Integrated grid-connected cabinet with photovoltaic and power grid conversion function

Abstract

The utility model relates to the technical field of integrated grid-connected cabinets, in particular to an integrated grid-connected cabinet with photovoltaic and power grid conversion, which comprises a grid-connected cabinet main body, a ventilation base and a dehumidification box, the bottom end of the grid-connected cabinet main body is slidably connected with the ventilation base, and the dehumidification box is arranged on the left side in the grid-connected cabinet main body. A supporting plate is arranged in the middle of the bottom end of the interior of the ventilation base, an independent power source is arranged on the right side of the supporting plate, a fan is arranged in the middle of the top end of the supporting plate, and an air expansion pipe is connected to the top end of the fan in a penetrating and inserting mode. According to the grid-connected cabinet, the fan and the air expansion pipe in the ventilation base are utilized to generate air with relatively high flowability to cover the interior of the whole grid-connected cabinet, so that the purpose of cooling is achieved, and the elastic dehumidification block arranged in the dehumidification box can absorb and discharge moisture in the grid-connected cabinet; and the fan enables the air in the grid-connected cabinet to flow, so that the dehumidification efficiency of the dehumidification box can be improved in a humid environment, and the dryness in the grid-connected cabinet is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of integrated grid-connected cabinets, in particular to an integrated grid-connected cabinet with photovoltaic and grid conversion. Background Art

[0002] With the increasing popularity of renewable energy, photovoltaic technology has become an important part of the modern energy field. However, the instability of photovoltaic power generation and the complexity of the power grid make the effective integration of the two a challenge. To this end, an integrated grid-connected cabinet with photovoltaic and grid conversion is proposed to realize the conversion between photovoltaic power generation and the grid.

[0003] The patent specification with the announcement number CN220066448U discloses a photovoltaic grid-connected cabinet with a heat dissipation and dehumidification structure, including a cabinet body and a cabinet cover, wherein an air intake fan is symmetrically arranged at the center of one side wall of the cabinet body, and one end of the two air intake fans respectively penetrates one side wall of the cabinet body and passes to the interior, and a mesh plate is respectively arranged at an inner side wall of the cabinet body close to the two air intake fans, and a dehumidification box is respectively arranged inside the two mesh plates, and a shutter is arranged on one side of the cabinet body, and a connecting pipe is arranged at the input end of the water pump, and one end of the connecting pipe penetrates a side wall of the water tank and passes to the interior, and a water pipe is arranged on the lower end surface of the cabinet cover, and the output end of the motor penetrates a side wall of the water tank and passes to the interior, and a rotating fan blade is arranged at the end. In the utility model, a dehumidification box is arranged at the air inlet, which can first absorb the moisture in the air, so that the wind blown in is dry, and the heat dissipation and dehumidification effect is more perfect.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned photovoltaic grid-connected cabinet with a heat dissipation and dehumidification structure has the following problems: when the device is used to dissipate heat for the grid-connected cabinet in a humid environment, the air inlet and dehumidification box provided in the device are often not convenient for drying the humid air inside the grid-connected cabinet, and the air flowability in the grid-connected cabinet is poor. In view of this, an integrated grid-connected cabinet with photovoltaic and grid conversion is provided to overcome the above-mentioned defects. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the prior art that when the device is used to dissipate heat for a grid-connected cabinet in a humid environment, the air inlet and dehumidification box provided in the device are often not convenient for drying the humid air inside the grid-connected cabinet, and the air flowability in the grid-connected cabinet is poor. An integrated grid-connected cabinet with photovoltaic and grid conversion is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an integrated grid-connected cabinet with photovoltaic and power grid conversion, comprising a grid-connected cabinet main body, a ventilation base and a dehumidification box, the bottom end of the grid-connected cabinet main body is slidably connected to the ventilation base, a dehumidification box is arranged on the left side of the interior of the grid-connected cabinet main body, a support plate is arranged in the middle of the inner bottom end of the ventilation base, an independent power supply is arranged on the right side of the support plate, a fan is arranged in the middle of the top end of the support plate, an air expansion duct is inserted and connected to the top end of the fan, an air outlet is opened at the top end of the air expansion duct, a storage rack is slidably connected to the middle part of the interior of the dehumidification box, a water outlet is opened at the bottom end of the storage rack, an elastic dehumidification block is arranged inside the storage rack, and a dehumidification port is opened on the upper front side of the dehumidification box.

[0007] As a further description of the above technical solution: the air outlet is internally slidably connected with an air expansion scoop, and the air outlet and the air expansion scoop are arranged in sequence at the top of the air expansion pipe, and the air outlet and the air expansion scoop are arranged in sequence in four groups, thereby greatly diffusing the wind generated by the fan so that the wind can fill the entire grid-connected cabinet.

[0008] As a further description of the above technical solution: the independent power supply is slidably connected to the right inner wall of the ventilation base, and the independent power supply is electrically connected to the fan, thereby supplying power to the fan and the electric push rod to ensure the operation of the fan and the electric push rod.

[0009] As a further description of the above technical solution: a drain port is opened in the middle of the bottom end of the dehumidifier box, and a drain pipe is connected to the internal thread of the drain port. A one-way valve is arranged inside the drain pipe, and the drain pipe is connected to the left side of the grid-connected cabinet body through an insertion hole, so that the water in the dehumidifier box can be discharged.

[0010] As a further description of the above technical solution: an extrusion plate is slidably connected to the upper interior of the dehumidification box, an electric push rod is fixedly connected to the middle of the top of the extrusion plate, a fixed plate is fixedly connected to the top of the electric push rod, and the fixed plate is fixedly connected to the inner wall of the grid-connected cabinet body, thereby squeezing out the moisture absorbed by the elastic dehumidification block.

[0011] As a further description of the above technical solution: an inverter is arranged on the upper part of the interior of the grid-connected cabinet body, vents are symmetrically opened on the outside of the grid-connected cabinet body, a shielding cover is arranged on the outside of the vents, and the shielding cover is fixedly connected to the grid-connected cabinet body, and the inverter can convert photovoltaic electricity.

[0012] The utility model has the following beneficial effects:

[0013] The utility model designs an integrated grid-connected cabinet with photovoltaic and grid conversion. Through the design cooperation of a ventilation base and a dehumidification box, a fan and an air expansion duct in the ventilation base are used to generate wind with strong fluidity to cover the entire interior of the grid-connected cabinet, thereby achieving the purpose of cooling. The elastic dehumidification blocks arranged in the dehumidification box can absorb and discharge the moisture inside the grid-connected cabinet, and the fan makes the air flow in the grid-connected cabinet, which can improve the dehumidification efficiency of the dehumidification box in a humid environment, thereby ensuring the dryness of the interior of the grid-connected cabinet.

[0014] The integrated grid-connected cabinet with photovoltaic and grid conversion designed by the utility model can squeeze the elastic dehumidification block after absorbing moisture through the design cooperation of the electric push rod, the extrusion plate and the drain pipe, squeeze out the moisture absorbed by the elastic dehumidification block, and discharge the water out of the grid-connected cabinet through the drain pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the grid-connected cabinet of the utility model;

[0017] Figure 3 This is a schematic diagram of the ventilation base structure of the utility model;

[0018] Figure 4 This is a cross-sectional view of the ventilation base structure of the utility model;

[0019] Figure 5 This is a cross-sectional view of the dehumidification box structure of the utility model.

[0020] Legend:

[0021] 1. Grid cabinet body; 2. Ventilation base; 3. Dehumidification box; 4. Support plate; 5. Independent power supply; 6. Fan; 7. Air expansion duct; 8. Air outlet; 9. Storage rack; 10. Water outlet; 11. Elastic dehumidification block; 12. Dehumidification port; 13. Air expansion hopper; 14. Drain port; 15. Drain pipe; 16. One-way valve; 17. Extrusion plate; 18. Electric push rod; 19. Fixed plate; 20. Inverter; 21. Ventilation port; 22. Shielding cover. DETAILED DESCRIPTION

[0022] Reference Figure 1-5The utility model provides an integrated grid-connected cabinet with photovoltaic and grid conversion: it includes a grid-connected cabinet body 1, a ventilation base 2 and a dehumidification box 3. The bottom end of the grid-connected cabinet body 1 is slidably connected with the ventilation base 2. The dehumidification box 3 is arranged on the left side of the inside of the grid-connected cabinet body 1. A support plate 4 is arranged in the middle of the bottom end of the ventilation base 2. An independent power supply 5 is arranged on the right side of the support plate 4. A fan 6 is arranged in the middle of the top of the support plate 4. The fan 6 on the support plate 4 is started by the independent power supply 5 in the ventilation base 2. The top of the fan 6 is interspersed with an air expansion pipe 7. The wind force generated by the fan 6 can be expanded through the air expansion pipe 7, and an air outlet 8 is provided at the top of the air expansion pipe 7. A rack 9 is slidably connected to the middle part of the dehumidification box 3, and a water outlet 10 is provided at the bottom end of the rack 9. An elastic dehumidification block 11 is arranged inside the rack 9. A dehumidification port 12 is provided on the upper front side of the dehumidification box 3. The generated wind can be discharged from the air expansion hopper 13 to the inner body of the grid-connected cabinet through the air outlet 8, so that the internal electronic components are cooled and protected by the flowing wind, and the humid air is introduced into the dehumidification box 3 through the dehumidification port 12.

[0023] As a further implementation scheme of the above technical scheme: the air outlet 8 is internally slidably connected with an air expansion scoop 13, the air outlet 8 and the air expansion scoop 13 are arranged in sequence at the top of the air expansion pipe 7, and the air outlet 8 and the air expansion scoop 13 are arranged in sequence in four groups, and the air outlet 8 and the air expansion scoop 13 can be discharged from the air expansion scoop 13 to the inside of the grid-connected cabinet through the air outlet 8.

[0024] As a further implementation scheme of the above technical scheme: the independent power supply 5 is slidably connected to the right inner wall of the ventilation base 2, and the independent power supply 5 is electrically connected to the fan 6, and the fan 6 is powered by the independent power supply 5.

[0025] As a further implementation scheme of the above technical scheme: a drain port 14 is opened in the middle of the bottom end of the dehumidification box 3, and the internal thread of the drain port 14 is connected with a drain pipe 15, and a one-way valve 16 is arranged inside the drain pipe 15, and the drain pipe 15 is connected with the left side of the grid-connected cabinet body 1 through the drain pipe 15 and the one-way valve 16, and the water is discharged from the dehumidification box 3 through the drain pipe 15 and the one-way valve 16.

[0026] As a further implementation scheme of the above technical scheme: an extrusion plate 17 is slidably connected to the upper interior of the dehumidification box 3, an electric push rod 18 is fixedly connected to the middle of the top end of the extrusion plate 17, a fixed plate 19 is fixedly connected to the top end of the electric push rod 18, and the fixed plate 19 is fixedly connected to the inner wall of the grid-connected cabinet body 1, the electric push rod 18 is started by the independent power supply 5, and the extrusion plate 17 is driven by the electric push rod 18 to extrude the elastic dehumidification block 11.

[0027] As a further implementation scheme of the above technical scheme: an inverter 20 is arranged on the upper part of the interior of the grid-connected cabinet body 1, and vents 21 are symmetrically opened on the outer side of the grid-connected cabinet body 1. A shielding cover 22 is arranged on the outer side of the vents 21, and the shielding cover 22 is fixedly connected to the grid-connected cabinet body 1, and the direct current provided by the photovoltaic power supply is converted into alternating current through the inverter 20.

[0028] Working principle:

[0029] When using the utility model, first install the grid-connected cabinet body 1 to the designated position and connect the external wires. After the external photovoltaic power supply line is connected, the DC power provided by the photovoltaic power supply can be converted into AC power through the set inverter 20, so that it can be subsequently connected to the power grid to supply power to the user. In daily use, the fan 6 on the support plate 4 can be started by the independent power supply 5 in the ventilation base 2, so that the fan 6 can continuously generate wind to cool the electronic components in the grid-connected cabinet body 1. At the same time, when the fan 6 supplies air, the set air expansion pipe 7 can expand the wind force generated by the fan 6, and discharge the generated wind from the air expansion bucket 13 to the inside of the grid-connected cabinet through the air outlet 8 opened on the air expansion pipe 7, so that the internal electronic components are cooled and protected by the flowing wind. When the environment in which the device is located is relatively humid, in order to ensure the dryness of the inside of the grid-connected cabinet body 1, the elastic dehumidification block 11 set in the dehumidification box 3 will The humid air inside the body 1 is filtered. During this process, the humid air will enter the dehumidification box 3 through the dehumidification port 12 of the dehumidification box 3, and the water vapor in the humid air will be absorbed by the elastic dehumidification block 11. At the same time, the vent 21 can ensure that external air continues to enter the main body 1 of the grid-connected cabinet, and the shielding cover 22 can prevent the water vapor on the outer wall of the main body 1 of the grid-connected cabinet from accidentally flowing into the main body 1 of the grid-connected cabinet. After the elastic dehumidification block 11 absorbs the water vapor, the electric push rod 18 can be started by the system pre-set inside the independent power supply 5, so that it continuously drives the extrusion plate 17 to squeeze the elastic dehumidification block 11, and the fixed plate 19 provides support for the electric push, so as to squeeze the water absorbed by the elastic dehumidification block 11, and make the water flow to the drain port 14 of the dehumidification box 3 through the water outlet 10 opened at the bottom of the shelf 9, so that the water is discharged from the dehumidification box 3 through the drain pipe 15 and the one-way valve 16.

[0030] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated grid-connected cabinet with photovoltaic and grid conversion, comprising a grid-connected cabinet body (1), a ventilation base (2) and a dehumidification box (3), characterized in that: The bottom end of the grid-connected cabinet body (1) is slidably connected to a ventilation base (2); a dehumidification box (3) is arranged on the left side of the inside of the grid-connected cabinet body (1); a support plate (4) is arranged in the middle of the bottom end of the inside of the ventilation base (2); an independent power supply (5) is arranged on the right side of the support plate (4); a fan (6) is arranged in the middle of the top end of the support plate (4); an air expansion pipe (7) is inserted and connected to the top end of the fan (6); an air outlet (8) is provided at the top end of the air expansion pipe (7); a storage rack (9) is slidably connected to the middle of the inside of the dehumidification box (3); a water outlet (10) is provided at the bottom end of the storage rack (9); an elastic dehumidification block (11) is arranged inside the storage rack (9); and a dehumidification port (12) is provided on the upper front side of the dehumidification box (3).

2. The integrated grid-connected cabinet with photovoltaic and grid conversion according to claim 1, characterized in that: The air outlet (8) is slidably connected to an air diffuser (13) inside, and the air outlet (8) and the air diffuser (13) are arranged in sequence at the top of the air diffuser pipe (7), and the air outlet (8) and the air diffuser (13) are arranged in four groups in sequence.

3. The integrated grid-connected cabinet with photovoltaic and grid conversion according to claim 1, characterized in that: The independent power source (5) is slidably connected to the right inner wall of the ventilation base (2), and the independent power source (5) is electrically connected to the fan (6).

4. The integrated grid-connected cabinet with photovoltaic and grid conversion according to claim 1, characterized in that: A drain port (14) is provided in the middle of the bottom end of the dehumidification box (3), a drain pipe (15) is connected to the inner thread of the drain port (14), a one-way valve (16) is provided inside the drain pipe (15), and the drain pipe (15) is connected to the left side of the grid-connected cabinet body (1) through an insertion.

5. The integrated grid-connected cabinet with photovoltaic and grid conversion according to claim 1, characterized in that: An extrusion plate (17) is slidably connected to the upper interior of the dehumidification box (3), an electric push rod (18) is fixedly connected to the middle of the top end of the extrusion plate (17), a fixing plate (19) is fixedly connected to the top end of the electric push rod (18), and the fixing plate (19) is fixedly connected to the inner wall of the grid-connected cabinet body (1).

6. The integrated grid-connected cabinet with photovoltaic and grid conversion according to claim 1, characterized in that: An inverter (20) is arranged above the inside of the grid-connected cabinet body (1), ventilation openings (21) are symmetrically provided on the outside of the grid-connected cabinet body (1), a shielding cover (22) is arranged on the outside of the ventilation opening (21), and the shielding cover (22) is fixedly connected to the grid-connected cabinet body (1).

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