CN210835102U - Switching type multifunctional anechoic chamber - Google Patents
Switching type multifunctional anechoic chamber Download PDFInfo
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- CN210835102U CN210835102U CN201921581584.0U CN201921581584U CN210835102U CN 210835102 U CN210835102 U CN 210835102U CN 201921581584 U CN201921581584 U CN 201921581584U CN 210835102 U CN210835102 U CN 210835102U
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Abstract
The utility model relates to a switching type multifunctional anechoic chamber, which comprises a connecting bottom plate below an anechoic chamber body, an anechoic chamber body and an installation bedplate, wherein the installation bedplate is arranged above the anechoic chamber body, a through groove is arranged in the installation bedplate, and a switching plate is arranged in the through groove; the switching plate comprises a switching panel, a reflecting flat plate, a wave absorbing layer, a reflecting surface, a wave absorbing surface, a ferrite wave absorbing surface and a driving device, wherein the side edge of the switching plate is connected with the switching panel, the lower part of the switching plate is connected with the reflecting flat plate, and the reflecting surface is arranged on the reflecting flat plate. The utility model relates to a multi-functional anechoic chamber of switching formula, anechoic chamber have the function of half anechoic chamber and full anechoic chamber simultaneously, and the electron device that awaits measuring need not change the test place when carrying out the electromagnetic compatibility test in this anechoic chamber, reduces manpower and the time that consume, has simplified test process, has also avoided because of changing the unnecessary experimental error that the test place produced.
Description
Technical Field
The utility model relates to an anechoic chamber technical field specifically is a multi-functional anechoic chamber of switching formula.
Background
A general Electromagnetic Compatibility (EMC) test requires the use of an anechoic chamber as a test site. Generally, a anechoic chamber is divided into a full anechoic chamber (full anechoic chamber) and a semi-anechoic chamber (semi-anechoic chamber). The inner surface of the full anechoic chamber is fully paved with the wave-absorbing material, and a part of the inner surface of the half anechoic chamber is covered with the wave-absorbing material. When a device (such as a computer) in general information technology class is used for performing an electromagnetic compatibility test, the device needs to be tested in two frequency bands, namely a low frequency (usually 30MHz to 1GHz) and a high frequency (usually 1GHz to 6 GHz). Generally, low-frequency testing needs to be performed in a half anechoic chamber, high-frequency testing needs to be performed in a full anechoic chamber, and when electromagnetic compatibility testing of different frequency bands is performed, electronic devices to be tested need to be transferred among different anechoic chambers, which requires much labor and time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switching formula multi-functional anechoic chamber, anechoic chamber have the function of half anechoic chamber and full anechoic chamber simultaneously, and the electron device that awaits measuring need not change the test place when carrying out the electromagnetic compatibility test in this anechoic chamber, reduces consumed manpower and time, has simplified the test procedure, has also avoided the unnecessary experimental error because of changing the test place and producing, has solved the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a switching type multifunctional anechoic chamber comprises a connecting bottom plate, an anechoic chamber body and an installation bedplate, wherein the lower part of the anechoic chamber body is connected with the bottom plate;
the switching plate comprises a switching panel, a reflecting flat plate, a wave absorbing layer, a reflecting surface, a wave absorbing surface, a ferrite wave absorbing surface and a driving device, wherein the side edge of the switching plate is connected with the switching panel, the lower part of the switching plate is connected with the reflecting flat plate, the reflecting surface is arranged on the reflecting flat plate, the wave absorbing layer is arranged on two inclined planes at the upper end of the switching plate, the wave absorbing surface and the ferrite wave absorbing surface are respectively arranged on the wave absorbing layer, and the side edge of the switching panel is connected with the driving device;
the driving device comprises a connecting shaft seat, a rotating rod, a connecting belt and a motor, the connecting shaft seat is arranged at the side end of the switching plate, the rotating rod is arranged at the front end of the connecting shaft seat, the rotating rod is coated with the connecting belt, and the motor is arranged at the top end of the rotating rod.
Preferably, the switching plate is provided with a plurality of switching plates which are uniformly arranged in the through grooves, and the other side edge of the switching plate is provided with a connecting shaft rod which is movably connected with the mounting bedplate through the connecting shaft rod.
Preferably, the switching plate is in a triangular cone shape, three surfaces of the switching plate are respectively provided with a reflection flat plate and a wave absorbing layer, and the wave absorbing layer is provided with two surfaces which are respectively provided with a wave absorbing surface and a ferrite wave absorbing surface.
Preferably, the motor is arranged on a rotating rod on a side edge connecting shaft seat of the installation bedplate, and the rotating rod penetrates through the installation bedplate to be connected with an output shaft of the motor.
Preferably, the driving device is provided with a plurality of rotating rods, and the rotating rods are connected with the rotating rod of another switching plate through a connecting belt.
Preferably, the driving device drives the switching plate to be movably connected with the mounting bedplate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model relates to a switch over multi-functional anechoic chamber of formula, drive arrangement sets up a plurality of, and the dwang that the dwang passes through connecting band and another switching board is connected, drive arrangement drive switching board and installation platen swing joint, the motor drive dwang rotates, it rotates to drive other bull stick through the connecting band, it overturns simultaneously to drive the several switching board, switch over the plane of reflection and inhale the wave surface, realize the switching between full wave formula anechoic chamber and the full wave formula of half wave formula, the anechoic chamber has the function of half anechoic chamber and full wave anechoic chamber simultaneously, electronic device that awaits measuring when carrying out the electromagnetic compatibility test in this anechoic chamber, need not change the test site, reduce manpower and the time that consume, the test procedure is simplified, unnecessary experimental error because of changing the test site and producing has also been avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the installation of the switch plate of the present invention;
fig. 3 is a schematic structural view of a switching surface of the switching plate of the present invention;
fig. 4 is a schematic view of the connection between the switching plate and the driving device of the present invention;
fig. 5 is a top half sectional view of the switching board and the mounting plate of the present invention.
In the figure: 1. a darkroom body; 2. installing a bedplate; 21. a through groove; 3. a switch board; 31. switching the panel; 32. a reflective plate; 33. a wave-absorbing layer; 34. a reflective surface; 35. a wave absorbing surface; 36. a drive device; 361. connecting the shaft seat; 362. rotating the rod; 363. a connecting belt; 364. a motor; 37. a ferrite wave absorption surface; 4. a base plate.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a switching type multifunctional anechoic chamber comprises an anechoic chamber body 1 and an installation bedplate 2, wherein a bottom plate 4 is connected below the anechoic chamber body 1, the installation bedplate 2 is arranged above the anechoic chamber body 1, a through groove 21 is formed in the installation bedplate 2, a switching plate 3 is installed in the through groove 21, the switching plate 3 comprises a switching panel 31, a reflection flat plate 32, a wave absorbing layer 33, a reflection surface 34, a wave absorbing surface 35, a ferrite wave absorbing surface 37 and a driving device 36, the side edge of the switching plate 3 is connected with the switching panel 31, the lower side of the switching plate 3 is connected with the reflection flat plate 32, the reflection surface 34 is installed on the reflection flat plate 32, the wave absorbing layer 33 is arranged on two inclined surfaces at the upper end of the switching plate 3, the wave absorbing layer 33 is respectively provided with the wave absorbing surface 35 and the ferrite wave absorbing surface 37, the side edge of the switching panel 31 is connected with the driving, the connecting shaft seat 361 is arranged at the side end of the switching plate 3, the front end of the connecting shaft seat 361 is provided with a rotating rod 362, the rotating rod 362 is coated with a connecting belt 363, the top end of the rotating rod 362 is provided with a motor 364, the switching plate 3 is provided with a plurality of switching plates which are uniformly arranged in the through groove 21, the other side edge of the switching plate 3 is provided with a connecting shaft rod which is movably connected with the installation bedplate 2 through the connecting shaft rod, the switching plate 3 is in a triangular cone shape, three sides are respectively provided with a reflection flat plate 32 and a wave absorbing layer 33, the wave absorbing layer 33 is provided with two sides which are respectively provided with a wave absorbing surface 35 and a ferrite wave absorbing surface 37, the rotating rod 362 arranged on the side edge connecting shaft seat 361 of the installation bedplate 2 of the motor 364 passes through the installation bedplate 2 to be connected with an output shaft of the motor 364, the driving device 36 is provided with a, the motor 364 drives the rotating rod 362 to rotate, other rotating rods are driven to rotate through the connecting band 363, the switching plates 3 are driven to be driven to overturn simultaneously, the reflecting surface 34 and the wave absorbing surface 35 are switched, switching between a full-electric-wave anechoic chamber and a half-electric-wave full-electric-wave anechoic chamber is realized, the anechoic chamber has the functions of the half-electric-wave anechoic chamber and the full-electric-wave anechoic chamber simultaneously, when an electronic device to be tested performs electromagnetic compatibility test in the anechoic chamber, the test field does not need to be replaced, the consumed manpower and time are reduced, the test process is simplified, and unnecessary experimental errors caused by replacement of the test field are avoided.
In summary, the following steps: in the switching type multifunctional anechoic chamber of the utility model, a plurality of driving devices 36 are arranged, the rotating rod 362 is connected with the rotating rod 362 of another switching plate 3 through a connecting band 363, the driving device 36 drives the switching plate 3 to be movably connected with the installation bedplate 2, the motor 364 drives the rotating rod 362 to rotate, the connecting band 363 drives other rotating rods to rotate, drives a plurality of switching plates 3 to turn over simultaneously, switches the reflecting surface 34 and the wave absorbing surface 35, realizes the switching between the full-wave anechoic chamber and the half-wave full-wave anechoic chamber, the anechoic chamber has the functions of the half-wave anechoic chamber and the full-wave anechoic chamber simultaneously, when the electronic device to be tested performs the electromagnetic compatibility test in the anechoic chamber, the test site does not need to be replaced, the consumed manpower and time are reduced, the test process is simplified, and unnecessary experimental errors caused by replacement of the test site are avoided.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multi-functional anechoic chamber of switching formula, includes darkroom body (1) and installation platen (2), its characterized in that: a bottom plate (4) is connected to the lower portion of the darkroom body (1), an installation bedplate (2) is arranged above the darkroom body (1), a through groove (21) is formed in the installation bedplate (2), and a switching plate (3) is arranged in the through groove (21);
the switching plate (3) comprises a switching panel (31), a reflecting flat plate (32), a wave absorbing layer (33), a reflecting surface (34), a wave absorbing surface (35), a ferrite wave absorbing surface (37) and a driving device (36), the side edge of the switching plate (3) is connected with the switching panel (31), the reflecting flat plate (32) is connected below the switching plate (3), the reflecting surface (34) is installed on the reflecting flat plate (32), the wave absorbing layer (33) is arranged on two inclined surfaces at the upper end of the switching plate (3), the wave absorbing surface (35) and the ferrite wave absorbing surface (37) are respectively installed on the wave absorbing layer (33), and the side edge of the switching panel (31) is connected with the driving device (36);
the driving device (36) comprises a connecting shaft seat (361), a rotating rod (362), a connecting belt (363) and a motor (364), the connecting shaft seat (361) is installed at the side end of the switching plate (3), the rotating rod (362) is installed at the front end of the connecting shaft seat (361), the connecting belt (363) is wrapped on the rotating rod (362), and the motor (364) is installed at the top end of the rotating rod (362).
2. The switched multifunctional anechoic chamber according to claim 1, wherein: the switching plate (3) is provided with a plurality of switching plates which are uniformly arranged in the through groove (21), and the other side edge of each switching plate (3) is provided with a connecting shaft rod which is movably connected with the installation bedplate (2).
3. The switched multifunctional anechoic chamber according to claim 1, wherein: the switching plate (3) is in a triangular cone shape, a reflecting flat plate (32) and a wave absorbing layer (33) are respectively arranged on three sides of the switching plate, and two sides of the wave absorbing layer (33) are respectively provided with a wave absorbing surface (35) and a ferrite wave absorbing surface (37).
4. The switched multifunctional anechoic chamber according to claim 1, wherein: the motor (364) is arranged on a rotating rod (362) on a side connecting shaft seat (361) of the mounting bedplate (2) and penetrates through the mounting bedplate (2) to be connected with an output shaft of the motor (364).
5. The switched multifunctional anechoic chamber according to claim 1, wherein: the driving device (36) is provided with a plurality of rotating rods (362) which are connected with the rotating rod (362) of another switching plate (3) through a connecting belt (363).
6. The switched multifunctional anechoic chamber according to claim 1, wherein: the driving device (36) drives the switching plate (3) to be movably connected with the mounting bedplate (2).
Priority Applications (1)
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CN201921581584.0U CN210835102U (en) | 2019-09-20 | 2019-09-20 | Switching type multifunctional anechoic chamber |
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CN201921581584.0U CN210835102U (en) | 2019-09-20 | 2019-09-20 | Switching type multifunctional anechoic chamber |
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CN210835102U true CN210835102U (en) | 2020-06-23 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113597244A (en) * | 2021-07-26 | 2021-11-02 | 成都飞机工业(集团)有限责任公司 | Microwave darkroom wave-absorbing material laying device with rotary table and method |
WO2023240928A1 (en) * | 2022-06-17 | 2023-12-21 | 深圳市通用测试系统有限公司 | Test system for vehicle-mounted antenna |
-
2019
- 2019-09-20 CN CN201921581584.0U patent/CN210835102U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113597244A (en) * | 2021-07-26 | 2021-11-02 | 成都飞机工业(集团)有限责任公司 | Microwave darkroom wave-absorbing material laying device with rotary table and method |
WO2023240928A1 (en) * | 2022-06-17 | 2023-12-21 | 深圳市通用测试系统有限公司 | Test system for vehicle-mounted antenna |
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