M378494 五、新型說明： 【新型所屬之技術領域】 本創作涉及一種天線，尤其涉及一種貼片天線裝置。 【先前技術】 按，當前遊戲機等消費性電子產品的小型化、多功能化 要求用於電磁訊號收發的天線裝置朝著小型化和高可靠性的 方向發展，貼片天線以其尺寸小、全方向輻射等特點在遊戲 機中得到廣泛應用。 習知用於遊戲機上的貼片天線包括一輻射體、一接地 板。輻射體通過複數絕緣柱支撐於電路板上，從而使輻射體 與電路板之間形成一縫隙，接地板上開設有饋電孔，饋入線 通過饋電孔對輻射體進行耦合饋電。 惟，上述習知耦合式貼片天線製造工藝複雜、結構尺寸 較大。 【新型内容】 本創作的主要目的係針對上述習知技術存在之缺陷提供 一種製造工藝簡單、結構尺寸小的天線裝置。 為實現上述目的，本創作天線裝置包括一絕緣介質板、 一接地板、一貼片輻射體及兩饋電探針。絕緣介質板的背面 著附有金屬薄層從而形成接地板；貼片輻射體呈矩形狀，該 貼片輻射體貼附固定於所述絕緣介質板的頂面；兩饋電探針 包括一水平饋電探針及一垂直饋電探針，兩饋電探針均穿過 絕緣介質板及貼片輻射體，上端伸出貼片輻射體外。 綜上所述，本創作天線裝置將貼片輻射體貼附固定於所 述電路板的上面，具有製造工藝簡單、結構尺寸小的優點。 3 M378494 【實施方式】 為詳細說明本創作之技術内容、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。 請參閱第一圖，該天線裝置100包括一絕緣介質板1、一 接地板2、一貼片輻射體3及兩饋電探針4。 絕緣介質板1的右端開設有兩圓孔（圖中未標示），左端開 設有複數個過孔11，以消減天線裝置100的電容效應。絕緣 介質板1的背面於兩圓孔相對應的位置設置有一水平饋電電 路（圖中未示）及一垂直饋電電路（圖中未示）。絕緣介質板i的 背面著附有金屬薄層，從而形成一接地板2，接地板2於水平 饋電電路及垂直饋電電路處留有絕緣區。 作為天線裝置100的輻射部分，貼片輻射體3通過焊錫 貼附固定於絕緣介質板1上面的右端，該貼片輻射體3由高 導電率金屬材料製成，本實施例中該材料為金屬銅。貼片輻 射體3呈矩形，優選為正方形，貼片輻射體3上開設有兩圓 孔（圖中未標示）。 作為天線裝置100的饋電部分，饋電探針4為實心圓柱 體，並由金屬銅製成，所述絕緣介質板1及貼片輻射體3上 的圓孔均與饋電探針4的直徑相匹配。饋電探針4包括一水 平饋電探針41及一垂直饋電探針42。 本創作天線裝置100在組裝時，饋電探針4穿過絕緣介 質板1及貼片輻射體3上的圓孔，饋電探針4的上端伸出貼 片輻射體3外，水平饋電探針41的底部連接水平饋電電路， 垂直饋電探針42的底部連接垂直饋電電路，從而實現連接貼 片輻射體3及饋電電路的功能。 本創作天線裝置100工作頻率在2 45GHz左右，天線厚 4 M378494 度為3.4mm，絕緣介質板1採用相對介電常數為4.7的FR4 玻璃纖維板製成，同時貼片輻射體3的邊長為25mm。合理安 置饋電點的位置可使天線的諧振阻抗達最佳匹配效果，本創 作中水平饋電探針4距貼片輻射體3上邊緣6.25mm，距左邊 緣約8.33mm;垂直饋電探針4距貼片輻射體3右邊緣 6.25mm，距下邊緣約8.33mm。 請參閱第二圖，係本創作天線裝置1〇〇的水平方向電壓 駐波比之測試圖。當天線裝置100工作於2.4GHz(圖中Mkrl) 及2.5GHz(圖中Mkr2)時，水平方向電壓駐波比均接近於1。 請參閱第三圖，係本創作天線裝置100的垂直方向電壓 駐波比之測試圖。當天線裝置100工作於2.4GHz(圖中Mkrl) 及2.5GHz (圖中Mkr2)時，垂直方向電壓駐波比均接近於1。 請參閱第四圖，係本創作天線裝置100的水平饋電史密 斯（Smith)圖。當天線裝置100工作於2.4GHz (圖中Mkrl)至 2.5GHz(圖中Mkr2)頻段時，水平輸入電阻與水平饋線電阻具 有良好的阻抗匹配性。 請參閱第五圖，係本創作天線裝置100的垂直饋電史密 斯（Smith)圖。當天線裝置100工作於2.4GHz (圖中Mkrl)至 2.5GHz(圖中Mkr2)頻段時，垂直輸入電阻與垂直饋線電阻具 有良好的阻抗匹配性。 由以下表一、表二的測試結果可知，本創作天線裝置100 水平方向及垂直方向的總輻射功率、峰值等效全向輻射功率、 方向性係數、增益等性能參數均能達到預期效果。 5 表一本創作天線裝置水平方向的性能參數 性能參數值# 2.3GHz 2.4GHz 2.5GHz 性能 TRP(dBm) -9.6 -7.6 -5.96 PEIRP(dBm) -2.76 -0.9 0.37 方向性（dBi) 6.84 6.69 6.33 最大增益（dBi) -2.76 -0.9 0.37 表二本創作天線裝置垂直方向的性能參數 性能參數值 2.3GHz 2.4GHz 2.5GHz 性能 TRP(dBm) -6.94 -4.46 -3.82 PEIRP(dBm) -1.41 1.25 2.41 方向性（dBi) 5.52 5.71 6.24 最大增益（dBi) -1.41 1.25 2.41 M378494 綜上所述，本創作天線裝置100將貼片輻射體3貼附固 定於所述絕緣介質板1的上面，製造工藝簡單、結構尺寸小。 【圖式簡單說明】 第一圖係本創作天線裝置的一種實施例之立體圖。 第二圖係第一圖所示天線裝置的水平方向電壓駐波比之 測試圖。 第三圖係第一圖所示天線裝置的垂直方向電壓駐波比之 測試圖。 M378494 第四圖係第一圖所示天線裝置的水平饋電史密斯圖。 第五圖係第一圖所示天線裝置的垂直饋電史密斯圖。 【主要元件符號說明】 天線裝置 100 絕緣介質板 1 過孔 11 接地板 2 貼片輻射體 3 饋電探針 4 水平饋電探針 41 垂直饋電探針 42M378494 V. New description: [New technical field] The present invention relates to an antenna, and more particularly to a patch antenna device. [Prior Art] According to the current miniaturization and multi-functionalization of consumer electronic products such as game machines, the antenna device for transmitting and receiving electromagnetic signals is moving toward miniaturization and high reliability, and the patch antenna is small in size. Features such as omnidirectional radiation are widely used in gaming machines. A patch antenna for use on a gaming machine includes a radiator and a grounding plate. The radiator is supported on the circuit board by a plurality of insulating columns, so that a gap is formed between the radiator and the circuit board, and a feeding hole is opened on the grounding plate, and the feeding line feeds the radiator through the feeding hole. However, the above-mentioned conventional coupled patch antenna has a complicated manufacturing process and a large structural size. [New content] The main purpose of this creation is to provide an antenna device with a simple manufacturing process and a small structure size in view of the defects of the above-mentioned prior art. To achieve the above object, the present antenna device comprises an insulating dielectric plate, a ground plate, a patch radiator and two feed probes. The back surface of the insulating dielectric plate is provided with a thin metal layer to form a grounding plate; the patch radiator has a rectangular shape, and the patch radiator is attached and fixed to the top surface of the insulating dielectric plate; the two feeding probes comprise a horizontal feed The electric probe and a vertical feed probe both pass through the insulating medium plate and the patch radiator, and the upper end protrudes from the patch to radiate the body. In summary, the antenna device of the present invention attaches and affixes the patch radiator to the upper surface of the circuit board, and has the advantages of simple manufacturing process and small structure size. 3 M378494 [Embodiment] In order to explain the technical contents, structural features, objectives, and effects of the present invention in detail, the embodiments are described below in detail with reference to the drawings. Referring to the first figure, the antenna device 100 includes an insulating dielectric plate 1, a grounding plate 2, a patch radiator 3, and two feed probes 4. The right end of the insulating dielectric plate 1 is provided with two circular holes (not shown), and the left end is provided with a plurality of through holes 11 to reduce the capacitance effect of the antenna device 100. A back side of the insulating dielectric plate 1 is provided with a horizontal feed circuit (not shown) and a vertical feed circuit (not shown) at corresponding positions of the two circular holes. A thin metal layer is attached to the back side of the dielectric plate i to form a ground plate 2, and the ground plate 2 leaves an insulating region at the horizontal feed circuit and the vertical feed circuit. As a radiating portion of the antenna device 100, the patch radiator 3 is attached to the right end of the insulating medium plate 1 by soldering, and the patch radiator 3 is made of a high-conductivity metal material, which is a metal in this embodiment. copper. The patch radiator 3 has a rectangular shape, preferably a square shape, and the patch radiator 3 is provided with two circular holes (not shown). As a feeding portion of the antenna device 100, the feeding probe 4 is a solid cylinder and is made of metallic copper, and the circular holes on the insulating dielectric plate 1 and the patch radiator 3 are both the diameter of the feeding probe 4. Match. The feed probe 4 includes a horizontal feed probe 41 and a vertical feed probe 42. When the antenna device 100 of the present invention is assembled, the feeding probe 4 passes through the circular hole on the insulating dielectric plate 1 and the patch radiator 3, and the upper end of the feeding probe 4 protrudes out of the patch radiator 3, and is horizontally fed. The bottom of the probe 41 is connected to the horizontal feed circuit, and the bottom of the vertical feed probe 42 is connected to the vertical feed circuit, thereby realizing the function of connecting the patch radiator 3 and the feed circuit. The antenna device 100 of the present invention has an operating frequency of about 2 45 GHz, an antenna thickness of 4 M378494 degrees of 3.4 mm, and an insulating dielectric plate 1 made of FR4 fiberglass board having a relative dielectric constant of 4.7, and the side length of the patch radiator 3 is 25 mm. . Reasonable placement of the feed point can achieve the best matching effect of the antenna's resonant impedance. In this creation, the horizontal feed probe 4 is 6.25 mm from the upper edge of the patch radiator 3 and 8.33 mm from the left edge; vertical feed probe The needle 4 is 6.25 mm from the right edge of the patch radiator 3 and about 8.33 mm from the lower edge. Please refer to the second figure, which is a test chart of the horizontal voltage standing wave ratio of the antenna device of the present invention. When the antenna device 100 operates at 2.4 GHz (Mkrl in the figure) and 2.5 GHz (Mkr2 in the figure), the horizontal voltage standing wave ratio is close to 1. Please refer to the third figure, which is a test chart of the vertical voltage standing wave ratio of the present antenna device 100. When the antenna device 100 operates at 2.4 GHz (Mkrl in the figure) and 2.5 GHz (Mkr2 in the figure), the vertical voltage standing wave ratio is close to 1. Please refer to the fourth figure, which is a horizontal feed Smith chart of the present antenna device 100. When the antenna device 100 operates in the 2.4 GHz (Mkrl) to 2.5 GHz (Mkr2) band, the horizontal input resistance has good impedance matching with the horizontal feeder resistance. Please refer to the fifth figure, which is a vertical feed Smith chart of the present antenna device 100. When the antenna device 100 operates in the 2.4 GHz (Mkrl) to 2.5 GHz (Mkr2) band, the vertical input resistance has good impedance matching with the vertical feeder resistance. It can be seen from the test results in Table 1 and Table 2 below that the total radiated power, peak equivalent isotropic radiated power, directivity coefficient, gain and other performance parameters of the antenna device 100 in the horizontal direction and the vertical direction can achieve the desired effect. 5 Table 1 performance parameters of the antenna device in the horizontal direction performance parameter value # 2.3GHz 2.4GHz 2.5GHz performance TRP (dBm) -9.6 -7.6 -5.96 PEIRP (dBm) -2.76 -0.9 0.37 directionality (dBi) 6.84 6.69 6.33 Maximum gain (dBi) -2.76 -0.9 0.37 Table 2 Performance parameters of the antenna device in the vertical direction Performance parameter value 2.3GHz 2.4GHz 2.5GHz Performance TRP(dBm) -6.94 -4.46 -3.82 PEIRP(dBm) -1.41 1.25 2.41 Direction (dBi) 5.52 5.71 6.24 Maximum gain (dBi) -1.41 1.25 2.41 M378494 In summary, the antenna device 100 of the present invention attaches and affixes the patch radiator 3 to the upper surface of the insulating dielectric plate 1, and has a simple manufacturing process. The structure size is small. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a perspective view of an embodiment of the present antenna device. The second figure is a test chart of the horizontal voltage standing wave ratio of the antenna device shown in the first figure. The third figure is a test diagram of the vertical direction voltage standing wave ratio of the antenna device shown in the first figure. M378494 The fourth figure is the horizontal feed Smith chart of the antenna device shown in the first figure. The fifth figure is a vertical feed Smith chart of the antenna device shown in the first figure. [Explanation of main component symbols] Antenna device 100 Insulation dielectric plate 1 Via 11 Ground plate 2 Patch radiator 3 Feed probe 4 Horizontal feed probe 41 Vertical feed probe 42
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