Hole shielding structure and construction method

Abstract

The invention belongs to the technical field of building construction, and discloses a hole shielding structure and a construction method, and the hole shielding structure comprises an outer frame, an inner frame, a fixed copper foil and an assembled copper foil. The outer frame is connected to a wall body, a reserved opening is formed in the wall body, the outer frame and the inner frame are matched with each other, the reserved opening is divided into a mounting area and a fixing area on the basis of the original reserved opening and in combination with the actual requirements of construction, the fixing area is covered with the fixing copper foil, and the mounting area is covered with the assembling copper foil; the size of the opening in the assembly copper foil can be further determined according to the size of the pipeline which actually needs to penetrate through, so that the pipeline can penetrate through the assembly copper foil without causing loss of the shielding performance of the whole structure; if accidental conditions such as work difference and trepanning operation errors occur, only the copper foil needs to be replaced and assembled, operation is repeated, the copper foil with a large area does not need to be replaced, cost is saved to a great extent, assembling is convenient, and the shielding effect of the hole position can be guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a hole shielding structure and a construction method. Background Art

[0002] Magnetic resonance imaging (MRI) technology uses powerful magnetic fields and radio frequency pulses to obtain high-definition images of the internal structure of the human body. In order to ensure the accuracy and high quality of the scan and prevent the influence of external electromagnetic interference on the imaging process, special shielding measures are required in the MRI room, but superconducting MRI equipment needs to be installed with a quench tube to transport the helium necessary for imaging. The quench tube needs to pass through the shielding layer to connect to the outside world, so it is necessary to ensure that the quench tube can pass through the shielding layer, and also take into account the shielding performance of the shielding layer.

[0003] In the shielding structure process of the prior art, the construction of the connection between the copper foil and the pipeline is difficult. Due to the large area and small thickness of the copper foil, the entire piece is easily damaged during the assembly process, resulting in high production costs and unguaranteed construction quality. Summary of the invention

[0004] The purpose of the present invention is to provide a hole shielding structure and a construction method, which have high construction efficiency, save materials and have good shielding effect.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] The opening shielding structure includes:

[0007] An outer frame is connected to a wall, a reserved opening is provided on the wall, and the outer frame extends along the circumference of the reserved opening;

[0008] An inner frame is arranged at the reserved opening and connected to the outer frame, wherein the inner frame divides the reserved opening into an installation area and a fixing area;

[0009] A fixed copper foil covering the fixed area;

[0010] The copper foil is assembled to cover the installation area, and the pipeline is passed through the copper foil.

[0011] Preferably, it further comprises a wrapping copper foil, wherein the wrapping copper foil is arranged at the joint between the pipeline and the assembly copper foil and is wrapped around the outside of the pipeline.

[0012] Preferably, the wrapped copper foil has a wrapping length of not less than 500 mm on the inner side of the wall, and a wrapping length of not less than 100 mm on the outer side of the wall.

[0013] Preferably, a first bending portion is provided at the opening of the assembled copper foil, and the first bending portion extends toward the inner side of the wall and is attached to the wrapped copper foil.

[0014] Preferably, the length of the first bending portion is not less than 30 mm.

[0015] Preferably, the outer frame is connected to the inner side of the wall, the fixed copper foil covers the outer side of the wall, and at the edge of the installation area, the fixed copper foil is provided with a second bending portion extending toward the inner side of the wall.

[0016] Preferably, the length of the second bending portion is not less than 100 mm.

[0017] Preferably, the second bent portion is fixedly connected to a side of the outer frame facing away from the wall.

[0018] Preferably, it further comprises a heat-insulating layer, wherein the heat-insulating layer is wrapped around the outside of the pipeline along the extension direction of the pipeline.

[0019] The construction method, using the above-mentioned opening shielding structure, comprises the following steps:

[0020] S1. The outer frame is installed at the reserved opening;

[0021] S2, the inner frame is connected to the outer frame;

[0022] S3, fix the copper foil to cover the fixed area;

[0023] S4. Assemble copper foil to cover the installation area;

[0024] S5. The pipeline is laid on the assembled copper foil.

[0025] Beneficial effects of the present invention:

[0026] The outer frame and the inner frame cooperate with each other. On the basis of the original reserved opening, combined with the actual needs of construction, the reserved opening is divided into an installation area and a fixed area. The fixed copper foil covers the fixed area, and the assembly copper foil covers the installation area. The size of the opening on the assembly copper foil can be further determined according to the size of the pipeline that needs to be penetrated, so as to ensure that the pipeline can pass through the assembly copper foil without causing the loss of the shielding performance of the overall structure. If accidental situations such as workmanship errors and hole opening operation errors occur, it is only necessary to replace the assembly copper foil and repeat the operation. There is no need to replace a large area of ​​copper foil, which saves costs to a great extent, facilitates assembly, and can ensure the shielding effect of the hole position. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the hole shielding structure of the present invention;

[0028] Figure 2 is a position relationship diagram of the hole shielding structure and the wall according to the present invention;

[0029] Figure 3 It is a structural schematic diagram of the hole shielding structure of the present invention with some structures omitted.

[0030] In the figure:

[0031] 100. Wall;

[0032] 200, reserved opening; 201, installation area; 202, fixing area;

[0033] 300, pipeline;

[0034] 1. External frame;

[0035] 2. Internal frame;

[0036] 3. Fixing copper foil; 31. Second bending portion;

[0037] 4. Assembling copper foil; 41. First bending portion;

[0038] 5. Wrap with copper foil;

[0039] 6. Insulation layer. DETAILED DESCRIPTION

[0040] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar parts or parts having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0041] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, it can be a mechanical connection or an electrical connection, it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In the description of the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0043] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0044] like Figure 1-Figure 3 As shown, the present invention provides a hole shielding structure for signal shielding at the hole position. The hole shielding structure includes an outer frame 1, an inner frame 2, a fixed copper foil 3 and an assembled copper foil 4. The outer frame 1 is connected to a wall 100, a reserved opening 200 is provided on the wall 100, and the outer frame 1 extends along the circumference of the reserved opening 200; the inner frame 2 is provided at the reserved opening 200 and connected to the outer frame 1, and the inner frame 2 divides the reserved opening 200 into an installation area 201 and a fixed area 202; the fixed copper foil 3 covers the fixed area 202; the assembled copper foil 4 covers the installation area 201, and the pipeline 300 is passed through the assembled copper foil 4.

[0045] The outer frame 1 and the inner frame 2 cooperate with each other. On the basis of the original reserved opening 200, combined with the actual needs of the construction, the reserved opening 200 is divided into an installation area 201 and a fixed area 202, the fixed copper foil 3 covers the fixed area 202, and the assembly copper foil 4 covers the installation area 201; the size of the opening on the assembly copper foil 4 can be further determined according to the size of the pipeline 300 that needs to be penetrated, so as to ensure that the pipeline 300 can pass through the assembly copper foil 4 without causing the loss of the shielding performance of the overall structure; if there are accidental situations such as work errors and hole opening operation errors, it is only necessary to replace the assembly copper foil 4 and repeat the operation, without replacing a large area of ​​copper foil, which saves costs to a great extent, facilitates assembly, and can ensure the shielding effect of the hole position.

[0046] In this embodiment, the outer frame 1 is connected to the wall 100 through a plurality of stainless steel nails, and the spacing between the stainless steel nails is not less than 50 mm to ensure the firmness of the connection between the two.

[0047] In this embodiment, the outer frame 1 and the inner frame 2 are both made of wooden keels with a specification of 40 mm×60 mm.

[0048] In other embodiments, materials of other sizes and other materials may also be used as the manufacturing materials of the outer frame 1 and the inner frame 2, which will not be elaborated here.

[0049] Specifically, the outer frame 1 is connected to the inner side of the wall 100, the fixed copper foil 3 covers the outer side of the wall 100, and at the edge of the installation area 201, the fixed copper foil 3 is provided with a second bending portion 31 extending toward the inner side of the wall 100. The above arrangement enables the fixed copper foil 3 to cover the outer side of the wall 100 as a whole, with better shielding performance, and the second bending portion 31 can increase the contact area between the fixed copper foil 3 and the outer frame 1, making the connection between the two more secure. In this embodiment, the length of the second bending portion 31 is not less than 100 mm.

[0050] More specifically, the fixed copper foil 3 is fixedly connected to the side of the outer frame 1 facing away from the outer side of the wall 100. The above arrangement makes the connection between the fixed copper foil 3 and the outer frame 1 more firm, preventing the fixed copper foil 3 from falling off.

[0051] Specifically, the inner frame 2 is connected to the side of the outer frame 1 facing away from the wall 100 , and a copper mesh is provided between the outer frame 1 and the inner frame 2 to enhance the signal shielding capability.

[0052] In this embodiment, the inner frame 2 is fixedly connected to the outer frame 1 by a plurality of stainless steel nails, and the spacing between the stainless steel nails is not less than 50 mm to ensure the firmness of the connection between the two.

[0053] In this embodiment, when the pipeline 300 is passed through the assembly copper foil 4, the distance between its edge and the installation area 201 is not less than 50 mm to prevent the assembly copper foil 4 from cracking during the process of drilling holes in the assembly copper foil 4 and improve the success rate of assembly.

[0054] Preferably, in this embodiment, when drilling a hole in the assembly copper foil 4, the portion to be cut off can be equally divided into a plurality of fan-shaped structures, and the radius of each fan-shaped structure is not less than 30 mm, so as to ensure the accuracy of the drilling.

[0055] Specifically, the hole shielding structure also includes a wrapping copper foil 5, which is arranged at the joint between the pipeline 300 and the assembly copper foil 4 and wrapped outside the pipeline 300. The arrangement of the wrapping copper foil 5 can prevent the pipeline 300 from directly contacting the assembly copper foil 4, thereby enhancing the signal shielding capability.

[0056] More specifically, the wrapped copper foil 5 has a wrapped length of not less than 500 mm on the inner side of the wall 100 and a wrapped length of not less than 100 mm on the outer side of the wall 100. The above arrangement can prevent the pipeline 300 from directly contacting the assembled copper foil 4 when sliding relative to the wall 100.

[0057] Specifically, a first bending portion 41 is provided at the opening of the assembly copper foil 4, and the first bending portion 41 extends toward the inner side of the wall 100 and fits the wrapped copper foil 5. The above arrangement can increase the contact area between the assembly copper foil 4 and the wrapped copper foil 5, and prevent the assembly copper foil 4 from cracking when the two move relative to each other. In this embodiment, the length of the first bending portion 41 is not less than 30 mm.

[0058] In this embodiment, the first bent portion 41 is welded to the outside of the wrapped copper foil 5 to ensure the connection strength between the two.

[0059] In this embodiment, the hole shielding structure further includes an insulation layer 6, which is wrapped around the outside of the pipeline 300 along the extension direction of the pipeline 300. In the above configuration, the insulation layer 6 is made of insulation materials commonly used in the art, which will not be described in detail.

[0060] The present invention also provides a construction method, using the above-mentioned opening shielding structure, comprising the following steps:

[0061] S1. The outer frame 1 is installed at the reserved opening 200.

[0062] In the above steps, the outer frame 1 is fixedly connected to the side of the wall 100 facing away from the wall 100 by using stainless steel nails, and the outer frame 1 extends along the edge of the reserved opening 200 .

[0063] S2, the inner frame 2 is connected to the outer frame 1.

[0064] In the above steps, the specific positions and specific sizes of the fixing area 202 and the installation area 201 are determined respectively according to the specific size of the pipeline 300, and on this basis, the inner frame 2 is fixedly connected to the side of the outer frame 1 facing away from the wall 100 by stainless steel nails, and a copper mesh is installed at the joint between the outer frame 1 and the inner frame 2.

[0065] S3 , fixing the copper foil 3 to cover the fixing area 202 .

[0066] In the above steps, the fixed copper foil 3 is covered on the wall 100 and the fixed area 202 , the fixed copper foil 3 is fixedly connected to the outer frame 1 through a plurality of stainless steel rivets, and the fixed copper foil 3 is further bent to form a second bent portion 31 .

[0067] S4 , installing the copper foil 4 to cover the mounting area 201 .

[0068] In the above steps, the assembled copper foil 4 is fixedly connected to the inner frame 2 by a plurality of stainless steel rivets.

[0069] S5. The pipeline 300 is passed through the assembly copper foil 4.

[0070] In the above steps, first draw the opening outline on the assembly copper foil 4 according to the size of the pipeline 300, then divide the opening area into a plurality of sectors, and further draw the outline of each sector, gradually cut the assembly copper foil 4 along the outline, wrap the wrapping copper foil 5 around the outside of the pipeline 300, and pass it through the assembly copper foil 4, bend the assembly copper foil 4 to form a first bending portion 41, and weld the first bending portion 41 to the wrapping copper foil 5, and finally install the insulation layer 6 on the outer layer of the pipeline 300.

[0071] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The hole shielding structure is characterized by: include: An outer frame (1) is connected to a wall (100), a reserved opening (200) is provided on the wall (100), and the outer frame (1) extends along the circumference of the reserved opening (200); An inner frame (2) is arranged at the reserved opening (200) and connected to the outer frame (1), wherein the inner frame (2) divides the reserved opening (200) into an installation area (201) and a fixing area (202); A fixed copper foil (3) covering the fixed area (202); The assembly copper foil (4) covers the installation area (201), and the pipeline (300) is passed through the assembly copper foil (4).

2. The hole shielding structure according to claim 1, characterized in that: It also includes a wrapping copper foil (5), which is arranged at the joint between the pipeline (300) and the assembly copper foil (4) and is wrapped around the outside of the pipeline (300).

3. The hole shielding structure according to claim 2, characterized in that: The wrapped copper foil (5) has a wrapping length of not less than 500 mm on the inner side of the wall (100), and a wrapping length of not less than 100 mm on the outer side of the wall (100).

4. The hole shielding structure according to claim 2, characterized in that: A first bending portion (41) is provided at the opening of the assembly copper foil (4), and the first bending portion (41) extends toward the inner side of the wall (100) and is attached to the wrapping copper foil (5).

5. The hole shielding structure according to claim 4, characterized in that: The length of the first bent portion (41) is not less than 30 mm.

6. The hole shielding structure according to claim 1, characterized in that: The outer frame (1) is connected to the inner side of the wall (100), the fixed copper foil (3) covers the outside of the wall (100), and at the edge of the installation area (201), the fixed copper foil (3) is provided with a second bent portion (31) extending toward the inner side of the wall (100).

7. The hole shielding structure according to claim 6, characterized in that: The length of the second bent portion (31) is not less than 100 mm.

8. The hole shielding structure according to claim 6, characterized in that: The second bent portion (31) is fixedly connected to a side of the outer frame (1) facing away from the wall (100).

9. The hole shielding structure according to any one of claims 1 to 8, characterized in that: It also comprises a heat-insulating layer (6), wherein the heat-insulating layer (6) is wrapped around the outside of the pipeline (300) along the extension direction of the pipeline (300).

10. A construction method, characterized in that: Using the hole shielding structure described in any one of claims 1 to 9 comprises the following steps: S1, the outer frame (1) is installed at the reserved opening (200); S2, the inner frame (2) is connected to the outer frame (1); S3, fixing the copper foil (3) to cover the fixed area (202); S4, assembling copper foil (4) to cover the installation area (201); S5. The pipeline (300) is passed through the assembly copper foil (4).

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