CN201319404Y

CN201319404Y - Miniature broadband antenna

Info

Publication number: CN201319404Y
Application number: CNU2008202034356U
Authority: CN
Inventors: 王英和
Original assignee: WIESON TECHNOLOGIES (DONGGUAN) Co Ltd
Current assignee: WIESON TECHNOLOGIES (DONGGUAN) Co Ltd
Priority date: 2008-11-14
Filing date: 2008-11-14
Publication date: 2009-09-30
Anticipated expiration: 2018-11-14

Abstract

The utility model relates to a miniature broadband antenna which comprises a base plate, at least one grounding part, at least one high band radiation part and at least one low band radiation part, wherein the grounding part is arranged on one face of the base plate for the grounding of connecting system terminals; the high band radiation part is arranged on one face of the base plate, and is corresponding to one side of the grounding part with a certain distance for shocking a plurality of high frequency response points; and the low band radiation part is arranged on the base plate, is coupled with the high band radiation part, and is used for producing low frequency response and matching with the high frequency response points of the high band radiation part to obtain required broadband features. Thereby, the size of the antenna can be greatly reduced, the bandwidth range for sending and receiving is wide, and the effect on stably receiving and sending broadband signals is realized.

Description

Microminiaturized wide frequency antenna

Technical field

The utility model relates to the wide frequency antenna art, refers in particular to a kind of microminiaturized wide frequency antenna, and it can significantly dwindle the volume of antenna, and makes the frequency range scope of its transmitting-receiving wider, and reaches the effect of stable transmitting-receiving wideband signal.

Background technology

General known wide frequency antenna, usually lie in built-in end, grounding parts, most Department of Radiation, most short circuit arm and the anti-matching part of most groups of producing stereo structure on the copper sheet with bending or relevant mode ... etc. structure, afterwards again with the coupling of the circuit board of this built-in end and large tracts of land, and constitute a wide frequency antenna (being the PI-FA antenna); By this, can utilize built-in end, grounding parts, Department of Radiation, short circuit arm and organize the cooperation of anti-matching part, and make this antenna reach the wideband effect.

Though the above-mentioned wide frequency antenna of commonly using can reach the wideband effect, this wideband only limits to a bit of fraction frequency range, causes the frequency range scope to be subjected to more restriction.Moreover, this aerial system is formed by the copper sheet and the circuit board combination of three-dimensional kenel, therefore, make this antenna area (volume) excessive, and when default when placing that required device (as: notebook computer) is inner to be used, regular meeting makes antenna be difficult for the required device of collocation and uses because remaining space is less and can't ccontaining this antenna in each device, and more can because of the position is set limited produce with required device between the problem of mutual interference is mutually arranged; So it is required that the wide frequency antenna of generally commonly using can't realisticly use.

The utility model content

In view of this, the utility model is at the disappearance of prior art existence, and its main purpose provides a kind of microminiaturized wide frequency antenna, and it can significantly dwindle the volume of antenna, and makes the frequency range scope of its transmitting-receiving wider, and reaches the effect of stable transmitting-receiving wideband signal.

For achieving the above object, the utility model adopts following technical scheme:

A kind of microminiaturized wide frequency antenna comprises

One substrate;

At least one grounding parts, this grounding parts are located on the one side of aforesaid base plate;

At least one high band Department of Radiation, this high band Department of Radiation is located on the one side of aforesaid base plate, and with suitable distance corresponding to one of aforementioned grounding parts side, to shake a plurality of high frequency response points;

At least one low-frequency range Department of Radiation, this low-frequency range Department of Radiation are located on the aforesaid base plate and with aforementioned high band Department of Radiation and are coupled, and the LF-response of its generation obtains required wideband signal to cooperate aforementioned a plurality of high frequency response point.

As a kind of preferred version, described substrate is a single layer board.

As a kind of preferred version, described substrate is the pair of lamina circuit board.

As a kind of preferred version, described grounding parts is a square.

As a kind of preferred version, described conductor is aluminium foil or Copper Foil.

As a kind of preferred version, described high band Department of Radiation is trapezoidal or polygon, and the corresponding sides of its contiguous grounding parts are connected with grounding parts by a lead, and all the other limits are the start limit of the different length of sides, to shake a plurality of high frequency response points.

As a kind of preferred version, described low-frequency range Department of Radiation is rectangle.

As a kind of preferred version, described low-frequency range Department of Radiation is located on the another side of substrate.

As a kind of preferred version, described low-frequency range Department of Radiation and high band Department of Radiation are positioned on the same one side of substrate, and are positioned at the front end of high band Department of Radiation.

As a kind of preferred version, the frequency range scope of the wideband that this high band Department of Radiation cooperation low-frequency range Department of Radiation is produced is between 824MHz～8GHz.

By this, after the utility model adopted said structure, its beneficial effect was, can significantly dwindle the volume of antenna, and makes the frequency range scope of its transmitting-receiving wider, and reached the effect of stable transmitting-receiving wideband signal.

Come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment:

Description of drawings

Fig. 1 is the front view of first kind of embodiment of the utility model;

Fig. 2 is the application state schematic diagram of first kind of embodiment of the utility model;

Fig. 3 is that the usefulness of first kind of embodiment of the utility model detects schematic diagram;

Fig. 4 is the front view of second kind of embodiment of the utility model.

The accompanying drawing identifier declaration:

1,1a,

substrate

2,2a, grounding parts

3,3a, high band Department of Radiation 31, corresponding sides

32,33,34,

start limit

4,4a, low-frequency range Department of Radiation

5, lead 6, notebook computer

61, screen

Embodiment:

Please refer to shown in Figure 1, it is the front view of first kind of embodiment of the utility model, as shown in the figure, the microminiaturized wide frequency antenna of the utility model at least by a substrate 1, a grounding parts 2, a high band width of cloth penetrates portion 3 and a low-frequency range Department of Radiation 4 is formed, and the antenna volume of the utility model is significantly dwindled.

This substrate 1 can be a single layer board or double-layer circuit board, not to exceed.

This grounding parts 2 is to be located on the one side of substrate 1, and as the usefulness of ground connection, and this grounding parts 2 is preferably square.

This high band Department of Radiation 3 is to be located on the one side of substrate 1, and with suitable distance corresponding to one of grounding parts 2 side, and this high band Department of Radiation 3 is to be trapezoidal, the corresponding sides 31 of its contiguous grounding parts 2 are to cooperate lead 5 to be connected with grounding parts 2, and its excess-three limit is the

start limit

32,33,44 of different lengthenings, is used to shake a plurality of high frequency response points.

This low-frequency range Department of Radiation 4 is to be located on the another side of substrate 1, and with 3 couplings of high band Department of Radiation, and this low-frequency range Department of Radiation 4 is the structure that is rectangle, and can and cooperate 3 more than high frequency response points of high band Department of Radiation for the generation LF-response, and obtain required wideband signal.This low-frequency range Department of Radiation 4 also can be located on the substrate 1 and with high band Department of Radiation 3 and be in one side in addition, and is arranged in the appropriate position (figure does not go out) of high-frequency radiation part 3 front ends.By this, to constitute a brand-new microminiaturized wide frequency antenna.

See also Fig. 2 and shown in Figure 3, it is respectively application state schematic diagram and the usefulness detection schematic diagram thereof of aforementioned first kind of embodiment.As shown in the figure: the utility model is when using (please cooperate simultaneously and consult Fig. 1), system can be used antenna of the utility model and required notebook computer 6, and be arranged on ora terminalis one side or two sides of notebook computer 6 adjacent screens 61, and make this grounding parts 2 can cooperate the copper foil circuit of a small size to stick aluminium foil conduction paster as conductor 21, and make this conductor 21 be attached at the relevant ground connection place (as: screen rear or other suitable positions) of notebook computer 6, and will connect high band Department of Radiation 3 and be connected (not shown) with the motherboard of notebook computer 6 with the lead 5 of grounding parts 2; And be used as the time spent is the start limit 32 that is utilized its different length of sides by high band Department of Radiation 3,33,34 shake a plurality of high frequency response points, utilize low-frequency range Department of Radiation 4 again with these high band Department of Radiation 3 couplings, and the lengthening circuit makes low-frequency range Department of Radiation 4 cooperate high band Department of Radiation 3 to produce LF-response to reach required wideband effect, the frequency range scope (as shown in Figure 3) that the antenna that makes the utility model cooperates low-frequency range Departments of Radiation 4 can produce between between 824MHz～8GHz by this high band Department of Radiation 3, and can be divided into 824MHz～960MHz at least, 2.4GHz～2.5GHz, 2.3GHz～2.7GHz, 3.3GHz～3.8GHz, 3.1GHz～4.8GHz, 4.9GHz～5.85GHz, sections such as 6GHz～8GHz, and make its variation adjust the frequency range scope of required transmitting-receiving arbitrarily according to the apparent size size, and reach the effect of stable transmitting-receiving wideband signal.

See also shown in Figure 4, it is the front view of second kind of embodiment of the utility model, as shown in the figure: the utility model is except that the mentioned structure of above-mentioned first kind of embodiment, also can on this substrate 1a, be provided with after grounding parts 2, high band Department of Radiation 3 and the low-frequency range Department of Radiation 4, another grounding parts 2a, another high band Department of Radiation 3a and another low-frequency range Department of Radiation 4a are set according to need again; Can reach the above-mentioned effect of being put forward equally, and make required that the utility model can more realistic use.

In sum, the microminiaturized wide frequency antenna of the utility model can significantly dwindle the volume of antenna, and makes the frequency range scope of its transmitting-receiving wider, and reaches the effect of stable transmitting-receiving wideband signal.

The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of microminiaturized wide frequency antenna is characterized in that: comprise

One substrate;

2, microminiaturized wide frequency antenna according to claim 1 is characterized in that: described substrate is a single layer board.

3, microminiaturized wide frequency antenna according to claim 1 is characterized in that: described substrate is the pair of lamina circuit board.

4, microminiaturized wide frequency antenna according to claim 1 is characterized in that: described grounding parts is square.

5, microminiaturized wide frequency antenna according to claim 4 is characterized in that: described conductor is aluminium foil or Copper Foil.

6, microminiaturized wide frequency antenna according to claim 1, it is characterized in that: described high band Department of Radiation is trapezoidal or polygon, the corresponding sides of its contiguous grounding parts are connected with grounding parts by a lead, and all the other limits are the start limit of the different length of sides, to shake a plurality of high frequency response points.

7, microminiaturized wide frequency antenna according to claim 1 is characterized in that: described low-frequency range Department of Radiation is rectangle.

8, microminiaturized wide frequency antenna according to claim 1 is characterized in that: described low-frequency range Department of Radiation is located on the another side of substrate.

9, microminiaturized wide frequency antenna according to claim 1 is characterized in that: described low-frequency range Department of Radiation and high band Department of Radiation are positioned on the same one side of substrate, and are positioned at the front end of high band Department of Radiation.

10, microminiaturized wide frequency antenna according to claim 1 is characterized in that: the frequency range scope of the wideband that this high band Department of Radiation cooperation low-frequency range Department of Radiation is produced is between 824MHz～8GHz.