CN108761219B - Test tool and test method for TBOX antenna directivity pattern - Google Patents
Test tool and test method for TBOX antenna directivity pattern Download PDFInfo
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- CN108761219B CN108761219B CN201810870403.XA CN201810870403A CN108761219B CN 108761219 B CN108761219 B CN 108761219B CN 201810870403 A CN201810870403 A CN 201810870403A CN 108761219 B CN108761219 B CN 108761219B
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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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Abstract
The invention discloses a test tool and a test method for a TBOX antenna directivity pattern, and the test tool comprises a test antenna, a receiver electrically connected with the test antenna, a bottom plate and a transverse and longitudinal movement adjusting mechanism arranged on the bottom plate and used for driving the test antenna to move in a transverse and longitudinal arc shape. The test tool structure and the test method thereof are simple and easy to operate, and can effectively obtain the required antenna directivity pattern.
Description
Technical Field
The invention belongs to the technical field of electromagnetic testing, and particularly relates to a TBOX antenna directivity pattern testing tool and a TBOX antenna directivity pattern testing method.
Background
The TBOX antenna directivity diagram test directly influences the TBOX communication effect, the conventional OTS open field method test only can test a two-dimensional diagram at present, the electromagnetic wave emission condition of an antenna in a space cannot be truly reflected, meanwhile, EM32 generation 8 software of an R & S company supports three-dimensional dynamic directivity diagram calculation on software, and therefore the three-dimensional antenna directivity diagram of the TBOX can be well tested as long as an applicable tool is designed.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a test tool and a test method for a TBOX antenna directivity pattern, and aims to facilitate the test of the TBOX three-dimensional antenna directivity pattern.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a test fixture of TBOX antenna directivity pattern, includes the receiver that test antenna and test antenna electricity are connected, the frock still includes the bottom plate and locates the horizontal longitudinal movement adjustment mechanism that is used for driving test antenna horizontal, vertical arc shape and removes on the bottom plate.
The transverse and longitudinal movement adjusting mechanism comprises an arc-shaped vertical guide rail, a first sliding block and an arc-shaped transverse guide rail, the bottom end of the arc-shaped vertical guide rail is fixed on the bottom plate, the arc-shaped transverse guide rail is connected with the arc-shaped vertical guide rail in a sliding mode through the first sliding block, and the test antenna is connected with the arc-shaped transverse guide rail in a sliding mode through the second sliding block.
One end of the first sliding block is connected with the outer end face of the arc transverse guide rail, the other end of the first sliding block is clamped on the arc vertical guide rail, and the first sliding block can slide along the track of the arc vertical guide rail.
The connecting end of the first sliding block and the arc-shaped vertical guide rail is provided with a guide groove.
The second sliding block is connected with the inner side wall of the arc transverse guide rail, and the second sliding block can move along the arc track of the inner side wall in the circumferential direction of the arc transverse guide rail.
The second slider is detachably connected with the test antenna.
The arc-shaped vertical guide rail is a semi-arc-shaped vertical guide rail.
The bottom plate is of an arc-shaped structure.
The bottom plate is made of metal materials.
The invention also provides a test method of the test tool, which comprises the following steps:
sliding a test antenna along the track of an arc transverse guide rail to test transverse plane electromagnetic signals;
sliding the arc transverse guide rail along the arc vertical guide rail to test a longitudinal plane electromagnetic signal;
and step three, synthesizing the transverse plane electromagnetic signals and the longitudinal plane electromagnetic signals to form a three-dimensional antenna directivity pattern.
The invention has the beneficial effects that: according to the invention, through the design of the arc transverse guide rail, the test antenna moves along the X plane in an arc track to test transverse plane electromagnetic signals; through the design of the semi-arc vertical guide rail, the arc transverse guide rail and the test antenna move in a semi-arc track along the Y plane to test electromagnetic signals of the longitudinal plane, and then complete signals are synthesized through software to form a three-dimensional frequency spectrum antenna directional diagram. The test tool structure and the test method thereof are simple and easy to operate, and the required antenna directivity pattern can be effectively obtained.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the circular arc cross rail and the bottom plate.
Labeled as:
1. the test antenna comprises a test antenna body, a bottom plate, a base plate, a.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 2, the invention specifically relates to a test fixture for a TBOX antenna directivity pattern, which comprises a test antenna 1 and a receiver electrically connected with the test antenna 1, and further comprises a bottom plate 2 and a transverse and longitudinal movement adjusting mechanism arranged on the bottom plate 2 and used for driving the test antenna 1 to move in a transverse and longitudinal arc shape. The bottom plate preferably adopts a circular arc structure. The bottom plate with the arc-shaped structure is preferably made of metal materials. This floor was simulated for use with a metal floor.
The transverse and longitudinal movement adjusting mechanism comprises an arc-shaped vertical guide rail 3, a first slider 4 and an arc-shaped transverse guide rail 5, the bottom end of the arc-shaped vertical guide rail 5 is fixed on the bottom plate 2, the arc-shaped transverse guide rail 5 is in sliding connection with the arc-shaped vertical guide rail 3 through the first slider 4, and the test antenna 1 is in sliding connection with the arc-shaped transverse guide rail 5 through the second slider 6. The arc vertical guide rail preferably adopts a semi-arc vertical guide rail, the track of the arc transverse guide rail is arc-shaped, so that the test antenna can move on an X plane along the arc-shaped track, and when the arc transverse guide rail moves along the semi-arc vertical guide rail through the first sliding block, the test antenna moves on a Y plane along the semi-arc track.
In order to avoid causing great interference phenomenon in the motion process of the test antenna, one end of the first sliding block 4 is connected with the outer end face of the arc transverse guide rail 5, the other end of the first sliding block 4 is clamped on the arc vertical guide rail 3, and the first sliding block 4 can slide along the track of the arc vertical guide rail 3. Preferably, the connecting end of the first slider 4 and the arc vertical guide rail 3 is provided with a guide groove, the upper side of the guide groove is of an oblique outward concave structure, and the lower side of the guide groove is also of an oblique outward concave structure, so that the first slider can slide along the arc vertical guide rail conveniently, and interference is avoided when sliding up and down.
The second slider 6 is connected with the inner side wall of the circular arc cross guide rail 5, and the second slider 6 can move along the circular arc track of the circumferential inner side wall of the circular arc cross guide rail 5. By the arrangement mode, when the second sliding block moves to the position of the first sliding block along the circular-arc transverse guide rail, the second sliding block and the first sliding block are prevented from causing interference, and the test antenna can conveniently move along the track of the circular-arc transverse guide rail. The second slider 6 is preferably connected to the test antenna 1 in a detachable manner. For example, clamping connection, detachable threaded connection and the like are adopted, so that the test antenna can be conveniently mounted and detached.
When the test device is implemented, the TBOX is normally installed in a vehicle, the vehicle is stopped on the rotary table, the semi-arc vertical guide rail is arranged beside the rotary table, the arc transverse guide rail is connected to the semi-arc vertical guide rail, then the test antenna is installed on the lower side of the arc transverse guide rail, the test antenna performs arc motion on the arc guide rail and performs up-and-down motion on the semi-arc vertical guide rail, and the effect of spatial three-dimensional test is achieved.
The test method of the test tool specifically comprises the following steps:
sliding a test antenna along the track of an arc transverse guide rail to test transverse plane electromagnetic signals;
sliding the arc transverse guide rail along the arc vertical guide rail to test a longitudinal plane electromagnetic signal;
and step three, synthesizing the transverse plane electromagnetic signals and the longitudinal plane electromagnetic signals to form a three-dimensional antenna directivity pattern.
As a preferred test embodiment, a 10M semi-arc vertical guide rail and a 5M arc transverse guide rail are adopted, a vehicle is placed at the central point of a 60M metal arc bottom plate serving as the ground, and a test antenna is transmitted to a receiver through a cable. During testing, the test antenna moves along the sliding track of the arc transverse guide rail, an X-plane electromagnetic signal is measured, and a Y-plane electromagnetic signal is measured through the position of the arc transverse guide rail sliding 2 on the arc vertical guide rail 1; and finally, synthesizing the complete signal through EMC32 software to form a three-dimensional frequency spectrum antenna directional pattern.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (7)
1. A TBOX antenna directivity pattern's test fixture, includes test antenna (1) and the electrically connected receiver of test antenna, characterized by: the tool further comprises a bottom plate (2) and a transverse and longitudinal movement adjusting mechanism which is arranged on the bottom plate (2) and used for driving the test antenna to move in a transverse and longitudinal arc shape;
the transverse and longitudinal movement adjusting mechanism comprises an arc-shaped vertical guide rail (3), a first sliding block (4) and an arc-shaped transverse guide rail (5), the bottom end of the arc-shaped vertical guide rail (3) is fixed on the bottom plate (2), the arc-shaped transverse guide rail (5) is in sliding connection with the arc-shaped vertical guide rail (3) through the first sliding block (4), and the test antenna (1) is in sliding connection with the arc-shaped transverse guide rail (5) through a second sliding block (6);
one end of the first sliding block (4) is connected with the outer end face of the arc transverse guide rail (5), the other end of the first sliding block (4) is clamped on the arc vertical guide rail (3), and the first sliding block (4) can slide along the track of the arc vertical guide rail (3);
the second slider (6) is connected with the inner side wall of the circular arc transverse guide rail (5), and the second slider (6) can move along the circular arc track of the circumferential inner side wall of the circular arc transverse guide rail (5), so that the test antenna can move on an X plane along the circular arc track, and when the circular arc transverse guide rail moves along the semi-arc vertical guide rail through the first slider, the test antenna moves on a Y plane along the semi-arc track.
2. The test fixture of TBOX antenna directivity pattern of claim 1, characterized in that: and a guide groove is formed at the connecting end of the first sliding block (4) and the arc-shaped vertical guide rail (3).
3. The test fixture of TBOX antenna directivity pattern of claim 1, characterized in that: the second sliding block (6) is detachably connected with the test antenna (1).
4. The test fixture of TBOX antenna directivity pattern of claim 1, characterized in that: the arc-shaped vertical guide rail (3) is a semi-arc-shaped vertical guide rail.
5. The test fixture of TBOX antenna directivity pattern of claim 1, characterized in that: the bottom plate (2) is of an arc-shaped structure.
6. The test fixture of TBOX antenna directivity pattern of claim 1, characterized in that: the bottom plate (2) is made of metal materials.
7. The test method of the test tool according to any one of claims 1 to 6, comprising the steps of:
the method comprises the following steps that firstly, a test antenna (1) slides along the track of an arc transverse guide rail (5) to test transverse plane electromagnetic signals;
sliding the arc transverse guide rail (5) along the arc vertical guide rail (3) to test the longitudinal plane electromagnetic signal;
and step three, synthesizing the transverse plane electromagnetic signals and the longitudinal plane electromagnetic signals to form a three-dimensional antenna directivity pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870403.XA CN108761219B (en) | 2018-08-02 | 2018-08-02 | Test tool and test method for TBOX antenna directivity pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870403.XA CN108761219B (en) | 2018-08-02 | 2018-08-02 | Test tool and test method for TBOX antenna directivity pattern |
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| Publication Number | Publication Date |
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| CN108761219A CN108761219A (en) | 2018-11-06 |
| CN108761219B true CN108761219B (en) | 2020-11-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104038294B (en) * | 2013-03-06 | 2016-12-28 | 光宝电子(广州)有限公司 | Wireless test system and apply its measuring method |
| CN103630761B (en) * | 2013-11-20 | 2017-06-23 | 中国电子科技集团公司第四十一研究所 | A kind of Multi probe sphere near field passage calibrating installation and method |
| CN206258584U (en) * | 2016-12-16 | 2017-06-16 | 广州广电计量检测股份有限公司 | A kind of OTA darkrooms self-checking device |
| CN108241095B (en) * | 2016-12-23 | 2023-11-17 | 深圳市新益技术有限公司 | Multi-probe and single-probe comprehensive test system and test method |
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Address after: 241000 No. 8 Building, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Applicant after: Chery Commercial Vehicles (Anhui) Co., Ltd. Address before: 241009 Changchun Road, Wuhu economic and Technological Development Zone, Wuhu, Anhui Province, No. 16 Applicant before: Chery Commercial Vehicles (Anhui) Co., Ltd. |
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Effective date of registration: 20240412 Address after: 241000 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee after: CHERY AUTOMOBILE Co.,Ltd. Country or region after: China Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. Country or region before: China |
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