CN210015963U - Antenna and electronic equipment - Google Patents
Antenna and electronic equipment Download PDFInfo
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- CN210015963U CN210015963U CN201921191182.XU CN201921191182U CN210015963U CN 210015963 U CN210015963 U CN 210015963U CN 201921191182 U CN201921191182 U CN 201921191182U CN 210015963 U CN210015963 U CN 210015963U
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Abstract
The embodiment of the utility model provides an antenna and electronic equipment, the antenna includes the antenna body, the antenna body includes: a first radiation terminal; the feeding terminal is connected with the electronic equipment, at least part of the feeding terminal corresponds to the first radiation terminal in position and is provided with a gap, so that the feeding terminal can be coupled with the first radiation terminal to form electromagnetic radiation waves of a required frequency band based on electric signals output by the electronic equipment; and at least part of the grounding terminals are connected with the first radiation terminal, and when the antenna body is fixed on an electronic device with a metal shell, the grounding terminals are connected with the metal shell so as to at least derive noise waves generated when the first radiation terminal is coupled and improve the radiation efficiency of the first radiation terminal. The utility model discloses antenna structure is simple, the size is small and exquisite, and can be applied to and realize the high-efficient stable receiving and dispatching of signal on the electronic equipment that has metal casing.
Description
Technical Field
The embodiment of the utility model provides an antenna field is related to, in particular to antenna and have electronic equipment of this antenna.
Background
At present, with the miniaturization of electronic devices, for example, the popularity of small desktop computers, many small electronic devices also begin to use wireless communication, and the arrangement of antennas is indispensable. At present, for an electronic device having a plastic housing, the antenna is easy to be installed and designed, and the effect is usually better. However, in the case of an electronic device having a metal housing, especially an all-metal housing, the design of the antenna on the electronic device is very challenging because the metal housing can have a severe impact on the performance of the antenna. In order to solve the technical problem, the existing design mode is to reserve a large square signal radiation window at the antenna installation part of the metal shell, and install the antenna in a mode of externally arranging the radiation window and unilateral grounding, so that the communication effect of the final antenna is not ideal, and the integral aesthetic degree of the electronic equipment is poor.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a simple structure, size are small and exquisite, and can be applied to the antenna that realizes the high-efficient stable receiving and dispatching of signal on the electronic equipment who has metal casing, and have the electronic equipment of this antenna.
In order to solve the technical problem, an embodiment of the utility model provides an antenna, which comprises a body, the antenna body includes:
a first radiation terminal;
the feeding terminal is connected with the electronic equipment, at least part of the feeding terminal corresponds to the first radiation terminal in position and is provided with a gap, so that the feeding terminal can be coupled with the first radiation terminal to form electromagnetic radiation waves of a required frequency band based on electric signals output by the electronic equipment; and
when the antenna body is fixed on an electronic device with a metal shell, the grounding terminal is connected with the metal shell so as to at least derive noise waves generated when the first radiation terminal is coupled, and the radiation efficiency of the first radiation terminal is improved.
Preferably, the antenna body further includes a second radiation terminal, and a part of the feed terminal corresponds to the first radiation terminal in position and can be coupled with each other, and another part corresponds to the second radiation terminal in position and can be coupled with each other;
the first radiation terminal and the second radiation terminal are respectively the same as or different from the frequency band of the electromagnetic radiation wave coupled out by the feed terminal.
Preferably, the plurality of ground terminals includes at least a first ground terminal connected to the first radiation terminal, a second ground terminal connected to the second radiation terminal, and a third ground terminal connected to the first ground terminal and the second ground terminal, respectively.
Preferably, one end of the first radiation terminal and one end of the second radiation terminal are arranged at an interval, the first ground terminal and the second ground terminal are respectively connected with the end of the first radiation terminal, which is away from the end of the second radiation terminal, the two ends of the third ground terminal are respectively connected with the first ground terminal and the second ground terminal, and are matched with the first radiation terminal, the second radiation terminal, the first ground terminal and the second ground terminal to form a limit frame, and the feed terminal is located in the limit frame and has a gap with each side of the limit frame.
Preferably, the first and second radiation terminals and the power supply terminal are plate-shaped and arranged coplanar.
Preferably, the ground terminal has a plate shape.
Preferably, the antenna further includes an insulating carrier, and at least the first radiation terminal, the second radiation terminal, and the feed terminal are fixed to the insulating carrier.
An embodiment of the utility model provides an electronic equipment simultaneously, including metal casing, still include like foretell antenna, radiation window has been seted up on the metal casing, the antenna is located radiation window department.
Based on the disclosure of above-mentioned embodiment can know, the beneficial effects of the embodiment of the utility model reside in that through setting up a plurality of not only can be connected nearby with each radiation terminal, the ground terminal that can also be connected with electronic equipment's metal casing simultaneously, make the utility model provides an in the time of the antenna is applied to electronic equipment on, not only can improve the integrality of electric current when flowing in the resonant circuit by each radiation terminal, ground terminal and feed terminal formation, reduce the loss, moreover can effectively radiate out each radiation terminal and be with feed terminal coupling, or the clutter that produces when coupling with metal casing, improve the radiation efficiency of each radiation terminal to the electromagnetic wave of required frequency channel.
Drawings
Fig. 1 is a schematic structural diagram of an antenna in an embodiment of the present invention.
Fig. 2 is a Smith chart of an antenna in an embodiment of the present invention when applied.
1-a first radiating terminal; 2-a feed terminal; 3-a second radiating terminal; 4-a first ground terminal; 5-a second ground terminal; 6-a third ground terminal; 7-a metal housing; 8-an insulating carrier; 9-radio frequency coaxial cable.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but not intended to limit the invention thereto.
It will be understood that various modifications may be made to the embodiments disclosed herein. The following description is, therefore, not to be taken in a limiting sense, but is made merely as an exemplification of embodiments. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.
These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It is also understood that, although the present invention has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the invention, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present disclosure will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present disclosure are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely examples of the disclosure that may be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as not to obscure the present disclosure with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of the present invention provides an antenna, which includes a body, i.e. an antenna body, the antenna body includes:
a first radiation terminal 1;
a feeding terminal 2 connected to the electronic device, wherein the feeding terminal 2 at least partially corresponds to the first radiation terminal 1 and has a gap, so that the feeding terminal 2 can be coupled with the first radiation terminal 1 to form an electromagnetic radiation wave of a desired frequency band based on an electrical signal output by the electronic device; and
a plurality of ground terminals, its at least partial ground terminal all links to each other with first radiation terminal 1, and when the antenna body was fixed on the electronic equipment that has metal casing 7, ground terminal all was connected with metal casing 7 to derive the clutter that produces when first radiation terminal 1 couples at least, improve the radiation efficiency of first radiation terminal 1.
The utility model discloses beneficial effect lies in through setting up a plurality of not only can be connected with first radiation terminal 1 is with regard to near, can also be simultaneously with the ground terminal that electronic equipment's metal casing 7 is connected, make in the utility model discloses an antenna is applied to and has metal casing 7, when even on the electronic equipment of full metal casing 7, not only can improve the integrality of electric current when flowing in the resonant circuit that is formed by first radiation terminal 1, ground terminal and feed terminal 2, the reduction loss, and can effectively produce the clutter that the coupling produced often through metal casing 7 and radiation out first radiation terminal 1 with feed terminal 2 coupling, or between first radiation terminal 1 and metal casing 7 to the radiation efficiency of the electromagnetic wave of first radiation terminal 1 to required frequency channel has effectively been improved. That is, the overall operational capability of the antenna is improved.
Further, as shown in fig. 1, the antenna body in the embodiment of the present invention further includes a second radiation terminal 3, one portion of the feed terminal 2 corresponds to the first radiation terminal 1 and can be coupled to each other, and the other portion corresponds to the second radiation terminal 3 and also has a gap with the second radiation terminal 3, so as to be coupled to each other and generate an electromagnetic radiation wave in a certain frequency band. The first and second radiation terminals 1 and 3 may have the same or different structural shapes and radiation areas, and when they are the same, they generate electromagnetic radiation waves of the same frequency band when coupled to the feeding terminal 2, and when they are different, they generate electromagnetic radiation waves of different frequency bands when coupled to the feeding terminal 2.
For example, as shown in fig. 1, the first radiation terminal 1 in the present embodiment includes a first rectangular portion and a second rectangular portion connected to each other to form an L-like shape, and the second terminal also includes the first rectangular portion and the second rectangular portion connected to each other to form an inverted L-like shape. As can be seen from the figure, the first radiation terminal 1 and the second radiation terminal 3 have substantially similar structures, but the arrangement orientation, area, length, etc. of the rectangular portions are significantly different. The first radiation terminal 1 has a long overall length and a large area, and is used for coupling electromagnetic radiation waves of a 2.4G frequency band with the feed terminal 2. The second radiation terminal 3 is short in overall length and relatively small in area, and is used for coupling out electromagnetic radiation waves in the 5G frequency band with the feed terminal 2. The wavelength of the electromagnetic radiation wave of different frequency bands is different, and the structural shape and the area of the radiation terminal corresponding to the wavelength are also different, and the wavelength can be determined by means of simulation experiments and the like.
Further, the plurality of ground terminals in the present embodiment includes at least a first ground terminal 4 connected to the first radiation terminal 1, a second ground terminal 5 connected to the second radiation terminal 3, and a third ground terminal 6 connected to the first ground terminal 4 and the second ground terminal 5, respectively. Of course, each radiation terminal may also be connected to multiple ground terminals at the same time, and specifically, the length, area, and the like of the connected ground terminals may be determined, as long as the connected ground terminals and the corresponding radiation terminals can form a complete current loop, and it is ensured that almost all the electric energy generated by the current can be converted into electromagnetic waves.
Further, as shown in fig. 1, in this embodiment, one end of the first radiation terminal 1 and one end of the second radiation terminal 3 are disposed at an interval, the first ground terminal 4 and the second ground terminal 5 are respectively connected to ends of the first radiation terminal 1 and the second radiation terminal 3, which are away from each other, and two ends of the third ground terminal 6 respectively extend in the direction of the first ground terminal 4 and the second terminal and are correspondingly connected to the first ground terminal 4 and the second ground terminal 5. At this time, the third ground terminal 6, the first radiation terminal 1, the second radiation terminal 3, the first ground terminal 4, and the second ground terminal 5 cooperate to form a limit frame with an approximate rectangular shape, and the feed terminal 2 is located in the limit frame and has a gap with each side of the limit frame. That is, the power supply terminal 2 is not connected to any of the radiation terminals and the ground terminal, but is connected only to the electronic device.
Specifically, the electronic device in the present embodiment is connected to the feeding terminal 2 through the radio frequency coaxial cable 9 for supplying an electric signal to the feeding terminal 2. The first radiation terminal 1, the second radiation terminal 3, the power feed terminal 2, and the ground terminal are all plate-shaped, for example, all copper foil plates, and the terminals are arranged in a coplanar manner. The ground terminal can change its orientation according to the structure of the metal shell of the electronic device, so as to facilitate connection, that is, the ground terminal can be in non-coplanar relationship with other terminals. Preferably, the antenna in this embodiment further includes an insulating carrier 8, which may be a plastic board, wherein at least the first radiation terminal 1, the second radiation terminal 3 and the feeding terminal 2 are fixed on the insulating carrier 8, so that the terminals can be connected to form a whole, thereby facilitating subsequent installation with electronic equipment.
During actual assembly, a small rectangular radiation window can be formed in the metal shell 7 of the electronic device, and the size of the small rectangular radiation window can be, for example, 11mm wide and 28mm long, and specific numerical values are not unique. Then, the antenna body prepared in advance is placed in the radiation window, meanwhile, all grounding terminals of the antenna body are respectively welded on the metal shell 7 close to the radiation window, and finally, a radio frequency coaxial cable 9 with one end connected with a controller of electronic equipment is welded on the feed terminal 2 of the antenna body, so that the antenna body can be installed. After the antenna body is installed, gaps are formed between the radiation terminals and the metal shell 7, namely, the radiation terminals are not in contact with each other, only the insulating carrier 8 is clamped in the radiation window and almost coplanar with the radiation window, and the whole effect is attractive. In addition, the antenna body in the embodiment is small and exquisite as a whole, so that a large radiation window does not need to be formed in the metal shell 7, and the overall structural strength of the metal shell 7 is ensured.
When the electronic device equipped with the antenna in the present embodiment transmits signals, the energy of the antenna is not coupled to the upper surface of the metal housing 7 and cannot be radiated, but can be radiated almost entirely by electromagnetic waves of a fixed frequency band, and the radiation efficiency is significantly improved compared with the antenna in the prior art. In addition, as can be seen from the Smith chart shown in fig. 2, when the antenna in the embodiment radiates electromagnetic waves, the central frequency point of the antenna can be just located on the central circular point of the Smith chart, and the overall impedance of the antenna is matched, so that the radiation efficiency can be effectively ensured.
The embodiment of the utility model provides an electronic equipment is still provided, including metal casing 7, still include as above the antenna, wherein, seted up radiation window on the metal casing 7, this radiation window department is located to the antenna.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (8)
1. An antenna comprising an antenna body, wherein the antenna body comprises:
a first radiation terminal;
the feeding terminal is connected with the electronic equipment, at least part of the feeding terminal corresponds to the first radiation terminal in position and is provided with a gap, so that the feeding terminal can be coupled with the first radiation terminal to form electromagnetic radiation waves of a required frequency band based on electric signals output by the electronic equipment; and
when the antenna body is fixed on an electronic device with a metal shell, the grounding terminal is connected with the metal shell so as to at least derive noise waves generated when the first radiation terminal is coupled, and the radiation efficiency of the first radiation terminal is improved.
2. The antenna of claim 1, wherein the antenna body further comprises a second radiation terminal, and the feed terminal has a portion corresponding to the first radiation terminal and capable of being coupled to each other, and another portion corresponding to the second radiation terminal and capable of being coupled to each other;
the first radiation terminal and the second radiation terminal are respectively the same as or different from the frequency band of the electromagnetic radiation wave coupled out by the feed terminal.
3. The antenna according to claim 2, wherein the plurality of ground terminals include at least a first ground terminal connected to the first radiation terminal, a second ground terminal connected to the second radiation terminal, and a third ground terminal connected to the first ground terminal and the second ground terminal, respectively.
4. The antenna according to claim 3, wherein one end of the first radiation terminal and one end of the second radiation terminal are disposed at an interval, the first ground terminal and the second ground terminal are respectively connected to ends of the first radiation terminal and the second radiation terminal, which are away from each other, two ends of the third ground terminal are respectively connected to the first ground terminal and the second ground terminal, and cooperate with the first radiation terminal, the second radiation terminal, the first ground terminal, and the second ground terminal to form a limiting frame, and the feed terminal is located in the limiting frame and has a gap with each side of the limiting frame.
5. An antenna according to any of claims 1-4, wherein the first and second radiating terminals and the feed terminal are each plate-shaped and arranged coplanar.
6. The antenna according to any one of claims 1 to 4, wherein the ground terminal has a plate shape.
7. The antenna of claim 2, further comprising an insulative carrier, at least the first radiating terminal, the second radiating terminal, and the feed terminal being secured to the insulative carrier.
8. An electronic device comprising a metal housing, and further comprising the antenna according to any one of claims 1-7, wherein the metal housing has a radiation window formed therein, and the antenna is disposed at the radiation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921191182.XU CN210015963U (en) | 2019-07-26 | 2019-07-26 | Antenna and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921191182.XU CN210015963U (en) | 2019-07-26 | 2019-07-26 | Antenna and electronic equipment |
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| Publication Number | Publication Date |
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| CN210015963U true CN210015963U (en) | 2020-02-04 |
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| CN201921191182.XU Active CN210015963U (en) | 2019-07-26 | 2019-07-26 | Antenna and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416728A (en) * | 2019-07-26 | 2019-11-05 | 合肥联宝信息技术有限公司 | A kind of antenna and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416728A (en) * | 2019-07-26 | 2019-11-05 | 合肥联宝信息技术有限公司 | A kind of antenna and electronic equipment |
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