CN213460090U - Laminated antenna and terminal equipment - Google Patents

Laminated antenna and terminal equipment Download PDF

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Publication number
CN213460090U
CN213460090U CN202021358511.8U CN202021358511U CN213460090U CN 213460090 U CN213460090 U CN 213460090U CN 202021358511 U CN202021358511 U CN 202021358511U CN 213460090 U CN213460090 U CN 213460090U
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CN
China
Prior art keywords
antenna
substrate
antenna radiation
radiation unit
laminated
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Active
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CN202021358511.8U
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Chinese (zh)
Inventor
许心影
王建安
陈勇利
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AAC Technologies Pte Ltd
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AAC Technologies Pte Ltd
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Priority to CN202021358511.8U priority Critical patent/CN213460090U/en
Priority to PCT/CN2020/102728 priority patent/WO2022006986A1/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

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  • Details Of Aerials (AREA)

Abstract

The utility model discloses a laminated antenna, which comprises a substrate, one or more antenna radiation units arranged on the substrate and a feed part for feeding the one or more antenna radiation units; each antenna radiation unit comprises a plurality of antenna radiation unit elements, and at least two antenna radiation unit elements in the plurality of antenna radiation unit elements are arranged on different surfaces of the substrate in an up-down stacked mode; the feed part is arranged on the substrate and is electrically connected with each antenna radiation unit; and the plurality of antenna radiation unit elements which are arranged in a stacked mode are electrically connected. The utility model discloses an antenna radiation unit on locating the base plate with traditional plane divides into a plurality of antenna radiation unit components to set up the part range upon range of a plurality of antenna radiation unit components on the base plate, make antenna radiation unit shared plane space greatly reduced on the base plate, satisfy the demand that current terminal equipment reserves the installation space for the antenna and reduce day by day. The utility model also provides a terminal equipment.

Description

Laminated antenna and terminal equipment
Technical Field
The utility model relates to an antenna especially relates to a stromatolite antenna and terminal equipment.
Background
In the prior art of manufacturing an antenna with a flexible substrate, as shown in fig. 1, for example, a first antenna radiation element 2 and a second antenna radiation element 3 are generally disposed on the upper surface of a topmost substrate 1, and the antenna is connected with an internal transmission line of a mobile terminal device through a through hole or a blind hole. However, as the existing terminal devices, especially mobile terminal devices, are lighter and thinner and have complicated functions, the space reserved for installing the antennas becomes smaller and smaller, in which case, on one hand, the size of the antennas can be reduced, which inevitably affects the performance of the antennas, and on the other hand, the distance between the antennas can be reduced, which affects the isolation between the antennas.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a laminated antenna, which can reduce the occupied space of the antenna and maintain the performance of the antenna.
A second object of the utility model is to provide a terminal equipment can keep the performance of antenna when reducing the occupation space of antenna.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a laminated antenna comprising a substrate, one or more antenna radiating elements and a feed for feeding the one or more antenna radiating elements; each antenna radiation unit comprises a plurality of antenna radiation unit elements, and at least two antenna radiation unit elements in the plurality of antenna radiation unit elements are arranged on different surfaces of the substrate in an up-down stacked mode; the feed part is arranged on the substrate and is electrically connected with each antenna radiation unit; the antenna radiation unit elements are electrically connected with each other.
Further, the antenna radiation element elements arranged in a stack are at least partially arranged directly opposite to each other.
Furthermore, at least part of the antenna radiation unit elements which are arranged oppositely are electrically connected through the metalized through holes.
Further, the laminated antenna includes one or more layers of the substrate; when the laminated antenna comprises a layer of the substrate, the plurality of antenna radiation element elements of each antenna radiation element are respectively arranged on two surfaces of the substrate; when the laminated antenna is a multilayer substrate, the plurality of antenna radiation element elements of each antenna radiation element are respectively arranged on different surfaces of the multilayer substrate.
Further, when the laminated antenna comprises a multi-layer substrate, the multi-layer substrate is laminated in a pressing manner.
Further, the substrate is a flexible substrate.
Further, when the laminated antenna comprises a plurality of layers of substrates, each layer of substrate is a single-sided copper-clad substrate or a double-sided copper-clad substrate.
The second purpose of the utility model is realized by adopting the following technical scheme:
a terminal device comprising a laminated antenna as one of the objects of the present invention.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses utilize the principle that high space traded the plane space, will locate the antenna radiating element split on the base plate surface and become a plurality of antenna radiating element components to stack the more than lower floor of a plurality of antenna radiating element components and set up on the base plate, thereby but the shared plane space of greatly reduced antenna radiating element on the base plate, reduced the plane overall arrangement of antenna, satisfied the demand that the space of current terminal equipment reservation for the antenna is reduced day by day.
Drawings
Fig. 1 is a schematic diagram of a conventional antenna structure fabricated with a flexible substrate;
fig. 2 is a schematic diagram of the stacked antenna structure of the present invention;
fig. 3 is a comparison graph of return loss of the first antenna radiating element in the stacked antenna and the first antenna radiating element in the conventional antenna provided by the present invention;
fig. 4 is a graph comparing the efficiency of the first antenna radiating element in the stacked antenna provided by the present invention with that of the conventional antenna;
fig. 5 is a return loss comparison diagram of a second antenna radiation unit in the stacked antenna and a second antenna radiation unit in the conventional antenna provided by the present invention;
fig. 6 is a graph comparing the efficiency of the second antenna radiation unit in the stacked antenna and the efficiency of the second antenna radiation unit in the conventional antenna;
fig. 7 is a comparison graph of the isolation between two antenna radiation units in the stacked antenna and the isolation between two antenna radiation units in the conventional antenna.
In the figure: 1. a substrate; 2. a first antenna radiating element; 3. a second antenna radiation element; 4. a feeding section; 5. a through hole; 6. a ground plate; 21. a first antenna radiating element group; 22. a second antenna radiation element group; 211. a first antenna radiating element; 212. a second antenna radiating element; 221. a third antenna radiation element; 31. a third antenna radiation unit element group; 32. a fourth antenna radiation unit element group; 311. a fourth antenna radiation element; 312. a fifth antenna radiating element; 321. a sixth antenna radiating element.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The utility model provides a stromatolite antenna, stromatolite antenna include base plate, one or more antenna radiating element and for the feed portion of one or more antenna radiating element feed.
Each antenna radiation unit comprises a plurality of antenna radiation unit elements, and at least two antenna radiation unit elements in the plurality of antenna radiation unit elements are arranged on different surfaces of the substrate in an up-down stacking mode.
The antenna radiation unit elements are electrically connected with each other.
Preferably, the utility model provides an antenna radiating element can be high frequency antenna radiating element, also can low frequency antenna radiating element, the utility model discloses do not do any change to the antenna type, only change to the mode that sets up of antenna radiating element on the base plate. That is, one antenna radiation unit, which is conventionally disposed on a substrate in a planar manner, is split into a plurality of antenna radiation unit elements, which are disposed on the substrate in an up-down stacked manner. Wherein, a plurality of antenna radiation element components constitute an antenna radiation element.
Preferably, the antenna radiating element elements arranged one above the other are at least partially arranged directly opposite to each other.
As shown in fig. 2, the present invention provides a preferred embodiment, the laminated antenna includes a substrate 1, a first antenna radiating element 2, a second antenna radiating element 3, a ground plate 6 and a feeding portion 4 for feeding the first antenna radiating element 2 and the second antenna radiating element 3.
Here, as shown in fig. 2, the first antenna radiation element 2 includes a first antenna radiation element group 21 and a second antenna radiation element group 22 which are stacked. Preferably, the first antenna radiation element group 21 includes a first antenna radiation element 211 and a second antenna radiation element 212 provided on one surface of the substrate 1, and the second antenna radiation element group 22 includes a third antenna radiation element 221 provided on the other surface of the substrate 1.
The first antenna radiating element 211 is at least partially disposed directly opposite the third antenna radiating element 221.
The second antenna radiation element 3 includes a third antenna radiation element group 31 and a fourth antenna radiation element group 32 which are stacked.
Similarly, the third antenna radiation element group 31 includes the fourth antenna radiation element 311 and the fifth antenna radiation element 312 provided on one surface of the substrate 1, and the fourth antenna radiation element group 32 includes the sixth antenna radiation element 321 provided on the other surface of the substrate 1.
Fourth antenna radiating element 311 is at least partially disposed directly opposite sixth antenna radiating element 321.
The utility model discloses with one or more antenna radiation unit split one-tenth a plurality of antenna radiation unit components that traditional base plate 1 went up the plane setting, then range upon range of a plurality of antenna radiation unit components in proper order and locate base plate 1 on the surface to make antenna radiation unit shared plane space on base plate 1 reduce greatly, under the condition that does not reduce original antenna performance is guaranteed basically, the plane overall arrangement of antenna has been reduced, the demand that the installation space of having satisfied current terminal equipment reservation for the antenna reduces day by day. Such as the first antenna radiating element 2 and the second antenna radiating element 3 on the substrate 1 provided in this embodiment. As can be seen from fig. 1, the plurality of oscillators of the first antenna radiating element 2 and the second antenna radiating element 3 are all laid on the substrate 1 in a planar manner, and when the size of the substrate 1 is reduced, the size of the first antenna radiating element 2 and the second antenna radiating element 3 is reduced or the distance between the first antenna radiating element and the second antenna radiating element is reduced, which is not beneficial to the improvement of the antenna performance or the improvement of the antenna isolation. Can know from fig. 2, because the utility model discloses with first antenna radiating element 2 and the equal split of second antenna radiating element 3 become range upon range of a plurality of antenna radiating element components of locating base plate 1 surface to can make every antenna radiating element shared planar space on base plate 1 reduce greatly, guarantee not to reduce the condition of antenna performance basically under, reduce the planar layout of antenna, increased the distance between the adjacent antenna radiating element relatively simultaneously, promoted the isolation of antenna.
Preferably, the laminated antenna comprises a substrate 1 or is formed by compounding a plurality of substrates 1. When the laminated antenna comprises the multilayer substrate 1, the multilayer substrate 1 is laminated in a pressing mode.
When the laminated antenna includes one layer of the substrate 1, the plurality of antenna radiation element elements of one antenna radiation element are separately disposed on two surfaces of the substrate 1, that is, at least two antenna radiation element elements of the plurality of antenna radiation element elements are laminated on different surfaces of the substrate 1. The first antenna radiating element 2 as given in the present embodiment: the first antenna radiation element 211 and the second antenna radiation element 212 in the first antenna radiation element group 21 are provided on one surface of the substrate 1, and the third antenna radiation element 221 in the second antenna radiation element group 22 is provided on the other surface of the substrate 1; wherein the first antenna radiation element 211 is stacked on the third antenna radiation element 221, and the first antenna radiation element 211 and the third antenna radiation element 221 are at least partially disposed opposite to each other. Similarly, for the second antenna radiation element 3: the fourth antenna radiation element 311 and the fifth antenna radiation element 312 in the third antenna radiation element group 31 are provided on one surface of the substrate 1, and the sixth antenna radiation element 321 in the fourth antenna radiation element group 32 is provided on the other surface of the substrate 1; wherein the fourth antenna radiation element 311 is stacked on the sixth antenna radiation element 321, and the fourth antenna radiation element 311 and the sixth antenna radiation element 321 are at least partially disposed opposite to each other.
Preferably, at least some of the antenna radiation element elements arranged opposite to each other on different surfaces of the substrate 1 are electrically connected through the through hole 5. Preferably, the vias 5 are metalized vias. The metallized through holes penetrate through the substrate 1 and are electrically connected with the corresponding antenna radiation unit elements on the two surfaces of the substrate 1 respectively. In this embodiment, the first antenna radiating element 211 and the third antenna radiating element 221 are electrically connected through the via hole 5, and the fourth antenna radiating element 311 and the sixth antenna radiating element 321 are electrically connected through the via hole 5.
When the laminated antenna includes the multilayer substrate 1, a plurality of antenna radiation element elements of one antenna radiation element are provided separately on the surface of the substrate 1 of different layers. Namely: at least two antenna radiation unit elements in the plurality of antenna radiation unit elements are stacked on the surface of the substrate 1 in different layers or on different surfaces of the substrate 1 in one layer; and, the antenna radiation unit component that the range upon range of setting is at least partly just to setting up and electrically connect through-hole 5.
Preferably, when the laminated antenna comprises the multilayer substrate 1, each layer of substrate 1 in the multilayer substrate 1 can be a single-sided copper-clad plate or a double-sided copper-clad plate, and can be specifically set according to actual requirements.
In an embodiment, as shown in fig. 2, each antenna radiation unit only includes two layers of antenna radiation unit element groups, and the two layers of antenna radiation unit element groups are respectively disposed on two surfaces of the one-layer substrate 1, and each antenna radiation unit element group includes one or two antenna radiation unit elements. Preferably, in other embodiments, each antenna radiation element in the present invention may comprise three or more layers of antenna radiation element groups, wherein each antenna radiation element group comprises one or more antenna radiation element elements. Meanwhile, at least two antenna radiation unit elements in the antenna radiation unit element group arranged in the adjacent layer are at least partially arranged oppositely and are electrically connected through the through hole 5. The multi-layer antenna radiation element groups are respectively arranged on the corresponding surfaces of different substrates 1.
The utility model discloses a with a plurality of antenna radiation unit components of antenna radiation unit split one-tenth to with the range upon range of setting of partial antenna radiation unit component among a plurality of antenna radiation unit components, can be with the plane space greatly reduced of the shared base plate 1 of antenna radiation unit on being in a plane, the current situation that the installation space that adapts to current terminal equipment reserves for the antenna is littleer and smaller.
Meanwhile, the occupied plane space of each antenna radiation unit on the substrate 1 is reduced, so that the spacing distance among the antenna radiation units on the substrate 1 is relatively increased, and the isolation of different antenna radiation units in the laminated antenna is improved.
Preferably, the substrate 1 in the present invention is a flexible substrate.
Through the utility model discloses locate base plate 1 with the mode that the stromatolite set up the antenna on the surface, replace the principle in plane space with high space promptly for locate the shared plane space of every antenna radiation unit on base plate 1 and reduce greatly, satisfy among the prior art because the terminal equipment reserves the demand for the space of antenna is littleer and more less. That is, under the condition that the occupied space of the antenna is limited, the size of the antenna can be increased by the overlapping method provided by the utility model, and the performance of the antenna is improved; meanwhile, the planar space occupied by each antenna radiation unit on the substrate 1 is reduced, so that the spacing distance among the plurality of antenna radiation units is relatively increased, and the isolation of the antenna is improved.
The utility model discloses structure, the type to antenna radiation unit on base plate 1 do not all do specific restriction, for example antenna radiation unit can be the high frequency, also can be the low frequency, the utility model discloses only form a plurality of antenna radiation unit components with the antenna radiation unit split, then range upon range of in proper order about with a plurality of antenna radiation unit components and locate base plate 1 on the surface to a plurality of antenna radiation unit component electric connection with different layers can.
Preferably, the utility model discloses still specifically give the test curve to antenna performance, return loss and isolation of the stromatolite antenna that this embodiment provided. Fig. 3 is a return loss comparison graph of the first antenna radiating element in the laminated antenna and the first antenna radiating element in the conventional antenna provided by the present invention. Wherein, the curve S11 in fig. 3 represents the return loss of the first antenna radiating element of the laminated antenna provided by the present invention, and the curve S12 represents the return loss of the first antenna radiating element in the conventional antenna. As can be seen from the curves S11 and S12 in fig. 3, the return loss of the first antenna element in the laminated antenna of the present invention is equivalent to the return loss performance of the conventional first antenna element.
Fig. 4 shows a graph comparing the efficiency of the first antenna radiating element in the stacked antenna provided by the present invention with that of the conventional antenna. Wherein, the curve S13 in fig. 4 represents the efficiency of the first antenna radiating element in the laminated antenna provided by the present invention, and the curve S14 represents the efficiency of the first antenna radiating element in the conventional antenna. As can be seen from the curves S13 and S14 in fig. 4, the efficiency of the first antenna radiating element in the laminated antenna board provided by the present invention is relatively high.
Similarly, as shown in fig. 5 to 6, curves S21 and S22 respectively represent the return loss of the second antenna radiation unit in the stacked antenna and the return loss of the second antenna radiation unit in the conventional antenna provided by the present invention; curves S23 and S24 show the efficiency of the second antenna radiating element in the stacked antenna and the efficiency of the second antenna radiating element in the conventional antenna, respectively. As can be seen from fig. 5-6, the return loss and efficiency of the second antenna radiating element in the stacked antenna provided by the present invention have the same performance as those of the second antenna radiating element in the conventional antenna.
Fig. 7 is a graph showing the isolation between the first antenna radiating element and the second antenna radiating element in the laminated antenna according to the present invention and the isolation between the first antenna radiating element and the second antenna radiating element in the conventional antenna. Wherein, the curve S15 in fig. 7 represents the isolation between the first antenna radiating element and the second antenna radiating element in the stacked antenna provided by the present invention, and the curve S25 represents the isolation between the first antenna radiating element and the second antenna radiating element in the conventional antenna. As can be seen from the curves S15 and S25 of fig. 7, the isolation between the first antenna radiating element and the second antenna radiating element in the stacked antenna is relatively higher.
Example two
Based on embodiment one, the utility model also provides embodiment two, a terminal equipment, this terminal equipment includes like embodiment one provides a stromatolite antenna.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (8)

1. A laminated antenna, characterized in that the laminated antenna comprises a substrate, one or more antenna radiating elements and a feed part for feeding the one or more antenna radiating elements; each antenna radiation unit comprises a plurality of antenna radiation unit elements, and at least two antenna radiation unit elements in the plurality of antenna radiation unit elements are arranged on different surfaces of the substrate in an up-down stacked mode; the feed part is arranged on the substrate and is electrically connected with each antenna radiation unit; the antenna radiation unit elements are electrically connected with each other.
2. A laminated antenna according to claim 1, wherein the antenna radiating element elements in the laminated arrangement are at least partially diametrically opposed.
3. A laminated antenna according to claim 2, wherein at least some of the oppositely disposed antenna radiating element elements are electrically connected by metallized vias.
4. The laminated antenna of claim 1, wherein the laminated antenna comprises one or more of the substrate; when the laminated antenna comprises a layer of the substrate, the plurality of antenna radiation element elements of each antenna radiation element are respectively arranged on two surfaces of the substrate; when the laminated antenna is a multilayer substrate, the plurality of antenna radiation element elements of each antenna radiation element are respectively arranged on different surfaces of the multilayer substrate.
5. The laminated antenna according to claim 4, wherein when the laminated antenna comprises a multi-layer substrate, the multi-layer substrate is laminated by pressing.
6. The laminated antenna of claim 1, wherein said substrate is a flexible substrate.
7. The laminated antenna according to claim 3, wherein when the laminated antenna comprises a plurality of layers of substrates, each layer of substrate is a single-sided copper-clad substrate or a double-sided copper-clad substrate.
8. A terminal device, characterized in that the terminal device comprises a laminated antenna according to any of claims 1-7.
CN202021358511.8U 2020-07-10 2020-07-10 Laminated antenna and terminal equipment Active CN213460090U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202021358511.8U CN213460090U (en) 2020-07-10 2020-07-10 Laminated antenna and terminal equipment
PCT/CN2020/102728 WO2022006986A1 (en) 2020-07-10 2020-07-17 Laminated antenna and terminal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021358511.8U CN213460090U (en) 2020-07-10 2020-07-10 Laminated antenna and terminal equipment

Publications (1)

Publication Number Publication Date
CN213460090U true CN213460090U (en) 2021-06-15

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Application Number Title Priority Date Filing Date
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WO (1) WO2022006986A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112310641A (en) * 2020-09-02 2021-02-02 瑞声新能源发展(常州)有限公司科教城分公司 Antenna module and terminal equipment applying same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6121932A (en) * 1998-11-03 2000-09-19 Motorola, Inc. Microstrip antenna and method of forming same
US6727855B1 (en) * 2002-11-21 2004-04-27 The United States Of America As Represented By The Secretary Of The Army Folded multilayer electrically small microstrip antenna
CN100359755C (en) * 2003-09-26 2008-01-02 富士康(昆山)电脑接插件有限公司 Plane reverse F-shape antenna and its mfg method
ATE534164T1 (en) * 2007-08-23 2011-12-15 Research In Motion Ltd MULTI-BAND ANTENNA ARRANGEMENT ARRANGE ON A THREE-DIMENSIONAL SUBSTRATE
CN202094283U (en) * 2011-05-11 2011-12-28 国基电子(上海)有限公司 Multilayer antenna
CN110797633A (en) * 2018-08-03 2020-02-14 东莞市新盛电子有限公司 WiFi dual-frequency antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112310641A (en) * 2020-09-02 2021-02-02 瑞声新能源发展(常州)有限公司科教城分公司 Antenna module and terminal equipment applying same

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