CN111029716B

CN111029716B - RFID antenna device

Info

Publication number: CN111029716B
Application number: CN201911313705.8A
Authority: CN
Inventors: 李程坡; 于桂芳
Original assignee: Chongqing Yichengqiaohui Technology Co ltd
Current assignee: Chongqing Yichengqiaohui Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2022-05-03
Anticipated expiration: 2039-12-19
Also published as: CN111029716A

Abstract

The invention discloses an RFID antenna device in the technical field of antenna installation, which comprises an RFID antenna body and an antenna storage box, wherein the inner side wall of the antenna storage box is provided with a storage groove for storing the RFID antenna body, and a stretching connecting mechanism for pulling out the RFID antenna body from the outer side of the storage groove and an adjusting mechanism for vertically rotating the RFID antenna body are connected between the inner side wall of the storage groove and one side of the RFID antenna body.

Description

RFID antenna device

Technical Field

The invention relates to the technical field of antenna installation, in particular to an RFID antenna device.

Background

RFID system antennas generally fall into two broad categories, electronic tag antenna designs and reader/writer antennas. The design of the RFID system antenna with different working frequency bands has the characteristics. For LF and HF frequency bands, the system works in an inductive coupling mode, the working energy required by the electronic tag is obtained by radiating a near field by a coupling coil of a reader-writer in the inductive coupling mode, the system is generally a passive system, and the working distance is small and is not more than 1 meter. The near field of the reader-writer does not actually relate to the problem of electromagnetic wave propagation, and the antenna is simple in design.

When the existing RFID antenna is installed, the existing RFID antenna is usually only directly fixed on an installation surface, so that the antenna is difficult to radiate, inconvenient to install and disassemble and not beneficial to the transmission and receiving work of signals.

Based on this, the present invention designs an RFID antenna device to solve the above problems.

Disclosure of Invention

The present invention provides an RFID antenna device to solve the problems of the prior art that the prior RFID antenna is usually directly fixed to a mounting surface when being mounted, which is difficult to dissipate heat of the antenna, inconvenient to mount and dismount, and not beneficial to the transmission and reception of signals.

In order to achieve the purpose, the invention provides the following technical scheme: an RFID antenna device comprises an RFID antenna body and an antenna storage box, wherein a storage groove for the RFID antenna body is formed in the inner side wall of the antenna storage box, a stretching connecting mechanism for pulling the RFID antenna body out of the storage groove and an adjusting mechanism for enabling the RFID antenna body to rotate up and down are connected between the inner side wall of the storage groove and one side of the RFID antenna body, and heat dissipation grooves are uniformly formed in the side surfaces of two ends of the antenna storage box;

the stretching connecting mechanism comprises a fixed seat, a first rotating plate and a second rotating plate, one side of the fixed seat is fixed with the inner side wall of the accommodating groove, one side of the fixed seat is rotatably connected with one end of the first rotating plate, the other end of the first rotating plate is connected with one end of the second rotating plate, and the other end of the second rotating plate is rotatably connected with the connecting end of the adjusting mechanism;

the adjusting mechanism comprises a T-shaped frame, a leaning seat and a connecting plate, the connecting plate is parallel to each other and is leaned against the side surface of the RFID antenna body, one end of the leaning seat is fixed with the connecting plate, the other end of the leaning seat is fixed with one end of the T-shaped frame through a rotating pin, and one side of the T-shaped frame is connected with the stretching connecting mechanism.

Preferably, the two ends of the RFID antenna body are attached to clamping plates, one side of each clamping plate is fixed to the two ends of the corresponding connecting plate, mounting screws are inserted into the side surfaces of the clamping plates, and the clamping plates are detachably connected with the two ends of the RFID antenna body through the mounting screws in a threaded mode.

Preferably, an end plate is fixed on the outer side wall of the clamping plate, a fixing screw is inserted into the side surface of the end plate, an end groove corresponding to the end plate is formed in one side of the top of the accommodating groove, and a screw groove corresponding to the fixing screw is formed in the side surface of the end groove.

Preferably, both ends rear portion one side of antenna receiver all is fixed with the fixed plate, just spacing silk groove has been seted up to the side surface of fixed plate.

Compared with the prior art, the invention has the beneficial effects that: the invention can conveniently realize the disassembly and assembly work of the RFID antenna, and can realize the adjustment of the signal coverage range of the RFID antenna by pulling out the RFID antenna and adjusting the corner when the RFID antenna works.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is another top view of FIG. 1 in accordance with the present invention;

fig. 3 is a side view of fig. 1 of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-RFID antenna body, 2-antenna housing box, 3-housing groove, 4-fixing seat, 5-first rotating plate, 6-second rotating plate, 7-T rack, 8-leaning seat, 9-connecting plate, 10-clamping plate, 11-mounting screw, 12-end plate, 13-fixing screw, 14-end groove, 15-wire groove, 16-fixing plate, 17-limiting wire groove, 18-radiating groove.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an RFID antenna device comprises an RFID antenna body 1 and an antenna storage box 2, wherein a storage groove 3 for the RFID antenna body 1 is formed in the inner side wall of the antenna storage box 2, a stretching connecting mechanism for pulling the RFID antenna body 1 out of the storage groove 3 and an adjusting mechanism for enabling the RFID antenna body 1 to rotate up and down are connected between the inner side wall of the storage groove 3 and one side of the RFID antenna body 1, and heat dissipation grooves 18 are uniformly formed in the side surfaces of two ends of the antenna storage box 2; the heat dissipation treatment of the RFID antenna body 1 during operation can be facilitated.

When the RFID antenna body 1 is used, the RFID antenna body 1 can be connected and pulled out by the tensile connection mechanism from the receiving groove 3 in the antenna receiving case 2, and the placement angle of the RFID antenna body 1 can be adjusted by the adjustment mechanism, so that the signal stability of antenna connection can be improved as needed, and the omnidirectional signal coverage of the pulled RFID antenna body 1 can be realized.

The stretching connecting mechanism comprises a fixed seat 4, a first rotating plate 5 and a second rotating plate 6, one side of the fixed seat 4 is fixed with the inner side wall of the accommodating groove 3, one side of the fixed seat 4 is rotatably connected with one end of the first rotating plate 5, the other end of the first rotating plate 5 is connected with one end of the second rotating plate 6, and the other end of the second rotating plate 6 is rotatably connected with the connecting end of the adjusting mechanism; by pulling out the first rotating plate 5 and the second rotating plate 6 from the accommodating groove 3, the RFID antenna body 1 can be pulled out of the accommodating groove 3 conveniently, so that the covering use of the RFID antenna body 1 for signal connection is realized.

The adjusting mechanism comprises a T-shaped frame 7, a leaning seat 8 and a connecting plate 9, the connecting plate 9 is attached to the side surface of the RFID antenna body 1 in parallel, one end of the leaning seat 8 is fixed with the connecting plate 9, the other end of the leaning seat 8 is fixed with one end of the T-shaped frame 7 through a rotating pin, and one side of the T-shaped frame 7 is connected with the stretching connecting mechanism; through utilizing the swing joint between T frame 7 and the connecting plate 8, can be convenient for RFID antenna body 1 rotates around the rotating pin to the realization is to rotation regulation antenna signal coverage direction of RFID antenna body 1.

In a further embodiment, two ends of the RFID antenna body 1 are attached with clamping plates 10, one side of each clamping plate 10 is fixed to two ends of the connecting plate 9, mounting screws 11 are inserted into side surfaces of the clamping plates 10, and the clamping plates 10 are detachably connected with two ends of the RFID antenna body 1 through the mounting screws 11; the fixing and detaching work between the RFID antenna body 1 and the chucking plate 10 can be facilitated.

In a further embodiment, an end plate 12 is fixed on an outer side wall of the clamping plate 10, a fixing screw 13 is inserted into a side surface of the end plate 12, an end groove 14 corresponding to the end plate 12 is formed on one side of the top of the accommodating groove 3, and a screw groove 15 corresponding to the fixing screw 13 is formed on a side surface of the end groove 14; when the RFID antenna body 1 is inserted into the accommodation groove 3, the end plate 12 is inserted into the end groove 14, and the fixing of the RFID antenna body 1 to the antenna accommodation case 2 is achieved by using the fixing screw 13.

In a further embodiment, a fixing plate 16 is fixed on both rear sides of the antenna housing case 2, and a position-limiting screw groove 17 is formed on a side surface of the fixing plate 16; the antenna storage box 2 can be fixed to the mounting surface through the limiting screw groove 17 on the fixing plate 16 by screws conveniently.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An RFID antenna assembly, comprising: the RFID antenna comprises an RFID antenna body (1) and an antenna storage box (2), wherein an accommodating groove (3) for the RFID antenna body (1) is formed in the inner side wall of the antenna storage box (2), a stretching connecting mechanism for pulling the RFID antenna body (1) out of the outer side of the accommodating groove (3) and an adjusting mechanism for enabling the RFID antenna body (1) to rotate up and down are connected between the inner side wall of the accommodating groove (3) and one side of the RFID antenna body (1), and heat dissipation grooves (18) are uniformly formed in the side surfaces of two ends of the antenna storage box (2);

the stretching connecting mechanism comprises a fixed seat (4), a first rotating plate (5) and a second rotating plate (6), one side of the fixed seat (4) is fixed to the inner side wall of the accommodating groove (3), one side of the fixed seat (4) is rotatably connected with one end of the first rotating plate (5), the other end of the first rotating plate (5) is connected with one end of the second rotating plate (6), and the other end of the second rotating plate (6) is rotatably connected with the connecting end of the adjusting mechanism;

adjustment mechanism includes T frame (7), leans on seat (8) and connecting plate (9), what connecting plate (9) were parallel to each other pastes and leans on the side surface of RFID antenna body (1), lean on the one end of seat (8) with connecting plate (9) are fixed mutually, just lean on the other end of seat (8) through the rotating pin with the one end of T frame (7) is fixed mutually, just one side of T frame (7) with tensile coupling mechanism is connected.

2. An RFID antenna device according to claim 1, characterized in that: the RFID antenna comprises an RFID antenna body (1), wherein clamping plates (10) are attached to two ends of the RFID antenna body (1) in an attached mode, one sides of the clamping plates (10) are fixed to two ends of a connecting plate (9), mounting screws (11) are inserted into side surfaces of the clamping plates (10), and the clamping plates (10) are connected with two ends of the RFID antenna body (1) in a detachable threaded mode through the mounting screws (11).

3. An RFID antenna device according to claim 2, characterized in that: the outer side wall of the clamping plate (10) is fixed with an end plate (12), a fixing screw (13) is inserted into the side surface of the end plate (12), an end groove (14) corresponding to the end plate (12) is formed in one side of the top of the accommodating groove (3), and a thread groove (15) corresponding to the fixing screw (13) is formed in the side surface of the end groove (14).

4. An RFID antenna device according to claim 1, characterized in that: fixed plate (16) all are fixed with on one side of the both ends rear portion of antenna receiver (2), just spacing silk groove (17) have been seted up to the side surface of fixed plate (16).