201123620 六、發明說明： 【發明所屬之技術領域】 [0001]本發明涉及一種具有雙頻段的塊狀天線（Patch An_ tenna) ° 【先前技術】 [〇〇〇2]圖1為現有塊狀天線的結構圖。現有塊狀天線1包括一面 狀天線本體11、一介質12、一接地部13、一第一傳輸線 14及一饋入點A »其中，面狀天線本體丨丨、接地部丨3及第 一傳輸線14均為導體。介質12設置在面狀天線本體11及 接地部13之間’可声FR4(Flame .Retardant 4)、空氣 或陶瓷等材料。第一傳輸線14垂直該長方开灰的一邊，並 相交于該邊的中點。 [0003]圖2為現有塊狀天線的尺寸示意圖。通過第一傳輸線14的 連接，天線共振頻率與天線本體丨丨的關樣為：201123620 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a patch antenna having a dual band (Patch An_tenna) ° [Prior Art] [〇〇〇2] FIG. 1 is a conventional block antenna Structure diagram. The existing block antenna 1 includes a planar antenna body 11, a medium 12, a grounding portion 13, a first transmission line 14 and a feeding point A » wherein the planar antenna body 丨丨, the grounding portion 丨 3 and the first transmission line 14 are all conductors. The medium 12 is disposed between the planar antenna body 11 and the ground portion 13 as a material such as FF4 (Flame.Retardant 4), air or ceramic. The first transmission line 14 is perpendicular to the side of the rectangular opening and intersects at the midpoint of the side. 2 is a schematic view showing the size of a conventional block antenna. Through the connection of the first transmission line 14, the antenna resonance frequency and the antenna body 丨丨 are:
[0004][0004]
[0005]其中’ ε r為介質12的介電係數，v為電磁波速度=3*108m ’ L為與第-傳輪線14連接的長方形的一邊的鄰邊的邊長 。因此’現有塊狀天線丨通過第一傳輸線14的連接產生單 一共振頻率，無法實現雙頻段的要求。 【發明内容】 剛㈣於此，有轉提供—财以實現㈣段要求的塊狀 0982078437-0 098145984 表單煸號A0101 第3頁/共12頁 201123620 天線。 [0007] 本發明所提供了 一種雙頻段塊狀天線，包括一面狀天線 本體、一介質、一接地部、一第一傳輸線及一饋入點， 其中，所述介質設置在所述面狀天線本體及所述接地部 之間，所述面狀天線本體為一長度和寬度不同的長方形 ，所述第一傳輸線蚕直該長方形的一邊，並與該邊相交 ，所述雙頻段塊狀天線還包括一第二傳輸線，垂直與第 一傳輸線垂直的長方形一邊的鄰邊，與該鄰邊相交點， 並於第一傳輸線連接於所述儀入點。 . ：' ... ........ 【實施方式】 [0008] 圖3及圖4為本發明的雙頻段塊狀天線優選實施方式下的 結構圖及天線共振尺寸示意躅。相對于現有塊狀天線1 ’ 雙頻段塊狀天線2中面狀天線本體11平面為一長度和寬度 不相同的長方形，如圖4中所示邊長分別.對應為L1和L2。 雙頻段塊狀天線2還包括一第二傳輸線15，垂直與第一傳 . ... ：! . "... ；： 輸線14垂直的長方形一邊的鄰.、邊，並_交于該邊的中點 ，並於第一傳输線14速接於饋入點A。通過饋入點A連接 的第一傳輸線14使本發明雙頻段塊狀天線2具有對應於L1 的共振頻率^為： [0009]Wherein ε r is the dielectric constant of the medium 12, and v is the electromagnetic wave velocity = 3 * 108 m ′ L is the side length of the adjacent side of the rectangular side connected to the first transmission line 14 . Therefore, the connection of the existing block antenna 丨 through the first transmission line 14 produces a single resonance frequency, and the requirement of the dual band cannot be achieved. [Summary of the Invention] Just (four) here, there is a block to provide the financial requirements to achieve the requirements of paragraph (4) 0982078437-0 098145984 Form nickname A0101 Page 3 / a total of 12 pages 201123620 Antenna. [0007] The present invention provides a dual-band block antenna including a planar antenna body, a medium, a grounding portion, a first transmission line, and a feeding point, wherein the medium is disposed on the planar antenna Between the body and the grounding portion, the planar antenna body is a rectangle having different lengths and widths, and the first transmission line is straight to one side of the rectangle and intersects the side, and the dual-band block antenna is further The second transmission line includes an adjacent side of a rectangular side perpendicular to the first transmission line, intersecting the adjacent side, and connected to the instrument in point at the first transmission line. [0008] FIG. 3 and FIG. 4 are a structural diagram and an antenna resonance size schematic diagram of a preferred embodiment of the dual-band block antenna of the present invention. With respect to the existing block antenna 1', the plane of the planar antenna body 11 in the dual-band block antenna 2 is a rectangle having a different length and width, and the side lengths as shown in Fig. 4 correspond to L1 and L2, respectively. The dual-band block antenna 2 further includes a second transmission line 15 which is perpendicular to the first pass, the edge of the rectangular side perpendicular to the first pass ... ...:; "...;: the transmission line 14 The midpoint of the side is fastened to the feed point A at the first transmission line 14. The first transmission line 14 connected by the feed point A causes the dual-band block antenna 2 of the present invention to have a resonance frequency corresponding to L1: [0009]
[0010] 098145984 通過饋入點A連制第二傳輪祕使本發明雙減塊狀天 表單編號A0101 第4頁/共12頁 0982078437-0 201123620 線2具有對應於L2的共振頻率%為：[0010] 098145984 The second transfer wheel is made by the feed point A. The double deceleration block form of the present invention Form No. A0101 Page 4 of 12 0982078437-0 201123620 Line 2 has a resonance frequency % corresponding to L2:
[0011] [0012] 從而，由於該雙頻段塊狀天線2通過第一傳輸線14和第二 傳輸線15的連接，且面狀天線本體11具有兩個不同長度 的邊長L1及L2，則相應的具有兩個共振頻率。 [0013] 圖5為本發明的雙頻段塊狀天線在優選實施方式下的電氣 特性圖。圖中表示了本發明雙頻段塊狀天線2在不同的工 作頻帶下的回波損耗（return loss)。從圖中可以看到 當本發明雙頻段塊狀天線工作頻帶為0. 8GHz及1. 3GHz時 ，對應的回波損耗值為-20dB及-14dB，遠低於其他頻帶 下的回波損耗值，因此，本發明雙頻段塊狀天線2通過第 一傳輸線14及第二傳輸線15的雙路徑實現了對現有塊狀 天線1的雙頻段的要求。 【圖式簡單說明】 [0014] 圖1為現有塊狀天線的結構圖。 [0015] 圖2為現有塊狀天線的共振尺寸示意圖。 [0016] 圖3為本發明的雙頻段塊狀天線優選實施方式下的結構圖 [0017] 圖4為本發明的雙頻段塊狀天線優選實施方式下的共振尺 寸示意圖。 098145984 表單編號A0101 第5頁/共12頁 0982078437-0 201123620 [0018] 圖5為本發明的雙頻段塊狀天線優選實施方式下的電氣特 性圖。 【主要元件符號說明】 [0019] 現有塊狀天線1 [0020] 天線本體11 [0021] 介質 12 [0022] 接地部13 [0023] 第一傳輸線14 [0024] 雙頻段塊狀天線2 [0025] 第二傳輸線15[0012] Thus, since the dual-band block antenna 2 is connected through the first transmission line 14 and the second transmission line 15, and the planar antenna body 11 has two different lengths of side lengths L1 and L2, the corresponding Has two resonant frequencies. 5 is an electrical characteristic diagram of a dual-band block antenna of the present invention in a preferred embodiment. [0013] FIG. The figure shows the return loss of the dual-band block antenna 2 of the present invention in different operating bands. It can be seen from the figure that when the operating band of the dual-band block antenna of the present invention is 0.8 GHz and 1.3 GHz, the corresponding return loss values are -20 dB and -14 dB, which is much lower than the return loss values in other frequency bands. Therefore, the dual-band block antenna 2 of the present invention realizes the dual-band requirement of the existing block antenna 1 through the dual paths of the first transmission line 14 and the second transmission line 15. BRIEF DESCRIPTION OF THE DRAWINGS [0014] FIG. 1 is a structural diagram of a conventional block antenna. 2 is a schematic diagram showing the resonance size of a conventional block antenna. 3 is a structural diagram of a preferred embodiment of a dual-band block antenna of the present invention. [0017] FIG. 4 is a schematic diagram of a resonance size of a preferred embodiment of a dual-band block antenna of the present invention. 098145984 Form No. A0101 Page 5 of 12 0982078437-0 201123620 [0018] FIG. 5 is an electrical characteristic diagram of a preferred embodiment of the dual band block antenna of the present invention. [Main Component Symbol Description] [0019] Existing Block Antenna 1 [0020] Medium Body 12 [0022] Grounding Port 13 [0023] First Transmission Line 14 [0024] Dual-Band Block Antenna 2 [0025] Second transmission line 15
[0026] 饋入點A 0982078437-0 098145984 表單編號A0101 第6頁/共12頁Feeding point A 0982078437-0 098145984 Form number A0101 Page 6 of 12