CN113158702A

CN113158702A - RFID reader-writer antenna connecting rod type swinging structure

Info

Publication number: CN113158702A
Application number: CN202110546286.3A
Authority: CN
Inventors: 范京京; 吴伟锴; 林华辉; 赵晖
Original assignee: Zhejiang Junmp Technology Inc ltd
Current assignee: Zhejiang Junmp Technology Inc ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-07-23

Abstract

The invention discloses an antenna connecting rod type swinging structure of an RFID reader-writer in the technical field of mechanical structures, which comprises a swinging arm, an antenna, a driving device, a first connecting rod and a second connecting rod, wherein the antenna is embedded at the left side of the top of the swinging arm, the driving device is fixedly connected to the middle of the top of the swinging arm, the first connecting rod is fixedly connected to the outer side of the top of an output disc of the driving device, the second connecting rod is positioned at the upper right part of the first connecting rod, and the antenna connecting rod type swinging structure of the RFID reader-writer is reasonable in structural design.

Description

RFID reader-writer antenna connecting rod type swinging structure

Technical Field

The invention relates to the technical field of mechanical structures, in particular to a connecting rod type swinging structure of an RFID reader-writer antenna.

Background

The RFID is a radio frequency identification, and the principle of the RFID is that non-contact data communication is performed between a reader and a tag, so that the aim of identifying a target is fulfilled. The application of RFID is very wide, and typical applications include animal wafers, automobile wafer burglar alarms, access control, parking lot control, production line automation and material management.

When the existing RFID technology is used in application scenes of various intelligent cabinets, intelligent goods shelves and the like, when an RFID reader-writer performs inventory on RFID labels on articles, the radiation range of an antenna of the RFID reader-writer cannot completely cover the RFID labels on all the articles, so that the RFID labels on the articles outside the range cannot be read, and therefore the RFID reader-writer antenna connecting rod type swing structure is provided.

Disclosure of Invention

The invention aims to provide a connecting rod type swinging structure of an RFID reader-writer antenna, which aims to solve the problem that an RFID label on an article outside the radiation range of the RFID reader-writer antenna cannot be read in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a RFID read write line antenna connecting rod formula swing structure, includes swing arm, antenna, drive arrangement, first connecting rod and second connecting rod, the antenna is inlayed the top left side of swing arm, drive arrangement fixed connection is in the middle of the top of swing arm, first connecting rod fixed connection be in the top outside of drive arrangement output disc, the second connecting rod is located the upper right side of first connecting rod.

Preferably, the right side of the top of the swing arm is provided with a mounting rotating shaft hole, and the swing arm is made of a PCB material.

Preferably, the driving device is a right-angle speed reducing motor.

Preferably, a first through hole is formed in the right side of the top of the first connecting rod.

Preferably, a second through hole is formed in the front side of the top of the second connecting rod, a third through hole is formed in the rear side of the top of the second connecting rod, and a connecting shaft is inserted between the second through hole and the first through hole.

Compared with the prior art, the invention has the beneficial effects that: this RFID read write line antenna connecting rod formula swing structure drives first connecting rod through drive arrangement and carries out eccentric rotation, and the cooperation second connecting rod rotates, makes the swing arm carry out reciprocal swing, makes the scope of antenna radiation on the swing arm wider, avoids causing the antenna to have the blind area and can't be scanned when reading the RFID label on article.

Drawings

FIG. 1 is a schematic top view of the present invention;

fig. 2 is a schematic sectional front view of the present invention.

In the figure: 100. a swing arm; 110. mounting a rotating shaft hole; 200. an antenna; 300. a drive device; 400. a first link; 410. a first through hole; 500. a second link; 510. a second through hole; 520. a third through hole; 530. and (7) connecting the shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a link type swinging structure of an antenna of an RFID reader-writer, which avoids the problem that the antenna cannot be scanned due to a blind zone when reading an RFID label on an article, please refer to fig. 1-2, and comprises a swinging arm 100, an antenna 200, a driving device 300, a first link 400 and a second link 500;

referring to fig. 1 again, the swing arm 100 is used to connect the antenna 200, the driving device 300, the first link 400 and the second link 500;

referring again to fig. 1-2, an antenna 200 is mounted on the top left side of the swing arm 100, the antenna 200 being used to inventory RFID tags on items;

referring to fig. 1-2 again, the driving device 300 is fixedly connected to the middle of the top of the swing arm 100, and the driving device 300 is used for driving the first link 400 to rotate;

referring to fig. 1-2 again, the first link 400 is fixedly connected to the top outer side of the output disc of the driving device 300, and the first link 400 is used for rotating in cooperation with the second link 500.

Referring to fig. 1-2 again, the second link 500 is located at the upper right of the first link 400, specifically, the second link 500 is rotatably connected to the first link 400 through a connecting shaft 530, and the second link 500 is used for connecting and rotating the first link 400.

Referring to fig. 1-2 again, in order to provide a fulcrum for the arc-shaped swing of the swing arm 100 to avoid affecting the RFID rf, a mounting shaft hole 110 is formed on the right side of the top of the swing arm 100, and the swing arm 100 is made of a PCB material.

Referring again to fig. 1-2, the drive mechanism 300 is a right angle gear motor for ease of installation and placement on the swing arm 100.

Referring to fig. 1-2 again, in order to facilitate the connection and rotation between the first connecting rod 400 and the second connecting rod 500, a first through hole 410 is formed at the right side of the top of the first connecting rod 400.

Referring to fig. 1-2 again, in order to facilitate the connection and rotation between the first connecting rod 400, a second through hole 510 is formed at the front side of the top of the second connecting rod 500, a third through hole 520 is formed at the rear side of the top of the second connecting rod 500, and a connecting shaft 530 is inserted between the second through hole 510 and the first through hole 410.

When the person skilled in the art operates, the mounting rotating shaft hole 110 is matched with the rotating shaft and is mounted on the supporting plate, the third rotating shaft hole 520 is also mounted on the supporting plate through the rotating shaft, the driving device 300 is powered on, the output disc of the driving device 300 drives the first connecting rod 400 to rotate, the first connecting rod 400 and the second connecting rod 500 rotate, and the swing arm 100 is eccentrically rotated on the output disc of the driving device 300 through the first connecting rod 400 to realize reciprocating arc swing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a RFID read write line antenna connecting rod formula swing structure which characterized in that: including swing arm (100), antenna (200), drive arrangement (300), first connecting rod (400) and second connecting rod (500), antenna (200) are inlayed the top left side of swing arm (100), drive arrangement (300) fixed connection be in the middle of the top of swing arm (100), first connecting rod (400) fixed connection be in the top outside of drive arrangement (300) output disc, second connecting rod (500) are located the upper right side of first connecting rod (400).

2. The antenna link type swinging structure of the RFID reader/writer according to claim 1, characterized in that: the right side of the top of the swing arm (100) is provided with a mounting rotating shaft hole (110), and the swing arm (100) is made of a PCB material.

3. The antenna link type swinging structure of the RFID reader/writer according to claim 1, characterized in that: the driving device (300) is a right-angle speed reducing motor.

4. The antenna link type swinging structure of the RFID reader/writer according to claim 1, characterized in that: the right side of the top of the first connecting rod (400) is provided with a first through hole (410).

5. The antenna link type swinging structure of the RFID reader/writer according to claim 1, characterized in that: a second through hole (510) is formed in the front side of the top of the second connecting rod (500), a third through hole (520) is formed in the rear side of the top of the second connecting rod (500), and a connecting shaft (530) is inserted between the second through hole (510) and the first through hole (410).