Substation

By laying photovoltaic panels with vertical gaps on the top of the substation, combined with the external wind, the problem of hot air accumulation in the semi-indoor station type substation is solved, ventilation and heat dissipation efficiency is improved, and the normal operation of equipment and photovoltaic panels is ensured.

CN119542966AInactive Publication Date: 2025-02-28GUANGDONG POWER GRID CO LTD
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Patent Information

Application Number
CN202411711728.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-02-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In a semi-indoor station type substation, photovoltaic panels are laid at horizontal intervals on the top surface, which causes hot air to accumulate in the substation, and the ventilation and heat dissipation efficiency is low, affecting the power generation efficiency of electrical equipment and photovoltaic panels.

Method used

A substation is designed, wherein the station body is equipped with a housing chamber and a heat dissipation gap running through the chamber, and a plurality of first photovoltaic panels are laid on the top surface. At least one pair of adjacent first photovoltaic panels have gaps in a vertical direction, through which external wind can take away the hot air inside.

Benefits of technology

The gap between adjacent first photovoltaic panels is combined with external wind to extract the internal hot air outward, which significantly improves the ventilation and heat dissipation efficiency in the substation, ensuring the normal operation and power generation efficiency of electrical equipment and photovoltaic panels.

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Abstract

The invention relates to the technical field of transformer substation structures, in particular to a transformer substation which comprises a substation body, a heater and a plurality of first photovoltaic panels, a containing cavity is formed in the substation body, a heat dissipation notch penetrating to the containing cavity is formed in the top face of the substation body, and the heater is arranged in the containing cavity; the plurality of first photovoltaic panels are horizontally laid above the heat dissipation gap in the first direction, and a gap in the vertical direction is formed between at least one pair of adjacent first photovoltaic panels; in conclusion, according to the transformer substation, the gaps between the adjacent first photovoltaic panels in the vertical direction are matched with external wind to extract hot air in the transformer substation outwards, so that the ventilation and heat dissipation efficiency in the transformer substation is improved, normal operation of electrical equipment in the transformer substation can be guaranteed, and the service life of the transformer substation is prolonged. And the temperature rise of the photovoltaic panel can be inhibited, so that the normal power generation of the photovoltaic panel is ensured.
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Description

Technical Field

[0001] The invention relates to the technical field of transformer substation structures, in particular to a transformer substation. Background Art

[0002] At present, substations are important energy infrastructure. Some substations will be laid with photovoltaic panels on their top surfaces to increase additional energy supply and achieve energy conservation and environmental protection. Further, substations can be divided into fully indoor stations and semi-indoor stations. In the semi-indoor station, no roof is set above the main transformer to facilitate the main transformer to dissipate heat outward through the gap above it; in some semi-indoor stations, photovoltaic panels will be laid horizontally above the main transformer. The substation can use the space on the top of the substation for additional power generation, while its main transformer can also dissipate heat outward through the gaps between the photovoltaic panels. However, the heat dissipated by the main transformer rises upward, and when the photovoltaic panel is generating electricity, its back plate will dissipate heat downward. The two streams of hot air collide in the substation, and these hot air can only be discharged through the gaps between the photovoltaic panels, resulting in the accumulation of these hot air in the substation and below the photovoltaic panels, making the ventilation and heat dissipation efficiency in the substation low, which will not only have an adverse effect on the electrical equipment in the substation, but also cause the temperature of the photovoltaic panels to further increase, affecting the power generation efficiency of the photovoltaic panels. Summary of the invention

[0003] The object of the present invention is to provide a substation to solve the technical problem of low ventilation and heat dissipation efficiency in a semi-indoor substation with photovoltaic panels laid at horizontal intervals on the top surface.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a substation, including a station body, a heater and a plurality of first photovoltaic panels, the station body is provided with a accommodating chamber, the top surface of the station body is provided with a heat dissipation gap penetrating to the accommodating chamber, the heater is arranged in the accommodating chamber, and a plurality of the first photovoltaic panels are horizontally laid along a first direction above the heat dissipation gap, and at least one pair of adjacent first photovoltaic panels has a gap along the vertical direction.

[0005] Optionally, at least one group of the first photovoltaic panels is included, and the group of the first photovoltaic panels includes a plurality of the first photovoltaic panels, and the plurality of the first photovoltaic panels are arranged in sequence along a first direction, and the heights are increased in sequence, and there are gaps along the vertical direction between adjacent first photovoltaic panels.

[0006] Optionally, two groups of the first photovoltaic panels are included, and the two groups of the first photovoltaic panels are arranged opposite to each other along a first direction. In one group of the first photovoltaic panels, the first photovoltaic panel with the highest height is closest to the other group of the first photovoltaic panels compared to the other first photovoltaic panels.

[0007] Optionally, it further includes a second photovoltaic panel, which is arranged between two groups of the first photovoltaic panels, and the height of the second photovoltaic panel is not lower than the highest first photovoltaic panel.

[0008] Optionally, among adjacent first photovoltaic panels, the angle between the shortest line between the top surface of the lower first photovoltaic panel away from the edge of the higher first photovoltaic panel and the top surface of the higher first photovoltaic panel close to the edge of the lower first photovoltaic panel is 20° to 40° with the horizontal plane.

[0009] Optionally, the number of the first photovoltaic panels in a group is 3 to 5.

[0010] Optionally, it also includes a plurality of third photovoltaic panels, which are laid in sequence along the first direction on one side or both sides of the heat dissipation gap along the first direction, and the third photovoltaic panels are arranged at an angle. The third photovoltaic panels are used to guide the wind blowing towards themselves to the gap between adjacent first photovoltaic panels.

[0011] Optionally, an end of the third photovoltaic panel away from the heat dissipation gap is lower than an end of the third photovoltaic panel close to the heat dissipation gap, and each of the third photovoltaic panels is lower than any of the first photovoltaic panels.

[0012] Optionally, the inclination angle of the third photovoltaic panel is 20° to 40°.

[0013] Optionally, it also includes a bracket, which includes two side frames, the two side frames are arranged on the top surface of the station body and are located on both sides of the heat dissipation gap along the second direction, the two side frames are connected to the bottom surface of the first photovoltaic panel or the two side frames are respectively connected to the two ends of the first photovoltaic panel.

[0014] Compared with the prior art, the substation according to the embodiment of the present invention has the following beneficial effects:

[0015] In the substation of the present invention, a heater is provided in the accommodating chamber of the station body, and the heater can be any device that emits heat, such as a main transformer. The heat emitted by the heater heats the air in the accommodating chamber, and the heated air rises after being heated; further, the first photovoltaic panel is horizontally laid above the heat dissipation gap along the first direction to effectively utilize the space on the top of the station body for power generation, and further, at least one pair of adjacent first photovoltaic panels has a gap in the vertical direction, so that the hot air generated by the heater and the hot air generated by the back plate of the photovoltaic panel can be discharged through the gap, and the external wind can pass through the gap along the first direction to quickly take away the hot air in the gap, and then make the air pressure near the gap lower, thereby extracting the hot air in the accommodating chamber; in summary, the substation of the present invention can use the gap in the vertical direction between adjacent first photovoltaic panels to cooperate with the external wind to extract the hot air inside to the outside, thereby improving the ventilation and heat dissipation efficiency in the substation, which can not only ensure the normal operation of the electrical equipment in the substation, but also ensure that the temperature increase of the photovoltaic panel is suppressed, thereby ensuring the normal power generation of the photovoltaic panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a substation of the present invention in some embodiments where the second photovoltaic panel and the third photovoltaic panel are not provided.

[0017] Figure 2 Schematic diagram of the structure of the substation of the present invention in other embodiments.

[0018] Figure numerals: 1. station body; 11. accommodating chamber; 12. heat dissipation gap; 2. heater; 3. first photovoltaic panel; 4. second photovoltaic panel; 5. third photovoltaic panel; 6. bracket. DETAILED DESCRIPTION

[0019] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0022] like Figures 1 to 2 As shown, a substation of the present invention includes a station body 1, a heater 2 and a plurality of first photovoltaic panels 3, wherein a accommodating chamber 11 is provided in the station body 1, a heat dissipation gap 12 penetrating to the accommodating chamber 11 is provided on the top surface of the station body 1, the heater 2 is arranged in the accommodating chamber 11, a plurality of the first photovoltaic panels 3 are horizontally laid along a first direction above the heat dissipation gap 12, and at least one pair of adjacent first photovoltaic panels 3 has a gap along the vertical direction.

[0023] In the above technical scheme, in the substation of the present invention, a heater 2 is provided in the accommodation chamber 11 of the station body 1. The heater 2 can be any device that emits heat, such as a main transformer. The heat emitted by the heater 2 heats the air in the accommodation chamber 11, and the heated air rises after being heated. Furthermore, the first photovoltaic panel 3 is horizontally laid above the heat dissipation gap 12 along a first direction to effectively utilize the space on the top of the station body 1 for power generation. Furthermore, at least one pair of adjacent first photovoltaic panels 3 has a gap in the vertical direction, so that the hot air generated by the heater 2 and the back plate of the photovoltaic panel generate The hot air can be discharged through the gap, and the external wind can pass through the gap along the first direction to quickly take away the hot air in the gap, and then lower the air pressure near the gap, thereby extracting the hot air in the accommodating chamber 11; in summary, the substation of the present invention can use the gap along the vertical direction between adjacent first photovoltaic panels 3 to cooperate with the external wind to extract the hot air inside to the outside, thereby improving the ventilation and heat dissipation efficiency in the substation, which can not only ensure the normal operation of electrical equipment in the substation, but also ensure that the temperature increase of the photovoltaic panels is suppressed, thereby ensuring normal power generation of the photovoltaic panels.

[0024] Furthermore, it includes at least one group of the first photovoltaic panels 3, a group of the first photovoltaic panels 3 includes a plurality of the first photovoltaic panels 3, the plurality of the first photovoltaic panels 3 are arranged in sequence along the first direction, and the heights are increased in sequence, and there are gaps along the vertical direction between adjacent first photovoltaic panels 3, wherein ventilation and heat dissipation are performed through the gaps along the vertical direction between multiple pairs of adjacent first photovoltaic panels 3 to improve the ventilation and heat dissipation efficiency.

[0025] In some embodiments, only one group of the first photovoltaic panels 3 is included, and the height of each of the first photovoltaic panels 3 in the group of the first photovoltaic panels 3 increases successively along the first direction to form a single slope structure, wherein, assuming that the multiple first photovoltaic panels 3 of the single slope structure are arranged successively from left to right, the heights of these first photovoltaic panels 3 increase successively from left to right, and the wind blows from left to right. After simulation with simulation software and actual experiments, it can be known that the structure has a wind-inducing effect on the windward side, which can effectively increase the air flow rate under the photovoltaic panel and in the containing chamber 11, thereby increasing the ventilation and heat dissipation effect.

[0026] In some other embodiments, two groups of the first photovoltaic panels 3 are included, and the two groups of the first photovoltaic panels 3 are arranged relatively to each other along the first direction. In one group of the first photovoltaic panels 3, the first photovoltaic panel 3 with the highest height is closest to the other group of the first photovoltaic panels 3 compared with the other first photovoltaic panels 3, so that the two groups of the first photovoltaic panels 3 form a double-slope structure, and both sides of the double-slope structure can be used as windward surfaces. After simulation with simulation software and actual experiments, it can be known that when wind blows into the gap along the vertical direction between a pair of adjacent first photovoltaic panels 3, part of the wind passes through the gap along the vertical direction between another pair of adjacent first photovoltaic panels 3, and the other part of the wind is introduced into the accommodating chamber 11, so that the air swirls under the photovoltaic panel, which can significantly accelerate the air flow in the accommodating chamber 11, thereby greatly increasing the efficiency of ventilation and heat dissipation; preferably, the two groups of first photovoltaic panels 3 are symmetrically arranged.

[0027] Furthermore, it also includes a second photovoltaic panel 4, which is arranged between the two groups of the first photovoltaic panels 3, and the height of the second photovoltaic panel 4 is not lower than the first photovoltaic panel 3 with the highest height. If the number of first photovoltaic panels 3 in the two groups of first photovoltaic panels 3 is too large and the size of the gap between adjacent first photovoltaic panels 3 along the vertical direction is too large, the photovoltaic system will be too protruding, which will have an adverse impact on the building environment. If the size of the gap between adjacent first photovoltaic panels 3 along the vertical direction is too small, the effect of improving ventilation and heat dissipation is not significant. Therefore, when the area of ​​the heat dissipation gap 12 is too large, the two groups of first photovoltaic panels 3 can cover a limited area of ​​the heat dissipation gap 12 when they are reasonably arranged, and cannot completely cover the top of the heat dissipation gap 12. The second photovoltaic panel 4 is arranged between the two groups of first photovoltaic panels 3 to fill this part, and use this part of the space to generate electricity. It has the function of effectively using the space above the station body 1 to generate electricity.

[0028] Furthermore, among adjacent first photovoltaic panels 3, the angle between the shortest line between the top surface of the lower first photovoltaic panel 3 away from the edge line of the higher first photovoltaic panel 3 and the top surface of the higher first photovoltaic panel 3 close to the edge line of the lower first photovoltaic panel 3 is 20° to 40° with the horizontal plane, wherein, from simulations with simulation software and actual experiments, it can be known that the larger the angle is, the better the ventilation and heat dissipation effect in the accommodating chamber 11 is, but if the angle is too large, the increase in the ventilation and heat dissipation effect is limited, and it will also cause the photovoltaic system to be too protruding and have an adverse effect on the building environment.

[0029] Furthermore, the number of the first photovoltaic panels 3 in a group is 3 to 5, so that the photovoltaic system has considerable ventilation and heat dissipation functions while controlling the degree of upward protrusion of the photovoltaic system.

[0030] Furthermore, it also includes a plurality of third photovoltaic panels 5, and the plurality of third photovoltaic panels 5 are sequentially laid along the first direction on one side or both sides of the heat dissipation gap 12 along the first direction, and the third photovoltaic panels 5 are arranged at an angle, and the third photovoltaic panels 5 are used to guide the wind blowing to itself to the gap between the adjacent first photovoltaic panels 3. Specifically, the third photovoltaic panel 5 is generally arranged at a position on the station body 1 where no gap is provided, so as to utilize the space on the top surface of the station body 1 for generating electricity. When the wind blows to the third photovoltaic panel 5, the windward surface of the third photovoltaic panel 5 can guide the wind to between two adjacent first photovoltaic panels 3, so that more wind can participate in the ventilation and heat dissipation process of the accommodating chamber 11, thereby increasing the efficiency of ventilation and heat dissipation.

[0031] Furthermore, an end of the third photovoltaic panel 5 away from the heat dissipation gap 12 is lower than an end of the third photovoltaic panel 5 close to the heat dissipation gap 12, and each of the third photovoltaic panels 5 is lower than any of the first photovoltaic panels 3, so that the third photovoltaic panel 5 can direct wind into the gap between any pair of adjacent first photovoltaic panels 3.

[0032] Furthermore, the inclination angle of the third photovoltaic panel 5 is 20° to 40°, so as to have a better wind guiding effect while causing less impact on the power generation efficiency of the photovoltaic panel.

[0033] Furthermore, it also includes a bracket 6, which includes two side frames, and the two side frames are arranged on the top surface of the station body 1 and are located on both sides of the heat dissipation gap 12 along the second direction. The two side frames are connected to the bottom surface of the first photovoltaic panel 3 or the two side frames are respectively connected to the two ends of the first photovoltaic panel 3, so that the first photovoltaic panel 3 can be firmly set above the heat dissipation gap 12.

[0034] Furthermore, there is an angle between the first direction and the second direction.

[0035] Furthermore, the specific connection methods of fixed setting and fixed connection refer to the relative position relationship of two components that can be fixedly connected, including fixing by connecting parts, fixing by welding, fixing by adhesives, fixing by integral molding, and fixing by snap connections.

[0036] Furthermore, the connecting parts include fasteners, straps, ties, pneumatic connecting elements, hydraulic connecting elements, flange plates, Velcro, and buttons.

[0037] In summary, the embodiment of the present invention provides a substation, and its technical effects are as follows:

[0038] In the substation of the present invention, a heater 2 is provided in the accommodation chamber 11 of the station body 1. The heater 2 can be any device that emits heat, such as a main transformer. The heat emitted by the heater 2 heats the air in the accommodation chamber 11, and the heated air rises after being heated. Furthermore, a first photovoltaic panel 3 is horizontally laid above the heat dissipation gap 12 along a first direction to effectively utilize the space on the top of the station body 1 for power generation. Furthermore, at least one pair of adjacent first photovoltaic panels 3 has a gap in the vertical direction, so that the hot air generated by the heater 2 and the hot air generated by the back plate of the photovoltaic panel It can be discharged through the gap, and the external wind can pass through the gap in a first direction to quickly take away the hot air in the gap, and then lower the air pressure near the gap, thereby extracting the hot air in the accommodating chamber 11; in summary, the substation of the present invention can use the gap along the vertical direction between adjacent first photovoltaic panels 3 and the external wind to extract the hot air inside it to the outside, thereby improving the ventilation and heat dissipation efficiency in the substation, which can not only ensure the normal operation of electrical equipment in the substation, but also ensure that the temperature increase of the photovoltaic panels is suppressed, thereby ensuring normal power generation of the photovoltaic panels.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A substation, characterized in that: The invention comprises a station body (1), a heater (2) and a plurality of first photovoltaic panels (3); a storage chamber (11) is provided in the station body (1); a heat dissipation notch (12) penetrating the storage chamber (11) is provided on the top surface of the station body (1); the heater (2) is arranged in the storage chamber (11); a plurality of the first photovoltaic panels (3) are horizontally laid along a first direction above the heat dissipation notch (12); and at least one pair of adjacent first photovoltaic panels (3) has a gap along the vertical direction.

2. The substation according to claim 1, characterized in that: It comprises at least one group of the first photovoltaic panels (3), wherein the group of the first photovoltaic panels (3) comprises a plurality of the first photovoltaic panels (3), the plurality of the first photovoltaic panels (3) are arranged in sequence along a first direction, and their heights are increased in sequence, and there are gaps in the vertical direction between adjacent first photovoltaic panels (3).

3. The substation according to claim 2, characterized in that: The invention comprises two groups of the first photovoltaic panels (3), wherein the two groups of the first photovoltaic panels (3) are arranged opposite to each other along a first direction, and in one group of the first photovoltaic panels (3), the first photovoltaic panel (3) with the highest height is closest to the other group of the first photovoltaic panels (3) compared with the other first photovoltaic panels (3).

4. The substation according to claim 3, characterized in that: It also comprises a second photovoltaic panel (4), wherein the second photovoltaic panel (4) is arranged between two groups of the first photovoltaic panels (3), and the height of the second photovoltaic panel (4) is not lower than the first photovoltaic panel (3) with the highest height.

5. The substation according to claim 2, characterized in that: Among adjacent first photovoltaic panels (3), the angle between the shortest line between the top surface of the lower first photovoltaic panel (3) away from the edge line of the higher first photovoltaic panel (3) and the top surface of the higher first photovoltaic panel (3) close to the edge line of the lower first photovoltaic panel (3) is 20° to 40° with the horizontal plane.

6. The substation according to claim 2, characterized in that: The number of the first photovoltaic panels (3) in a group is 3 to 5.

7. The substation according to claim 1, characterized in that: It also comprises a plurality of third photovoltaic panels (5), wherein the plurality of third photovoltaic panels (5) are sequentially laid along the first direction on one side or both sides of the heat dissipation gap (12) along the first direction, and the third photovoltaic panels (5) are arranged at an angle, and the third photovoltaic panels (5) are used to guide the wind blowing towards themselves to the gap between adjacent first photovoltaic panels (3).

8. The substation according to claim 7, characterized in that: An end of the third photovoltaic panel (5) away from the heat dissipation gap (12) is lower than an end of the third photovoltaic panel (5) close to the heat dissipation gap (12), and each of the third photovoltaic panels (5) is lower than any of the first photovoltaic panels (3).

9. The substation according to claim 7, characterized in that: The inclination angle of the third photovoltaic panel (5) is 20° to 40°.

10. The substation according to claim 1, characterized in that: It also includes a bracket (6), the bracket (6) including two side frames, the two side frames are arranged on the top surface of the station body (1) and are located on both sides of the heat dissipation gap (12) along the second direction, the two side frames are connected to the bottom surface of the first photovoltaic panel (3) or the two side frames are respectively connected to the two ends of the first photovoltaic panel (3).

Citation Information

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