CN218099423U - Anechoic chamber with adjusting function - Google Patents
Anechoic chamber with adjusting function Download PDFInfo
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- CN218099423U CN218099423U CN202222357667.XU CN202222357667U CN218099423U CN 218099423 U CN218099423 U CN 218099423U CN 202222357667 U CN202222357667 U CN 202222357667U CN 218099423 U CN218099423 U CN 218099423U
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- anechoic chamber
- chamber body
- reversing gear
- reversing
- adjustable
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Abstract
The utility model discloses an anechoic chamber with adjusting function, which comprises an anechoic chamber body and two adjustable wave-absorbing devices, wherein the two adjustable wave-absorbing devices are arranged on the two sides of the inner wall of the anechoic chamber body; the adjustable wave absorbing device comprises a limiting seat, a sliding plate, a two-way moving mechanism, a reversing mechanism and a rotating mechanism, wherein the rotating mechanism is alternately connected with the anechoic chamber body, and wave absorbing materials are respectively arranged on the limiting seat and the sliding plate. The utility model discloses utilize anechoic chamber body and adjustable absorbing device matched with mode that sets up, through the rotation of runner, drive second reversing gear and rotate, alternate through the screw thread between two-way lead screw and the slider to alright promote the back of the body motion of two sliders, increase the holistic absorbing area of absorbing device with adjustable, thereby only need rotate slewing mechanism, alright realize the adjustment to the wave absorption region, save the time that the dismouting brought, improved the efficiency of software testing of products.
Description
Technical Field
The utility model relates to an anechoic chamber field, in particular to anechoic chamber with regulatory function.
Background
The semi-anechoic chamber is also called as electromagnetic compatibility anechoic chamber, called as EMC anechoic chamber for short, on the basis of electromagnetic shielding chamber, the electromagnetic wave absorbing material is pasted on the four walls of inner wall and ceiling, and the ground surface is ideal reflecting surface, so that the test condition of open field can be simulated, and every test item of electromagnetic compatibility requires specific test field, in which the requirements for field by radiation emission and radiation immunity test are most strict, and because the transmission and reception of high-frequency electromagnetic field greater than or equal to 80MHz is completely based on the theory of mutual superposition of space direct wave and ground reflected wave at receiving point, the field is not ideal, and must bring large test error. There is therefore an increasing demand for a semi-anechoic chamber with means for rapid laying and removal of the absorbing material.
The existing semi-anechoic chamber can lay wave-absorbing materials in a designated area, when other EMC tests are carried out in the anechoic chamber, the size of the wave-absorbing area needs to be adjusted according to the size of a test instrument, when the size of the wave-absorbing area is adjusted, a single piece of wave-absorbing material needs to be removed or installed one by one, a certain time is needed in addition, and the test efficiency of a product is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anechoic chamber with regulatory function to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: an anechoic chamber with an adjusting function comprises an anechoic chamber body and two adjustable wave absorbing devices, wherein the two adjustable wave absorbing devices are arranged on two side sides of the inner wall of the anechoic chamber body;
wave absorbing device includes spacing seat, slide, two-way moving mechanism, reversing mechanism and slewing mechanism with adjustable, spacing seat fixed mounting is in the inner wall of anechoic chamber body, the slide slides and sets up in the both sides of spacing seat inner chamber, two-way moving mechanism installs in the middle part of spacing seat inner chamber, the slide is connected with two-way moving mechanism, reversing mechanism connects two-way moving mechanism's one end, slewing mechanism alternates with anechoic chamber body and is connected, all install absorbing material on spacing seat and the slide.
Preferably, a groove is formed in the middle of the inner wall of the limiting seat, and the two-way moving mechanism is arranged inside the groove.
Preferably, the bidirectional moving mechanism comprises a bidirectional screw rod and sliding blocks, two ends of the bidirectional screw rod are rotatably connected with two sides of the limiting seat, the two sliding blocks are symmetrically arranged, the sliding blocks are in threaded penetrating connection with the bidirectional screw rod, and the sliding blocks are fixedly connected with the sliding plate.
Preferably, the reversing mechanism comprises a shell, a first reversing gear and a second reversing gear, the shell is fixedly connected to one side of the limiting seat, the first reversing gear is meshed with the second reversing gear, round rods are connected to the middle portions of the first reversing gear and the second reversing gear, one of the round rods is connected with the end portion of the bidirectional screw rod, and the other round rod is connected with the rotating mechanism.
Preferably, one of the round rods is in rotary inserting connection with the limiting seat and the shell, and the other round rod is in rotary inserting connection with the anechoic chamber body and the shell.
Preferably, slewing mechanism includes runner and elasticity joint subassembly, the middle part of runner and the tip fixed connection of round bar, the avris in the runner is installed in the interlude of elasticity joint subassembly.
Preferably, the elastic clamping assembly comprises a connecting rod, a clamping block and a spring, one end of the connecting rod is fixedly connected with the clamping block, the other end of the connecting rod is fixedly connected with a handle, the connecting rod is connected with the runner in a sliding and penetrating mode, and the spring is movably sleeved outside the connecting rod.
The utility model discloses a technological effect and advantage:
(1) The utility model discloses utilize anechoic chamber body and adjustable absorbing device matched with mode of setting, through the rotation of runner, drive second reversing gear and rotate, through the meshing between first reversing gear and the second reversing gear, the screw thread interlude between two-way lead screw and the slider of deuterogamying to alright promote the back-to-back motion of two sliders, increase the holistic absorbing area of adjustable absorbing device, thereby only need rotate slewing mechanism, alright realize the adjustment to the wave absorption region, save the time that the dismouting brought, improved the efficiency of software testing;
(2) The utility model discloses utilize fixture block and spring matched with to set up the mode, be annular array on the anechoic chamber body and seted up a plurality of draw-in grooves, the fixture block is mutually supported with the inner chamber of draw-in groove to be convenient for carry on spacingly to the position of fixture block through the draw-in groove, make the position of the relative anechoic chamber body of runner more stable, just also make the position of the slide after the position shift more stable.
Drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is a schematic view of the internal front structure of the present invention.
Fig. 3 is the inside front structure schematic diagram of the adjustable wave absorbing device.
Fig. 4 is the inside structure schematic view of overlooking of the adjustable wave absorbing device of the present invention.
Fig. 5 is a schematic view of the interior overlooking structure of the reversing mechanism of the present invention.
Fig. 6 is a schematic view of the interior of the elastic clamping assembly according to the present invention.
In the figure: 1. an anechoic chamber body; 2. an adjustable wave absorbing device; 21. a limiting seat; 22. a slide plate; 23. a bidirectional moving mechanism; 231. a bidirectional screw rod; 232. a slider; 24. a reversing mechanism; 241. a housing; 242. a first reversing gear; 243. a second reversing gear; 25. a rotating mechanism; 251. a rotating wheel; 252. an elastic clamping component; 2521. a connecting rod; 2522. a clamping block; 2523. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
The utility model provides an anechoic chamber with adjusting function as shown in figures 1-6, which comprises an anechoic chamber body 1 and two adjustable wave-absorbing devices 2, wherein the two adjustable wave-absorbing devices 2 are arranged on two sides of the inner wall of the anechoic chamber body 1;
the adjustable wave absorbing device 2 comprises a limiting seat 21, a sliding plate 22, a two-way moving mechanism 23, a reversing mechanism 24 and a rotating mechanism 25, wherein the limiting seat 21 is fixedly arranged on the inner wall of the anechoic chamber body 1, the sliding plate 22 is arranged on two sides of the inner cavity of the limiting seat 21 in a sliding manner, the two-way moving mechanism 23 is arranged in the middle of the inner cavity of the limiting seat 21, the sliding plate 22 is connected with the two-way moving mechanism 23, the reversing mechanism 24 is connected with one end of the two-way moving mechanism 23, the rotating mechanism 25 is inserted into and connected with the anechoic chamber body 1, wave absorbing materials are arranged on the limiting seat 21 and the sliding plate 22, a groove is formed in the middle of the inner wall of the limiting seat 21, the two-way moving mechanism 23 is arranged inside the groove, the sliding plate 22 can be conveniently accommodated in the inner cavity of the limiting seat 21, and the whole area of the adjustable wave absorbing device 2 can be increased through the wave absorbing materials on the sliding plate 22 through sliding plate 22 sliding out;
the bidirectional moving mechanism 23 comprises a bidirectional screw rod 231 and sliding blocks 232, two ends of the bidirectional screw rod 231 are rotatably connected with two sides of the limiting seat 21, the two sliding blocks 232 are symmetrically arranged, the sliding blocks 232 are in threaded penetrating connection with the bidirectional screw rod 231, the sliding blocks 232 are fixedly connected with the sliding plate 22, and through threaded penetrating between the bidirectional screw rod 231 and the sliding blocks 232, the two sliding blocks 232 are conveniently pushed to move in the same direction or in the opposite direction in the inner cavity of the groove, and the movement of the sliding blocks 232 is conveniently limited through the groove;
the reversing mechanism 24 comprises a shell 241, a first reversing gear 242 and a second reversing gear 243, the shell 241 is fixedly connected to one side of the limiting seat 21, the first reversing gear 242 and the second reversing gear 243 are in meshed connection, the middle parts of the first reversing gear 242 and the second reversing gear 243 are connected with round rods, one round rod is connected with the end part of the bidirectional screw rod 231, the other round rod is connected with the rotating mechanism 25, one round rod is in rotating and penetrating connection with the limiting seat 21 and the shell 241, the other round rod is in rotating and penetrating connection with the anechoic chamber body 1 and the shell 241, and the direction of movement can be conveniently converted by ninety degrees through meshing between the first reversing gear 242 and the second reversing gear 243;
the rotating mechanism 25 includes a rotating wheel 251 and an elastic clamping assembly 252, the middle of the rotating wheel 251 is fixedly connected to the end of the round rod, the elastic clamping assembly 252 is inserted and installed at the edge of the rotating wheel 251, the elastic clamping assembly 252 includes a connecting rod 2521, a clamping block 2522 and a spring 2523, one end of the connecting rod 2521 is fixedly connected to the clamping block 2522, the other end of the connecting rod 2521 is fixedly connected to a handle, the connecting rod 2521 is slidably inserted and connected to the rotating wheel 251, the spring 2523 is movably sleeved outside the connecting rod 2521, a plurality of clamping grooves are formed in the anechoic chamber body 1 in an annular array, the clamping block 2522 is matched with an inner cavity of the clamping groove, so that the position of the clamping block 2522 is limited by the clamping groove, the rotating wheel 251 is more stable relative to the anechoic chamber body 1, the position of the sliding plate 22 after the position movement is more stable, the elastic support of the clamping block 2522 is facilitated by the spring 2523, and the matching between the clamping block 2522 and the clamping groove is more stable.
The utility model discloses the theory of operation:
in use, when the wave absorbing area of the adjustable wave absorbing device 2 needs to be enlarged, the second reversing gear 243 is driven to rotate through the rotation of the rotating wheel 251, the first reversing gear 242 is meshed with the second reversing gear 243, so that the rotation of the rotating wheel 251 can drive the rotation of the bidirectional screw rod 231, the sliding of the sliding block 232 is limited through the groove, and the threaded penetration between the bidirectional screw rod 231 and the sliding block 232 is matched, so that the two sliding blocks 232 can be pushed to move back and forth, so that the two sliding plates 22 can be separated and opened back and back, and then the wave absorbing material on the opened sliding plate 22 can be exposed, so that the whole area of the adjustable wave absorbing device 2 is increased, so that the wave absorbing area can be adjusted only by rotating the rotating mechanism 25, the time brought by dismounting is saved, the product testing efficiency is improved, after the exposed area of the sliding plate 22 is adjusted, the pulling force applied to the handle is released, and under the connection of the connecting rod 2521, the elastic force of the spring 2523 is used for penetrating the fixture block 2522 and the clamping groove of the wave absorbing chamber body 1 and fixing the position of the sliding plate 22.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (7)
1. An anechoic chamber with an adjusting function comprises an anechoic chamber body (1) and adjustable wave absorbing devices (2), and is characterized in that the two adjustable wave absorbing devices (2) are arranged on two sides of the inner wall of the anechoic chamber body (1);
wave absorbing device (2) are including spacing seat (21), slide (22), two-way moving mechanism (23), reversing mechanism (24) and slewing mechanism (25), spacing seat (21) fixed mounting is in the inner wall of anechoic chamber body (1), slide (22) slide and set up in the both sides of spacing seat (21) inner chamber, two-way moving mechanism (23) are installed in the middle part of spacing seat (21) inner chamber, slide (22) are connected with two-way moving mechanism (23), the one end of two-way moving mechanism (23) is connected in reversing mechanism (24), slewing mechanism (25) alternate with anechoic chamber body (1) and are connected, all install absorbing material on spacing seat (21) and slide (22).
2. An anechoic chamber with regulation function according to claim 1, characterized in that a groove is formed in the middle of the inner wall of the limiting seat (21), and the bidirectional movement mechanism (23) is arranged inside the groove.
3. The anechoic chamber with the adjusting function according to claim 1, wherein the bidirectional moving mechanism (23) comprises a bidirectional screw rod (231) and sliding blocks (232), two ends of the bidirectional screw rod (231) are rotatably connected with two sides of the limiting seat (21), the two sliding blocks (232) are symmetrically arranged, the sliding blocks (232) are in threaded penetrating connection with the bidirectional screw rod (231), and the sliding blocks (232) are fixedly connected with the sliding plate (22).
4. The anechoic chamber with the adjusting function according to claim 1, wherein the reversing mechanism (24) comprises a housing (241), a first reversing gear (242) and a second reversing gear (243), the housing (241) is fixedly connected to one side of the limiting seat (21), the first reversing gear (242) is meshed with the second reversing gear (243), round rods are connected to the middle portions of the first reversing gear (242) and the second reversing gear (243), one of the round rods is connected with the end portion of the bidirectional screw rod (231), and the other round rod is connected with the rotating mechanism (25).
5. An anechoic chamber with regulation function according to claim 4, characterized in that one of said round rods is rotatably inserted and connected with the limiting seat (21) and the housing (241), and the other round rod is rotatably inserted and connected with the anechoic chamber body (1) and the housing (241).
6. The anechoic chamber with adjusting function according to claim 1, wherein the rotating mechanism (25) comprises a rotating wheel (251) and an elastic clamping assembly (252), the middle part of the rotating wheel (251) is fixedly connected with the end part of the round rod, and the elastic clamping assembly (252) is inserted and installed at the side of the rotating wheel (251).
7. The anechoic chamber with the adjusting function according to claim 6, wherein the elastic clamping assembly (252) comprises a connecting rod (2521), a latch (2522) and a spring (2523), one end of the connecting rod (2521) is fixedly connected with the latch (2522), the other end of the connecting rod (2521) is fixedly connected with a handle, the connecting rod (2521) is slidably inserted into the rotating wheel (251), and the spring (2523) is movably sleeved outside the connecting rod (2521).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222357667.XU CN218099423U (en) | 2022-09-06 | 2022-09-06 | Anechoic chamber with adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222357667.XU CN218099423U (en) | 2022-09-06 | 2022-09-06 | Anechoic chamber with adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218099423U true CN218099423U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222357667.XU Active CN218099423U (en) | 2022-09-06 | 2022-09-06 | Anechoic chamber with adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218099423U (en) |
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2022
- 2022-09-06 CN CN202222357667.XU patent/CN218099423U/en active Active
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