Lightweight antimagnetic anti-corrosion box body

By using aluminum alloy as the main material and combining it with stainless steel ribs in the outdoor enclosure, the problems of balancing corrosion resistance, lifespan, lightweight, antimagnetism, and structural strength are solved, achieving excellent performance of a lightweight, antimagnetic, and corrosion-resistant enclosure.

CN224138570UActive Publication Date: 2026-04-17福建森源电力设备有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
福建森源电力设备有限公司
Filing Date
2024-12-19
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

How to balance the excellent corrosion resistance, long lifespan, maintenance-free operation, lightweight, anti-magnetic properties, and excellent structural strength of outdoor enclosures.

Method used

The enclosure is made primarily of aluminum alloy, with stainless steel ribs serving as the supporting frame. The side and back panels are formed by sheet metal bending, and stainless steel ribs are welded at the joints. Nanoparticles are used to reinforce the aluminum alloy to improve its strength and corrosion resistance.

Benefits of technology

It achieves excellent corrosion resistance, long life, maintenance-free operation, lightweight and anti-magnetic properties of the enclosure, while also possessing excellent structural strength to meet outdoor use requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of outdoor box body structures, in particular to a light antimagnetic anti-corrosion box body. The main body materials of the side plates and the back plate of the box body are made of aluminum alloy, so that the box body is excellent in corrosion resistance, long in service life, free of maintenance, light in weight and anti-magnetic, the stainless steel bars are welded to the joints of the side plates and the back plate and serve as supporting frameworks, the defect that the structural supporting strength of the aluminum alloy materials is low is overcome, and the service life of the box body is prolonged. Although the corrosion resistance of the stainless steel bar is slightly poorer than that of an aluminum alloy material and the magnetic conductivity of the stainless steel bar is higher than that of the aluminum alloy material, the material proportion of the stainless steel bar in the box body structure is very small, and the magnetic conductivity of the stainless steel bar can be ignored. The improved box body structure has the advantages of being good in corrosion resistance, long in service life, free of maintenance, light in weight, resistant to magnetism and good in structural strength.
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Description

Technical Field

[0001] This utility model relates to the field of box structure technology for outdoor use, and in particular to a lightweight, antimagnetic, and corrosion-resistant box. Background Technology

[0002] For outdoor enclosures, such as electrical distribution boxes, common materials include cold-rolled steel, stainless steel, or aluminum alloy. Stainless steel and cold-rolled steel both have the advantages of high density and high strength, but both are too heavy. Since cold-rolled steel sheets are prone to rust, they usually require anti-corrosion treatment. A common method is surface painting; the paint layer can isolate the steel sheet from air and moisture, preventing rust. Some distribution boxes also use galvanizing. The zinc layer forms a protective film on the steel surface, protecting the steel sheet through sacrificial anode treatment and extending the service life of the distribution box. However, galvanizing is energy-intensive, polluting, requires regular anti-corrosion treatment, and also has the problem of low-temperature brittleness.

[0003] Compared to cold-rolled steel, stainless steel has improved corrosion resistance. However, when used as the outer shell of a distribution box, it requires surface passivation treatment, which is a complex process with high manufacturing costs. Furthermore, it has poor resistance to salt spray and acid rain and possesses a certain degree of magnetic conductivity. When used as the outer shell of a distribution box, it can cause magnetic induction, resulting in additional heat generation and affecting the stable operation of the instruments inside the box.

[0004] Compared to the two materials mentioned above, aluminum alloy offers better corrosion resistance, is lightweight, simple to manufacture, requires no complex surface treatment, and boasts advantages such as long lifespan and maintenance-free operation. In particular, its weakest magnetic conductivity prevents additional heat generation caused by magnetic induction when used as the outer shell of a distribution box, ensuring stable operation of the instruments inside. However, aluminum alloy is relatively soft and has a low density, resulting in lower structural strength and insufficient support for wiring. Therefore, the wiring inside the distribution box requires appropriate support structures to ensure neatness and safety. Cable trays or clamps should be able to withstand the weight of the wires and potential tensile forces. For example, when laying wires with a large cross-sectional area (e.g., 50mm²) inside the distribution box... 2 When using cables (as described above), the material and structure of the cable tray should ensure that the cables will not fall off or deform due to their own weight during installation and subsequent use, thus affecting the normal power supply and safety performance of the line.

[0005] Therefore, how to balance the excellent corrosion resistance, long lifespan, maintenance-free operation, lightweight, anti-magnetic properties, and excellent structural strength of outdoor enclosures has become an urgent technical problem to be solved. Utility Model Content

[0006] The technical problem to be solved by this utility model is: how to balance the excellent corrosion resistance, long life, maintenance-free operation, lightweight, anti-magnetic properties and excellent structural strength of outdoor enclosures.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0008] The lightweight, antimagnetic, and corrosion-resistant enclosure includes a main body, which comprises mutually perpendicular side panels and a back panel. The side panels and back panel are made of aluminum alloy, and stainless steel ribs are welded at the connection between the side panels and the back panel.

[0009] Furthermore, in the aforementioned lightweight antimagnetic and anti-corrosion box structure, the side panel and back panel are formed by bending a single aluminum alloy plate.

[0010] Furthermore, in the aforementioned lightweight anti-magnetic and anti-corrosion box structure, a strip groove is provided on the inner side of the bending point of the aluminum alloy plate. The cross-sectional shape of the strip groove is a right-angled triangular groove, and semi-circular grooves are symmetrically arranged at the two right-angled sides of the right-angled triangular groove. The diameter of the stainless steel rib is smaller than the diameter of the semi-circular groove, so that when the side plate and the back plate are bent to be perpendicular to each other, the stainless steel rib is embedded inside the corner connection of the side plate and the back plate.

[0011] Furthermore, in the aforementioned lightweight anti-magnetic and anti-corrosion box structure, the side panel of the box body facing away from the back panel is pivotally connected to a first box door via a hinge, and the first box door is made of aluminum alloy.

[0012] Furthermore, in the aforementioned lightweight antimagnetic and anti-corrosion box structure, a rectangular frame is welded to the inner wall of the box body, and a second box door is pivotally connected to the side of the rectangular frame via a hinge. The second box door has multiple cutouts.

[0013] Furthermore, in the aforementioned lightweight antimagnetic and anti-corrosion box structure, the box body also includes a bottom plate, which is formed by bending an aluminum alloy plate together with the back plate, and the bottom plate and the side plate are welded together.

[0014] Furthermore, in the aforementioned lightweight antimagnetic and anti-corrosion box structure, the bottom plate is provided with multiple through holes for threading wires.

[0015] Furthermore, in the aforementioned lightweight, antimagnetic, and anti-corrosion box structure, the top of the box body is provided with a ridge-mounted rain cover, and the rain cover is made of aluminum alloy.

[0016] Furthermore, in the aforementioned lightweight, antimagnetic, and corrosion-resistant enclosure structure, the aluminum alloy is selected from nanoparticle-reinforced aluminum alloy.

[0017] The beneficial effects of this utility model are as follows: the main material of the side panels and back panels of the box body is aluminum alloy, which can take into account excellent corrosion resistance, long service life, maintenance-free, lightweight and anti-magnetic properties. By welding stainless steel strips at the connection between the side panels and back panels, the stainless steel strips serve as a supporting frame, which makes up for the disadvantage of low structural support strength of aluminum alloy. Although the corrosion resistance of stainless steel strips is slightly worse than that of aluminum alloy, and its magnetic permeability is higher than that of aluminum alloy, the proportion of stainless steel strips in the box body structure is very small, and its magnetic permeability can be ignored. Therefore, the improved box structure can take into account the advantages of excellent corrosion resistance, long service life, maintenance-free, lightweight, anti-magnetic and excellent structural strength. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of a lightweight, antimagnetic, and corrosion-resistant box body according to a specific embodiment of the present utility model;

[0019] Figure 2 This is a front view of a lightweight, antimagnetic, and corrosion-resistant box according to a specific embodiment of this utility model;

[0020] Figure 3 for Figure 2 AA-direction cross-section diagram;

[0021] Figure 4 for Figure 3 Enlarged view of part B;

[0022] Figure 5 A schematic diagram showing the state of an aluminum alloy plate of a lightweight, antimagnetic, and corrosion-resistant box body before it is bent and welded to form a side plate and a back plate, which is a specific embodiment of this utility model.

[0023] Label Explanation:

[0024] 1. Body of the enclosure; 11. Side panel; 12. Back panel; 13. Stainless steel ribs; 14. Strip groove; 141. Right-angled triangular groove; 142. Semi-circular groove; 15. Bottom plate; 151. Through hole;

[0025] 2. First box door;

[0026] 3. Rectangular frame;

[0027] 4. Second door; 41. Hollowed-out section;

[0028] 5. Aluminum alloy sheet;

[0029] 6. Rain cover. Detailed Implementation

[0030] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0031] Please refer to Figures 1 to 5 The present invention relates to a lightweight antimagnetic and anti-corrosion box, including a box body 1. The box body 1 includes mutually perpendicular side plates 11 and back plates 12. The side plates 11 and back plates 12 are made of aluminum alloy, and stainless steel ribs 13 are welded at the connection between the side plates 11 and back plates 12.

[0032] In the above embodiments, the main material of the side plate 11 and back plate 12 of the box body 1 is aluminum alloy, which can take into account excellent corrosion resistance, long service life, maintenance-free, lightweight and anti-magnetic properties. By welding stainless steel strips at the connection between the side plate 11 and the back plate 12, the stainless steel strips serve as a supporting frame to compensate for the low structural support strength of aluminum alloy. Although the corrosion resistance of stainless steel strips is slightly worse than that of aluminum alloy, and its magnetic permeability is higher than that of aluminum alloy, the proportion of stainless steel strips in the structure of the box body 1 is very small, and its magnetic permeability can be ignored. Therefore, the improved box structure can take into account the advantages of excellent corrosion resistance, long service life, maintenance-free, lightweight, anti-magnetic and excellent structural strength.

[0033] In a preferred embodiment, the side plate 11 and the back plate 12 are formed by bending an aluminum alloy plate 5.

[0034] In the above embodiments, the side plate 11 and the back plate 12 are seamlessly connected, which results in higher strength and better sealing compared to the structure of two plates being welded together.

[0035] In a preferred embodiment, a strip groove 14 is provided on the inner side of the bend of the aluminum alloy plate 5. The cross-sectional shape of the strip groove 14 is a right-angled triangular groove 141, and semi-circular grooves 142 are symmetrically arranged on the two right-angled sides of the right-angled triangular groove 141. The diameter of the stainless steel rib 13 is smaller than the diameter of the semi-circular groove 142, so that when the side plate 11 and the back plate 12 are bent to be perpendicular to each other, the stainless steel rib 13 is embedded in the corner connection of the side plate 11 and the back plate 12.

[0036] In the above embodiments, refer to Figure 4 and Figure 5 By providing a strip groove 14 of a specific shape on the inner side of the bend of the aluminum alloy plate 5, the stainless steel rib 13 can be embedded into the interior of the bend of the aluminum alloy plate 5 by welding. The structure of the stainless steel rib 13 is not visible from the outside, which further reduces the influence of the magnetic conductivity of the stainless steel rib 13.

[0037] In a preferred embodiment, the side panel 11 of the box body 1, which is opposite to the back panel 12, is pivotally connected to a first box door 2 via a hinge. The first box door 2 is made of aluminum alloy.

[0038] In a preferred embodiment, a rectangular frame 3 is welded to the inner wall of the box body 1, and a second box door 4 is pivotally connected to the side of the rectangular frame 3 via a hinge. The second box door 4 has multiple cutouts 41, and the instruments inside the box can be observed through the cutouts 41 when the second box door 4 is closed.

[0039] In a preferred embodiment, the housing body 1 further includes a bottom plate 15, which is formed by bending an aluminum alloy plate 5 between the bottom plate 15 and the back plate 12, and the bottom plate 15 and the side plate 11 are welded together.

[0040] In a preferred embodiment, the base plate 15 is provided with a plurality of through holes 151 for threading wires.

[0041] In a preferred embodiment, the top of the housing body 1 is provided with a ridge-mounted rain cover 6, and the rain cover 6 is made of aluminum alloy.

[0042] In a preferred embodiment, the aluminum alloy is selected from nanoparticle-reinforced aluminum alloys.

[0043] It should be noted that the nanoparticle-reinforced aluminum alloy involved in the above embodiments is an existing material. Referring to the nanoparticle-reinforced aluminum alloy material disclosed in Chinese Patent No. CN115961184B, a small amount of rare earth element scandium is added to the aluminum alloy to refine the grains, which can achieve a good balance between the strengthening and toughening effects of the alloy, and better take into account the advantages of excellent corrosion resistance, long service life, maintenance-free, lightweight, antimagnetic and excellent structural strength.

[0044] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A light weight, magnetically shielded, corrosion resistant case, characterized by, The enclosure includes a main body, which comprises mutually perpendicular side panels and a back panel. The side panels and back panel are made of aluminum alloy, and stainless steel ribs are welded at the connection between the side panels and the back panel.

2. The light weight, magnetically shielded, corrosion resistant case of claim 1, wherein, The side panel and back panel are formed by bending a single aluminum alloy sheet.

3. The light weight, corrosion resistant, magnetically shielded case of claim 2, wherein, A strip groove is provided on the inner side of the bend of the aluminum alloy plate. The cross-sectional shape of the strip groove is a right-angled triangular groove, and semi-circular grooves are symmetrically arranged on the two right-angled sides of the right-angled triangular groove. The diameter of the stainless steel rib is smaller than the diameter of the semi-circular groove, so that when the side plate and the back plate are bent to be perpendicular to each other, the stainless steel rib is embedded in the corner connection of the side plate and the back plate.

4. The light weight, corrosion resistant, magnetically shielded case of claim 1, wherein, The side panel of the box body, away from the back panel, is connected to a first box door via a hinge. The first box door is made of aluminum alloy.

5. The light weight, corrosion resistant, magnetically shielded case of claim 1, wherein, The inner wall of the box body is welded with a rectangular frame, and a second box door is pivotally connected to the side of the rectangular frame via a hinge. The second box door has multiple cutouts.

6. The light weight, corrosion resistant, magnetically shielded case of claim 1, wherein, The enclosure body also includes a bottom plate, which is formed by bending an aluminum alloy plate together with the back plate. The bottom plate and the side plates are welded together.

7. The light weight, corrosion resistant, magnetically shielded case of claim 6, wherein, The base plate has multiple through holes for threading wires.

8. The light weight, corrosion resistant, magnetically shielded case of claim 1, wherein, The top of the box body is equipped with a ridge-shaped rain cover, which is made of aluminum alloy.

9. The light weight, corrosion resistant, magnetically shielded case of claim 1, wherein, The aluminum alloy is selected from nanoparticle-reinforced aluminum alloys.

Citation Information

Patent Citations

  • A nanoparticle-reinforced aluminum alloy and its preparation method

    CN115961184B