Waterproof low-voltage cabinet

Abstract

This utility model discloses a waterproof low-pressure cabinet, comprising: multiple low-pressure cabinet bodies, with adjacent cabinet bodies interconnected based on a busbar parallel connection structure; each cabinet body contains a channel steel base and a channel steel frame, the channel steel frame being fixed to the channel steel base; the channel steel frame includes several sets of longitudinal plate frames, each set of longitudinal plate frames including multiple first and second plates; the first and second plates within each set of longitudinal plate frames are perpendicular to each other; each cabinet body has a waterproof door, the waterproof door being hinged to the cabinet body. This utility model, by setting a channel steel frame that fits against the inner wall of the cabinet body, distributes the force on the cabinet body to the channel steel frame, improving the overall load-bearing capacity, reducing the risk of deformation due to water pressure, and ensuring the low-pressure cabinet body maintains an IP68 waterproof and dustproof rating.

Description

Technical Field

[0001] This utility model relates to the field of low-voltage switchgear, and in particular to a waterproof low-voltage switchgear. Background Technology

[0002] Low-voltage distribution cabinets are power distribution equipment used in power supply systems for power distribution, control, metering, and cable connection. Low-voltage distribution cabinets are found in various power distribution panels, control boxes, and switch boxes. They are devices that integrate switches, circuit breakers, fuses, buttons, indicator lights, meters, wires, and other protective devices to achieve the designed functional requirements.

[0003] Currently, most low-voltage switchgear on the market has some waterproof capability, but it does not reach the IP68 waterproof rating. When a low-voltage switchgear operates in water for a long time, the water pressure exerts pressure on it, causing deformation and allowing water to seep into the interior. This water can corrode internal electronic components, leading to malfunctions and affecting the normal operation of the switchgear. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art. This utility model provides a waterproof low-pressure cabinet. By setting a channel steel frame, which is attached to the inner wall of the low-pressure cabinet body, the force on the cabinet body is distributed to the channel steel frame, thereby improving the overall load-bearing capacity, reducing the risk of the cabinet body being deformed by water pressure, and ensuring that the low-pressure cabinet body maintains the IP68 waterproof and dustproof rating.

[0005] Accordingly, this utility model proposes a waterproof low-pressure cabinet, which includes: multiple low-pressure cabinet bodies, with two adjacent low-pressure cabinet bodies interconnected based on a busbar parallel connection structure;

[0006] The low-voltage switchgear cabinet is provided with a channel steel base and a channel steel frame, and the channel steel frame is fixed on the channel steel base;

[0007] The channel steel frame includes several sets of longitudinal plate frames, with the X-axis representing the diameter-depth-width direction of the waterproof low-pressure cabinet, the Z-axis representing the height direction of the waterproof low-pressure cabinet, and the Y-axis representing the length direction of the waterproof low-pressure cabinet. The several sets of longitudinal plate frames are distributed at intervals along the Y-axis direction inside the waterproof low-pressure cabinet. Each set of longitudinal plate frames includes multiple first plates and second plates.

[0008] Each first plate extends from the top of the waterproof low-pressure cabinet along the Z-axis to the bottom of the waterproof low-pressure cabinet, and each second plate extends from the front end of the waterproof low-pressure cabinet along the X-axis to the rear end of the waterproof low-pressure cabinet. Multiple first plates are spaced apart along the X-axis inside the waterproof low-pressure cabinet, and multiple second plates are spaced apart along the Z-axis inside the waterproof low-pressure cabinet. Multiple first plates and multiple second plates within each set of longitudinal plate frames are perpendicular to each other.

[0009] Each of the aforementioned low-voltage cabinets has a waterproof cabinet door, which is hinged to the low-voltage cabinet body.

[0010] Preferably, the channel steel frame further includes several third plates, each third plate being distributed along the Y-axis, one end of each third plate being connected to a set of longitudinal plate frames, and the other end of each third plate being connected to another set of longitudinal plate frames. The several third plates are distributed at intervals along the X-axis inside the waterproof low-pressure cabinet.

[0011] Preferably, the first plate is U-shaped, and a connecting pipe is provided on the first plate, the connecting pipe being detachably installed on the first plate.

[0012] Preferably, the channel steel frame is provided with a plurality of drawer mechanisms for mounting electronic components, and the drawer mechanisms are connected to the channel steel frame based on the connecting pipe.

[0013] Preferably, the drawer mechanism includes a base and a drawer, the drawer being movably mounted on the base;

[0014] The base is fixedly connected to the channel steel frame based on the connecting pipe.

[0015] Preferably, the second material is U-shaped, and connecting plates are provided at both ends of the second material, and the second material is bonded to the first material based on the connecting plates.

[0016] Preferably, the top of the low-voltage cabinet is provided with multiple waterproof plugs, which are electrically connected to the electronic components inside the low-voltage cabinet.

[0017] Preferably, the low-voltage cabinet also includes a waterproof cabinet door, which is equipped with multiple first handles.

[0018] Preferably, the distance between two adjacent first handles is equal.

[0019] Preferably, the top of the low-voltage cabinet is provided with multiple heat sinks.

[0020] The beneficial effects of this utility model are:

[0021] This invention features a busbar parallel connection structure inside the low-voltage switchgear cabinet. The busbar parallel connection structures of two adjacent low-voltage switchgear cabinets abut against each other to form a sealed channel, allowing them to connect. This achieves an IP68 waterproof and dustproof rating for the low-voltage switchgear while maintaining connectivity between adjacent cabinets. A channel steel frame is installed inside the low-voltage switchgear cabinet, allowing the plate frames formed by the channel steel to be longitudinally distributed within the cabinet. This disperses the weight, originally concentrated in one area, across different plate frames, reducing the load-bearing pressure per unit area, increasing the overall load-bearing capacity, and minimizing the risk of deformation due to water pressure. Furthermore, this invention includes a waterproof cabinet door. The waterproof cabinet door reduces moisture penetration through gaps, ensuring that items inside are not affected by moisture and minimizing the risk of corrosion or short circuits to the internal circuitry, thus maintaining its normal performance. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a structural schematic diagram of the waterproof low-pressure cabinet in this utility model;

[0024] Figure 2 This is another structural schematic diagram of the waterproof low-pressure cabinet in this utility model;

[0025] Figure 3 This is a structural schematic diagram of a placement area in this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the first plate material in this utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the second plate in this utility model.

[0028] In the attached diagram: 1. Low-voltage cabinet body; 2. Channel steel frame; 21. Longitudinal plate frame; 211. First plate; 212. Second plate; 213. Third plate; 3. Drawer mechanism; 31. Base; 32. Drawer; 4. Waterproof plug; 5. Waterproof cabinet door; 51. First handle; 6. Heat sink. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0030] Figure 1 A schematic diagram of the waterproof low-pressure cabinet structure of this utility model is shown. Figure 2 Another structural schematic diagram of the waterproof low-pressure cabinet of this utility model is shown. Figure 3 This invention illustrates a structural diagram of a placement area in the present invention. Figure 4 This shows a schematic diagram of the structure of the first plate in this utility model. Figure 5A schematic diagram of the structure of the second plate material in this utility model is shown. The waterproof low-voltage switchgear includes: multiple low-voltage switchgear cabinets. Adjacent low-voltage switchgear cabinets are interconnected based on a busbar parallel connection structure. The busbar parallel connection structure includes a connecting frame and multiple fixing parts disposed on the connecting frame. The multiple fixing parts fix the connecting frame to the low-voltage switchgear cabinet. In this embodiment, the low-voltage switchgear has four low-voltage switchgear cabinets. The busbar parallel connection structure of adjacent low-voltage switchgear cabinets abuts to form a sealed channel, allowing adjacent low-voltage switchgear cabinets to communicate through the busbar parallel connection structure. This achieves an IP68 waterproof and dustproof rating for the waterproof low-voltage switchgear while allowing communication between adjacent low-voltage switchgear cabinets. The low-voltage switchgear cabinet 11 and a channel steel frame 2 disposed inside the low-voltage switchgear cabinet 1; the channel steel frame 2 includes several groups of longitudinal plate frames 21, with the diameter-depth-width direction of the waterproof low-voltage switchgear as the X-axis, the height direction of the waterproof low-voltage switchgear as the Z-axis, and the length direction of the waterproof low-voltage switchgear as the Y-axis. The several groups of longitudinal plate frames 21 are spaced apart along the Y-axis direction inside the waterproof low-voltage switchgear. Each group of longitudinal plate frames 21 includes multiple first plates 211 and multiple second plates 212. A first plate 211 extends from the top of the waterproof low-voltage cabinet along the Z-axis to the bottom of the cabinet. A second plate 212 extends from the front end of the cabinet along the X-axis to the rear end. Multiple first plates 211 are spaced apart along the X-axis within the cabinet, and multiple second plates 212 are spaced apart along the Z-axis. The multiple first plates 211 and multiple second plates 212 within each set of longitudinal plate frames 21 are perpendicular to each other. Each low-voltage cabinet has a waterproof cabinet door, which is hinged to the cabinet body. The waterproof cabinet door 5 has a sealing ring. Through the design of the sealing ring, breathable and water-resistant membrane, the waterproof cabinet door 5 can reduce moisture penetration into the cabinet through gaps, ensuring that the items inside are not affected by moisture, reducing the risk of corrosion or short circuits to the internal circuitry, and maintaining its normal performance.

[0031] Furthermore, the channel steel frame 2 also includes several third plates 213, each distributed along the Y-axis. One end of each third plate 213 is connected to a set of longitudinal plate frames 21, and the other end of each third plate 213 is connected to another set of longitudinal plate frames 21. These third plates 213 are spaced apart along the X-axis within the waterproof and immersion-proof low-voltage cabinet. The third plates 213 are used to strengthen the structural strength of the longitudinal plate frames 21, thereby increasing the structural stability of the channel steel frame 2, enabling it to withstand greater loads or external forces, preventing deformation of the low-voltage cabinet due to stress, which would reduce the cabinet's waterproof and dustproof capabilities, and helping to maintain the IP68 waterproof and dustproof rating of the low-voltage cabinet.

[0032] In this embodiment of the invention, two to five sets of longitudinal plate frames 21 can be used. Multiple longitudinal plate frames 21 can be combined to form multiple mounting sections for installing corresponding electronic components. Specifically, two longitudinal plate frames 21 can be fitted together to form two mounting sections for corresponding electronic components, and three longitudinal plate frames 21 can be fitted together to form three mounting sections for corresponding electronic components. The number of mounting sections is directly proportional to the number of plate frames combined. When two sets of longitudinal plate frames 21 are used, two first plates 211 on one side of the first plane on one set of longitudinal plate frames 21 and two channel steels on the other side of the first plane on the other set of longitudinal plate frames 21 are fitted together, and the distance between the two channel steels on one side of the first plane is equal to the distance between the two channel steels on the other side of the first plane, allowing the two longitudinal plate frames 21 to form a larger frame. Similarly, when two or more sets of longitudinal plate frames 21 are used, the assembly of adjacent longitudinal plate frames 21 is the same as when using two sets of longitudinal plate frames 21, allowing multiple longitudinal plate frames 21 to form a larger frame.

[0033] In this embodiment, a shaped channel steel frame 2 can be formed using twelve first plates 211, eighteen second plates 212, and six third plates 213. Four first plates 211, six second plates 212, and two third plates 213 form a longitudinal plate frame 21, resulting in three sets of plate frames. In one set of plate frames, the four first plates 211 are located at the four corners, with adjacent first plates 211 being parallel to each other, forming a rectangle. Three of the six second plates 212 connect along the X-axis to two first plates 211 located on the same X-axis, and one of the two third plates 213 connects along the Y-axis to two first plates 211 located on the same Y-axis, thereby enhancing the structural strength of the channel steel frame 2. In addition, the second plates 212 on the two adjacent plate frames are located on different horizontal planes, thereby increasing the stress dispersion path and thus increasing the structural strength of the channel steel frame 2; the third plates 213 on the two adjacent plate frames are connected end to end, thereby increasing the structural stability of the channel steel frame 2 and enabling it to withstand greater loads or external forces.

[0034] Furthermore, both the first plate 211 and the third plate 213 are attached to the inner wall of the low-pressure cabinet, which increases the support points inside the cabinet. These support points can more effectively resist external forces and deformation, thereby improving the structural stability of the cabinet and reducing the risk of the cabinet being deformed by water pressure.

[0035] It should be noted that the fixing connector can be a nut and a screw or other connection structure. The nut passes through the corresponding first connection hole and second connection hole, and the screw is screwed into the nut to fix the first plate 211 and the second plate 212. Multiple fixing connectors fix the first plate 211 and the second plate 212 from different positions. Multiple connection points can increase the fastening force between the connecting plates, reduce loosening caused by vibration or external force, and help maintain the stability and reliability of the channel steel frame 2 structure.

[0036] Furthermore, the first plate 211 is U-shaped, and a connecting pipe is provided on the first plate 211, which is detachably installed on the first plate 211. The U-shape of the first plate 211 can effectively disperse stress, reduce stress concentration, and improve the structural strength of the low-pressure cabinet. The first plate 211 has a relatively wide flat surface, which can better resist overturning moment and abut against the inner wall of the low-pressure cabinet, thereby maintaining structural stability and reducing the risk of deformation of the low-pressure cabinet after being subjected to large water pressure. The two ends of the connecting pipe extend outward to form two connecting parts, each of which is a flat plate, and the connecting part is provided with two third connecting holes. The distance between the two third connecting holes is equal to the distance between two adjacent first connecting holes, which facilitates the alignment of the first connecting holes and the third connecting holes and their fixed connection by fixing connectors, which helps to increase the connection strength between the drawer 32 mechanism 3 and the channel steel frame 2.

[0037] Furthermore, the channel steel frame 2 is equipped with multiple drawer mechanisms 32 for mounting electronic components. These drawer mechanisms 32 are connected to the channel steel frame 2 via the connecting pipe. In this embodiment, the channel steel frame 2 has four drawer mechanisms 32, and the number of drawer mechanisms 32 can be increased or decreased according to usage. Each drawer mechanism 32 carries a corresponding electronic component; drawers 32 of different heights carry different electronic components, and each drawer 32 is labeled with the electronic components it contains, facilitating quick and accurate location of the corresponding electronic components by maintenance personnel during repairs, thus improving maintenance efficiency.

[0038] Furthermore, the drawer 32 mechanism 3 includes a base 31 and a drawer 32, the drawer 32 being movably mounted on the base 31; the base 31 is fixedly connected to the channel steel frame 2 based on the connecting pipe. The base 31 supports the drawer 32, and the drawer 32 is movably mounted on the base 31. When maintenance is required, the drawer 32 can be directly pulled out from the base 31 for direct maintenance, avoiding the need to disassemble all the electronic components inside the drawer 32 for inspection, thus improving maintenance efficiency. The fixed connection between the base 31 and the channel steel frame 2 based on the connecting pipe ensures that the base 31 can be stably fixed to the channel steel frame 2, reducing the risk of the drawer 32 mechanism 3 falling off during use and improving the structural stability of the drawer 32 mechanism 3.

[0039] Furthermore, the second plate 212 is U-shaped, with connecting plates at both ends. The second plate 212 is attached to the first plate 211 based on the connecting plates. When the second plate 212 is placed between two corresponding first plates 211, the connecting plate abuts against the corresponding first plate 211. The connecting plate has two second connecting holes, symmetrically arranged. When the first and second connecting holes are aligned, it facilitates the fixing of the first plate 211 and the second plate 212, increases the fastening force between the connecting plates, reduces loosening caused by vibration or external forces, and ensures the stability and reliability of the strip frame structure.

[0040] Furthermore, the top of the low-voltage switchgear cabinet is equipped with multiple waterproof plugs 4, which are electrically connected to the electronic components inside the cabinet. In this embodiment, the waterproof plugs are 800A waterproof plugs, which are typically made of high-strength, corrosion-resistant engineering plastics or metals, possessing excellent mechanical properties and chemical stability. The top of the low-voltage switchgear cabinet is equipped with twelve waterproof plugs 4, which feature a high-reliability design, providing waterproof, dustproof, and shockproof characteristics to ensure stable operation even in harsh environments. The number of waterproof plugs 4 is configured according to the actual needs of the low-voltage switchgear to meet the electrical connection requirements of different application scenarios. Each waterproof plug 4 contains multiple pins, which are connected one-to-one with the electronic components inside the cabinet through precise wiring technology, ensuring accurate transmission of electrical signals and facilitating later maintenance and replacement.

[0041] Furthermore, the waterproof immersion cabinet door 5 is provided with multiple first handles 51. In this embodiment, the first handle 51 is an adjustable stud handle. By adjusting the tightness of the stud, the user can easily achieve the required tightening effect without excessive force. This not only reduces the operator's labor intensity but also helps protect the equipment and workpiece from damage. Each waterproof immersion cabinet door 5 is provided with four or more first handles 51. Four of the four or more first handles 51 are respectively distributed at the four top corners of the waterproof immersion cabinet door 5. This prevents the sealing element at the top corner of the waterproof immersion cabinet door 5 from shifting, which would prevent the waterproof effect from being achieved. It also helps the first handle 51 to hold the sealing ring in the corresponding position, ensuring that the waterproof immersion cabinet door 5 can achieve a sealing effect.

[0042] Furthermore, the distance between any two adjacent first handles 51 is equal. In this embodiment, the distance between any two adjacent first handles 51 is equal, each handle is fixed to the waterproof immersion cabinet door 5, and the pressure exerted by each handle on the waterproof immersion cabinet door 5 is limited. That is, the distance between any two adjacent first handles 51 is equal, so that the pressure exerted by multiple first handles 51 on the waterproof immersion cabinet door 5 is equal, ensuring that the sealing ring inside the waterproof immersion cabinet door 5 can seal the low-pressure cabinet body, thereby improving the sealing capability of the low-pressure cabinet body.

[0043] Furthermore, the top of the low-voltage switchgear is provided with multiple heat sinks 6, which are respectively composed of three heat sink groups 6. Each heat sink group 6 is distributed at a different position on the top of the low-voltage switchgear. The heat sink group 6 increases the contact area with the air, effectively improving heat dissipation efficiency and preventing the generation of a large amount of heat during the operation of the low-voltage switchgear from failing to conduct the internal heat to the outside in a timely manner. This helps to reduce the aging of electronic components caused by high temperature, extend the service life of the electronic components in the low-voltage switchgear, and reduce maintenance and replacement costs.

[0044] Furthermore, the bottom of the low-voltage switchgear is provided with a corresponding mounting base, and the mounting base is provided with corresponding fixing holes. The fixing holes are used to insert corresponding fasteners to fix the entire low-voltage switchgear to the ground, so as to prevent the low-voltage switchgear from floating in the water due to the buoyancy of the water when it is immersed in water. By using fasteners to fix the low-voltage switchgear to the ground, the low-voltage switchgear can be stably fixed on the ground, reducing the impact of the buoyancy of the water on the low-voltage switchgear and preventing it from floating.

[0045] In summary, this utility model incorporates a busbar parallel connection structure within the low-voltage switchgear cabinet. The busbar parallel connection structures of two adjacent low-voltage switchgear cabinets abut against each other to form a sealed channel, allowing them to connect. This achieves an IP68 waterproof and dustproof rating for the low-voltage switchgear while maintaining connectivity between adjacent cabinets. Furthermore, a channel steel frame is installed inside the low-voltage switchgear cabinet, allowing the plate frames formed by the channel steel to be longitudinally distributed within the cabinet. This disperses the weight, originally concentrated in one area, across different plate frames, reducing the load-bearing pressure per unit area, increasing the overall load-bearing capacity, and minimizing the risk of deformation due to water pressure. Finally, this utility model includes a waterproof cabinet door, which reduces moisture penetration through gaps, ensuring that items inside are not affected by moisture and minimizing the risk of corrosion or short circuits to the internal circuitry, thus maintaining its normal performance.

[0046] Furthermore, the above description provides a detailed explanation of the waterproof low-pressure cabinet provided by the embodiments of this utility model. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A waterproof low-pressure switchgear, characterized in that, The waterproof low-voltage switchgear includes: multiple low-voltage switchgear cabinets, with two adjacent low-voltage switchgear cabinets interconnected based on a busbar parallel connection structure; The low-voltage switchgear cabinet is provided with a channel steel base and a channel steel frame, and the channel steel frame is fixed on the channel steel base; The channel steel frame includes several sets of longitudinal plate frames, with the X-axis representing the diameter-depth-width direction of the waterproof low-pressure cabinet, the Z-axis representing the height direction of the waterproof low-pressure cabinet, and the Y-axis representing the length direction of the waterproof low-pressure cabinet. The several sets of longitudinal plate frames are distributed at intervals along the Y-axis direction inside the waterproof low-pressure cabinet. Each set of longitudinal plate frames includes multiple first plates and second plates. Each first plate extends from the top of the waterproof low-pressure cabinet along the Z-axis to the bottom of the waterproof low-pressure cabinet, and each second plate extends from the front end of the waterproof low-pressure cabinet along the X-axis to the rear end of the waterproof low-pressure cabinet. Multiple first plates are spaced apart along the X-axis inside the waterproof low-pressure cabinet, and multiple second plates are spaced apart along the Z-axis inside the waterproof low-pressure cabinet. Multiple first plates and multiple second plates within each set of longitudinal plate frames are perpendicular to each other. Each of the aforementioned low-voltage cabinets has a waterproof cabinet door, which is hinged to the low-voltage cabinet body.

2. The waterproof low-pressure switchgear according to claim 1, characterized in that, The channel steel frame also includes several third plates, each of which is distributed along the Y-axis. One end of each third plate is connected to a set of longitudinal plate frames, and the other end of each third plate is connected to another set of longitudinal plate frames. Several third plates are distributed at intervals along the X-axis inside the waterproof and immersion-proof low-pressure cabinet.

3. The waterproof low-pressure switchgear according to claim 1, characterized in that, The first plate is U-shaped and has a connecting pipe that is detachably installed on it.

4. The waterproof low-pressure switchgear according to claim 3, characterized in that, The channel steel frame is equipped with multiple drawer mechanisms for mounting electronic components, and the drawer mechanisms are connected to the channel steel frame based on the connecting pipe.

5. The waterproof low-pressure switchgear according to claim 4, characterized in that, The drawer mechanism includes a base and a drawer, the drawer being movably mounted on the base; The base is fixedly connected to the channel steel frame based on the connecting pipe.

6. The waterproof low-pressure switchgear according to claim 3, characterized in that, The second material is U-shaped, and connecting plates are provided at both ends of the second material. The second material is attached to the first material based on the connecting plates.

7. The waterproof low-pressure switchgear according to claim 1, characterized in that, The top of the low-voltage cabinet is equipped with multiple waterproof plugs, which are electrically connected to the electronic components inside the low-voltage cabinet.

8. The waterproof low-pressure switchgear according to claim 6, characterized in that, The waterproof cabinet door is equipped with multiple first handles.

9. The waterproof low-pressure switchgear according to claim 8, characterized in that, The distance between any two adjacent first handles is equal.

10. The waterproof low-pressure switchgear according to claim 1, characterized in that, The top of the low-voltage cabinet is equipped with multiple heat sinks.

Images