Ventilation structure of photovoltaic box-type substation

By designing multi-directional heat dissipation channels and protective structures in the box substation, the problem of poor ventilation and heat dissipation is solved, and the effect of efficient heat dissipation and waterproofing is achieved, ensuring the stable operation and safety of electrical components.

CN223230748UActive Publication Date: 2025-08-15JIAXING ZHENGHUI ELECTRIC POWER EQUIP
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Patent Information

Application Number
CN202422347957.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-08-15
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

The ventilation structure of the existing photovoltaic box substation is difficult to effectively dissipate heat, and the exhaust fan is easy to damage and consumes a lot of power, which affects the normal operation of electrical components and the safety of electricity use.

Method used

A box-type substation ventilation structure is designed, including bottom ventilation holes, ventilation front door panels, ventilation rear door panels, top ventilation panels and top heat dissipation space. Combined with protective nets and protective covers, a multi-directional heat dissipation channel is formed to improve ventilation effect, and take into account waterproof and rainproof functions.

Benefits of technology

It improves the ventilation and heat dissipation effect of the box substation, ensures the normal operation of electrical components, reduces equipment damage and power consumption, and enhances electricity safety and waterproof and rainproof performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a ventilation structure of a photovoltaic box-type substation, the box-type substation comprises a box body, the box body comprises a top cover, a base, a front box plate and a rear box plate, a front partition plate is arranged in the box body, an equipment part is formed between the front partition plate and the rear box plate, the equipment part is divided into a plurality of equipment chambers by a plurality of partition plates, a plurality of inner door plates are arranged on the front partition plate, and a plurality of outer door plates are arranged on the rear box plate. The upper end of the base is covered with a bottom plate, and the ventilation structure comprises a plurality of bottom ventilation holes located in the bottom plate, a ventilation front door plate located on the front box plate, a ventilation rear door plate located on the rear box plate and a top ventilation plate located on the top cover. According to the ventilation structure of the photovoltaic box-type transformer substation, the ventilation structure of the existing box-type transformer substation is improved, the ventilation and heat dissipation effects in the box body of the box-type transformer substation are improved, and the waterproof and rainproof requirements of the box body and the requirement of electricity utilization safety are considered at the same time.
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Description

Technical Field

[0001] The utility model belongs to the technical field of box-type substations, and in particular relates to a ventilation structure of a box-type substation for photovoltaic use. Background Art

[0002] A prefabricated substation, also known as a prefabricated substation or prefabricated substation, is a factory-fabricated, compact indoor or outdoor distribution system that integrates high-voltage switchgear, distribution transformers, and low-voltage distribution equipment according to a specific wiring scheme. These devices organically combine the transformer's voltage step-down function with low-voltage distribution, housed in a fully enclosed, portable steel structure that is moisture-proof, rust-proof, dust-proof, rodent-proof, fire-proof, theft-proof, and heat-insulated. They are particularly suitable for urban power grid construction and renovation, representing a new type of substation that has emerged after civil substations. Photovoltaic prefabricated substations are commonly located in regions with low rainfall and hot climates. The electrical components within prefabricated substations generate significant heat during operation. If this heat is not dissipated promptly, it can affect their normal operation. Existing prefabricated substations typically use a large number of exhaust fans to dissipate heat within the enclosure, which can achieve a certain degree of heat dissipation and maintain the normal and stable operation of the components within. However, exhaust fans are prone to damage over time and consume significant amounts of electricity for long-term operation, requiring regular maintenance. Therefore, it is necessary to improve the existing box-type substation and improve its ventilation structure in the field of photovoltaic applications. Summary of the Invention

[0003] In order to solve the above technical problems, the technical solution adopted by the present invention is: a ventilation structure of a photovoltaic box-type substation, the box-type substation includes a box body, the box body includes a top cover, a base, a front box plate, and a rear box plate. A front partition is provided in the box body, an operating room is formed between the front partition and the front box plate, an equipment part is formed between the front partition and the rear box plate, the equipment part is divided into a plurality of equipment rooms by a plurality of partition plates, a plurality of inner door panels respectively connected to the equipment rooms are installed on the front partition, the upper end cover of the base is provided with a bottom plate, the ventilation structure includes a plurality of bottom ventilation holes located on the bottom plate, a ventilation front door panel located on the front box plate, a ventilation rear door panel located on the rear box plate and a ventilation hole located on the top A top ventilation plate on the cover, the bottom ventilation holes correspond to the equipment rooms and are respectively connected to the corresponding equipment rooms, one side of the ventilation front door panel is hinged to the front box panel, and the other side is connected to the front box panel through a door lock, and a number of front ventilation holes are provided on the ventilation front door panel, the ventilation rear door panel and the equipment room correspond one to one, one side of the ventilation rear door panel is hinged to the rear box panel, and the other side is connected to the rear box panel through a door lock, and a number of rear ventilation holes are provided on the ventilation rear door panel, and a number of top ventilation holes are provided on the top ventilation plate, and a top heat dissipation space is formed between the top ventilation plate and the top cover, and a number of heat dissipation ports formed by downward openings are provided around the top cover, and the top heat dissipation space is connected to the outside of the box through the heat dissipation ports.

[0004] As a preferred embodiment of the above technical solution, the ventilation rear door panel is composed of two mesh plates arranged in parallel and fixedly connected, and the rear ventilation holes are distributed on the mesh plates.

[0005] As a preferred embodiment of the above technical solution, a protective net is fixedly provided in the equipment room, and the protective net is close to the ventilation rear door panel.

[0006] As a preferred embodiment of the above technical solution, the inner door panel is hinged on the front partition and connected to the front partition through a door lock, and the width of the inner door panel is smaller than the distance between the front partition and the front box panel.

[0007] As a preferred embodiment of the above technical solution, the front ventilation holes and the rear ventilation holes are respectively covered with outer protective covers, the outer protective covers are integrally connected to the ventilation front door panel or the ventilation rear door panel, the outer protective cover has a waterproof ventilation port opening facing downward, the heat dissipation port is covered with an inner protective cover, the inner protective cover is located inside the top cover, and the inner protective cover has a waterproof connecting port opening horizontally arranged.

[0008] The beneficial effects of the present invention are as follows: the ventilation structure of the photovoltaic box-type substation of the present invention improves the ventilation structure of the existing box-type substation, improves the ventilation and heat dissipation effect inside the box-type substation box, and takes into account the waterproof and rainproof needs of the box body and the needs of electricity safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a partial structural diagram of the utility model;

[0010] Figure 2 It is a schematic diagram of the cross-sectional structure of the present utility model. DETAILED DESCRIPTION

[0011] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0012] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0013] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0014] like Figure 1-2 As shown, the ventilation structure of the photovoltaic box-type substation, the box-type substation includes a box body 1, the box body 1 includes a top cover 2, a base 3, a front box plate 4, and a rear box plate 5. A front partition 6 is provided in the box body 1, an operating room 7 is formed between the front partition 6 and the front box plate 4, an equipment part is formed between the front partition 6 and the rear box plate 5, and the equipment part is divided into a plurality of equipment rooms 8 by a plurality of partition plates, and a plurality of inner door panels 9 respectively connected to the equipment rooms 8 are installed on the front partition 6. The upper end of the base 3 is covered with a bottom plate 10, and the ventilation structure includes a plurality of bottom ventilation holes 11 on the bottom plate 10, a ventilation front door panel 12 on the front box plate 4, a ventilation rear door panel 13 on the rear box plate 5 and a top ventilation plate 14 on the top cover 2. The air holes 11 correspond to and communicate with the corresponding equipment compartments 8. The front ventilation door panel 12 is hinged on one side to the front box panel 4 and connected to the front box panel 4 via a door lock on the other side. The front ventilation door panel 12 is provided with a plurality of front ventilation holes 15. The rear ventilation door panel 13 corresponds to each equipment compartment 8. One side of the rear ventilation door panel 13 is hinged on the rear box panel 5 and connected to the rear box panel 5 via a door lock on the other side. The rear ventilation door panel 13 is provided with a plurality of rear ventilation holes 16. The top ventilation panel 14 is provided with a plurality of top ventilation holes 17. A top heat dissipation space 18 is formed between the top ventilation panel 14 and the top cover 2. The top cover 2 is surrounded by a plurality of downwardly opening heat dissipation vents 19, which connect the top heat dissipation space 18 to the exterior of the box body 1 via the heat dissipation vents 19. Heat dissipation in the equipment compartment 8 is dissipated in different directions through the bottom ventilation holes 11, the rear ventilation holes 16 on the rear ventilation door panel 13, the top ventilation holes 17 on the top ventilation panel 14, and the heat dissipation vents 19, thereby greatly improving the ventilation and heat dissipation within the equipment compartment 8. Different equipment rooms 8 are used to form functional areas with different functions such as high voltage and low voltage. A transparent observation port can be set on the inner door panel 9. The operation room 7 improves the safety of maintenance personnel when they are powering off to maintain the box-type substation.

[0015] Furthermore, the ventilated rear door panel 13 is composed of two parallel and fixedly connected mesh panels 30, and the rear ventilation holes 16 are distributed on the mesh panels 30. The ventilated rear door panel 13 composed of two parallel and fixedly connected mesh panels 30 improves the ventilation performance of the ventilated rear door panel 13.

[0016] Furthermore, a protective net 20 is fixedly provided in the equipment room 8, and the protective net 20 is close to the ventilation rear door panel 13. The protective net 20 is detachably installed in the equipment room 8. When the ventilation rear door panel 13 needs to be opened under special circumstances, the protective net 20 plays a protective role.

[0017] Furthermore, the inner door panel 9 is hinged on the front partition 6 and connected to the front partition 6 via a door lock. The width of the inner door panel 9 is smaller than the distance between the front partition 6 and the front box panel 4. After opening, the inner door panel 9 can be rotated freely in the operating room 7. The inner door panel 9 can be opened to a sufficient angle to facilitate the movement of maintenance personnel in the operating room 7.

[0018] Furthermore, the front and rear vents 15 and 16 are each covered with an outer protective cover 21, which is integrally connected to the ventilation front door panel 12 or the ventilation rear door panel 13. The outer protective cover 21 has a downward-facing waterproof vent 22. The heat dissipation vent 19 is covered with an inner protective cover 23, which is located inside the top cover 2 and has a horizontally disposed waterproof communication port 24. The outer protective cover 21 prevents rainwater from entering the interior of the box body 1. The outer protective cover 21 is integrally stamped and formed with the ventilation front door panel 12 or the ventilation rear door panel 13.

[0019] It is worth mentioning that the other structural and other technical features of the box-type substation involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional means in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.

[0020] The above describes in detail the preferred specific embodiments of the present invention. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solutions that can be obtained by technicians in this technical field through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of existing technologies should be within the scope of protection determined by the claims.

Claims

1. A ventilation structure of a photovoltaic box-type substation, wherein the box-type substation comprises a box body, characterized in that: The box body includes a top cover, a base, a front box plate, and a rear box plate. A front partition is provided in the box body, an operating room is formed between the front partition and the front box plate, an equipment part is formed between the front partition and the rear box plate, and the equipment part is divided into several equipment rooms by several partition plates. Several inner door plates respectively connected to the equipment rooms are installed on the front partition. The upper end cover of the base is provided with a bottom plate. The ventilation structure includes several bottom ventilation holes located on the bottom plate, a ventilation front door plate located on the front box plate, a ventilation rear door plate located on the rear box plate and a top ventilation plate located on the top cover. The bottom ventilation holes correspond to the equipment rooms and are divided into The ventilation front door panel is hinged to the front box panel, and the other side is connected to the front box panel through a door lock. A number of front ventilation holes are provided on the ventilation front door panel. The ventilation rear door panel corresponds to the equipment room one by one. One side of the ventilation rear door panel is hinged to the rear box panel, and the other side is connected to the rear box panel through a door lock. A number of rear ventilation holes are provided on the ventilation rear door panel. A number of top ventilation holes are provided on the top ventilation panel. A top heat dissipation space is formed between the top ventilation panel and the top cover. A number of heat dissipation ports formed by downward openings are provided around the top cover. The top heat dissipation space is connected to the outside of the box through the heat dissipation ports.

2. The ventilation structure of the photovoltaic box-type substation according to claim 1, characterized in that: The ventilation rear door plate is composed of two mesh plates arranged in parallel and fixedly connected, and the rear ventilation holes are distributed on the mesh plates.

3. The ventilation structure of the photovoltaic box-type substation according to claim 2, characterized in that: A protective net is fixedly provided in the equipment room and is close to the ventilation rear door panel.

4. The ventilation structure of the photovoltaic box-type substation according to claim 1, characterized in that: The inner door panel is hinged on the front partition and connected to the front partition via a door lock. The width of the inner door panel is smaller than the distance between the front partition and the front box panel.

5. The ventilation structure of a photovoltaic box-type substation according to any one of claims 1 to 4, characterized in that: The front ventilation holes and the rear ventilation holes are respectively covered with outer protective covers, which are integrally connected to the ventilation front door panel or the ventilation rear door panel, and have waterproof ventilation holes with downward openings. The heat dissipation holes are covered with inner protective covers, which are located inside the top cover and have a waterproof connecting port with a horizontal opening.