CN201167130Y - Plane ultra-wideband coupling antennae - Google Patents

Abstract

The utility model is a plane ultra-wideband coupled antenna including an insulating base plate for providing a printing set metal film layer; a first radiation part, which is a metal film layer printed on the insulating base plate and provided with a coupled section energy-coupled with a second radiation part, and extends to a feed-in point for being connected with a signal feed-in line electrically; the second radiation part, which is a metal film layer printed on the insulating base plate, and connectedly arranges an extended turn at a grounding part and forms an electrical insulating corresponding interval between a free end part of the second radiation part and the coupled section of the first radiation part; the grounding part, which is formed by a metal film layer electrical conductor and electrically connected with the second radiation part at one end of the grounding part, and has the same electric potential as the grounding end of an antenna receiver; and the signal feed-in line, which is a coaxial cable with a main signal end line connected with the feed-in point of the first radiation part electrically, and a grounding end line connected with the grounding part electrically for sending the signal into a receiving/transmitting circuit.

Description

Plane ultra broadband coupled antenna

Technical field

The utility model relates to a kind of plane ultra broadband coupled antenna, what be particularly related to is in the plane a kind of, be provided with an inverse-F antenna and the unipole antenna one each other that is coupled, has double frequency and volume is little, provide wireless network employed dual-band antenna, its effect by coupling can reach the ultra wide band frequency response of optimized plane.

Background technology

WLAN has four kinds of standards surely, comprise IEEE802.11, the IEEE802.11b and the Bluetooth that are useful in the 2.4GHz frequency range, and the IEEE802.11a that is useful in the 5GHz frequency range, wherein when the wireless application electronic installation is operated in a plurality of radio band for adapting to the various criterion needs, then need corresponding antenna to cooperate.

See also existing dual-band antenna 100 stereograms of Fig. 1, it is to utilize a kind of reversed F-typed dual-band antenna, in order to receive the signal of a first frequency and a second frequency, described antenna 100 is provided with one first plane, 200 conducting subassemblies and one second plane, 300 conducting subassemblies, described first plane 200 conducting subassemblies are a L type structure, described again second plane 300 conducting subassemblies are a crooked rectangular configuration, and it is vertical with first plane conduct component and be connected a contact 400, when second plane, 300 conducting subassembly areas are excessive, easily cause fracture with described first plane 200 conducting subassembly indirection point.Though but above-mentioned antenna 100 its can adjust its frequency range, impedance matching and gain by the moulding of described first plane conduct component and second plane conduct component, the gain of the described antenna of the normal influence of area size of right described second plane conduct component, if needing also, the antenna of high frequency range certainly will will strengthen its substrate area, therefore be confined to and be embedded the spatial limitation between device, so described antenna can't effectively fill part its substrate area of expansion.

Therefore prior art summary has following shortcoming:

1. prior art is subject to limited space, and also high frequency range can't be arranged.

2. prior art easily causes the fracture with the described first plane conduct component indirection point when the second plane conduct component area is excessive.

3. when prior art is used, induction resonance scarce capacity, shortcomings such as the smaller increase circuit design of voltage standing wave(VSW) difficulty.

4. the shortcoming that prior art processing is loaded down with trivial details, manufacturing cost is too high and use installing to be difficult for.

So, how above-mentioned defective is forgone, be the place of the technical difficulties of this case utility model designer institute desire solution.In view of this, this case utility model designer is based on the experience of being engaged in the Related product design for many years, thoughts are in the inconvenience of above-mentioned traditional articles for use, take great pains to attain one's goal through for many years and to concentrate on studies, study improvement, finally the many shortcomings of existing dual-band antenna of can forgoing are are successfully researched and developed and are finished this case, and the utility model is born, and to promote effect.

Summary of the invention

The purpose of this utility model is: a kind of plane ultra broadband coupled antenna is provided, particularly about on the plane, be provided with an inverse-F antenna and the unipole antenna one each other that is coupled, has double frequency and volume is little, provide wireless network employed dual-band antenna, its effect by coupling can reach the frequency response of optimized ultra broadband band 2-6 MHz.

The utility model purpose also is: provide a kind of and have low cost of manufacture, processing procedure is simple and easy and uses installing easily, have moulding light and handy (Low Profile) and lightweight advantage again.

The purpose of this utility model is in addition: provide a kind of have volume little, look good with various electronics and use, and the tool market competitiveness is that value is required with reality on business circles and the industrial circle.

The purpose of this utility model is again: a kind of bifrequency that has is provided, possesses the broadband character of coupled antenna, the low feed-in that radiation efficiency is high is lost and is hanged down reflection loss again.

For realizing these the purpose of this utility model, and according to such as enforcement and the general description and other advantage, the utility model provides a kind of plane ultra broadband coupled antenna, it is that technical scheme is, it includes:

One insulated substrate provides printing and installs metal film layer;

One first Department of Radiation, for metal film layer is printed on the insulated substrate, it is provided with the coupling of a coupled section and the second Department of Radiation energy, and extends to a load point and be electrically connected with signal feed-in line;

One second Department of Radiation, for metal film layer is printed on the described insulated substrate, it is connected with at grounding parts and extends turnover, again between its free end and the first Department of Radiation coupled section, form a corresponding spacing that is electrically insulated, to reach the frequency response of coupling energy induction optimization;

One grounding parts is to be formed by the electrical conductor of a metal film layer, and the one end is electrically connected with second Department of Radiation, and described grounding parts is idiostatic with the earth terminal of antenna receiver in addition;

One signal feed-in line is coaxial wire, and its main signal end line is to be electrically connected with the load point of first Department of Radiation, and its ground connection end line is electrically connected with described grounding parts again, in order to described signal is sent in reception/radiating circuit.

Aspect another, described plane ultra broadband coupled antenna comprises that further wherein said first Department of Radiation to free-ended total length, is about 1/4th of frequency response wavelength from load point of the present utility model.

Aspect another, described plane ultra broadband coupled antenna comprises that further the frequency radiation frequency range of wherein said first Department of Radiation is 2.0 MHz of the present utility model.

Aspect another, described plane ultra broadband coupled antenna comprises that further the wherein said second Department of Radiation total length is about 1/4th of frequency response wavelength of the present utility model.

Aspect another, described plane ultra broadband coupled antenna comprises that further the frequency radiation frequency range of wherein said second Department of Radiation is 6.0 MHz of the present utility model.

The advantage of this utility model is compared with the prior art, well solved the double frequency coupled antenna, little, the high-quality problem of volume looks good with various electronics and uses, and the tool market competitiveness is that value is required with reality on business circles and the industrial circle.Its effect by coupling can reach optimized frequency response, provides wireless network employed dual-band antenna.Reach low cost of manufacture, processed simple and easy and used installing easily, had moulding light and handy (Low Profile) and lightweight effect again.

Description of drawings

Fig. 1 has the dual-band antenna stereogram now;

Fig. 2 is a plane graph of the present utility model;

Fig. 3 is a coupled section schematic diagram of the present utility model;

Fig. 4 is an enforcement illustration of the present utility model.

Description of reference numerals: 100-antenna; 200-first plane; 300-second plane; The 400-contact; 1-plane ultra broadband coupled antenna; The 10-insulated substrate; 20-first Department of Radiation; The 21-coupled section; The 22-load point; The 23-free end; 30-second Department of Radiation; The 31-free end; The 40-grounding parts; 50-signal feed-in line; 51-main signal end line; 52-ground connection end line; A1, a2-corresponding spacing; B1, b2-width.

Embodiment

Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.

At first seeing also Fig. 2 to shown in Figure 4, is plane graph of the present utility model, coupled section schematic diagram of the present utility model and enforcement illustration of the present utility model, and wherein the utility model plane ultra broadband coupled antenna 1, and its feature comprises:

One insulated substrate 10 provides printing and installs metal film layer;

One first Department of Radiation 20, for metal film layer is printed on the insulated substrate, it is provided with a coupled section 21 and the coupling of second Department of Radiation, 30 energy, and extend to a load point 22 and be electrically connected with signal feed-in line 50, wherein said first Department of Radiation 20, total length from load point 22 to free end 23 is about 1/4th of frequency response wavelength, and the frequency radiation frequency range of described again first Department of Radiation 20 is 2.0 MHz;

One second Department of Radiation 30, for metal film layer is printed on the described insulated substrate, it is connected with at grounding parts 40 and extends turnover, again between its free end 31 and first Department of Radiation, 20 coupled section 21, form corresponding spacing a1, an a2 who is electrically insulated distance, to reach the frequency response of coupling energy induction optimization, wherein said second Department of Radiation, 30 total lengths are about 1/4th of frequency response wavelength, and the frequency radiation frequency range of described again second Department of Radiation 30 is 6.0 MHz;

One grounding parts 40 is to be formed by the electrical conductor of a metal film layer, and the one end is electrically connected with second Department of Radiation 30, and described grounding parts 40 is idiostatic with the earth terminal of antenna receiver in addition;

One signal feed-in line 50 is coaxial wire, and its main signal end line 51 is to be electrically connected with the load point of first Department of Radiation 20, and its ground connection end line 52 is electrically connected with described grounding parts 40 again, in order to described signal is sent in reception/radiating circuit.

See also shown in Figure 3 again, between described second Department of Radiation 30 and described first Department of Radiation 20, form corresponding spacing a1, an a2 who is electrically insulated distance,, can adjust and reach coupling energy and respond to the optimization frequency response by width b1, the b2 of corresponding spacing a1, a2 and second Department of Radiation 30.

Show its progressive and practicality for the utility model is also added, hereby its advantage be listed below:

The utility model low cost of manufacture, processing procedure is simple and easy and use installing easily.

2. the utlity model has moulding light and handy (Low Profile) and lightweight advantage.

Volume little, look good with various electronics and use, and the tool market competitiveness.

4. have on business circles and the industrial circle value with actual required.

In sum, the utility model is being broken through under the previous technical pattern, has reached really that institute's wish promotes Effect, and also non-be familiar with described skill person institute easily full of beard with; Moreover, before the utility model application not Open, the progressive of its tool, practicality, the aobvious application important document that has met new patent proposes new in accordance with the law The type application.

More than explanation is novel just illustrative for this, and nonrestrictive, ordinary skill people The member understands, and in the situation that does not break away from the spirit and scope that following claims limit, can make and being permitted Revise changes more, or equivalence, but all will fall in the protection domain of the present utility model.

Claims (5)

1, a kind of plane ultra broadband coupled antenna, it is characterized in that: it includes:

One insulated substrate provides printing metal film layer is set;

One first Department of Radiation, for metal film layer is printed on the insulated substrate, it is provided with the coupling of a coupled section and one second Department of Radiation energy, and extends to a load point and be electrically connected with signal feed-in line;

Described second Department of Radiation, for metal film layer is printed on the described insulated substrate, it extends turnover at a grounding parts place, between its free end and the described first Department of Radiation coupled section, forms a corresponding spacing that is electrically insulated;

Described grounding parts is to be formed by the electrical conductor of a metal film layer, and the one end is electrically connected with described second Department of Radiation, and the earth terminal of described grounding parts and antenna receiver is idiostatic in addition;

One signal feed-in line is coaxial wire, and its main signal end line is electrically connected with the load point of described first Department of Radiation, and its ground connection end line is electrically connected with described grounding parts again, in order to described signal is sent in reception/radiating circuit.

2, plane according to claim 1 ultra broadband coupled antenna, it is characterized in that: described first Department of Radiation is 1/4th of a frequency response wavelength from load point to free-ended total length.

3, plane according to claim 1 ultra broadband coupled antenna, it is characterized in that: the frequency radiation frequency range of described first Department of Radiation is 2.0 MHz.

4, plane according to claim 1 ultra broadband coupled antenna, it is characterized in that: the described second Department of Radiation total length is 1/4th of a frequency response wavelength.

5, plane according to claim 1 ultra broadband coupled antenna, it is characterized in that: the frequency radiation frequency range of described second Department of Radiation is 6.0 MHz.

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