TWM601907U

TWM601907U - Directional antenna

Info

Publication number: TWM601907U
Application number: TW109205498U
Authority: TW
Inventors: 邱亦文; 黃宇成; 趙振邦; 楊成發; 林文雄; 王歆崴
Original assignee: 佐臻股份有限公司
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-09-21

Abstract

一種指向性天線，其包含：一基板、一第一天線、一第二天線及一隔離部。該基板為一多層板，該基板至少包含一第一層板及一第二層板：該第一天線設於該第一層板及該第二層板，該第一天線包含一第一反射器、一第一輻射器及複數個第一導向器；該第二天線設於該第一層板及該第二層板，該第一天線包含一第二反射器、一第二輻射器及複數個第二導向器；以及該隔離部設於該第一層板及該第二層板，且位於該第一天線及該第二天線之間。藉此結構以達成提升天線指向性之目的，且另藉由該隔離部的設置，來降低兩天線的相互干擾與提升兩天線主波束方向的一致性。 A directional antenna includes: a substrate, a first antenna, a second antenna and an isolation part. The substrate is a multilayer board, and the substrate includes at least a first layer board and a second layer board: the first antenna is disposed on the first layer board and the second layer board, and the first antenna includes a A first reflector, a first radiator and a plurality of first directors; the second antenna is arranged on the first layer board and the second layer board, the first antenna includes a second reflector, a A second radiator and a plurality of second directors; and the isolation part is arranged on the first layer board and the second layer board, and is located between the first antenna and the second antenna. This structure achieves the purpose of improving the directivity of the antenna, and the arrangement of the isolation part reduces the mutual interference of the two antennas and improves the consistency of the main beam directions of the two antennas.

Description

指向性天線 Directional antenna

本創作係關於一種天線，尤指一種指向性天線。 This creation is about an antenna, especially a directional antenna.

現行智能眼鏡的天線結構，如中華民國專利公報公告號第I589950「眼鏡式通訊裝置」，其天線是耦合式單極天線(coupling-type monopole antenna)，包括輻射部、寄生部以及匹配部。該天線是操作在2.4GHz頻段與5GHz頻段。 The antenna structure of the current smart glasses, such as the Republic of China Patent Publication No. I589950 "Glasses Type Communication Device", the antenna is a coupling-type monopole antenna, including a radiating part, a parasitic part and a matching part. The antenna is operated in the 2.4GHz band and the 5GHz band.

再如中華人民共和國專利公告號CN110635223「一種4G-MIMO智能眼鏡天線」，其利用環天線與單極子天線的結構來覆蓋4G的低頻段824~960MHz與4G的高頻段1710~2690MHz。 Another example is the People's Republic of China Patent Publication No. CN110635223 "A 4G-MIMO Smart Glasses Antenna", which uses a loop antenna and monopole antenna structure to cover the 4G low frequency band 824~960MHz and 4G high frequency band 1710~2690MHz.

然而，隨著5G時代的來臨，許多電子設備皆配備了能夠接收5G訊號的天線結構。誠如前述提及現行智能眼鏡的天線結構，仍未整合5G技術。再者，受限於智能眼鏡的體積及重量需求，需發展一種體積小，適用於穿戴式電子設備且具有高頻寬、高速率、低延遲特性的天線結構。 However, with the advent of the 5G era, many electronic devices are equipped with antenna structures capable of receiving 5G signals. As mentioned above, the antenna structure of current smart glasses has not yet integrated 5G technology. Furthermore, limited by the volume and weight requirements of smart glasses, it is necessary to develop an antenna structure that is small in size, suitable for wearable electronic devices, and has high frequency bandwidth, high speed, and low delay characteristics.

故，如何將上述問題加以改進，乃為本案創作人所欲解決之技術困難點之所在。 Therefore, how to improve the above problem is the technical difficulty that the creator of this case wants to solve.

有鑑於習用所述，因此本創作在於解決及改善習用所存在之問題與缺失為目的。 In view of the above, this creation is to solve and improve the existing Problems and deficiencies are the purpose.

為達成以上之目的，本創作係提供一種指向性天線，其包含：一基板、一第一天線、一第二天線及一隔離部。該基板為一多層板，該基板至少包含一第一層板及一第二層板；該第一天線設於該第一層板及該第二層板，該第一天線包含一第一反射器、一第一輻射器及複數個第一導向器；該第二天線設於該第一層板及該第二層板，該第一天線包含一第二反射器、一第二輻射器及複數個第二導向器；以及該隔離部設於該第一層板及該第二層板，且位於該第一天線及該第二天線之間。 In order to achieve the above objectives, this invention provides a directional antenna, which includes: a substrate, a first antenna, a second antenna, and an isolation part. The substrate is a multi-layer board, the substrate includes at least a first layer board and a second layer board; the first antenna is arranged on the first layer board and the second layer board, and the first antenna includes a A first reflector, a first radiator and a plurality of first directors; the second antenna is arranged on the first layer board and the second layer board, the first antenna includes a second reflector, a A second radiator and a plurality of second directors; and the isolation part is arranged on the first layer board and the second layer board, and is located between the first antenna and the second antenna.

其中較佳的，該第一輻射器包含有一第一饋入部及一第二饋入部，該第一饋入部設於該第一層板，該第二饋入部設於該第二層板。 Preferably, the first radiator includes a first feeding portion and a second feeding portion, the first feeding portion is provided on the first layer board, and the second feeding portion is provided on the second layer board.

較佳的，該第二輻射器包含有一第三饋入部及一第四饋入部，該第三饋入部設於該第一層板，該第四饋入部設於該第二層板。 Preferably, the second radiator includes a third feeding portion and a fourth feeding portion, the third feeding portion is provided on the first layer board, and the fourth feeding portion is provided on the second layer board.

較佳的，該第一饋入部及該第二饋入部之間具有一第二間距且不相互重疊。 Preferably, there is a second distance between the first feeding portion and the second feeding portion and does not overlap each other.

較佳的，該第三饋入部及該第四饋入部之間具有一第二間距且不相互重疊。 Preferably, the third feeding portion and the fourth feeding portion have a second distance between them and do not overlap each other.

較佳的，該第一反射器、該第一輻射器及該些第一導向器是印刷於該基板上的金屬導體。 Preferably, the first reflector, the first radiator and the first guides are metal conductors printed on the substrate.

較佳的，該第二反射器、該第二輻射器及該些第二導向器是印刷於該基板上的金屬導體。 Preferably, the second reflector, the second radiator and the second guides are metal conductors printed on the substrate.

較佳的，該第一輻射器形成於該第一反射器及該些第一導向器之間。 Preferably, the first radiator is formed between the first reflector and the first guides.

較佳的，該第二輻射器形成於該第二反射器及該些第二導向器之間。 Preferably, the second radiator is formed between the second reflector and the second guides.

較佳的，該基板設有複數個貫孔，該複數個貫孔貫穿該基板。 Preferably, the substrate is provided with a plurality of through holes, and the plurality of through holes penetrate the substrate.

本創作藉此結構以達成提升天線指向性之目的，且另藉由該隔離部的設置，來降低兩天線的相互干擾與提升兩天線主波束方向的一致性。 This creation uses the structure to achieve the purpose of improving the directivity of the antenna, and also through the arrangement of the isolation part, to reduce the mutual interference of the two antennas and improve the consistency of the main beam directions of the two antennas.

〔本創作〕 [This creation]

1:基板 1: substrate

11:第一層板 11: First layer board

12:第二層板 12: Second layer board

13:第三層板 13: The third layer board

14:第四層板 14: The fourth layer board

2:第一天線 2: The first antenna

21:第一反射器 21: The first reflector

22:第一輻射器 22: The first radiator

221:第一饋入部 221: The first feeding part

222:第二饋入部 222: The second feeding part

23:第一導向器 23: The first director

3:第二天線 3: second antenna

31:第二反射器 31: second reflector

32:第二輻射器 32: second radiator

321:第三饋入部 321: The third feeding part

322:第四饋入部 322: The fourth feeding part

33:第二導向器 33: second director

4a:隔離部 4a: Isolation Department

4b:隔離部 4b: Isolation Department

5:貫孔 5: Through hole

S1:第一間距 S1: first spacing

S2:第二間距 S2: second spacing

S3:第三間距 S3: third spacing

S4:第四間距 S4: fourth spacing

第一圖為本創作指向性天線之正面。 The first picture is the front of the creative directional antenna.

第二為為本創作指向性天線之側面。 The second is the side of the directional antenna of this creation.

第三圖為本創作指向性天線之分解圖。 The third picture is an exploded view of the creative directional antenna.

第三之A圖為第二間距之示意圖。 The third diagram A is a schematic diagram of the second pitch.

第四圖為本創作指向性天線的頻率-反射係數關係圖。 The fourth figure is the frequency-reflection coefficient relationship diagram of the creative directional antenna.

第五圖為本創作指向性天線的第二天線之輻射場型圖。 The fifth figure is the radiation pattern of the second antenna of the creative directional antenna.

第六圖為本創作指向性天線的第一天線之輻射場型圖。 The sixth figure is the radiation pattern of the first antenna of the creative directional antenna.

為使貴審查員方便簡潔瞭解本創作之其他特徵內容與優點及其所達成之功效能夠更為顯現，茲將本創作配合附圖，詳細說明如下： In order to make it easier for your examiner to understand the other features and advantages of this creation and the effects achieved by it more clearly, I would like to combine this creation with the attached drawings. The detailed description is as follows:

請參閱第一圖及第二圖所示，本創作提供一種指向性天線，其包含：一基板1、一第一天線2、一第二天線3及一隔離部4a、4b。 Please refer to the first and second figures. The present invention provides a directional antenna, which includes: a substrate 1, a first antenna 2, a second antenna 3, and an isolation portion 4a, 4b.

該基板1為平面板狀，該基板1可為印刷電路板(PCB)或金屬結構板，可採用塑膠、玻璃纖維、電木等絕緣材料製成，並可在其上塗佈或電鍍如銀、銅等金屬導體以形成天線結構。在本實施例中，該基板1為印刷電路板(PCB)，且該基板1為多層板，各層板由介電層(環氧樹脂、玻璃纖維)與高純度的導體層(銅箔)兩者所構成，且介電層為簍空，然而由於印刷電路板的結構為習知技術，因此本實施中概不贅述。 The substrate 1 is in the shape of a flat plate. The substrate 1 can be a printed circuit board (PCB) or a metal structure board, which can be made of insulating materials such as plastic, glass fiber, and bakelite, and can be coated on it Or electroplating metal conductors such as silver and copper to form the antenna structure. In this embodiment, the substrate 1 is a printed circuit board (PCB), and the substrate 1 is a multi-layer board. Each layer is composed of a dielectric layer (epoxy resin, glass fiber) and a high-purity conductor layer (copper foil). The structure of the printed circuit board is formed by the above, and the dielectric layer is hollow. However, since the structure of the printed circuit board is a conventional technology, it will not be repeated in this embodiment.

請參閱第三圖所示，該基板1為多層板，該基板1至少包含一第一層板11及一第二層板12，該多層板可包含依序堆疊的第一至第N層板結構，N可為大於二的正整數。在本實施例中，該多層板的層數為四層，包含該第一層板11、該第二層板12、一第三層板13及一第四層板14。就功用來說，該第一層板11及該第二層板12為元件層，用於設置天線的走線及電子零組件，該第三層板13及該第四層板14分別為電源層及接地層。該基板1可選用Rogers Corporation製造的RO4350B及RO4450F的高頻電路板，但不以上述的電路板型號為限，可依實際需求選用適當型號的電路板，以上僅供實施例說明。 Please refer to the third figure, the substrate 1 is a multilayer board, the substrate 1 includes at least a first layer 11 and a second layer 12, and the multilayer board may include first to Nth layers stacked in sequence Structure, N can be a positive integer greater than two. In this embodiment, the number of layers of the multilayer board is four, including the first layer 11, the second layer 12, a third layer 13 and a fourth layer 14. In terms of function, the first layer board 11 and the second layer board 12 are component layers, which are used to set the antenna wiring and electronic components. The third layer board 13 and the fourth layer board 14 are power sources respectively. Layer and ground layer. The substrate 1 can be selected from RO4350B and RO4450F high-frequency circuit boards manufactured by Rogers Corporation, but not limited to the above-mentioned circuit board models, and suitable circuit boards can be selected according to actual needs. The above is only for example description.

請繼續參閱第一圖及第二圖所示(可配合參閱第三圖所示)，該第一天線2設於該第一層板11及該第二層板12，該第一天線2包含一第一反射器21、一第一輻射器22及複數個第一導向器23。該第一天線2可為印刷式八木天線，該第一反射器21、該第一輻射器22及該些第一導向器23是印刷於該基板1上的金屬導體。 Please continue to refer to the first and second diagrams (refer to the third diagram in conjunction), the first antenna 2 is provided on the first layer 11 and the second layer 12, the first antenna 2 includes a first reflector 21, a first radiator 22, and a plurality of first guides 23. The first antenna 2 may be a printed Yagi antenna, and the first reflector 21, the first radiator 22 and the first guides 23 are metal conductors printed on the substrate 1.

該第一反射器21設於該基板1上，該第一反射器21為金屬導體，又該第一反射器21可為長條狀。該第一輻射器22設於該基板1上，該第一輻射器22與該第一反射器21之間具有一第一間距S1，該第一輻射器22包含有一第一饋入部221及一第二饋入部222，該第一饋入部221設於該第一層板 11，該第二饋入部222設於該第二層板12。該第一饋入部221及該第二饋入部222之間具有一第二間距S2且不相互重疊(如第三之A圖所示)。該第一輻射器22可為印刷偶極天線，又該第一輻射器22的橫向長度小於該第一反射器21的橫向長度。 The first reflector 21 is disposed on the substrate 1, the first reflector 21 is a metal conductor, and the first reflector 21 can be elongated. The first radiator 22 is disposed on the substrate 1, and there is a first distance S1 between the first radiator 22 and the first reflector 21. The first radiator 22 includes a first feeding portion 221 and a The second feeding portion 222, the first feeding portion 221 is provided on the first layer board 11. The second feeding portion 222 is provided on the second layer board 12. The first feeding portion 221 and the second feeding portion 222 have a second distance S2 and do not overlap each other (as shown in the third diagram A). The first radiator 22 may be a printed dipole antenna, and the lateral length of the first radiator 22 is smaller than the lateral length of the first reflector 21.

該些第一導向器23位於該第一輻射器22一側，該第一導向器23與該第一輻射器22之間具有一第三間距S3，且各該些第一導向器23之間具有一第四間距S4，又該些第一導向器23的橫向長度小於該第一輻射器22的橫向長度。該第一反射器21、該第一輻射器22及該些第一導向器23是以同一方向依序設於該基板1上。並且，該第一輻射器22形成於該第一反射器21及該些第一導向器23之間。 The first guides 23 are located at one side of the first radiator 22, there is a third distance S3 between the first guides 23 and the first radiator 22, and the first guides 23 are There is a fourth distance S4, and the lateral length of the first guides 23 is smaller than the lateral length of the first radiator 22. The first reflector 21, the first radiator 22, and the first guides 23 are sequentially arranged on the substrate 1 in the same direction. Moreover, the first radiator 22 is formed between the first reflector 21 and the first guides 23.

該第二天線3設於該第一層板11及該第二層板12，該第二天線3包含一第二反射器31、一第二輻射器32及複數個第二導向器33。該第二天線3可為印刷式八木天線，該第二反射器31、該第二輻射器32及該些第二導向器33是印刷於該基板1上的金屬導體。 The second antenna 3 is disposed on the first layer 11 and the second layer 12, and the second antenna 3 includes a second reflector 31, a second radiator 32, and a plurality of second directors 33 . The second antenna 3 may be a printed Yagi antenna, and the second reflector 31, the second radiator 32 and the second guides 33 are metal conductors printed on the substrate 1.

該第二反射器31設於該基板1上，該第二反射器31為金屬導體，又該第二反射器31可為長條狀。該第二輻射器32設於該基板1上，該第二輻射器32與該第二反射器31之間具有該第一間距S1，該第二輻射器32包含有一第三饋入部321及一第四饋入部322，該第三饋入部321設於該第一層板11，該第四饋入部322設於該第二層板12。該第三饋入部321及該第四饋入部322之間具有該第二間距S2且不相互重疊。該第二輻射器32可為印刷偶極天線，又該第二輻射器32的橫向長度小於該第二反射器31的橫向長度。 The second reflector 31 is disposed on the substrate 1, the second reflector 31 is a metal conductor, and the second reflector 31 can be elongated. The second radiator 32 is disposed on the substrate 1, the first distance S1 is between the second radiator 32 and the second reflector 31, and the second radiator 32 includes a third feeding portion 321 and a The fourth feeding portion 322, the third feeding portion 321 is provided on the first layer board 11, and the fourth feeding portion 322 is provided on the second layer board 12. The third feeding portion 321 and the fourth feeding portion 322 have the second distance S2 between them and do not overlap each other. The second radiator 32 may be a printed dipole antenna, and the lateral length of the second radiator 32 is smaller than the lateral length of the second reflector 31.

該些第二導向器33位於該第二輻射器32一側，該第二導向器 33與該第二輻射器32之間具有該第三間距S3，且各該些第二導向器33之間具有該第四間距S4，又該些第二導向器33的橫向長度小於該第二輻射器32的橫向長度。該第二反射器31、該第二輻射器32及該些第二導向器33是以同一方向依序設於該基板1上。並且，該第二輻射器32形成於該第二反射器31及該些第二導向器33之間。 The second guides 33 are located at one side of the second radiator 32, and the second guides 33 and the second radiator 32 have the third distance S3, and each of the second guides 33 has the fourth distance S4, and the lateral length of the second guides 33 is smaller than the second The lateral length of the radiator 32. The second reflector 31, the second radiator 32 and the second guides 33 are sequentially arranged on the substrate 1 in the same direction. Moreover, the second radiator 32 is formed between the second reflector 31 and the second guides 33.

上述各間距包含該第一間距S1、該第二間距S2、該第三間距S3及該第四間距S4，可依實際需求而定。 The above-mentioned intervals include the first interval S1, the second interval S2, the third interval S3, and the fourth interval S4, which can be determined according to actual requirements.

該隔離部4a設於該第一層板11，該隔離部4b設於該第二層板12，且位於該第一天線2及該第二天線3之間。該隔離部4a及該隔離部4b為長條形，並以複數個貫孔5(Via)相連，如所示圓孔，並且須注意的是該複數個貫孔5的設置，要避免影響該第一天線2及該第二天線3的走線。由於該基板1為多層板，所以該基板1需設有該複數個貫孔5，該複數個貫孔5貫穿該多層板，藉由該複數個貫孔5阻擋該第一天線2及該第二天線3的天線波回彈至該基板1的接地層，如同柵欄般隔離回彈的天線波，也具有阻抗匹配(Iimpedance Matching)的功用。該隔離部4a、4b用以隔離該第一天線2與該第二天線3彼此間的相互干擾與提升兩天線主波束方向的一致性。 The isolation portion 4 a is provided on the first layer board 11, and the isolation portion 4 b is provided on the second layer board 12 and is located between the first antenna 2 and the second antenna 3. The isolating portion 4a and the isolating portion 4b are elongated and connected by a plurality of through holes 5 (Via), such as circular holes as shown, and it should be noted that the arrangement of the plurality of through holes 5 should not affect the The wiring of the first antenna 2 and the second antenna 3. Since the substrate 1 is a multilayer board, the substrate 1 needs to be provided with the plurality of through holes 5, the plurality of through holes 5 penetrate the multilayer board, and the plurality of through holes 5 block the first antenna 2 and the The antenna wave of the second antenna 3 rebounds to the ground layer of the substrate 1 to isolate the rebounding antenna wave like a fence, and also has the function of impedance matching (Iimpedance Matching). The isolation portions 4a, 4b are used to isolate the mutual interference between the first antenna 2 and the second antenna 3 and improve the consistency of the main beam directions of the two antennas.

值得一提的是，可依據實際需求調整該些第一導向器23與該些第二導向器33的數量，來調整該指向性天線的指向性。 It is worth mentioning that the number of the first guides 23 and the second guides 33 can be adjusted according to actual requirements to adjust the directivity of the directional antenna.

請參閱第四圖所示，其顯示該指向性天線的頻率-反射係數(Reflection Coefficient)關係圖。由該頻率-反射係數關係圖可看出該指向性天線於57~64GHz頻率之反射係數皆可達-10dB以下，而可使該指向性天線適用於57~64GHz的ISM頻帶，ISM頻帶是指無需許可證或費用的工業科學和醫學用頻帶(Industrial Scientific Medical Band，簡稱ISM Band)。 Please refer to the fourth figure, which shows the frequency-reflection coefficient (Reflection Coefficient) relationship diagram of the directional antenna. From the frequency-reflection coefficient relationship diagram, it can be seen that the reflection coefficient of the directional antenna at 57~64GHz frequency can reach -10dB or less, and the directional antenna can be applied to the ISM band of 57~64GHz. The ISM band refers to Industrial science and medicine without licenses or fees Use frequency band (Industrial Scientific Medical Band, ISM Band for short).

請參閱第五圖及第六圖所示，其顯示該指向性天線的輻射場型圖，第五圖為第一天線的輻射場型圖，第六圖為第二天線的輻射場型圖，該指向性天線的最大實際增益(Realized Gain)約為6dBi，該指向性天線的半功率波束寬(Half Power Beam Width，簡稱HPBW)約為55度。 Please refer to the fifth and sixth figures, which show the radiation pattern of the directional antenna. The fifth figure is the radiation pattern of the first antenna, and the sixth figure is the radiation pattern of the second antenna. As shown in the figure, the maximum realized gain of the directional antenna is about 6dBi, and the half power beam width (HPBW) of the directional antenna is about 55 degrees.

是以，該指向性天線將兩組八木天線(即該第一天線2與該第二天線3)的結構設於該基板1上，使該指向性天線適用於智能眼鏡等穿戴式電子設備上，其中八木天線的結構具有高指向性。同時該指向性天線還適用於57~64GHz的ISM頻帶，以因應5G通訊技術開創的新應用需求，達到高頻寬、高速率、低延遲的特性。並且，該隔離部4a、4b可改善天線之間的干擾問題，避免該第一天線2與該第二天線3彼此間的相互影響與提升兩天線主波束方向的一致性。 Therefore, the directional antenna has two sets of Yagi antennas (that is, the first antenna 2 and the second antenna 3) arranged on the substrate 1, so that the directional antenna is suitable for wearable electronics such as smart glasses. On the equipment, the structure of the Yagi antenna has high directivity. At the same time, the directional antenna is also suitable for the 57~64GHz ISM frequency band to meet the new application requirements created by 5G communication technology and achieve the characteristics of high bandwidth, high speed and low delay. Moreover, the isolation portions 4a, 4b can improve the interference problem between the antennas, avoid the mutual influence between the first antenna 2 and the second antenna 3, and improve the consistency of the main beam directions of the two antennas.

綜上所述，該指向性天線具有下述優點： In summary, the directional antenna has the following advantages:

1、體積小，適用於穿戴式電子設備。 1. Small size, suitable for wearable electronic equipment.

2、適用於57~64GHz的ISM頻帶。 2. It is suitable for 57~64GHz ISM frequency band.

3、高頻寬、高速率、低延遲。 3. High frequency bandwidth, high speed, low latency.

4、改善兩天線間干擾問題與提升兩天線主波束方向一致性。 4. Improve the interference problem between the two antennas and improve the consistency of the main beam directions of the two antennas.

5、高指向性。 5. High directivity.

以上所論述者，僅為本創作較佳實施例而已，並非用以限定本創作實施之範圍；故在不脫離本創作之精神與範疇內所作之等效形狀、構造或組合之變換，皆應涵蓋於本創作之申請專利範圍內。 The above discussion is only a preferred embodiment of this creation, and is not intended to limit the scope of implementation of this creation; therefore, any equivalent shape, structure or combination transformation made without departing from the spirit and scope of this creation should Covered in the scope of patent application for this creation.

1:基板 1: substrate

11:第一層板 11: First layer board

12:第二層板 12: Second layer board

13:第三層板 13: The third layer board

14:第四層板 14: The fourth layer board

2:第一天線 2: The first antenna

21:第一反射器 21: The first reflector

22:第一輻射器 22: The first radiator

221:第一饋入部 221: The first feeding part

222:第二饋入部 222: The second feeding part

23:第一導向器 23: The first director

3:第二天線 3: second antenna

31:第二反射器 31: second reflector

32:第二輻射器 32: second radiator

321:第三饋入部 321: The third feeding part

322:第四饋入部 322: The fourth feeding part

33:第二導向器 33: second director

4a:隔離部 4a: Isolation Department

4b:隔離部 4b: Isolation Department

5:貫孔 5: Through hole

Claims

一種指向性天線，其包含： A directional antenna, which includes:

一基板，為一多層板，該基板至少包含一第一層板及一第二層板； A substrate is a multilayer board, and the substrate includes at least a first layer and a second layer;

一第一天線，設於該第一層板及該第二層板，該第一天線包含一第一反射器、一第一輻射器及複數個第一導向器； A first antenna arranged on the first layer board and the second layer board, the first antenna including a first reflector, a first radiator and a plurality of first directors;

一第二天線，設於該第一層板及該第二層板，該第二天線包含一第二反射器、一第二輻射器及複數個第二導向器；以及 A second antenna disposed on the first layer board and the second layer board, the second antenna including a second reflector, a second radiator and a plurality of second directors; and

一隔離部，設於該第一層板及該第二層板，且位於該第一天線及該第二天線之間。 An isolation part is arranged on the first layer board and the second layer board, and is located between the first antenna and the second antenna.

如申請專利範圍第1項所述之指向性天線，其中該第一輻射器包含有一第一饋入部及一第二饋入部，該第一饋入部設於該第一層板，該第二饋入部設於該第二層板。 According to the directional antenna described in claim 1, wherein the first radiator includes a first feeding portion and a second feeding portion, the first feeding portion is provided on the first layer board, and the second feeding portion The entrance is arranged on the second layer board.

如申請專利範圍第1項所述之指向性天線，其中該第二輻射器包含有一第三饋入部及一第四饋入部，該第三饋入部設於該第一層板，該第四饋入部設於該第二層板。 According to the directional antenna described in claim 1, wherein the second radiator includes a third feeding portion and a fourth feeding portion, the third feeding portion is provided on the first layer board, and the fourth feeding portion The entrance is arranged on the second layer board.

如申請專利範圍第2項所述之指向性天線，其中該第一饋入部及該第二饋入部之間具有一第二間距且不相互重疊。 According to the directional antenna described in item 2 of the scope of patent application, the first feeding portion and the second feeding portion have a second distance and do not overlap each other.

如申請專利範圍第3項所述之指向性天線，其中該第三饋入部及該第四饋入部之間具有一第二間距且不相互重疊。 According to the directional antenna described in item 3 of the scope of patent application, the third feeding portion and the fourth feeding portion have a second distance and do not overlap each other.

如申請專利範圍第1項所述之指向性天線，其中該第一反射器、該第一輻射器及該些第一導向器是印刷於該基板上的金屬導體。 According to the directional antenna described in claim 1, wherein the first reflector, the first radiator and the first guides are metal conductors printed on the substrate.

如申請專利範圍第1項所述之指向性天線，其中該第二反射器、該第二輻射器及該些第二導向器是印刷於該基板上的金屬導體。 The directional antenna described in item 1 of the scope of patent application, wherein the second reflector, the second The radiator and the second guides are metal conductors printed on the substrate.

如申請專利範圍第1項所述之指向性天線，其中該第一輻射器形成於該第一反射器及該些第一導向器之間。 According to the directional antenna described in claim 1, wherein the first radiator is formed between the first reflector and the first directors.

如申請專利範圍第1項所述之指向性天線，其中該第二輻射器形成於該第二反射器及該些第二導向器之間。 According to the directional antenna described in claim 1, wherein the second radiator is formed between the second reflector and the second directors.

如申請專利範圍第1項所述之指向性天線，其中該基板設有複數個貫孔，該複數個貫孔貫穿該基板。 According to the directional antenna described in item 1 of the scope of patent application, the substrate is provided with a plurality of through holes, and the plurality of through holes penetrate the substrate.