CN211402552U - Novel wave-absorbing darkroom - Google Patents
Novel wave-absorbing darkroom Download PDFInfo
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- CN211402552U CN211402552U CN201922481010.2U CN201922481010U CN211402552U CN 211402552 U CN211402552 U CN 211402552U CN 201922481010 U CN201922481010 U CN 201922481010U CN 211402552 U CN211402552 U CN 211402552U
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Abstract
The utility model belongs to the technical field of inhale the ripples and detect, especially, novel inhale ripples darkroom, including the darkroom, the darkroom includes the room door, the front setting of darkroom turns to the device, logical groove and adjustment tank have been seted up respectively to the inside wall of darkroom, the mounting hole has been seted up to the one end inner wall that leads to the groove, the inside of mounting hole is provided with straining device, straining device includes plastic film. This novel inhale ripples darkroom, it turns to the device to set up through the front of darkroom, the effect of carrying out angle modulation to measuring the radar has been reached, so that reachs more comprehensive testing data, inside through the mounting hole is provided with straining device, the wall that has reached the darkroom inside wall is inhaled ripples area and the effect that the angle was adjusted, so that reachs more comprehensive detection data, inner wall through the adjustment tank is provided with controlling means, the effect of controlling stretching out or returning area and the angle of plastic film is reached, so that reachs more comprehensive detection data.
Description
Technical Field
The utility model relates to a inhale ripples and detect technical field, especially relate to a novel inhale ripples darkroom.
Background
A microwave anechoic chamber, a wave absorbing chamber and an anechoic chamber. When electromagnetic waves are incident to the wall surface, the ceiling and the ground, most of the electromagnetic waves are absorbed, and the transmission and the reflection are few. Microwaves also have certain properties of light, and are called microwave darkrooms by the meaning of optical darkrooms.
The wave absorbing agent in the prior art mainly comprises ferrite wave absorbing materials, carbon fiber structure wave absorbing materials, nano wave absorbing materials, polycrystalline iron fiber wave absorbing materials, conductive high polymer wave absorbing materials and the like, but the dielectric parameters and the magnetic conductivity of the wave absorbing materials are difficult to realize the requirement of no reflection in a wider frequency band, and the wave absorbing agent has the defects of narrow frequency band, capability of only realizing the absorption in a frequency band below 20GHz, low efficiency, high density and the like.
In order to increase the wave absorbing area in the wave absorbing dark room at present, wave absorbing cones are installed on the wall surface in the wave absorbing dark room, and then wave absorbing materials are coated on the wall surface to increase the wave absorbing effect, the shapes and the sizes of the cones are fixed, for wave absorbing detection, different conditions are required to be changed to detect the wave absorbing, so that better and more comprehensive data can be obtained, and if the wave absorbing cones cannot be adjusted, the comprehensiveness of the detected data can be reduced.
SUMMERY OF THE UTILITY MODEL
Based on the inconvenient technical problem of absorbing wave area regulation in the present ripples darkroom of inhaling, the utility model provides a novel ripples darkroom is inhaled.
The utility model provides a novel inhale ripples darkroom, including the darkroom, the darkroom includes the room door, the front of darkroom sets up and turns to the device.
Logical groove and adjustment tank have been seted up respectively to the inside wall of darkroom, the mounting hole has been seted up to the one end inner wall that leads to the groove, the inside of mounting hole is provided with straining device, straining device includes plastic film, the equal fixed coating of the outside surface of plastic film, the inner wall of darkroom and the inboard surface of room door has connect the absorbing layer.
And a control device is arranged on the inner wall of the adjusting groove.
Preferably, turn to the device including turning to the groove, the inner wall fixed mounting who turns to the groove has anti-skidding leather packing, anti-skidding leather packing all slides with the inner wall that turns to the groove and cup joints and turns to the ball.
Preferably, a measuring radar is fixedly installed on the surface of the steering ball close to the dark room, a handle is fixedly connected to the surface of the steering ball close to the dark room, and the friction force between the anti-skid leather pad and the steering ball is greater than the sum of the weights of the steering ball and the measuring radar.
Preferably, the tensioning device includes the bearing, two the bearing is fixed mounting respectively in the both ends inner wall of mounting hole, the inner circle fixed mounting of bearing has the pivot, the fixed cover of surface of pivot has connect the roller, the surface of roller and plastic film's one end fixed connection, plastic film's surface runs through and extends to the outside that leads to the groove.
Preferably, the two ends of the rotating shaft are movably sleeved with torsion springs, and the free ends of the two ends of each torsion spring are fixedly connected with the surface of the rotating shaft and the inner wall of the mounting hole respectively.
Preferably, both ends of the through groove are fixedly connected with guide rods, the surface of each guide rod is connected with the surface of the plastic film in a sliding manner, and one of the guide rods is fixedly installed on the inner wall of the outer end of the adjusting groove.
Preferably, controlling means includes the cylinder, cylinder fixed mounting is in the inner wall of adjustment tank, the inner wall of adjustment tank is the triangular prism shape, the atmospheric pressure pole one end and the plastic film outside fixed surface of cylinder are connected, the equal fixed mounting of gas business turn over end of cylinder has the electromagnetic directional valve.
Preferably, the wave absorbing port is opened to the side of inhaling the wave layer of keeping away from the darkroom, the inner wall of inhaling the wave port is the horn mouth shape, inhale the wave chamber has been seted up to the inner diapire of inhaling the wave port, the inside wall in inhaling the wave chamber is the circular arc shape, inhale the microwave absorbing micropore seted up to the inside wall in wave chamber.
The utility model provides a beneficial effect does:
1. the steering device is arranged on the front side of the darkroom, so that the effect of adjusting the angle of the measuring radar is achieved, and more comprehensive detection test data can be obtained.
2. Be provided with straining device through the inside of mounting hole, reached and carried out the effect adjusted to the wall wave absorption area and the angle of darkroom inside wall to reach more comprehensive detection data.
3. The inner wall through the adjusting groove is provided with the control device, the effect of controlling the extending or retracting area and angle of the plastic film is achieved, and therefore more comprehensive detection data can be obtained.
Drawings
Fig. 1 is a schematic view of a novel wave-absorbing darkroom provided by the utility model;
fig. 2 is a top view of a tensioning device of the novel wave-absorbing darkroom provided by the utility model;
FIG. 3 is a sectional perspective view of a mounting hole structure of a novel wave-absorbing darkroom provided by the present invention;
fig. 4 is the utility model provides a novel inhale ripples darkroom's inhale ripples layer structure cross-sectional view.
In the figure: 1. a darkroom; 11. a steering groove; 12. an anti-skid leather pad; 13. a steering ball; 14. measuring a radar; 2. a chamber door; 3. a through groove; 4. an adjustment groove; 41. a cylinder; 42. an electromagnetic directional valve; 5. mounting holes; 51. a plastic film; 52. a bearing; 53. a rotating shaft; 54. a roll shaft; 55. a torsion spring; 56. a guide bar; 6. a wave-absorbing layer; 61. a wave absorbing port; 62. a wave absorption cavity; 63. and (4) wave-absorbing micropores.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a novel wave-absorbing darkroom comprises a darkroom 1, wherein the darkroom 1 comprises a room door 2, and a steering device is arranged on the front surface of the darkroom 1;
further, the steering device comprises a steering groove 11, an anti-skid leather pad 12 is fixedly mounted on the inner wall of the steering groove 11, a steering ball 13 is sleeved on the inner walls of the anti-skid leather pad 12 and the steering groove 11 in a sliding mode, a measuring radar 14 is fixedly mounted on the surface, close to the darkroom 1, of the steering ball 13, a handle is fixedly connected to the surface, close to the outside of the darkroom 1, of the steering ball 13, and the friction force between the anti-skid leather pad 12 and the steering ball 13 is larger than the sum of the weights of the steering ball 13 and the measuring radar 14;
further, the front through darkroom 1 sets up and turns to the device, has reached and has carried out the effect of angle modulation to measuring radar 14 to reacing more comprehensive testing data, turning to ball 13 through the handle rotation, and then turning to ball 13 and drive and measure radar 14 and turn to.
The inner side wall of the darkroom 1 is respectively provided with a through groove 3 and an adjusting groove 4, the inner wall of one end of the through groove 3 is provided with a mounting hole 5, a tensioning device is arranged in the mounting hole 5, the tensioning device comprises a plastic film 51, and wave absorbing layers 6 are fixedly coated on the outer side surface of the plastic film 51, the inner wall of the darkroom 1 and the inner side surface of the room door 2;
the side surface of the wave absorbing layer 6, which is far away from the darkroom 1, is provided with a wave absorbing opening 61, the inner wall of the wave absorbing opening 61 is in a horn mouth shape, the wave absorbing opening 61 in the horn mouth shape can enlarge the wave absorbing area and facilitate the entry of waves, the inner bottom wall of the wave absorbing opening 61 is provided with a wave absorbing cavity 62, the inner side wall of the wave absorbing cavity 62 is in an arc shape, the wave absorbing cavity 62 in the arc shape can ensure that the entered waves cannot flow reversely again under the reflection and refraction effects of the arc shape, so that the wave absorbing effect is increased, the inner side wall of the wave absorbing cavity 62 is provided with wave absorbing micropores 63, and the wave;
the wave absorbing material in the wave absorbing layer 6 can be one of polystyrene wave absorbing material, polyurethane wave absorbing material or micro carbon coil coating material, wherein the micro carbon coil utilizes the three-dimensional spiral structure thereof to generate magnetic induction electromotive force in an electromagnetic field, and finally releases energy in the form of heat energy to achieve the effect of efficiently absorbing electromagnetic waves, and the optimal absorption rate reaches more than 99%;
the internal wave-absorbing material of the wave-absorbing layer 6 can also select an electromagnetic radiation absorbing structure provided by the patent of the publication No. CN206196246U, which comprises a substrate, wherein the substrate is provided with a plurality of micro carbon coils, and the micro carbon coils account for 0.5-10% of the total weight of the wave-absorbing material, and have the advantages of wide wave-absorbing frequency domain, high efficiency, light and thin material and low cost; the micro-carbon coil adopted by the scheme is a micro-carbon coil formed by winding carbon wires at certain intervals, has certain inner warp and screw pitch, and has an outer diameter larger than 1 micron, and the micro-carbon coil has better wave-absorbing performance than twisted rope-shaped or twist-shaped spiral carbon fibers with zero inner warp.
Meanwhile, conical wave-absorbing cones can be arranged on the inner side wall and the inner bottom wall of the darkroom 1, so that the adjustability of the whole darkroom 1 can be improved, and the placement position and the size of the darkroom can be arranged according to actual conditions;
further, the tensioning device comprises bearings 52, the two bearings 52 are respectively and fixedly mounted on the inner walls of the two ends of the mounting hole 5, a rotating shaft 53 is fixedly mounted on the inner ring of the bearing 52, a roller shaft 54 is fixedly sleeved on the outer surface of the rotating shaft 53, the outer surface of the roller shaft 54 is fixedly connected with one end of the plastic film 51, and the surface of the plastic film 51 penetrates through and extends to the outside of the through groove 3;
furthermore, two ends of the rotating shaft 53 are movably sleeved with torsion springs 55, and free ends of the two ends of each torsion spring 55 are fixedly connected with the surface of the rotating shaft 53 and the inner wall of the mounting hole 5 respectively;
furthermore, both ends of the through groove 3 are fixedly connected with guide rods 56, the surfaces of the guide rods 56 are slidably connected with the surface of the plastic film 51, and one guide rod 56 is fixedly arranged on the inner wall of the outer end of the adjusting groove 4;
further, the tensioning device is arranged in the mounting hole 5, so that the effect of adjusting the wave absorbing area and angle of the wall surface of the inner side wall of the darkroom 1 is achieved, more comprehensive detection data can be obtained, the torsion spring 55 always rebounds and rolls the plastic film 51 on the roller shaft 54, and the plastic film 51 can keep a relatively flat plane regardless of stretching out or retracting.
The inner wall of the adjusting groove 4 is provided with a control device;
further, the control device comprises a cylinder 41, the cylinder 41 is fixedly installed on the inner wall of the adjusting groove 4, the inner wall of the adjusting groove 4 is in a triangular prism shape, one end of a gas pressure rod of the cylinder 41 is fixedly connected with the outer side surface of the plastic film 51, and the gas inlet and outlet ends of the cylinder 41 are fixedly provided with electromagnetic directional valves 42;
furthermore, the inner wall of the adjusting groove 4 is provided with a control device, so that the effect of controlling the extending or retracting area and angle of the plastic film 51 is achieved, more comprehensive detection data can be obtained, the extending amount of the cylinder 41 can be controlled through the electromagnetic directional valve 42, and the extending or retracting area of the plastic film 51 can be further controlled.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A novel wave-absorbing darkroom comprises a darkroom (1), wherein the darkroom (1) comprises a room door (2), and is characterized in that: the front side of the darkroom (1) is provided with a steering device;
the inner side wall of the darkroom (1) is respectively provided with a through groove (3) and an adjusting groove (4), the inner wall of one end of the through groove (3) is provided with a mounting hole (5), a tensioning device is arranged inside the mounting hole (5), the tensioning device comprises a plastic film (51), and the outer side surface of the plastic film (51), the inner wall of the darkroom (1) and the inner side surface of the door (2) are fixedly coated with a wave absorbing layer (6);
and a control device is arranged on the inner wall of the adjusting groove (4).
2. The novel wave-absorbing darkroom of claim 1, wherein: the steering device comprises a steering groove (11), an anti-skid leather pad (12) is fixedly mounted on the inner wall of the steering groove (11), and a steering ball (13) is sleeved on the anti-skid leather pad (12) and the inner wall of the steering groove (11) in a sliding mode.
3. The novel wave-absorbing darkroom of claim 2, characterized in that: the surface of the steering ball (13) close to the interior of the darkroom (1) is fixedly provided with a measuring radar (14), the surface of the steering ball (13) close to the exterior of the darkroom (1) is fixedly connected with a handle, and the friction force between the anti-skid leather mat (12) and the steering ball (13) is greater than the sum of the weights of the steering ball (13) and the measuring radar (14).
4. The novel wave-absorbing darkroom of claim 1, wherein: the tensioning device comprises bearings (52), two bearings (52) are respectively and fixedly installed on the inner walls of the two ends of the installation hole (5), a rotating shaft (53) is fixedly installed on the inner ring of each bearing (52), a roller shaft (54) is sleeved on the outer surface of the rotating shaft (53), the outer surface of the roller shaft (54) is fixedly connected with one end of a plastic film (51), and the surface of the plastic film (51) penetrates through and extends to the outside of the through groove (3).
5. The novel wave-absorbing darkroom of claim 4, wherein: and two ends of the rotating shaft (53) are movably sleeved with torsion springs (55), and free ends of two ends of each torsion spring (55) are fixedly connected with the surface of the rotating shaft (53) and the inner wall of the mounting hole (5) respectively.
6. The novel wave-absorbing darkroom of claim 4, wherein: both ends of the through groove (3) are fixedly connected with guide rods (56), the surface of each guide rod (56) is in sliding connection with the surface of the plastic film (51), and one guide rod (56) is fixedly arranged on the inner wall of the outer end of the adjusting groove (4).
7. The novel wave-absorbing darkroom of claim 1, wherein: the control device comprises a cylinder (41), the cylinder (41) is fixedly installed on the inner wall of the adjusting groove (4), the inner wall of the adjusting groove (4) is in a triangular prism shape, one end of a gas pressure rod of the cylinder (41) is fixedly connected with the outer side surface of the plastic film (51), and the gas inlet and outlet ends of the cylinder (41) are fixedly provided with electromagnetic directional valves (42).
8. The novel wave-absorbing darkroom of claim 1, wherein: inhale ripples mouth (61) have been seted up to the side of keeping away from darkroom (1) on ripples layer (6), the inner wall of inhaling ripples mouth (61) is the horn mouth shape, inhale ripples chamber (62) have been seted up to the inner diapire of ripples mouth (61), the inside wall in ripples chamber (62) is the circular arc shape, inhale the inside wall in ripples chamber (62) and seted up and inhale ripples micropore (63).
9. The novel wave-absorbing darkroom of claim 8, wherein: the wave absorbing layer (6) is composed of an electromagnetic radiation absorbing structure containing a micro carbon coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481010.2U CN211402552U (en) | 2019-12-31 | 2019-12-31 | Novel wave-absorbing darkroom |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922481010.2U CN211402552U (en) | 2019-12-31 | 2019-12-31 | Novel wave-absorbing darkroom |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747013A (en) * | 2021-09-03 | 2021-12-03 | 福建星宏新材料科技有限公司 | Anti-electromagnetic wave detection camera and anti-detection method |
| CN114167152A (en) * | 2021-12-06 | 2022-03-11 | 北京环境特性研究所 | Wave absorbing device and antenna testing method |
| CN114720965A (en) * | 2022-05-17 | 2022-07-08 | 中国船舶重工集团公司第七一一研究所 | Ultrasonic radar performance test box, detection device and detection method thereof |
-
2019
- 2019-12-31 CN CN201922481010.2U patent/CN211402552U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747013A (en) * | 2021-09-03 | 2021-12-03 | 福建星宏新材料科技有限公司 | Anti-electromagnetic wave detection camera and anti-detection method |
| CN113747013B (en) * | 2021-09-03 | 2023-03-24 | 福建星宏新材料科技有限公司 | Anti-electromagnetic wave detection camera and anti-detection method |
| CN114167152A (en) * | 2021-12-06 | 2022-03-11 | 北京环境特性研究所 | Wave absorbing device and antenna testing method |
| CN114167152B (en) * | 2021-12-06 | 2023-11-03 | 北京环境特性研究所 | Wave absorbing device and antenna testing method |
| CN114720965A (en) * | 2022-05-17 | 2022-07-08 | 中国船舶重工集团公司第七一一研究所 | Ultrasonic radar performance test box, detection device and detection method thereof |
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