TWI712219B - Antenna structure and wireless communication device employing same - Google Patents

Antenna structure and wireless communication device employing same Download PDF

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TWI712219B
TWI712219B TW108116107A TW108116107A TWI712219B TW I712219 B TWI712219 B TW I712219B TW 108116107 A TW108116107 A TW 108116107A TW 108116107 A TW108116107 A TW 108116107A TW I712219 B TWI712219 B TW I712219B
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radiation
antenna structure
radiating
frame
frequency band
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TW108116107A
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Chinese (zh)
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TW202042441A (en
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許倬綱
賀敏慧
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群邁通訊股份有限公司
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Abstract

The present invention provides an antenna structure including a housing, a side wall, and a first feed portion. The housing includes a metal side frame, a metal middle frame, and a metal back board. The side wall is made of metal material. The metal middle frame and the metal back board are coupled to two sides of the side wall, and the metal middle frame is parallel to the metal back board. The metal side frame surrounds the metal back board. The metal side frame defines at least one gap. The metal back board defines a slot. The slot and the at least one gap cooperatively divide at least two radiating portions from the metal side frame. The at least two radiating portions are equally distance to the metal middle frame at different positions. The side wall, the metal middle frame, the metal back board, and metal side frame except the at least two radiating portions are connected to form a ground for grounding the antenna structure. A wireless communication device employing the antenna structure is also provided.

Description

天線結構及具有該天線結構的無線通訊裝置 Antenna structure and wireless communication device with the antenna structure

本發明涉及一種天線結構及具有該天線結構的無線通訊裝置。 The invention relates to an antenna structure and a wireless communication device with the antenna structure.

隨著無線通訊技術的進步,行動電話、個人數位助理等電子裝置不斷朝向功能多樣化、輕薄化、以及資料傳輸更快、更有效率等趨勢發展。然而其相對可容納天線的空間也就越來越小,而且隨著無線通訊技術的不斷發展,天線的頻寬需求不斷增加。因此,如何在有限的空間內設計出具有較寬頻寬的天線,是天線設計面臨的一項重要課題。 With the advancement of wireless communication technology, electronic devices such as mobile phones and personal digital assistants continue to develop towards diversified functions, thinner and lighter, and faster and more efficient data transmission. However, the space that can accommodate antennas is getting smaller and smaller, and with the continuous development of wireless communication technology, the demand for antenna bandwidth continues to increase. Therefore, how to design an antenna with a wider bandwidth in a limited space is an important issue facing antenna design.

有鑑於此,有必要提供一種天線結構及具有該天線結構的無線通訊裝置。 In view of this, it is necessary to provide an antenna structure and a wireless communication device having the antenna structure.

一種天線結構,包括殼體、側壁及第一饋入部,所述殼體包括金屬邊框、金屬中框及全金屬背板,所述側壁由金屬材料製成,所述金屬中框和所述全金屬背板分別連接於所述側壁的兩側,且所述金屬中框和所述全金屬背板平行設置,所述金屬中框連接所述側壁,所述金屬邊框圍繞所述全金屬背板的邊緣設置,所述金屬邊框上開設有至少一中斷點,所述全金屬背板上開設有開槽,所述開槽及所述至少一中斷點共同自所述金屬邊框上劃分出至少兩個輻射部,所述第一饋入部電連接至其中一輻射部,所述側壁與所述至少兩個輻射部平行設置,所述至少兩個輻射部在不同位 置與所述金屬中框的距離相同,所述側壁、所述金屬中框、所述全金屬背板及所述至少兩個輻射部以外的所述金屬邊框互相連接形成系統接地面,以為所述天線結構提供接地。 An antenna structure includes a housing, a side wall, and a first feeding part. The housing includes a metal frame, a metal middle frame, and an all-metal back plate. The side walls are made of a metal material. Metal back plates are respectively connected to both sides of the side walls, and the metal middle frame and the all-metal back plate are arranged in parallel, the metal middle frame is connected to the side walls, and the metal frame surrounds the all-metal back plate The metal frame is provided with at least one interruption point, the all-metal back plate is provided with a slot, and the slot and the at least one interruption point together divide at least two from the metal frame Radiating parts, the first feeding part is electrically connected to one of the radiating parts, the side wall is arranged in parallel with the at least two radiating parts, and the at least two radiating parts are in different positions The metal frame is located at the same distance from the metal middle frame, and the sidewalls, the metal middle frame, the all-metal backplane and the metal frame other than the at least two radiating parts are connected to each other to form a system ground plane. The antenna structure provides grounding.

一種無線通訊裝置,包括上述所述的天線結構。 A wireless communication device includes the aforementioned antenna structure.

上述天線結構及具有該天線結構的無線通訊裝置通過設置所述殼體,且利用所述殼體上的中斷點自所述殼體劃分出天線結構,如此可有效實現寬頻設計。 The above-mentioned antenna structure and the wireless communication device with the antenna structure are provided with the housing, and the antenna structure is divided from the housing by the interruption point on the housing, so that a broadband design can be effectively realized.

100、100a:天線結構 100, 100a: antenna structure

11:殼體 11: Shell

110:系統接地面 110: System ground plane

1101、1101a:側壁 1101, 1101a: side wall

111:邊框 111: Border

112:中框 112: middle frame

113:背板 113: Backplane

114:淨空區 114: Clearance area

115、115a:末端部 115, 115a: End

116:第一側部 116: first side

117:第二側部 117: second side

118:開槽 118: Slotting

119、119a:第一中斷點 119, 119a: first interruption point

120、120a:第二中斷點 120, 120a: second interruption point

121:第三中斷點 121: Third Interruption Point

130:電路板 130: circuit board

F1、F1a:第一輻射部 F1, F1a: the first radiation part

F2、F2a:第二輻射部 F2, F2a: the second radiation part

F3:第三輻射部 F3: Third Radiation Department

12:第一饋入部 12: The first feeding part

16a:第二饋入部 16a: The second feeding part

17a:第三饋入部 17a: The third feeding part

18a:接地部 18a: Grounding part

13:切換電路 13: Switching circuit

13a、13c:單路開關 13a, 13c: Single switch

a1、b1、c1、d1:動觸點 a1, b1, c1, d1: moving contacts

a2、c2:靜觸點 a2, c2: static contact

13b、13d:多路開關 13b, 13d: multiple switch

b2、d2:第一靜觸點 b2, d2: the first static contact

b3、d3:第二靜觸點 b3, d3: second static contact

131、133:匹配元件 131, 133: matching components

b4、d4:第三靜觸點 b4, d4: third static contact

b5、d5:第四靜觸點 b5, d5: fourth static contact

200、200a:無線通訊裝置 200, 200a: wireless communication device

201:顯示單元 201: display unit

21、21a:第一電子元件 21, 21a: the first electronic component

23、23a:第二電子元件 23, 23a: second electronic component

25、25a:第三電子元件 25, 25a: third electronic component

圖1為本發明第一較佳實施例的天線結構應用至無線通訊裝置的示意圖。 FIG. 1 is a schematic diagram of the antenna structure of the first preferred embodiment of the present invention applied to a wireless communication device.

圖2為圖1所示無線通訊裝置的內部示意圖。 Fig. 2 is an internal schematic diagram of the wireless communication device shown in Fig. 1.

圖3為沿圖1所示無線通訊裝置中III-III線的截面示意圖。 FIG. 3 is a schematic cross-sectional view along the line III-III of the wireless communication device shown in FIG. 1. FIG.

圖4為沿圖1所示無線通訊裝置中IV-IV線的截面示意圖。 Fig. 4 is a schematic cross-sectional view taken along line IV-IV in the wireless communication device shown in Fig. 1.

圖5為圖1所示天線結構的內部示意圖。 Fig. 5 is an internal schematic diagram of the antenna structure shown in Fig. 1.

圖6為圖1所示無線通訊裝置的部分立體示意圖。 Fig. 6 is a partial perspective view of the wireless communication device shown in Fig. 1.

圖7為圖5所示天線結構工作時的電流走向示意圖。 FIG. 7 is a schematic diagram of the current flow when the antenna structure shown in FIG. 5 is working.

圖8A至圖8D為圖5所示天線結構中切換電路的電路圖。 8A to 8D are circuit diagrams of the switching circuit in the antenna structure shown in FIG. 5.

圖9為圖1所示天線結構的S參數(散射參數)曲線圖。 Fig. 9 is a graph of S parameters (scattering parameters) of the antenna structure shown in Fig. 1.

圖10為圖1所示天線結構的總輻射效率圖。 Fig. 10 is a diagram of the total radiation efficiency of the antenna structure shown in Fig. 1.

圖11為本發明第二較佳實施例的天線結構應用至無線通訊裝置的示意圖。 FIG. 11 is a schematic diagram of applying the antenna structure of the second preferred embodiment of the present invention to a wireless communication device.

圖12為圖11所示無線通訊裝置的內部示意圖。 Fig. 12 is an internal schematic diagram of the wireless communication device shown in Fig. 11.

圖13為圖11所示天線結構的內部示意圖。 Fig. 13 is an internal schematic diagram of the antenna structure shown in Fig. 11.

圖14A及圖14B為圖13所示天線結構工作時的電流走向示意圖。 14A and 14B are schematic diagrams of the current flow when the antenna structure shown in FIG. 13 works.

圖15為圖11所示天線結構的S參數(散射參數)曲線圖。 Fig. 15 is a graph of S parameters (scattering parameters) of the antenna structure shown in Fig. 11.

圖16為圖11所示天線結構的總輻射效率圖。 Fig. 16 is a graph showing the total radiation efficiency of the antenna structure shown in Fig. 11.

下面將結合本發明實施例中的附圖,對本發明實施例中的技術方案進行清楚、完整地描述,顯然,所描述的實施例僅僅是本發明一部分實施例,而不是全部的實施例。基於本發明中的實施例,本領域普通技術人員在沒有做出創造性勞動前提下所獲得的所有其他實施例,都屬於本發明保護的範圍。 The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

需要說明的是,當一個元件被稱為“電性連接”另一個元件,它可以直接在另一個元件上或者也可以存在居中的元件。當一個元件被認為是“電性連接”另一個元件,它可以是接觸連接,例如,可以是導線連接的方式,也可以是非接觸式連接,例如,可以是非接觸式耦合的方式。 It should be noted that when an element is referred to as being "electrically connected" to another element, it can be directly on the other element or a central element may also exist. When an element is considered to be "electrically connected" to another element, it can be a contact connection, for example, it can be a wire connection or a non-contact connection, for example, it can be a non-contact coupling.

除非另有定義,本文所使用的所有的技術和科學術語與屬於本發明的技術領域的技術人員通常理解的含義相同。本文中在本發明的說明書中所使用的術語只是為了描述具體的實施例的目的,不是旨在於限制本發明。本文所使用的術語“及/或”包括一個或多個相關的所列項目的任意的和所有的組合。 Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The term "and/or" as used herein includes any and all combinations of one or more related listed items.

下面結合附圖,對本發明的一些實施方式作詳細說明。在不衝突的情況下,下述的實施例及實施例中的特徵可以相互組合。 Hereinafter, some embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

實施例1 Example 1

請參閱圖1、圖2、圖3及圖4,本發明第一較佳實施方式提供一種天線結構100,其可應用於行動電話、個人數位助理等無線通訊裝置200中,用以發射、接收無線電波以傳遞、交換無線訊號。圖1為天線結構100應用至 無線通訊裝置200的示意圖。圖2為無線通訊裝置200的內部示意圖。圖3為沿圖1所示無線通訊裝置200中III-III線的截面示意圖。圖4為沿圖1所示無線通訊裝置200中IV-IV線的截面示意圖。 Please refer to Figure 1, Figure 2, Figure 3 and Figure 4, the first preferred embodiment of the present invention provides an antenna structure 100, which can be applied to mobile phones, personal digital assistants and other wireless communication devices 200 for transmitting and receiving Radio waves are used to transmit and exchange wireless signals. Figure 1 shows the application of antenna structure 100 to A schematic diagram of the wireless communication device 200. FIG. 2 is an internal schematic diagram of the wireless communication device 200. 3 is a schematic cross-sectional view taken along line III-III of the wireless communication device 200 shown in FIG. 1. 4 is a schematic cross-sectional view taken along line IV-IV in the wireless communication device 200 shown in FIG. 1.

所述天線結構100包括殼體11、第一饋入部12(參圖5)以及切換電路13。所述殼體11至少包括系統接地面110、邊框111、中框112及背板113。所述邊框111、中框112及背板113圍成的空間內(參圖3及圖4)設置有一電路板130。所述系統接地面110可由金屬或其他導電材料製成,用以為所述天線結構100提供接地。 The antenna structure 100 includes a housing 11, a first feeding portion 12 (refer to FIG. 5) and a switching circuit 13. The housing 11 at least includes a system ground surface 110, a frame 111, a middle frame 112 and a back plate 113. A circuit board 130 is arranged in the space enclosed by the frame 111, the middle frame 112 and the back plate 113 (refer to FIGS. 3 and 4). The system ground plane 110 may be made of metal or other conductive materials to provide a ground for the antenna structure 100.

所述邊框111大致呈環狀結構,其由金屬或其他導電材料製成。所述邊框111設置於所述系統接地面110的周緣,即圍繞所述系統接地面110設置。在本實施例中,所述邊框111一側的邊緣與所述系統接地面110間隔設置,進而於兩者之間形成相應的淨空區114(參圖3及圖4)。可以理解,在本實施例中,所述邊框111與所述系統接地面110之間的距離可根據需求進行調整。例如所述邊框111在不同位置與所述系統接地面110的距離可為等距或不等距。 The frame 111 is substantially in a ring structure and is made of metal or other conductive materials. The frame 111 is arranged on the periphery of the system ground plane 110, that is, is arranged around the system ground plane 110. In this embodiment, the edge on one side of the frame 111 is spaced from the system ground surface 110, and a corresponding clearance area 114 is formed between the two (refer to FIGS. 3 and 4). It can be understood that, in this embodiment, the distance between the frame 111 and the system ground surface 110 can be adjusted according to requirements. For example, the distance between the frame 111 and the system ground surface 110 at different positions may be equal or unequal.

所述中框112大致呈矩形片狀,其由金屬或其他導電材料製成。所述中框112的形狀及尺寸略小於所述系統接地面110。所述中框112疊設於所述系統接地面110上。 The middle frame 112 is roughly rectangular and made of metal or other conductive materials. The shape and size of the middle frame 112 are slightly smaller than the system ground plane 110. The middle frame 112 is stacked on the system ground surface 110.

在本實施例中,所述邊框111靠近所述中框112的一側設置有一開口(圖未標),用於容置所述無線通訊裝置200的顯示單元201。所述顯示單元201具有一顯示平面,該顯示平面裸露於該開口。 In this embodiment, an opening (not labeled) is provided on the side of the frame 111 close to the middle frame 112 for accommodating the display unit 201 of the wireless communication device 200. The display unit 201 has a display plane, and the display plane is exposed at the opening.

所述背板113由金屬或其他導電材料製成。所述背板113設置於所述邊框111的邊緣。在本實施例中,所述背板113設置於所述系統接地面110背向所述中框112的一側,且與所述顯示單元201的顯示平面及所述 中框112大致間隔平行設置。 The back plate 113 is made of metal or other conductive materials. The back plate 113 is disposed on the edge of the frame 111. In this embodiment, the backplane 113 is disposed on the side of the system ground surface 110 facing away from the middle frame 112, and is connected to the display plane of the display unit 201 and the The middle frames 112 are arranged substantially at intervals in parallel.

在本實施例中,所述系統接地面110、邊框111、中框112及背板113可以構成一體成型的金屬框體。所述中框112是位於所述顯示單元201與所述系統接地面110之間的金屬片。所述中框112用於支撐所述顯示單元201、提供電磁遮罩、及提高所述無線通訊裝置200的機構強度。 In this embodiment, the system ground surface 110, the frame 111, the middle frame 112, and the back plate 113 may constitute an integrally formed metal frame. The middle frame 112 is a metal sheet located between the display unit 201 and the system ground plane 110. The middle frame 112 is used to support the display unit 201, provide an electromagnetic shield, and improve the mechanical strength of the wireless communication device 200.

在本實施例中,所述邊框111至少包括末端部115、第一側部116以及第二側部117。所述末端部115為所述無線通訊裝置200的底端,即所述天線結構100構成所述無線通訊裝置200的下天線。所述第一側部116與所述第二側部117相對設置,兩者分別設置於所述末端部115的兩端,優選垂直設置。 In this embodiment, the frame 111 at least includes an end portion 115, a first side portion 116, and a second side portion 117. The end portion 115 is the bottom end of the wireless communication device 200, that is, the antenna structure 100 constitutes the lower antenna of the wireless communication device 200. The first side portion 116 and the second side portion 117 are disposed opposite to each other, and the two sides are respectively disposed at both ends of the end portion 115, preferably vertically.

所述殼體11上還開設有開槽118及至少一中斷點。其中,所述開槽118開設於所述背板113上。所述開槽118大致呈U形,其開設於所述背板113靠近所述末端部115的一側,且分別朝所述第一側部116及第二側部117所在方向延伸。 The shell 11 is also provided with a slot 118 and at least one interruption point. Wherein, the slot 118 is opened on the back plate 113. The slot 118 is substantially U-shaped, which is opened on a side of the back plate 113 close to the end portion 115 and extends in the direction of the first side portion 116 and the second side portion 117 respectively.

在本實施例中,所述殼體11上開設有兩個中斷點,即第一中斷點119及第二中斷點120。所述第一中斷點119及所述第二中斷點120均開設於所述邊框111上。具體的,所述第一中斷點119開設於所述末端部115上,且靠近所述第二側部117設置。所述第二中斷點120與所述第一中斷點119間隔設置。所述第二中斷點120設置於所述第一側部116上,且靠近所述末端部115設置。所述第一中斷點119與所述第二中斷點120均貫通且隔斷所述邊框111,並連通所述開槽118。 In this embodiment, the housing 11 is provided with two interruption points, namely a first interruption point 119 and a second interruption point 120. The first interruption point 119 and the second interruption point 120 are both opened on the frame 111. Specifically, the first interruption point 119 is opened on the end portion 115 and is located close to the second side portion 117. The second interruption point 120 and the first interruption point 119 are arranged at intervals. The second interruption point 120 is disposed on the first side portion 116 and is disposed close to the end portion 115. The first interruption point 119 and the second interruption point 120 both penetrate and partition the frame 111 and communicate with the slot 118.

所述開槽118與所述至少一中斷點共同自所述殼體11上劃分出至少兩個輻射部。在本實施例中,所述開槽118、所述第一中斷點119以及所述第二中斷點120共同自所述殼體11劃分出兩個輻射部,即第一輻射部 F1以及第二輻射部F2。其中,在本實施例中,所述第一中斷點119與所述第二中斷點120之間的所述邊框111形成所述第一輻射部F1。所述第一中斷點119與所述開槽118位於所述第二側部117的端點之間的所述邊框111形成所述第二輻射部F2。 The slot 118 and the at least one interruption point together divide at least two radiation parts from the housing 11. In this embodiment, the slot 118, the first interruption point 119, and the second interruption point 120 jointly divide two radiating parts from the housing 11, namely the first radiating part F1 and the second radiating part F2. Wherein, in this embodiment, the frame 111 between the first interruption point 119 and the second interruption point 120 forms the first radiating portion F1. The frame 111 between the first interruption point 119 and the slot 118 located between the end points of the second side portion 117 forms the second radiating portion F2.

在本實施例中,所述第一輻射部F1與所述中框112間隔且絕緣設置。所述第二輻射部F2靠近所述開槽118位於所述第二側部117的端點的一側連接至所述系統接地面110及所述背板113,即接地。也就是說,在本實施例中,所述開槽118用以分隔邊框輻射體(即所述第一輻射部F1與第二輻射部F2)及所述背板113。當然,所述開槽118還可分隔所述邊框輻射體和所述系統接地面110,而在所述開槽118以外的部分,所述邊框111、所述背板113及所述系統接地面110是相連的。 In this embodiment, the first radiating portion F1 and the middle frame 112 are spaced apart and insulated from each other. The side of the second radiating portion F2 close to the end of the slot 118 at the second side portion 117 is connected to the system ground surface 110 and the back plate 113, that is, grounded. That is, in this embodiment, the slot 118 is used to separate the frame radiator (that is, the first radiating portion F1 and the second radiating portion F2) and the back plate 113. Of course, the slot 118 can also separate the frame radiator and the system ground plane 110, and the frame 111, the back plate 113, and the system ground plane 110 are outside the slot 118. 110 is connected.

可以理解,在本實施例中,所述第一中斷點119以及所述第二中斷點120的寬度相同。所述開槽118的寬度小於等於所述第一中斷點119或所述第二中斷點120的寬度的兩倍。其中,所述開槽118的寬度為0.5-2mm。所述第一中斷點119以及所述第二中斷點120的寬度均為1-2mm。 It can be understood that, in this embodiment, the width of the first interruption point 119 and the second interruption point 120 are the same. The width of the slot 118 is less than or equal to twice the width of the first interruption point 119 or the second interruption point 120. Wherein, the width of the slot 118 is 0.5-2 mm. The widths of the first interruption point 119 and the second interruption point 120 are both 1-2 mm.

可以理解,在本實施例中,所述開槽118、第一中斷點119以及所述第二中斷點120均填充有絕緣材料(例如塑膠、橡膠、玻璃、木材、陶瓷等,但不以此為限)。 It can be understood that, in this embodiment, the slot 118, the first interruption point 119, and the second interruption point 120 are all filled with insulating materials (such as plastic, rubber, glass, wood, ceramics, etc.), but not Is limited).

請一併參閱圖5,所述無線通訊裝置200還包括至少一電子元件。在本實施例中,所述無線通訊裝置200至少包括三個電子元件,即第一電子元件21、第二電子元件23及第三電子元件25。 Please also refer to FIG. 5, the wireless communication device 200 further includes at least one electronic component. In this embodiment, the wireless communication device 200 includes at least three electronic components, namely a first electronic component 21, a second electronic component 23 and a third electronic component 25.

所述第一電子元件21為一通用序列匯流排(Universal Serial Bus,USB)介面模組。所述第一電子元件21設置於所述中框112鄰近所述第一輻射部F1的邊緣,且通過所述開槽118與所述第一輻射部F1間隔絕緣設置。 所述第二電子元件23為一揚聲器。所述第二電子元件23設置於所述中框112鄰近所述第一輻射部F1的一側,且對應所述第一中斷點119設置。在本實施例中,所述第二電子元件23與所述開槽118之間的距離大致為2-10mm。所述第三電子元件25為一麥克風,其設置於所述中框112鄰近所述第一輻射部F1的邊緣。所述第三電子元件25設置於所述第一電子元件21遠離所述第二電子元件23的一側。在本實施例中,所述第二電子元件23及所述第三電子元件25亦通過所述開槽118與所述第一輻射部F1間隔絕緣設置。 The first electronic component 21 is a universal serial bus (USB) interface module. The first electronic component 21 is disposed on the edge of the middle frame 112 adjacent to the first radiating portion F1, and is insulated from the first radiating portion F1 by the slot 118. The second electronic component 23 is a speaker. The second electronic component 23 is disposed on a side of the middle frame 112 adjacent to the first radiating portion F1 and corresponding to the first interruption point 119. In this embodiment, the distance between the second electronic component 23 and the slot 118 is approximately 2-10 mm. The third electronic component 25 is a microphone, which is disposed on the edge of the middle frame 112 adjacent to the first radiating portion F1. The third electronic component 25 is disposed on a side of the first electronic component 21 away from the second electronic component 23. In this embodiment, the second electronic component 23 and the third electronic component 25 are also spaced and insulated from the first radiating portion F1 through the slot 118.

可以理解,在其他實施例中,所述第二電子元件23與所述第三電子元件25的位置可根據具體需求進行調整,例如兩者互換位置。 It can be understood that, in other embodiments, the positions of the second electronic component 23 and the third electronic component 25 can be adjusted according to specific requirements, for example, the positions of the two are interchanged.

請一併參閱圖4及圖5,在本實施例中,所述系統接地面110大致呈盒狀,即所述系統接地面110具有一定的厚度。所述系統接地面110鄰近所述開槽118的一側設置有一大致呈U型的側壁1101。所述側壁1101由金屬材料製成。所述U型側壁1101與所述邊框111形成所述第一輻射部F1和所述第二輻射部F2的部分平行設置。如此,所述系統接地面110的U型側壁1101可與所述邊框111實現大面積耦合,進而構成一槽孔(slot)天線,以激發出槽孔天線的模態。所述側壁1101設置於所述中框112與背板113之間,所述電路板130的兩端分別抵持至所述側壁1101,且位於與開槽118相鄰的背板113之上(請參圖4及圖5)。本實施例中,所述電路板130與所述側壁1101無縫隙連接。在另一實施例中,所述電路板130與所述側壁1101之間有縫隙。所述中框112、側壁1101、背板113、非輻射部的邊框111及電路板130的接地面全部相連,形成所述系統接地面110。再者,所述系統接地面110的U型側壁1101與所述邊框111的耦合距離可以根據需要的阻抗匹配進行調整,以達到最大頻寬與最大效率。在本實施例中,所述耦合距離小於或等於所述第一中斷點119或所述第二中斷點120的寬度的兩倍。 Please refer to FIG. 4 and FIG. 5 together. In this embodiment, the system ground surface 110 is roughly box-shaped, that is, the system ground surface 110 has a certain thickness. The system ground surface 110 is provided with a substantially U-shaped side wall 1101 on one side adjacent to the slot 118. The side wall 1101 is made of metal material. The U-shaped side wall 1101 and the part of the frame 111 forming the first radiating portion F1 and the second radiating portion F2 are arranged in parallel. In this way, the U-shaped side wall 1101 of the system ground plane 110 can be coupled with the frame 111 in a large area to form a slot antenna to excite the mode of the slot antenna. The side wall 1101 is disposed between the middle frame 112 and the back plate 113, and both ends of the circuit board 130 are respectively held against the side wall 1101 and are located on the back plate 113 adjacent to the slot 118 ( Please refer to Figure 4 and Figure 5). In this embodiment, the circuit board 130 and the side wall 1101 are seamlessly connected. In another embodiment, there is a gap between the circuit board 130 and the side wall 1101. The middle frame 112, the side walls 1101, the back plate 113, the frame 111 of the non-radiating part, and the ground plane of the circuit board 130 are all connected to form the system ground plane 110. Furthermore, the coupling distance between the U-shaped side wall 1101 of the system ground plane 110 and the frame 111 can be adjusted according to the required impedance matching to achieve the maximum bandwidth and maximum efficiency. In this embodiment, the coupling distance is less than or equal to twice the width of the first interruption point 119 or the second interruption point 120.

可以理解,在本實施例中,所述阻抗匹配是指所述系統接地面110上的訊號饋入點(圖未示)與天線端(即邊框輻射體,例如第一輻射部F1、第二輻射部F2)之間的阻抗匹配。 It can be understood that in this embodiment, the impedance matching refers to the signal feed point (not shown) on the system ground plane 110 and the antenna end (ie the frame radiator, such as the first radiating part F1 and the second radiating part F1). The impedance matching between the radiating parts F2).

可以理解,在本實施例中,當所述系統接地面110呈盒狀時,可以將所述至少一電子元件全置入至所述系統接地面110內,進而所述至少一電子元件可視為所述系統接地面110,即為大面積金屬。當然,當所述至少一電子元件全放入所述系統接地面110內時,所述系統接地面110還需要預留相應的開口、接頭等,以使得所述至少一電子元件中需要與外界元件接觸的部分可從所述系統接地面110內露出。 It can be understood that, in this embodiment, when the system ground surface 110 is in a box shape, the at least one electronic component can be fully embedded in the system ground surface 110, and the at least one electronic component can be regarded as The system ground surface 110 is a large area metal. Of course, when the at least one electronic component is all put into the system ground plane 110, the system ground plane 110 also needs to reserve corresponding openings, connectors, etc., so that the at least one electronic component needs to be connected to the outside world. The contact part of the component can be exposed from the system ground surface 110.

可以理解,在其他實施例中,所述系統接地面110不局限於上述所述的盒狀,其還可為其他形狀,僅需確保所述系統接地面110具有與所述邊框111平行設置的U型側壁即可。 It can be understood that in other embodiments, the system ground plane 110 is not limited to the box shape described above, and it can also have other shapes. It is only necessary to ensure that the system ground plane 110 has a parallel arrangement with the frame 111. U-shaped side walls are sufficient.

可以理解,在本實施例中,所述顯示單元201具有高屏占比。即所述顯示單元201的顯示平面的面積大於70%的無線通訊裝置的正面面積,甚至可以做到正面全螢幕。具體的,在本實施例中,所述全螢幕是指除了所述天線結構100上開設的必要的槽孔(例如開槽118)以外,所述顯示單元201的左側、右側、下側均可無縫隙地連接至所述邊框111。 It can be understood that, in this embodiment, the display unit 201 has a high screen-to-body ratio. That is, the area of the display plane of the display unit 201 is greater than 70% of the front area of the wireless communication device, and even a front full screen can be achieved. Specifically, in this embodiment, the full screen refers to the left side, right side, and lower side of the display unit 201 except for the necessary slots (such as the slot 118) provided on the antenna structure 100. It is seamlessly connected to the frame 111.

可以理解,在本實施例中,所述第一饋入部12設置於所述系統接地面110與所述邊框111之間的淨空區114。所述第一饋入部12的一端可通過彈片、微帶線、條狀線、同軸電纜等方式電連接至所述系統接地面110上的訊號饋入點,另一端通過一匹配電路(圖未示)電連接至所述第一輻射部F1靠近所述第一中斷點119的一側,用以饋入電流訊號至所述第一輻射部F1及第二輻射部F2。 It can be understood that, in this embodiment, the first feeding portion 12 is disposed in the clearance area 114 between the system ground plane 110 and the frame 111. One end of the first feeding part 12 can be electrically connected to the signal feeding point on the system ground plane 110 by means of shrapnel, microstrip line, strip line, coaxial cable, etc., and the other end is passed through a matching circuit (not shown in the figure). (Shown) is electrically connected to the side of the first radiating portion F1 close to the first interruption point 119 for feeding current signals to the first radiating portion F1 and the second radiating portion F2.

在本實施例中,所述第一饋入部12可以由鐵件、金屬銅箔、 鐳射直接成型技術(Laser Direct structuring,LDS)制程中的導體等材質製成。 In this embodiment, the first feeding part 12 may be made of iron, metal copper foil, It is made of conductors and other materials in the laser direct structuring (LDS) process.

請一併參閱圖6,靠近所述末端部115與所述側壁1101平行,所述側壁1101自所述邊框111的輻射部F1、F2、F3耦合獲得電流,以反射所述輻射部F1、F2、F3的輻射訊號,以遮罩無線通訊裝置200內部的電路,例如所述電路板130上的電路。 Please also refer to FIG. 6, near the end portion 115 and parallel to the side wall 1101. The side wall 1101 is coupled to obtain current from the radiation portions F1, F2, F3 of the frame 111 to reflect the radiation portions F1, F2 The radiation signal of F3 is used to cover the internal circuits of the wireless communication device 200, such as the circuits on the circuit board 130.

請一併參閱圖7,為所述天線結構100的電流路徑圖。當所述第一饋入部12饋入電流後,所述電流流經所述第一輻射部F1,並流向所述第二中斷點120(參路徑P1)。如此,所述第一輻射部F1構成單極(Monopole)天線,進而激發一第一工作模態以產生第一輻射頻段的輻射訊號。 Please also refer to FIG. 7, which is a current path diagram of the antenna structure 100. After the first feeding part 12 feeds current, the current flows through the first radiating part F1 and flows to the second interruption point 120 (refer to path P1). In this way, the first radiating portion F1 constitutes a monopole antenna, and further excites a first working mode to generate a radiation signal in the first radiation frequency band.

當所述第一饋入部12饋入電流後,所述電流將流經所述第一輻射部F1及所述第二輻射部F2,最後再流入所述系統接地面110及所述中框112,即接地(參路徑P2)。如此,所述第二輻射部F2構成回路(loop)天線,進而激發一第二工作模態以產生第二輻射頻段的輻射訊號。 After the first feeding part 12 feeds current, the current will flow through the first radiating part F1 and the second radiating part F2, and finally flow into the system ground plane 110 and the middle frame 112 , Namely grounding (refer to path P2). In this way, the second radiating part F2 forms a loop antenna, and then excites a second working mode to generate a radiation signal in the second radiation frequency band.

當所述第一饋入部12饋入電流後,所述電流流入所述第二輻射部F2,再流入所述系統接地面110及所述中框112,即接地(參路徑P3),進而激發一第三工作模態以產生第三輻射頻段的輻射訊號。 After the first feeding part 12 feeds current, the current flows into the second radiating part F2, and then flows into the system ground surface 110 and the middle frame 112, that is, grounded (see path P3), and then excited A third working mode is used to generate a radiation signal of the third radiation frequency band.

在本實施例中,所述第一工作模態為長期演進技術升級版(Long Term Evolution Advanced,LTE-A)低頻模態,所述第二工作模態為LTE-A中頻模態。所述第三工作模態為LTE-A高頻模態。所述第一輻射頻段的頻率為700-960MHz。所述第二輻射頻段的頻率為1710-2170MHz。所述第三輻射頻段的頻率為2300-2690MHz。 In this embodiment, the first working mode is a Long Term Evolution Advanced (LTE-A) low frequency mode, and the second working mode is an LTE-A intermediate frequency mode. The third working mode is an LTE-A high frequency mode. The frequency of the first radiation frequency band is 700-960 MHz. The frequency of the second radiation frequency band is 1710-2170 MHz. The frequency of the third radiation frequency band is 2300-2690 MHz.

可以理解,在本實施例中,所述邊框111與所述系統接地面110之間還通過彈片、焊接、探針等連接方式進行電連接。所述邊框111與所 述系統接地面110之間的電連接點的位置可根據所需低頻的頻率進行調整。例如使得兩者之間的電連接點靠近所述第一饋入部12,則所述天線結構100的低頻頻率往高頻偏移。當使得兩者之間的電連接點遠離所述第一饋入部12,則所述天線結構100的低頻頻率往低頻偏移。 It can be understood that, in this embodiment, the frame 111 and the system ground surface 110 are also electrically connected by elastic pieces, welding, probes, and the like. The frame 111 and the The position of the electrical connection point between the system ground plane 110 can be adjusted according to the required low frequency frequency. For example, if the electrical connection point between the two is close to the first feeding part 12, the low frequency frequency of the antenna structure 100 is shifted to the high frequency. When the electrical connection point between the two is far away from the first feeding part 12, the low frequency frequency of the antenna structure 100 shifts to a low frequency.

可以理解,在本實施例中,所述切換電路13的一端電連接至所述第一輻射部F1靠近所述第二中斷點120的一側,另一端電連接至所述系統接地面110,即接地。所述切換電路13用以通過將所述第一輻射部F1切換至所述系統接地面110、使得所述第一輻射部F1不接地、或者將所述第一輻射部F1切換至不同的接地位置(相當於切換至不同的阻抗元件),進而有效調整所述天線結構100的頻寬,以達到多頻率調整的功能。 It can be understood that in this embodiment, one end of the switching circuit 13 is electrically connected to the side of the first radiating part F1 close to the second interruption point 120, and the other end is electrically connected to the system ground plane 110, That is to ground. The switching circuit 13 is used for switching the first radiating part F1 to the system ground plane 110 so that the first radiating part F1 is not grounded, or switching the first radiating part F1 to a different ground. Position (equivalent to switching to a different impedance element), thereby effectively adjusting the bandwidth of the antenna structure 100 to achieve the function of multi-frequency adjustment.

可以理解,在本實施例中,所述切換電路13的具體結構可以為多種形式,例如可包括單路開關、多路開關、單路開關搭配匹配元件、多路開關搭配匹配元件等。 It can be understood that, in this embodiment, the specific structure of the switching circuit 13 may be in various forms, for example, it may include a single switch, a multiple switch, a single switch with matching components, and a multiple switch with matching components.

請一併參閱圖8A,在其中一個實施例中,所述切換電路13包括一單路開關13a。所述單路開關13a包括動觸點a1及靜觸點a2。所述動觸點a1電連接至第一輻射部F1。所述單路開關13a的靜觸點a2電連接至所述系統接地面110。如此,通過控制所述單路開關13a的開啟或關閉,進而使得所述第一輻射部F1與所述系統接地面110電連接或者斷開連接,即控制所述第一輻射部F1接地或者不接地,以達到多頻率調整的功能。 Please also refer to FIG. 8A. In one of the embodiments, the switching circuit 13 includes a single switch 13a. The single-circuit switch 13a includes a movable contact a1 and a static contact a2. The movable contact a1 is electrically connected to the first radiation part F1. The static contact a2 of the single-circuit switch 13a is electrically connected to the system ground surface 110. In this way, by controlling the opening or closing of the single-circuit switch 13a, the first radiating part F1 is electrically connected or disconnected from the system ground plane 110, that is, the first radiating part F1 is controlled to be grounded or not. Ground to achieve the function of multi-frequency adjustment.

可以理解,請一併參閱圖8B,在其中一個實施例中,所述切換電路13包括多路開關13b。在本實施例中,所述多路開關13b為一四路開關。所述多路開關13b包括動觸點b1、第一靜觸點b2、第二靜觸點b3、第三靜觸點b4以及第四靜觸點b5。所述動觸點b1電連接至第一輻射部F1。所述第一靜觸點b2、所述第二靜觸點b3、第三靜觸點b4以及第四靜觸點b5分 別電連接至所述系統接地面110的不同位置。 It is understandable that please refer to FIG. 8B together. In one of the embodiments, the switching circuit 13 includes a multiplexer 13b. In this embodiment, the multiplexer 13b is a four-way switch. The multiplexer 13b includes a moving contact b1, a first static contact b2, a second static contact b3, a third static contact b4, and a fourth static contact b5. The movable contact b1 is electrically connected to the first radiation part F1. The first stationary contact b2, the second stationary contact b3, the third stationary contact b4, and the fourth stationary contact b5 points Do not electrically connect to different positions of the system ground plane 110.

通過控制所述動觸點b1的切換,可將所述動觸點b1分別切換至所述第一靜觸點b2、第二靜觸點b3、第三靜觸點b4以及第四靜觸點b5。如此,所述第一輻射部F1將分別電連接至所述系統接地面110的不同位置,進而達到多頻率調整的功能。 By controlling the switching of the moving contact b1, the moving contact b1 can be switched to the first stationary contact b2, the second stationary contact b3, the third stationary contact b4, and the fourth stationary contact, respectively b5. In this way, the first radiating portion F1 will be electrically connected to different positions of the system ground plane 110, thereby achieving the function of multi-frequency adjustment.

可以理解,請一併參閱圖8C,在其中一個實施例中,所述切換電路13包括單路開關13c及匹配元件131。所述單路開關13c包括動觸點c1及靜觸點c2。所述動觸點c1電連接至第一輻射部F1。所述靜觸點c2通過所述匹配元件131電連接至所述系統接地面110。所述匹配元件131具有一預設阻抗。所述匹配元件131可包括電感、電容、或電感與電容的組合。 Understandably, please refer to FIG. 8C together. In one of the embodiments, the switching circuit 13 includes a single switch 13 c and a matching element 131. The single-circuit switch 13c includes a movable contact c1 and a static contact c2. The movable contact c1 is electrically connected to the first radiation part F1. The static contact c2 is electrically connected to the system ground surface 110 through the matching element 131. The matching element 131 has a preset impedance. The matching element 131 may include an inductor, a capacitor, or a combination of an inductor and a capacitor.

請一併參閱圖8D,在其中一個實施例中,所述切換電路13包括多路開關13d以及至少一匹配元件133。在本實施例中,所述多路開關13d為一四路開關,且所述切換電路13包括三個匹配元件133。所述多路開關13d包括動觸點d1、第一靜觸點d2、第二靜觸點d3、第三靜觸點d4以及第四靜觸點d5。所述動觸點d1電連接至第一輻射部F1。所述第一靜觸點d2、所述第二靜觸點d3以及第三靜觸點d4分別通過相應的匹配元件133電連接至所述系統接地面110。所述第四靜觸點d5懸空設置。每一個匹配元件133具有一預設阻抗,這些匹配元件133的預設阻抗可以相同也可以不同。每一個匹配元件133可包括電感、電容、或電感與電容的組合。每一個匹配元件133電連接至所述系統接地面110的位置可以相同也可以不同。 Please also refer to FIG. 8D. In one of the embodiments, the switching circuit 13 includes a multiplexer 13d and at least one matching element 133. In this embodiment, the multiple switch 13d is a four-way switch, and the switching circuit 13 includes three matching elements 133. The multiplexer 13d includes a moving contact d1, a first static contact d2, a second static contact d3, a third static contact d4, and a fourth static contact d5. The movable contact d1 is electrically connected to the first radiation part F1. The first static contact d2, the second static contact d3, and the third static contact d4 are electrically connected to the system ground surface 110 through corresponding matching elements 133, respectively. The fourth static contact d5 is suspended. Each matching element 133 has a preset impedance, and the preset impedance of these matching elements 133 may be the same or different. Each matching element 133 may include an inductor, a capacitor, or a combination of an inductor and a capacitor. The position where each matching element 133 is electrically connected to the system ground plane 110 may be the same or different.

可以理解,通過控制所述動觸點d1的切換,可將所述動觸點d1分別切換至所述第一靜觸點d2、第二靜觸點d3、第三靜觸點d4以及第四靜觸點d5。如此,所述第一輻射部F1將通過不同的匹配元件133電連接至所述系統接地面110或者與所述系統接地面110斷開連接,進而達到多頻率 調整的功能。 It can be understood that by controlling the switching of the movable contact d1, the movable contact d1 can be respectively switched to the first stationary contact d2, the second stationary contact d3, the third stationary contact d4, and the fourth stationary contact. Static contact d5. In this way, the first radiating part F1 will be electrically connected to or disconnected from the system ground plane 110 through different matching elements 133, thereby achieving multi-frequency Adjusted function.

可以理解,在其他實施例中,所述切換電路13不局限於電連接至所述第一輻射部F1,其位置可根據具體需求進行調整。例如,可將所述切換電路13電連接至所述第二輻射部F2。 It can be understood that, in other embodiments, the switching circuit 13 is not limited to be electrically connected to the first radiating portion F1, and its position can be adjusted according to specific requirements. For example, the switching circuit 13 may be electrically connected to the second radiation part F2.

圖9為所述天線結構100的S參數(散射參數)曲線圖。其中,曲線S81為所述天線結構100工作於LTE-A Band17頻段(704-746MHz)、LTE-A中、高頻模態時的S11值。曲線S82為所述天線結構100工作於LTE-A Band13頻段(746-787MHz)、LTE-A中、高頻模態時的S11值。曲線S83為所述天線結構100工作於LTE-A Band20頻段(791-862MHz)、LTE-A中、高頻模態時的S11值。曲線S84為所述天線結構100工作於LTE-A Band8頻段(880-960MHz)、LTE-A中、高頻模態時的S11值。 FIG. 9 is a graph of S parameters (scattering parameters) of the antenna structure 100. Wherein, the curve S81 is the S11 value when the antenna structure 100 works in the LTE-A Band17 frequency band (704-746 MHz), LTE-A medium and high frequency modes. The curve S82 is the S11 value when the antenna structure 100 works in the LTE-A Band13 frequency band (746-787MHz), LTE-A medium and high frequency modes. The curve S83 is the S11 value when the antenna structure 100 works in the LTE-A Band20 frequency band (791-862MHz), LTE-A medium and high frequency modes. The curve S84 is the S11 value when the antenna structure 100 works in the LTE-A Band 8 frequency band (880-960 MHz), LTE-A medium and high frequency modes.

圖10為所述天線結構100的總輻射效率曲線圖。其中,曲線S91為所述天線結構100工作於LTE-A Band17頻段(704-746MHz)、LTE-A中、高頻模態時的總輻射效率。曲線S92為所述天線結構100工作於LTE-A Band13頻段(746-787MHz)、LTE-A中、高頻模態時的總輻射效率。曲線S93為所述天線結構100工作於LTE-A Band20頻段(791-862MHz)、LTE-A中、高頻模態時的總輻射效率。曲線S94為所述天線結構100工作於LTE-A Band8頻段(880-960MHz)、LTE-A中、高頻模態時的總輻射效率。 FIG. 10 is a graph of the total radiation efficiency of the antenna structure 100. Wherein, the curve S91 is the total radiation efficiency when the antenna structure 100 works in the LTE-A Band17 frequency band (704-746 MHz), LTE-A medium and high frequency modes. The curve S92 is the total radiation efficiency when the antenna structure 100 operates in the LTE-A Band 13 frequency band (746-787 MHz), LTE-A medium and high frequency modes. The curve S93 is the total radiation efficiency when the antenna structure 100 works in the LTE-A Band20 frequency band (791-862MHz), LTE-A medium and high frequency modes. The curve S94 is the total radiation efficiency when the antenna structure 100 works in the LTE-A Band 8 frequency band (880-960 MHz), LTE-A medium and high frequency modes.

顯然,由圖9及圖10可看出,所述天線結構100通過設置所述切換電路13,以切換所述天線結構100的各低頻模態,可有效提升低頻頻寬並兼具最佳天線效率。再者,當所述天線結構100分別工作於LTE-A Band17頻段(704-746MHz)、LTE-A Band13頻段(746-787MHz)、LTE-A Band20頻段(791-862MHz)以及LTE-A Band8頻段(880-960MHz)時,所述天線結構100的LTE-A中、高頻頻段範圍皆為1710-2690MHz。即當所述 切換電路13切換時,所述切換電路13僅用於改變所述天線結構100的低頻模態而不影響其中、高頻模態,該特性有利於LTE-A的載波聚合應用(Carrier Aggregation,CA)。 Obviously, it can be seen from FIGS. 9 and 10 that the antenna structure 100 is provided with the switching circuit 13 to switch the low-frequency modes of the antenna structure 100, which can effectively increase the low-frequency bandwidth and have the best antenna. effectiveness. Furthermore, when the antenna structure 100 operates in the LTE-A Band17 frequency band (704-746MHz), LTE-A Band13 frequency band (746-787MHz), LTE-A Band20 frequency band (791-862MHz) and LTE-A Band8 frequency band respectively (880-960MHz), the LTE-A mid-range and high-frequency band ranges of the antenna structure 100 are both 1710-2690MHz. When said When the switching circuit 13 is switched, the switching circuit 13 is only used to change the low-frequency mode of the antenna structure 100 without affecting the middle and high-frequency modes. This feature is beneficial to the LTE-A carrier aggregation (CA) application.

也就是說,所述天線結構100通過所述切換電路13的切換,可產生各種不同的工作模態,例如低、中、高頻模態,涵蓋全球常用的通訊頻段。具體而言,所述天線結構100在低頻可涵蓋GSM850/900/WCDMA Band5/Band8/Band13/Band17/Band20,中頻可涵蓋GSM 1800/1900/WCDMA 2100(1710-2170MHz),高頻涵蓋LTE-A Band7、Band40、Band41(2300-2690MHz)。所述天線結構100的設計頻段可應用於GSM Qual-band、UMTS Band I/II/V/VIII頻段以及全球常用LTE 850/900/1800/1900/2100/2300/2500頻段的操作。 In other words, the antenna structure 100 can generate a variety of different operating modes, such as low, medium, and high-frequency modes through the switching of the switching circuit 13, covering common communication frequency bands in the world. Specifically, the antenna structure 100 can cover GSM850/900/WCDMA Band5/Band8/Band13/Band17/Band20 at low frequencies, GSM 1800/1900/WCDMA 2100 (1710-2170MHz) at intermediate frequencies, and LTE- A Band7, Band40, Band41 (2300-2690MHz). The designed frequency band of the antenna structure 100 can be applied to the operation of GSM Qual-band, UMTS Band I/II/V/VIII frequency bands, and LTE 850/900/1800/1900/2100/2300/2500 frequency bands commonly used in the world.

綜上,本發明的天線結構100通過在所述邊框111上設置至少一中斷點(例如第一中斷點119及第二中斷點120),以自所述邊框111上劃分出至少兩輻射部。所述天線結構100還通過在不同的輻射部(例如第一輻射部F1及第二輻射部F2)的端部設置所述切換電路13。如此可通過不同的切換方式涵蓋低頻、中頻、高頻等多個頻段,滿足LTE-A的載波聚合應用(Carrier Aggregation,CA),並使得所述天線結構100的輻射相較於一般的金屬背蓋天線更具寬頻效果。再者,所述天線結構100還利用所述邊框111與所述系統接地面110間隔設置,進而構成槽孔天線,以於兩者之間產生大面積耦合,進而達到最大頻寬及最佳效率。另外,可以理解的是,本發明的天線結構100具有正面全螢幕,且在全金屬的背板113、邊框111以及周圍有大量金屬的不利環境中,所述天線結構100仍具有良好的表現。 In summary, the antenna structure 100 of the present invention provides at least one interruption point (for example, the first interruption point 119 and the second interruption point 120) on the frame 111 to divide at least two radiating parts from the frame 111. In the antenna structure 100, the switching circuit 13 is further provided at the ends of different radiating parts (for example, the first radiating part F1 and the second radiating part F2). In this way, multiple frequency bands such as low frequency, intermediate frequency, and high frequency can be covered by different switching methods, which meets the carrier aggregation application (Carrier Aggregation, CA) of LTE-A, and makes the radiation of the antenna structure 100 compared with that of general metal The back cover antenna has more broadband effect. Furthermore, the antenna structure 100 also utilizes the frame 111 and the system ground plane 110 to be spaced apart to form a slot antenna to generate a large area coupling between the two, thereby achieving the maximum bandwidth and the best efficiency . In addition, it can be understood that the antenna structure 100 of the present invention has a front full screen, and the antenna structure 100 still performs well in an unfavorable environment where the all-metal back plate 113, the frame 111 and a large amount of metal surround it.

實施例2 Example 2

請參閱圖11、圖12及圖13,為本發明第二較佳實施例所提供 的天線結構100a,其可應用於行動電話、個人數位助理等無線通訊裝置200a中,用以發射、接收無線電波以傳遞、交換無線訊號。圖11為天線結構100a應用至無線通訊裝置200a的示意圖。圖12為無線通訊裝置200a的內部示意圖。圖13為天線結構100a的內部示意圖。 Please refer to Figure 11, Figure 12 and Figure 13, which are provided by the second preferred embodiment of the present invention The antenna structure 100a can be used in wireless communication devices 200a such as mobile phones and personal digital assistants to transmit and receive radio waves to transmit and exchange wireless signals. FIG. 11 is a schematic diagram of the antenna structure 100a applied to the wireless communication device 200a. FIG. 12 is an internal schematic diagram of the wireless communication device 200a. FIG. 13 is an internal schematic diagram of the antenna structure 100a.

所述天線結構100a包括殼體11、第一饋入部12以及切換電路13。所述殼體11至少包括系統接地面110、邊框111、中框112及背板113。所述邊框111包括末端部115a、第一側部116及第二側部117。所述殼體11上設置有開槽118及至少一中斷點。所述無線通訊裝置200a包括第一電子元件21a、第二電子元件23a以及第三電子元件25a。 The antenna structure 100 a includes a housing 11, a first feeding portion 12 and a switching circuit 13. The housing 11 at least includes a system ground surface 110, a frame 111, a middle frame 112 and a back plate 113. The frame 111 includes an end portion 115 a, a first side portion 116 and a second side portion 117. The housing 11 is provided with a slot 118 and at least one interruption point. The wireless communication device 200a includes a first electronic component 21a, a second electronic component 23a, and a third electronic component 25a.

可以理解,在本實施例中,所述天線結構100a與實施例1中天線結構100的區別在於所述末端部115a並非為所述無線通訊裝置200a的底端,而是所述無線通訊裝置200a的頂端。即所述天線結構100a構成所述無線通訊裝置200a的上天線,而非下天線。 It can be understood that, in this embodiment, the difference between the antenna structure 100a and the antenna structure 100 in Embodiment 1 is that the end portion 115a is not the bottom end of the wireless communication device 200a, but the wireless communication device 200a The top. That is, the antenna structure 100a constitutes the upper antenna of the wireless communication device 200a instead of the lower antenna.

可以理解,在本實施例中,所述天線結構100a與實施例1中天線結構100的區別在於所述殼體11上中斷點的數量為三個,而非兩個。即除第一中斷點119a、第二中斷點120a外,所述殼體11上還開設有第三中斷點121。其中,所述第一中斷點119a設置於所述末端部115a上,且靠近所述第一側部116設置。所述第二中斷點120a設置於所述第二側部117上,且靠近所述末端部115a設置。所述第三中斷點121設置於所述第一側部116上,且靠近所述末端部115a設置。所述第一中斷點119a、第二中斷點120a以及所述第三中斷點121貫通且隔斷所述邊框111,並連通所述開槽118。 It can be understood that, in this embodiment, the difference between the antenna structure 100a and the antenna structure 100 in Embodiment 1 is that the number of interruptions on the housing 11 is three instead of two. That is, in addition to the first interruption point 119a and the second interruption point 120a, a third interruption point 121 is also provided on the housing 11. Wherein, the first interruption point 119a is disposed on the end portion 115a and is disposed close to the first side portion 116. The second interruption point 120a is disposed on the second side portion 117 and is disposed close to the end portion 115a. The third interruption point 121 is disposed on the first side portion 116 and is disposed close to the end portion 115a. The first interruption point 119a, the second interruption point 120a, and the third interruption point 121 penetrate and partition the frame 111, and communicate with the slot 118.

如此,在本實施例中,所述開槽118、所述第一中斷點119a、所述第二中斷點120a以及所述第三中斷點121共同自所述殼體11劃分出三個輻射部,即第一輻射部F1a、第二輻射部F2a以及第三輻射部F3。其中, 所述第一中斷點119a與所述第二中斷點120a之間的所述邊框111形成所述第一輻射部F1a。所述第一中斷點119a與所述第三中斷點121之間的所述邊框111形成所述第二輻射部F2a。所述第三中斷點121與所述開槽118位於所述第一側部116的端點之間的所述邊框111形成所述第三輻射部F3。 In this way, in this embodiment, the slot 118, the first interruption point 119a, the second interruption point 120a, and the third interruption point 121 jointly divide three radiating parts from the housing 11 , Namely the first radiating portion F1a, the second radiating portion F2a, and the third radiating portion F3. among them, The frame 111 between the first interruption point 119a and the second interruption point 120a forms the first radiating portion F1a. The frame 111 between the first interruption point 119a and the third interruption point 121 forms the second radiating portion F2a. The frame 111 between the third interruption point 121 and the slot 118 located between the end points of the first side portion 116 forms the third radiation portion F3.

可以理解,在本實施例中,所述天線結構100a與實施例1中天線結構100的區別在於所述第一電子元件21a、第二電子元件23a以及第三電子元件25a的類型及位置均與實施例1中天線結構100中第一電子元件21、第二電子元件23以及第三電子元件25的類型及位置不同。其中,所述第一電子元件21a為一接近感測器(proximity sensor)。所述第一電子元件21a設置於所述電路板130鄰近所述第一輻射部F1a的邊緣。所述第二電子元件23a為一前置鏡頭模組。所述第二電子元件23a設置於所述第一電子元件21a背離所述第一輻射部F1a一側的所述電路板130上。所述第三電子元件25a為一受話器,其設置於所述電路板130鄰近所述第一輻射部F1a的邊緣。所述第三電子元件25a設置於所述第一電子元件21a與所述第一中斷點119a之間。 It can be understood that, in this embodiment, the difference between the antenna structure 100a and the antenna structure 100 in Embodiment 1 is that the types and positions of the first electronic component 21a, the second electronic component 23a, and the third electronic component 25a are the same as The types and positions of the first electronic component 21, the second electronic component 23, and the third electronic component 25 in the antenna structure 100 in Embodiment 1 are different. Wherein, the first electronic component 21a is a proximity sensor (proximity sensor). The first electronic component 21a is disposed on the edge of the circuit board 130 adjacent to the first radiation portion F1a. The second electronic component 23a is a front lens module. The second electronic component 23a is disposed on the circuit board 130 on the side of the first electronic component 21a away from the first radiating portion F1a. The third electronic component 25a is a receiver, which is disposed on the edge of the circuit board 130 adjacent to the first radiating portion F1a. The third electronic component 25a is disposed between the first electronic component 21a and the first interruption point 119a.

在本實施例中,所述第一電子元件21a、第二電子元件23a以及第三電子元件25a均通過所述開槽118與所述第一輻射部F1a間隔絕緣設置。所述第一電子元件21a與所述開槽118之間的距離為2-10mm。所述第三電子元件25a與所述開槽118之間的距離為2-10mm。 In this embodiment, the first electronic component 21a, the second electronic component 23a, and the third electronic component 25a are all spaced and insulated from the first radiation portion F1a through the slot 118. The distance between the first electronic component 21a and the slot 118 is 2-10 mm. The distance between the third electronic component 25a and the slot 118 is 2-10 mm.

在本實施例中,所述第一饋入部12的一端可通過彈片、微帶線、條狀線、同軸電纜等方式電連接至所述系統接地面110上的訊號饋入點(圖未示),另一端通過一匹配電路(圖未示)電連接至所述第一輻射部F1a靠近所述第一中斷點119a的一側,用以饋入電流訊號至所述第一輻射部F1a。 In this embodiment, one end of the first feeding portion 12 may be electrically connected to the signal feeding point on the system ground plane 110 (not shown in the figure) by means of shrapnel, microstrip line, strip line, coaxial cable, etc. ), the other end is electrically connected to the side of the first radiating portion F1a close to the first interruption point 119a through a matching circuit (not shown) for feeding current signals to the first radiating portion F1a.

可以理解,在本實施例中,所述天線結構100a與實施例1中天線結構100的區別還在於所述天線結構100a還包括第二饋入部16a、第三饋入部17a及接地部18a。 It can be understood that, in this embodiment, the antenna structure 100a differs from the antenna structure 100 in Embodiment 1 in that the antenna structure 100a further includes a second feeding portion 16a, a third feeding portion 17a, and a grounding portion 18a.

所述第二饋入部16a的一端可通過彈片、微帶線、條狀線、同軸電纜等方式電連接至所述系統接地面110上的訊號饋入點,另一端通過一匹配電路(圖未示)電連接至所述第二輻射部F2a靠近所述第一中斷點119的一側,用以饋入電流訊號至所述第二輻射部F2a。所述第三饋入部17a的一端可通過彈片、微帶線、條狀線、同軸電纜等方式電連接至所述系統接地面110上的訊號饋入點,另一端通過一匹配電路(圖未示)電連接至所述第三輻射部F3靠近所述第三中斷點121的一側,用以饋入電流訊號至所述第三輻射部F3。所述接地部18a的一端電連接至所述第二輻射部F2a靠近所述第三中斷點121的一側,另一端可電連接至所述系統接地面110,用以為所述第二輻射部F2a提供接地。可以理解,在本實施例中,所述切換電路13的一端電連接至所述第一輻射部F1a,另一端電連接至所述系統接地面110。當然,在其他實施例中,所述切換電路13並不局限於電連接至所述第一輻射部F1a,其還可連接至其他不同的輻射部,例如第二輻射部F2a及第三輻射部F3。所述切換電路13的具體結構可以為多種形式,例如圖8A至圖8D其中的任一種形式。 One end of the second feeding portion 16a can be electrically connected to the signal feeding point on the system ground plane 110 by means of shrapnel, microstrip line, strip line, coaxial cable, etc., and the other end is passed through a matching circuit (not shown in the figure). (Shown) is electrically connected to the side of the second radiating portion F2a close to the first interruption point 119 for feeding current signals to the second radiating portion F2a. One end of the third feeding portion 17a can be electrically connected to the signal feed point on the system ground plane 110 by means of shrapnel, microstrip line, strip line, coaxial cable, etc., and the other end is passed through a matching circuit (not shown in the figure). (Shown) is electrically connected to the side of the third radiating portion F3 close to the third interruption point 121 for feeding current signals to the third radiating portion F3. One end of the ground portion 18a is electrically connected to the side of the second radiating portion F2a close to the third interruption point 121, and the other end can be electrically connected to the system ground surface 110 to serve as the second radiating portion. F2a provides grounding. It can be understood that, in this embodiment, one end of the switching circuit 13 is electrically connected to the first radiating portion F1a, and the other end is electrically connected to the system ground plane 110. Of course, in other embodiments, the switching circuit 13 is not limited to being electrically connected to the first radiating part F1a, and it can also be connected to other different radiating parts, such as the second radiating part F2a and the third radiating part. F3. The specific structure of the switching circuit 13 may be in various forms, such as any one of the forms shown in FIGS. 8A to 8D.

可以理解,在本實施例中,所述第一輻射部F1a靠近所述第二中斷點120a的位置通過所述切換電路13接地,所述第二輻射部F2a靠近所述第三中斷點121的位置通過所述接地部18a接地,所述第三輻射部F3靠近所述開槽118位於所述第一側部116的端點的位置電連接至所述系統接地面110及背板113,即亦接地。也就是說,在本實施例中,三個輻射部,即第一輻射部F1a、第二輻射部F2a以及第三輻射部F3,均設置有相應的饋入部 及接地點。 It can be understood that in this embodiment, the position of the first radiating portion F1a close to the second interruption point 120a is grounded by the switching circuit 13, and the second radiating portion F2a is close to the third interruption point 121 The position is grounded through the ground portion 18a, and the third radiating portion F3 is electrically connected to the system ground surface 110 and the back plate 113 at a position close to the end point of the slot 118 at the first side portion 116, namely Also grounded. That is to say, in this embodiment, the three radiating parts, namely the first radiating part F1a, the second radiating part F2a and the third radiating part F3, are all provided with corresponding feeding parts And the ground point.

在本實施例中,所述系統接地面110鄰近所述開槽118的一側設置有一大致呈U型的側壁1101a。所述側壁1101a由金屬材料製成。所述U型側壁1101a與所述邊框111形成所述第一輻射部F1a、所述第二輻射部F2a和所述第三輻射部F3的部分平行設置。如此,所述系統接地面110的U型側壁1101a可與所述邊框111實現大面積耦合,進而構成一槽孔(slot)天線,以激發出槽孔天線的模態。所述系統接地面110的U型側壁1101a與所述邊框111的耦合距離可以根據需要的阻抗匹配進行調整,以達到最大頻寬與最大效率。 In this embodiment, a side wall 1101a that is substantially U-shaped is provided on the side of the system ground surface 110 adjacent to the slot 118. The side wall 1101a is made of metal material. The U-shaped side wall 1101a and the part of the frame 111 forming the first radiating portion F1a, the second radiating portion F2a, and the third radiating portion F3 are arranged in parallel. In this way, the U-shaped sidewall 1101a of the system ground plane 110 can be coupled with the frame 111 in a large area to form a slot antenna to excite the mode of the slot antenna. The coupling distance between the U-shaped side wall 1101a of the system ground plane 110 and the frame 111 can be adjusted according to the required impedance matching to achieve the maximum bandwidth and maximum efficiency.

請一併參閱圖14A,為所述第一饋入部12饋入電流時所述天線結構100a的電流路徑圖。其中,當所述第一饋入部12饋入電流後,所述電流流經所述第一輻射部F1a,並流向所述第二中斷點120a(參路徑P1a)。如此,所述第一輻射部F1a構成單極(Monopole)天線,進而激發一第一工作模態以產生第一輻射頻段的輻射訊號。 Please also refer to FIG. 14A, which is a current path diagram of the antenna structure 100 a when the first feeding portion 12 feeds current. Wherein, after the first feeding portion 12 feeds current, the current flows through the first radiating portion F1a and flows to the second interruption point 120a (refer to path P1a). In this way, the first radiating portion F1a constitutes a monopole antenna, which further excites a first working mode to generate a radiation signal in the first radiation frequency band.

當所述第一饋入部12饋入電流後,所述電流流經所述第二輻射部F2a,並通過所述接地部18a接地(參路徑P2a)。如此,所述第二輻射部F2a構成回路(loop)天線,進而激發一第二工作模態以產生第二輻射頻段的輻射訊號。 After the first feeding portion 12 feeds current, the current flows through the second radiating portion F2a, and is grounded through the grounding portion 18a (see path P2a). In this way, the second radiating portion F2a constitutes a loop antenna, which in turn excites a second working mode to generate a radiation signal in the second radiation frequency band.

當所述第一饋入部12饋入電流後,所述電流流經所述第一輻射部F1a及所述第二輻射部F2a,再流入所述系統接地面110及所述中框112,即接地,最後再流經所述第一輻射部F1a(參路徑P3a),進而激發一第三工作模態以產生第三輻射頻段的輻射訊號。 When the first feeding part 12 feeds current, the current flows through the first radiating part F1a and the second radiating part F2a, and then flows into the system ground plane 110 and the middle frame 112, namely Grounding, and finally flowing through the first radiating part F1a (reference path P3a), and then exciting a third working mode to generate a radiation signal in the third radiation frequency band.

在本實施例中,所述第一工作模態包括LTE-A低頻模態、超中頻模態以及LTE-A中頻模態。所述第二工作模態為LTE-A高頻模態。所述 第三工作模態為超高頻模態。所述第一輻射頻段的頻率包括700-960MHz、1447.9-1510.9MHz以及1710-2170MHz。所述第二輻射頻段的頻率為2300-2690MHz。所述第三輻射頻段的頻率為3400-3800MHz。 In this embodiment, the first working mode includes an LTE-A low frequency mode, a super-IF mode, and an LTE-A mid-frequency mode. The second working mode is an LTE-A high frequency mode. Said The third working mode is an ultra-high frequency mode. The frequencies of the first radiation band include 700-960 MHz, 1447.9-1510.9 MHz, and 1710-2170 MHz. The frequency of the second radiation frequency band is 2300-2690 MHz. The frequency of the third radiation frequency band is 3400-3800MHz.

請一併參閱圖14B,為所述第二饋入部16a及第三饋入部17a分別饋入電流時所述天線結構100a的電流路徑圖。其中,當第二饋入部16a饋入電流後,所述電流流經第二輻射部F2a(參路徑P4a),進而激發一第四工作模態以產生第四輻射頻段的輻射訊號。 Please also refer to FIG. 14B, which is a current path diagram of the antenna structure 100a when the second feeding portion 16a and the third feeding portion 17a feed currents respectively. Wherein, when the second feeding portion 16a feeds current, the current flows through the second radiating portion F2a (reference path P4a), thereby exciting a fourth working mode to generate a radiation signal in the fourth radiation frequency band.

當所述第三饋入部17a饋入電流後,所述電流流經所述第三輻射部F3,接著流入所述系統接地面110及中框112(參路徑P5a),進而激發一第五工作模態以產生第五輻射頻段的輻射訊號。 After the third feeding portion 17a feeds current, the current flows through the third radiating portion F3, and then flows into the system ground plane 110 and the middle frame 112 (refer to path P5a), thereby stimulating a fifth operation Mode to generate a radiation signal in the fifth radiation frequency band.

在本實施例中,第四工作模態包括全球定位系統(Global Positioning System,GPS)模態以及WIFI 2.4GHz模態。所述第五工作模態為WIFI 5GHz模態。所述第四輻射頻段的頻率包括1575MHz及2400-2484MHz。所述第五輻射頻段的頻率為5150-5850MHz。 In this embodiment, the fourth working mode includes a Global Positioning System (GPS) mode and a WIFI 2.4 GHz mode. The fifth working mode is a WIFI 5GHz mode. The frequencies of the fourth radiation frequency band include 1575 MHz and 2400-2484 MHz. The frequency of the fifth radiation frequency band is 5150-5850 MHz.

圖15為所述天線結構100a的S參數(散射參數)曲線圖。其中,曲線S141為所述天線結構100a工作於LTE-A Band17頻段(704-746MHz)、LTE-A中、高頻、超中頻以及超高頻模態時的S11值。曲線S142為所述天線結構100a工作於LTE-A Band17頻段(704-746MHz)、GPS模態以及WIFI 2.4GHz模態的S11值。曲線S143為所述天線結構100a工作於LTE-A Band17頻段(704-746MHz)以及WIFI 5GHz模態的S11值。 FIG. 15 is a graph of S parameters (scattering parameters) of the antenna structure 100a. Wherein, the curve S141 is the S11 value when the antenna structure 100a works in the LTE-A Band17 frequency band (704-746MHz), LTE-A mid-range, high-frequency, ultra-intermediate frequency, and ultra-high frequency modes. The curve S142 is the S11 value of the antenna structure 100a working in the LTE-A Band17 frequency band (704-746MHz), GPS mode, and WIFI 2.4GHz mode. The curve S143 is the S11 value of the antenna structure 100a working in the LTE-A Band17 frequency band (704-746MHz) and the WIFI 5GHz mode.

S144為所述天線結構100a工作於LTE-A Band13頻段(746-787MHz)、LTE-A中、高頻、超中頻以及超高頻模態時的S11值。S145為所述天線結構100a工作於LTE-A Band13頻段(746-787MHz)、GPS模態以及WIFI 2.4GHz模態時的S11值。S146為所述天線結構100a工作於LTE-A Band13頻段(746-787MHz)以及WIFI 5GHz模態的S11值。 S144 is the S11 value when the antenna structure 100a works in the LTE-A Band 13 frequency band (746-787 MHz), LTE-A mid-range, high-frequency, ultra-intermediate frequency, and ultra-high frequency modes. S145 is the S11 value when the antenna structure 100a works in the LTE-A Band13 frequency band (746-787MHz), GPS mode, and WIFI 2.4GHz mode. S146 is that the antenna structure 100a works in LTE-A Band13 frequency band (746-787MHz) and S11 value of WIFI 5GHz mode.

曲線S147為所述天線結構100a工作於LTE-A Band20頻段(791-862MHz)、LTE-A中、高頻、超中頻以及超高頻模態時的S11值。曲線S148為所述天線結構100a工作於LTE-A Band20頻段(791-862MHz)、GPS模態以及WIFI 2.4GHz模態時的S11值。曲線S149為所述天線結構100a工作於LTE-A Band20頻段(791-862MHz)以及WIFI 5GHz模態的S11值。 The curve S147 is the S11 value when the antenna structure 100a operates in the LTE-A Band20 frequency band (791-862MHz), LTE-A mid-range, high-frequency, ultra-intermediate-frequency, and ultra-high-frequency modes. The curve S148 is the S11 value when the antenna structure 100a works in the LTE-A Band20 frequency band (791-862MHz), the GPS mode, and the WIFI 2.4GHz mode. The curve S149 is the S11 value of the antenna structure 100a working in the LTE-A Band20 frequency band (791-862MHz) and the WIFI 5GHz mode.

曲線S150為所述天線結構100a工作於LTE-A Band8頻段(880-960MHz)、LTE-A中、高頻、超中頻以及超高頻模態時的S11值。曲線S151為所述天線結構100a工作於LTE-A Band8頻段(880-960MHz)、GPS模態以及WIFI 2.4GHz模態時的S11值。曲線S152為所述天線結構100a工作於LTE-A Band8頻段(880-960MHz)以及WIFI 5GHz模態的S11值。 The curve S150 is the S11 value when the antenna structure 100a operates in the LTE-A Band8 frequency band (880-960MHz), LTE-A mid-range, high-frequency, ultra-intermediate-frequency, and ultra-high-frequency modes. The curve S151 is the S11 value when the antenna structure 100a works in the LTE-A Band8 frequency band (880-960MHz), the GPS mode, and the WIFI 2.4GHz mode. The curve S152 is the S11 value of the antenna structure 100a working in the LTE-A Band8 frequency band (880-960MHz) and the WIFI 5GHz mode.

圖16為所述天線結構100a的總輻射效率曲線圖。其中,曲線S153為所述天線結構100a工作於LTE-A Band17頻段(704-746MHz)、LTE-A中、高頻、超中頻以及超高頻模態時的總輻射效率。曲線S154為所述天線結構100a工作於LTE-A Band17頻段(704-746MHz)、GPS模態以及WIFI 2.4GHz模態的總輻射效率。曲線S155為所述天線結構100a工作於LTE-A Band17頻段(704-746MHz)以及WIFI 5GHz模態的總輻射效率。 FIG. 16 is a graph of the total radiation efficiency of the antenna structure 100a. Wherein, the curve S153 is the total radiation efficiency when the antenna structure 100a works in the LTE-A Band17 frequency band (704-746 MHz), LTE-A mid-range, high-frequency, ultra-intermediate-frequency, and ultra-high-frequency modes. Curve S154 is the total radiation efficiency of the antenna structure 100a operating in the LTE-A Band17 frequency band (704-746 MHz), GPS mode, and WIFI 2.4 GHz mode. The curve S155 is the total radiation efficiency of the antenna structure 100a working in the LTE-A Band17 frequency band (704-746MHz) and the WIFI 5GHz mode.

S156為所述天線結構100a工作於LTE-A Band13頻段(746-787MHz)、LTE-A中、高頻、超中頻以及超高頻模態時的總輻射效率。S157為所述天線結構100a工作於LTE-A Band13頻段(746-787MHz)、GPS模態以及WIFI 2.4GHz模態時的總輻射效率。S158為所述天線結構100a工作於LTE-A Band13頻段(746-787MHz)以及WIFI 5GHz模態的總輻射效率。 S156 is the total radiation efficiency when the antenna structure 100a works in the LTE-A Band 13 frequency band (746-787 MHz), LTE-A mid-range, high-frequency, ultra-intermediate frequency, and ultra-high frequency modes. S157 is the total radiation efficiency when the antenna structure 100a works in the LTE-A Band 13 frequency band (746-787 MHz), GPS mode, and WIFI 2.4 GHz mode. S158 is the total radiation efficiency of the antenna structure 100a working in the LTE-A Band13 frequency band (746-787MHz) and the WIFI 5GHz mode.

曲線S159為所述天線結構100a工作於LTE-A Band20頻段(791-862MHz)、LTE-A中、高頻、超中頻以及超高頻模態時的總輻射效率。曲 線S160為所述天線結構100a工作於LTE-A Band20頻段(791-862MHz)、GPS模態以及WIFI 2.4GHz模態時的總輻射效率。曲線S161為所述天線結構100a工作於LTE-A Band20頻段(791-862MHz)以及WIFI 5GHz模態的總輻射效率。 Curve S159 is the total radiation efficiency of the antenna structure 100a when operating in the LTE-A Band20 frequency band (791-862MHz), LTE-A mid-range, high-frequency, ultra-intermediate frequency, and ultra-high frequency modes. song The line S160 is the total radiation efficiency when the antenna structure 100a works in the LTE-A Band20 frequency band (791-862MHz), the GPS mode, and the WIFI 2.4GHz mode. The curve S161 is the total radiation efficiency of the antenna structure 100a operating in the LTE-A Band20 frequency band (791-862MHz) and the WIFI 5GHz mode.

曲線S162為所述天線結構100a工作於LTE-A Band8頻段(880-960MHz)、LTE-A中、高頻、超中頻以及超高頻模態時的總輻射效率。曲線S163為所述天線結構100a工作於LTE-A Band8頻段(880-960MHz)、GPS模態以及WIFI 2.4GHz模態時的總輻射效率。曲線S164為所述天線結構100a工作於LTE-A Band8頻段(880-960MHz)以及WIFI 5GHz模態的總輻射效率。 Curve S162 is the total radiation efficiency when the antenna structure 100a works in the LTE-A Band8 frequency band (880-960MHz), LTE-A mid-range, high-frequency, ultra-intermediate-frequency, and ultra-high-frequency modes. Curve S163 is the total radiation efficiency when the antenna structure 100a works in the LTE-A Band8 frequency band (880-960MHz), GPS mode, and WIFI 2.4GHz mode. The curve S164 is the total radiation efficiency of the antenna structure 100a working in the LTE-A Band8 frequency band (880-960MHz) and the WIFI 5GHz mode.

顯然,由圖15及圖16可看出,所述天線結構100a通過設置所述切換電路13,以切換所述天線結構100a的各低頻模態,可有效提升低頻頻寬並兼具最佳天線效率。再者,當所述天線結構100a分別工作於LTE-A Band17頻段(704-746MHz)、LTE-A Band13頻段(746-787MHz)、LTE-A Band20頻段(791-862MHz)以及LTE-A Band8頻段(880-960MHz)時,所述天線結構100a還可涵蓋至相應的中頻頻段、高頻頻段、超中頻頻段、超高頻頻段、GPS頻段、WIFI 2.4GHz頻段及WIFI 5GHz頻段等多個頻段。即當所述切換電路13切換時,所述切換電路13僅用於改變所述天線結構100a的低頻模態而不影響其中、高頻模態,該特性有利於LTE-A的載波聚合應用(Carrier Aggregation,CA)。 Obviously, it can be seen from FIG. 15 and FIG. 16 that the antenna structure 100a is provided with the switching circuit 13 to switch the low frequency modes of the antenna structure 100a, which can effectively increase the low frequency bandwidth and have the best antenna. effectiveness. Furthermore, when the antenna structure 100a works in the LTE-A Band17 frequency band (704-746MHz), LTE-A Band13 frequency band (746-787MHz), LTE-A Band20 frequency band (791-862MHz) and LTE-A Band8 frequency band respectively (880-960MHz), the antenna structure 100a can also cover the corresponding IF frequency band, high frequency frequency band, ultra-IF frequency band, UHF frequency band, GPS frequency band, WIFI 2.4GHz frequency band and WIFI 5GHz frequency band, etc. Frequency band. That is, when the switching circuit 13 switches, the switching circuit 13 is only used to change the low-frequency mode of the antenna structure 100a without affecting the middle and high-frequency modes. This feature is beneficial to the carrier aggregation application of LTE-A (Carrier Aggregation). , CA).

也就是說,所述天線結構100a通過所述切換電路13的切換,可產生各種不同的工作模態,例如低頻模態、中頻模態、高頻模態、超中頻模態、超高頻模態、GPS模態、WIFI 2.4GHz模態及WIFI 5GHz模態,涵蓋全球常用的通訊頻段。具體而言,所述天線結構100在低頻可涵蓋 GSM850/900/WCDMA Band5/Band8/Band13/Band17/Band20,中頻可涵蓋GSM 1800/1900/WCDMA 2100(1710-2170MHz),高頻涵蓋LTE-A Band7、Band40、Band41(2300-2690MHz),超中頻涵蓋1447.9-1510.9MHz,超高頻涵蓋3400-3800MHz。另可涵蓋GPS頻段、Wi-Fi 2.4GHz頻段及Wi-Fi 5GHz頻段。所述天線結構100a的設計頻段可應用於GSM Qual-band、UMTS Band I/II/V/VIII頻段以及全球常用LTE 850/900/1800/1900/2100/2300/2500頻段的操作。 That is to say, the antenna structure 100a can generate various operating modes through the switching of the switching circuit 13, such as low frequency mode, intermediate frequency mode, high frequency mode, super intermediate frequency mode, ultra high frequency mode, GPS mode, WIFI 2.4GHz mode and WIFI 5GHz mode cover the communication frequency bands commonly used in the world. Specifically, the antenna structure 100 can cover GSM850/900/WCDMA Band5/Band8/Band13/Band17/Band20, intermediate frequency can cover GSM 1800/1900/WCDMA 2100 (1710-2170MHz), high frequency cover LTE-A Band7, Band40, Band41 (2300-2690MHz), super The intermediate frequency covers 1447.9-1510.9MHz, and the UHF covers 3400-3800MHz. It can also cover GPS frequency band, Wi-Fi 2.4GHz frequency band and Wi-Fi 5GHz frequency band. The designed frequency band of the antenna structure 100a can be applied to the operation of GSM Qual-band, UMTS Band I/II/V/VIII frequency bands, and LTE 850/900/1800/1900/2100/2300/2500 frequency bands commonly used worldwide.

綜上,本發明的天線結構100a通過在所述邊框111上設置至少一中斷點(例如第一中斷點119a、第二中斷點120a及第三中斷點121),以自所述邊框111上劃分出至少兩輻射部。所述天線結構100a還通過在不同的輻射部(例如第一輻射部F1a、第二輻射部F2a及第三輻射部F3)的端部設置所述切換電路13。如此可通過不同的切換方式涵蓋低頻、中頻、高頻、超中頻、超高頻、GPS、Wi-Fi 2.4GHz及Wi-Fi 5GHz等多個頻段,並使得所述天線結構100a的輻射相較於一般的金屬背蓋天線更具寬頻效果。所述天線結構100a可提升低頻頻寬並兼具較佳天線效率,另外還可增加超中頻與超高頻使用頻段,涵蓋全球頻段應用以及支援載波聚合(carrier aggregation,CA)應用的要求。再者,所述天線結構100a還利用所述邊框111與所述系統接地面110間隔設置,進而構成槽孔天線,以於兩者之間產生大面積耦合,進而達到最大頻寬及最佳效率。另外,可以理解的是,本發明的天線結構100a具有正面全螢幕,且在全金屬的背板113、邊框111以及周圍有大量金屬的不利環境中,所述天線結構100a仍具有良好的表現。 In summary, the antenna structure 100a of the present invention is divided from the frame 111 by setting at least one interruption point (for example, the first interruption point 119a, the second interruption point 120a, and the third interruption point 121) on the frame 111 At least two radiating parts. In the antenna structure 100a, the switching circuit 13 is further provided at the ends of different radiating parts (for example, the first radiating part F1a, the second radiating part F2a, and the third radiating part F3). In this way, multiple frequency bands such as low frequency, intermediate frequency, high frequency, UHF, UHF, GPS, Wi-Fi 2.4GHz and Wi-Fi 5GHz can be covered by different switching methods, and the radiation of the antenna structure 100a Compared with the general metal back cover antenna, it has a wider frequency effect. The antenna structure 100a can increase the low frequency bandwidth and have better antenna efficiency. In addition, it can also increase the frequency bands used for ultra-intermediate frequency and ultra-high frequency, covering global frequency band applications and supporting carrier aggregation (CA) applications. Furthermore, the antenna structure 100a also utilizes the frame 111 and the system ground plane 110 to be spaced apart to form a slot antenna to generate a large area coupling between the two to achieve the maximum bandwidth and best efficiency . In addition, it can be understood that the antenna structure 100a of the present invention has a front full screen, and the antenna structure 100a still has a good performance in the unfavorable environment where the all-metal back plate 113, the frame 111 and a large amount of metal surround it.

可以理解,本發明第一較佳實施例的天線結構100及本發明第二較佳實施例的天線結構100a可應用在同一個無線通訊裝置。例如將天線結構100設置在所述無線通訊裝置的下端作為主天線,並將所述天線結構 100a設置在所述無線通訊裝置的上端作為副天線。當所述無線通訊裝置發送無線訊號時,所述無線通訊裝置使用所述主天線發送無線訊號。當所述無線通訊裝置接收無線訊號時,所述無線通訊裝置使用所述主天線和所述副天線一起接收無線訊號。 It can be understood that the antenna structure 100 of the first preferred embodiment of the present invention and the antenna structure 100a of the second preferred embodiment of the present invention can be applied to the same wireless communication device. For example, the antenna structure 100 is set at the lower end of the wireless communication device as the main antenna, and the antenna structure 100a is arranged at the upper end of the wireless communication device as a secondary antenna. When the wireless communication device sends a wireless signal, the wireless communication device uses the main antenna to send a wireless signal. When the wireless communication device receives a wireless signal, the wireless communication device uses the main antenna and the auxiliary antenna to receive the wireless signal together.

最後應說明的是,以上所述僅為本發明之較佳實施例而已,且已達廣泛之使用功效,凡其他未脫離本發明所揭示之精神下所完成之均等轉換或修飾,均應包含於下述之申請專利範圍內。 Finally, it should be noted that the above descriptions are only the preferred embodiments of the present invention and have reached a wide range of use effects. All other equal transformations or modifications completed without departing from the spirit of the present invention should include Within the scope of the following patent applications.

1101:側壁 1101: Sidewall

111:邊框 111: Border

113:背板 113: Backplane

114:淨空區 114: Clearance area

115:末端部 115: End

118:開槽 118: Slotting

119:第一中斷點 119: The first interruption point

120:第二中斷點 120: second interruption point

130:電路板 130: circuit board

F1:第一輻射部 F1: The first radiation department

F2:第二輻射部 F2: The second radiation part

12:第一饋入部 12: The first feeding part

13:切換電路 13: Switching circuit

21:第一電子元件 21: The first electronic component

23:第二電子元件 23: The second electronic component

25:第三電子元件 25: The third electronic component

Claims (11)

一種天線結構,其改良在於:所述天線結構包括殼體、側壁及第一饋入部,所述殼體包括金屬邊框、金屬中框及全金屬背板,所述邊框至少包括第一側部及第二側部,所述側壁由金屬材料製成,所述金屬中框和所述全金屬背板分別連接於所述側壁的兩側,且所述金屬中框和所述全金屬背板平行設置,所述金屬中框連接所述側壁,所述金屬邊框圍繞所述全金屬背板的邊緣設置,所述金屬邊框上開設有至少一中斷點,所述全金屬背板上開設有開槽,所述開槽及所述至少一中斷點共同自所述金屬邊框上劃分出至少兩個輻射部,所述第一饋入部電連接至其中一輻射部,所述側壁連接所述第一側部與所述第二側部,所述側壁與所述至少兩個輻射部平行設置,所述至少兩個輻射部在不同位置與所述金屬中框的距離相同,所述側壁、所述金屬中框、所述全金屬背板及所述至少兩個輻射部以外的所述金屬邊框互相連接形成系統接地面,以為所述天線結構提供接地,當所述第一饋入部饋入電流時,所述電流流經所述至少兩個輻射部,再流入所述系統接地面,進而激發一第三工作模態以產生第三輻射頻段的輻射訊號。 An antenna structure is improved in that: the antenna structure includes a housing, a side wall, and a first feeding portion, the housing includes a metal frame, a metal middle frame, and an all-metal back plate, and the frame includes at least a first side portion and The second side part, the side wall is made of metal material, the metal middle frame and the all-metal back plate are respectively connected to both sides of the side wall, and the metal middle frame and the all-metal back plate are parallel The metal middle frame is connected to the side wall, the metal frame is arranged around the edge of the all-metal back plate, the metal frame is provided with at least one interruption point, and the all-metal back plate is provided with a slot , The slot and the at least one interruption point jointly divide at least two radiating parts from the metal frame, the first feeding part is electrically connected to one of the radiating parts, and the side wall is connected to the first side Part and the second side part, the side wall and the at least two radiating parts are arranged in parallel, the at least two radiating parts are at the same distance from the metal middle frame at different positions, the side wall, the metal The middle frame, the all-metal backplane, and the metal frame other than the at least two radiating parts are connected to each other to form a system ground plane to provide a ground for the antenna structure. When the first feeding part feeds current, The current flows through the at least two radiating parts, and then flows into the system ground plane, thereby exciting a third operating mode to generate a radiation signal in a third radiation frequency band. 如請求項1所述之天線結構,其中所述天線結構還包括切換電路,所述切換電路的一端電連接至其中一個輻射部,另一端電連接至所述系統接地面。 The antenna structure according to claim 1, wherein the antenna structure further includes a switching circuit, one end of the switching circuit is electrically connected to one of the radiating parts, and the other end is electrically connected to the system ground plane. 如請求項2所述之天線結構,其中所述切換電路包括單路開關,所述單路開關包括動觸點及靜觸點,所述動觸點電連接至其中一個輻射部,所述靜觸點直接電連接至所述系統接地面或者通過匹配元件電連接至所述系統接地面,所述匹配元件具有預設阻抗。 The antenna structure according to claim 2, wherein the switching circuit includes a single-circuit switch, the single-circuit switch includes a moving contact and a static contact, the moving contact is electrically connected to one of the radiating parts, and the static The contact is directly electrically connected to the system ground plane or is electrically connected to the system ground plane through a matching element, and the matching element has a preset impedance. 如請求項2所述之天線結構,其中所述切換電路包括多路開關,所述多路開關包括動觸點、第一靜觸點、第二靜觸點、第三靜觸點以 及第四靜觸點,所述動觸點電連接至其中一個輻射部,所述第一靜觸點、第二靜觸點以及第三靜觸點直接電連接至所述系統接地面的不同位置或者通過相應的匹配元件電連接至所述系統接地面的不同位置,所述第四靜觸點直接電連接至所述系統接地面或者懸空設置,所述匹配元件具有預設阻抗。 The antenna structure according to claim 2, wherein the switching circuit includes a multi-way switch, and the multi-way switch includes a movable contact, a first fixed contact, a second fixed contact, and a third fixed contact. And a fourth stationary contact, the movable contact is electrically connected to one of the radiating parts, the first stationary contact, the second stationary contact, and the third stationary contact are directly electrically connected to different ground planes of the system The position or the corresponding matching element is electrically connected to different positions of the system ground plane, the fourth static contact is directly electrically connected to the system ground plane or is set in the air, and the matching element has a preset impedance. 如請求項1所述之天線結構,其中所述金屬中框與所述至少兩個輻射部之間的耦合距離小於或等於所述至少一中斷點的寬度的兩倍。 The antenna structure according to claim 1, wherein the coupling distance between the metal middle frame and the at least two radiating parts is less than or equal to twice the width of the at least one interruption point. 如請求項2所述之天線結構,其中所述邊框還包括末端部,所述第一側部與所述第二側部分別連接所述末端部的兩端,所述側壁的一部分和所述末端部平行,所述開槽開設於所述背板靠近所述末端部的一側,且分別朝所述第一側部及第二側部所在方向延伸,所述邊框上開設有兩個中斷點,兩個所述中斷點包括第一中斷點及第二中斷點,所述第一中斷點及所述第二中斷點間隔開設於所述邊框上,所述第一中斷點與所述第二中斷點之間的所述邊框構成第一輻射部,所述第一中斷點與所述開槽位於所述第二側部的端點之間的所述邊框形成第二輻射部,所述第一饋入部電連接至所述第一輻射部,以饋入電流至所述第一輻射部及第二輻射部,所述切換電路電連接至所述第一輻射部。 The antenna structure according to claim 2, wherein the frame further includes an end portion, the first side portion and the second side portion are respectively connected to both ends of the end portion, a part of the side wall and the The end portions are parallel, the slot is opened on a side of the back plate close to the end portion, and respectively extends in the direction of the first side portion and the second side portion, and two interruptions are provided on the frame Point, the two interruption points include a first interruption point and a second interruption point, the first interruption point and the second interruption point are opened on the frame at intervals, and the first interruption point and the second interruption point The frame between the two interruption points constitutes a first radiating part, the first interruption point and the frame between the end points of the slot located at the second side part form a second radiating part, the The first feeding portion is electrically connected to the first radiation portion to feed current to the first radiation portion and the second radiation portion, and the switching circuit is electrically connected to the first radiation portion. 如請求項6所述之天線結構,其中當所述第一饋入部饋入電流時,所述電流流經所述第一輻射部,並流向所述第一中斷點,進而激發一第一工作模態以產生第一輻射頻段的輻射訊號;當所述第一饋入部饋入電流時,所述電流流經所述第一輻射部及所述第二輻射部,再流入所述系統接地面,進而激發一第二工作模態以產生第二輻射頻段的輻射訊號;所述第一輻射頻段的頻率低於所述第二輻射頻段的頻率,所述第二輻射頻段的頻率低於所述第三輻射頻段的頻率。 The antenna structure according to claim 6, wherein when the first feeding part feeds current, the current flows through the first radiating part and flows to the first interruption point, thereby stimulating a first operation Mode to generate a radiation signal of the first radiation frequency band; when the first feeding part feeds current, the current flows through the first radiation part and the second radiation part, and then flows into the system ground plane , And then excite a second working mode to generate a radiation signal in the second radiation frequency band; the frequency of the first radiation frequency band is lower than the frequency of the second radiation frequency band, and the frequency of the second radiation frequency band is lower than the frequency of the second radiation frequency band. The frequency of the third radiation band. 如請求項2所述之天線結構,其中所述邊框至少包括末端 部、第一側部及第二側部,所述第一側部與所述第二側部分別連接所述末端部的兩端,所述側壁連接所述第一側部與所述第二側部,所述側壁的一部分和所述末端部平行,所述開槽開設於所述背板靠近所述末端部的一側,且分別朝所述第一側部及第二側部所在方向延伸,所述邊框上開設有三個中斷點,三個所述中斷點包括第一中斷點、第二中斷點及第三中斷點,所述第一中斷點開設於所述末端部,所述第二中斷點開設與所述第二側部,所述第三中斷點開設於所述第一側部,所述第一中斷點與所述第二中斷點之間的所述邊框構成第一輻射部,所述第一中斷點與所述第三中斷點之間的所述邊框構成第二輻射部,所述第三中斷點與所述開槽位於所述第一側部的端點之間的所述邊框形成第三輻射部,所述第一饋入部電連接至所述第一輻射部,以饋入電流至所述第一輻射部、第二輻射部及第三輻射部,所述切換電路電連接至所述第一輻射部。 The antenna structure according to claim 2, wherein the frame includes at least an end Part, a first side part and a second side part, the first side part and the second side part are respectively connected to both ends of the end part, and the side wall connects the first side part and the second side part Side part, a part of the side wall is parallel to the end part, and the slot is opened on the side of the back plate close to the end part, and faces the direction of the first side part and the second side part respectively Extending, the frame is provided with three interruption points, the three interruption points include a first interruption point, a second interruption point and a third interruption point, the first interruption point is opened at the end portion, and the first interruption point Two interruption points are opened on the second side portion, the third interruption point is opened on the first side portion, and the frame between the first interruption point and the second interruption point constitutes a first radiation Part, the frame between the first interruption point and the third interruption point constitutes a second radiation part, and the third interruption point and the slot are located between the end points of the first side part The frame forms a third radiating portion, and the first feeding portion is electrically connected to the first radiating portion to feed current to the first radiating portion, the second radiating portion, and the third radiating portion, the The switching circuit is electrically connected to the first radiation part. 如請求項8所述之天線結構,其中所述天線結構還包括接地部,所述接地部電連接至所述第二輻射部,以為所述第二輻射部提供接地;當所述第一饋入部饋入電流時,所述電流流經所述第一輻射部,並流向所述第二中斷點,進而激發一第一工作模態以產生第一輻射頻段的輻射訊號;當所述第一饋入部饋入電流時,所述電流流經所述第二輻射部,並通過所述接地部接地,進而激發一第二工作模態以產生第二輻射頻段的輻射訊號;當所述第一饋入部饋入電流時,所述電流流經所述第一輻射部及第二輻射部,再流入所述系統接地面,最後再流經所述第一輻射部,進而激發一第三工作模態以產生第三輻射頻段的輻射訊號;所述第一輻射頻段的頻率低於所述第二輻射頻段的頻率,所述第二輻射頻段的頻率低於所述第三輻射頻段的頻率。 The antenna structure according to claim 8, wherein the antenna structure further includes a grounding portion electrically connected to the second radiating portion to provide a ground for the second radiating portion; when the first feeder When the input part feeds current, the current flows through the first radiation part and flows to the second interruption point, thereby exciting a first working mode to generate a radiation signal in the first radiation frequency band; When the feeding part feeds current, the current flows through the second radiating part and is grounded through the grounding part, thereby exciting a second working mode to generate a radiation signal in the second radiation frequency band; When the feeding part feeds current, the current flows through the first radiating part and the second radiating part, then flows into the system ground plane, and finally flows through the first radiating part to excite a third operating mode The frequency of the first radiation frequency band is lower than the frequency of the second radiation frequency band, and the frequency of the second radiation frequency band is lower than the frequency of the third radiation frequency band. 如請求項9所述之天線結構,其中所述天線結構還包括 第二饋入部及第三饋入部,所述第二饋入部電連接至所述第二輻射部,以饋入電流至所述第二輻射部,所述第三饋入部電連接至所述第三輻射部,以饋入電流至所述第三輻射部;當所述第二饋入部饋入電流後,所述電流流經所述第二輻射部,進而激發一第四工作模態以產生第四輻射頻段的輻射訊號;當所述第三饋入部饋入電流後,所述電流流經所述第三輻射部,接著流入所述系統接地面,進而激發一第五工作模態以產生第五輻射頻段的輻射訊號;所述第四輻射頻段的一部分頻率與所述第二輻射頻段的頻率重疊,所述第三輻射頻段的頻率低於所述第五輻射頻段的頻率。 The antenna structure according to claim 9, wherein the antenna structure further includes A second feeding portion and a third feeding portion, the second feeding portion is electrically connected to the second radiating portion to feed current to the second radiating portion, and the third feeding portion is electrically connected to the first radiating portion Three radiating parts to feed current to the third radiating part; when the second feeding part feeds current, the current flows through the second radiating part, and then a fourth operating mode is excited to produce Radiation signal in the fourth radiation frequency band; when the third feeding part feeds current, the current flows through the third radiating part, and then flows into the system ground plane, thereby exciting a fifth operating mode to produce The radiation signal of the fifth radiation frequency band; a part of the frequency of the fourth radiation frequency band overlaps the frequency of the second radiation frequency band, and the frequency of the third radiation frequency band is lower than the frequency of the fifth radiation frequency band. 一種無線通訊裝置,包括如請求項1至10中任一項所述的天線結構。 A wireless communication device includes the antenna structure according to any one of claims 1 to 10.
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