CN112216952A - Arch frame device for detecting reflectivity of wave-absorbing material and detection method thereof - Google Patents
Arch frame device for detecting reflectivity of wave-absorbing material and detection method thereof Download PDFInfo
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- CN112216952A CN112216952A CN202011090346.7A CN202011090346A CN112216952A CN 112216952 A CN112216952 A CN 112216952A CN 202011090346 A CN202011090346 A CN 202011090346A CN 112216952 A CN112216952 A CN 112216952A
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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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
- H01Q1/1242—Rigid masts specially adapted for supporting an aerial
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
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Abstract
The invention discloses an arch frame device for detecting the reflectivity of a wave-absorbing material, which comprises a supporting component, a rotating component, a length adjusting component and a fixing component, wherein the rotating component is arranged at the upper part of the supporting component, the rotating component is connected with the length adjusting component, and the fixing component is arranged at the side part of the length adjusting component. In the invention, the supporting component is used for supporting the whole body, the rotating component is used for adjusting the angles of the transmitting antenna and the absorbing antenna, the length adjusting component is used for adjusting the heights of the transmitting antenna and the absorbing antenna and the distance between the transmitting antenna and the absorbing antenna, and the fixing component is used for fixing the transmitting antenna and the absorbing antenna.
Description
Technical Field
The invention relates to the technical field of wave-absorbing material detection, in particular to an arch frame device for detecting the reflectivity of a wave-absorbing material, and also relates to a method for detecting the reflectivity of the wave-absorbing material.
Background
In recent years, with the rapid development of the electromagnetic compatibility measurement technology and the antenna measurement technology, the demands for the electromagnetic compatibility darkroom and the antenna measurement darkroom are increasing. In order to reduce multipath reflection in the electromagnetic compatibility measurement and antenna measurement processes, radio frequency wave absorbing materials are attached to the inner walls and ceilings or all wall surfaces of the electromagnetic compatibility darkroom and the antenna darkroom. The radio frequency wave-absorbing material can absorb and attenuate radio frequency electromagnetic waves projected on the surface of the material, and convert the electromagnetic energy into heat energy to be dissipated or eliminate the electromagnetic waves due to interference. As the performance of the radio frequency wave-absorbing material directly influences the performance of the electromagnetic compatibility darkroom and the antenna darkroom, the performance of the used radio frequency wave-absorbing material needs to be tested and evaluated in the construction process of the darkroom in order to ensure that the field performance of the darkroom and the measurement environment meet the actual use requirements. The absorption and attenuation performance of the radio frequency wave-absorbing material to the electromagnetic waves is represented by the reflectivity of the radio frequency wave-absorbing material, so that before the radio frequency wave-absorbing material leaves a factory, a wave-absorbing material manufacturer can measure the reflectivity of the radio frequency wave-absorbing material.
When the reflectivity of the wave-absorbing material is tested, the transmitting antenna and the absorbing antenna are fixed by the arch frame, the wave-absorbing material is coated on the surface side of the good conductor plate to form a wave-absorbing material plate, the transmitting antenna sends out electromagnetic waves to the good conductor plate or the wave-absorbing material plate, the receiving wire absorbs the electromagnetic waves reflected by the good conductor plate or the wave-absorbing material plate to obtain a wave-absorbing material frequency domain reflection waveform and a good conductor plate frequency domain reflection waveform, and the reflectivity of the tested wave-absorbing material can be calculated.
The arch frame is used as a main carrier for fixing the transmitting antenna and the absorbing antenna, generally only can meet the use requirement of the antenna with a specific model, and the positions of the transmitting antenna and the absorbing antenna cannot be adjusted according to actual requirements, so that the application range of the arch frame is small, and the arch frame is not beneficial to use.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problem that the positions of the absorption antenna and the emission wire are difficult to adjust and are not beneficial to the subsequent detection of the reflectivity in the use process of the existing arch frame.
(II) technical scheme
In order to achieve the above object, the present invention adopts the following technical solutions, wherein the arch frame device for detecting the reflectivity of the wave-absorbing material comprises a supporting component, a rotating component, a length adjusting component and a fixing component, the rotating component is mounted on the upper portion of the supporting component, the rotating component is connected with the length adjusting component, and the fixing component is mounted on the side portion of the length adjusting component, wherein:
the supporting component comprises a base and two pairs of vertical rods, the two pairs of vertical rods are arranged on the upper part of the base, and a cover plate is arranged between each pair of vertical rods;
the rotary assembly comprises a rotary table bottom plate, a first driving piece and a rotary shaft plate, the rotary table bottom plate is arranged at the upper part of the upright rod, the first driving piece is arranged at the upper part of the rotary table bottom plate, and the rotary shaft plate is arranged at the output end of the first driving piece in a transmission manner;
the length adjusting assemblies are in one-to-one correspondence with the rotating assemblies and comprise fixing grooves, guide rails, second driving pieces, screw rods and guide rods, the fixing grooves are mounted on the side portions of the rotating shaft plates, the guide rails are mounted on the inner sides of the fixing grooves, one ends of the guide rails are provided with connecting plates, the other ends of the guide rails are sleeved with nylon guide blocks, the second driving pieces are mounted on the side portions of the connecting plates, the screw rods are mounted at the output ends of the second driving pieces in a transmission mode, the screw rods penetrate through the middle portions of the connecting plates and are connected with the guide rods, and the guide rods are slidably mounted inside the guide rails;
the fixing assemblies are arranged in two, the fixing assemblies correspond to the length adjusting assemblies one by one, each fixing assembly comprises a fine adjustment piece, a supporting rod and an antenna fixing piece, the fine adjustment pieces are installed at the end portions of the guide rods, the supporting rods are installed at the side portions of the fine adjustment pieces, and the antenna fixing pieces are installed at the side portions of the supporting rods.
As a preferable technical scheme of the invention, the base comprises two cross rods and two vertical rods, the two cross rods are arranged between the two vertical rods, the two pairs of vertical rods are arranged on the upper parts of the two cross rods, and a crosspiece is arranged between the two vertical rods.
As a preferred technical solution of the present invention, the first driving member includes a motor, a driving gear, a driven gear and a rotating shaft, the motor is installed at a side portion of the turntable base plate, the driving gear is installed at an output end of the motor, the rotating shaft is installed at a side portion of the rotating shaft plate, the driven gear is keyed on an outer side of the rotating shaft, and the driving gear is engaged with the driven gear.
As a preferable technical solution of the present invention, the guide rail includes a first outer rail and a second outer rail, the first outer rail is installed at an inner side of the fixing groove, the second outer rail is installed at an inner side of the fixing groove, the first outer rail and the second outer rail are oppositely disposed, a brace is installed between a side wall of the first outer rail and a side wall of the second outer rail, and a reinforcing plate is installed between the first outer rail and the second outer rail.
As a preferable technical scheme of the invention, a first thread section matched with the screw rod is arranged inside the guide rod, and a second thread section matched with the screw rod is arranged in the middle of the connecting plate.
As a preferable technical solution of the present invention, the fine adjustment member includes a support plate, a sleeve and a locking screw, the support plate is mounted at an end of the guide rod, the sleeve is mounted at a side portion of the support plate, the support rod is slidably mounted inside the sleeve, the locking screw is threadedly connected to the side portion of the sleeve, and the locking screw is abutted against the side portion of the support rod.
As a preferred technical solution of the present invention, the antenna fixing member includes a fixing sleeve, a fixing block, and a fixing plate, the fixing sleeve is fixed to a side portion of the supporting rod, the fixing block is mounted at a lower portion of the fixing sleeve, and the fixing plate is mounted at a lower portion of the fixing block.
In addition, the invention also provides a detection method for the reflectivity of the wave-absorbing material, which specifically comprises the following steps:
s1, firstly, fixing the transmitting antenna on the side of one antenna fixing piece, fixing the absorbing antenna on the side of the other antenna fixing piece, placing the good body guide plate coated with the wave-absorbing material on the ground close to the side of the base, and finely adjusting the positions of the transmitting antenna and the absorbing antenna through a fine adjusting piece;
s2, operating the rotating assembly, driving the rotating shaft plate to rotate through the operation of the first driving piece, driving the length adjusting assembly to rotate through the rotation of the rotating shaft plate, further driving the fixing assembly to rotate, and adjusting the angles of the transmitting antenna and the absorbing antenna;
s3, the length adjusting assembly operates, the lead screw is driven to rotate through the operation of the second driving piece, the guide rod is driven to slide on the inner side of the guide rail under the limiting and guiding of the guide rail, and then the fixing assembly is driven to move, so that the heights of the transmitting antenna and the absorbing antenna are adjusted;
and S4, measuring the reflectivity, namely, operating the transmitting antenna and the absorbing antenna on the basis of the step S2 and the step S3, namely measuring the reflectivity of the absorbing material at different positions and different angles.
(III) advantageous effects
1. The supporting component of the arch frame device for detecting the reflectivity of the wave-absorbing material can effectively and stably support the rotating component, the length adjusting component and the fixing component;
2. according to the arch frame device for detecting the reflectivity of the wave-absorbing material, the rotation component operates, the rotation shaft plate is driven to rotate through the operation of the first driving piece, and then the fixing groove is driven to rotate, so that the angles of the transmitting antenna and the absorbing antenna are adjusted;
3. according to the arch frame device for detecting the reflectivity of the wave-absorbing material, the length adjusting assembly drives the screw rod to rotate through the operation of the second driving piece, and the guide rod slides on the inner side of the guide rail under the guiding and limiting of the guide rail, so that the heights of the transmitting antenna and the absorbing antenna and the distance between the transmitting antenna and the absorbing antenna are adjusted;
4. the fixing component of the arch-shaped frame device for detecting the reflectivity of the wave-absorbing material can effectively fix the absorbing antenna and the transmitting antenna.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a first perspective of the present invention;
FIG. 2 is a schematic view of a second perspective of the present invention;
FIG. 3 is an isometric view of the support assembly of the present invention;
FIG. 4 is an isometric view of the rotating assembly of the present invention;
FIG. 5 is a schematic view of a first perspective of the length adjustment assembly of the present invention;
FIG. 6 is a schematic view of a second perspective of the length adjustment assembly of the present invention;
FIG. 7 is a schematic view of the connecting structure of the guide rod, the screw rod and the connecting plate of the present invention;
FIG. 8 is a schematic view of the securing assembly of the present invention;
fig. 9 is a schematic view of the antenna fixing member structure of the present invention.
In the figure: 100. a support assembly; 110. a base; 111. a cross bar; 112. a vertical rod; 113. a crosspiece; 120. erecting a rod; 130. a cover plate; 200. a rotating assembly; 210. a turntable floor; 220. a first driving member; 221. a motor; 222. a driving gear; 223. a driven gear; 224. a rotating shaft; 230. a rotating shaft plate; 300. a length adjustment assembly; 310. fixing grooves; 320. a guide rail; 321. a first outer rail; 322. a second outer rail; 323. bracing; 324. a reinforcing plate; 330. a second driving member; 340. a screw rod; 350. a guide bar; 351. a first thread segment; 360. a connecting plate; 361. a second thread segment; 370. a nylon guide block; 400. a fixing assembly; 410. a fine adjustment member; 411. a support plate; 412. a sleeve; 413. locking the screw; 420. a support bar; 430. an antenna fixing member; 431. fixing a sleeve; 432. a fixed block; 433. and (7) fixing the plate.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "longitudinal", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1 to 9, an arch frame device for detecting reflectivity of a wave-absorbing material comprises a support assembly 100, a rotating assembly 200, a length adjusting assembly 300 and a fixing assembly 400, wherein the rotating assembly 200 is mounted at an upper portion of the support assembly 100, the rotating assembly 200 is connected with the length adjusting assembly 300, the fixing assembly 400 is mounted at a side portion of the length adjusting assembly 300, and wherein:
the supporting assembly 100 comprises a base 110 and two pairs of vertical rods 120, wherein the two pairs of vertical rods 120 are both arranged at the upper part of the base 110, a cover plate 130 is arranged between each pair of vertical rods 120, and the cover plate 130 is used for shielding the part between the vertical rods 120;
the number of the rotating assemblies 200 is two, each rotating assembly 200 comprises a turntable base plate 210, a first driving member 220 and a rotating shaft plate 230, the turntable base plate 210 is mounted on the upper portion of the vertical rod 120, the first driving member 220 is mounted on the upper portion of the turntable base plate 210, and the rotating shaft plate 230 is mounted at the output end of the first driving member 220 in a transmission manner, so that when the device is used in detail, the rotating shaft plate 230 is driven to rotate by the operation of the first driving member 220, and further, the length adjusting assembly 300 is driven to rotate;
the length adjusting assemblies 300 are provided with two length adjusting assemblies 300, the length adjusting assemblies 300 correspond to the rotating assemblies 200 one by one, each length adjusting assembly 300 comprises a fixing groove 310, a guide rail 320, a second driving piece 330, a screw rod 340 and guide rods 350, the fixing groove 310 is installed on the side portion of the rotating shaft plate 230, the guide rail 320 is installed on the inner side of the fixing groove 310, a connecting plate 360 is installed at one end of the guide rail 320, a nylon guide block 370 is sleeved at the other end of the guide rail 320, the second driving piece 330 is installed on the side portion of the connecting plate 360, the second driving piece 330 is set to be a servo motor, the screw rod 340 is installed at the output end of the second driving piece 330 in a transmission manner, the screw rod 340 penetrates through the middle portion of the connecting plate 360 and is connected with the guide rods 350, the outer wall of the guide rods 350 is a smooth surface, the guide rods 350 are installed inside the guide, thereby driving the fixing component 400 to move and realizing the length adjustment;
the fixing assembly 400 is provided with two, the fixing assembly 400 corresponds to the length adjusting assembly 300 one by one, the fixing assembly 400 comprises a fine adjustment piece 410, a support rod 420 and an antenna fixing piece 430, the fine adjustment piece 410 is installed at the end part of the guide rod 350, the support rod 420 is installed at the side part of the fine adjustment piece 410, the antenna fixing piece 430 is installed at the side part of the support rod 420, during specific use, fine adjustment of the distance can be achieved through the fine adjustment piece 410, and the transmitting antenna and the absorbing antenna can be fixed through the antenna fixing piece 430 in a simple and convenient manner.
Specifically, the base 110 includes two cross bars 111 and two vertical bars 112, the two cross bars 111 are installed between the two vertical bars 112, the two pairs of vertical bars 120 are installed on the upper portions of the two cross bars 111, a crosspiece 113 is installed between the two vertical bars 120, and the crosspiece 113 performs hard limit on the rotation angle.
Specifically, the first driving member 220 includes a motor 221, a driving gear 222, a driven gear 223 and a rotating shaft 224, the motor 221 is installed at a side portion of the turntable base plate 210, the driving gear 222 is installed at an output end of the motor 221, the rotating shaft 224 is installed at a side portion of the rotating shaft plate 230, the driven gear 223 is connected to an outer side of the rotating shaft 224 in a key manner, the driving gear 222 is engaged with the driven gear 223, the driving gear 222 is driven to rotate through operation of the motor 221, and then the driven gear 223 and the rotating shaft 224 are driven to rotate.
Specifically, the guide rail 320 includes a first outer rail 321 and a second outer rail 322, the first outer rail 321 is installed inside the fixing groove 310, the second outer rail 322 is installed inside the fixing groove 310, the first outer rail 321 and the second outer rail 322 are oppositely disposed, a brace 323 is installed between a side wall of the first outer rail 321 and a side wall of the second outer rail 322, the brace 323 is disposed in a recessed shape, the brace 323 increases the connection strength between the side wall of the first outer rail 321 and the side wall of the second outer rail 322, a reinforcing plate 324 is installed between the first outer rail 321 and the second outer rail 322, and the reinforcing plate 324 increases the connection strength between the first outer rail 321 and the second outer rail 322.
Specifically, the inside of the guide rod 350 is provided with a first thread section 351 matched with the screw rod 340, the first thread section 351 is convenient for driving the guide rod 350 to move, the middle part of the connecting plate 360 is provided with a second thread section 361 matched with the screw rod 340, and the second thread section 361 ensures the screw rod 340 to effectively rotate.
Specifically, the fine adjustment member 410 includes a support plate 411, a sleeve 412 and a locking screw 413, the support plate 411 is installed at an end of the guide rod 350, the sleeve 412 is installed at a side portion of the support plate 411, the support rod 420 is slidably installed inside the sleeve 412, the locking screw 413 is in threaded connection with the side portion of the sleeve 412, the locking screw 413 abuts against the side portion of the support rod 420, when in specific use, the support rod 420 slides inside the sleeve 412 to perform fine adjustment on the support rod 420, and after the adjustment is completed, the support rod 420 is fixed through the locking screw 413.
Specifically, the antenna fixing member 430 includes a fixing sleeve 431, a fixing block 432 and a fixing plate 433, the fixing sleeve 431 is sleeved on and fixed to the side portion of the supporting rod 420, the fixing block 432 is installed at the lower portion of the fixing sleeve 431, the fixing plate 433 is installed at the lower portion of the fixing block 432, and a threaded hole is opened at the side portion of the fixing plate 433.
In addition, the invention also provides a detection method for the reflectivity of the wave-absorbing material, which specifically comprises the following steps:
s1, firstly, fixing the transmitting antenna on the side of one antenna fixing piece, fixing the absorbing antenna on the side of the other antenna fixing piece, placing the good body guide plate coated with the wave-absorbing material on the ground close to the side of the base, and finely adjusting the positions of the transmitting antenna and the absorbing antenna through a fine adjusting piece;
s2, operating the rotating assembly, driving the rotating shaft plate to rotate through the operation of the first driving piece, driving the length adjusting assembly to rotate through the rotation of the rotating shaft plate, further driving the fixing assembly to rotate, and adjusting the angles of the transmitting antenna and the absorbing antenna;
s3, the length adjusting assembly operates, the lead screw is driven to rotate through the operation of the second driving piece, the guide rod is driven to slide on the inner side of the guide rail under the limiting and guiding of the guide rail, and then the fixing assembly is driven to move, so that the heights of the transmitting antenna and the absorbing antenna are adjusted;
and S4, measuring the reflectivity, namely, operating the transmitting antenna and the absorbing antenna on the basis of the step S2 and the step S3, namely measuring the reflectivity of the absorbing material at different positions and different angles.
It should be noted that the rotation angle of the single rotating assembly 200 is 0-90 °, and in order to prevent interference caused by the two rotating at the same time by 90 °, limit switches (not shown) are disposed on two sides of the rotating shaft 224.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An arch frame device for detecting wave-absorbing material reflectivity, which comprises a supporting component (100), a rotating component (200), a length adjusting component (300) and a fixing component (400), and is characterized in that: the rotating assembly (200) is installed at the upper portion of the supporting assembly (100), the rotating assembly (200) is connected with the length adjusting assembly (300), the fixing assembly (400) is installed at the side portion of the length adjusting assembly (300), wherein:
the supporting component (100) comprises a base (110) and two pairs of vertical rods (120), wherein the two pairs of vertical rods (120) are both arranged at the upper part of the base (110), and a cover plate (130) is arranged between each pair of vertical rods (120);
the number of the rotating assemblies (200) is two, each rotating assembly (200) comprises a turntable bottom plate (210), a first driving piece (220) and a rotating shaft plate (230), the turntable bottom plate (210) is mounted at the upper part of the vertical rod (120), the first driving piece (220) is mounted at the upper part of the turntable bottom plate (210), and the rotating shaft plate (230) is mounted at the output end of the first driving piece (220) in a transmission manner;
the length adjusting assembly (300) is provided with two, the length adjusting assembly (300) corresponds to the rotating assembly (200) one by one, the length adjusting assembly (300) comprises a fixing groove (310), a guide rail (320), a second driving piece (330), a screw rod (340) and a guide rod (350), the fixing groove (310) is installed at the side part of the rotating shaft plate (230), the guide rail (320) is installed at the inner side of the fixing groove (310), a connecting plate (360) is installed at one end of the guide rail (320), a nylon guide block (370) is sleeved at the other end of the guide rail (320), the second driving piece (330) is installed at the side part of the connecting plate (360), the screw rod (340) is installed at the output end of the second driving piece (330) in a transmission manner, the screw rod (340) penetrates through the middle part of the connecting plate (360) and is connected with the guide rod (350, the guide rod (350) is slidably arranged inside the guide rail (320);
the fixing assembly (400) is provided with two, the fixing assembly (400) and the length adjusting assembly (300) are in one-to-one correspondence, the fixing assembly (400) comprises a fine adjusting piece (410), a supporting rod (420) and an antenna fixing piece (430), the fine adjusting piece (410) is installed at the end part of the guide rod (350), the supporting rod (420) is installed at the side part of the fine adjusting piece (410), and the antenna fixing piece (430) is installed at the side part of the supporting rod (420).
2. The arch frame device for detecting the reflectivity of the wave-absorbing material according to claim 1, wherein: base (110) include two horizontal poles (111) and two montants (112), two horizontal pole (111) install in between two montants (112), two pairs pole setting (120) install in two the upper portion of horizontal pole (111), two install crosspiece (113) between pole setting (120).
3. The arch frame device for detecting the reflectivity of the wave-absorbing material according to claim 1, wherein: the first driving part (220) comprises a motor (221), a driving gear (222), a driven gear (223) and a rotating shaft (224), the motor (221) is installed on the side portion of the turntable base plate (210), the driving gear (222) is installed at the output end of the motor (221), the rotating shaft (224) is installed on the side portion of the rotating shaft plate (230), the driven gear (223) is connected to the outer side of the rotating shaft (224) in a key mode, and the driving gear (222) is meshed with the driven gear (223).
4. The arch frame device for detecting the reflectivity of the wave-absorbing material according to claim 1, wherein: the guide rail (320) comprises a first outer rail (321) and a second outer rail (322), the first outer rail (321) is installed on the inner side of the fixing groove (310), the second outer rail (322) is installed on the inner side of the fixing groove (310), the first outer rail (321) and the second outer rail (322) are oppositely arranged, a brace (323) is installed between the side wall of the first outer rail (321) and the side wall of the second outer rail (322), and a reinforcing plate (324) is installed between the first outer rail (321) and the second outer rail (322).
5. The arch frame device for detecting the reflectivity of the wave-absorbing material according to claim 1, wherein: the inner part of the guide rod (350) is provided with a first thread section (351) matched with the screw rod (340), and the middle part of the connecting plate (360) is provided with a second thread section (361) matched with the screw rod (340).
6. The arch frame device for detecting the reflectivity of the wave-absorbing material according to claim 1, wherein: the fine adjustment part (410) comprises a supporting plate (411), a sleeve (412) and a locking screw (413), the supporting plate (411) is installed at the end part of the guide rod (350), the sleeve (412) is installed on the side part of the supporting plate (411), the supporting rod (420) is slidably installed inside the sleeve (412), the locking screw (413) is in threaded connection with the side part of the sleeve (412), and the locking screw (413) is abutted to the side part of the supporting rod (420).
7. The arch frame device for detecting the reflectivity of the wave-absorbing material according to claim 1, wherein: antenna mounting (430) are including fixed cover (431), fixed block (432) and fixed plate (433), fixed cover (431) cover is established and is fixed in the lateral part of bracing piece (420), fixed block (432) install in the lower part of fixed cover (431), fixed plate (433) install in the lower part of fixed block (432).
8. A method for detecting the reflectivity of a wave-absorbing material is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, firstly, fixing the transmitting antenna on the side of one antenna fixing piece, fixing the absorbing antenna on the side of the other antenna fixing piece, placing the good body guide plate coated with the wave-absorbing material on the ground close to the side of the base, and finely adjusting the positions of the transmitting antenna and the absorbing antenna through a fine adjusting piece;
s2, operating the rotating assembly, driving the rotating shaft plate to rotate through the operation of the first driving piece, driving the length adjusting assembly to rotate through the rotation of the rotating shaft plate, further driving the fixing assembly to rotate, and adjusting the angles of the transmitting antenna and the absorbing antenna;
s3, the length adjusting assembly operates, the lead screw is driven to rotate through the operation of the second driving piece, the guide rod is driven to slide on the inner side of the guide rail under the limiting and guiding of the guide rail, and then the fixing assembly is driven to move, so that the heights of the transmitting antenna and the absorbing antenna are adjusted;
and S4, measuring the reflectivity, namely, operating the transmitting antenna and the absorbing antenna on the basis of the step S2 and the step S3, namely measuring the reflectivity of the absorbing material at different positions and different angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090346.7A CN112216952A (en) | 2020-10-13 | 2020-10-13 | Arch frame device for detecting reflectivity of wave-absorbing material and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011090346.7A CN112216952A (en) | 2020-10-13 | 2020-10-13 | Arch frame device for detecting reflectivity of wave-absorbing material and detection method thereof |
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| CN112216952A true CN112216952A (en) | 2021-01-12 |
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| CN202011090346.7A Pending CN112216952A (en) | 2020-10-13 | 2020-10-13 | Arch frame device for detecting reflectivity of wave-absorbing material and detection method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770374A (en) * | 2016-11-30 | 2017-05-31 | 北京无线电计量测试研究所 | A kind of absorbing material reflecting measurement device and method |
| WO2018177085A1 (en) * | 2017-03-28 | 2018-10-04 | 罗森伯格技术（昆山）有限公司 | Microwave antenna control system |
| CN208283306U (en) * | 2018-07-03 | 2018-12-25 | 中国人民解放军61489部队 | A kind of antenna fixing device for arch method reflectance test system |
| CN109507212A (en) * | 2018-12-28 | 2019-03-22 | 长沙晶优新材料科技有限公司 | A kind of the reflectance test system and test method of absorbing material |
-
2020
- 2020-10-13 CN CN202011090346.7A patent/CN112216952A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770374A (en) * | 2016-11-30 | 2017-05-31 | 北京无线电计量测试研究所 | A kind of absorbing material reflecting measurement device and method |
| WO2018177085A1 (en) * | 2017-03-28 | 2018-10-04 | 罗森伯格技术（昆山）有限公司 | Microwave antenna control system |
| CN208283306U (en) * | 2018-07-03 | 2018-12-25 | 中国人民解放军61489部队 | A kind of antenna fixing device for arch method reflectance test system |
| CN109507212A (en) * | 2018-12-28 | 2019-03-22 | 长沙晶优新材料科技有限公司 | A kind of the reflectance test system and test method of absorbing material |
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