CN108594027B - Multi-radiation-unit antenna test box and test method - Google Patents
Multi-radiation-unit antenna test box and test method Download PDFInfo
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- CN108594027B CN108594027B CN201810263977.0A CN201810263977A CN108594027B CN 108594027 B CN108594027 B CN 108594027B CN 201810263977 A CN201810263977 A CN 201810263977A CN 108594027 B CN108594027 B CN 108594027B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
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Abstract
The invention relates to a multi-radiation unit antenna test box and a test method, wherein the test box comprises a test box main body and a plurality of antenna placing racks, the test box main body comprises a box body and a box cover, the box cover is used for opening or closing the test box main body, the test box main body forms a sealing structure after the box cover is closed, the antenna placing racks are used for placing multi-radiation unit antennas, the antenna placing racks comprise placing plates and adjusting rods, the adjusting rods are perpendicular to the placing plates and the lower ends of the adjusting rods are fixed on the placing plates, the adjusting rods are movably connected with the box body, the adjusting rods are used for adjusting the height of the placing plates, and a height comparison device is further arranged on the test box main body and is used for displaying the change of the relative heights between the antenna placing racks and the box body. The invention can test the influence of the height of the multi-radiation unit antenna in the vertical direction on the antenna performance, the height of the antenna is convenient to adjust, the relative height is visual to read, and the height comparison device can judge whether the two antenna placing racks are positioned at the same horizontal position or not, so that the use is convenient.
Description
Technical Field
The invention belongs to the field of antenna performance test, and particularly relates to a multi-radiation-unit antenna test box and a test method.
Background
The conventional antenna performance testing device can only detect the influence of the position of the antenna in the horizontal direction on the antenna performance, but cannot test the influence of the height of the antenna in the vertical direction on the antenna performance, and the conventional antenna performance testing device is generally aimed at a single annular antenna and has no testing equipment aimed at a multi-radiation-unit antenna.
Disclosure of Invention
The invention aims to provide a multi-radiation-unit antenna test box and a test method.
The technical scheme for solving the technical problems is as follows:
the utility model provides a many radiating element antenna test box, includes test box main part and a plurality of antenna rack, antenna rack number is the same with the radiating element quantity of antenna, test box main part includes box and case lid, the case lid is used for opening or closing test box main part, after the case lid is closed test box main part forms seal structure, antenna rack is used for placing many radiating element antenna, antenna rack is including placing the board and adjusting the pole, adjust the pole and place the board perpendicular and the lower extreme is fixed on placing the board, adjust pole and box swing joint, adjust the pole and be used for adjusting the height of placing the board, still be provided with high contrast device in the test box main part, high contrast device is used for showing the change of the relative height between antenna rack and the box.
Further, the lower half part of the adjusting rod is in threaded connection with the top plate of the box body, the upper half part of the adjusting rod extends out of the box body, scale marks are marked on the outer surface in the vertical direction, and the scale marks are used for displaying the distance between the placing plate and the box body.
Further, the height comparison device comprises a horizontal plate and two supporting plates, the horizontal plate and the two supporting plates form pi-shaped, the horizontal plate is parallel to the upper surface of the box body, the supporting plates are used for fixing the horizontal plate on the upper surface of the box body, a plurality of through holes are formed in the horizontal plate, and the upper end of the adjusting rod penetrates through the through holes in the horizontal plate.
Further, the main body of the test box is made of acrylic materials.
The method for testing by using the multi-radiation-unit antenna test box is characterized by comprising the following steps of:
s1, placing a plurality of RFID tags at the bottom of a main body of a test box, respectively placing a plurality of radiating units of a multi-radiating-unit antenna on a plurality of antenna placing frames, and placing an RFID reader outside the main body of the test box;
s2, adjusting the height of the antenna placing frame to be a first height, recording the numerical value of the first height, reading RFID tags by using an RFID reader, and recording the number of the read tags to be a first number;
s2, adjusting the height of the antenna placing frame to be a second height, recording the numerical value of the second height, reading RFID tags by using an RFID reader, and recording the number of the read tags to be a second number;
and step S3, repeating the step S2 to obtain a plurality of antenna rack height values and corresponding RFID tag reading quantity, and calculating the corresponding relation between the antenna rack height values and the RFID tag reading quantity.
The beneficial effects of the invention are as follows: according to the invention, aiming at the antenna with a plurality of radiating units, the influence of the height of the antenna in the vertical direction on the antenna performance can be tested, the height of the antenna is convenient to adjust, the relative height is intuitively read, and whether the two antenna placing racks are positioned at the same horizontal position or not can be judged through the height comparison device, so that the use is convenient.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural diagram of a symmetric loop antenna;
in the drawings, the list of components represented by the various numbers is as follows:
1. a case; 2. a case cover; 3. placing a plate; 4. an adjusting rod; 5. a horizontal plate; 6. a support plate; 7. RFID reader
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1, a multi-radiation-unit antenna test box comprises a test box body and a plurality of antenna placing racks, the number of the antenna placing racks is the same as the number of radiation units of an antenna, the test box body comprises a box body 1 and a box cover 2, the box cover 2 is used for opening or closing the test box body, the box cover 2 is closed, the test box body forms a sealing structure, the antenna placing racks are used for placing multi-radiation-unit antennas, the antenna placing racks comprise a placing plate 3 and an adjusting rod 4, the adjusting rod 4 is perpendicular to the placing plate 3 and fixed on the placing plate 3 at the lower end, the adjusting rod 4 is movably connected with the box body 1, the adjusting rod 4 is used for adjusting the height of the placing plate 3, and a height comparison device is further arranged on the test box body and is used for displaying the change of the relative height between the antenna placing racks and the box body 1. In this embodiment, the multi-radiating-element antenna is a symmetrical loop antenna with two radiating elements, as shown in fig. 2, and the symmetrical loop antenna includes 2 loop antenna elements, so that the radiation performance is better than that of a common single loop antenna.
The lower half part of the adjusting rod 4 is in threaded connection with the top plate of the box body 1, the upper half part of the adjusting rod 4 extends out of the box body, scale marks are marked on the outer surface in the vertical direction, and the scale marks are used for displaying the distance between the placing plate 3 and the box body 1.
The height comparison device comprises a horizontal plate 5 and two support plates 6, wherein the horizontal plate 5 and the two support plates 6 form pi-shaped, the horizontal plate 5 is parallel to the upper surface of the box body 1, the support plates 6 are used for fixing the horizontal plate 5 on the upper surface of the box body 1, a plurality of through holes are formed in the horizontal plate 5, and the upper end of the adjusting rod 4 penetrates through the through holes in the horizontal plate 5.
Further, the main body of the test box is made of acrylic materials.
The method for testing by using the multi-radiation-unit antenna test box comprises the following steps:
step S1, opening a box cover, placing a plurality of RFID labels at the bottom of a main body of a test box, respectively placing a plurality of radiating units of a multi-radiating-unit antenna on a plurality of antenna placing racks, closing the box cover, placing an RFID reader outside the main body of the test box, and simultaneously connecting the RFID reader with a PC;
in this embodiment, the multiple radiating element antenna is a symmetrical loop antenna with two radiating elements, and the number of antenna holders and the number of radiating elements of the antenna are both 2, and when in use, two ends of the symmetrical loop antenna are respectively placed on the two antenna holders.
S2, adjusting the height of the antenna placing frame to be a first height, recording the numerical value of the first height, reading RFID tags by using an RFID reader, and recording the number of the read tags by using a PC;
s2, adjusting the height of the antenna placing frame to be a second height, recording the numerical value of the second height, reading RFID tags by using an RFID reader, and recording the number of the read tags to be a second number by using a PC;
and step S3, repeating the step S2 to obtain a plurality of antenna rack height values and corresponding RFID tag reading quantity, and calculating the corresponding relation between the antenna rack height values and the RFID tag reading quantity.
The test object of the invention is an antenna with a plurality of radiating units, the distance between the antenna with the plurality of radiating units and the top plate of the test box can be adjusted, the influence of the height of the antenna in the vertical direction on the antenna performance can be tested, the height of the antenna placing rack can be adjusted by rotating the adjusting rod, the height of the antenna with the plurality of radiating units can be adjusted, the upper half part of the adjusting rod is marked with scales and penetrates through the horizontal plate, the relative height is read intuitively, and whether the two antenna placing racks are at the same horizontal position can be judged through the horizontal plate, so that the use is convenient.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (1)
1. The method for testing by utilizing the multi-radiation unit antenna test box is characterized in that the multi-radiation unit antenna test box comprises a test box body and a plurality of antenna placing frames, the number of the antenna placing frames is the same as that of the radiation units of the antennas, the test box body comprises a box body (1) and a box cover (2), the box cover (2) is used for opening or closing the test box body, the test box body forms a sealing structure after the box cover (2) is closed, the antenna placing frames are used for placing the multi-radiation unit antennas, the height of the antenna placing frames is adjustable, and a height comparison device is further arranged on the test box body and is used for displaying the change of the relative heights of the antenna placing frames; the antenna rack comprises a placing plate (3) and an adjusting rod (4), wherein the adjusting rod (4) is perpendicular to the placing plate (3) and the lower end of the adjusting rod is fixed on the placing plate (3), the adjusting rod (4) is movably connected with a top plate of the box body (1), the adjusting rod (4) is used for adjusting the distance between the placing plate (3) and the top plate of the box body (1), the lower half part of the adjusting rod (4) is in threaded connection with the top plate of the box body (1), the upper half part of the adjusting rod (4) extends out of the box body and the scale marks are marked on the outer surface in the vertical direction, and the scale marks are used for displaying the distance between the placing plate (3) and the box body (1);
the testing method comprises the following steps:
s1, placing a plurality of RFID tags at the bottom of a main body of a test box, respectively placing a plurality of radiating units of a multi-radiating-unit antenna on a plurality of antenna placing frames, and placing an RFID reader outside the main body of the test box;
s2, adjusting the height of the antenna placing frame to be a first height, recording the numerical value of the first height, reading RFID tags by using an RFID reader, and recording the number of the read tags to be a first number;
s3, adjusting the height of the antenna placing frame to be a second height, recording the numerical value of the second height, reading RFID tags by using an RFID reader, and recording the number of the read tags to be a second number;
and S4, repeating the steps S2 and S3 to obtain a plurality of antenna rack height values and corresponding RFID tag reading quantity, and calculating the corresponding relation between the antenna rack height values and the RFID tag reading quantity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810263977.0A CN108594027B (en) | 2018-03-28 | 2018-03-28 | Multi-radiation-unit antenna test box and test method |
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| CN201810263977.0A CN108594027B (en) | 2018-03-28 | 2018-03-28 | Multi-radiation-unit antenna test box and test method |
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| CN108594027A CN108594027A (en) | 2018-09-28 |
| CN108594027B true CN108594027B (en) | 2023-05-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9502748B2 (en) * | 2014-07-18 | 2016-11-22 | Auden Techno Corp. | Holder for antenna testing |
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2018
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| JP2006275839A (en) * | 2005-03-30 | 2006-10-12 | Osaka Prefecture | Position detection system and position detection method for rfid tag |
| CN101750553A (en) * | 2008-12-10 | 2010-06-23 | 中国科学院自动化研究所 | Benchmark testing system and method for RFID label operating level |
| CN101782608A (en) * | 2009-11-11 | 2010-07-21 | 中国科学院自动化研究所 | Radio frequency identification device (RFID) label response frequency standard test system and method |
| CN201729832U (en) * | 2010-06-11 | 2011-02-02 | 北京工业大学 | Irradiation device for studying mobile phone electromagnetic radiation carcinogenic effect |
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