CN205488530U - Ceramic radio -frequency antenna of 868 -930 frequency channel - Google Patents

Abstract

The utility model discloses a ceramic radio -frequency antenna of 868 -930 frequency channel, including the hexahedron ceramic base member of rectangle, the upper surface right side of pottery base member covers there is C shape conducting layer, the higher authority of C shape conducting layer is stupefied parallel with the rear side, above the lower level is on a parallel with, the left side of C shape conducting layer is provided with L shape conducting layer, it is stupefied that the left side limit of L shape conducting layer extends to the rear side, it is stupefied that lower side extends to the right side, the left side of upper surface is provided with and sets up the rectangle wave conducting layer that the conducting layer on the front is connected, the stupefied second rectangle conducting layer that is provided with in left side of downside, the stupefied third rectangle conducting layer that is provided with in right side, and secondly, third rectangle conducting layer is connected with positive conducting layer, the trailing flank covers there is the conducting layer, the extreme point has been seted up to conducting layer along the stupefied setting of upside of trailing flank, the one side and the L shape conducting layer of extreme point are connected, the opposite side is connected with rectangle wave conducting layer. The utility model discloses a pottery antenna body is long -pending little, the mechanism is compact, the signal is stable, and the occasion that is fit for having relatively high expectations to the volume is used.

Description

A kind of 868-930 The ceramic RF antenna of frequency range

Technical field

This utility model relates to the ceramic RF antenna of a kind of 868-930 frequency range.

Background technology

RF identification, RFID(Radio Frequency Identification) technology, also known as radio frequency identification, is a kind of communication technology, can pass through radio signals identification specific objective and read and write related data, and set up machinery or optical contact between system and specific objective without identifying.Rfid interrogator also divides movable type and fixed.Being a kind of simple wireless system from structure RFID, only two basic devices, this system is used for controlling, detect and track object.System is made up of a reader and a lot of transponder.Transponder refers to transmit the electronic module of information-reply information, and in recent years, owing to radio-frequency technique development is swift and violent, transponder has had new saying and implication, is called again intelligent label or label.The reader of RFID carries out radio communication by antenna and RFID, it is possible to achieve to tag recognition code and the read or write operation of internal storage data.RFID technique can recognize that high-speed moving object and can identify multiple label simultaneously, swift and convenient to operate.Transponder is made up of antenna, coupling element and chip, is the most all that each label has unique electronic code as transponder with label, is attached on object identify destination object.Reader is made up of antenna, coupling element, chip, reads the equipment of (sometimes can also write) label information, may be designed as hand-held RFID read-write device or fixed type reader-writer.

Designing a kind of volume little, ceramic RF antenna always the applicant of the 868-930 frequency range of signal stabilization is devoted to the direction of research.

Summary of the invention

Goal of the invention: the purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of volume is little, the ceramic RF antenna of the 868-930 frequency range of signal stabilization.

In order to realize foregoing invention purpose, the technical scheme that this utility model is used is:

nullA kind of ceramic RF antenna of 868-930 frequency range，Ceramic matrix including rectangular hexahedron，C-shaped conductive layer it is coated with on the right side of the upper surface of described ceramic matrix，The top of C-shaped conductive layer is stupefied with the rear side of upper surface parallel and leaves gap，C-shaped conductive layer be parallel to top below，Stupefied with the right side of upper surface leave gap，The right side that the top of C-shaped conductive layer extends to upper surface is stupefied，Stupefied along right side it is provided with the first rectangular conductive layer being connected with top，The right side of C-shaped conductive layer is provided with L-shaped conductive layer，The rear side that the left side of L-shaped conductive layer extends to upper surface is stupefied，The lower side of L-shaped conductive layer is parallel with top and to extend to the right side of upper surface stupefied，Gap is left between first rectangular conductive layer and lower side，The left side of upper surface is provided with rectangle wave conductive layer，Rectangle wave conductive layer is stupefied to the stupefied extension in the front side of upper surface along the left side of upper surface，And vertical bending to the right，Bending the most downward vertically，Bending the most to the left，Stupefied finally along the stupefied front side extending downward upper surface, the left side of upper surface，Rectangle wave conductive layer is connected with the conductive layer being arranged on front，Conductive layer is stupefied along the upside in front、Stupefied and the stupefied setting in downside in right side，And the left side that extends to front is stupefied，The left side of downside is stupefied is provided with the second rectangular conductive layer，The right side of downside is stupefied is provided with the 3rd rectangular conductive layer，Second rectangular conductive layer、3rd rectangular conductive layer is connected with conductive layer，Trailing flank is coated with conductive layer，Conductive layer is along four stupefied settings of trailing flank，The conductive layer of the stupefied setting in upside along trailing flank offers end points，The side of end points is connected with L-shaped conductive layer，The opposite side of end points is connected with rectangle wave conductive layer.

The ceramic matrix of described rectangular hexahedron a size of 16mm × 3mm × 2mm, the size of upper surface is 16mm × 3mm.

Compared with prior art, it provides the benefit that this utility model:

This utility model is provided with feed end and earth terminal end at the lower surface of the ceramic matrix of rectangular hexahedron, make the requirement that the radiofrequency of the ceramic RF antenna of the 868-930 frequency range of this structure more can meet, signal stabilization, and the ceramic RF antenna mechanism of 868-930 frequency range of the present utility model is compact, volume is little, is suitable for the occasion to ceramic antenna volume requirement is higher and uses.

Accompanying drawing explanation

Fig. 1 is this utility model structural representation；

Fig. 2 is the conductive coating structure schematic diagram of the hexahedro expansion of ceramic RF antenna of 868-930 frequency range.

Detailed description of the invention

Below in conjunction with the accompanying drawings, by a most preferred embodiment, technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.

nullAs illustrated in fig. 1 and 2，A kind of ceramic RF antenna of 868-930 frequency range，Ceramic matrix including rectangular hexahedron，The ceramic matrix of described rectangular hexahedron a size of 16mm × 3mm × 2mm，The size of upper surface 1 is 16mm × 3mm，It is coated with C-shaped conductive layer 11 on the right side of the upper surface 1 of described ceramic matrix，The top 111 of C-shaped conductive layer 11 is stupefied with the rear side of upper surface parallel and leaves gap，Following the 112 of C-shaped conductive layer 11 are parallel to top，Stupefied with the right side of upper surface leave gap，The right side that the top 111 of C-shaped conductive layer 11 extends to upper surface is stupefied，Stupefied along right side it is provided with the first rectangular conductive layer 12 being connected with top 111，The right side of C-shaped conductive layer 11 is provided with L-shaped conductive layer 13，The rear side that the left side 131 of L-shaped conductive layer 13 extends to upper surface is stupefied，The lower side 132 of L-shaped conductive layer 13 is parallel with top 111 and to extend to the right side of upper surface stupefied，Gap is left between first rectangular conductive layer 12 and lower side 132，The left side of upper surface is provided with rectangle wave conductive layer 14，Rectangle wave conductive layer 14 is stupefied to the stupefied extension in the front side of upper surface along the left side of upper surface，And vertical bending to the right，Bending the most downward vertically，Bending the most to the left，Stupefied finally along the stupefied front side extending downward upper surface, the left side of upper surface，Rectangle wave conductive layer 14 is connected with the conductive layer 21 being arranged on front 2，Conductive layer 21 is stupefied along the upside in front、Stupefied and the stupefied setting in downside in right side，And the left side that extends to front is stupefied，The left side of downside 4 is stupefied is provided with the second rectangular conductive layer 41，The right side of downside 4 is stupefied is provided with the 3rd rectangular conductive layer 42，Second rectangular conductive layer 41、3rd rectangular conductive layer 42 is connected with conductive layer 21，Trailing flank 3 is coated with conductive layer 31，Conductive layer 31 is along four stupefied settings of trailing flank，The conductive layer of the stupefied setting in upside along trailing flank 3 offers end points 32，The side of end points is connected with L-shaped conductive layer 13，The opposite side of end points is connected with rectangle wave conductive layer 14.Second rectangular conductive layer 41 is feed end, and the 3rd rectangular conductive layer 42 is earth terminal.

Claims (2)

1. null1. the ceramic RF antenna of a 868-930 frequency range，Ceramic matrix including rectangular hexahedron，It is characterized in that: upper surface (1) right side of described ceramic matrix is coated with C-shaped conductive layer (11)，The top (111) of C-shaped conductive layer (11) is stupefied with the rear side of upper surface parallel and leaves gap，Following (112) of C-shaped conductive layer (11) are parallel to top，Stupefied with the right side of upper surface leave gap，The right side that the top (111) of C-shaped conductive layer (11) extends to upper surface is stupefied，Stupefied along right side it is provided with the first rectangular conductive layer (12) being connected with top (111)，The left side of C-shaped conductive layer (11) is provided with L-shaped conductive layer (13)，The rear side that the left side (131) of L-shaped conductive layer (13) extends to upper surface is stupefied，The lower side (132) of L-shaped conductive layer (13) is parallel with top (111) and to extend to the right side of upper surface stupefied，Gap is left between first rectangular conductive layer (12) and lower side (132)，The left side of upper surface is provided with rectangle wave conductive layer (14)，Rectangle wave conductive layer (14) is stupefied to the stupefied extension in the front side of upper surface along the left side of upper surface，And vertical bending to the right，Bending the most downward vertically，Bending the most to the left，Stupefied finally along the stupefied front side extending downward upper surface, the left side of upper surface，Rectangle wave conductive layer (14) is connected with the conductive layer (21) being arranged on front (2)，Conductive layer (21) is stupefied along the upside in front、Stupefied and the stupefied setting in downside in right side，And the left side that extends to front is stupefied，The left side of downside (4) is stupefied is provided with the second rectangular conductive layer (41)，The right side of downside (4) is stupefied is provided with the 3rd rectangular conductive layer (42)，Second rectangular conductive layer (41)、3rd rectangular conductive layer (42) is connected with conductive layer (21)，Trailing flank (3) is coated with conductive layer (31)，Conductive layer (31) is along four stupefied settings of trailing flank，Conductive layer along the stupefied setting in upside of trailing flank (3) offers end points，The side of end points is connected with L-shaped conductive layer (13)，The opposite side of end points is connected with rectangle wave conductive layer (14).
2. The ceramic RF antenna of 868-930 frequency range the most according to claim 1, it is characterised in that: the ceramic matrix of described rectangular hexahedron a size of 16mm × 3mm × 2mm, the size of upper surface (1) is 16mm × 3mm.