Wave absorbing and blocking device and anechoic chamber

Abstract

The present disclosure relates to a wave-absorbing enclosure device and an anechoic chamber, wherein the wave-absorbing enclosure device comprises a baffle (1), a sliding block (2) and a locking assembly (3), the baffle (1) and the sliding block (2) are both made of a material capable of absorbing electromagnetic waves, the baffle (1) is provided with a sliding groove (11) on the side surface, the sliding block (2) is slidably installed in the sliding groove (11), and the locking assembly (3) is configured to lock the sliding block (2) so that the sliding block (2) is kept fixed relative to the baffle (1). The anechoic chamber comprises the wave-absorbing enclosure device. The wave-absorbing enclosure device provided by the present disclosure can be subjected to wave-absorbing treatment without removing metal equipment, thereby avoiding the influence of the reflection of electromagnetic waves by the metal equipment on the accuracy and site uniformity of the measurement of the anechoic chamber; moreover, the sliding block is installed in a simple operation mode and has high disassembly and assembly efficiency; and the sliding block is fixed through the locking assembly, thereby being stable.

Description

Technical Field

[0001] This disclosure relates to the field of electromagnetic compatibility test chamber construction technology, and in particular to an absorbing enclosure device and an anechoic chamber. Background Technology

[0002] An anechoic chamber is used in the field of electromagnetic compatibility testing to measure the radiated emissions of electronic products or the anti-interference capability of test equipment. An anechoic chamber mainly consists of a complete metal shielding structure and absorbing materials. Signals and power lines entering and exiting the chamber require filtering, and ventilation openings and doors also need appropriate filtering and shielding schemes to ensure that no interference signals enter the test chamber, providing a clean space free of electromagnetic waves.

[0003] The term "net space" refers to a test area where only direct waves exist, with no reflected waves, ensuring the uniformity of the electromagnetic field. When testing equipment, this ensures, on the one hand, the electromagnetic waves emitted by the equipment can be accurately captured to confirm whether the emitted dose meets preset conditions; on the other hand, when interference is injected into the equipment, there are no multiple reflections of energy, preventing uncertainty in the energy injected into the tested equipment and leading to inconsistent test results.

[0004] To ensure measurement consistency in each laboratory, GB / T 18655 and other standards stipulate that during the test, all metal objects unrelated to the test equipment in the anechoic chamber should be placed outside the chamber, and immovable metal equipment should be treated with wave-absorbing technology to ensure the uniformity of the site. Summary of the Invention

[0005] This disclosure provides an absorbing enclosure device and an anechoic chamber, which can effectively shield immovable metal equipment inside the anechoic chamber, reduce the reflection of electromagnetic waves by the metal equipment, and reduce the impact on the accuracy of test results. Furthermore, the absorbing enclosure device is very easy to install and remove.

[0006] According to one aspect of this disclosure, a wave-absorbing enclosure device is provided, comprising: The baffle is made of a material that can absorb electromagnetic waves and has grooves on its side. The slider, made of a material capable of absorbing electromagnetic waves, is slidably mounted within a groove; and The locking component is configured to lock the slider so that the slider remains fixed relative to the baffle.

[0007] In some embodiments, there are multiple baffles arranged around the outer periphery of a preset component.

[0008] In some embodiments, the wave-absorbing enclosure device further includes a first connector, which rotatably connects two adjacent baffles and is located inside the baffle.

[0009] In some embodiments, the wave-absorbing enclosure device further includes a second connector configured to connect two adjacent baffles, and the second connector is located on the outside of the baffles.

[0010] In some embodiments, the wave-absorbing enclosure device further includes a plurality of spaced-apart baffles mounted on the baffle, with adjacent baffles forming a groove together.

[0011] In some embodiments, in two adjacent baffles, at least one baffle has a first groove on the side opposite to the other baffle, and the gap between the first groove and the two baffles forms a groove.

[0012] In some embodiments, there are multiple slides arranged in parallel.

[0013] In some embodiments, the number of sliders is multiple, and multiple sliders are provided in each groove.

[0014] In some embodiments, the baffle has a first connecting hole, the slider has a second connecting hole, and the locking component includes a latch configured to rotate relative to the slider after passing through the second connecting hole and the first connecting hole, so as to connect the slider and the baffle by the latch.

[0015] In some embodiments, the latch includes a latch body, a rotating part, and a latching part. The rotating part is rotatably mounted in the latch body, and the latching part is connected to the end of the rotating part. The first connecting hole is provided with a plurality of first blocking parts, and a retaining groove is formed between two adjacent first blocking parts. After passing through the retaining groove, the latching part is latched onto the first blocking part by the rotation of the rotating part.

[0016] In some embodiments, the locking assembly further includes an elastic element disposed in the second connecting hole and fitted around the outer periphery of the latch. The outer periphery of the latch is provided with a second blocking portion, and the end of the second connecting hole is provided with a third blocking portion. The two ends of the elastic element abut against the second blocking portion and the third blocking portion, respectively.

[0017] In some embodiments, the locking assembly further includes a cover disposed on the outside of the latch and used to seal the second connection hole.

[0018] In some embodiments, the wave-absorbing enclosure device further includes a base, on which multiple baffles are mounted, and the area of ​​the base is larger than the area of ​​the region formed by the multiple baffles.

[0019] In some embodiments, the baffle is made of wood or plastic; and / or the slider is made of manganese-zinc ferrite or nickel-zinc ferrite.

[0020] According to another aspect of this disclosure, an anechoic chamber is provided, including the aforementioned wave-absorbing enclosure device.

[0021] Based on the above technical solution, the wave-absorbing enclosure device embodiment provided in this disclosure can perform wave absorption treatment by enclosure without removing the metal equipment, avoiding the impact of electromagnetic waves reflected by the metal equipment on the accuracy of the anechoic chamber measurement and the uniformity of the site; moreover, the installation method of the slider is relatively simple and the disassembly and assembly efficiency is high; the slider is fixed by locking components, which has good stability. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of this disclosure and form part of this application, illustrate exemplary embodiments of this disclosure and are used to explain this disclosure, but do not constitute an undue limitation of this disclosure. In the drawings: Figure 1 Exploded views of some embodiments of the wave-absorbing enclosure device provided in this disclosure.

[0023] Figure 2 An exploded view of a portion of the structure of some embodiments of the wave-absorbing enclosure device provided in this disclosure.

[0024] Figure 3 for Figure 2 Enlarged view of the part indicated by reference numeral A.

[0025] Figure 4 These are schematic diagrams illustrating the structure of some embodiments of the wave-absorbing enclosure device provided in this disclosure.

[0026] Figure 5 for Figure 4 Enlarged view of the part indicated by reference numeral B.

[0027] Figure 6 for Figure 4 Enlarged view of the part indicated by reference numeral C.

[0028] Figure 7 This is a schematic diagram of the structure of some embodiments of the wave-absorbing enclosure device provided in this disclosure, mounted on a base.

[0029] Figure 8 for Figure 7 Enlarged view of the part indicated by the number D.

[0030] Figure 9 for Figure 7 Enlarged view of the part indicated by the standard number E.

[0031] Figure 10 Schematic diagrams of other embodiments of the wave-absorbing enclosure device provided in this disclosure.

[0032] Figure 11 This is a schematic diagram of the locking component in some embodiments of the wave-absorbing enclosure device provided in this disclosure.

[0033] Figure 12A cross-sectional view of the locking component in some embodiments of the wave-absorbing enclosure device provided in this disclosure.

[0034] In the picture: 1. Baffle; 11. Slide groove; 12. First connecting hole; 121. First blocking part; 13. Limiting part; 2. Slider; 21. Second connecting hole; 3. Locking assembly; 31. Locking pin; 311. Locking pin body; 312. Rotating part; 313. Locking part; 32. Elastic element; 33. Cover; 4. First connecting member; 5. Second connecting member; 6. Stop bar; 61. First stop bar; 62. Second stop bar; 7. Base; 71. Limiting groove. Detailed Implementation

[0035] The technical solutions in the embodiments of this disclosure will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of this disclosure, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0036] In the description of this disclosure, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this disclosure.

[0037] As described in the background section, metal components reflect electromagnetic waves, affecting the accuracy of measurements and the consistency of the testing environment. Therefore, to reduce the impact of reflections from metal components, no metal objects unrelated to the experiment should be placed inside the anechoic chamber. If there are immovable metal devices, these devices need to undergo electromagnetic wave absorption treatment.

[0038] To facilitate the absorption of electromagnetic radiation from immovable metal equipment within an anechoic chamber, this disclosure provides an absorbing enclosure device. This device absorbs radiation by enclosing the immovable metal equipment within the anechoic chamber. This absorption method eliminates the need for any pretreatment of the metal equipment itself, thus preventing damage during the absorption process.

[0039] refer to Figures 1 to 12As shown, in some embodiments of the wave-absorbing enclosure device provided in this disclosure, the wave-absorbing enclosure device includes a baffle 1, a slider 2 and a locking component 3. Both the baffle 1 and the slider 2 are made of materials with the ability to absorb electromagnetic waves. The side of the baffle 1 is provided with a groove 11, and the slider 2 is slidably installed in the groove 11. The locking component 3 is configured to lock the slider 2 so that the slider 2 remains fixed relative to the baffle 1.

[0040] In this embodiment, the slider 2 is installed in the groove 11 on the baffle 1. Both the baffle 1 and the slider 2 are made of materials that can absorb electromagnetic waves. The baffle 1 surrounds the outer perimeter of the metal equipment, which can prevent the metal equipment from reflecting electromagnetic waves and achieve the purpose of absorbing electromagnetic waves on the metal equipment, thus preventing reflected electromagnetic waves from affecting the accuracy and consistency of the test measurement.

[0041] In this embodiment, the slider 2 can be installed into the slide groove 11 by sliding relative to the slide groove 11, which is convenient to operate and has high installation efficiency.

[0042] In this embodiment of the present disclosure, by setting the locking component 3, after the slider 2 is installed in the slide groove 11, the locking component 3 can lock the slider 2, so that the slider 2 remains fixed relative to the baffle 1, thereby improving the stability of the slider 2 and preventing the slider 2 from falling out of the baffle 1 and affecting the wave absorption effect.

[0043] In some embodiments, there are multiple baffles 1, which are arranged around the outer periphery of a preset component. The preset component may be a metal device that cannot be moved in an anechoic chamber.

[0044] By setting multiple baffles 1, the outer periphery of the preset component can be completely wrapped by the multiple baffles 1, forming a comprehensive wrapping of the preset component and forming an all-round wave absorption treatment on the outer periphery of the preset component, thereby improving the wave absorption effect.

[0045] By setting multiple baffles 1, the number of baffles 1 can be flexibly selected according to the shape of the preset component, and a fencing device adapted to the shape of the preset component can be assembled.

[0046] For example, depending on the shape of the preset components, the wave-absorbing enclosure device can be a triangular prism shape (such as...). Figure 10 As shown), cuboid shape (such as...) Figure 1 , Figure 4 and Figure 7 As shown), it can be a pentagonal prism shape, or other irregular shapes.

[0047] In this embodiment, the shape of the baffle 1 can be chosen in various ways, such as triangular, rectangular, or circular. Multiple baffles 1 can have the same or different shapes.

[0048] In some embodiments, the wave-absorbing enclosure device further includes a first connector 4, which rotatably connects two adjacent baffles 1, and the first connector 4 is located inside the baffles 1. It is understood that "inside" here refers to the interior of the space surrounded by the plurality of baffles 1.

[0049] By setting the first connector 4, two adjacent baffles 1 can be connected together, keeping the two baffles 1 relatively fixed, so that multiple baffles 1 can form a fixed shape around the outer periphery of the preset component.

[0050] Moreover, the first connector 4 can cause two adjacent baffles 1 to rotate relative to each other, so as to adjust the relative angle between the two adjacent baffles 1 according to the shape of the preset component and adapt to different shapes of the preset component.

[0051] In addition, the first connector 4 is located on the inner side of the baffle 1, which can reduce the material requirements for the first connector 4. For example, it is not necessary to select the first connector 4 as a wave-absorbing material, thereby broadening the material selection range of the first connector 4. For example, the first connector 4 can be made of metal, which can improve the connection strength of the first connector 4 and thus improve the overall structural strength of the wave-absorbing enclosure device formed by connecting multiple baffles 1.

[0052] like Figure 8 As shown, in some embodiments, the first connector 4 may be a hinge.

[0053] In some embodiments, the wave-absorbing enclosure device further includes a second connector 5, which is configured to connect two adjacent baffles 1, and the second connector 5 is located outside the baffles 1. It is understood that "outside" here refers to the exterior of the space surrounded by the plurality of baffles 1.

[0054] By providing a second connector 5 located on the outside of the baffle 1, two baffles 1 that are not connected by the first connector 4 among the multiple baffles 1 that make up the wave-absorbing enclosure device can be connected. After the multiple baffles 1 arranged around the periphery of the preset component are connected sequentially by the first connector 4, the two baffles 1 located at the beginning and end can be connected by the second connector 5. Since the second connector 5 is located on the outside of the baffle 1, the connection is relatively convenient.

[0055] Since the second connector 5 is located on the outside of the baffle 1, in some embodiments, the second connector 5 may be made of a wave-absorbing material.

[0056] like Figure 10 As shown, in some embodiments, the second connector 5 may be a latch.

[0057] There are several ways to form the groove 11. For example, a groove for mounting the slider 2 can be formed on the surface of the baffle 1.

[0058] like Figure 2 As shown, in some embodiments, the wave-absorbing enclosure device further includes a plurality of spaced baffles 6 installed on the baffle 1, with a groove 11 formed between two adjacent baffles 6.

[0059] By setting multiple spaced baffles 6 on the surface of the baffle 1 and forming a groove 11 through the gap between two baffles 6, the structural modification of the baffle 1 can be omitted, and the surface of the baffle 1 can be kept flat.

[0060] The shape of the stop bar 6 can be varied, for example, it can be straight or curved. Correspondingly, the shape of the groove 11 can also be varied, for example, it can be straight or curved.

[0061] In some embodiments, in two adjacent baffles 6, at least one baffle 6 has a first groove on the side opposite to the other baffle 6, and the first groove and the gap between the two baffles 6 together form a groove 11.

[0062] By setting a first groove and forming a slide groove 11 through the gap between the first groove and the two stop bars 6, the slider 2 can be limited by the groove wall of the first groove, thereby improving the installation stability of the slider 2.

[0063] like Figure 2 As shown, the baffle 6 includes two first baffles 61 and a plurality of second baffles 62. The two first baffles 61 are respectively installed on the upper and lower parts of the baffle 1, and the plurality of second baffles 62 are installed at intervals between the two first baffles 61. The width of the first baffles 61 is smaller than the width of the second baffles 62.

[0064] The lower surface of the upper first stop bar 61 is provided with a first groove, and the upper surface of the lower first stop bar 61 is provided with a first groove. The upper and lower surfaces of each second stop bar 62 are provided with a first groove.

[0065] The extension direction of the first groove is parallel to the extension direction of the slide groove 11.

[0066] In some embodiments, the slide groove 11 extends to the end edge of the baffle 1. The first groove also extends to the end edge of the baffle 1. The advantage of this arrangement is that the slider 2 can be pushed into the slide groove 11 from the end edge of the baffle 1, and the slider 2 can be installed in a preset position in the slide groove 11 by sliding the slider 2 relative to the slide groove 11.

[0067] In some embodiments, the number of slides 11 is multiple, and the multiple slides 11 are arranged in parallel.

[0068] By arranging multiple slides 11 in parallel, it is beneficial to improve the regularity of the arrangement of multiple slides 11, and further improve the coverage of the slider 2 on the baffle 1 through the regularity of the slides 11, avoiding the situation where the slider 2 cannot cover the area of ​​the baffle 1 due to the intersection of slides 11.

[0069] In some embodiments, there are multiple sliders 2, with multiple sliders 2 disposed within each groove 11. By using multiple sliders 2, the volume of a single slider 2 can be reduced, making it easier to set the slider 2 to a fixed volume. The number of sliders 2 can then be determined based on the size of the baffle 1. Setting the slider 2 to a fixed volume facilitates the manufacturing of the slider 2 and reduces its manufacturing cost.

[0070] like Figure 3 and Figure 11 As shown, in some embodiments, the baffle 1 is provided with a first connecting hole 12, the slider 2 is provided with a second connecting hole 21, and the locking component 3 includes a locking pin 31, which is configured to rotate relative to the slider 2 after passing through the second connecting hole 21 and the first connecting hole 12, so as to connect the slider 2 and the baffle 1 through the locking pin 31.

[0071] By setting a locking pin 31 that is rotatable relative to the slider 2, after the slider 2 is installed into the slide groove 11, the locking pin 31 can be rotated into the second connecting hole 21, and the slider 2 and the baffle 1 can be connected and fixed by the rotation of the locking pin 31.

[0072] In some embodiments, the latch 31 includes a latch body 311, a rotating part 312, and a latching part 313. The rotating part 312 is rotatably installed in the latch body 311, and the latching part 313 is connected to the end of the rotating part 312. The first connecting hole 12 is provided with a plurality of first blocking parts 121, and a retaining groove is formed between two adjacent first blocking parts 121. After passing through the retaining groove, the latching part 313 is latched onto the first blocking part 121 by the rotation of the rotating part 312.

[0073] Multiple first blocking parts 121 are arranged at intervals through the first connecting hole 12, and a retaining groove is formed between two adjacent first blocking parts 121. After the locking part 313 passes through the retaining groove, the rotating part 312 can be rotated to make the locking part 313 overlap with the first blocking part 121, so that the locking part 313 cannot return through the retaining groove, thereby realizing the connection between the locking pin 31 and the baffle 1, that is, realizing the relative fixation of the slider 2 and the baffle 1, and preventing the slider 2 from slipping off the baffle 1.

[0074] In some embodiments, the first blocking part 121 may be disposed inside the first connecting hole 12 or at the end of the first connecting hole 12.

[0075] The first blocking part 121 can be arc-shaped, and multiple first blocking parts 121 are arranged circumferentially around the first connecting hole 12. Correspondingly, the snap-fit ​​part 313 can also be arc-shaped.

[0076] The end of the rotating part 312 can be configured in a shape that is easy to grip and rotate, such as a rectangle or a rhombus.

[0077] In some embodiments, the locking assembly 3 further includes an elastic member 32, which is disposed in the second connecting hole 21 and fitted around the outer periphery of the locking pin 31. The outer periphery of the locking pin 31 is provided with a second blocking portion, and the end of the second connecting hole 21 is provided with a third blocking portion. The two ends of the elastic member 32 abut against the second blocking portion and the third blocking portion, respectively.

[0078] By providing the elastic element 32, the elastic element 32 can be compressed by pressing the locking pin 31, thereby enabling the locking part 313 to pass through the retaining groove. Furthermore, after rotating the rotating part 312, the elastic potential energy of the elastic element 32 can improve the stability of the locking, thereby improving the reliability of the connection between the slider 2 and the baffle 1. When disassembling the slider 2, the elastic element 32 can also assist the locking pin 31 in popping out, improving the disassembly efficiency.

[0079] In some embodiments, the locking assembly 3 further includes a cover 33 disposed on the outside of the latch 31 and used to seal the second connection hole 21.

[0080] By setting the cover 33, it can be used to seal the second connection hole 21. First, it can protect and limit the locking pin 31, preventing the locking pin 31 from being accidentally rotated and losing its connection function. Second, it can prevent dust and other foreign objects from entering the second connection hole 21. Furthermore, by using a wave-absorbing material for the cover 33, the restrictions on the selection of materials for the locking pin 31 and the elastic element 32 are reduced, allowing the locking pin 31 and the elastic element 32 to use metal parts with higher strength, thereby improving the reliability of the connection.

[0081] In some embodiments, the wave-absorbing enclosure device further includes a base 7, on which a plurality of baffles 1 are mounted, and the area of ​​the base 7 is larger than the area of ​​the region formed by the plurality of baffles 1.

[0082] By setting a larger base 7, the bottom area of ​​the overall structure of the wave-absorbing enclosure can be increased, the grounding pressure can be increased, and the stability of the wave-absorbing enclosure can be improved.

[0083] In some embodiments, the baffle 1 is made of wood or plastic; and / or the slider 2 is made of manganese-zinc ferrite or nickel-zinc ferrite.

[0084] In some embodiments, the upper and lower parts of the baffle 1 are provided with third connecting holes. The third connecting holes can be used to install the baffle 1 above and below the baffle 1 to increase the height of the wave-absorbing enclosure device according to the height of the preset component.

[0085] Based on the above-described absorbing enclosure device, this disclosure also proposes an anechoic chamber, which includes the above-described absorbing enclosure device.

[0086] By applying the wave-absorbing enclosure device provided in this disclosure to an anechoic chamber, immovable metal equipment in the anechoic chamber can be enclosed by the wave-absorbing enclosure device. Wave absorption can be performed without moving the metal equipment or reducing the original support capacity of the metal equipment, thus avoiding the reflection of electromagnetic waves by the metal equipment from affecting the accuracy and uniformity of the test.

[0087] The positive technical effects of the wave-absorbing enclosure devices in the above embodiments are also applicable to anechoic chambers, and will not be elaborated here.

[0088] The following is in conjunction with the appendix Figures 1 to 12 The structure and assembly process of one embodiment of the wave-absorbing enclosure device provided in this disclosure will be described: like Figures 1 to 12 As shown, the wave-absorbing enclosure device includes a baffle 1, a slider 2, a locking assembly 3, a first connector 4, a second connector 5, a baffle strip 6, and a base 7.

[0089] like Figures 1 to 10 As shown, baffle 1 is rectangular. Baffle 1 is made of wood. Four baffles 1 surround each other to form a cuboid shape. Slider 2 is made of ferrite material.

[0090] like Figure 2 and Figure 3 As shown, the baffle 6 includes two first baffles 61 and a plurality of second baffles 62. The two first baffles 61 are respectively installed on the upper and lower parts of the baffle 1, and the plurality of second baffles 62 are installed between the two first baffles 61 at intervals.

[0091] Multiple grooves 11 are formed between the first stop bar 61 and the adjacent second stop bar 62, as well as between the two second stop bars 62. The sides of the first stop bar 61 and the second stop bar 62 are also provided with first grooves. The grooves 11 extend to the edge of the baffle 1, and the slider 2 can be pushed into the grooves 11 through the end of the grooves 11 and move to a preset position by sliding relative to the grooves 11.

[0092] like Figure 4 , Figure 5 and Figure 6 As shown, after multiple baffles 1 are connected, the first and last baffles 1 are locked together by a second connector 5 located outside the space surrounded by the multiple baffles 1. The sliders 2 are pushed into the slide grooves 11 one by one.

[0093] like Figure 7 , Figure 8 and Figure 9 As shown, two adjacent baffles 1 are rotatably connected by a first connector 4 located inside the space surrounded by multiple baffles 1.

[0094] The base 7 is provided with a limiting groove 71, and the bottom of the baffle 1 is provided with a limiting part 13. The limiting part 13 is inserted into the limiting groove 71 to realize the plug-in connection between the baffle 1 and the base 7.

[0095] like Figure 10 As shown, depending on the shape of the metal device, the baffle 1 can be arranged to form a triangular prism shape.

[0096] like Figure 11 and Figure 12 As shown, the locking assembly 3 includes a latch 31, an elastic element 32, and a cover 33. The latch 31 includes a latch body 311, a rotating part 312, and a locking part 313. The locking part 313 is connected to the end of the rotating part 312, which is rotatably mounted in the latch body 311. The elastic element 32 is fitted onto the outer periphery of the latch body 311. The slider 2 has a second connecting hole 21, and both ends of the elastic element 32 abut against the third blocking part on the latch body 311 and the second blocking part inside the second connecting hole 21, respectively. The cover 33 seals the second connecting hole 21.

[0097] The assembly process of the wave-absorbing enclosure device is described below.

[0098] Background information before assembly: The anechoic chamber has a floor, on which a support structure for supporting the equipment under test is installed. To improve the stability of the support, this support structure is made of metal, which reflects electromagnetic waves directly incident from the space. Therefore, it is necessary to install the wave-absorbing enclosure device provided in this embodiment on the outside of the metal support structure to enclose the metal support structure on all four sides.

[0099] The assembly process of the wave-absorbing enclosure device is as follows: First, the baffles 1 on three sides of the wave-absorbing enclosure device are connected using the first connector 4, and the remaining single side is connected using the second connector 5; Then, the first stop bar 61 and the second stop bar 62 are installed on the outer surface of the baffle 1 to form a plurality of grooves 11 (this step can be omitted if the baffle 1 with the first stop bar 61 and the second stop bar 62 pre-installed is used). Next, push the sliders 2 into the grooves 11 one by one, and cover the four baffles 1 with sliders 2. Finally, insert the limiting part 13 at the bottom of the baffle 1 into the limiting groove 71 of the base 7 to complete the assembly of the wave-absorbing enclosure device.

[0100] During use, the wave-absorbing material of slider 2 can absorb the electromagnetic waves that are directly incident on the ground and convert them into heat energy for dissipation, thereby ensuring that no reflected waves are generated in the metal support structure and ensuring the uniformity of the site.

[0101] The wave-absorbing enclosure device embodiment provided in this disclosure is made entirely of wood, making disassembly and assembly very convenient. It solves the problems of cumbersome disassembly and assembly, high maintenance costs, and the generation of excess metal reflective parts in traditional enclosure structures. Adjacent baffles can be rotatably connected through a first connector, and the angle between the two baffles can be adjusted as needed to meet the requirements of enclosures of different shapes. Moreover, by increasing or decreasing the number of baffles, the perimeter and height of the enclosure device can be adjusted to achieve flexible assembly and adapt to heavy metal support fixtures of different sizes, shapes, and placement angles. This overcomes the technical shortcomings of traditional structures, such as poor versatility and inability to fully cover the enclosure, and breaks through the defects of traditional anechoic chambers, such as fixed shielding structures, single specifications, and inability to adapt to irregularly shaped metal support structures.

[0102] The wave-absorbing enclosure device embodiments provided in this disclosure have at least the following technical effects: 1. Effectively improves the uniformity of the electromagnetic field in the anechoic chamber and the consistency of experimental data. By wrapping the non-removable metal support fixture inside the anechoic chamber with almost all-around wave-absorbing material, the secondary reflection waves of the metal are eliminated, ensuring that the electromagnetic waves in the test area are only direct waves from the equipment. This effectively solves the problems of field distortion, measurement point deviation, and poor reproducibility of test results caused by reflected clutter, and effectively improves the accuracy of EMC radiated emission and anti-interference testing.

[0103] 2. Meet laboratory compliance requirements while ensuring structural safety. Traditional pure wood and plastic supports cannot bear the load of heavy tooling. The embodiments disclosed in this paper retain a high-strength metal load-bearing structure and use a non-metallic wave-absorbing enclosure for shielding, which takes into account both mechanical safety and electromagnetic purity environment, and meets the mandatory test requirements of the national standard that "unrelated metals in dark rooms must be shielded or externally placed".

[0104] 3. High versatility and adaptable to various metal tooling scenarios of different specifications. Relying on a foldable, splicable, and expandable modular structure, it can be adapted to various metal supports and tooling of different heights, lengths, shapes, and inclinations. One set of wave-absorbing enclosure device can cover most of the support structures of the laboratory, effectively improving the equipment reuse rate and reducing the cost of laboratory renovation and customized tooling.

[0105] 4. High assembly and disassembly efficiency, convenient maintenance, and reduced secondary electromagnetic pollution. It adopts a tool-free installation structure with a sliding groove, which allows for fast setup and dismantling and effectively improves the efficiency of test switching. The exterior has virtually no metal fasteners or extra reflective structures, so it will not introduce new sources of electromagnetic interference. At the same time, the slider can be replaced individually if damaged, resulting in low maintenance costs.

[0106] 5. Effectively reduce the construction, operation, and renovation costs of laboratories. There is no need to customize a large number of non-metallic heavy tooling to avoid reflection problems, nor is there any need to modify the original laboratory support system. The standard can be met by using an external detachable enclosure device, which effectively reduces the construction cost and time of darkroom upgrade, compliance rectification and site optimization.

[0107] The description of the various embodiments above tends to emphasize the differences between the various embodiments. The similarities or similarities between them can be referred to, and for the sake of brevity, they will not be repeated here.

[0108] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and not to limit them; although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this disclosure or equivalent substitutions can still be made to some technical features without departing from the principles of this disclosure, and such modifications and equivalent substitutions should all be covered within the scope of the technical solutions claimed in this disclosure.

Claims

1. A wave-absorbing enclosure device, characterized in that, include: The baffle (1) is made of a material that can absorb electromagnetic waves, and its side is provided with a groove (11). The slider (2) is made of a material that can absorb electromagnetic waves and is slidably installed in the groove (11); and The locking component (3) is configured to lock the slider (2) so that the slider (2) remains fixed relative to the baffle (1).

2. The wave-absorbing enclosure device according to claim 1, characterized in that, The number of baffles (1) is multiple, and the multiple baffles (1) are arranged around the outer periphery of the preset component.

3. The wave-absorbing enclosure device according to claim 1, characterized in that, It also includes a first connector (4), which rotatably connects two adjacent baffles (1) and the first connector (4) is located inside the baffle (1).

4. The wave-absorbing enclosure device according to claim 1, characterized in that, It also includes a second connector (5) configured to connect two adjacent baffles (1), and the second connector (5) is located outside the baffles (1).

5. The wave-absorbing enclosure device according to claim 1, characterized in that, It also includes a plurality of spaced-apart baffles (6) installed on the baffle (1), with the groove (11) formed between two adjacent baffles (6).

6. The wave-absorbing enclosure device according to claim 5, characterized in that, In two adjacent baffles (6), at least one baffle (6) has a first groove on the side opposite to the other baffle (6), and the first groove and the gap between the two baffles (6) together form the groove (11).

7. The wave-absorbing enclosure device according to claim 1, characterized in that, The number of the slide grooves (11) is multiple, and the multiple slide grooves (11) are arranged in parallel.

8. The wave-absorbing enclosure device according to claim 1, characterized in that, The number of sliders (2) is multiple, and multiple sliders (2) are provided in each groove (11).

9. The wave-absorbing enclosure device according to claim 1, characterized in that, The baffle (1) is provided with a first connecting hole (12), the slider (2) is provided with a second connecting hole (21), and the locking assembly (3) includes a latch (31). The latch (31) is configured to rotate relative to the slider (2) after passing through the second connecting hole (21) and the first connecting hole (12) so as to connect the slider (2) and the baffle (1) through the latch (31).

10. The wave-absorbing enclosure device according to claim 9, characterized in that, The latch (31) includes a latch body (311), a rotating part (312), and a latching part (313). The rotating part (312) is rotatably installed inside the latch body (311). The latching part (313) is connected to the end of the rotating part (312). The first connecting hole (12) is provided with a plurality of first blocking parts (121). A groove is formed between two adjacent first blocking parts (121). After passing through the groove, the latching part (313) is latched onto the first blocking part (121) by the rotation of the rotating part (312).

11. The wave-absorbing enclosure device according to claim 9, characterized in that, The locking component (3) further includes an elastic element (32), which is disposed in the second connecting hole (21) and fitted around the outer periphery of the latch (31). The outer periphery of the latch (31) is provided with a second blocking part, and the end of the second connecting hole (21) is provided with a third blocking part. The two ends of the elastic element (32) abut against the second blocking part and the third blocking part, respectively.

12. The wave-absorbing enclosure device according to claim 9, characterized in that, The locking assembly (3) also includes a cover (33) disposed on the outside of the latch (31) and used to seal the second connection hole (21).

13. The wave-absorbing enclosure device according to claim 1, characterized in that, It also includes a base (7), on which a plurality of the baffles (1) are mounted, the area of ​​the base (7) being larger than the area of ​​the region formed by the plurality of baffles (1).

14. The wave-absorbing enclosure device according to claim 1, characterized in that, The baffle (1) is made of wood or plastic; and / or the slider (2) is made of manganese zinc ferrite or nickel zinc ferrite.

15. An anechoic chamber, characterized in that, Includes the wave-absorbing enclosure device as described in any one of claims 1 to 14.

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