CN201188448Y

CN201188448Y - Symmetrical array dipolar ultra-wide band antenna structure

Info

Publication number: CN201188448Y
Application number: CNU200820003171XU
Authority: CN
Inventors: 甘锦能; 郭玄一
Original assignee: KINSUN INDUSTRIES Inc
Current assignee: KINSUN INDUSTRIES Inc
Priority date: 2008-02-18
Filing date: 2008-02-18
Publication date: 2009-01-28
Anticipated expiration: 2018-02-18

Abstract

The utility model relates to an ultra-wide frequency antenna structure of dipoles in a symmetric array, which is arranged on a substrate so as to be connected with a wireless communication device. The ultra-wide frequency antenna structure comprises a first radiation arm and a second radiation arm, wherein, the first radiation arm at least comprises a first feed-in port, a first branch arm, a second branch arm and a third branch arm; the three branch arms are parallel to one another; the first feed-in port and the second branch arm are arranged on the same line; the second radiation arm at least comprises a second feed-in port, a fourth branch arm, a fifth branch arm and a sixth branch arm; the three branch arms are parallel to one another; the second feed-in port and the fifth branch arm are arranged on the same line, wherein, first feed-in port and the second feed-in port are used for being connected to the wireless communication device and are respectively arranged in positions in which the first radiation arm and the second radiation arm keep the nearest distance from each other.

Description

Symmetric array dipole ultra-wide frequency antenna structure

Technical field

The utility model relates to the built-in antenna arrangement of radio communication device, symmetric array dipole ultra-wide frequency antenna structure.

Background technology

Along with the progress of modern communications technology, wireless communication apparatus is used in the consumption electronic products such as notebook computer, mobile phone and PDA(Personal Digital Assistant) in large quantities to carry out wireless telecommunications.Wireless communication apparatus is generally understood for consideration attractive in appearance, and carries out transmission of Information with the internally-arranged type antenna configurations in the inside of electronic product.General internally-arranged type antenna can influence its frequency range and radiation efficiency for reaching reduced volume, employed antenna characteristics is difficult for grasping, be difficult for being adjusted to the frequency response of corresponding required by electronic product, or its antenna bandwidth scope is difficult for being adjusted to bigger scope, and the utility model is and addresses the above problem the antenna structure that is born.

Summary of the invention

Shortcoming based on the above prior art, the utility model symmetric array dipole ultra-wide frequency antenna structure, its main purpose is at a substrate manufacture symmetric array dipole ultra-wide frequency antenna structure, can adjust the desired frequency response of coupling via the design of calculating radiation arm and dividing the short width of brachium.

In order to achieve the above object, the utility model is a kind of symmetric array dipole ultra-wide frequency antenna structure, and it is to be arranged on the substrate, and to connect a wireless communication apparatus, it is to include:

First radiation arm, it is to include the first feed-in port, first fen arm, second fen arm and the 3rd fen arm at least, is parallel to each other between the arm in these three minutes, this first feed-in port and second fen arm are to be positioned on the same line; And

Second radiation arm, it is to include the second feed-in port, the 4th fen arm, the 5th fen arm and the 6th fen arm at least, is parallel to each other between the arm in these three minutes, this second feed-in port and the 5th fen arm are to be positioned on the same line;

The wherein above-mentioned first feed-in port and the second feed-in port are in order to being connected to wireless communication apparatus, and the first feed-in port and the second feed-in port are the positions that is arranged at the minimum distance of first radiation arm and second radiation arm respectively.

The beneficial effects of the utility model are: at a substrate manufacture symmetric array dipole ultra-wide frequency antenna structure, this symmetric array dipole UWB (Ultra Wideband) Antenna comprises first radiation arm and second radiation arm at least, mate desired frequency response via calculating the design of first radiation arm, adjusting with the length width of the branch arm of second radiation arm.Be arranged at the simple and easy making of antenna structure of substrate, so can produce in a large number and can promote the making yield.And the quantity that can set up radiating surface according to actual demand is by this so that symmetric array dipole UWB (Ultra Wideband) Antenna is received and dispatched the electromagnetic wave of multiple different frequency.

Below in conjunction with accompanying drawing above and other features and advantages of the present utility model are elaborated.

Description of drawings

Fig. 1 is first embodiment of the utility model symmetric array dipole ultra-wide frequency antenna structure;

Fig. 2 is the antenna frequencies response Line Chart of Fig. 1;

Fig. 3 is second embodiment of the utility model symmetric array dipole ultra-wide frequency antenna structure;

Fig. 4 is the 3rd embodiment of the utility model symmetric array dipole ultra-wide frequency antenna structure;

Fig. 5 is the 4th embodiment of the utility model symmetric array dipole ultra-wide frequency antenna structure.

1,2,3, the 4-substrate description of reference numerals:; 11,21,31,41-first radiation arm; 111,211,311, the 411-first feed-in port; 112,212,312, first fen arm of 412-; 113,213,313, second fen arm of 413-; 114,214,314, the 3rd fen arm of 414-; 12,22,32,42-second radiation arm; 121,221,321, the 421-second feed-in port; 122,222,322, the 4th fen arm of 422-; 123,223,323, the 5th fen arm of 423-; 124,224,324, the 6th fen arm of 424-.

Embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present invention is illustrated.

See also shown in Figure 1, it is first embodiment for the utility model symmetric array dipole ultra-wide frequency antenna structure, it can connect a wireless communication apparatus, this symmetric array dipole ultra-wide frequency antenna structure is for being produced on the substrate 1, this substrate can be a printed circuit board (PCB) (PCB) or metal radiation fin, more general traditional column antenna of its production cost or helical antenna are low, has compact characteristic simultaneously, this antenna structure is to include: first radiation arm 11, it is to include the first feed-in port 111 at least, arm 112 in first minute, second fen arm 113 and the 3rd fen arm 114, be parallel to each other between the arm in these three minutes, this first feed-in port 11 and second fen arm 113 are to be positioned on the same line; Second radiation arm 12, it is to include the second feed-in port 121, the 4th fen arm 122, the 5th fen arm 123 and the 6th fen arm 124 at least, is parallel to each other between the arm in these three minutes, this second feed-in port 121 and the 5th fen arm 123 are to be positioned on the same line; The wherein above-mentioned first feed-in port 111 and the second feed-in port 121 are in order to being connected to wireless communication apparatus (for example: notebook computer, mobile phone and PDA(Personal Digital Assistant)) (not shown), and the first feed-in port 111 and the second feed-in port 121 are the positions that are arranged at the minimum distance of first radiation arm 11 and second radiation arm 12 respectively.To be that the horizontal line at 111 rears, the first feed-in port is right-hand protruded out first fen arm 112 and first radiation arm, 11 each structure are provided with the position, 111 rear extensions have second fen arm 113 at the first feed-in port, horizontal line left at 111 rears, the first feed-in port has protruded out the 3rd fen arm 114 again, be parallel to each other between the arm in these three minutes, to form this first radiation arm 11; To be that the horizontal line at 121 rears, the second feed-in port is right-hand protruded out the 4th fen arm 122 and second radiation arm, 12 each structure are provided with the position, at the second feed-in port, 121 rear extensions the 5th fen arm 123 arranged, horizontal line left at 121 rears, the second feed-in port has protruded out the 6th fen arm 124 again, be parallel to each other between the arm in these three minutes, to form this second radiation arm 12.

See also shown in Figure 2ly, it is to be the antenna frequencies of Fig. 1 response Line Chart, wherein can find out the measured antenna frequencies scope of the antenna transverse axis (X-axis) of Fig. 1, and minimum value is 500MHz, and maximum is 6.5GHz.Vertical seat (Y-axis) then is reflection loss (dB), linear by measuring, antenna frequencies response all can keep a stabilized frequency response in the scope of this super wideband (500MHz-6.5GHz), is mainly by 1/4 of Fig. 1 wavelength X that to disclose the 4th fen arm 122 of first fen arm 112 of first radiation arm 11, second fen arm 113, the 3rd fen arm 114 and second radiation arm 12, the 5th fen arm 123, the 6th fen arm 124 respectively be corresponding different frequency to form UWB (Ultra Wideband) Antenna.

Structure that following Fig. 3 to Fig. 5 discloses, be respectively the utility model symmetric array dipole ultra-wide frequency antenna structure second and third, four embodiment, its all variation is all first fen arm of its first radiation arm of Fig. 1 structural change, second fen arm, the first tail arm, and the 3rd fen arm of second radiation arm, the 4th fen arm, the second tail arm, all can change those structure lengths and width, its purpose is for constituting different frequency response couplings, to meet the characteristic of required by electronic product.

See also shown in Figure 3, be second embodiment for the utility model symmetric array dipole ultra-wide frequency antenna structure, antenna structure on printed circuit board (PCB) 2 is to include: first radiation arm 21, and it is to include the first feed-in port 211, first fen arm 212, second minute arm 213 and the 3rd fen arm 214 at least; Second radiation arm 22, it is to include the second feed-in port 221, the 4th fen arm 222, the 5th fen arm 223 and the 6th fen arm 224 at least.Compare with Fig. 1 structure, its maximum difference is that first fen arm 212 and the 3rd fen arm 214 of first radiation arm 21 is shorter than second fen arm 213, so that form outer appearnce like Chinese character " mountain " font, and the 4th fen arm 222 and the 6th fen arm 24 of second radiation arm 21 are shorter than the 5th fen arm 223, so that form outer appearnce and fall " mountain " font, and the width of these six branch arms is wide than Fig. 1 structure all like Chinese character.Change the length or the width of arbitrary minute arm of first radiation arm and second radiation arm, just can influence the linear of antenna frequencies response.

See also shown in Figure 4, it is the 3rd embodiment of the utility model symmetric array dipole ultra-wide frequency antenna structure, antenna structure in substrate comprises: first radiation arm 31, and it is to include the first feed-in port 311, first fen arm 312, second minute arm 313 and the 3rd fen arm 314 at least; Second radiation arm 32, it is to include the second feed-in port 321, the 4th fen arm 322, the 5th fen arm 323 and the 6th fen arm 324 at least.Comparing structural difference with Fig. 1 is wide than Fig. 1 structure all at the width in these six branch arms only, in order to cause different frequency response couplings, to meet the characteristic of required by electronic product.

Please consult shown in Figure 5 simultaneously, it is the 4th embodiment for the utility model symmetric array dipole ultra-wide frequency antenna structure, antenna structure in substrate comprises: first radiation arm 41, and it is to include the first feed-in port 411, first fen arm 412, second minute arm 413 and the 3rd fen arm 414 at least; Second radiation arm 42, it is to include the second feed-in port 421, the 4th fen arm 422, the 5th fen arm 423 and the 6th fen arm 424 at least.With Fig. 4 compare structural difference be the width of these six branch arms be all near two feed-in port ends narrower, comparatively thick away from two feed-in port ends, so framework also causes different frequency response couplings, in order to cooperate the special needs of electronic product to antenna feed-in port.

Exposure by above-mentioned Fig. 1 to Fig. 5, can understand a kind of symmetric array dipole of the utility model ultra-wide frequency antenna structure, its main purpose is in a substrate manufacture symmetric array dipole ultra-wide frequency antenna structure, this symmetric array dipole UWB (Ultra Wideband) Antenna comprises first radiation arm and second radiation arm at least, mate desired frequency response via calculating the design of first radiation arm, adjusting with the length width of the branch arm of second radiation arm.In addition, be arranged at the simple and easy making of antenna structure of substrate, so can produce in a large number and can promote the making yield.Moreover the quantity of setting up radiating surface according to actual demand is by this so that symmetric array dipole UWB (Ultra Wideband) Antenna is received and dispatched the electromagnetic wave of multiple different frequency.The design of this kind antenna structure has high commercial value, so propose patent application to seek Patent right protection.

Above embodiment only is preferred embodiment of the present utility model, and it is illustrative for the utility model, and nonrestrictive.Those skilled in the art carries out conversion, modification even equivalence to it under the situation that does not exceed the utility model spirit and scope, these changes all can fall into claim protection range of the present utility model.

Claims

1. symmetric array dipole ultra-wide frequency antenna structure, it is arranged on the substrate, to connect a wireless communication apparatus, it is characterized in that, includes:

2. symmetric array dipole ultra-wide frequency antenna structure according to claim 1 is characterized in that, the line stretcher of this first fen arm is can corresponding the 4th fen arm.

3. symmetric array dipole ultra-wide frequency antenna structure according to claim 1 is characterized in that, the line stretcher of this second fen arm is can corresponding the 5th fen arm.

4. symmetric array dipole ultra-wide frequency antenna structure according to claim 1 is characterized in that, the line stretcher of the 3rd fen arm is can corresponding the 6th fen arm.

5. symmetric array dipole ultra-wide frequency antenna structure according to claim 1 is characterized in that, this substrate is one of them of a printed circuit board (PCB) and metal radiation fin.

6. symmetric array dipole ultra-wide frequency antenna structure according to claim 1, it is characterized in that this first fen arm, second fen arm, the 3rd fen arm, the 4th fen arm, the 5th fen arm and the 6th fen arm are respectively formed UWB (Ultra Wideband) Antenna for 1/4 of the wavelength X of corresponding different frequency.