CN200969398Y

CN200969398Y - Ultrahigh frequency digital television antenna

Info

Publication number: CN200969398Y
Application number: CN 200620066303
Authority: CN
Inventors: 游振辉
Original assignee: WIESON TECHNOLOGIES (DONGGUAN) Co Ltd
Current assignee: WIESON TECHNOLOGIES (DONGGUAN) Co Ltd
Priority date: 2006-10-24
Filing date: 2006-10-24
Publication date: 2007-10-31
Anticipated expiration: 2016-10-24

Abstract

The utility model relates to an ultrahigh frequency number site television antenna, which includes an antenna substrate, a metal layer and a connection part, the metal layer is arranged on at least one surface of the substrate, the metal layer is provided with a fed in path loop and at least two grounding path loops, the connection part is arranged at the bottom of the substrate and composed of a plurality of perforations, the first perforation is connected with the fed in path loop, the second and the third perforation are connected with the first grounding path loop and the second grounding path loop, so as to effectively save the internal space of the antenna and provide the television antenna with less volume; meanwhile the substrate is provided with the length and width sizes below 46 millimeters * 15 millimeters, so as to reach the effects of convenient carrying, low manufacturing cost.

Description

Hyperfrequency DVB-T antenna

Technical field

The utility model relates to a kind of hyperfrequency DVB-T antenna, is meant the general little microminiaturized hyperfrequency DVB-T antenna structure of antenna of a kind of volume especially.

Background technology

Digitisation along with the science and technology life, DVB-T replaces traditional matching test TV gradually, DVB-T standard difference now, the whole world has three big standards at present, be respectively DVB-T (the surface wave transmission DVB-T signal of Europe rule, Digital Video Broadcasting-Terrestrial), the ATSC of U.S. rule and the ISDB-T of sundial, no matter adopt which kind of specification all to need television antenna to receive digital signals.

The superelevation DVB-T antenna typical structure that tradition is known, as shown in Figure 1, be by Taiwan patent announcement number M269583 number " hyperfrequency DVB-T antenna ", this antenna 10 mainly is to carry revealing a joint 11, these joint 11 upper ends are provided with a holder 12, be connected with pivot block 121 on this holder 12, this pivot block 121 top sockets one antenna body 13; Wherein this joint 11 is connected (not shown) with the DVB-T receiver, and the digital signals that antenna body 13 is received transferred on this receiver, and should articulate transposase 11 21 adjustable antenna bodies 13 directions, be located at the optimum reception angle, in addition, antenna body 13 inside that are socketed on pin joint seat 121 have a spiral coil (not shown), in order to the induced electricity magnetic wave, and sensor signal are reached joint 11.

Yet above-mentioned known antenna structure is long for fear of length, not only can't do integratedly according to the moulded of DVB-T receiver, goes out to carry very inconvenient and can't effectively collect, and causes antenna body to be lost easily, receives and influence signal.

The utility model content

The utility model is at above-mentioned existing defective, and main purpose is to provide a kind of hyperfrequency DVB-T antenna, and it saves the antenna inner space effectively, and makes television antenna possess smaller volume.

Another purpose of the utility model is to provide a kind of hyperfrequency DVB-T antenna, and it is easy to carry, and has the effect of low manufacturing cost.

For realizing above-mentioned purpose, the utility model is taked following technical scheme: a kind of hyperfrequency DVB-T antenna, and it comprises:

One antenna substrate;

At least one metal level is located at least one surface of this substrate, has a loop, feed-in path and at least two grounding path loops on this metal level, is respectively the first grounding path loop and the second grounding path loop; And

A junction is located at this base plate bottom, and this connecting portion is made of a plurality of perforation, and wherein first perforation is joined with this loop, feed-in path, and second perforation is connected with this first grounding path loop and the second grounding path loop respectively with the 3rd perforation.

The maximum length and width of this substrate is 46mm*15mm.

Also include a coaxial cable joint, this joint is plugged in respectively in these perforation.

This antenna periphery coats an insulation material that shields.This insulation material is that rubber, PVC plastic cement penetrate material.

This loop, first feed-in path is in order to receive the signal acceptance division of electromagnetic wave signal.

This metal level is that copper, gold or silver foil material are made.

This loop, feed-in path equidistantly is arranged in substrate surface with transverse and longitudinal, and its transverse line length is 14.9mm, and vertical line length is 1.5mm.

This grounding path loop equidistantly is arranged in substrate surface with transverse and longitudinal, and its transverse line length is 6.6m, and vertical line length is 1.2mm.

The utility model is compared with known techniques, and its beneficial effect is to save the antenna inner space effectively, and makes television antenna possess smaller volume.And be easy to carry, have the effect of low manufacturing cost.

Description of drawings

Fig. 1 is known antenna appearance structure schematic diagram;

Fig. 2 is that the substrate of the utility model hyperfrequency DVB-T antenna is faced structural representation;

Fig. 3 is the three-dimensional decomposition texture schematic diagram of the utility model hyperfrequency DVB-T antenna;

Fig. 4 is the three-dimensional schematic diagram of the utility model hyperfrequency DVB-T antenna.

The drawing reference numeral explanation:

10, antenna 11, joint 12, holder 121, pivot block 13, antenna body

20, antenna substrate 30, metal level 31, loop, feed-in path 32, the first grounding path loop 33, the second grounding path loop 40, connecting portion 41, first perforation, 42, second perforation the 43, the 3rd perforation 50, coaxial fitting 501, lead 51, the first terminal 52, second terminal 53, the 3rd terminal 60, insulation shell 61, left shell 62, right shell body 63, hole portion

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

See also Fig. 2 to shown in Figure 4, Fig. 2 is the structural representation of facing of the utility model hyperfrequency DVB-T antenna; Fig. 3 is the three-dimensional decomposition texture schematic diagram of the utility model hyperfrequency DVB-T antenna; Fig. 4 is the three-dimensional schematic diagram of the utility model hyperfrequency DVB-T antenna, and it shows that antenna coats by an insulation shell.

As shown in the figure, the utility model provides a kind of hyperfrequency DVB-T antenna, formed by an antenna substrate 20, metal level 30, a junction 40 and a coaxial cable joint 50, these substrate 20 length and width sizes are 46mm*15mm to the maximum, this substrate 20 is made of glass fibre substrate or ceramic substrate material, and the utility model is not limited.

And metal level 30 is located at substrate 20 surfaces, this metal level 30 is by copper, gold or silver foil are made, at least be provided with loop, a feed-in path 31 and at least two grounding path loops 32 on this metal level 30,33, it is respectively first grounded circuit 32 and second grounded circuit 33, wherein the line-spacing in loop, feed-in path 31 is 0.9mm, and the line-spacing of first grounded circuit 32 and second grounded circuit 33 is 0.6mm, in addition, the utility model does not limit metal level and only is located at substrate 20 1 sides, also can be divided on the first surface and second surface of substrate 20 2 sides, and this loop, feed-in path 31 can be arranged at first surface, and these grounding paths go back to the footpath and can be located on the second surface.

And connecting portion 40 is located at substrate 20 bottoms, and this connecting portion 40 is made of plurality of through holes, be respectively first perforation, 41, second perforation the 42 and the 3rd perforation 43, wherein this first perforation 41 is joined with this loop, feed-in path 31, and second and third perforation 42,43 is connected with this first grounding path loop 32 and this second grounding path loop 33.

And coaxial fitting 50 1 ends are provided with plural terminals, be respectively the first terminal 51, second terminal 52 and the 3rd terminal 53, in order to be plugged on first perforation, 41, second perforation the 42 and the 3rd perforation 43 respectively, wherein the first terminal 51 is connected with the center conductor 501 of coaxial fitting 50 inside, and these lead 501 other ends expose coaxial fitting 50 end in addition, electrically connect in order to do one, make the signal in the loop, feed-in path 31 of substrate 20 be passed to the DVB-T receiver and carry out decoding processing with television receiver.

In addition; the antenna periphery of the utility model can be coated with an insulation shell 60 again; in order to protection metal level 30; suffer the foreign matter scratch when avoiding carrying; this housing is made of 61,62 of left and right housings; this housing is provided with a hole portion 63 corresponding to connecting portion 40 positions, uses for coaxial fitting 50 to pass, and is connected with the DVB-T receiver.

Please consult shown in Figure 2 once more, the loop, feed-in path 31 of the utility model, be vertically equidistantly to be arranged in substrate 20 surfaces laterally to reach, its transverse line length is 14.9mm, vertical line is 1.5mm, and the first grounding path loop 32 and the second grounding path loop 33 that are positioned at substrate 20 surfaces are similarly vertically equidistantly to be arranged in substrate 20 surfaces laterally to reach, and its transverse line length is 6.6mm, and vertical line is 1.2mm.

The above, it only is the preferred embodiment of the utility model hyperfrequency DVB-T antenna, 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 hyperfrequency DVB-T antenna is characterized in that: comprising:

One antenna substrate;

2, according to the described hyperfrequency DVB-T of claim 1 antenna, it is characterized in that: the maximum length and width of this substrate is 46mm*15mm.

3, according to the described hyperfrequency DVB-T of claim 1 antenna, it is characterized in that: also include a coaxial cable joint, this joint is plugged in respectively in these perforation.

4, according to the described hyperfrequency DVB-T of claim 1 antenna, it is characterized in that: this antenna periphery coats an insulation material that shields.

5, according to the described hyperfrequency DVB-T of claim 4 antenna, it is characterized in that: this insulation material is that rubber, PVC plastic cement penetrate material.

6, according to the described hyperfrequency DVB-T of claim 1 antenna, it is characterized in that: this loop, first feed-in path is the signal acceptance division in order to reception electromagnetic wave signal.

7, according to the described hyperfrequency DVB-T of claim 1 antenna, it is characterized in that: this metal level is that copper, gold or silver foil material are made.

8, according to the described hyperfrequency DVB-T of claim 2 antenna, it is characterized in that: this loop, feed-in path equidistantly is arranged in substrate surface with transverse and longitudinal, and its transverse line length is 14.9mm, and vertical line length is 1.5mm.

9, according to the described hyperfrequency DVB-T of claim 2 antenna, it is characterized in that: this grounding path loop equidistantly is arranged in substrate surface with transverse and longitudinal, and its transverse line length is 6.6m, and vertical line length is 1.2mm.