Pipeline waterproof structure and energy storage converter

Abstract

The invention discloses a pipeline waterproof structure and an energy storage converter. The pipeline waterproof structure is used for preventing water flowing along the outer wall of a pipeline from flowing to a waterproof section of the pipeline, an anti-flowing section is arranged on the pipeline in the flowing direction of the water and in front of the waterproof section, that is, the water flows through the anti-flowing section firstly and then flows through the waterproof section, and the waterproof section is the pipeline corresponding to an area needing waterproof. The anti-flowing section is used for preventing water from moving towards the waterproof section, the anti-flowing section is provided with a lowest point and an anti-flowing point which are sequentially arranged in the flowing direction of the water, the lowest point is lower than the anti-flowing point, under the action of gravity, the water is not prone to moving from the low point to the high point, and the water is prevented from moving towards the waterproof section; and the waterproof section is not located under the lowest point, so that water is prevented from falling onto the waterproof section from the lowest point to cause waterproof failure at the position.

Description

Technical Field

[0001] The invention relates to the field of waterproof structures, and in particular to a pipeline waterproof structure and an energy storage converter. Background Art

[0002] In the prior art, in order to facilitate the installation of pipelines, the pipelines are usually extended in a vertical direction. When water overflows at the joints of the pipelines or rain falls on the pipelines, the water will move along the outer wall of the pipelines. When there are electrical components under the pipelines that need to be waterproofed, the electrical components may be damaged by water ingress. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned defects or problems existing in the background technology and to provide a pipeline waterproof structure and an energy storage converter.

[0004] To achieve the above objectives, the present invention and its preferred embodiments adopt the following technical solutions, but the embodiments are not limited to the following solutions:

[0005] Solution 1: A pipeline waterproof structure is used to prevent water flowing along the outer wall of the pipeline from flowing into the waterproof section of the pipeline.

[0006] In the direction of water flow along the pipeline, the pipeline is provided with an anti-flow section in front of the waterproof section, and the anti-flow section is provided with a lowest point and an anti-flow point arranged in sequence along the direction of water flow, the lowest point is lower than the anti-flow point, and the waterproof section is not located directly below the lowest point.

[0007] Solution 2, based on Solution 1, the first wall below the lowest point is lower than the second wall below the starting point of the waterproof section.

[0008] Option three, based on option one, further includes a blocking protrusion, wherein the first wall below the lowest point of the anti-flow section is lower than the top surface of the blocking protrusion, and the blocking protrusion is suitable for separating the first wall and the second wall below the starting point of the waterproof section.

[0009] Option 4, based on Option 1, the anti-flow section extends in the horizontal direction and tilts upward.

[0010] Solution 5, based on Solution 1, the anti-drip section includes a horizontal section and a vertical section connected to each other, the horizontal section has the lowest point, and the vertical section extends upward and has the anti-drip point.

[0011] Option six, based on Option one, the anti-flow section includes a vertical section, which extends upward and has the lowest point and the anti-flow point.

[0012] Solution seven, based on Solution one, also includes a first cavity and a waterproof cavity, the pipeline is provided with a first section, the first section passes through the first cavity and the waterproof cavity in sequence, the waterproof cavity is provided with a first through hole suitable for the first section to pass through, the first through hole is connected to the first cavity, the lowest point of the first through hole is higher than the bottom wall of the first cavity, and the bottom wall of the first cavity is suitable for receiving water overflowing from the joint of the pipeline or water entering from the opening of the first cavity.

[0013] Option 8, based on Option 7, also includes a second cavity, the pipeline passes through the first cavity, the waterproof cavity and the second cavity in sequence; the second cavity is located below the first cavity, the waterproof cavity is also provided with a second through hole suitable for the pipeline to pass through, the second through hole is connected to the second cavity, the waterproof section and the anti-drip section are located in the second cavity, and the waterproof section is not located directly below the second through hole.

[0014] Solution nine, based on solution seven, the first section passes through the first via hole in a horizontal direction, or passes through the first via hole in a horizontal direction and in an upwardly inclined direction.

[0015] Solution 10, based on Solution 7, the first section abuts against at least part of the hole wall of the first via hole.

[0016] Solution eleven, based on Solution nine, the pipeline also includes a connecting section, the two ends of the connecting section are respectively connected to the first section and the anti-flow section, and the first section, the anti-flow section and the waterproof section are located on the same side of the connecting section.

[0017] Option 12, based on Option 1, the pipeline includes a first section, a connecting section and the anti-flow section which are connected in sequence along the flow direction of water, the connecting section extends in a vertical direction, and the first section and the anti-flow section are located on the same side of the connecting section.

[0018] Option 13, an energy storage inverter, comprising a pipeline waterproofing structure as described in any one of Option 1 to Option 12.

[0019] From the above description of the present invention and its preferred embodiments, it can be seen that, compared with the prior art, the technical solution of the present invention and its preferred embodiments have the following beneficial effects due to the adoption of the following technical means:

[0020] 1. Scheme 1 and its preferred embodiment, a pipeline waterproof structure is used to prevent water flowing along the outer wall of the pipeline from flowing to the waterproof section of the pipeline. In the flowing direction of the water along the pipeline, the pipeline is provided with an anti-flow section in front of the waterproof section, that is, water first flows through the anti-flow section and then flows through the waterproof section. The waterproof section is the pipeline corresponding to the area that needs waterproofing; the anti-flow section is used to prevent water from moving to the waterproof section. The anti-flow section is provided with a lowest point and an anti-flow point arranged in sequence along the flowing direction of the water. The lowest point is lower than the anti-flow point. Under the action of gravity, water is not easy to move from a low point to a high point, thereby preventing water from moving to the waterproof section; and the waterproof section is not located directly below the lowest point, thereby preventing water from falling onto the waterproof section at the lowest point, thereby causing waterproofing failure here.

[0021] 2. Scheme 2 and its preferred implementation, in Scheme 1, if the surface below the lowest point (first wall) and the surface below the starting point of the waterproof section (second wall) are located in the same plane, or the second wall is lower than the first wall, when a small amount of water accumulates at the first wall, it may also flow to the second wall, affecting the waterproof effect. In this embodiment, the second wall is higher than the first wall, so that the water accumulated at the first wall can reach the second wall only after reaching a certain volume, thereby improving the waterproof effect.

[0022] 3. In scheme three and its preferred implementation mode, the blocking protrusion prevents water on the first wall from reaching the second wall before passing over the top of the blocking protrusion, thereby improving the waterproof effect.

[0023] 4. In scheme 4 and its preferred implementation, the anti-flow section extends in the horizontal direction and tilts upward, which can effectively prevent water on the outer wall of the pipeline from moving toward the waterproof section.

[0024] 5. In the fifth scheme and its preferred embodiment, the anti-drip section includes a horizontal section and a vertical section connected to each other, the horizontal section has the lowest point, and the vertical section extends upward and has an anti-drip point. Among them, water in the horizontal section is also difficult to move horizontally, and it is easy to drip in the horizontal section when the water volume on the outer wall of the pipeline is low, while the vertical section is difficult to climb, and the waterproof effect is better.

[0025] 6. In scheme six and its preferred embodiment, the anti-drip section includes a vertical section, which extends upward and has a lowest point and an anti-drip point. The vertical section is difficult to climb and has a better waterproof effect.

[0026] 7. In scheme seven and its preferred embodiment, the lowest point of the first via hole is higher than the bottom wall of the first cavity, and the bottom wall of the first cavity is suitable for receiving water overflowing from the joint of the pipeline or water entering from the opening of the first cavity, so that water will enter the first via hole only when water overflows from the bottom wall of the first cavity to the first via hole, thereby increasing the waterproof performance of the waterproof cavity.

[0027] 8. Scheme 8 and its preferred embodiments further include a second cavity, the pipeline passes through the first cavity, the waterproof cavity and the second cavity in sequence; the second cavity is located below the first cavity, the waterproof cavity is also provided with a second via hole suitable for the pipeline to pass through, the second via hole is connected to the second cavity, the waterproof section and the anti-drip section are located in the second cavity, and the waterproof section is not located directly below the second via hole. The waterproof section is not located directly below the second via hole, so as to prevent water at the second via hole from falling directly on the waterproof section and affecting the waterproof effect.

[0028] 9. In the ninth solution and its preferred embodiment, the first section passes through the first via hole in a horizontal direction, or passes through the first via hole in a horizontal direction and in an upwardly inclined direction, thereby reducing the water flowing along the outer wall of the pipeline from flowing into the waterproof cavity.

[0029] 10. In scheme 10 and its preferred embodiment, the first section abuts against at least part of the hole wall of the first via hole, and in at least part of the area, the gap between the first section and the hole wall of the first via hole is reduced. At the position where the gap is small, water slides down the wall where the first via hole is provided, so as to reduce the water flowing along the outer wall of the pipeline from entering the waterproof cavity through the gap.

[0030] 11. In scheme 11 and its preferred embodiment, the first section, the anti-flow section and the waterproof section are located on the same side of the connecting section, so that the pipeline is roughly "C" shaped. If the water flowing along the outer wall of the pipeline at the first section has a tendency to flow to the left, it is not easy to overflow to the right onto the anti-flow section due to inertia, thereby reducing the possibility of failure of the anti-flow section.

[0031] 12. In Scheme 12 and its preferred implementation, the pipeline is roughly "C"-shaped. If the water flowing along the outer wall of the pipeline in the first section has a tendency to flow to the left, it is not easy to overflow to the right onto the anti-flow section due to inertia, thereby reducing the possibility of failure of the anti-flow section.

[0032] 13. In Scheme 13 and its preferred implementation, an energy storage converter includes the above-mentioned pipeline waterproof structure and has the beneficial effects brought by the above-mentioned pipeline waterproof structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 It is a schematic diagram of a partial structure of the energy storage converter in the first embodiment;

[0035] Figure 2 for Figure 1 Enlarged view of the marked area;

[0036] Figure 3 It is a structural schematic diagram of Embodiment 2;

[0037] Figure 4 This is a schematic diagram of the structure of Embodiment 3;

[0038] Figure 5 It is a structural schematic diagram of Embodiment 4;

[0039] Description of main reference numerals:

[0040] Pipeline 1; first section 11; connecting section 12; anti-drip section 13; lowest point 131; anti-drip point 132; horizontal section 133; vertical section 134; waterproof section 14; joint 15; first cavity 2; waterproof cavity 3; first through hole 31; second through hole 32; second cavity 4; first wall 41; second wall 42; blocking protrusion 5; water flow direction 6. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] In the claims, description and the above-mentioned drawings of the present invention, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. are for distinguishing different objects rather than for describing a specific order.

[0043] In the claims, specification and the above-mentioned drawings of the present invention, unless otherwise explicitly defined, directional words, such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", etc., indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the present invention.

[0044] In the claims, specification and the above drawings of the present invention, unless otherwise clearly defined, if the term "fixed connection" or "fixed connection" is used, it should be understood in a broad sense, that is, any connection method without a displacement relationship and relative rotation relationship between the two, that is to say, including non-detachable fixed connection, detachable fixed connection, integrated connection and fixed connection through other devices or elements.

[0045] In the claims, description and drawings of the present invention, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0046] refer to Figure 1 , Figure 2 , an energy storage converter, including a pipeline waterproof structure, which is used to prevent water flowing along the outer wall of the pipeline 1 from flowing to the waterproof section 14 of the pipeline 1.

[0047] The pipeline waterproof structure comprises a pipeline 1 , a first cavity 2 , a waterproof cavity 3 , and a second cavity 4 .

[0048] The first cavity 2 may be a cavity for placing the main components of the dry cooler. The first cavity 2 has holes on the top and sides for air intake and exhaust, etc., so rainwater may enter the first cavity 2. The bottom wall of the first cavity 2 is suitable for receiving water overflowing from the joint 15 of the pipeline 1 or water entering from the opening of the first cavity 2.

[0049] The waterproof cavity 3 has a required waterproof element or is connected to a required waterproof area. In this embodiment, the waterproof cavity 3 is provided with a first via hole 31 and a second via hole 32, the first via hole 31 extends in the horizontal direction and is connected to the first cavity 2, and the lowest point 131 of the first via hole 31 is higher than the bottom wall of the first cavity 2. The second via hole 32 extends in the vertical direction and is connected to the second cavity 4.

[0050] The second chamber 4 is located below the first chamber 2 , and the second chamber 4 may be a region for placing a heat exchanger. The second chamber 4 is provided with a first wall 41 and a second wall 42 , and the second wall 42 is higher than the first wall 41 .

[0051] The component cavity is located below the second cavity 4 and is used to place components, which need to be waterproof.

[0052] In this embodiment, the pipeline 1 is connected to the dry cooler and passes through the first chamber 2, the waterproof chamber 3, the second chamber 4, and the element chamber in sequence for heat exchange. In the water flow direction 6 of the pipeline 1, the pipeline 1 includes a first section 11, a connecting section 12, an anti-flow section 13 and a waterproof section 14 that are connected in sequence. The first section 11 has a joint 15 in front of the water flow direction 6. The first section 11 passes through the first through hole 31 from the first chamber 2 and enters the waterproof chamber 3. Preferably, the first section 11 passes through the first through hole 31 in the horizontal direction, or passes through the first through hole 31 in the horizontal direction and in an upwardly inclined direction. The first section 11 is offset against at least part of the hole wall of the first through hole 31 to reduce the water entering the waterproof chamber 3. The connecting section 12 extends in the vertical direction, and the connecting section 12 passes through the second through hole 32 in the waterproof cavity 3 and enters the second cavity 4; the two ends of the connecting section 12 are respectively connected to the first section 11 and the anti-drip section 13, and the first section 11 and the anti-drip section 13 are located on the same side of the connecting section 12. The anti-drip section 13 is located in the second cavity 4, and the anti-drip section 13 is arranged in front of the waterproof section 14 along the water flow direction 6. The anti-drip section 13 is provided with a lowest point 131 and an anti-drip point 132 arranged in sequence along the water flow direction 6, and the lowest point 131 is lower than the anti-drip point 132. Specifically, the anti-drip section 13 extends in the horizontal direction and tilts upward.

[0053] The waterproof section 14 is located in the second cavity 4, and the waterproof section 14 is not located directly below the lowest point 131 of the anti-drip section 13 and the second via 32. The first wall 41 below the lowest point 131 of the anti-drip section 13 is lower than the second wall 42 below the starting point of the waterproof section 14. The waterproof section 14 can extend in the horizontal direction, in the vertical direction, or in other directions. The end point of the waterproof section 14 can be spaced vertically from the second wall 42, or it can abut against the second wall 42.

[0054] During use, if water overflows at the joint 15 or water enters the opening of the first cavity 2, water droplets adhere to the outer wall of the pipe 1 and drip onto the bottom wall of the first cavity 2. If there are still water droplets moving along the first section 11, the gap between the first section 11 and the hole wall of the first through hole 31 is reduced due to the abutment, and the water slides along the wall surface where the first through hole 31 is provided to the bottom wall of the first cavity 2. If there is still water flowing to the connecting section 12, it will follow the connecting section 12 to the anti-flow section 13, and fall onto the first wall 41 from the lowest point 131 of the anti-flow section 13. Only when the water at the first wall 41 overflows to the height of the second wall 42, it is possible to affect the waterproof effect of the waterproof section 14, thereby increasing the waterproof performance.

[0055] Compared with the prior art, this implementation has the following beneficial effects:

[0056] In an exemplary embodiment, a pipeline waterproof structure is used to prevent water flowing along the outer wall of the pipeline 1 from flowing to the waterproof section 14 of the pipeline 1. In the water flow direction 6 of the pipeline 1, the pipeline 1 is provided with an anti-flow section 13 in front of the waterproof section 14, that is, water first flows through the anti-flow section 13 and then flows through the waterproof section 14. The waterproof section 14 is the pipeline 1 corresponding to the area that needs waterproofing; the anti-flow section 13 is used to prevent water from moving toward the waterproof section 14. The anti-flow section 13 is provided with a lowest point 131 and an anti-flow point 132 arranged in sequence along the water flow direction 6. The lowest point 131 is lower than the anti-flow point 132. Under the action of gravity, water is not easy to move from a low point to a high point, thereby preventing water from moving toward the waterproof section 14; and the waterproof section 14 is not located directly below the lowest point 131, thereby preventing water from falling onto the waterproof section 14 at the lowest point 131, thereby causing waterproofing failure here.

[0057] In an exemplary embodiment, in solution 1, if the surface below the lowest point 131 (first wall 41) and the surface below the starting point of the waterproof section 14 (second wall 42) are located in the same plane, or the second wall 42 is lower than the first wall 41, when a small amount of water accumulates at the first wall 41, it may also flow to the second wall 42, affecting the waterproof effect. In this embodiment, the second wall 42 is higher than the first wall 41, so that the water accumulated at the first wall 41 can reach the second wall 42 only after reaching a certain volume, thereby improving the waterproof effect.

[0058] In an exemplary embodiment, the anti-flow section 13 extends in a horizontal direction and tilts upward, which can effectively prevent water on the outer wall of the pipeline 1 from moving toward the waterproof section 14.

[0059] In an exemplary embodiment, the lowest point 131 of the first via hole 31 is higher than the bottom wall of the first cavity 2, and the bottom wall of the first cavity 2 is suitable for receiving water overflowing from the joint 15 of the pipeline 1 or water entering from the opening of the first cavity 2, so that water will enter the first via hole 31 only when water overflows from the bottom wall of the first cavity 2 to the first via hole 31, thereby increasing the waterproof performance of the waterproof cavity 3.

[0060] In an exemplary embodiment, a second cavity 4 is further included, and the pipeline 1 passes through the first cavity 2, the waterproof cavity 3 and the second cavity 4 in sequence; the second cavity 4 is located below the first cavity 2, and the waterproof cavity 3 is further provided with a second through hole 32 suitable for the pipeline 1 to pass through, and the second through hole 32 communicates with the second cavity 4, and the waterproof section 14 and the anti-drip section 13 are located in the second cavity 4, and the waterproof section 14 is not located directly below the second through hole 32. The waterproof section 14 is not located directly below the second through hole 32, so as to prevent water at the second through hole 32 from falling directly on the waterproof section 14, affecting the waterproof effect.

[0061] In an exemplary embodiment, the first section 11 passes through the first through hole 31 in a horizontal direction, or passes through the first through hole 31 in a horizontal direction and in an upwardly inclined direction, thereby reducing the water flowing along the outer wall of the pipeline 1 from flowing into the waterproof cavity 3 .

[0062] In an exemplary embodiment, the first section 11 abuts against at least part of the hole wall of the first via hole 31. In at least part of the area, the gap between the first section 11 and the hole wall of the first via hole 31 is reduced. At the position where the gap is small, water slides down the wall where the first via hole 31 is provided, so as to reduce the water flowing along the outer wall of the pipeline 1 from entering the waterproof cavity 3 through the gap.

[0063] In an exemplary embodiment, the first section 11, the anti-flow section 13 and the waterproof section 14 are located on the same side of the connecting section 12, so that the pipeline 1 is roughly "C"-shaped. If the water flowing along the outer wall of the pipeline 1 at the first section 11 has a tendency to flow to the left, it is not easy to overflow to the right onto the anti-flow section 13 due to inertia, thereby reducing the possibility of failure of the anti-flow section 13.

[0064] Embodiment 2:

[0065] The difference between this embodiment and the first embodiment is that the structure of the anti-flow section 13 is different from that of the first embodiment. Figure 3 In this embodiment, the anti-drip section 13 includes a horizontal section 133 and a vertical section 134 connected to each other, the horizontal section 133 has a lowest point 131, and the vertical section 134 extends upward and has an anti-drip point 132. The water at the horizontal section 133 is also difficult to move horizontally, and it is easy to drip at the horizontal section 133 when the water volume on the outer wall of the pipeline 1 is low, while the vertical section 134 is difficult to climb, and the waterproof effect is better.

[0066] Embodiment three:

[0067] The difference between this embodiment and the first embodiment is that the structure of the anti-flow section 13 is different from that of the first embodiment. Figure 4 In this embodiment, the anti-drip section 13 includes a vertical section 134, which extends upward and has a lowest point 131 and an anti-drip point 132. The vertical section 134 is difficult to climb and has a better waterproof effect.

[0068] Embodiment 4:

[0069] The difference between this embodiment and the first embodiment is that the structure for preventing the water at the first wall 41 from flowing to the second wall 42 is different. Figure 5In this embodiment, the energy storage converter includes a blocking protrusion 5, and the first wall 41 below the lowest point 131 of the anti-drift section 13 is lower than the top surface of the blocking protrusion 5. The blocking protrusion 5 is suitable for separating the first wall 41 from the second wall 42 below the starting point of the waterproof section 14, so that the water on the first wall 41 will not reach the second wall 42 before passing over the top of the blocking protrusion 5, thereby improving the waterproof effect. In this embodiment, the relative height relationship between the second wall 42 and the first wall 41 may not be shown, and the second wall 42 may be lower than the first wall 41 or flush with the first wall 41.

[0070] The description of the above specification and embodiments is used to explain the protection scope of the present invention, but does not constitute a limitation on the protection scope of the present invention. Through the enlightenment of the present invention or the above embodiments, ordinary technicians in this field can obtain modifications, equivalent substitutions or other improvements to the embodiments of the present invention or part of the technical features thereof through logical analysis, reasoning or limited experiments, which should be included in the protection scope of the present invention.

Claims

1. A pipeline waterproof structure, used to prevent water flowing along the outer wall of a pipeline (1) from flowing to a waterproof section (14) of the pipeline (1), characterized in that: In the pipeline (1) along the water flow direction (6), the pipeline (1) is provided with an anti-drip section (13) before the waterproof section (14), the anti-drip section (13) is provided with a lowest point (131) and an anti-drip point (132) arranged in sequence along the water flow direction (6), the lowest point (131) is lower than the anti-drip point (132), and the waterproof section (14) is not located directly below the lowest point (131).

2. A pipeline waterproof structure according to claim 1, characterized in that: The first wall (41) below the lowest point (131) is lower than the second wall (42) below the starting point of the waterproof section (14).

3. A pipeline waterproof structure according to claim 1, characterized in that: It also includes a blocking protrusion (5), wherein a first wall (41) below the lowest point (131) of the anti-drip section (13) is lower than the top surface of the blocking protrusion (5), and the blocking protrusion (5) is suitable for separating the first wall (41) and a second wall (42) below the starting point of the waterproof section (14).

4. A pipeline waterproof structure according to claim 1, characterized in that: The anti-flow section (13) extends in a horizontal direction and is inclined upward.

5. A pipeline waterproof structure according to claim 1, characterized in that: The anti-drip section (13) comprises a horizontal section (133) and a vertical section (134) connected to each other, wherein the horizontal section (133) has the lowest point (131), and the vertical section (134) extends upward and has the anti-drip point (132).

6. A pipeline waterproof structure according to claim 1, characterized in that: The anti-drip section (13) comprises a vertical section (134), the vertical section (134) extends upward and has the lowest point (131) and the anti-drip point (132).

7. A pipeline waterproof structure according to claim 1, characterized in that: The invention also comprises a first cavity (2) and a waterproof cavity (3); the pipeline (1) is provided with a first section (11); the first section (11) passes through the first cavity (2) and the waterproof cavity (3) in sequence; the waterproof cavity (3) is provided with a first through hole (31) suitable for allowing the first section (11) to pass through; the first through hole (31) is connected to the first cavity (2); the lowest point (131) of the first through hole (31) is higher than the bottom wall of the first cavity (2); the bottom wall of the first cavity (2) is suitable for receiving water overflowing from the joint (15) of the pipeline (1) or water entering from the opening of the first cavity (2).

8. A pipeline waterproof structure according to claim 7, characterized in that: The invention also comprises a second cavity (4), wherein the pipeline (1) passes through the first cavity (2), the waterproof cavity (3) and the second cavity (4) in sequence; the second cavity (4) is located below the first cavity (2); the waterproof cavity (3) is also provided with a second through hole (32) suitable for allowing the pipeline (1) to pass through; the second through hole (32) is connected to the second cavity (4); the waterproof section (14) and the anti-drip section (13) are located in the second cavity (4), and the waterproof section (14) is not located directly below the second through hole (32).

9. A pipeline waterproof structure according to claim 7, characterized in that: The first section (11) passes through the first via hole (31) in a horizontal direction, or passes through the first via hole (31) in a horizontal direction and in an upwardly inclined direction.

10. A pipeline waterproof structure according to claim 7, characterized in that: The first section (11) abuts against at least a portion of the hole wall of the first through hole (31).

11. A pipeline waterproof structure according to claim 9, characterized in that: The pipeline (1) further comprises a connecting section (12), the two ends of which are respectively connected to the first section (11) and the anti-drip section (13), and the first section (11), the anti-drip section (13) and the waterproof section (14) are located on the same side of the connecting section (12).

12. A pipeline waterproof structure according to claim 1, characterized in that: The pipeline (1) comprises a first section (11), a connecting section (12) and the anti-flow section (13) which are sequentially connected along the water flow direction (6); the connecting section (12) extends in a vertical direction, and the first section (11) and the anti-flow section (13) are located on the same side of the connecting section (12).

13. An energy storage converter, characterized in that: It comprises a pipeline waterproof structure as described in any one of claims 1-12.

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