件將以相同的參照符號加以說 3月參如、圖2所示,本發明較佳每 3包含有__芙板31 ^ 彳只知例之雙頻單極天線 ^有基板31、—電性連接部32、 33、—第二頻率輻射部34 #-頻率轎射部 幸田射金屬線35以及一傳輪 1309487 線36。 基板31具有一第一表面31厂以及與第一表面311相對 之:第二表面312(如圖3所示)。本實施例中,基板31之 才貪係可為 BT (Bismaleimide-triazine)樹脂或 FR4 (破 mm ; Fiberglass reinforced epoxy resin)1309487 IX. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to an antenna. Monopole antennas, especially with regard to a kind of dual-frequency monopole [previous technology] == The booming development brings a variety of different production and technology for multi-frequency so that many new products have the ability to meet the needs of consumers. . The important component of the antenna used to transmit and receive electromagnetic wave energy, if it is a line, then the wireless transmission system will not be able to transmit and receive the role of the data line in the wireless transmission, it is indispensable - the ring is appropriate: In addition to helping to match the appearance of the product and improving the transmission: 1:: One step to reduce product costs. Because the current design methods and materials are not the same in different kinds of towels, in addition, the frequency band used for each country is different, ς = antenna is also considered quite, and the current frequency band is more common. The rules are deleted (10) 2.1 and currently the most enthusiastic Bluetooth communication _ 15 1) etc. 'Blue Guardian in the 2.4GHZ band, 8G211 and 敝. 802.llb, and 8 〇 2.llg 'Definition is for the viewing band and the 2_4GHZ band, respectively. Page 1 As shown in FIG. 1, a conventional dual-frequency monopole antenna 2 includes a substrate 11, a projecting element 12, and a transmission line 13. The light projecting element 12 is formed on the surface of the substrate η, and the domain element 12 has a central radiator (2) Ϊ 309487 122, 123 'the Korean arm 122, 123 is symmetrically disposed on both sides of the center = m, so that the Han arm 122 , 123 and the central Lai shot $ ^ raw electromagnetic coupling effect. The transmission line 13 is married to the central stimulator (2) and the radiating arm to transmit signals. The central light-emitting body ΐ 2ΐ ^ is in the low-state, and the radiation f 122, 123 is operated at the high frequency. The conventional dual-frequency monopole antenna 1 is generated by the light-emitting arms 122, 123 and the central correcting body 121. The electromagnetic_combination effect is used to adjust the dual-frequency monopole antenna. However, if there is a slight error in the size of 1_122, 123 or the distance between i22, 123 and the central radiator 121, the impedance of the shell J is poor, and it may even be due to the light shots 22, (2) ^ = The series of the projecting body 121 is too far away to produce the electromagnetic surface effect i1 = the function of the dual frequency is lost. Therefore, its system---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- How to increase the operating bandwidth of dual-frequency monopole antennas ::should! The product can meet the needs of more countries and regions, and is an important subject of the current dual-frequency early-pole antenna application. SUMMARY OF THE INVENTION The object of the present invention is to provide an increase in operating frequency = degree and can be reduced Its dual-frequency monopole antenna. In order to achieve the above object, the dual-frequency monopole antenna according to the present invention comprises a substrate, an electrical connection portion, a first frequency radiating portion, a second frequency 1309487, a radiant metal wire, and a radiation metal wire. Transmission line. The substrate has a first surface and a second surface opposite the first surface. The electrical connection portion is disposed on the first surface of the substrate, and the electrical connection portion has a feed point. The end portion of the first frequency (four) portion is electrically connected to the electrical connection portion, and the first-direction of the first-frequency light-emitting portion is extended on the first surface of the substrate. The second frequency light-emitting portion is electrically connected to the electrical connection portion, and the second frequency light-emitting portion is extended in the first surface of the substrate. The first sound of the substrate of the radiating gold frequency radiating portion is the feeding point of the side and the other side. surface. The transmission line is electrically connected to the electrical connection, and the first frequency of the two-frequency monopole antenna system according to the present invention is used for the same frequency and the second frequency (four) is low frequency and high. The frequency mode achieves the dual-frequency effect, and the line of interest and the second frequency radiating part resonate to increase, and the field antenna has the effect of dual frequency and has a double-frequency single technique to generate a gap (4)::=2= There is no need for less sensitive effects as is known. </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> <RTIgt; The middle phase components will be referred to by the same reference numerals in March, and as shown in FIG. 2, and the present invention preferably includes a dual-frequency monopole antenna having a substrate 31, each of which includes a __ board 31 ^ - Electrical connection portions 32, 33, - second frequency radiating portion 34 #-frequency car portion Kosoda injection metal wire 35 and a transmission wheel 1309487 line 36. The substrate 31 has a first surface 31 and is opposite the first surface 311: a second surface 312 (shown in Figure 3). In this embodiment, the substrate 31 can be BT (Bismaleimide-triazine) resin or FR4 (fiberglass reinforced epoxy resin).
;成之印刷電路板’亦可為以㈣亞胺製成 之可撓性薄片基板(Fle5dble仞爪,甚至可整人 於電路的-部份,以減少所佔據的空間。 〇 電性連接部32係設置於基板31之第一表面311上, 且電性連接部32具有一饋入點321。 頰平輻射部 ' 〜 % .即丹电性運接部32電ϋ ^且^頻_射部33係朝—第—方向延設於基板3 接W2 上。本實施财’第—方向係為由電性讀 頻率U 之—側邊的方向。本實施例中,第一 頻率輻射部33係可操作於頻率約為 第二頻__ 34:/為.4邮之頻段範圍。 乐料‘射4 34之—端係與電 接’且第一頻率輻射部33亦 口 … 第—表面311上。本實施例中,第_^^基㈣之 操作於頻率約為避ζ之頻段範圍4^_射部34係可 輕射金屬線35之-端係與電性連 輻射金屬線35係鄰設於第二頻率輻射部 連接,且 第一表面311上。本實施例中,輻射全屬線3二板31的 第二頻率補部34產生譜振,· 4 35係用以與 在5GHz頻段的操作頻寬,使其㈢第:頻率輕射部34 '、/函盍由4.9GHz至 1309487 5.85GHz之操作頻段。 第一嶋射部33、第二嶋射部% 朝;射係分別電連接至電性連接部32,且分別 :向延設於基板31之第一表面3ΐι上。 貫鼽例中,第一頻率輻射部33 ,本 射部34之長度,而第二頻 二^ —頻率輻 金屬線35之長度。科“射部34之長度係大於韓射 傳輪線36#、f連胁祕 用以傳輸信號。本實施例中,傳料%321 屬構件、—微帶線、一 乂中傳f線36係可為-饋入金 並 :線,、千面波導、或-同軸傳輸線等等, ·線係可印製或餘刻於基板31之第— 上0The printed circuit board can also be a flexible sheet substrate made of (iv) imine (Fle5dble claws, even the whole part of the circuit to reduce the occupied space. The 32-series are disposed on the first surface 311 of the substrate 31, and the electrical connection portion 32 has a feeding point 321 . The buccal radiating portion ' 〜 % 。 。 。 。 。 。 。 。 。 。 。 The portion 33 is extended in the first direction on the substrate 3 to the W2. The first direction is the direction of the side of the electrical read frequency U. In the present embodiment, the first frequency radiating portion 33 The system can operate at a frequency range of about the second frequency __ 34: / is a frequency range of .4 mail. The music material 'shoots 4 34 - the end system and the electrical connection' and the first frequency radiation portion 33 is also the mouth... In the present embodiment, the _^^ base (4) operates in a frequency range in which the frequency is approximately circumvented. The illuminating portion 34 is a light-emitting metal line 35-end and an electrical radiant metal line 35. The first frequency is connected to the second frequency radiating portion and is connected to the first surface 311. In this embodiment, the second frequency complementing portion 34 of the radiating all-line 3 and second plates 31 generates a spectral vibration, and the 4 35 series With the operating bandwidth in the 5 GHz band, the (3): frequency light-emitting portion 34', / function is operated from 4.9 GHz to 1309487 5.85 GHz. The first radiating portion 33 and the second radiating portion are The emitters are electrically connected to the electrical connecting portions 32, respectively, and are respectively extended on the first surface 3 of the substrate 31. In the example, the first frequency radiating portion 33, the length of the local portion 34, and the first The length of the two-frequency two-frequency spoke metal wire 35. The length of the shooting portion 34 is greater than that of the Han-Yuan transmission wheel line 36#, and the f-linking secret is used to transmit signals. In this embodiment, the material transfer member is 321 members. , - microstrip line, a series of f-line 36 can be - feed gold and: line, thousand plane waveguide, or - coaxial transmission line, etc., / line can be printed or engraved on the substrate 31 - On 0
将·^參照圖3所示,本實施例中,更包含—金屬層37, 第^又置於與第—頻率輻射部33相對應位置之基板_ 二又面312上,其係可由銅箱製成。基板31之第二表 2的金屬層37係可與基板31之第一表面叫之第一 33產生電容效應’而可以等效地縮短天線的 長又’使得天線可以更小型化。 38 ’係可設置於 天線系統的接地 另外,本實施例中,更包含一接地片 基板31之第二表面312上,可作為整體 端0 ,凊參照圖4與圖5所示,於圖4中,縱轴係代表返 貝失(Ret_loss)’而縱軸代表頻率。於圖5 +,縱 表電壓靜態駐波比(VSWR),而橫轴代表頻率。依照返回 10 1309487 ^低於·職之定義’以及電㈣態料 ==:r較佳實施例之雙頻單極天線二 乍、更少的頻#圍内。本實施例中,帛 糸可刼作於頻率約2.4GHz之頻段’而第田二 係可操作於頻率約5GHz之頻段。弟―頻羊輪射部34 圖6至圖14係顯示本發明較佳 5線3_作於2鳥、2_、25^=^ • 15GHz ' 5.25GHz > 5.35GHz > S 7spu 輻射場型圖之量測結果。5.75啦以及5.伽Hz的 方二 =广發明之雙頻單極天線係利用朝同- f乍於低頻以及高頻模式而達到雙頻效果,且利用 屬線㈣二解輻射部產生魏以增加Referring to FIG. 3, in this embodiment, a metal layer 37 is further included, and the second layer is placed on the substrate _ two-side surface 312 corresponding to the first-frequency radiating portion 33, which may be a copper box. production. The metal layer 37 of the second surface 2 of the substrate 31 can be said to have a capacitive effect with the first surface of the substrate 31, and can be equivalently shortened by the length of the antenna so that the antenna can be further miniaturized. 38' can be disposed on the ground of the antenna system. In addition, in this embodiment, the second surface 312 of the grounding substrate 31 can be used as the integral end 0, as shown in FIG. 4 and FIG. In the middle, the vertical axis represents the return loss (Ret_loss) and the vertical axis represents the frequency. In Figure 5 +, the vertical voltage static standing wave ratio (VSWR), and the horizontal axis represents the frequency. According to the return 10 1309487 ^ below the definition of the job' and the electric (four) state ==: r preferred embodiment of the dual-frequency monopole antenna 乍, less frequency # within. In this embodiment, the 帛 can be used in the frequency band of about 2.4 GHz and the second system can operate in the frequency band of about 5 GHz. Figure 6 to Figure 14 shows a preferred 5-line 3_ for 2 birds, 2_, 25^=^ 15 GHz ' 5.25 GHz > 5.35 GHz > S 7spu radiation pattern The measurement results of the graph. 5.75 啦 and 5. Gamma's square two = widely invented the dual-frequency monopole antenna system to achieve dual-frequency effects by using the same-f乍 in low-frequency and high-frequency modes, and using the genus (4) two-radiation part to generate Wei Yi increase
:於第一頻彻部之相對應位置的基板表面設IS ;寬==的尺寸’以期雙頻單極天線具有較大 ,合現代所需求的輕、薄、短、 以上所述僅為舉触,㈣為㈣性者 本發明之精神與料,而對其進行之等效修改或=脫: 應包含於後附之申請專利範圍中。 【圖式簡單說明】 示意圖; 圖1為-示意圖,顯示習知雙頻單極天線之 1309487 圖2為一示意圖,顯示依本發明較佳實施例之雙頻單 極天線之一示意圖; 圖3為一示意圖,顯示依本發明較佳實施例之雙頻單 極天線之另一示意圖; 圖4為一示意圖,顯示依本發明較佳實施例之雙頻單 極天線之返回損失之量測結果; 圖5為一示意圖,顯示依本發明較佳實施例之雙頻單 極天線之電壓駐波比之量測結果; 圖6為一示意圖,顯示依本發明較佳實施例之雙頻單 極天線於2.4GHz時之E-Plane的輻射場型量測結果; 圖7為一示意圖,顯示依本發明較佳實施例之雙頻單 極天線於2.45GHz時之E-Plane的輻射場型量測結果; 圖8為一示意圖,顯示依本發明較佳實施例之雙頻單 極天線於2.5GHz時之E-Plane的輻射場型量測結果; 圖9為一示意圖,顯示依本發明較佳實施例之雙頻單 φ 極天線於4.9GHz時之E-Plane的輻射場型量測結果; 圖10為一示意圖,顯示依本發明較佳實施例之雙頻 單極天線於5 · 15GHz時之E-Plane的輻射場型量測結果; 圖11為一示意圖,顯示依本發明較佳實施例之雙頻 單極天線於5.25GHz時之E-Plane的輻射場型量測結果; 圖12為一示意圖,顯示依本發明較佳實施例之雙頻 單極天線於5.35GHz時之E-Plane的輻射場型量測結果; 圖13為一示意圖,顯示依本發明較佳實施例之雙頻 單極天線於5.75GHz時之E-Plane的輻射場型量測結果; 12 1309487 以及 圖14為一示意圖,顯示依本發明較佳實施例之雙頻 單極天線於5.85GHz時之E-Plane的輻射場型量測結果。 元件符號說明: I 雙頻單極天線 II 基板 12 發射單元 * 121中央輻射體 122 輻射臂 123 輻射臂 13 傳輸線 3 雙頻單極天線 31 基板 311 第一表面 φ 312 第二表面 32 電性連接部 321 饋入點 33 第一頻率輻射部 34 第二頻率輻射部 35 輻射金屬線 36 傳輸線 37 金屬層 38 接地片 13: The surface of the substrate at the corresponding position of the first frequency portion is set to IS; the size of the width == 'in view of the fact that the dual-frequency monopole antenna has a larger size, which is lighter, thinner and shorter as required by modern times. (4) The spirit and material of the present invention are (4), and equivalent modifications or = removals thereof are included in the scope of the appended patent application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a conventional dual-frequency monopole antenna 1309487. FIG. 2 is a schematic view showing a schematic diagram of a dual-frequency monopole antenna according to a preferred embodiment of the present invention; FIG. 4 is a schematic diagram showing the measurement result of the return loss of the dual-frequency monopole antenna according to the preferred embodiment of the present invention. FIG. FIG. 5 is a schematic diagram showing the measurement results of the voltage standing wave ratio of the dual-frequency monopole antenna according to the preferred embodiment of the present invention; FIG. 6 is a schematic diagram showing the dual-frequency monopole according to the preferred embodiment of the present invention; The radiation field type measurement result of the E-Plane of the antenna at 2.4 GHz; FIG. 7 is a schematic diagram showing the radiation field type of the E-Plane of the dual-frequency monopole antenna at 2.45 GHz according to the preferred embodiment of the present invention. FIG. 8 is a schematic diagram showing the radiation field type measurement result of the E-Plane of the dual-frequency monopole antenna at 2.5 GHz according to the preferred embodiment of the present invention; FIG. 9 is a schematic view showing the comparison according to the present invention. The dual-frequency single φ pole antenna of the preferred embodiment is at 4.9 GHz The radiation field type measurement result of the E-Plane at the time; FIG. 10 is a schematic view showing the radiation field type measurement result of the E-Plane of the dual-frequency monopole antenna according to the preferred embodiment of the present invention at 5 · 15 GHz; 11 is a schematic diagram showing the measurement results of the radiation field type of the E-Plane of the dual-frequency monopole antenna at 5.25 GHz according to a preferred embodiment of the present invention; FIG. 12 is a schematic view showing a preferred embodiment of the present invention. The radiation field type measurement result of the E-Plane of the dual-frequency monopole antenna at 5.35 GHz; FIG. 13 is a schematic diagram showing the E-Plane of the dual-frequency monopole antenna at 5.75 GHz according to the preferred embodiment of the present invention. The radiation field type measurement results; 12 1309487 and FIG. 14 are schematic diagrams showing the radiation field type measurement results of the E-Plane at 5.85 GHz of the dual-frequency monopole antenna according to the preferred embodiment of the present invention. Description of component symbols: I Dual-frequency monopole antenna II Substrate 12 Transmitting unit* 121 Central radiator 122 Radiation arm 123 Radiation arm 13 Transmission line 3 Dual-frequency monopole antenna 31 Substrate 311 First surface φ 312 Second surface 32 Electrical connection 321 feed point 33 first frequency radiating portion 34 second frequency radiating portion 35 radiating metal line 36 transmission line 37 metal layer 38 grounding strip 13