Anti-interference equipment for measuring radiation intensity in anechoic chamber
By introducing magnetic suction structures and shield suction structures into the radio wave darkroom, the problem of manual control of traditional radio wave darkroom doors affecting the accuracy of testing is solved, and the stability and safety of automatic door control and equipment are improved.
Patent Information
- Application Number
- CN202421955325.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The door body of a traditional radio-wave darkroom needs to be opened or closed manually, affecting the accuracy of radiation intensity testing.
An electric wave dark chamber including a magnetic suction structure and a shielding structure is designed, and the opening and closing of the door body is automatically controlled by the magnetic suction of the electromagnet and iron block, and the stability and safety of the equipment are improved through the shielding and wave-absorbing structure.
Automatic control of the door body of the radio wave dark chamber is realized, improving the accuracy of radiation intensity measurement and the stability and safety of the equipment.
Smart Images

Figure CN223139715U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of radiation intensity measurement equipment, and particularly relates to a radiation intensity measurement equipment in an anechoic chamber with anti-interference performance. Background Art
[0002] With the continuous development of the information society, various intelligent electronic, electrical and communication devices have widely entered fields such as families and industries, bringing great convenience to people's lives. However, these devices generate electromagnetic radiation during operation. Excessive electromagnetic radiation will not only affect the normal operation of other devices, but may also pose a potential threat to human health. Therefore, it is necessary to design a radiation intensity measurement equipment in an anechoic chamber;
[0003] For the traditional anechoic chamber, its door needs to be manually opened or closed. If the door is not closed in time when using the anechoic chamber, it will affect the accuracy of the radiation intensity test. Therefore, it is necessary to design an electromagnetic shielding door that can be automatically closed. Content of the Utility Model
[0004] The purpose of the utility model is to provide a radiation intensity measurement equipment in an anechoic chamber with anti-interference performance, so as to solve the defect that for the existing anechoic chamber, its door needs to be manually opened or closed, and if the door is not closed in time when using the anechoic chamber, it will affect the accuracy of the radiation intensity test.
[0005] To solve the above technical problems, the utility model provides the following technical solution: a radiation intensity measurement equipment in an anechoic chamber with anti-interference performance, including an anechoic chamber body;
[0006] A shielding structure is fixed on the outer side of the anechoic chamber body, and an absorbing structure is fixed on the inner side of the anechoic chamber body;
[0007] A door body is hinged on one side of the anechoic chamber body, and a magnetic attraction structure is evenly arranged on the side of the anechoic chamber body close to the door body;
[0008] The magnetic attraction structure includes an installation groove, an iron block, an electromagnet and a circuit board. The installation groove is opened on the side of the anechoic chamber body close to the door body inside the anechoic chamber body. A circuit board is arranged inside the installation groove. An electromagnet is installed on one side of the circuit board. The iron blocks are evenly fixed on the side of the door body close to the electromagnet;
[0009] Electromagnetic shielding windows are installed on both sides inside the anechoic chamber body.
[0010] Furthermore, the shielding structure includes an adhesive layer, a first shielding layer and a second shielding layer. The adhesive layer is fixed on the outer side of the anechoic chamber body. The first shielding layer is fixed on the outer side of the adhesive layer. The second shielding layer is fixed on the outer side of the first shielding layer.
[0011] Further, the first shielding layer is a metal mesh layer, and the second shielding layer is a conductive sponge layer.
[0012] Further, the wave absorbing structure includes a gluing layer, a first wave absorbing layer, and a second wave absorbing layer. The gluing layer is fixed to the inner side of the anechoic chamber body. The first wave absorbing layer is fixed to the inner side of the gluing layer, and the second wave absorbing layer is fixed to the inner side of the first wave absorbing layer.
[0013] Further, the first wave absorbing layer is a graphene layer, and the second wave absorbing layer is a conical carbon-containing sponge layer.
[0014] Further, the iron blocks are symmetrically distributed on both sides of the door body, and one side of the circuit board is fixedly connected to the inner wall of the anechoic chamber body.
[0015] Further, after the electromagnet is energized, it attracts the iron block.
[0016] An anti-interference radiation intensity measuring device in an anechoic chamber provided by the present utility model has the following advantages:
[0017] By providing a magnetic attraction structure, when the door body is in a closed state, the controller causes current to pass through the electromagnet. A magnetic field will be generated around the electromagnet, and the magnetic field will attract the iron block, making the iron block closely fit with the electromagnet. When the door needs to be opened, the controller will cut off the current in the electromagnet. When the current is cut off, the magnetic field around the electromagnet immediately disappears, and the iron block loses the magnetic attraction, and the door body can be opened, realizing the function that the device is convenient to control the opening and closing of the door body, and improving the safety of the radiation intensity measuring device in the anechoic chamber during use;
[0018] By providing a shielding structure, the first shielding layer is a metal mesh layer, which has good electrical conductivity and electromagnetic wave reflection ability, can effectively shield electromagnetic waves, and has a high shielding efficiency. The second shielding layer is a conductive sponge layer, which has good electrical conductivity and compressibility, and can effectively absorb, reflect or block electromagnetic waves, realizing the function that the device can shield the electromagnetic waves outside the anechoic chamber body, and improving the stability of the radiation intensity measuring device in the anechoic chamber during use;
[0019] By providing a wave absorbing structure, the first wave absorbing layer is a graphene layer, which has high wave absorbing performance and can produce an effective wave absorbing effect in a lower frequency range. The second wave absorbing layer is a conical carbon-containing sponge layer, which can provide an effective wave absorbing effect in a wider frequency range and has stable wave absorbing performance, realizing the function that the device is convenient for wave absorption, and improving the stability of the radiation intensity measuring device in the anechoic chamber during use. Description of the Drawings
[0020] Figure 1 It is a three-dimensional structure schematic diagram of the whole of the present utility model;
[0021] Figure 2 is a schematic diagram of the main view sectional structure of the present utility model;
[0022] Figure 3 of the present utility model Figure 2 is a schematic diagram of the enlarged structure at position A;
[0023] Figure 4 is a schematic diagram of the three-dimensional structure of the main view sectional view of the present utility model;
[0024] Figure 5 is a schematic diagram of the top view sectional structure of the present utility model.
[0025] Explanation of the reference numerals in the figure: 1, the main body of the anechoic chamber; 2, the shielding structure; 21, the adhesive layer; 22, the first shielding layer; 23, the second shielding layer; 3, the wave-absorbing structure; 31, the gluing layer; 32, the first wave-absorbing layer; 33, the second wave-absorbing layer; 4, the door body; 5, the magnetic attraction structure; 51, the installation groove; 52, the iron block; 53, the electromagnet; 54, the circuit board; 6, the electromagnetic shielding window. Specific embodiments
[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0027] Please refer to Figures 1 - 5 , a radiation intensity measurement device in an anti-interference anechoic chamber provided by the present utility model includes the main body 1 of the anechoic chamber.
[0028] Refer to Figures 1 - 5 , a shielding structure 2 is fixed on the outer side of the main body 1 of the anechoic chamber. The shielding structure 2 includes an adhesive layer 21, a first shielding layer 22 and a second shielding layer 23. The adhesive layer 21 is fixed on the outer side of the main body 1 of the anechoic chamber. The first shielding layer 22 is fixed on the outer side of the adhesive layer 21, and the second shielding layer 23 is fixed on the outer side of the first shielding layer 22. The first shielding layer 22 is a metal mesh layer, and the second shielding layer 23 is a conductive sponge layer.
[0029] The first shielding layer 22 is a metal mesh layer, which has good electrical conductivity and electromagnetic wave reflection ability, can effectively shield electromagnetic waves, and has a high shielding efficiency. The second shielding layer 23 is a conductive sponge layer, which has good electrical conductivity and compressibility, and can effectively absorb, reflect or block electromagnetic waves.
[0030] Refer to Figures 2 - 5, an absorbing structure 3 is fixed inside the anechoic chamber body 1. The absorbing structure 3 includes an adhesive layer 31, a first absorbing layer 32 and a second absorbing layer 33. The adhesive layer 31 is fixed inside the anechoic chamber body 1. The first absorbing layer 32 is fixed inside the adhesive layer 31, and the second absorbing layer 33 is fixed inside the first absorbing layer 32. The first absorbing layer 32 is a graphene layer, and the second absorbing layer 33 is a conical carbon sponge layer.
[0031] The first absorbing layer 32 is a graphene layer, which has high absorbing performance and can produce an effective absorbing effect in a lower frequency range. The second absorbing layer 33 is a conical carbon sponge layer, which can provide an effective absorbing effect in a wider frequency range and has stable absorbing performance.
[0032] Referring to Figures 2 - 4 , a door body 4 is hinged to one side of the anechoic chamber body 1. A magnetic attraction structure 5 is evenly arranged on one side of the anechoic chamber body 1 close to the door body 4. The magnetic attraction structure 5 includes an installation groove 51, an iron block 52, an electromagnet 53 and a circuit board 54. The installation groove 51 is opened on one side of the anechoic chamber body 1 close to the door body 4. The circuit board 54 is arranged inside the installation groove 51. The electromagnet 53 is installed on one side of the circuit board 54. The iron blocks 52 are evenly fixed on one side of the door body 4 close to the electromagnet 53. The iron blocks 52 are symmetrically distributed on both sides of the door body 4. One side of the circuit board 54 is fixedly connected to the inner wall of the anechoic chamber body 1. After the electromagnet 53 is powered on, it attracts the iron block 52. Electromagnetic shielding windows 6 are installed on both sides inside the anechoic chamber body 1.
[0033] External power supply. When the door body 4 is in the closed state, the controller makes current pass through the electromagnet 53. A magnetic field will be generated around the electromagnet 53, and the magnetic field will attract the iron block 52, making the iron block 52 closely fit with the electromagnet 53. When the door needs to be opened, the controller will cut off the current in the electromagnet 53. When the current is cut off, the magnetic field around the electromagnet 53 disappears immediately, and the iron block 52 loses the magnetic attraction, and the door body 4 can be opened.
[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. An anti-interference radiation intensity measurement device in an anechoic chamber, comprising an anechoic chamber body (1); Characterized in that: A shielding structure (2) is fixed on the outer side of the anechoic chamber body (1), and an absorbing structure (3) is fixed on the inner side of the anechoic chamber body (1); A door body (4) is hinged on one side of the anechoic chamber body (1), and a magnetic attraction structure (5) is evenly arranged on the side of the anechoic chamber body (1) close to the door body (4); The magnetic attraction structure (5) includes an installation groove (51), an iron block (52), an electromagnet (53) and a circuit board (54). The installation groove (51) is opened on the side of the inner part of the anechoic chamber body (1) close to the door body (4). A circuit board (54) is arranged inside the installation groove (51). An electromagnet (53) is installed on one side of the circuit board (54), and the iron blocks (52) are evenly fixed on the side of the door body (4) close to the electromagnet (53); Electromagnetic shielding windows (6) are installed on both sides inside the anechoic chamber body (1).
2. The radiation intensity measurement device in an anechoic chamber with anti-interference according to claim 1, wherein: The shielding structure (2) includes an adhesive layer (21), a first shielding layer (22) and a second shielding layer (23). The adhesive layer (21) is fixed on the outer side of the anechoic chamber body (1). The first shielding layer (22) is fixed on the outer side of the adhesive layer (21), and the second shielding layer (23) is fixed on the outer side of the first shielding layer (22).
3. The radiation intensity measuring device in an anechoic chamber with anti-interference according to claim 2, characterized in that: The first shielding layer (22) is a metal mesh layer, and the second shielding layer (23) is a conductive sponge layer.
4. A radiation intensity measurement device in an anechoic chamber with anti-interference according to claim 1, characterized in that: The absorbing structure (3) includes a gluing layer (31), a first absorbing layer (32) and a second absorbing layer (33). The gluing layer (31) is fixed on the inner side of the anechoic chamber body (1). The first absorbing layer (32) is fixed on the inner side of the gluing layer (31), and the second absorbing layer (33) is fixed on the inner side of the first absorbing layer (32).
5. The radiation intensity measurement device in an anechoic chamber with anti-interference according to claim 4, wherein: The first absorbing layer (32) is a graphene layer, and the second absorbing layer (33) is a conical carbon-containing sponge layer.
6. The radiation intensity measurement device in an anechoic chamber with anti-interference according to claim 1, characterized in that: The iron blocks (52) are symmetrically distributed on both sides of the door body (4), and one side of the circuit board (54) is fixedly connected to the inner wall of the anechoic chamber body (1).
7. An anti-interference radio wave anechoic chamber radiation intensity measuring device according to claim 1, characterized in that: After the electromagnet (53) is energized, it attracts the iron block (52).