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855MHz radio frequency module of on-board PCB antenna

A PCB antenna and radio frequency module technology, applied in the field of 855MHz radio frequency module, can solve the problems of low production cost, high profile, low gain, etc., and achieve the effect of improving uniform symmetry, increasing communication distance, and increasing antenna gain

Active Publication Date: 2014-04-23
ZKS IOT TECH CROP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Now PCB printing board (printed circuit board) is used as the radiation unit structure, which uses a solid planar vibrator arm, which has the following problems: low gain, narrow bandwidth, high profile, unsatisfactory third-order intermodulation index, these problems As a result, the communication quality in the service area cannot be guaranteed
[0006] In a low-power, short-distance wireless sensor network system or active RFID system, because of the small size of the product, an antenna design with a small system, low price, and a communication distance as far as possible is required. The PCB antenna has the largest volume among the above-mentioned antenna types. Small, low production cost, but the communication distance is generally smaller than other antennas

Method used

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  • 855MHz radio frequency module of on-board PCB antenna
  • 855MHz radio frequency module of on-board PCB antenna

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Embodiment 1

[0027] In the warehousing active RFID design system, each warehouse is generally divided into a cargo storage area and an aisle. In the aisle, forklifts can pass through. The RF module installed on the forklift can communicate with a RF module mounted on each piece of goods to achieve fast The function of inventory and finding goods; before the implementation of the present invention, the radio frequency module on the forklift in the aisle can only communicate with the radio frequency module mounted on the goods within 20m. After adopting the technical scheme of the present invention, due to the antenna gain Increase, effectively increase the communication distance, the RF module installed on the forklift can communicate with the module within 30m, so that the system can be adapted to larger and higher warehouses.

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Abstract

The invention relates to a PCB circuit board, in particular to a 855MHz radio frequency module of on-board PCB antenna. The 855MHz radio frequency module of on-board PCB antenna comprises a PCB substrate, a radio frequency transceiving module arranged on the PCB substrate, a balanced-unbalanced circuit, an antenna, an antenna gain module, wherein the radio frequency transceiving module through the balanced-unbalanced circuit is connected with the antenna gain module which is connected with the antenna. According to the 855MHz radio frequency module of on-board PCB antenna, unit number is changed to realize different gain, and the antenna has advantages of high efficiency, stable and reliable performance, low cast, etc.

Description

Technical field [0001] The invention relates to a PCB circuit board, in particular to a 855MHz radio frequency module with an onboard PCB antenna. Background technique [0002] The functions of PCB (Printed Circuit Board) generally include: 1. Provide mechanical support for the fixing and assembly of various electronic components such as integrated circuits; 2. Realize wiring and electrical connections between various electronic components such as integrated circuits (Signal transmission) or electrical insulation. Provide the required electrical characteristics, such as characteristic impedance. [0003] The antenna is a kind of energy converter. When transmitting, it converts the high-frequency current of the transmitter into space electromagnetic waves; when receiving, it converts the electromagnetic waves intercepted from space into high-frequency currents and sends them to the receiver. Antenna design is an important part of the design of a low-power, short-distance wireless...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/24H01Q23/00
Inventor 林克坚蔡旭东姜惠启许广俊
Owner ZKS IOT TECH CROP