CN210720583U - Test system - Google Patents
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- CN210720583U CN210720583U CN201921515888.7U CN201921515888U CN210720583U CN 210720583 U CN210720583 U CN 210720583U CN 201921515888 U CN201921515888 U CN 201921515888U CN 210720583 U CN210720583 U CN 210720583U
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Abstract
The utility model relates to a test system, include: the device comprises an annular track, a supporting device and a testing device. Wherein the supporting device is connected with the annular track in a sliding way; the testing device is arranged on the supporting device and used for measuring the radiation performance of the antenna of the tested piece positioned in the center of the circular orbit; the position changing device is arranged below the testing device and used for changing the height of the supporting device in the vertical direction and the included angle between the supporting device and the vertical direction and/or the horizontal direction. The utility model discloses in the testing process, the change that the position did not take place for the piece to be surveyed does not have the potential safety hazard such as taking place to empty, and test system security is high.
Description
Technical Field
The utility model relates to a technical field is measured to the microwave anechoic chamber, especially relates to a test system.
Background
At present, when the radiation performance of a tested piece (DUT) is tested, the tested piece is usually arranged on a turntable, and the tested piece rotates, moves in pitch, and the like along with the rotation of the turntable, so as to test the emission performance and the receiving performance of each direction of the tested piece, and obtain the radiation performance.
However, when a relatively large object to be measured, for example, an automobile, is subjected to a pitching operation as a measurement object, the pitching operation or the like tends to cause a large object to be measured, such as an automobile, to fall down, thereby causing a safety hazard.
SUMMERY OF THE UTILITY MODEL
To at least some extent overcome the above-mentioned problems in the prior art, the present invention provides a test system.
The utility model provides a test system, include: the device comprises an annular track, a supporting device and a testing device. Wherein the supporting device is connected with the annular track in a sliding way; the testing device is arranged on the supporting device and used for measuring the radiation performance of the antenna of the tested piece positioned in the center of the circular track; the position changing device is arranged below the testing device and used for changing the height of the supporting device in the vertical direction and the included angle between the supporting device and the vertical direction and/or the horizontal direction.
The embodiment of the utility model provides a be applicable to the test of large-scale quilt such as car. This type of object has a large volume and a large weight, and if the radiation performance is measured in all directions during the test, operations such as plane rotation, pitching, or lifting may be required, which may cause an accident of the object, for example, a toppling of the vehicle. Therefore, in this embodiment, the selected side member is fixed, and the position of the testing device is changed, and in this embodiment, the position is changed by:
firstly, rotating around a plane of a measured piece positioned at the position of a circle center on an annular slide rail through a supporting device;
secondly, the height of the testing device is changed by the position changing device in the vertical direction;
and thirdly, the position changing device changes the included angle between the testing device and the vertical direction/the horizontal direction.
Through the position change of the three aspects, the relative position between the testing device and the tested piece is changed, so that the transmitting performance and the receiving performance of the tested piece are comprehensively tested, and the radiation performance of the tested piece is further determined.
From the utility model discloses can see, in the testing process, though the size of being surveyed the piece such as vehicle is big, and weight is big, nevertheless because the change that does not take place the position by being surveyed the piece, consequently do not have the safety problem of taking place in the testing process such as empting, do not have the potential safety hazard, improve test system's security.
Further, in the above test system, the position changing device includes:
a pitching rotary table;
the pitching rotary table is arranged below the supporting device;
the pitching rotary table is used for enabling the testing device carried by the supporting device to perform pitching motion.
In the present embodiment, the position changing device realizes the position change of the testing device by pitching the turntable.
Further, in the above test system, the position changing device further comprises,
a lifting platform;
the lifting platform is arranged below the pitching rotary table and used for enabling the pitching rotary table and the supporting device to perform vertical lifting movement.
In this embodiment, the position changing device realizes the position change of the testing device by the elevating table.
Further, in the above test system, the test apparatus includes a reflecting surface and a feed source;
the supporting device is an integrated bracket;
the reflecting surface and the feed source are both arranged on the integrated bracket;
the feed source comprises a feed source antenna, and the phase center of the feed source antenna is positioned at the focal position of the reflecting surface.
The test apparatus in this embodiment is a compact range test, as required by the actual test situation.
Further, in the above test system, the test device is an antenna probe;
the probe is positioned on the supporting device.
The antenna probe of the test device in the embodiment is tested according to the requirements of actual test conditions.
Furthermore, in the above test system, the lifting platform includes a supporting surface and a plurality of retractable supporting rods;
the supporting surface is used for supporting the pitching rotary table;
the first end of the telescopic supporting rod is grounded;
the second end of the telescopic supporting rod is connected with the supporting surface.
This embodiment has given a concrete structure of elevating platform, carries out the altitude mixture control of vertical direction through scalable bracing piece, changes the height of testing arrangement for the piece that is surveyed. The telescopic supporting rod can be based on hydraulic power and can also be of other mechanical structures. The utility model discloses do not limit to this.
Further, in the above test system, the annular track is a circular track, a semicircular track, or an arc track.
The utility model discloses do not restrict annular orbit's shape, can be circular, semi-circular or arc, also be fan-shaped. The testing device performs circular motion on the annular track by using the antenna to be tested as the center of a circle through the supporting device.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a top view of an embodiment of a test system of the present invention;
fig. 2 is a side view of an embodiment of the testing system of the present invention;
fig. 3 is a schematic diagram of the testing device in the testing system of the present invention, which is a micro compact range.
Wherein:
1 measured part
2 circular orbit
31 feed source
32 reflective surface
4 Integrated support
5 pitching rotary table
6 lifting platform
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, 2 and 3, a preferred embodiment of the test system of the present invention is shown.
The test system of the embodiment comprises: circular track 2, integrated support 4 as a support device and a test device. Wherein, integration support 4 and circular track 2 sliding connection. The testing device is arranged on the integrated support 4 and used for measuring the radiation performance of the antenna of the tested piece 1 positioned at the center of the circular track 2.
In the present embodiment, the position changing device includes a pitching turret 5 and a lifting table 6. The pitching rotary table 5 is arranged below the integrated bracket 4; the pitching rotary table 5 is used for pitching the testing device carried by the integrated bracket 4. The elevating platform is arranged below the pitching rotary table and is used for enabling the pitching rotary table 5 and the integrated support 4 to carry out vertical elevating movement.
As can be seen from this embodiment, a position changing device including the pitching turntable 5 and the elevating platform 6 is provided below the testing device, and is used for changing the height of the integrated bracket 4 in the vertical direction and the included angle of the integrated bracket 4 with the vertical direction and/or the horizontal direction.
The embodiment of the utility model provides a be applicable to the test of large-scale quilt such as car. This type of object has a large volume and a large weight, and if the radiation performance is measured in all directions during the test, operations such as plane rotation, pitching, or lifting may be required, which may cause an accident of the object, for example, a toppling of the vehicle. Therefore, in this embodiment, the selected side member is fixed, and the position of the testing device is changed, and in this embodiment, the position is changed by:
firstly, rotating around a plane of a measured piece positioned at the position of a circle center on an annular slide rail through a supporting device;
secondly, the height of the testing device is changed by the position changing device in the vertical direction;
and thirdly, the position changing device changes the included angle between the testing device and the vertical direction/the horizontal direction.
Through the position change of the three aspects, the relative position between the testing device and the tested piece is changed, so that the transmitting performance and the receiving performance of the tested piece are comprehensively tested, and the radiation performance of the tested piece is further determined.
From the utility model discloses can see, in the testing process, though the size of being surveyed the piece such as vehicle is big, and weight is big, nevertheless because the change that does not take place the position by being surveyed the piece, consequently do not have the safety problem of taking place in the testing process such as empting, do not have the potential safety hazard, improve test system's security.
In this embodiment, a structure different from the integrated bracket shown in fig. 3 may be selected as the supporting device, which is not limited by the present invention.
Furthermore, the utility model discloses do not restrict the shape of circular orbit, for example, the circular orbit is circular orbit, semicircular track or arc track, also is fan-shaped. The testing device performs circular motion on the annular track by using the antenna to be tested as the center of a circle through the supporting device.
The structure of the testing device in the above embodiment is specifically described below.
In this embodiment, the test apparatus in this embodiment is compact, as required by the actual test situation. The testing device comprises a reflecting surface 32 and a feed source 31; the reflecting surface 32 and the feed source 31 are both arranged on the integrated bracket 4. The feed 31 includes a feed antenna (not shown) having a phase center located at a focal position of the reflecting surface.
Of course, the test device of the present invention is not limited to compact field test, and may be an antenna probe, which is also connected to the integrated bracket 4 as a supporting device.
In a preferred embodiment of the test system, the lifting table 6 comprises a support surface and a plurality of telescopic support bars; the supporting surface is used for supporting the pitching rotary table; the first end of the telescopic supporting rod is grounded; the second end of the telescopic supporting rod is connected with the supporting surface.
This embodiment has given a concrete structure of elevating platform, carries out the altitude mixture control of vertical direction through scalable bracing piece, changes the height of testing arrangement for the piece that is surveyed. The telescopic supporting rod can be based on hydraulic power and can also be of other mechanical structures. The utility model discloses do not limit to this.
The embodiment of the utility model provides a be applicable to the test of large-scale quilt such as car. In this embodiment, the mode of selecting the test device to change the position of the test device while the selected side part is stationary includes:
firstly, rotating around a plane of a measured piece positioned at the position of a circle center on an annular slide rail through a supporting device;
secondly, the height of the testing device is changed by the position changing device in the vertical direction;
and thirdly, the position changing device changes the included angle between the testing device and the vertical direction/the horizontal direction.
Through the position change of the three aspects, the relative position between the testing device and the tested piece is changed, so that the transmitting performance and the receiving performance of the tested piece are comprehensively tested, and the radiation performance of the tested piece is further determined.
From the utility model discloses can see, in the testing process, though the size of being surveyed the piece such as vehicle is big, and weight is big, nevertheless because the change that does not take place the position by being surveyed the piece, consequently do not have the safety problem of taking place in the testing process such as empting, do not have the potential safety hazard, improve test system's security.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. A test system, comprising:
an annular track;
the supporting device is connected with the annular rail in a sliding mode;
the testing device is arranged on the supporting device and used for measuring the radiation performance of the antenna of the tested piece positioned in the center of the circular track;
and the position changing device is arranged below the testing device and is used for changing the height of the supporting device in the vertical direction and the included angle between the supporting device and the vertical direction and/or the horizontal direction.
2. The test system of claim 1, wherein the position changing means comprises:
a pitching rotary table;
the pitching rotary table is arranged below the supporting device;
the pitching rotary table is used for enabling the testing device carried by the supporting device to perform pitching motion.
3. The test system of claim 2, wherein the repositioning means further comprises,
a lifting platform;
the lifting platform is arranged below the pitching rotary table and used for enabling the pitching rotary table and the supporting device to perform vertical lifting movement.
4. The test system of claim 3,
the testing device comprises a reflecting surface and a feed source;
the supporting device is an integrated bracket;
the reflecting surface and the feed source are both arranged on the integrated bracket;
the feed source comprises a feed source antenna, and the phase center of the feed source antenna is positioned at the focal position of the reflecting surface.
5. The test system of claim 3,
the testing device is an antenna probe;
the probe is positioned on the supporting device.
6. The test system according to claim 4 or 5,
the lifting platform comprises a supporting surface and a plurality of telescopic supporting rods;
the supporting surface is used for supporting the pitching rotary table;
the first end of the telescopic supporting rod is grounded;
the second end of the telescopic supporting rod is connected with the supporting surface.
7. The test system of claim 6,
the annular track is a circular track, a semicircular track or an arc track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921515888.7U CN210720583U (en) | 2019-09-12 | 2019-09-12 | Test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921515888.7U CN210720583U (en) | 2019-09-12 | 2019-09-12 | Test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210720583U true CN210720583U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921515888.7U Active CN210720583U (en) | 2019-09-12 | 2019-09-12 | Test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078967A (en) * | 2021-05-12 | 2021-07-06 | 西安易朴通讯技术有限公司 | Wi-Fi testing arrangement |
| CN117554657A (en) * | 2024-01-10 | 2024-02-13 | 中国汽车技术研究中心有限公司 | Auxiliary installation fixing device and fixing method for vehicle |
-
2019
- 2019-09-12 CN CN201921515888.7U patent/CN210720583U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078967A (en) * | 2021-05-12 | 2021-07-06 | 西安易朴通讯技术有限公司 | Wi-Fi testing arrangement |
| CN117554657A (en) * | 2024-01-10 | 2024-02-13 | 中国汽车技术研究中心有限公司 | Auxiliary installation fixing device and fixing method for vehicle |
| CN117554657B (en) * | 2024-01-10 | 2024-03-22 | 中国汽车技术研究中心有限公司 | Auxiliary installation fixing device and fixing method for vehicle |
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