Search

CN-224232188-U - RFID reading distance testing device

CN224232188UCN 224232188 UCN224232188 UCN 224232188UCN-224232188-U

Abstract

The utility model relates to an RFID reading distance testing device which comprises an RFID reader-writer, a pipeline, a plate and a tag. The pipeline is formed by assembling short pipe units with shielding layers through connecting pieces, one end of the pipeline is provided with an RFID reader, the middle of the pipeline is provided with a limiting opening, the test board is detachably arranged on the limiting part, and a multi-number label is arranged on the test board. The device adopts a modularized design, and has the advantages of high space utilization rate, adjustable pipeline length, adaptation to different test scenes, effective shielding of external interference by a closed structure, improvement of test precision, support of multi-label parallel test, and rapid adaptation to different label types by replacing a preset label plate. The device realizes the controllability of the test environment, the standardization of the operation flow and the high efficiency of the equipment multiplexing, and remarkably improves the accuracy and the efficiency of the RFID equipment test.

Inventors

  • RAO CHENGYUN
  • DING CHENG
  • HONG DINGMOU
  • LUO SHIRUI

Assignees

  • 福建新大陆自动识别技术有限公司

Dates

Publication Date
20260512
Application Date
20250617

Claims (10)

  1. 1. The RFID reading distance testing device comprises an RFID reader-writer (10), a pipeline (20), a plate (30) and a tag (40), wherein the RFID reader-writer (10) is arranged at one end of the pipeline (20), and the tag (40) is arranged on the plate (30), and is characterized in that a limiting part is arranged in the middle of the pipeline (20), and the plate (30) is detachably arranged in the limiting part; The limiting part comprises a first opening (21) formed in the upper portion of the pipeline (20), and the pipeline (20) is composed of short pipe units (24) through connecting pieces (50).
  2. 2. An RFID range-finding testing device according to claim 1, characterized in that the surface of the pipe (20) is provided with a shielding layer (23).
  3. 3. The RFID reading distance testing device according to claim 1, wherein the limiting portion further comprises a second opening (22) formed in the lower portion of the pipeline (20), the axial length of the first opening (21) is larger than that of the second opening (22), or a clamping groove is formed in the inner wall of the lower portion corresponding to the first opening (21).
  4. 4. An RFID readability test arrangement according to claim 1, wherein the sheet material (30) is of a height above the upper edge of the duct (20).
  5. 5. A RFID range-finding testing device according to any one of claims 1 or 3, characterized in that the first opening (21) is rectangular and the outer contour of the sheet (30) is shaped in a specific way according to the opening of the duct (20).
  6. 6. An RFID readability test arrangement according to any one of claims 1 or 4, wherein said sheets (30) are equally spaced apart at predetermined intervals.
  7. 7. An RFID reading distance testing device according to claim 1, characterized in that the sheet material (30) is provided with a plurality of labels (40), each label (40) being provided with a corresponding number.
  8. 8. An RFID range-finding testing device according to claim 1, characterized in that the bottom of the pipe (20) is provided with a pipe support (60).
  9. 9. An RFID range finder device according to any one of claims 1 or 4, wherein the sheet material (30) has a width smaller than the inner diameter of the tube (20) and a bottom resembling a "V".
  10. 10. An RFID range-finding testing device according to claim 1, characterized in that the RFID reader (10) is arranged on a holder (70).

Description

RFID reading distance testing device Technical Field The utility model relates to the technical field of machinery, in particular to an RFID (radio frequency identification) reading distance testing device. Background The RFID technology is based on the principle of radio frequency signal and space coupling transmission, and can realize automatic identification of objects by wirelessly acquiring tag information through a reader-writer, and is widely applied to the fields of logistics, manufacturing industry, asset management and the like. The reading distance is defined as the furthest distance of the readable tag under the specified transmitting power as a key index for evaluating the performance of the reader-writer. The traditional test method has the advantages that the labels are fixed, the positions of the readers and writers are adjusted under set power until the maximum effective reading and writing distance is reached, but the method has the obvious defects that firstly, the readers and writers are required to be repeatedly moved in the test process, and particularly, the requirements on the field space are strict for a scene with an ultra-long distance of more than 20 meters, and secondly, positioning deviation and environmental interference caused by movement, such as electromagnetic fluctuation and object shielding, can reduce the consistency and reliability of test results and influence the accuracy of performance evaluation. Disclosure of utility model Therefore, the technical problem to be solved by the utility model is to provide the RFID reading distance testing device which is small in technical environment variable and capable of effectively improving the testing accuracy aiming at the fact that the testing distance and the testing environment are harsh and difficult to meet in the prior art. In order to solve the technical problems, the utility model adopts the technical scheme that: The RFID reading distance testing device comprises an RFID reader-writer, a pipeline, a plate and a label, wherein the RFID reader-writer is arranged at one end of the pipeline, and the label is arranged on the plate; The limiting part comprises a first opening formed in the upper portion of the pipeline, and the pipeline is composed of short pipe units through connecting pieces. Further, a shielding layer is arranged on the surface of the pipeline. Further, the limiting part also comprises a second opening which is arranged at the lower part of the pipeline, the axial length of the first opening is larger than that of the second opening, or a clamping groove is arranged on the inner wall of the lower part corresponding to the first opening. Further, the sheet height exceeds the upper edge of the duct. Further, the first opening is rectangular, and the outer contour of the plate is shaped into a special shape according to the pipeline opening. Further, the plates are equidistantly arranged at predetermined intervals, wherein the center distance between adjacent plates is not less than 1 meter. Further, the plate is provided with a plurality of labels, and each label is provided with a corresponding number. Further, a pipeline bracket is arranged at the bottom of the pipeline. Further, the width of the plate is smaller than the inner diameter of the pipeline, and the bottom is similar to a V shape. Further, the RFID reader-writer is arranged on the retainer. The invention has the following beneficial effects: 1. The RFID reading distance testing device provided by the utility model adopts an integrated structural design, has the characteristics of small space occupation and low cost, remarkably improves the measurement accuracy by controlling external interference through a closed testing environment, can be compatible with multiple different kinds of tag reading, supports multiple sample parallel testing, and is suitable for multiple readers. 2. According to the RFID reading distance testing device provided by the utility model, the shielding layer is arranged on the surface of the pipeline and is used for forming the electromagnetic closed cavity in the pipeline so as to inhibit the interference of radio frequency signals on the testing result due to factors such as refraction and the like. The opening or the clamping groove of the pipeline is arranged to ensure that each sheet material can be placed in place smoothly, so that the operation is convenient. The pipeline adopts the modularized design, is formed by quick assembly of short pipe units through connecting pieces, can flexibly expand the length according to the test requirements, and is suitable for test scenes of different scales. 3. According to the RFID reading distance testing device, the plurality of testing panels with the labels are arranged in the signal channel, the limiting parts are arranged on the inner wall of the channel corresponding to the positions of each testing panel, the equidistant distribution of the panels is ensured, and the