Electromagnetic shielding sound absorption and insulation material

Abstract

The utility model discloses an electromagnetic shielding sound-absorbing and sound-insulating material, which particularly relates to the field of medical treatment and comprises a plate main body consisting of an electromagnetic shielding layer, an insulating layer, a sound-absorbing layer, a sound-insulating damping layer, an air sound-insulating layer, a structure reinforcing layer and a decorative layer. The electromagnetic shielding layer, the insulating layer, the sound absorption layer, the sound insulation damping layer, the air sound insulation layer, the structure enhancement layer and the decoration layer are sequentially arranged on the board body from outside to inside. When the magnetic resonance imaging device is used, an electromagnetic shielding function is conveniently provided, interference and radiation of external electromagnetic waves are effectively blocked, normal operation and data accuracy of the MRI device are ensured, sound energy is conveniently absorbed and weakened, the sound insulation performance is improved, the influence of noise generated when the MRI device operates on the external environment and patients is reduced, and through the damping effect of materials, the sound insulation performance is improved. The vibration propagation of sound is further inhibited, the sound insulation capability of the whole structure is enhanced, and the isolation effect of low-frequency sound is improved.

Description

Technical Field

[0001] The utility model relates to the medical field, and more specifically, to an electromagnetic shielding sound-absorbing and sound-insulating material. Background Art

[0002] The magnetic resonance imaging system (MRI) uses the magnetic resonance signals of the atomic nuclei (mainly hydrogen protons) in water molecules in the human body in a strong magnetic field to reconstruct tissue or organ imaging. In the modern medical field, MRI (magnetic resonance imaging) technology has become an indispensable tool for clinical diagnosis due to its advantages such as high resolution and no radiation damage.

[0003] However, MRI equipment generates a strong magnetic field and noise during operation, which may not only interfere with the normal operation of other medical equipment, but may also have a negative impact on the patient's mental health and medical experience. Currently, the sound insulation performance of MRI shielding rooms on the market is basically around 30dB, and the structural form is: glass wool is placed in the copper foil module or steel plate module, and a decorative panel is installed on the other side of the glass wool. When installing glass wool on site, there are too many uncertain factors such as placing more or less, leaving gaps, or not leaving gaps, which are difficult to control. Therefore, it is necessary to design an integrated plate structure with electromagnetic shielding, sound absorption and sound insulation functions to solve this problem. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an electromagnetic shielding sound-absorbing and sound-insulating material.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an electromagnetic shielding sound-absorbing and sound-insulating material, comprising a plate body, wherein the plate body is composed of an electromagnetic shielding layer, an insulating layer, a sound-absorbing layer, a sound-insulating and damping layer, an air sound-insulating layer, a structural reinforcement layer and a decorative layer, wherein the electromagnetic shielding layer, the insulating layer, the sound-absorbing layer, the sound-insulating and damping layer, the air sound-insulating layer, the structural reinforcement layer and the decorative layer are sequentially arranged on the plate body from the outside to the inside.

[0006] As a further improvement of the technical solution of the present utility model, the electromagnetic shielding layer is a highly conductive metal foil or metal mesh structure, and the thickness of the electromagnetic shielding layer is 100-300 μm.

[0007] As a further improvement of the technical solution of the present invention, the insulating layer is a polyethylene film or a polyimide film structure, and the thickness of the insulating layer is 80-200 μm.

[0008] As a further improvement of the technical solution of the present invention, the sound-absorbing layer is any one of open-pore polyurethane foam, polyester fiber sound-absorbing cotton or mineral wool, and the thickness of the sound-absorbing layer is 8-15 cm.

[0009] As a further improvement of the technical solution of the present utility model, the sound insulation and damping layer is a component made of high-damping rubber material, and the thickness of the sound insulation and damping layer is 6-30 mm.

[0010] As a further improvement of the technical solution of the present invention, the air sound insulation layer is a combination structure of a perforated gypsum board and an air gap, and the thickness of the air sound insulation layer is 8-20 mm.

[0011] As a further improvement of the technical solution of the present utility model, the structural reinforcement layer is a lightweight high-strength fiberboard or honeycomb paperboard structure, and the thickness of the structural reinforcement layer is 8-30 mm.

[0012] As a further improvement of the technical solution of the present invention, the decorative layer may be a PVC film structure, and the thickness of the decorative layer is 80-200 μm.

[0013] Beneficial effects of the utility model:

[0014] 1. The electromagnetic shielding sound-absorbing and sound-insulating material designed in this utility model is an integrated plate structure. The plate body is sequentially provided with an electromagnetic shielding layer, an insulating layer, a sound-absorbing layer, a sound-insulating damping layer, an air sound-insulating layer, a structural reinforcement layer and a decorative layer from the outside to the inside. Among them, the electromagnetic shielding layer is provided to provide electromagnetic shielding function during use, effectively blocking the interference and radiation of external electromagnetic waves, ensuring the normal operation of the MRI equipment and data accuracy; the sound-absorbing layer is provided to absorb and weaken sound energy, improve sound insulation performance, and reduce the impact of noise generated by the operation of the MRI equipment on the external environment and patients;

[0015] 2. The sound insulation damping layer is convenient for further suppressing the vibration propagation of sound through the damping effect of the material, thereby enhancing the sound insulation capacity of the overall structure; the air sound insulation layer is convenient for utilizing the elastic layer characteristics of the air layer to form an obstacle to sound propagation, significantly improving the isolation effect of low-frequency sound; the structural reinforcement layer is convenient for increasing the strength and stability of the overall structure, especially in shielded rooms of large size or special shape, to ensure the reliability and durability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the plate of the present utility model.

[0017] The figures are marked as follows: 1. Plate body; 101. Electromagnetic shielding layer; 102. Insulation layer; 103. Sound-absorbing layer; 104. Sound insulation and damping layer; 105. Air sound insulation layer; 106. Structural reinforcement layer; 107. Decorative layer. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] As attached Figure 1 An electromagnetic shielding, sound-absorbing, and sound-insulating material is shown, comprising a plate body 1, which is composed of an electromagnetic shielding layer 101, an insulating layer 102, a sound-absorbing layer 103, a sound-insulating and damping layer 104, an air sound-insulating layer 105, a structural reinforcement layer 106, and a decorative layer 107. The electromagnetic shielding layer 101, the insulating layer 102, the sound-absorbing layer 103, the sound-insulating and damping layer 104, the air sound-insulating layer 105, the structural reinforcement layer 106, and the decorative layer 107 are sequentially arranged on the plate body 1 from the outside to the inside.

[0020] Preferably, the electromagnetic shielding layer 101 is a highly conductive metal foil or metal mesh structure, and the thickness of the electromagnetic shielding layer 101 is 100-300 μm, which is convenient for providing electromagnetic shielding function during use, effectively blocking interference and radiation from external electromagnetic waves, and ensuring the normal operation of the MRI equipment and data accuracy.

[0021] Preferably, the insulating layer 102 is a polyethylene film or polyimide film structure, and the thickness of the insulating layer 102 is 80-200 μm, which is convenient for isolating the electromagnetic shielding layer 101 and the sound absorbing layer 103 during use, preventing direct conduction of current, and maintaining the stability and durability of the overall structure.

[0022] Preferably, the sound-absorbing layer 103 is any one of open-cell polyurethane foam, polyester fiber sound-absorbing cotton or mineral wool, and the thickness of the sound-absorbing layer 103 is 8-15 cm, which is convenient for absorbing and reducing sound energy, improving sound insulation performance, and reducing the impact of noise generated during the operation of the MRI equipment on the external environment and patients.

[0023] Preferably, the sound insulation damping layer 104 is a component made of high-damping rubber material, and the thickness of the sound insulation damping layer 104 is 6-30 mm, so as to further suppress the vibration propagation of sound through the damping effect of the material and enhance the sound insulation capability of the overall structure.

[0024] Preferably, the air sound insulation layer 105 is a combination structure of a perforated gypsum board and an air gap, and the thickness of the air sound insulation layer 105 is 8-20 mm. The air gap refers to the gap between the perforated gypsum board and other solid structures. The air gap can increase the path length of sound wave propagation, thereby providing more opportunities for sound waves to interact with the air and further consume sound energy. When sound waves propagate in the air gap, due to the viscosity and inertia of the air, the sound waves will be damped, causing the sound energy to gradually decrease. When the sound waves encounter the perforated gypsum board, part of the sound waves will pass through the pores into the air layer inside the board. In this process, friction and damping effects occur between the sound waves and the air inside the board and the hole wall, resulting in the conversion of sound energy into heat energy, thereby reducing the reflection and propagation of sound, facilitating the use of the elastic layer characteristics of the air layer to form an obstacle to sound propagation, and significantly improving the insulation effect of low-frequency sound.

[0025] Preferably, the structural reinforcement layer 106 is a lightweight high-strength fiberboard or honeycomb paperboard structure, and the thickness of the structural reinforcement layer 106 is 8-30 mm, which is convenient for increasing the strength and stability of the overall structure, especially in shielding rooms of large size or special shape, to ensure the reliability and durability of the structure.

[0026] Preferably, the decorative layer 107 may be a PVC film structure, and the thickness of the decorative layer 107 is 80-200 μm, so as to provide a decorative effect while ensuring the safety and environmental friendliness of the material.

[0027] Working principle: This utility model designs an electromagnetic shielding sound-absorbing and sound-insulating material. The specific structure is as shown in the attached manual. Figure 1As shown, in the present technical solution, the designed electromagnetic shielding sound-absorbing and sound-insulating material is an integrated plate structure, and the plate body 1 is sequentially arranged from the outside to the inside as an electromagnetic shielding layer 101, an insulating layer 102, a sound-absorbing layer 103, a sound-insulating and damping layer 104, an air sound-insulating layer 105, a structural reinforcement layer 106 and a decorative layer 107, wherein the electromagnetic shielding layer 101 is a highly conductive metal foil or metal mesh structure, which is convenient for providing electromagnetic shielding function when in use, effectively blocking the interference and radiation of external electromagnetic waves, and ensuring the normal operation and data accuracy of the MRI equipment; the insulating layer 102 is a polyethylene film or polyimide film structure, which is convenient for isolating the electromagnetic shielding layer 101 from the sound-absorbing layer 103 when in use, preventing direct conduction of current, while maintaining the stability and durability of the overall structure; the sound-absorbing layer 103 is any one of an open-cell polyurethane foam, polyester fiber sound-absorbing cotton or mineral wool One is to absorb and weaken sound energy, improve sound insulation performance, and reduce the impact of noise generated by MRI equipment during operation on the external environment and patients; the sound insulation damping layer 104 is a component made of high-damping rubber material, which is convenient for further suppressing the vibration propagation of sound through the damping effect of the material and enhancing the sound insulation ability of the overall structure; the air sound insulation layer 105 is a combination of a perforated gypsum board and an air gap, which is convenient for utilizing the elastic layer characteristics of the air layer to form an obstacle to sound propagation and significantly improve the isolation effect of low-frequency sound; the structural reinforcement layer 106 is a lightweight high-strength fiberboard or honeycomb paperboard structure, which is convenient for increasing the strength and stability of the overall structure, especially in large-sized or special-shaped shielded rooms, ensuring the reliability and durability of the structure; the decorative layer 107 can be a PVC membrane structure, which is convenient for providing decorative effects while ensuring the safety and environmental protection of the material.

[0028] The drawings of the embodiments disclosed in the present invention only relate to the structures related to the embodiments disclosed in the present invention. Other structures may refer to conventional designs. In the absence of conflicts, the same embodiment and different embodiments of the present invention may be combined with each other.

[0029] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An electromagnetic shielding sound-absorbing and sound-insulating material, characterized by: The invention comprises a plate body (1), wherein the plate body (1) is composed of an electromagnetic shielding layer (101), an insulating layer (102), a sound absorbing layer (103), a sound insulation and damping layer (104), an air sound insulation layer (105), a structural reinforcement layer (106), and a decorative layer (107); the electromagnetic shielding layer (101), the insulating layer (102), the sound absorbing layer (103), the sound insulation and damping layer (104), the air sound insulation layer (105), the structural reinforcement layer (106), and the decorative layer (107) are sequentially arranged on the plate body (1) from the outside to the inside.

2. The electromagnetic shielding sound-absorbing and sound-insulating material according to claim 1, characterized in that: The electromagnetic shielding layer (101) is a highly conductive metal foil or metal mesh structure, and the thickness of the electromagnetic shielding layer (101) is 100-300 μm.

3. The electromagnetic shielding sound-absorbing and sound-insulating material according to claim 1, characterized in that: The insulating layer (102) is a polyethylene film or a polyimide film structure, and the thickness of the insulating layer (102) is 80-200 μm.

4. The electromagnetic shielding sound-absorbing and sound-insulating material according to claim 1, characterized in that: The sound absorbing layer (103) is any one of open-cell polyurethane foam, polyester fiber sound absorbing cotton or mineral wool, and the thickness of the sound absorbing layer (103) is 8-15 cm.

5. The electromagnetic shielding sound-absorbing and sound-insulating material according to claim 1, characterized in that: The sound insulation and damping layer (104) is a component made of high-damping rubber material, and the thickness of the sound insulation and damping layer (104) is 6-30 mm.

6. The electromagnetic shielding sound-absorbing and sound-insulating material according to claim 1, characterized in that: The air sound insulation layer (105) is a combined structure of a perforated gypsum board and an air gap, and the thickness of the air sound insulation layer (105) is 8-20 mm.

7. The electromagnetic shielding sound-absorbing and sound-insulating material according to claim 1, characterized in that: The structural reinforcement layer (106) is a lightweight high-strength fiberboard or honeycomb paperboard structure, and the thickness of the structural reinforcement layer (106) is 8-30 mm.

8. The electromagnetic shielding sound-absorbing and sound-insulating material according to claim 1, characterized in that: The decorative layer (107) is a PVC film structure, and the thickness of the decorative layer (107) is 80-200 μm.

Images