TWI649921B - Multi - frequency antenna module for smart wearable device - Google Patents
Multi - frequency antenna module for smart wearable device Download PDFInfo
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Abstract
本發明係揭露一種智慧型穿戴裝置用多頻天線模組，其包含基板、錶框天線、錶帶天線、第一接地錶框、接地錶帶、第二接地錶框、基板錶框、傳輸線、寄生天線及單極天線。基板之一面包含接地面。錶框天線及錶帶天線設於基板之一端。第一接地錶框及接地錶帶設於基板之另一端。第二接地錶框連接基板之一側並連通接地面，且連接第一接地錶框。基板錶框連接基板之另一側。傳輸線包含電感，傳輸線之一端連接電感，另一端耦接接地面。寄生天線設於基板錶框，寄生天線之一端連接接地面。單極天線設於基板錶框，單極天線之一端耦接接地面。 The present invention discloses a multi-frequency antenna module for a smart wearable device, which comprises a substrate, a bezel antenna, a strap antenna, a first grounding bezel, a ground strap, a second grounding bezel, a substrate bezel, a transmission line, Parasitic antennas and monopole antennas. One side of the substrate includes a ground plane. The frame antenna and the strap antenna are disposed at one end of the substrate. The first grounding frame and the grounding strap are disposed at the other end of the substrate. The second grounding frame is connected to one side of the substrate and communicates with the grounding surface, and is connected to the first grounding frame. The substrate bezel is connected to the other side of the substrate. The transmission line includes an inductor, one end of the transmission line is connected to the inductor, and the other end is coupled to the ground plane. The parasitic antenna is disposed on the substrate frame, and one end of the parasitic antenna is connected to the ground plane. The monopole antenna is disposed on the substrate frame, and one end of the monopole antenna is coupled to the ground plane.
Description
本發明是有關於一種天線模組，特別是有關於一種適用於智慧型穿戴裝置之智慧型穿戴裝置用多頻天線模組。 The present invention relates to an antenna module, and more particularly to a multi-frequency antenna module for a smart wearable device suitable for a smart wearable device.
隨著行動通訊技術日新月異，且為了滿足人們的需求，行動裝置通常具有無線通訊的功能。 As mobile communication technologies change with each passing day, and in order to meet people's needs, mobile devices often have wireless communication capabilities.
近來，穿戴式裝置成為了新興之行動裝置，其具備了無線通訊功能，然，由於穿戴式裝置內部空間非常狹小；是以，如何使其裝載用於無線通訊之天線，將成為相關產業在設計天線時的一大挑戰。 Recently, the wearable device has become an emerging mobile device, which has a wireless communication function. However, since the wearable device has a very small internal space, how to make it mount the antenna for wireless communication will become a related industry design. A big challenge when it comes to antennas.
有鑑於上述習知之問題，本發明的目的在於提供一種智慧型穿戴裝置用多頻天線模組，用以解決習知技術中所面臨之問題。 In view of the above-mentioned problems, it is an object of the present invention to provide a multi-frequency antenna module for a smart wearable device to solve the problems faced by the prior art.
基於上述目的，本發明係提供一種智慧型穿戴裝置用多頻天線模組，適用於智慧型穿戴裝置，智慧型穿戴裝置用多頻天線模組包含基板、錶框天線、錶帶天線、第一接地錶框、接地錶帶、第二接地錶框、基板錶框、傳輸線、寄生天線及單極天線。基板之一面包含接地面。錶框天線連接基板之一端。錶帶天線連接錶框天線。第一接地錶框連接基板之另一端。接地錶帶連接第一接地錶框。第二接地錶框連接基板之一側並連通接地面，且連接第一接地錶框。 基板錶框連接基板之另一側。傳輸線設於基板之另一面，且包含電感，傳輸線之一端連接電感，而另一端耦接接地面。寄生天線設於基板錶框，寄生天線之一端連接接地面。單極天線設於基板錶框，單極天線之一端耦接接地面。 Based on the above object, the present invention provides a multi-frequency antenna module for a smart wearable device, which is suitable for a smart wearable device, and the multi-frequency antenna module for the smart wearable device comprises a substrate, a bezel antenna, a strap antenna, and a first Grounding frame, grounding strap, second grounding frame, substrate bezel, transmission line, parasitic antenna, and monopole antenna. One side of the substrate includes a ground plane. The frame antenna is connected to one end of the substrate. The strap antenna is connected to the bezel antenna. The first grounding frame is connected to the other end of the substrate. The ground strap is connected to the first grounding frame. The second grounding frame is connected to one side of the substrate and communicates with the grounding surface, and is connected to the first grounding frame. The substrate bezel is connected to the other side of the substrate. The transmission line is disposed on the other side of the substrate and includes an inductor. One end of the transmission line is connected to the inductor, and the other end is coupled to the ground plane. The parasitic antenna is disposed on the substrate frame, and one end of the parasitic antenna is connected to the ground plane. The monopole antenna is disposed on the substrate frame, and one end of the monopole antenna is coupled to the ground plane.
較佳地，智慧型穿戴裝置用多頻天線模組可經由傳輸線、錶框天線、錶帶天線及接地面激發產生低頻頻段或中頻頻段。 Preferably, the smart wearable device uses a multi-frequency antenna module to generate a low frequency band or an intermediate frequency band via a transmission line, a bezel antenna, a strap antenna, and a ground plane.
較佳地，低頻頻段可為LTE700或GSM850/900，中頻頻段可為GSM1800/DCS1900/UMTS。 Preferably, the low frequency band may be LTE700 or GSM850/900, and the intermediate frequency band may be GSM1800/DCS1900/UMTS.
較佳地，智慧型穿戴裝置用多頻天線模組可經由第一饋入點、寄生天線及接地面激發產生中頻頻段。 Preferably, the smart wearable device uses a multi-frequency antenna module to generate an intermediate frequency band via the first feed point, the parasitic antenna, and the ground plane.
較佳地，中頻頻段可為LTE2300/2500。 Preferably, the intermediate frequency band can be LTE 2300/2500.
較佳地，智慧型穿戴裝置用多頻天線模組可經由第二饋入點、單極天線及接地面激發產生高頻頻段。 Preferably, the smart wearable device uses a multi-frequency antenna module to generate a high frequency band via the second feed point, the monopole antenna and the ground plane.
較佳地，高頻頻段可為B4G3400。 Preferably, the high frequency band can be B4G3400.
較佳地，第一接地錶框及基板錶框可分別與錶框天線之間具有間隙。 Preferably, the first ground frame and the substrate frame respectively have a gap between the frame antenna and the frame antenna.
承上所述，本發明之智慧型穿戴裝置用多頻天線模組可以分別以上方之錶帶天線作為天線的一部分，而下方之接地錶帶作為接地面的延伸，以達到激發多頻頻段之目的。 As described above, the multi-frequency antenna module for the smart wearable device of the present invention can respectively use the upper strap antenna as a part of the antenna, and the lower ground strap as an extension of the ground plane to achieve the excitation of the multi-frequency band. purpose.
100‧‧‧智慧型穿戴裝置用多頻天線模組 100‧‧‧Multi-frequency antenna module for smart wearable devices
101‧‧‧間隙 101‧‧‧ gap
102‧‧‧淨空區 102‧‧‧ clearance area
110‧‧‧基板 110‧‧‧Substrate
111‧‧‧接地面 111‧‧‧ Ground plane
121‧‧‧錶框天線 121‧‧‧Border antenna
122‧‧‧第一接地錶框 122‧‧‧First grounding frame
123‧‧‧第二接地錶框 123‧‧‧Second grounding frame
124‧‧‧基板錶框 124‧‧‧Substrate frame
131‧‧‧錶帶天線 131‧‧‧Band antenna
132‧‧‧接地錶帶 132‧‧‧Ground strap
140‧‧‧傳輸線 140‧‧‧ transmission line
141‧‧‧電感 141‧‧‧Inductance
150‧‧‧寄生天線 150‧‧‧Parasitic antenna
160‧‧‧單極天線 160‧‧‧Monopole antenna
F1‧‧‧第一饋入點 F1‧‧‧ first feed point
F2‧‧‧第二饋入點 F2‧‧‧second feed point
第1圖係為本發明之智慧型穿戴裝置用多頻天線模組之第一示意圖。 FIG. 1 is a first schematic diagram of a multi-frequency antenna module for a smart wearable device of the present invention.
第2圖係為本發明之智慧型穿戴裝置用多頻天線模組之第二示意圖。 2 is a second schematic diagram of a multi-frequency antenna module for a smart wearable device of the present invention.
第3圖係為本發明之智慧型穿戴裝置用多頻天線模組之部分示意圖。 Figure 3 is a partial schematic view of a multi-frequency antenna module for a smart wearable device of the present invention.
第4圖係為本發明之智慧型穿戴裝置用多頻天線模組之第一饋入點所激發低、中、高頻頻段之反射損失圖。 Figure 4 is a graph showing the reflection loss of the low, medium and high frequency bands excited by the first feed point of the multi-frequency antenna module for the smart wearable device of the present invention.
第5圖係為本發明之智慧型穿戴裝置用多頻天線模組之第二饋入點所激發高頻頻段之反射損失圖。 Figure 5 is a graph showing the reflection loss of the high frequency band excited by the second feed point of the multi-frequency antenna module for the smart wearable device of the present invention.
第6圖係為本發明之智慧型穿戴裝置用多頻天線模組之在各頻段之天線效率圖。 Figure 6 is a diagram showing the antenna efficiency of each frequency band of the multi-frequency antenna module for the smart wearable device of the present invention.
第7圖係為本發明之智慧型穿戴裝置用多頻天線模組之在各頻段之天線增益圖。 Figure 7 is an antenna gain diagram of each frequency band of the multi-frequency antenna module for the smart wearable device of the present invention.
為利貴審查員瞭解本發明之特徵、內容與優點及其所能達成之功效，茲將本發明配合圖式，並以實施例之表達形式詳細說明如下，而其中所使用之圖式，其主旨僅為示意及輔助說明書之用，未必為本發明實施後之真實比例與精準配置，故不應就所附之圖式的比例與配置關係解讀、侷限本發明於實際實施上的權利範圍。 The features, contents, and advantages of the present invention, as well as the advantages thereof, will be understood by the present invention. The present invention will be described in detail with reference to the accompanying drawings. The use of the present invention is not intended to be a limitation of the scope of the present invention, and the scope of the present invention is not limited by the scope and configuration of the accompanying drawings.
本發明之優點、特徵以及達到之技術方法將參照例示性實施例及所附圖式進行更詳細地描述而更容易理解，且本發明或可以不同形式來實現，故不應被理解僅限於此處所陳述的實施例，相反地，對所屬技術領域具有通常知識者而言，所提供的實施例將使本揭露更加透徹與全面且完整地傳達本發明的範疇，且本發明將僅為所附加的申請專利範圍所定義。 The advantages and features of the present invention, as well as the technical methods of the present invention, are described in more detail with reference to the exemplary embodiments and the accompanying drawings, and the present invention may be implemented in various forms and should not be construed as limited thereby. The embodiments of the present invention, and the embodiments of the present invention are intended to provide a more complete and complete and complete disclosure of the scope of the present invention, and The scope of the patent application is defined.
請參閱第1至7圖；第1圖係為本發明之智慧型穿戴裝置用多頻天線模組之第一示意圖；第2圖係為本發明之智慧型穿戴裝置用多頻天線模組之第二示意圖；第3圖係為本發明之智慧型穿戴裝置用多頻天線模組之部分示意圖；第4圖係為本發明之智慧型穿戴裝置用多頻天線模組之第一饋入點所激發低、 中、高頻頻段之反射損失圖；第5圖係為本發明之智慧型穿戴裝置用多頻天線模組之第二饋入點所激發高頻頻段之反射損失圖；第6圖係為本發明之智慧型穿戴裝置用多頻天線模組之在各頻段之天線效率圖；第7圖係為本發明之智慧型穿戴裝置用多頻天線模組之在各頻段之天線增益圖。如圖所示，本發明之智慧型穿戴裝置用多頻天線模組100適用於智慧型穿戴裝置(如智慧型手錶)，智慧型穿戴裝置用多頻天線模組100包含基板110、錶框天線121、錶帶天線131、第一接地錶框122、接地錶帶132、第二接地錶框123、基板錶框124、傳輸線140、電感141、寄生天線150及單極天線160。其中，基板110及基板錶框124較佳為玻璃纖維雙面板(介電係數4.4)，而錶框天線121、錶帶天線131、第一接地錶框122、接地錶帶132、第二接地錶框123係由金屬材質製成，如銅、銀、鐵、鋁或其合金等。 Please refer to Figures 1 to 7; Figure 1 is a first schematic diagram of a multi-frequency antenna module for a smart wearable device of the present invention; and Figure 2 is a multi-frequency antenna module for a smart wearable device of the present invention. The second schematic diagram is a partial schematic diagram of a multi-frequency antenna module for a smart wearable device of the present invention; and FIG. 4 is a first feed point of the multi-frequency antenna module for the smart wearable device of the present invention. Inspired low, Reflection loss map of the medium and high frequency bands; Figure 5 is a reflection loss diagram of the high frequency band excited by the second feed point of the multi-frequency antenna module for the smart wearable device of the present invention; The antenna efficiency map of each frequency band of the multi-frequency antenna module for the smart wearable device of the invention; FIG. 7 is an antenna gain diagram of each frequency band of the multi-frequency antenna module for the smart wearable device of the present invention. As shown in the figure, the multi-frequency antenna module 100 for smart wearable devices of the present invention is suitable for smart wearable devices (such as smart watches), and the multi-frequency antenna module 100 for smart wearable devices includes a substrate 110 and a frame antenna. 121. The strap antenna 131, the first ground frame 122, the ground strap 132, the second ground frame 123, the substrate bezel 124, the transmission line 140, the inductor 141, the parasitic antenna 150, and the monopole antenna 160. The substrate 110 and the substrate bezel 124 are preferably glass fiber double panels (dielectric coefficient 4.4), and the bezel antenna 121, the strap antenna 131, the first grounding frame 122, the grounding strap 132, and the second grounding table. The frame 123 is made of a metal material such as copper, silver, iron, aluminum or an alloy thereof.
續言之，基板110之一面包含接地面111。錶框天線121連接基板110之一端。錶帶天線131連接錶框天線121。第一接地錶框122相對該錶框天線121連接基板110之另一端。接地錶帶132相對錶帶天線131連接第一接地錶框122。第二接地錶框123連接基板110之一側並連通接地面111，且第二接地錶框123連接第一接地錶框122。基板錶框124則相對第二接地錶框123連接基板110之另一側。 In other words, one side of the substrate 110 includes a ground plane 111. The bezel antenna 121 is connected to one end of the substrate 110. The strap antenna 131 is connected to the bezel antenna 121. The first grounding frame 122 is connected to the other end of the substrate 110 with respect to the bezel antenna 121. The ground strap 132 is coupled to the first ground frame 122 with respect to the strap antenna 131. The second grounding frame 123 is connected to one side of the substrate 110 and communicates with the grounding surface 111, and the second grounding frame 123 is connected to the first grounding frame 122. The substrate bezel 124 is connected to the other side of the substrate 110 with respect to the second ground frame 123.
而，傳輸線140設於基板110之另一面，且包含電感141，傳輸線140之一端連接電感141，而另一端為第一饋入點F1且耦接接地面111。寄生天線150設於基板錶框124，寄生天線150之一端連接接地面111。單極天線160設於基板錶框124，單極天線160之一端為第二饋入點F2且耦接接地面111。其中，傳輸線140及單極天線160之一端並非直接連接接地面，傳輸線140及單極天線160可 通過同軸電纜連接接地面110，而同軸電纜係穿過基板110一端連接傳輸線140或單極天線160，另一端連接接地面111。 The transmission line 140 is disposed on the other side of the substrate 110 and includes an inductor 141. One end of the transmission line 140 is connected to the inductor 141, and the other end is the first feed point F1 and coupled to the ground plane 111. The parasitic antenna 150 is disposed on the substrate bezel 124, and one end of the parasitic antenna 150 is connected to the ground plane 111. The monopole antenna 160 is disposed on the substrate frame 124. One end of the monopole antenna 160 is a second feed point F2 and is coupled to the ground plane 111. Wherein, one end of the transmission line 140 and the monopole antenna 160 is not directly connected to the ground plane, and the transmission line 140 and the monopole antenna 160 may be The ground plane 110 is connected by a coaxial cable, and the coaxial cable is connected to the transmission line 140 or the monopole antenna 160 through one end of the substrate 110, and the other end is connected to the ground plane 111.
如圖所示，智慧型穿戴裝置用多頻天線模組100藉由傳輸線140採單一饋入方式連接一顆1nH的電感141及錶框天線121，再連接錶帶天線131及接地面111來激發產生低頻頻段。其中，會採用1nH的電感141，是因為使用其之反射損失(Return Loss)皆有滿足所有的頻段，且中頻的阻抗匹配是所有電感值中最好的，因此所有頻段都有達到所需的頻寬，而1nH則為電感141之最佳電感值。 As shown in the figure, the smart wearable device uses a multi-frequency antenna module 100 to connect a 1nH inductor 141 and a bezel antenna 121 by a single feedthrough through the transmission line 140, and then connect the strap antenna 131 and the ground plane 111 to excite the multi-band antenna module 100. Produce low frequency bands. Among them, the inductor 141 of 1nH is used because the return loss is used to satisfy all the frequency bands, and the impedance matching of the intermediate frequency is the best among all the inductance values, so all the frequency bands have achieved the required The bandwidth is 1nH and the optimum inductance of the inductor 141.
而上述之低頻頻段可為LTE700(698MHz~787MHz)或GSM850/900(824MHz~960MHz)，而中頻頻段可為GSM1800/DCS1900/UMTS(1710MHz~2170MHz)。 The above low frequency band may be LTE700 (698MHz~787MHz) or GSM850/900 (824MHz~960MHz), and the intermediate frequency band may be GSM1800/DCS1900/UMTS (1710MHz~2170MHz).
另一方面，智慧型穿戴裝置用多頻天線模組100藉由第一饋入點F1經寄生天線150及接地面111激發產生中頻頻段。 On the other hand, the smart wearable device multi-frequency antenna module 100 is excited by the parasitic antenna 150 and the ground plane 111 by the first feed point F1 to generate an intermediate frequency band.
而上述之中頻頻段可為LTE2300/2500(2300MHz~2690MHz)。 The above intermediate frequency band can be LTE 2300/2500 (2300 MHz ~ 2690 MHz).
此外，智慧型穿戴裝置用多頻天線模組100藉由第二饋入點以單一饋入方式連接單極天線經接地面111激發產生高頻頻段。 In addition, the multi-frequency antenna module 100 of the smart wearable device is connected to the monopole antenna via the grounding surface 111 by a single feed point by a second feed point to generate a high frequency band.
而上述之高頻頻段可為B4G3400(3400MHz~3800MHz)。 The above high frequency band can be B4G3400 (3400MHz~3800MHz).
其中，第一接地錶框及基板錶框分別與錶框天線之間具有間隙101，間隙101較佳為1.5mm。 The first ground frame and the substrate frame respectively have a gap 101 between the frame antenna and the frame 101, and the gap 101 is preferably 1.5 mm.
補充一提，基板110之體積較佳為45mm x 35mm x 0.2mm；錶帶天線131之體積較佳為80mm x 25mm x 0.2mm；接地錶帶132之體積較佳為35mm x 25mm x 0.2mm。然，上述僅為舉例，並不以此為限。 In addition, the volume of the substrate 110 is preferably 45 mm x 35 mm x 0.2 mm; the volume of the strap antenna 131 is preferably 80 mm x 25 mm x 0.2 mm; and the volume of the ground strap 132 is preferably 35 mm x 25 mm x 0.2 mm. However, the above is only an example and is not limited thereto.
其中，當錶帶天線131之長度L=80mm時，低頻、中頻及高頻皆可達到設計頻段之頻寬，且阻抗匹配皆有達到要求，故以80mm為錶帶天線131之最佳長度。 Wherein, when the length of the strap antenna 131 is L=80 mm, the low frequency, the intermediate frequency and the high frequency can reach the bandwidth of the design frequency band, and the impedance matching can meet the requirements, so the optimal length of the strap antenna 131 is 80 mm. .
而，其中，當錶帶天線131及接地錶帶132之寬度W=25mm時，低頻、中頻及高頻皆可達到設計頻段之頻寬，且阻抗匹配皆有達到要求，故以25mm為錶帶天線131及接地錶帶132之最佳寬度。 However, when the width of the strap antenna 131 and the ground strap 132 is W=25 mm, the low frequency, the intermediate frequency and the high frequency can reach the bandwidth of the design frequency band, and the impedance matching can meet the requirements, so the table is 25 mm. The optimum width of the antenna 131 and the ground strap 132 are provided.
值得一提的是，接地面111與第一接地邊框122之間相互間隔一距離而形成一淨空區102，兩者並未連接，該淨空區102之寬度W1=2mm時，低頻、中頻及高頻皆可達到設計頻段之頻寬，故以2mm為淨空區102之最佳寬度。 It is worth mentioning that the ground plane 111 and the first ground frame 122 are spaced apart from each other to form a clearance area 102, and the two are not connected. When the width of the clearance area 102 is W1=2 mm, the low frequency and the intermediate frequency are The high frequency can reach the bandwidth of the design frequency band, so 2mm is the optimal width of the clearance area 102.
承上所述，本發明之智慧型穿戴裝置用多頻天線模組可以分別以上方之錶帶天線作為天線的一部分，而下方之接地錶帶作為接地面的延伸，以達到激發多頻頻段之目的。 As described above, the multi-frequency antenna module for the smart wearable device of the present invention can respectively use the upper strap antenna as a part of the antenna, and the lower ground strap as an extension of the ground plane to achieve the excitation of the multi-frequency band. purpose.
以上所述之實施例僅係為說明本發明之技術思想及特點，其目的在使熟習此項技藝之人士能夠瞭解本發明之內容並據以實施，當不能以之限定本發明之專利範圍，即大凡依本發明所揭示之精神所作之均等變化或修飾，仍應涵蓋在本發明之專利範圍內。 The embodiments described above are merely illustrative of the technical spirit and the features of the present invention, and the objects of the present invention can be understood by those skilled in the art, and the scope of the present invention cannot be limited thereto. That is, the equivalent variations or modifications made by the spirit of the present invention should still be included in the scope of the present invention.
Claims (7)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM241814U (en) * | 2003-04-10 | 2004-08-21 | Huei-Hsin Sun | Wrist antenna |
| US20110013491A1 (en) * | 2009-07-14 | 2011-01-20 | Seiko Epson Corporation | Timepiece With Wireless Communication Function |
| US20130127673A1 (en) * | 2011-11-17 | 2013-05-23 | Hon Hai Precision Industry Co., Ltd. | Electronic device with multi-antennas |
| US20160064820A1 (en) * | 2014-09-02 | 2016-03-03 | Samsung Electronics Co., Ltd. | Antenna using exterior metal frame and electronic device utilizing the same |
| CN106159415A (en) * | 2015-03-30 | 2016-11-23 | 广达电脑股份有限公司 | Wearable device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM241814U (en) * | 2003-04-10 | 2004-08-21 | Huei-Hsin Sun | Wrist antenna |
| US20110013491A1 (en) * | 2009-07-14 | 2011-01-20 | Seiko Epson Corporation | Timepiece With Wireless Communication Function |
| US20130127673A1 (en) * | 2011-11-17 | 2013-05-23 | Hon Hai Precision Industry Co., Ltd. | Electronic device with multi-antennas |
| US20160064820A1 (en) * | 2014-09-02 | 2016-03-03 | Samsung Electronics Co., Ltd. | Antenna using exterior metal frame and electronic device utilizing the same |
| CN106159415A (en) * | 2015-03-30 | 2016-11-23 | 广达电脑股份有限公司 | Wearable device |
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