A waterproof device suitable for switching equipment of rail transit power supply system

Abstract

The utility model relates to rail transit power supply system equipment technical field discloses a waterproof device suitable for rail transit power supply system switch equipment, include: support, support is fixedly connected with switch cabinet body through the combined mode of one group or more groups arrangement, as support point, the both sides of support are fixedly installed with clamping plate, and when clamping plate is assembled with support, the mounting hole of one end of support for installing clamping plate is higher than the mounting hole of the other end of support for installing clamping plate, and the drainage angle is generated through the height difference of both ends, the waterproof cover is installed at the top of clamping plate, and is fixed through waterproof cover limiting assembly, so that the lateral displacement of waterproof cover can be limited. The utility model has the advantages of simple structure, reasonable design, can effectively defend the invasion of switch cabinet by water dripping and seepage on the top of cabinet body, can also effectively adapt to the characteristics of switch cabinet, can be effectively used when the pressure relief of switch cabinet appears, forms reasonable pressure relief channel, and protects the switch cabinet body from the damage of fault pressure relief gas.

Description

Technical Field

[0001] This utility model relates to the technical field of rail transit power supply system equipment, and more specifically, to a waterproof device suitable for switchgear in rail transit power supply systems. Background Technology

[0002] Currently, important power supply equipment for rail transit, such as metal-sealed switchgear and air-insulated DC switchgear, is located in power supply equipment rooms along the rail transit lines, where indoor power supply equipment plays a key role in rail transit power supply system engineering.

[0003] However, most of the existing rail transit power supply equipment is power-type equipment, and it has high requirements for the natural environment such as waterproofing and heat dissipation. Waterproofing is required during the equipment manufacturing process, but waterproofing and heat dissipation are contradictory technical measures. If the IP rating of the equipment waterproofing is infinitely strengthened, it will inevitably lead to poor heat dissipation, ultimately resulting in a decrease in the efficiency and lifespan of the equipment.

[0004] Finding the best combination of waterproofing and heat dissipation for power supply equipment is an important direction for improving the performance and lifespan of power supply equipment. In existing technologies, it is not necessary to seek to increase the waterproof IP rating of the equipment itself. Instead, we should study the potential water damage risk points of the equipment and make corresponding engineering measures. The risk points of water damage to equipment generally come from the damage or functional loss of the roof waterproof layer, and are affected by the infiltration of water vapor and rainwater above the equipment room.

[0005] Solutions to dripping and seepage typically involve adding a waterproof cover above the equipment. This effectively protects the equipment from the impact of rainwater or leaks. However, current integrated waterproof covers do not fully consider the engineering characteristics of power supply equipment in rail transit projects. When a short circuit occurs in rail transit power supply system equipment, such as metal-sealed switchgear and air-insulated DC switchgear, the pressure relief channel is usually located above the equipment to protect personnel safety. The enormous pressure generated by the pressure relief acts on the integrated waterproof cover, which will damage the cabinet structure connected to the waterproof cover and cause damage to the power supply equipment.

[0006] There are currently no effective solutions to the problems in the relevant technologies. Utility Model Content

[0007] In view of the problems in related technologies, this utility model proposes a waterproof device for switchgear in rail transit power supply systems, so as to overcome the above-mentioned technical problems existing in the existing related technologies.

[0008] Therefore, the specific technical solution adopted by this utility model is as follows: A waterproof device for switchgear in rail transit power supply systems includes: Supports are fixedly connected to the switch cabinet body through one or more sets of combinations, serving as support points; The clamps are fixedly installed on both sides of the support. When the clamps are assembled with the support, the mounting hole at one end of the support for installing the clamps is higher than the mounting hole at the other end of the support for installing the clamps, and a drainage angle is generated by the height difference between the two ends. The waterproof cover is installed on the top of the clamp and fixed by the waterproof cover limiting component, which restricts the lateral displacement of the waterproof cover. Furthermore, the clamping plate and the waterproof cover are fixed by friction, which is used to separate the clamping plate from the waterproof cover when the switch cabinet fails and upward pressure is released, thus protecting the switch cabinet from damage caused by high temperature and high pressure release gas.

[0009] Preferably, the clamping plate and the waterproof cover limiting assembly are fixed to one side of the support by two sets of bolts and nuts.

[0010] Preferably, the waterproof cover has a limiting hole inside that cooperates with the waterproof cover limiting component to achieve the purpose of positioning the waterproof cover; at the same time, it is provided with a positioning foot that cooperates with the clamping plate, so that when the positioning foot is inserted into the stress port of the clamping plate, it can obtain the left and right stress of the clamping plate to form friction force, so as to avoid the waterproof cover from lateral displacement.

[0011] Preferably, the clamping plate is composed of two sets of symmetrically arranged spring pieces, and stress holes are generated in the gap between the two sets of spring pieces for fixing the positioning feet.

[0012] Preferably, the drainage angle generated by the height difference between the two ends creates a drainage slope, allowing dripping or leaking water from the top of the switch cabinet to flow out of the switch cabinet area through the waterproof cover according to the drainage slope.

[0013] Preferably, when the waterproof cover is subjected to strong pressure from the switch cabinet body, the waterproof cover can automatically overcome the frictional force formed by the stress applied by the clamping plate, so that the waterproof cover can automatically separate upwards to protect the switch cabinet body from the impact of high temperature and high pressure gas pressure.

[0014] The beneficial effects of this utility model are as follows: 1. This utility model has a simple structure and reasonable design, which can effectively prevent water dripping and seepage from the top of the cabinet from affecting the switch cabinet. At the same time, it can effectively adapt to the characteristics of the switch cabinet. When the switch cabinet is depressurized, it can be used in conjunction to form a reasonable pressure relief channel, protecting the switch cabinet body from damage by the faulty depressurized gas. It is also very convenient for staff to operate, saving the time required for disassembly and installation, reducing property loss, and improving safety.

[0015] 2. This utility model achieves the purpose of preventing dripping and leakage by setting a waterproof cover. At the same time, it can also ensure the structural safety of the power supply switch equipment without damaging the cabinet structure when the switch equipment is urgently depressurized. At the same time, through the fixed cooperation between the waterproof devices, it can protect the switch cabinet from damage to the switch cabinet body caused by the impact of high temperature and high pressure depressurization gas when the switch cabinet fails and needs to be depressurized. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments 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.

[0017] Figure 1 This is a structural schematic diagram of a waterproof device for switchgear in rail transit power supply systems according to an embodiment of the present invention; Figure 2 yes Figure 1 A partial schematic diagram of point A in the middle; Figure 3 This is a structural schematic diagram of another combination of a waterproof device for switchgear in rail transit power supply systems, according to an embodiment of the present invention. Figure 4 This is a left view of a support in a waterproof device for switchgear in a rail transit power supply system according to an embodiment of the present invention; Figure 5 This is a front view of a support in a waterproof device for switchgear in a rail transit power supply system according to an embodiment of the present invention; Figure 6 This is a top view of a waterproof device for switchgear in rail transit power supply systems, according to an embodiment of the present invention. Figure 7 This is a left view of the clamping plate in a waterproof device for switchgear in a rail transit power supply system according to an embodiment of the present utility model; Figure 8 This is a front view of the clamping plate in a waterproof device for switchgear in a rail transit power supply system according to an embodiment of the present utility model; Figure 9 This is a top view of the clamping plate in a waterproof device for switchgear in a rail transit power supply system according to an embodiment of the present utility model; Figure 10 This is a left view of a waterproof cover limiting component in a waterproof device for switchgear in a rail transit power supply system according to an embodiment of the present invention; Figure 11 This is a front view of a waterproof cover limiting component in a waterproof device for switchgear in a rail transit power supply system, according to an embodiment of the present invention. Figure 12 This is a left view of a waterproof cover in a waterproof device for switchgear in a rail transit power supply system according to an embodiment of the present invention; Figure 13 This is a front view of a waterproof cover in a waterproof device for switchgear in a rail transit power supply system according to an embodiment of the present utility model; Figure 14 This is a top view of a waterproof cover in a waterproof device for switchgear in a rail transit power supply system, according to an embodiment of the present invention.

[0018] In the picture: 1. Support; 2. Clamping plate; 3. Waterproof cover limiting assembly; 4. Waterproof cover; 5. Drainage angle; 6. Bolt; 7. Nut; 8. Limiting hole; 9. Positioning foot. Detailed Implementation

[0019] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0020] According to an embodiment of the present invention, a waterproof device suitable for switchgear in rail transit power supply systems is provided.

[0021] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figures 1-14 As shown, a waterproof device for switchgear in rail transit power supply systems according to an embodiment of the present invention includes: Support 1 is fixedly connected to the switch cabinet body through one or more sets of combinations, serving as a support point; The clamp plate 2 is fixedly installed on both sides of the support 1. When the clamp plate 2 is assembled with the support 1, the mounting hole of the clamp plate 2 at one end of the support 1 is higher than the mounting hole of the clamp plate 2 at the other end of the support 1, and a drainage angle 5 is generated by the height difference between the two ends. The waterproof cover 4 is installed on the top of the clamping plate 2 and fixed by the waterproof cover limiting component 3, so that the lateral displacement of the waterproof cover 4 can be restricted. Furthermore, the clamping plate 2 and the waterproof cover 4 are fixed by friction, which is used to separate the clamping plate 2 and the waterproof cover 4 when the switch cabinet fails and upward pressure is generated, so as to protect the switch cabinet from damage by high temperature and high pressure relief gas.

[0022] The support 1, clamp 2, waterproof cover limiting component 3, and waterproof cover 4 are all fixed by bolts 6 and nuts 7. The different height differences between the front and rear supports form a drainage angle 5. The slope of the water flow allows dripping or leaking water from the top of the cabinet to flow out of the cabinet area through the slope of the waterproof cover 4. The waterproof cover 4 has a limiting hole 8, which works with the waterproof cover limiting component 3 to limit the lateral displacement of the waterproof cover 4. The waterproof device is modular and can be installed independently on a switch cabinet or combined with a row of cabinets to protect the entire row of cabinets. The clamp 2 and the waterproof cover 4 are fixed by friction. When a cabinet failure occurs and upward pressure is generated, the gas pressure can easily blow open the waterproof cover 4 covering the faulty cabinet, so that the waterproof cover 4 can be easily separated from the clamp 2, protecting the cabinet from damage by high temperature and high pressure relief gas.

[0023] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0024] In practical applications, the staff fixes the support 1 to the pre-drilled bolt holes in the switch cabinet with bolts, thus serving as the overall support point for the waterproof equipment. The clamp 2 is fixed to the support 1 by two sets of bolts 6 and nuts 7. The clamp 2 is preferably made of elastic metal parts and consists of two spring pieces on the left and right. When combined with the support 1, the mounting hole of the clamp 2 on one end of the support 1 is slightly higher than the mounting hole of the clamp 2 on the other end of the support 1. The waterproof cover limiting component 3 is fixed to the clamp 2 with the same set of bolts 6 and nuts 7. The waterproof cover 4 has a limiting hole 8 inside that cooperates with the waterproof cover limiting component 3. When the waterproof cover 4 is installed, the waterproof cover limiting component 3 should pass through the limiting hole 8 at the position of the waterproof cover 4 to position the waterproof cover 4. At the same time, the bottom of the waterproof cover 4 is provided with a positioning foot 9, which cooperates with the clamp 2. When the waterproof cover 4 is assembled as part of the waterproof device, the waterproof cover 4 should be inserted into the stress hole of the clamp 2. The positioning foot 9 should obtain the left and right stress of the clamp 2 to form a corresponding friction force to prevent the waterproof cover 4 from moving.

[0025] The above-mentioned combination of waterproof cover 4 can be stably installed. Drip water can be discharged from the cabinet area along the slope formed by the waterproof cover 4. When the waterproof cover 4 is subjected to strong pressure from below, the waterproof cover 4 can automatically overcome the frictional force formed by the stress applied by the clamp 2. The waterproof cover 4 can automatically separate the waterproof device upwards, and the cabinet body will not be affected by the impact of high temperature and high pressure gas pressure.

[0026] In summary, with the help of the above-mentioned technical solution of this utility model, the structure is simple and the design is reasonable. It can effectively prevent water dripping and seepage from the top of the cabinet from affecting the switch cabinet. At the same time, it can effectively adapt to the characteristics of the switch cabinet. When the switch cabinet is depressurized, it can be used in conjunction to form a reasonable pressure relief channel, protecting the switch cabinet body from damage caused by faulty depressurized gas. It is also very convenient for operators to operate, saving the time required for disassembly and installation, reducing property damage, and improving safety. This utility model achieves the purpose of preventing dripping and leakage by setting a waterproof cover 4. At the same time, it can also prevent damage to the cabinet structure during emergency pressure relief of the switch equipment, ensuring the structural safety of the power supply switch equipment body. In addition, through the fixed cooperation between the waterproof devices, it can protect the switch cabinet body from damage caused by the impact of high temperature and high pressure depressurized gas when the switch cabinet fails and pressure relief is required.

[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A waterproof device suitable for switchgear in rail transit power supply systems, characterized in that, include: Support (1), the support (1) is fixedly connected to the switch cabinet body through one or more sets of arrangements, and serves as a support point; The clamp (2) is fixedly installed on both sides of the support (1), and when the clamp (2) is assembled with the support (1), the mounting hole of the clamp (2) at one end of the support (1) is higher than the mounting hole of the clamp (2) at the other end of the support (1), thus generating a drainage angle (5) through the height difference between the two ends; and, The waterproof cover (4) is installed on the top of the clamp (2) and fixed by the waterproof cover limiting component (3) so that the lateral displacement of the waterproof cover (4) can be restricted. Furthermore, the clamp (2) and the waterproof cover (4) are fixed by friction, which is used to separate the clamp (2) and the waterproof cover (4) when the switch cabinet fails and upward pressure is generated, so as to protect the switch cabinet from damage by high temperature and high pressure relief gas.

2. A waterproof device for switchgear in rail transit power supply systems according to claim 1, characterized in that, The clamp (2) and the waterproof cover limiting assembly (3) are fixed to one side of the support (1) by two sets of bolts (6) and nuts (7).

3. A waterproof device for switchgear in rail transit power supply systems according to claim 1, characterized in that, The waterproof cover (4) has a limiting hole (8) inside that cooperates with the waterproof cover limiting component (3) to achieve the purpose of positioning the waterproof cover (4); At the same time, a positioning foot (9) is provided to cooperate with the clamp (2), so that when the positioning foot (9) is inserted into the stress port of the clamp (2), the left and right stresses of the clamp (2) can be obtained to form friction, so as to avoid the waterproof cover (4) from lateral displacement.

4. A waterproof device for switchgear in rail transit power supply systems according to claim 3, characterized in that, The clamp (2) is composed of two sets of symmetrically arranged spring pieces. Stress holes are generated in the gap between the two sets of spring pieces to fix the positioning foot (9).

5. A waterproof device for switchgear in rail transit power supply systems according to claim 1, characterized in that, The drainage angle (5) generated by the height difference between the two ends creates a water flow slope, allowing the dripping or leaking water at the top of the switch cabinet to flow out of the switch cabinet area through the waterproof cover (4) according to the water flow slope.

6. A waterproof device for switchgear in rail transit power supply systems according to claim 1, characterized in that, When the waterproof cover (4) is subjected to strong pressure from the switch cabinet body, the waterproof cover (4) can automatically overcome the frictional force formed by the stress applied by the clamp (2), so that the waterproof cover (4) can automatically separate upwards to protect the switch cabinet body from the impact of high temperature and high pressure gas pressure.

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