CN220306507U

CN220306507U - RFID antenna

Info

Publication number: CN220306507U
Application number: CN202321614545.2U
Authority: CN
Inventors: 杨嘉峰; 赵华章
Original assignee: Zhejiang Huahe Internet Of Things Technology Co ltd
Current assignee: Zhejiang Huahe Internet Of Things Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2024-01-05
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses an RFID antenna which comprises an upper panel, a side wall and a lower panel which are sequentially arranged from top to bottom, wherein a PCB balun and a support post are arranged on the lower panel, a PCB radiation plate is fixedly arranged on the support post, the PCB balun is connected with the PCB radiation plate through a metal post, a radio frequency connector is arranged at the bottom of the PCB balun, and the PCB balun is electrically connected with the radio frequency connector. The RFID antenna has the advantages of simple structure, convenient use, convenient design and debugging and light weight, and the antenna part consists of a PCB radiation plate, a PCB balun and a radio frequency connector, wherein the PCB radiation plate adopts a spiral antenna design.

Description

RFID antenna

Technical Field

The utility model relates to the technical field of antennas, in particular to an RFID antenna.

Background

The existing RFID antenna adopts a scheme of plastic and metal floors, is poor in waterproof and dustproof effects, and meanwhile, an antenna array adopts stainless steel or aluminum design, so that the problems of heavy quality or rust and the like can be caused.

Based on the above situation, the utility model provides an RFID antenna, which can effectively solve the above problems.

Disclosure of Invention

The utility model aims to provide an RFID antenna. The RFID antenna has the advantages of simple structure, convenient use, convenient design and debugging and light weight, and the antenna part consists of a PCB radiation plate, a PCB balun and a radio frequency connector, wherein the PCB radiation plate adopts a spiral antenna design.

The utility model is realized by the following technical scheme:

the utility model provides an RFID antenna, includes top panel, side wall and the lower panel that from top to bottom set gradually, be equipped with PCB balun and pillar on the lower panel, set firmly the PCB radiation board on the pillar, PCB balun and PCB radiation board pass through the metal column and are connected, PCB balun bottom is equipped with the radio frequency connector, PCB balun and radio frequency connector electricity are connected.

Preferably, the side wall comprises a side panel and a connecting piece, clamping grooves used for being connected with the side panel are formed in two sides of the connecting piece, a through hole is formed in the middle of the connecting piece, a threaded column is arranged on the lower panel, a screw is arranged on the upper panel, and the screw penetrates through the through hole and is in threaded connection with the threaded column.

Preferably, the upper panel is a plastic panel, and the lower panel is a metal panel.

Preferably, the support is a plastic support.

Compared with the prior art, the utility model has the following advantages:

1. the antenna array adopts a PCB design, is divided into a PCB radiator and a PCB balun, and adopts metal column welding in the middle, so that the antenna performance is ensured under the condition of reducing the quality;

2. through the combination of side board and connecting piece, can improve waterproof dustproof effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic diagram of an explosive structure according to the present utility model.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

Technical features (constituent units/elements of the present utility model) such as the PCB radiating plate, the PCB balun and the radio frequency connector in the present utility model, as they are not specifically described, are obtained from conventional commercial sources or manufactured by conventional methods, and specific structures, working principles, and control modes and spatial arrangements which may be involved thereof are selected conventionally in the art, and should not be regarded as innovation points of the present utility model, but will be understood by those skilled in the art, and the present utility model is not further specifically developed.

Example 1:

as shown in fig. 1 to 2, the utility model provides an RFID antenna, which comprises an upper panel 1, a side wall 2 and a lower panel 3 which are sequentially arranged from top to bottom, wherein a PCB balun 4 and a support column 31 are arranged on the lower panel 3, a PCB radiation plate 5 is fixedly arranged on the support column 31, the PCB balun 4 is connected with the PCB radiation plate 5 through a metal column 6, a radio frequency connector 7 is arranged at the bottom of the PCB balun 4, and the PCB balun 4 is electrically connected with the radio frequency connector 7.

Example 2:

Further, in another embodiment, the side wall 2 includes a side panel 21 and a connecting member 22, two sides of the connecting member 22 are provided with a clamping groove for connecting with the side panel 21, a through hole is formed in the middle of the connecting member 22, the lower panel 3 is provided with a threaded column 32, the upper panel 1 is provided with a screw 8, and the screw 8 passes through the through hole to be in threaded connection with the threaded column 32.

Through the above structure, a better waterproof effect can be formed between the side panel 21 and the connecting piece 22, and the tightness is improved.

Further, in another embodiment, the upper panel 1 is a plastic panel, and the lower panel 3 is a metal panel.

Further, in another embodiment, the post 31 is a plastic post.

The RFID antenna of the present utility model can be easily manufactured or used by those skilled in the art based on the description of the present utility model and the accompanying drawings, and can produce the positive effects described in the present utility model.

Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional relationship indicated is based on the positional relationship indicated in the drawings, and is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the present utility model are merely for exemplary illustration and should not be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meaning of the above terms in conjunction with the drawings and according to the specific circumstances.

Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.

Claims

1. An RFID antenna, characterized by: the PCB balun is connected with the PCB radiating plate through a metal column, a radio frequency connector is arranged at the bottom of the PCB balun, and the PCB balun is electrically connected with the radio frequency connector.

2. The RFID antenna of claim 1, wherein: the side wall comprises a side panel and a connecting piece, clamping grooves used for being connected with the side panel are formed in two sides of the connecting piece, a through hole is formed in the middle of the connecting piece, a threaded column is arranged on the lower panel, a screw is arranged on the upper panel, and the screw penetrates through the through hole and is in threaded connection with the threaded column.

3. The RFID antenna of claim 1, wherein: the upper panel is a plastic panel, and the lower panel is a metal panel.

4. The RFID antenna of claim 1, wherein: the support is a plastic support.