CN210838067U

CN210838067U - RFID radio frequency tag antenna compatible with various chips

Info

Publication number: CN210838067U
Application number: CN201922419765.XU
Authority: CN
Inventors: 赵志林
Original assignee: Suzhou Huapin Iot Technology Co ltd
Current assignee: Suzhou Huapin Iot Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-06-23
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to a radio frequency identification technology field especially relates to a RFID radio frequency identification antenna of compatible multiple chip. An object of the utility model is to provide a RFID radio frequency tag antenna of compatible multiple chip, including first kink, second kink, a plurality of first connection structure, a plurality of second connection structure, wherein, first connection structure is connected with first kink, and second connection structure is connected with the second kink, and first connection structure and second connection structure one-to-one set up and form the foot position that matches with the chip, and the structure of every foot position is different each other. The utility model discloses the one-to-one forms the mutually different foot position of structure between first kink and second kink, and the foot position of chip matches with the foot position of antenna to adjust the frequency based on the conjugation matching principle, continue the backscatter principle and optimize the crowd and read the performance, thereby realize that a tag antenna can match and compatible multiple UHF radio frequency tag chip.

Description

RFID radio frequency tag antenna compatible with various chips

Technical Field

The utility model relates to a radio frequency identification technology field especially relates to a RFID radio frequency identification antenna of compatible multiple chip.

Background

The RFID (Radio Frequency Identification) technology, also called RFID tag or RFID technology, is a technology that can identify a specific target by Radio signals and read and write related data, and does not require a recognition system to be in mechanical or optical contact with the specific target. The radio frequency identification electronic tag comprises a chip for loading information and an antenna for receiving and transmitting electromagnetic wave signals, and the signals received by the antenna are used for supporting the work of the chip. If the label is attached to an object and the related information of the object is stored, the object can be identified by reading the data in the label. Currently, radio frequency identification electronic tags have been widely used in the fields of logistics management, retail management, book management, asset management, personnel identification, and the like.

Because a specific chip can only use the antenna with matched structure, when the chip with different structures is used, the antenna can be compatible for use only by changing the connecting pin structure of the antenna, which is very troublesome, and therefore, the antenna structure capable of matching various chips is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a RFID radio frequency tag antenna of compatible multiple chip can match and compatible multiple radio frequency tag chip.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a RFID radio frequency tag antenna of compatible multiple chip, including first kink, second kink, a plurality of first connection structure, a plurality of second connection structure, wherein, first connection structure with first kink is connected, second connection structure with the second kink is connected, just first connection structure with second connection structure one-to-one sets up and forms the foot position that matches with the chip, and every the structure of foot position is different each other.

In one embodiment, the RFID tag antenna includes three pins, which are a symmetric pin, a flat pin, and a point-to-point pin.

In a specific embodiment, the symmetric pin includes four first feeding points arranged in central symmetry, and the first feeding points are correspondingly connected with the first connection structure and the second connection structure.

In a specific embodiment, a plurality of first supporting positions for supporting the chip to be balanced are further arranged at the symmetrical pin positions.

In one embodiment, the flat pins include a first strip feed connected to the first connection structure and a second strip feed connected to the second connection structure.

In a particular embodiment, the point-to-point pins are formed by end configurations of the first and second connection structures.

In a specific embodiment, a second supporting position for supporting the balance of the chip is arranged at the point-to-point pin position.

In a specific embodiment, each of the first bending portion and the second bending portion includes a plurality of U-shaped portions, and a free end of the U-shaped portion at an end portion is bent toward the inside.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses form the mutually different foot position of structure through first connection structure and second connection structure one-to-one between first kink and second kink, and the foot position of chip matches with the foot position of antenna to adjust the frequency based on the conjugation matching principle, continue the backscatter principle and optimize the crowd and read the performance, thereby realize that a tag antenna can match and compatible multiple UHF radio frequency label chip.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged view of the area a in fig. 1.

In the figure: 1. a first bent portion; 2. a second bent portion; 3. a first connecting structure; 31. symmetrical pin positions; 311. a first feeding point; 312. a first support position; 32. flat feet; 321. a first strip feed potential; 322. a second strip feed potential; 33. point-to-point pins; 331. a second support position; 4. a second connecting structure; 5. a pin position.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

The utility model provides a RFID radio frequency identification tag antenna of compatible multiple chip, refer to fig. 1 and fig. 2, this RFID radio frequency identification tag antenna that can compatible multiple chip includes first kink 1, second kink 2, a plurality of first connection structure 3, a plurality of second connection structure 4, wherein, first connection structure 3 is connected with first kink 1, second connection structure 4 is connected with second kink 2, and first connection structure 3 and the setting of 4 one-to-ones of second connection structure form the foot position that matches with the chip, and the structure of every foot position is different each other. That is, a plurality of pins 5 are disposed between the first bending portion 1 and the second bending portion 2, and each pin 5 is formed by a first connecting structure 3 connected to the first bending portion 1 and a second connecting structure 4 connected to the second bending portion 2. The shapes of the first connecting structures 3 are different from each other, and the second connecting structures 4 are different from each other, so that the structures of the pins 5 formed by the first connecting structures 3 and the corresponding second connecting structures 4 are different from each other, and the UHF radio frequency tag chips are matched and compatible with over 90% of UHF radio frequency tag chips on the market.

In one embodiment, the RFID tag antenna includes three pins, one pin is a symmetric pin 31, one pin is a flat pin 32, and one pin is a point-to-point pin 33, which are respectively matched with the corresponding tag chips.

In one embodiment, the symmetric pin 1 includes four first feeding points 311 disposed in a central symmetry, and the first feeding points 311 are correspondingly connected to the first connection structure 3 and the second connection structure 4. Wherein, the symmetrical pin 1 is further provided with a plurality of first supporting positions 312 for supporting the chip balance.

In one embodiment, the flat pins 32 include a first strip feed 321 connected to the first connection structure 3 and a second strip feed 322 connected to the second connection structure 4.

In one particular embodiment, point-to-point pin 33 is formed by the end configurations of first connection structure 3 and second connection structure 4. Specifically, a second supporting position 331 for supporting the chip balance is disposed at the point-to-point pin 33.

In one embodiment, each of the first folded part 1 and the second folded part 2 includes a plurality of U-shaped parts, and the free ends of the U-shaped parts at the ends are folded toward the inside. Carry out a lot of bending with first kink and second kink, when guaranteeing antenna wavelength length, reduced tag antenna's size, realized compact tag antenna's design, reached and carried out the purpose of miniaturized design with tag antenna on the basis of guaranteeing tag antenna performance to the manufacturing cost of tag antenna and the manufacturing cost of label have been saved.

According to the above embodiment, the utility model discloses set up the foot position that the structure is different each other between first kink and second kink, and the foot position of chip matches with the foot position of antenna to when the antenna design, adjust the frequency based on the conjugate matching principle, continue the backscatter principle and optimize crowd's reading performance, thereby realize that a tag antenna can match and compatible multiple UHF radio frequency label chip more than 90% even on the market. And the tag antenna can be used in intensive reading scenes such as archives, files, securities and the like.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The RFID (radio frequency identification) tag antenna compatible with various chips is characterized by comprising a first bending part, a second bending part, a plurality of first connecting structures and a plurality of second connecting structures, wherein the first connecting structures are connected with the first bending part, the second connecting structures are connected with the second bending part, the first connecting structures and the second connecting structures are arranged in a one-to-one correspondence mode and form pin positions matched with the chips, and the structures of the pin positions are different from each other.

2. The multi-chip compatible RFID tag antenna of claim 1, wherein the RFID tag antenna comprises three pins, namely a symmetrical pin, a flat pin, and a point-to-point pin.

3. The multi-chip compatible RFID tag antenna of claim 2, wherein the symmetric pin comprises four first feeding points disposed in a central symmetry, and the first feeding points are correspondingly connected to the first connecting structure and the second connecting structure.

4. The multi-chip compatible RFID tag antenna of claim 3, wherein the symmetrical pin locations further comprise a plurality of first supporting locations for supporting the chip balance.

5. The multi-chip compatible RFID tag antenna of claim 2, wherein the flat pin includes a first strip feed connected to the first connection structure and a second strip feed connected to the second connection structure.

6. The multi-chip compatible RFID radio frequency tag antenna of claim 2, wherein the point-to-point pin is formed by end configurations of the first and second connection structures.

7. The multi-chip compatible RFID tag antenna of claim 6, wherein the point-to-point pin is provided with a second supporting position for supporting chip balance.

8. The multi-chip compatible RFID tag antenna of claim 1, wherein the first bending portion and the second bending portion each comprise a plurality of U-shaped portions, and a free end of the U-shaped portion at an end portion is bent toward an inside.