CN113884511B - Material transmissivity test support and test system - Google Patents
Material transmissivity test support and test system Download PDFInfo
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- CN113884511B CN113884511B CN202111141961.0A CN202111141961A CN113884511B CN 113884511 B CN113884511 B CN 113884511B CN 202111141961 A CN202111141961 A CN 202111141961A CN 113884511 B CN113884511 B CN 113884511B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/225—Supports; Mounting means by structural association with other equipment or articles used in level-measurement devices, e.g. for level gauge measurement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The application relates to the technical field of transmittance testing, in particular to a material transmittance testing bracket and a material transmittance testing system. The transmissivity test support comprises a support body, a sliding rail, at least four supporting pieces and a fixing seat. The support piece is used for supporting the antenna for transmittance test, the fixing frame is used for supporting a plate to be tested, and the support piece can move along the slide rail; after the board to be tested is determined, the antenna for testing, which is not matched with the frequency band of the board to be tested, is moved to a non-testing area through the movable supporting piece, and the antenna for testing, which is matched with the frequency band of the board to be tested, is moved to a testing position to participate in the transmittance test of the board. The material transmissivity test support and the system are simple and convenient to operate, and the test efficiency and the test precision are high.
Description
Technical Field
The application relates to the technical field of transmittance testing, in particular to a material transmittance testing bracket and a material transmittance testing system.
Background
In the prior art, the conventional method for testing the transmissivity of the material has the defects of unstable testing system, complex operation, high requirement on testing environment and difficulty in quickly and accurately measuring the transmissivity of the material.
Therefore, there is a need for a material transmittance test rack to solve the above problems.
Disclosure of Invention
The application provides a material transmissivity test support and a test system, which can rapidly and accurately measure the transmissivity of a material.
In a first aspect, embodiments of the present application provide a material transmittance test rack, comprising:
the support comprises a support body, a sliding rail, at least four supporting pieces and a fixing seat;
the sliding rail is arranged on the bracket body, each supporting piece is movably arranged on the sliding rail, each supporting piece is used for supporting an antenna for transmittance test, the fixing seat is arranged on the bracket body, and the fixing seat is used for fixing a plate to be tested;
when the plate to be tested is tested, two of the transmission testing antennas slide to two sides of the fixing seat on the sliding rail through the supporting piece connected with the transmission testing antennas, one transmission testing transmitting antenna of the two transmission testing antennas is used for transmitting microwaves to the plate to be tested, and the other transmission testing receiving antenna is used for receiving the microwaves transmitted by the plate to be tested.
In one possible design, the support body includes a first support body, a second support body and a third support body, the first support body with the second support body set up in the both sides of third support body, the top of third support body is provided with supporting platform, supporting platform is used for supporting the fixing base.
In one possible design, the first bracket body and the second bracket body are symmetrical to each other with respect to the third bracket body, and each of the first bracket body and the second bracket body includes two supporting frames extending in a vertical direction, one second supporting frame extending in a vertical direction, a first beam disposed between the two supporting frames, and a second beam disposed between the first beam and the second supporting frame;
the sliding rail is arranged on the first cross beam and the second cross beam.
In one possible design, the support comprises a support plate and four rollers, the four rollers being arranged at the bottom of the support plate;
the supporting plate is used for supporting the antenna for transmittance testing, and the supporting piece slides along the sliding rail through four rollers.
In one possible design, the track gauge of the portion of the sliding rail located on the first beam and the track gauge of the portion located on the second beam are identical, and the connecting line of the four rollers is square.
In one possible design, the third support body includes two split structures that the symmetry set up, two split structures all include the third crossbeam with supporting platform, one of them the third crossbeam with first support body integrated into one piece, another the third crossbeam with second support body integrated into one piece, the third crossbeam is used for supporting platform's lower extreme, one side at supporting platform top support in on the second support frame.
In one possible design, the rack body further comprises a plurality of identical fourth rack bodies for supporting and heightening the first rack body, the second rack body and the third rack body.
In one possible design, the holder comprises a case, a handle, an adjustment assembly, and a mount;
the box body is arranged on the supporting platform, the handle is arranged on the box body, the adjusting component is arranged in the box body, the fixing frame is arranged on the box body, the fixing frame comprises a bottom edge and two side edges which are vertically arranged on the bottom edge, and grooves for fixing the plates to be tested are formed in the inner sides of the bottom edge and the side edges;
the handle, the adjusting component and the fixing frame are sequentially connected, and the adjusting component and the fixing frame are driven to move by rotating the handle so as to drive the plate to be tested to rotate.
In a second aspect, embodiments of the present application provide a material transmittance testing system, comprising:
the system comprises a computer, a vector network analyzer, an antenna for transmittance test and a transmittance test bracket;
the computer, the vector network analyzer and the antenna for the transmittance test are electrically connected in sequence, and the antenna for the transmittance test is movably arranged on the transmittance test bracket;
the transmittance test rack is any one of the possible designs described above.
As can be seen from the above-mentioned scheme, the present embodiment provides a transmittance test stand and a system, wherein the transmittance test stand is composed of a stand body, a sliding rail, at least four supporting members and a fixing base. The support piece is used for supporting an antenna for transmittance testing, the fixing frame is used for supporting a board to be tested, the support piece can move along the slide rail, after the board to be tested is determined, the antenna for testing which is not matched with the frequency band of the board to be tested is moved to a non-testing area through moving the support piece, the antenna for testing which is matched with the frequency band of the board to be tested is moved to a testing position, and transmittance testing of the board is participated. The material transmissivity test support and the system are simple and convenient to operate, and high in test efficiency and test precision.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a transmittance test rack provided by an embodiment of the present application;
FIG. 2 is a schematic view of a portion of a stent body according to an embodiment of the present application;
FIG. 3 is a schematic view of a sliding rail according to an embodiment of the present application;
FIG. 4 is a schematic view of a support member provided in accordance with an embodiment of the present application;
FIG. 5 is a schematic view of a fixing base according to an embodiment of the present application;
fig. 6 is a schematic diagram of a transmittance testing system according to an embodiment of the present application.
Reference numerals:
1-a bracket body;
11-a first stent body;
111-a first support frame;
112-a second support frame;
113-a first cross beam;
114-a second beam;
12-a second stent body;
13-a third stent body;
131-supporting a platform;
132-a third cross beam;
14-a fourth stent body;
2-sliding rails;
3-a support;
31-a support plate;
32-a roller;
33-a gasket;
4-fixing seats;
41-a box body;
42-handle;
43-an adjustment assembly;
44-a fixing frame;
441-bottom edge;
442-side;
443-grooves;
5-antennas;
51-transmitting antenna;
52-receiving antennas.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Detailed Description
The present application will be described in detail below with reference to the drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
In the description of embodiments of the present application, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, it should be understood that the terms "upper", "lower", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
In the related art, a far field irradiation method or a focusing lens test method is often used for the transmittance test. The far field irradiation method is easily influenced by the testing environment, and the testing system is complex and has higher cost; the focusing lens test method is susceptible to the bandwidth of the test antenna, and requires frequent movement of the test host, thereby affecting the stability of the test system.
In order to solve the technical problem, a test support of which the test antenna can be freely switched between a test area and a non-test area can be considered, so that the efficiency and the accuracy of transmittance test can be improved.
As shown in fig. 1, the high transmittance test rack provided by the embodiment of the application comprises a rack body 1, a slide rail 2, at least four supporting pieces 3 and a fixing seat 4, wherein:
the slide rail is arranged on the bracket body 1, each supporting piece 3 is movably arranged on the slide rail 2, each supporting piece 3 is used for supporting an antenna 5 for transmittance test, the fixed seat 4 is arranged on the bracket body 1, and the fixed seat 4 is used for fixing a board to be tested;
when the board to be tested is tested, two of the two transmission test antennas 5 slide on the slide rail 2 to two sides of the fixed seat 4 through the supporting piece 3 connected with the two transmission test antennas, one transmission test transmitting antenna 51 of the two transmission test antennas 5 is used for transmitting microwaves to the board to be tested, and the other transmission test receiving antenna 52 is used for receiving the microwaves transmitted by the board to be tested.
According to the transmissivity testing support, the sliding rail 2 and the movable supporting piece 3 are arranged, so that the working position of the testing antenna is unchanged, the position of the vector network analyzer connected with the testing antenna is not required to be moved during testing, the stability of a testing system is further guaranteed, and the testing precision of the transmissivity of the plate is improved. In addition, the supporting piece 3 drives the test antenna 5 with different frequency bands to switch between the test area and the non-test area, so that the disassembly and assembly process between the antenna and the supporting piece can be omitted, and the operation is simple and the test efficiency is high. Therefore, the transmissivity test support provided by the application can improve the efficiency and the precision of transmissivity test.
It should be noted that the number of the supporting members 3 is not specifically limited, the number of the supporting members 3 needs to be determined according to the frequency range of the board to be tested, and the number of the antennas for testing is determined according to the frequency range of the board, and each antenna corresponds to one supporting member. For example, for a plate with a frequency range of 2-18GHZ, three pairs of antennas with frequency ranges of 2-4 GHZ, 4-8 GHZ and 8-18 GHZ are required to be arranged, and 6 supporting pieces are required to be arranged correspondingly. In addition, the materials of the bracket body 1, the slide rail 2 and the support member 3 are not particularly limited, for example, the materials of the bracket body 1, the slide rail 2 and the support member 3 may be stainless steel, and the bracket is attractive in appearance and high in use strength.
In some embodiments, as shown in fig. 1 and 2, the bracket body 1 includes a first bracket body 11, a second bracket body 12, and a third bracket body 13, the first bracket body 11 and the second bracket body 12 are disposed on two sides of the third bracket body 13, and a support platform 131 is disposed on the top of the third bracket body 13, where the support platform 131 is used to support the fixing base 4.
In this embodiment, the bracket body 1 is of a split structure, so as to facilitate manufacturing, carrying and use.
It should be noted that the support body 1 mainly plays a supporting role, and the present application does not specifically limit the shape structure of the support body, for example, the first support body 11 and the second support body 12 may be designed in a T shape to meet the requirement of stability.
In some embodiments, as shown in fig. 1 and 2, the first bracket body 11 and the second bracket body 12 are symmetrical to each other with respect to the third bracket body 13, and each of the first bracket body 11 and the second bracket body 12 includes two first supporting frames 111 extending in a vertical direction, one second supporting frame 112 extending in a vertical direction, a first cross beam 113 disposed between the two first supporting frames 111, and a second cross beam 114 disposed between the first cross beam 113 and the second supporting frames 112; the slide rails are provided on the first beam 113 and the second beam 114. The first support 111 and the second support 112 have the same height, so that the levelness of the first beam 113 and the second beam 114 is ensured, and the levelness of the sliding rail is further ensured.
In this embodiment, the first bracket body 11, the second bracket body 12 and the third bracket body 13 may be spliced into an i-shaped structure, where the area where the third bracket body 13 and the second beam 114 are located is a test area, and the area where the first beam 113 is located is a non-test area. When the transmissivity test is performed, the fixing base 4 is fixed on the supporting platform 131 of the third bracket body 13, then the board to be tested is fixed on the fixing base 4, finally the antenna which is not matched with the frequency domain of the board to be tested is moved to a non-test area through the supporting piece 3, the antenna which is matched with the frequency domain of the board to be tested is moved to the working positions on two sides of the board to be tested through the supporting piece 3, the test angle of the board to be tested is adjusted, and the test is started.
It should be noted that, the first supporting frame 111 and the second supporting frame 112 are formed by alternatively combining and connecting different numbers of vertical rods, cross rods and diagonal rods, the combination structure is not limited specifically herein, and the vertical rods, the cross rods and the diagonal rods can be square rods, round rods or any other shapes, so long as the supporting frame can be ensured to have higher stability.
In some embodiments, as shown in fig. 4, the support 3 includes a support plate 31 and four rollers 32, the four rollers 32 being disposed at the bottom of the support plate 31; the support plate 31 is used for supporting the antenna 5 for transmittance test, and the support 3 slides along the slide rail 2 by four rollers 32.
In this embodiment, four rollers 32 are required to be rotationally flexible to drive the support plate 31 to move in any direction. Further, gaskets 33 may be further disposed between the four rollers 32 and the supporting plate 31 to ensure tight connection between the rollers 32 and the supporting plate 31 and prolong the service life.
In some embodiments, as shown in fig. 3 and 4, the track gauge of the portion of the sliding rail 2 located at the first beam 113 and the portion located at the second beam 114 are the same, and the line connecting the four rollers 32 is square.
In this embodiment, the track width between the four rollers 32 is the same as the track width of the slide rail, so as to ensure that the center line of the support member 3 and the axis of the slide rail 2 are on the same straight line at any time, and further ensure that the support member 3 stably slides according to a preset route.
In some embodiments, as shown in fig. 2, the third bracket body 13 includes two split structures that are symmetrically disposed, where each of the two split structures includes a third beam 132 and a supporting platform 131, where one third beam 132 is integrally formed with the first bracket body 11, and the other third beam 132 is integrally formed with the second bracket body 12, so as to ensure stability of the third bracket body 13. The third beam 132 is used for supporting the lower end of the supporting platform 131, and one side of the top of the supporting platform 131 is supported on the second supporting frame 112.
The support platform 131 may be L-shaped or any shape such as T-shaped, so long as the support fixing base 4 can be stably supported, and the shape of the support platform is not particularly limited in the present application.
In some embodiments, as shown in fig. 1 and 2, the stand body 1 further includes a plurality of identical fourth stand bodies 14, and the fourth stand bodies 14 are used to support and heighten the first stand body 11, the second stand body 12, and the third stand body 13.
In this embodiment, the fourth bracket body 14 is composed of a plurality of uprights and cross bars, the cross-sectional dimension of the fourth bracket body is the same as the cross-sectional dimensions of the first supporting frame 111 and the second supporting frame 112, and the fourth bracket body is detachably connected to the first bracket body 11, the second bracket body 12 and the third bracket body 13, for example, can be connected by bolts, so as to facilitate transportation and storage.
In some embodiments, as shown in fig. 5, the holder 4 includes a case 41, a handle 42, an adjustment assembly 43, and a mount 44; the box body 41 is arranged on the supporting platform 131, the handle 42 is arranged on the box body 41, the adjusting component 43 (not shown in the figure) is arranged in the box body 41, the fixing frame 44 is arranged on the box body 41, the fixing frame 44 comprises a bottom edge 441 and two side edges 442 which are vertically arranged on the bottom edge, and grooves 443 for fixing a board to be tested are formed in the inner sides of the bottom edge 441 and the side edges 442; the handle 42, the adjusting component 43 and the fixing frame 44 are sequentially connected, and the handle 42 is rotated to drive the adjusting component 43 and the fixing frame 44 to move so as to drive the board to be tested to rotate.
In this embodiment, the handle 42 is turned to drive the adjusting component 43 and the fixing frame 44 to move, so that the board to be tested mounted on the fixing frame 44 can freely rotate along any angle in the horizontal direction, the center of the board and the Jiao Xin of the antenna for testing can be ensured to be in a straight line, and therefore the accuracy of the transmittance measurement result is ensured.
It should be noted that, at least a worm, a turbine and a speed reducer are required to be disposed in the adjusting component 43, which is used for multi-angle rotation of the plate and ensuring the accuracy of adjustment, and the specific structure of the adjusting component 43 is common knowledge in the art, and the application will not be repeated.
As shown in fig. 6, the present application also provides such a transmittance test system, which includes: the system comprises a computer, a vector network analyzer, an antenna for transmittance test and a transmittance test bracket;
the computer, the vector network analyzer and the antenna for the transmittance test are electrically connected in sequence, and the antenna for the transmittance test is movably arranged on the transmittance test bracket;
the transmittance test rack is the transmittance test rack of any one of the above embodiments.
According to the transmissivity testing system provided by the application, due to the adoption of the transmissivity testing bracket, the working position of the testing antenna can be kept unchanged, so that the position of the vector network analyzer connected with the testing antenna does not need to be moved during testing, the stability and the simplicity of the testing system are further ensured, and the testing precision of the transmissivity of the plate is further improved. The following describes the testing procedure of the transmittance testing system in a specific embodiment:
s1, according to the frequency range of a plate to be tested, moving an antenna which is not matched with the frequency range of the plate to be tested to a non-test area through a supporting plate, and moving the antenna which is matched with the frequency range of the plate to be tested to a test position;
s2, starting up, preheating and checking the test vector network analyzer;
s3, measuring wave-transmitting power of an air medium;
s4, mounting the plate to be tested on a fixed seat, and adjusting the test angle according to the requirement;
and S5, measuring the transmission power of the plate in the same state, and obtaining the transmittance of the test plate through calculation processing of a computer.
The transmittance measurement system is used for measuring the transmittance of the plate, and is simple to operate and high in transmittance measurement precision.
It is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of additional identical elements in a process, method, article or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (4)
1. A transmittance-testing bracket, comprising: the support comprises a support body (1), a sliding rail (2), at least four supporting pieces (3) and a fixing seat (4);
the sliding rail (2) is arranged on the bracket body (1), each supporting piece (3) is movably arranged on the sliding rail (2), each supporting piece (3) is used for supporting an antenna (5) for transmittance test, the fixing seat (4) is arranged on the bracket body (1), and the fixing seat (4) is used for fixing a plate to be tested;
when the sheet to be tested is tested, two of the transmission test antennas (5) slide to two sides of the fixed seat (4) on the sliding rail (2) through the supporting piece (3) connected with the transmission test antennas, one transmission test transmitting antenna (51) of the two transmission test antennas (5) is used for transmitting microwaves to the sheet to be tested, and the other transmission test receiving antenna (52) is used for receiving the microwaves transmitted by the sheet to be tested;
the support body (1) comprises a first support body (11), a second support body (12) and a third support body (13), wherein the first support body (11) and the second support body (12) are arranged on two sides of the third support body (13), a supporting platform (131) is arranged at the top of the third support body (13), and the supporting platform (131) is used for supporting the fixing seat (4);
the first bracket body (11) and the second bracket body (12) are of symmetrical structures relative to the third bracket body (13), and the first bracket body (11) and the second bracket body (12) comprise two first supporting frames (111) extending along the vertical direction, one second supporting frame (112) extending along the vertical direction, a first cross beam (113) arranged between the two first supporting frames (111) and a second cross beam (114) arranged between the first cross beam (113) and the second supporting frames (112);
the sliding rail is arranged on the first cross beam (113) and the second cross beam (114);
the support piece (3) comprises a support plate (31) and four rollers (32), and the four rollers (32) are arranged at the bottom of the support plate (31);
the supporting plate (31) is used for supporting the antenna (5) for transmittance test, and the supporting piece (3) slides along the sliding rail (2) through four rollers (32);
the track gauges of the part of the sliding rail (2) positioned on the first cross beam (113) and the part of the sliding rail positioned on the second cross beam (114) are the same, and the connecting lines of the four rollers (32) are square;
the third bracket body (13) comprises two split structures which are symmetrically arranged, wherein the two split structures comprise a third cross beam (132) and a supporting platform (131), one of the third cross beam (132) and the first bracket body (11) are integrally formed, the other third cross beam (132) and the second bracket body (12) are integrally formed, the third cross beam (132) is used for supporting the lower end of the supporting platform (131), and one side of the top of the supporting platform (131) is supported on the second supporting frame (112);
the first bracket body (11), the second bracket body (12) and the third bracket body (13) can be spliced into an I-shaped structure, wherein the area where the third bracket body (13) and the second cross beam (114) are positioned is a test area, and the area where the first cross beam (113) is positioned is a non-test area; when the transmissivity test is carried out, the fixing base (4) is fixed on the supporting platform (131) of the third bracket body (13), then the board to be tested is fixed on the fixing base (4), finally the antenna which is not matched with the frequency domain of the board to be tested is moved to a non-test area through the supporting piece (3), the antenna which is matched with the frequency domain of the board to be tested is moved to the working positions on two sides of the board to be tested through the supporting piece (3), the test angle of the board to be tested is adjusted, and the test is started.
2. The transmittance test rack according to claim 1, wherein the rack body (1) further comprises a plurality of identical fourth rack bodies (14), the fourth rack bodies (14) being used for supporting and elevating the first rack body (11), the second rack body (12) and the third rack body (13).
3. The transmittance test rack according to any one of claims 1-2, wherein the holder (4) comprises a housing (41), a handle (42), an adjustment assembly (43) and a mount (44);
the box body (41) is arranged on the supporting platform (131), the handle (42) is arranged on the box body (41), the adjusting component (43) is arranged in the box body (41), the fixing frame (44) is arranged on the box body (41), the fixing frame (44) comprises a bottom edge (441) and two side edges (442) which are vertically arranged on the bottom edge, and grooves (443) for fixing the plates to be tested are formed in the inner sides of the bottom edge (441) and the side edges (442);
the handle (42), the adjusting component (43) and the fixing frame (44) are sequentially connected, and the adjusting component (43) and the fixing frame (44) are driven to move by rotating the handle (42) so as to drive the plate to be tested to rotate.
4. The transmissivity testing system is characterized by comprising a computer, a vector network analyzer, an antenna for transmissivity testing and a transmissivity testing bracket;
the computer, the vector network analyzer and the antenna for the transmittance test are electrically connected in sequence, and the antenna for the transmittance test is movably arranged on the transmittance test bracket;
the transmittance test rack is the transmittance test rack as recited in any one of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111141961.0A CN113884511B (en) | 2021-09-28 | 2021-09-28 | Material transmissivity test support and test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111141961.0A CN113884511B (en) | 2021-09-28 | 2021-09-28 | Material transmissivity test support and test system |
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| CN113884511A CN113884511A (en) | 2022-01-04 |
| CN113884511B true CN113884511B (en) | 2023-09-29 |
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