CN207069054U - Antenna assembly and electronic equipment - Google Patents

Abstract

It the utility model is related to antenna assembly and electronic equipment.The antenna assembly is characterised by including inverted F shaped antenna, the inverted F shaped antenna includes the feed branch electrically connected with distributing point, the short circuit branch electrically connected with the first place and antenna body, wherein, the antenna body includes the Part I between the feed branch and the short circuit branch, and the feed branch, the short circuit branch and the Part I form loop aerial；Wherein, the feed branch and at least one of the short circuit branch have the Part II relative with the Part I, and the Part I and the Part II form radiating slot to produce gap radiation.A technical problem to be solved in the utility model is how to improve the performance of antenna assembly.A purposes of the present utility model is to be used for electronic equipment.

Description

Antenna assembly and electronic equipment

Technical field

Antenna technical field is the utility model is related to, more specifically, the utility model is related to a kind of antenna assembly and electronics Equipment.

Background technology

With developing rapidly for wireless communication technique, the electronic equipment of such as intelligent terminal has also obtained very big hair Exhibition.Generally, intelligent terminal needs to support multiple working frequency range simultaneously.

In the prior art, inverted F shaped antenna (IFA) can be used in the electronic device.Inverted F shaped antenna can be by interior plant In electronic equipment, to meet the small form factor requirements of electronic equipment.Fig. 1 shows a kind of schematic diagram of inverted F shaped antenna.Such as Fig. 1 institutes Show, inverted F shaped antenna is set on circuit board 1.Inverted F shaped antenna includes feed branch 2, short circuit branch 3, antenna body 4.

Loop aerial is another conventional antenna structure.Loop aerial is to form the day that the conductor in a loop is formed Line.Loop aerial can have it is variously-shaped, for example, circle, triangle, rectangle etc..Fig. 2 shows an example of loop aerial Son, for example, the loop aerial 5 of rectangle.

In the electronic device, the combination of traditional inverted F shaped antenna and parasitic element or the group of loop aerial and parasitic element Conjunction covers number of frequency bands and is sometimes difficult to meet demand.In addition, the electronic equipment of such as intelligent terminal becomes less and less Type.This make it that the space of antenna is also less and less.In the electronic equipment of miniaturization, limited antenna headroom area is mainly used in Ensure the resonance characteristic of antenna low frequency, this further restricts the performance of multiband aerial.

For example, electronic equipment is smart camera (Smart Camera).Smart camera is a kind of the small of Highgrade integration Type NI Vision Builder for Automated Inspection.The collection, processing and communication function of image are integrated in single camera by it, so as to provide with more Function, modularization, high reliability, the machine vision solution being easily achieved.Network communication device is the important of smart camera Part, mainly complete control information, the communication task of view data.Smart camera generally built-in ethernet communication dress Put, and support multiple standards network and bus protocol, so that more smart cameras form bigger NI Vision Builder for Automated Inspection.

Therefore, to propose that a kind of new departure for antenna is of the prior art at least one to solve in the prior art Technical problem.

Utility model content

A purpose of the present utility model is to provide a kind of new antenna assembly.

According to one side of the present utility model, there is provided a kind of antenna assembly, including inverted F shaped antenna, the inverted F shaped antenna bag The feed branch electrically connected with distributing point, the short circuit branch electrically connected with the first place and antenna body are included, wherein, the antenna Body includes the Part I between the feed branch and the short circuit branch, the feed branch, the short circuit point Branch and the Part I form loop aerial；Wherein, the feed branch and at least one of the short circuit branch have institute The relative Part II of Part I is stated, the Part I and the Part II form radiating slot to produce gap spoke Penetrate.

Preferably, the short circuit branch has the Part II, and at least a portion of the Part II and institute It is parallel to state Part I.

Preferably, the antenna body of the inverted F shaped antenna forms the first low-frequency resonant branch of the antenna assembly, described Loop aerial forms the second low-frequency resonant branch of the antenna assembly, and the radiating slot forms the antenna assembly First high-frequency resonant branch.

Preferably, the antenna body takes the shape of the letter U, wherein, the U-shaped includes the first branch and the second branch, and described first Part is in the first branch of the U-shaped, and first branch is connected by the Part I with the feed branch, The second branch open circuit of the U-shaped.

Preferably, the antenna assembly also includes the second high-frequency resonant branch, one end of the second high-frequency resonant branch Be connected to the feed branch, and the second high-frequency resonant branch the other end extend to the U-shaped Liang Ge branches it Between.

Preferably, the antenna assembly also includes parasitic element, wherein, one end of the parasitic element and the second place electricity Connection, and other end open circuit.

Preferably, the frequency range of the antenna assembly include LTE Band1, LTE Band2, LTE Band3, LTE Band4, LTE Band5、LTE Band7、LTE Band12、LTE Band13。

According to other side of the present utility model, there is provided a kind of electronic equipment, including the antenna assembly according to embodiment.

Preferably, the electronic equipment is smart camera.

One of the present utility model has technical effect that, can improve the performance of antenna.

It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model Feature and its advantage will be made apparent from.

Brief description of the drawings

The accompanying drawing of a part for constitution instruction describes embodiment of the present utility model, and uses together with the description In explanation principle of the present utility model.

Fig. 1 is the schematic diagram of inverted F shaped antenna.

Fig. 2 is the schematic diagram of loop aerial.

Fig. 3 is the schematic diagram according to the antenna assembly of one embodiment.

Fig. 4 is the schematic diagram for the electronic equipment that can use the antenna assembly according to one embodiment.

Fig. 5 is the schematic diagram according to the echoing characteristics of the antenna assembly of one embodiment.

Fig. 6 is the schematic diagram of the echoing characteristics of the antenna assembly of prior art.

Fig. 7 is the schematic diagram of the efficiency of the antenna assembly according to the antenna assembly of one embodiment and prior art.

Embodiment

Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited The scope of the utility model processed.

The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below New and its application or any restrictions used.

It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation Under, the technology and equipment should be considered as part for specification.

In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.

Below, describe with reference to the accompanying drawings according to embodiment of the present utility model and example.

Fig. 3 is the schematic diagram according to the antenna assembly of one embodiment.

As shown in figure 3, the antenna assembly includes inverted F shaped antenna.The inverted F shaped antenna includes feed branch 102, short circuit branch 104 and antenna body 105.For example, feed branch 102 electrically connects with distributing point, and the place 101 of short circuit branch 104 and first Electrical connection.

Antenna body 105 includes the Part I 109 between feed branch 102 and short circuit branch 104.Such as Fig. 3 institutes Show, feed branch 102, short circuit branch 104 and Part I 109 form loop aerial.As, feed branch 102 and first Divide 109 one end connection, short circuit branch 104 is connected with the other end of Part I 109, forms loop aerial.

In addition, feed branch 102 and at least one Part II relative with Part I 109 of short circuit branch 104 108.Part I 109 and Part II 108 form radiating slot to produce gap radiation.Alternatively, short circuit branch 104 has Part II 108, and at least a portion of Part II 108 are parallel with Part I 109, and are separated with gap, to be formed Radiating slot, as shown in Figure 3.

It should be noted that it will be appreciated by those skilled in the art that according to the design needs, Part II 108 can be located at Feed branch 102.In this case, feed branch 102 can have the part parallel with Part I 109.

Here, the antenna body 105 of inverted F shaped antenna can be used for the first low-frequency resonant branch to form antenna assembly.Ring Second low-frequency resonant branch of the shape dwi hastasana into antenna assembly.Radiating slot forms the first high-frequency resonant branch of antenna assembly. As previously described, at least part of of inverted F shaped antenna, loop aerial and slot antenna is overlapped (for example, Part I 109).This mode can save Antenna Design space, improve the utilization ratio of antenna.

In the utility model, on the basis of inverted F shaped antenna, by using feed branch, short circuit branch and antenna sheet The bodily form circularizes antenna, adds the resonance band of antenna.In addition, using between feed branch or short circuit branch and antenna body Gap form gap radiation, further increase the resonance band of antenna.

Furthermore, it is possible to adjust loop aerial by adjusting ground connection branch or the link position of feed branch and antenna body Resonant frequency.The resonant frequency of gap radiation can be adjusted by adjusting the spacing between branch and antenna body.This two Kind adjustment is relatively independent, can facilitate design work of the designer to antenna.

As shown in figure 3, antenna body 105 takes the shape of the letter U.U-shaped includes the first branch and the second branch 110, Part I 109 In in the first branch of U-shaped, and the first branch is connected by Part I 109 with feed branch 102, the second branch 110 of U-shaped Open circuit.As one end of U-shaped is connected with feed branch 102, the other end open circuit of U-shaped.

Further, as shown in figure 3, antenna assembly also includes the second high-frequency resonant branch 106.Second high-frequency resonant branch 106 one end is connected to feed branch 102.The other end of second high-frequency resonant branch 106 extend to U-shaped Liang Ge branches it Between.In this way, the resonance band of antenna assembly can in the confined space of original inverted F shaped antenna, be increased.

Further, as shown in figure 3, antenna assembly can also include parasitic element 107.One end of parasitic element 107 with Second place 103 electrically connects, and other end open circuit.As shown in figure 3, the second place 103 can be arranged on and the first place 101 positions arranged side by side, wherein, distributing point can be sandwiched between the two places.In figure 3, parasitic element 107 is positioned at feed The right side of branch 102, its each antenna branch with left side interact, and produce parasitic radiation.

For example, the frequency range of antenna assembly can include LTE Band1, LTE Band2, LTE Band3, LTE Band4, LTE Band5、LTE Band7、LTE Band12、LTE Band13。

In the fig. 3 embodiment, in antenna assembly, inverted F shaped antenna and loop aerial are combined, so as to improve day The performance of line.Antenna can be built in the electronic device, and take less space.Relative to the reversed F-typed day of prior art Line, broader bandwidth and/or higher efficiency can be had according to the antenna of above-described embodiment.

Fig. 4 shows the schematic diagram for the electronic equipment 200 that can apply said antenna device.As shown in figure 4, for setting The empty regions of antenna assembly can include bottom surface 201, facade 202, the part of side 203 3.For example, the day in Fig. 3 is traditional thread binding Putting to be arranged in empty regions.

Above-mentioned electronic equipment can be mobile phone, tablet personal computer etc..Preferably, the electronic equipment is smart camera.For example, The length 102mm of the smart camera, width 55mm, height 16mm.The size of the bottom surface 201 is 47mm*5mm, facade 202 Size be 47mm*10mm, the size of side 203 is 10mm*5mm.Antenna assembly shown in Fig. 3 can be arranged on such In space.

Below, reference picture 5-7 illustrates the characteristic of the antenna assembly according to above-described embodiment.For example, according to the utility model Antenna assembly there is structure as shown in Figure 3.It has 1 antenna feed point, 2 places, 2 lower frequency radiating branch, 3 height Radio-frequency radiation branch.Compared with the antenna assembly of prior art, antenna assembly of the present utility model is have loop aerial reversed F-typed Antenna.

Fig. 5 is the schematic diagram according to the echoing characteristics of the antenna assembly of above-described embodiment.Fig. 6 is that the day of prior art is traditional thread binding The schematic diagram for the echoing characteristics put.As shown in Figure 5,5 resonance can be produced according to antenna assembly of the present utility model, and by scheming 6 understand, the antenna assembly of prior art produces 3 resonance.

Antenna assembly of the present utility model can produce two resonance at low frequency.The two resonance can cover LTE Band5, LTE Band12, LTE Band13 frequency ranges.The antenna assembly of prior art produces a resonance only at low frequency, and it is logical LTE Band5 frequency ranges can not often be covered.

Antenna assembly of the present utility model can produce three resonance in high frequency treatment.These three resonance can cover LTE Band1, LTE Band2, LTE Band3, LTE Band4, LTE Band7 frequency ranges.The antenna assembly of prior art is only in high frequency Place produces two resonance, and they generally can not cover LTE Band7 frequency ranges.

Fig. 7 shows the schematic diagram of the efficiency of above-mentioned antenna assembly of the present utility model and the antenna assembly of prior art. In the figure 7, solid line represents the efficiency of antenna assembly of the present utility model, and dotted line represents the efficiency of the antenna assembly of prior art.

Following table lists the efficiency of antenna assembly of the present utility model and the antenna assembly of prior art.

It is can be seen that from Fig. 7 and upper table in the case of similar set, the efficiency high of antenna assembly of the present utility model In the efficiency of the antenna assembly of prior art.

Although some specific embodiments of the present utility model are described in detail by example, this area It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example Modify.The scope of the utility model is defined by the following claims.

Claims (9)

1. a kind of antenna assembly, it is characterised in that including inverted F shaped antenna, the inverted F shaped antenna includes the feedback electrically connected with distributing point Electric branch, the short circuit branch electrically connected with the first place and antenna body,

Wherein, the antenna body includes the Part I between the feed branch and the short circuit branch, the feedback Electric branch, the short circuit branch and the Part I form loop aerial；

Wherein, the feed branch and at least one of the short circuit branch have second relative with the Part I Point, the Part I and the Part II form radiating slot to produce gap radiation.

2. antenna assembly according to claim 1, it is characterised in that the short circuit branch has the Part II, with And at least a portion of the Part II is parallel with the Part I.

3. antenna assembly according to claim 1 or 2, it is characterised in that the antenna body of the inverted F shaped antenna forms institute The first low-frequency resonant branch of antenna assembly is stated, the loop aerial forms the second low-frequency resonant branch of the antenna assembly, And the radiating slot forms the first high-frequency resonant branch of the antenna assembly.

4. antenna assembly according to claim 1 or 2, it is characterised in that the antenna body takes the shape of the letter U, wherein, the U Shape includes the first branch and the second branch, and the Part I is located in the first branch of the U-shaped, and first branch leads to Cross the Part I to be connected with the feed branch, the second branch open circuit of the U-shaped.

5. antenna assembly according to claim 4, it is characterised in that also including the second high-frequency resonant branch, described second One end of high-frequency resonant branch is connected to the feed branch, and the other end of the second high-frequency resonant branch extends to the U Between the Liang Ge branches of shape.

6. antenna assembly according to claim 1 or 2, it is characterised in that also including parasitic element, wherein, the parasitism One end of unit electrically connects with the second place, and other end open circuit.

7. antenna assembly according to claim 1 or 2, it is characterised in that the frequency range of the antenna assembly includes LTE Band1、LTE Band2、LTE Band3、LTE Band4、LTE Band5、LTE Band7、LTE Band12、LTE Band13。

8. a kind of electronic equipment, it is characterised in that including the antenna assembly according to claim any one of 1-7.

9. electronic equipment according to claim 8, it is characterised in that the electronic equipment is smart camera.