CN208922311U - A kind of RFID label tag - Google Patents

Abstract

The utility model relates to electronic label technology field, a kind of particularly RFID label tag.The utility model discloses a kind of RFID label tags, including label antenna, substrate and label chip, the label antenna and label chip are arranged in substrate upper surface, the label antenna includes impedance matching ring and the first oscillator unit and the second oscillator unit that are located at left and right sides of impedance matching ring, the impedance matching ring has an opening, the label chip is electrically connected with the both ends of the opening of impedance matching ring, first oscillator unit and the second oscillator unit are electrically connected with impedance matching ring respectively, the position corresponding to the second oscillator unit of the lower surface of the substrate is equipped with metal layer.The utility model can be placed directly against on the surfaces such as metal or the packaging material equipped with liquid, and performance is substantially unaffected, and structure is simple, easily fabricated, at low cost.

Description

A kind of RFID label tag

Technical field

The utility model belongs to electronic label technology field, can be applied to metal or equipped with liquid more particularly to a kind of The RFID label tag on the surfaces such as packaging material.

Background technique

Electronic tag, also known as radio frequency identification (Radio Frequency Identification, abbreviation RFID) are A kind of contactless automatic identification technology using radio frequency can identify specific objective by radio signal and read and write correlation Data, without establishing mechanical or optical contact between identifying system and specific objective.Letter of the electronic tag as Internet of Things Breath carrier is widely applied in every field, carries out intelligent management to article to facilitate.

During the intelligent management of article, electronic tag is indispensable a part.By electronic tag note to each On article, intelligent management can be carried out to each article.However, the type of article is all kinds of, so that a part of electronic tag Need to be placed directly against the surfaces such as metal or the packaging material equipped with liquid, and for existing electronic tag, if directly The surfaces such as metal or the packaging material equipped with liquid are attached to using electronic tag performance can be made sharply to deteriorate, lead to not using.

Summary of the invention

The purpose of this utility model is to provide a kind of RFID label tags for solving above-mentioned technical problem.

To achieve the above object, the technical solution adopted in the utility model are as follows: a kind of RFID label tag, including label antenna, Substrate and label chip, the label antenna and label chip are arranged in substrate upper surface, and the label antenna includes impedance With ring and the first oscillator unit and the second oscillator unit that are located at left and right sides of impedance matching ring, the impedance matching ring With an opening, the label chip is electrically connected with the both ends of the opening of impedance matching ring, first oscillator unit and the Two oscillator units are electrically connected with impedance matching ring respectively, and the position corresponding to the second oscillator unit of the lower surface of the substrate is set There is metal layer.

Further, first oscillator unit include the first folding line portion, the first end in first folding line portion with The electrical connection of impedance matching ring, second oscillator unit include the wire frame portion with an opening, the wire frame portion and impedance matching Ring electrical connection.

Further, the size of the opening in the wire frame portion is less than 17mm, and the wire frame portion is being parallel to opening direction Full-size between 16-50mm, the wire frame portion is in the full-size perpendicular to opening direction between 14-32mm.

Further, the generally rectangular shaped pulse curve structure in first folding line portion.

Further, the metal layer is made of whole piece metal.

Further, the size of the metal layer is greater than or equal to the size of the second oscillator unit.

Further, the metal layer is square structure.

Further, Chi Cun Wei≤18mm × 22mm of the metal layer.

Further, the label antenna and metal layer are made of aluminium foil.

Further, the substrate is made of PET material.

The advantageous effects of the utility model:

The utility model can be placed directly against on the surfaces such as metal or the packaging material equipped with liquid and use, and performance is substantially not Impacted, applicability is wide, and structure is simple, and compact beauty, easily fabricated, consumptive material is less, at low cost.

Detailed description of the invention

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

Fig. 2 is the rearview of the utility model specific embodiment；

Fig. 3 is the perspective view of the utility model specific embodiment.

Specific embodiment

Now in conjunction with the drawings and specific embodiments, the present invention will be further described.

As shown in Figure 1-3, a kind of RFID label tag, including label antenna, substrate 1 and label chip (not shown), institute It states label antenna and label chip is arranged in 1 upper surface of substrate, the label antenna includes impedance matching ring 22 and difference position The first oscillator unit 21 and the second oscillator unit 23 in 22 left and right sides of impedance matching ring, the impedance matching ring 22 have one Opening 221, the label chip is electrically connected with the both ends at the opening 221 of impedance matching ring 22, first oscillator unit 21 It is electrically connected respectively with 22 ring of impedance matching with the second oscillator unit 23, the lower surface of the substrate 1 corresponds to the second oscillator list The position of member 23 is equipped with metal layer 3.

In this specific embodiment, label antenna and metal layer 3 are made of aluminum foil material, but not limited to this, in other realities It applies in example, label antenna and metal layer 3 can also be made of materials such as existing other conductive materials such as copper foil, goldleaf, this It is that those skilled in the art can realize easily, no longer describes in detail.

In this specific implementation, the impedance matching ring 22 is in the structure of falling convex, and the opening 221 is located at impedance matching ring On 22 bottom edge, certainly, in other embodiments, impedance matching ring 22 is also possible to the other structures such as square, circle, this is What those skilled in the art can realize easily, no longer describe in detail.

In this specific embodiment, first oscillator unit 21 includes the first folding line portion, first folding line portion 21 First end (i.e. right end in Fig. 1) be electrically connected with impedance matching ring 22, specifically, the lower part with 22 left side of impedance matching ring Electrical connection.

In this specific embodiment, the generally rectangular shaped pulse curve structure in first folding line portion 21, to increase electric length Degree, generally rectangular shaped pulse curve structure here, which refers to, becomes arc chord angle for the right angle of rectangular pulse curvilinear structures.But it is unlimited In this, in other embodiments, the first oscillator unit 21 can also be realized using existing other structures, this is this field skill What art personnel can realize easily, no longer describe in detail.

In this specific embodiment, second oscillator unit 23 includes the wire frame portion with an opening 231, the wire frame portion 23 are electrically connected with impedance matching ring 22, and the size of the opening 231 in the wire frame portion 23 is less than 17mm, and the wire frame portion 23 is parallel In be open 231 directions full-size between 16-50mm, the wire frame portion 23 perpendicular to opening 231 directions maximum ruler It is very little between 14-32mm.But not limited to this, in other embodiments, the second oscillator unit 23 can also use existing other Structure realizes that this is that those skilled in the art can realize easily, no longer describe in detail.

In this specific embodiment, opening 231 is towards right side, and certainly, in other embodiments, opening 231 can also be upward Or towards inferior, the left apex angle in the wire frame portion 23 is electrically connected by the second folding line portion 24 with impedance matching ring 22, specifically, with The lower part of 22 right edge of impedance matching ring is electrically connected.

In this specific embodiment, the metal layer 3 is made of whole piece metal, certainly, in other embodiments, metal layer 3 can also be made of the full wafer metal for being equipped with several hollow outs, or are made of the setting of multi-disc metal interval.This is those skilled in the art What member can realize easily, no longer describe in detail.

In this specific embodiment, the metal layer 3 is preferably square structure, but not limited to this, in other embodiments, gold Belong to layer 3 and is also possible to the other shapes such as diamond shape, polygon.

Preferably, the size of the metal layer 3 be greater than or equal to the second oscillator unit 23 size so that be attached to metal or When the surfaces such as the packaging material equipped with liquid, performance is more preferable.

In this specific embodiment, more preferably the size of opening 231 is 10.5mm, and wire frame portion 23 (is parallel to along the vertical direction Be open 231 directions) width be 18mm, wire frame portion 23 in left-right direction the width (perpendicular to 231 directions that are open) be 22mm, phase Ying Di, the excellent choosing of the ruler cun of the metal layer 3 is≤18mm × 22mm.

In this specific embodiment, substrate 1 is made of PET material, bent, but not limited to this.

In use, metal layer 3 is directly attached to the surfaces such as metal surface or packaging material equipped with liquid, tag performance base This is unaffected, and structure is simple, and compact beauty, easily fabricated, consumptive material is less, at low cost.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (10)

1. a kind of RFID label tag, including label antenna, substrate and label chip, it is characterised in that: the label antenna and label Chip is arranged in substrate upper surface, and the label antenna includes impedance matching ring and is located at left and right sides of impedance matching ring The first oscillator unit and the second oscillator unit, the impedance matching ring has an opening, the label chip and impedance matching The both ends of the opening of ring are electrically connected, and first oscillator unit and the second oscillator unit are electrically connected with impedance matching ring respectively, The position corresponding to the second oscillator unit of the lower surface of the substrate is equipped with metal layer.

2. RFID label tag according to claim 1, it is characterised in that: first oscillator unit includes the first folding line The first end in portion, first folding line portion is electrically connected with impedance matching ring, and second oscillator unit includes having an opening Wire frame portion, the wire frame portion is electrically connected with impedance matching ring.

3. RFID label tag according to claim 2, it is characterised in that: the size of the opening in the wire frame portion is less than 17mm, The wire frame portion is in the full-size for being parallel to opening direction between 16-50mm, and the wire frame portion is perpendicular to opening direction Full-size between 14-32mm.

4. RFID label tag according to claim 2, it is characterised in that: the generally rectangular shaped pulse in first folding line portion is bent Cable architecture.

5. RFID label tag according to claim 1 or 2, it is characterised in that: the metal layer is made of whole piece metal film.

6. RFID label tag according to claim 5, it is characterised in that: the size of the metal layer is greater than or equal to the second vibration The size of subelement.

7. RFID label tag according to claim 5, it is characterised in that: the metal layer is square structure.

8. RFID label tag according to claim 7, it is characterised in that: Chi Cun Wei≤18mm × 22mm of the metal layer.

9. RFID label tag according to claim 1, it is characterised in that: the label antenna and metal layer are made of aluminium foil.

10. RFID label tag according to claim 1, it is characterised in that: the substrate is made of PET material.