Drainage device for transformer station area

By setting up drainage devices for filtering tanks, limiting tanks and drainage tanks on the side walls of the cable trench in the substation, the problem of low drainage efficiency of the substation is solved, and efficient rainwater discharge and reduction of operation and maintenance impacts are achieved.

CN222595076UActive Publication Date: 2025-03-11POWER CHINA KUNMING ENG CORP LTD
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Patent Information

Application Number
CN202420683073.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-03-11
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

The existing substation drainage methods are not efficient, resulting in water accumulation in the field and affecting operation and maintenance.

Method used

A drainage device including a filter tank, a limit tank and a drain tank is designed, and is installed on the side wall of the cable trench in the substation, and is designed using water holes and slope search to achieve efficient rainwater discharge.

Benefits of technology

Through this device, the rainwater in the substation factory can be effectively discharged out of the site in a timely manner, reducing the impact of rainfall on the operation and maintenance of the substation and improving drainage efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222595076U_ABST
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Abstract

The utility model discloses a transformer substation field drainage device, relates to transformer substation drainage, and particularly relates to a transformer substation field drainage device which can effectively drain rainwater in a transformer substation plant out of the field in time and reduce the influence of rainfall on operation and maintenance of a transformer substation. The transformer substation field area drainage device is characterized in that the drainage device is arranged on the side wall of a cable trench in a transformer substation and located between the outer side wall of the cable trench and a broken stone area; the drainage device comprises a water filtering groove, a limiting groove and a drainage groove, the water filtering groove is formed in the gravel area, the limiting groove is formed in the side wall of the cable trench, and the drainage groove is formed between the water filtering groove and the limiting groove; the device is simple, water drainage is efficient and convenient, installation is convenient, rainwater in a substation plant area is effectively drained out of the substation plant area in time through the water drainage mechanism, and the influence of rainfall on substation operation and maintenance is reduced.
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Description

Technical Field

[0001] The present invention relates to substation drainage, and in particular to a substation drainage device which can effectively discharge rainwater in a substation plant area out of the plant area in a timely manner and reduce the impact of rainfall on substation operation and maintenance. Background Art

[0002] At present, due to the limited usable range of substations, substation drainage often uses pipe drainage. Although this method is simple and economical, the drainage efficiency is not high and it is very easy to cause water accumulation in the gravel area of ​​the substation site, thus affecting the normal operation and maintenance of the substation. Summary of the invention

[0003] The utility model aims to solve the problem of water accumulation in the existing cable trench and provides a substation drainage device which can effectively discharge rainwater in the substation plant area to the outside in time and reduce the impact of rainfall on the operation and maintenance of the substation.

[0004] The utility model is a substation drainage device, which is characterized in that the drainage device is arranged on the side wall of the cable trench in the substation, between the outer wall of the cable trench and the gravel area; the drainage device comprises a water filter trough, a limit groove and a drainage trough, the water filter trough is arranged at the gravel area, the limit groove is arranged at the side wall of the cable trench, and the drainage trough is arranged between the water filter trough and the limit groove; wherein:

[0005] The drainage trough includes an outer plate, an inner plate and a bottom plate. The bottom plate is arranged horizontally, the outer plate is arranged on the side of the drainage trough close to the gravel area, and the inner plate is arranged on the side of the drainage trough close to the cable trench. The outer plate and the inner plate are arranged vertically and vertically connected to the bottom plate.

[0006] The water filter trough includes a gravel positioning plate and a water filter baffle. The gravel positioning plate is horizontally placed at the bottom of the gravel area, and the water filter baffle is vertically fixed on the top of the outer plate of the drainage trough. The gravel positioning plate is vertically connected to the water filter baffle.

[0007] The limiting groove includes a cable positioning plate and a connecting piece. The cable positioning plate is arranged on the upper edge of the inner wall of the cable trench. The connecting piece is laid on the top of the cable trench. One side of the connecting piece is fixedly connected to the upper edge of the inner plate, and the other side is fixedly connected to the upper edge of the cable positioning plate.

[0008] The water filter baffle is arranged with water holes, the diameter of the water holes is not greater than 15mm, and the spacing between adjacent water holes is not greater than 25mm.

[0009] A cover plate is also provided on the top of the cable trench, and the cover plate covers the connectors on the top of both sides of the cable trench.

[0010] The drainage device body is an integrated plastic or stainless steel structure, each section of the drainage device is 100cm-200cm long, and several sections of the drainage device are connected for use.

[0011] The width of the gravel positioning plate is not less than 30cm, the height of the water filter baffle is not more than 20cm; the height of the cable positioning plate is not less than 20cm; the height of the outer plate is not less than 30cm, the height of the inner plate is not less than 45cm, and the width of the bottom plate is not less than 30cm.

[0012] The drainage device arranged at the tail end of the cable trench is also vertically provided with an end baffle, and the end baffle is provided with a drainage outlet, which is connected to a drainage pipe to discharge the collected rainwater out of the field.

[0013] The diameter of the drain outlet is not less than 25 cm, and the diameter of the drain pipe is not less than 25 cm.

[0014] The drainage device is sloped along with the cable trench body, and the slope drop along the drainage direction is not less than 5‰.

[0015] The utility model has the following advantages: simple device, efficient and convenient drainage, easy installation. The device can effectively discharge rainwater in the substation plant area out of the site in time by setting a drainage mechanism, thereby reducing the impact of rainfall on the operation and maintenance of the substation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional schematic diagram of the utility model.

[0017] Figure 2 It is a cross-sectional schematic diagram of the drainage device.

[0018] Figure 3 It is a three-dimensional diagram of the utility model.

[0019] Figure 4 This is a schematic diagram of the end drainage device.

[0020] In the figure: drainage device 1, cable trench 2, cover plate 3, gravel area 4, drainage pipe 5, water filter trough 6, limit groove 7, drainage trough 8, gravel positioning plate 101, water filter baffle 102, water hole 103, outer plate 104, inner plate 105, bottom plate 106, cable positioning plate 107, connector 108, end baffle 109, drainage outlet 110. DETAILED DESCRIPTION

[0021] Embodiment 1: A substation drainage device is arranged on the side wall of a cable trench in the substation, between the outer side wall of the cable trench and the gravel area; the drainage device comprises a water filter trough, a limit trough and a drainage trough, the water filter trough is arranged at the gravel area, the limit trough is arranged at the side wall of the cable trench, and the drainage trough is arranged between the water filter trough and the limit trough; wherein:

[0022] The drainage trough includes an outer plate, an inner plate and a bottom plate. The bottom plate is arranged horizontally, the outer plate is arranged on the side of the drainage trough close to the gravel area, and the inner plate is arranged on the side of the drainage trough close to the cable trench. The outer plate and the inner plate are arranged vertically and vertically connected to the bottom plate.

[0023] The water filter trough includes a gravel positioning plate and a water filter baffle. The gravel positioning plate is horizontally placed at the bottom of the gravel area, and the water filter baffle is vertically fixed on the top of the outer plate of the drainage trough. The gravel positioning plate is vertically connected to the water filter baffle.

[0024] The limiting groove includes a cable positioning plate and a connecting piece. The cable positioning plate is arranged on the upper edge of the inner wall of the cable trench. The connecting piece is laid on the top of the cable trench. One side of the connecting piece is fixedly connected to the upper edge of the inner plate, and the other side is fixedly connected to the upper edge of the cable positioning plate.

[0025] The water filter baffle is arranged with water holes, the diameter of the water holes is 10mm, and the spacing between adjacent water holes is 20mm. A cover plate is also set at the top of the cable trench, which covers the connectors on the top of both sides of the cable trench. The drainage device body is an integrated plastic or stainless steel structure. The length of each section of the drainage device is preferably 150cm. According to the length of the cable trench, several sections of drainage devices are used in connection. The width of the gravel positioning plate is about 40cm, the height of the water filter baffle is 15cm; the height of the cable positioning plate is 30cm; the height of the outer plate is 40cm, the height of the inner plate is 55cm, and the width of the bottom plate is 40cm. The drainage device set at the end of the cable trench is also vertically set with an end baffle, and a drainage port is set on the end baffle. The drainage port is connected to the drainage pipe to discharge the collected rainwater out of the field. The diameter of the drainage port is 30cm, and the diameter of the drainage pipe is the same as that of the drainage port. The drainage device is sloped with the cable trench body, and the slope drop along the drainage direction is not less than 5‰.

[0026] During the construction and operation and maintenance process, the finished drainage device can be used directly after installation and fixation. Stainless steel or plastic is used as the material of the drainage mechanism, which has low cost and convenient installation.

Claims

1. A substation drainage device, characterized in that The drainage device is located on the side wall of the cable trench in the substation, between the outer wall of the cable trench and the gravel area; the drainage device includes a water filter trough, a limit trough and a drainage trough, the water filter trough is arranged at the gravel area, the limit trough is arranged at the side wall of the cable trench, and the drainage trough is arranged between the water filter trough and the limit trough; wherein: The drainage trough includes an outer plate, an inner plate and a bottom plate. The bottom plate is arranged horizontally, the outer plate is arranged on the side of the drainage trough close to the gravel area, and the inner plate is arranged on the side of the drainage trough close to the cable trench. The outer plate and the inner plate are arranged vertically and vertically connected to the bottom plate. The water filter trough includes a gravel positioning plate and a water filter baffle. The gravel positioning plate is horizontally placed at the bottom of the gravel area, and the water filter baffle is vertically fixed on the top of the outer plate of the drainage trough. The gravel positioning plate is vertically connected to the water filter baffle. The limiting groove includes a cable positioning plate and a connecting piece. The cable positioning plate is arranged on the upper edge of the inner wall of the cable trench. The connecting piece is laid on the top of the cable trench. One side of the connecting piece is fixedly connected to the upper edge of the inner plate, and the other side is fixedly connected to the upper edge of the cable positioning plate.

2. The substation drainage device according to claim 1, characterized in that The water filter baffle is arranged with water holes, the diameter of the water holes is not greater than 15mm, and the spacing between adjacent water holes is not greater than 25mm.

3. The substation drainage device according to claim 1, characterized in that A cover plate is also provided on the top of the cable trench, and the cover plate covers the connectors on the top of both sides of the cable trench.

4. The substation drainage device according to claim 1, characterized in that The drainage device body is an integrated plastic or stainless steel structure, each section of the drainage device is 100cm-200cm long, and several sections of the drainage device are connected for use.

5. The substation drainage device according to claim 1, characterized in that The drainage device arranged at the tail end of the cable trench is also vertically provided with an end baffle, and the end baffle is provided with a drainage outlet, which is connected to a drainage pipe to discharge the collected rainwater out of the field.