Photovoltaic grid-connected power generation boost intelligent box-type substation

Abstract

The utility model relates to the technical field of box-type substations, in particular to a photovoltaic grid-connected power generation boosting intelligent box-type substation, which can quickly remove heat generated by power electronic equipment and ensure that the equipment runs at a proper temperature, thereby improving the overall working efficiency and prolonging the service life. Comprising a box body, a mounting cavity is formed in the box body, a plurality of groups of exhaust ports are formed in the box body in a communicating manner, an air inlet is formed in the box body in a communicating manner, and a mounting reference rod is fixedly mounted on the air inlet; the cooling box is arranged on the mounting reference rod, and the cooling box is used for cooling air entering the box body; and the fan is arranged on the cooling box, fan blades are arranged on the fan, and the fan blades are used for driving air to penetrate through the cooling box and enter the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of box-type transformer substations, in particular to a photovoltaic grid-connected power generation and voltage-boosting intelligent box-type transformer substation. Background Art

[0002] In the context of the current global energy structure transformation, the development and utilization of solar energy as a clean and renewable energy source has received increasing attention. As one of the key technologies for achieving the effective conversion of solar energy into electrical energy, photovoltaic grid-connected power generation systems are gradually becoming an important part of distributed power sources and smart grids. However, with the continuous expansion of the scale of photovoltaic power stations and the improvement of their integration, how to operate the grid-connected power generation system efficiently and stably has become an urgent problem to be solved.

[0003] In traditional photovoltaic grid-connected power generation systems, power electronic equipment such as inverters and transformers generate a lot of heat during operation. If these heat loads cannot be effectively managed, they will not only reduce the working efficiency of the equipment, but may also accelerate component aging, shorten equipment life, and even cause system failure. Therefore, efficient heat dissipation system design is crucial to ensure the long-term stable operation of photovoltaic substations. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a photovoltaic grid-connected power generation boosting intelligent box-type substation that can quickly remove the heat generated by power electronic equipment and ensure that the equipment operates at an appropriate temperature, thereby improving the overall working efficiency and extending the service life.

[0005] The utility model of photovoltaic grid-connected power generation boost intelligent box-type substation comprises a box body, a mounting cavity is arranged inside the box body, a plurality of exhaust ports are connected to the box body, an air inlet is connected to the box body, and a mounting reference rod is fixedly installed on the air inlet;

[0006] A cooling box, the cooling box is arranged on the mounting reference rod, and the cooling box is used to cool the air entering the box body;

[0007] The fan is arranged on the cooling box and is provided with fan blades for driving air to pass through the cooling box and enter the box body.

[0008] In the photovoltaic grid-connected power generation and voltage-boosting intelligent box-type transformer substation of the utility model, a liquid replenishing port is connected and arranged on the cooling box, and a sealing cover is installed on the liquid replenishing port.

[0009] In the photovoltaic grid-connected power generation and voltage-boosting intelligent box-type transformer substation of the utility model, a waste discharge hole is connected and arranged on the cooling box, and a sealing plug is installed on the sealing cover of the waste discharge hole.

[0010] The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation of the utility model also includes a protective cover shell, which is fixedly mounted on the outer side wall of the box body, and is provided with air-permeable mesh holes, and the protective cover shell is arranged on the outside of the cooling box and the fan.

[0011] The utility model discloses a photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation, wherein a base is fixedly mounted on the bottom end of the box body, and a base support plate is fixedly mounted on the bottom end of the base.

[0012] The utility model relates to a photovoltaic grid-connected power generation and voltage-boosting intelligent box-type transformer substation, wherein a plurality of groups of drainage holes are connected and arranged on the base.

[0013] The utility model discloses a photovoltaic grid-connected power generation and voltage-boosting intelligent box-type transformer substation, wherein a lighting lamp is arranged inside the box body.

[0014] The utility model discloses a photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation, wherein the top cover of the box body is provided with a top cover, and the top cover is an inverted V-shaped structure.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] By integrating the cooling box and the fan, the air entering the box can be actively forced to cool, thereby improving the heat exchange efficiency; the fin design on the cooling box increases the surface area, further enhancing the heat transfer capacity, and helping to quickly remove the heat generated by the power electronic equipment, ensuring that the equipment operates at a suitable temperature, thereby improving the overall working efficiency and extending the service life; the installation cavity design inside the box allows a high degree of integration of various electrical equipment, reducing the footprint, facilitating the deployment of large-scale photovoltaic grid-connected power generation systems in a limited space, adapting to the needs of distributed power sources and smart grids, and improving the overall system integration; the installation of the reference rod and the connecting angle steel make the cooling box easy to install and disassemble, convenient for daily maintenance and troubleshooting, and reducing maintenance costs and downtime; the setting of the mesh cover protects the fan blades from damage by foreign objects, improving the reliability and safety of the system; the intelligent box-type substation can better adapt to outdoor installation environments under different climatic conditions, whether it is high temperature, dusty or humid areas, it can ensure the stable operation of the equipment and expand the application scope of photovoltaic grid-connected power generation systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 1. It is a schematic diagram of the installation structure of the protective cover;

[0020] Figure 3It is a schematic diagram of the cooling box and fan installation structure;

[0021] Figure 4 It is a cross-sectional structural schematic diagram of the utility model;

[0022] Markings in the attached figure: 1. Box body; 2. Air inlet; 3. Installation reference rod; 4. Cooling box; 5. Connection angle steel; 6. Circulation interface; 7. Fan support; 8. Mesh cover; 9. Fan; 10. Exhaust port; 11. Fluid filling port; 12. Sealing cover; 13. Sealing plug; 14. Protective cover; 15. Base; 16. Base support plate; 17. Drainage hole; 18. Lighting lamp; 19. Top cover. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the specific implementation of the present invention 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.

[0024] like Figures 1 to 4 As shown, the photovoltaic grid-connected power generation boosting intelligent box-type substation of the utility model comprises a box body 1, a mounting cavity is arranged inside the box body 1, and a plurality of exhaust ports 10 are connected and arranged on the box body 1; an air inlet 2 is connected and arranged on the box body 1, and a mounting reference rod 3 is fixedly installed on the air inlet 2;

[0025] A cooling box 4, the cooling box 4 is arranged on the mounting reference rod 3, the cooling box 4 is used to cool the air entering the box body 1; two groups of connecting angle steels 5 are symmetrically fixedly installed on the cooling box 4, the cooling box 4 is fixedly installed on the mounting reference rod 3 through the two groups of connecting angle steels 5, fins are arranged on the cooling box 4, and two groups of circulation interfaces 6 are connected to the cooling box 4, and the circulation interface 6 is connected to an external circulation pump;

[0026] The fan 9 is arranged on the cooling box 4, and the fan 9 is provided with a fan blade for driving the air to pass through the cooling box 4 and enter the box body 1; the fan 9 is installed with a mesh cover 8, and the fan support 7 is fixedly installed on the mesh cover 8, and the fan support 7 is fixedly installed on the cooling box 4; by integrating the cooling box 4 and the fan 9, the air entering the box body can be actively forced to cool, thereby improving the heat exchange efficiency; the fin design on the cooling box increases the surface area, further enhances the heat transfer capacity, helps to quickly remove the heat generated by the power electronic equipment, ensures that the equipment runs at a suitable temperature, thereby improving the overall working efficiency and extending the service life; the installation cavity design inside the box body 1 allows high Various electrical equipment are integrated to a certain extent, which reduces the floor space and facilitates the deployment of large-scale photovoltaic grid-connected power generation systems in a limited space, adapts to the needs of distributed power sources and smart grids, and improves the overall system integration. The installation of the reference rod 3 and the connecting angle steel 5 makes the cooling box 4 easy to install and disassemble, which is convenient for daily maintenance and troubleshooting, and reduces maintenance costs and downtime. The setting of the mesh cover 8 protects the fan blades from damage by foreign objects, and improves the reliability and safety of the system. The intelligent box-type substation can better adapt to the outdoor installation environment under different climatic conditions, whether it is high temperature, dusty or humid areas, it can ensure the stable operation of the equipment and expand the application scope of the photovoltaic grid-connected power generation system.

[0027] As a preferred embodiment of the above-mentioned embodiment, a fluid replenishment port 11 is connected to the cooling box 4, and a sealing cover 12 is installed on the fluid replenishment port 11; by setting the fluid replenishment port 11, the cooling medium can be conveniently checked and replenished to avoid a decrease in heat dissipation efficiency due to insufficient cooling medium; through the design of the sealing cover 12, the coolant can be checked or replaced without interfering with the normal operation of the cooling box 4, thereby improving the maintainability and flexibility of the cooling box 4; the sealing cover 12 ensures the sealing of the cooling box 4 in a non-maintenance state, prevents dust, moisture or other contaminants from entering, thereby reducing the risk of failure of the cooling box 4 and improving the overall reliability and service life; in addition to preventing the invasion of external contaminants, the sealing cover 12 plays a certain safety protection role. The good sealing performance ensures that even in the event of an abnormal or emergency situation in the cooling box 4, the coolant will not overflow at will, thereby improving the safety level of the site.

[0028] As a preferred embodiment of the above embodiment, the cooling box 4 is connected to be provided with a waste discharge hole, and the sealing cover on the waste discharge hole is provided with a sealing plug 13; by providing the waste discharge hole, when it is necessary to clean the impurities, sediments or waste coolant accumulated inside the cooling box 4, there is no need to disassemble the entire cooling box 4, which greatly simplifies the maintenance process, reduces maintenance costs and downtime, and improves the maintainability of the system; by regularly discharging waste liquid or impurities in the cooling box 4, it is possible to effectively prevent dirt from clogging the cooling channel, maintain the cooling efficiency, avoid overheating of the equipment due to poor heat dissipation, and improve the stability and efficiency of the entire photovoltaic grid-connected power generation system; the setting of the sealing cover 13 ensures that the waste discharge hole is in a sealed state during non-waste discharge operation, thereby preventing coolant from leaking or odor from being emitted to the external environment, meeting environmental protection requirements, and protecting the surrounding environment from pollution.

[0029] As a preferred embodiment of the above embodiment, it also includes a protective cover shell 14, which is fixedly installed on the outer wall of the box body 1, and is provided with a breathable mesh. The protective cover shell 14 is covered on the outside of the cooling box 4 and the fan 9; by providing the breathable mesh, while allowing air to flow freely, it can effectively block external insects and other foreign objects from entering the box body, thereby reducing the maintenance frequency, protecting the internal equipment from pollution and damage, and improving the stability and reliability of the system operation; by covering the outside of the cooling box 4 and the fan 9 with the protective cover shell 14, it can significantly reduce the dust and other impurities accumulated in these two parts, maintain the clean environment inside the box body, and is conducive to the continuous and efficient heat dissipation effect, thereby extending the service life of the equipment.

[0030] As a preferred embodiment of the above embodiment, a base 15 is fixedly installed at the bottom end of the box 1, and a base support plate 16 is fixedly installed at the bottom end of the base 15; the double reinforcement design of the base 15 and the base support plate 16 significantly increases the total load-bearing capacity of the box, ensuring that the entire substation can maintain structural stability even when operating at full load or encountering bad weather, reducing the risk of box shaking or displacement, and protecting internal precision equipment from damage; and can effectively prevent corrosive factors such as ground moisture and salt spray from eroding the bottom of the box, thereby extending the service life of the box and internal equipment.

[0031] As a preferred embodiment of the above embodiment, a plurality of groups of drainage holes 17 are connected and arranged on the base 15; the drainage holes 17 can timely discharge the rainwater accumulated on the base 15, so as to avoid the water from being retained at the bottom of the box for a long time, reduce the corrosion risk of the bottom of the box and the base, and avoid the water from penetrating into the box and causing damage to the electrical equipment, thereby ensuring the safe and stable operation of the electrical system; by quickly draining the accumulated water, the contact time between water and metal is reduced, the occurrence of rust is effectively prevented, and the service life and maintenance cycle of the entire box-type substation are extended; when the bottom of the box or the base area needs to be inspected, cleaned or repaired, the drainage holes can assist in quickly draining the accumulated water, facilitate the staff to approach the working area, and improve the efficiency and safety of the maintenance work; whether in rainy and humid areas or low-lying areas prone to flooding, the design of the drainage holes enables the box-type substation to better adapt to various environmental conditions, ensuring the stable operation of the system under different geographical and climatic conditions.

[0032] As a preferred embodiment of the above embodiment, a lighting lamp 18 is arranged inside the box 1; the lighting lamp 18 provides necessary lighting conditions for the box, so that maintenance personnel can clearly see the internal structure and components of the box at night or in low light conditions, which is convenient for equipment inspection, maintenance or troubleshooting, greatly improving work efficiency, and reducing the risk of operational errors or safety accidents caused by unclear vision.

[0033] As a preferred embodiment of the above embodiment, the top cover of the box body 1 is provided with a top cover 19, and the top cover 19 is an inverted V-shaped structure; the top cover 19 with an inverted V-shaped structure can effectively guide rainwater to flow to both sides and drain quickly, avoid rainwater gathering on the top, reduce the risk of rainwater penetrating into the inside of the box body, protect the internal electronic equipment from moisture damage, and improve the waterproof performance and durability of the system; the inverted V-shaped design can better disperse the wind pressure and snow load on the top mechanically. This structure can reduce the force concentration on the top of the box body, enhance the stability and wind resistance of the overall structure, and ensure the safe operation of the substation; the inverted V-shaped top cover can promote natural ventilation on the top of the box body to a certain extent, form a chimney effect, help hot air rise and be discharged from the top, assist the internal heat dissipation system, further improve the overall heat dissipation efficiency, and maintain a suitable working temperature in the box body.

[0034] The photovoltaic grid-connected power generation and boosting intelligent box-type substation of the utility model, when it is working, when the power electronic equipment inside the box body 1 generates heat, the outside air is introduced through the air inlet 2 of the box body 1, and the air passes through the cooling box 4 installed on the outside of the box body to reduce the air temperature, the fan 9 is started, and its fan blades rotate to drive the cold air to pass through the cooling box 4, and the cooled air is sent back into the box body to form an effective circulation cooling system, the liquid replenishment port 11 and the waste discharge hole are used to supplement and replace the cooling medium to ensure the heat dissipation efficiency and system cleanliness, the protective cover 14 covers the outside of the cooling box 4 and the fan 9, which not only protects the internal equipment from the influence of the external environment, but also allows air circulation, the design of the breathable mesh can block foreign matter from entering, the inverted V-shaped top cover 19 on the top of the box body 1 optimizes the drainage of rainwater, and may also help air circulation and improve the heat dissipation efficiency, the lighting lamp 18 installed inside the box body provides the necessary light conditions for maintenance operations, and the drainage hole 17 at the bottom is designed to ensure the dryness of the inside of the box body to prevent water accumulation from damaging the equipment.

[0035] The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation of the utility model has common mechanical installation, connection or setting methods, which can be implemented as long as they can achieve beneficial effects.

[0036] 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 modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A photovoltaic grid-connected power generation boosting intelligent box-type substation, characterized in that: It comprises a box body, a mounting cavity is arranged inside the box body, a plurality of exhaust ports are arranged on the box body, an air inlet is arranged on the box body, and a mounting reference rod is fixedly installed on the air inlet; A cooling box, the cooling box is arranged on the mounting reference rod, and the cooling box is used to cool the air entering the box body; The fan is arranged on the cooling box and is provided with fan blades for driving air to pass through the cooling box and enter the box body.

2. The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation according to claim 1, characterized in that: The cooling box is connected with a liquid replenishing port, and a sealing cover is installed on the liquid replenishing port.

3. The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation according to claim 1, characterized in that: The cooling box is connected with a waste discharge hole, and a sealing plug is installed on the sealing cover of the waste discharge hole.

4. The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation according to claim 1, characterized in that: It also includes a protective cover shell, which is fixedly installed on the outer side wall of the box body, and is provided with a breathable mesh. The protective cover shell is arranged on the outside of the cooling box and the fan.

5. The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation according to claim 1, characterized in that: A base is fixedly installed at the bottom end of the box body, and a base support plate is fixedly installed at the bottom end of the base.

6. The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation according to claim 5, characterized in that: The base is provided with a plurality of groups of drainage holes in communication.

7. The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation according to claim 1, characterized in that: An illuminating lamp is arranged inside the box.

8. The photovoltaic grid-connected power generation and voltage-boosting intelligent box-type substation according to claim 1, characterized in that: The top cover of the box body is provided with a top cover, and the top cover is an inverted V-shaped structure.

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