Intelligent control device for photovoltaic power station

Abstract

The utility model discloses a control device for intelligent photovoltaic power station belongs to photovoltaic power station technical field. Including the cabinet body, the cabinet body one side wall is opened with multiple with inside airflow passageway intercommunication's air inlet, the slide rail that is corresponded with air inlet is provided on the side wall top, at least one air inlet tank is slidably installed on the slide rail, air inlet tank is detachably connected with the cabinet body and is butt joint with air inlet, and the filter screen, air inlet fan and drying box are installed in the air inlet tank, and the cover is blocked on the air inlet of not butt joint air inlet tank. The utility model discloses each air inlet can independently select the installation air inlet tank or cover, realizes the matching of air inlet power and control device configuration power, only needs a set of standard cabinet body, can be adapted to the control device of full power section through increasing or reducing the number of air inlet tank, need not to design the cabinet body alone for different load, and the research and development and production cost are reduced greatly, the air inlet tank is installed through the sliding cooperation, and the air inlet tank can be pulled out of the cabinet body by sliding outward, is convenient for replacing the drying box, and the maintenance time is shortened.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic power station technology, specifically to a control device for an intelligent photovoltaic power station. Background Technology

[0002] As an important form of renewable energy utilization, photovoltaic (PV) power plants are experiencing continuous expansion in installed capacity and application scale. PV power plants require control devices to achieve core functions such as monitoring PV module power generation, regulating grid-connected power, and managing equipment status. These control devices are key components for ensuring stable operation and improving power generation efficiency. PV power plant control devices release heat during prolonged use, thus requiring cooling systems to prevent overheating.

[0003] Current heat dissipation solutions for photovoltaic power plant control devices still have the following technical shortcomings: Existing control devices often employ customized cooling systems, matching fixed cooling fans and air intake structures to control devices with specific power specifications. When the control device needs to increase power due to power plant expansion or load adjustment, the air intake and heat dissipation capacity of the original cooling system cannot meet the increased heat generation, easily leading to equipment overheating. The cabinets have poor versatility. Different power control devices require cabinets of different sizes and with different heat dissipation structures, which not only increases the equipment research and development cycle and manufacturing costs, but also leads to a wide variety of spare parts in the power plant operation and maintenance, thus increasing the operation and maintenance management costs. Utility Model Content

[0004] The purpose of this invention is to provide a control device for an intelligent photovoltaic power station, which allows for free configuration of the air intake power of the control device.

[0005] This utility model adopts the following technical solution: a control device for an intelligent photovoltaic power station, comprising: The cabinet has multiple air inlets on one side wall that communicate with the internal airflow channel; and a slide rail corresponding to each air inlet is provided on the upper part of the side wall. At least one air intake box is slidably mounted on the slide rail; the air intake box is detachably connected to the cabinet and docks with the air inlet. A cover is placed over the air intake that is not connected to the air intake box; The air intake box contains a filter, an intake fan, and a drying box.

[0006] Preferably, the air inlets on the side wall are arranged horizontally, and the cabinet above the air inlets has an outwardly extending eave; the slide rail is fixed below the eave, and the air inlet box does not extend beyond the eave.

[0007] Preferably, the side walls on both sides of the air inlet are provided with screw holes for connecting the air inlet box or the cover.

[0008] Preferably, the lower end of the air intake box is open, and an air outlet for connecting with the air inlet is provided on the upper part of one side of the air intake box. The upper surface of the air intake box is fixed with edges that cooperate with the slide rail on both sides.

[0009] Preferably, the filter screen is installed at the lower end of the air intake box, the air intake fan is positioned above the filter screen, and the drying box is tilted and positioned above the air intake fan.

[0010] Preferably, the side of the filter screen is fastened to the inner wall of the air intake box.

[0011] Preferably, the intake fan is welded to the inner wall of the intake box via a support.

[0012] Preferably, the drying box is mounted on an inclined support; a sealing plate is fixed to the upper end of the air inlet box, and a maintenance port is provided on the end of the sealing plate away from the air outlet; The inclined support can enter and exit through the maintenance port.

[0013] Preferably, the inclined bracket has a through hole in the middle for installing the drying box, the lower end of the inclined bracket has a horizontal lower stop edge, and the upper end of the inclined bracket has an inverted L-shaped upper stop edge; The inner wall of the air inlet box inside the air outlet has a positioning step that cooperates with the lower baffle. The upper baffle rests against the inner wall of the air intake box, and an arc-shaped elastic plate is fixed on the upper side of the upper baffle. The side of the elastic plate away from the upper baffle is engaged with the side of the maintenance port through a stop.

[0014] Preferably, a pair of handles are fixed on the elastic plate.

[0015] The beneficial effects of this utility model are as follows: Each air inlet on the side wall of the cabinet can be independently fitted with an air inlet box or a cover to match the air intake power with the power of the control device. Through the linear relationship between the number of air inlets and the total air intake power, the supply of heat dissipation airflow is ensured to match the actual heat generation of the control device, thereby improving the overall system energy efficiency ratio. With just one standard cabinet, control devices of all power ranges can be adapted by increasing or decreasing the number of air intake boxes. There is no need to design cabinets separately for different loads, which greatly reduces R&D and production costs. When the photovoltaic power station needs to be expanded, there is no need to replace the entire cabinet. Only some covers need to be removed and air intake boxes need to be added, which reduces equipment replacement costs and shortens the transformation cycle. The air intake box is installed using a sliding fit; it can be pulled out of the cabinet by sliding it outwards. The dryer box is installed on a tilting bracket, which can be directly pulled out through the maintenance port at the top of the air intake box. After replacing the dryer box, the bracket can be pushed back in, requiring no complicated tools and shortening maintenance time. Attached Figure Description

[0016] Figure 1This is an assembly diagram of a control device for an intelligent photovoltaic power station provided in an embodiment of the present invention.

[0017] Figure 2 This is a front view of a control device for an intelligent photovoltaic power station provided in an embodiment of the present invention.

[0018] Figure 3 This is a perspective view of the air intake box in this utility model.

[0019] Figure 4 This is a front view of the air intake box in this utility model.

[0020] Figure 5 for Figure 4 View from AA.

[0021] Figure 6 A three-dimensional view of the tilted support and drying box.

[0022] Explanation of reference numerals in the attached figures: 1. Cabinet body; 11. Side wall; 12. Air inlet; 13. Eaves; 14. Drawer slide; 2. Cover; 3. Air intake box; 31. Air outlet; 32. Edge; 33. Sealing plate; 331. Maintenance port; 34. Positioning step; 4. Filter screen; 5. Intake fan; 6. Drying box; 7. Inclined bracket; 71. Lower stop; 72. Upper stop; 73. Elastic plate; 731. Handle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1: like Figures 1 to 3As shown, this utility model provides a control device for an intelligent photovoltaic power station, including a cabinet 1. Multiple horizontally arranged air inlets 12 are provided on one side wall 11 of the cabinet 1, and the air inlets 12 are connected to an internal airflow channel for heat dissipation. Screw holes are provided on the side walls 11 of both sides of the air inlets 12 for fixing air intake boxes 3 or covers 2; in use, each air inlet 12 can be selectively fixed to one air intake box 3 or cover 2. The cabinet 1 above the air inlets 12 has an outwardly extending eave 13, which is used to install the air intake box 3 and to block rainwater from the air inlets 12. Each air inlet 12 is provided with a pair of slide rails 14, which are fixed to the underside of the eave 13 by bolts.

[0025] The air intake box 3 has a rectangular parallelepiped structure with an open lower end for air intake. An air outlet 31 is located on the upper part of one side of the air intake box 3. The air outlet 31 has an external stop for easy connection with the air intake 12. Edges 32 that mate with the slide rail 14 are fixed to both sides of the upper surface of the air intake box 3. The edges 32 of the air intake box 3 are slidably mounted on the slide rail 14. When the air intake box 3 is slid inwards so that the air outlet 31 aligns with the air intake 12, the outer side of the air intake box 3 does not extend beyond the overhang 13. When the air intake box 3 is slid outwards, it allows for convenient maintenance.

[0026] This embodiment provides a control device for an intelligent photovoltaic power station. The appropriate number of air inlet boxes 3 can be installed according to the configuration power of the control device. The air inlets 12 that are not connected to the air inlet boxes 3 are blocked by the cover 2. The overall air intake power of the air inlet boxes 3 matches the configuration power of the control device, thereby realizing the standardization of the cabinet 1 structure.

[0027] Example 2: Based on the above embodiment one, combined with Figures 3 to 5 As shown, the air intake box 3 contains a filter screen 4, an intake fan 5, and a dryer box 6. The filter screen 4 is installed at the lower end of the air intake box 3, and an elastic edge is fixed to the side of the filter screen 4. The elastic edge is fastened to the inner wall of the air intake box 3 for easy replacement of the filter screen 4. The intake fan 5 is located above the filter screen 4 and is installed in a support, which is welded to the inner wall of the air intake box 3. The dryer box 6 is installed on an inclined bracket 7, which is located above the intake fan 5. The dryer box 6 is arranged at an angle to increase the filtration area. A sealing plate 33 is fixed at the upper end of the air intake box 3. A maintenance port 331 is opened on the end of the sealing plate 33 away from the air outlet 31. The inclined bracket 7 can enter and exit through the maintenance port 331 to facilitate the removal of the inclined bracket 7 and replacement of the dryer box 6.

[0028] Example 3: Based on the above-described embodiment two, combined with Figures 3 to 6As shown, a square through hole is provided in the middle of the inclined bracket 7, and the drying box 6 is installed in the through hole. The two sides of the drying box 6 are fixed to the inclined bracket 7 with screws. The lower end of the inclined bracket 7 has a horizontal lower guard 71 bent, and the upper end of the inclined bracket 7 has an inverted L-shaped upper guard 72 bent. A positioning step 34 is welded to the inner wall of the air inlet box 3 inside the air outlet 31, and the lower guard 71 at the lower end of the inclined bracket 7 is supported on the positioning step 34. The outer side of the upper guard 72 is attached to the inner wall of the air inlet box 3, and an arc-shaped elastic plate 73 is fixed to the upper side of the upper guard 72 with bolts. The side of the elastic plate 73 away from the upper guard 72 is engaged with the side of the maintenance port 331 through a stop, so that the elastic plate 73 seals the maintenance port 331. A pair of handles 731 are fixed on the elastic plate 73; when the air inlet box 3 is installed under the eaves 13 of the cabinet 1, the handles 731 will press against the lower surface of the eaves 13 to further tighten the inclined bracket 7, ensuring the stability of the drying box 6 in the air intake state.

[0029] When using, select the number of air intake boxes 3 to install. The air intake boxes 3 should be installed on the air intake 12 in a symmetrical manner as much as possible. Other air intakes 12 are blocked by the cover 2. The upper edges 32 of the air intake box 3 are slidably mounted on the corresponding slide rails 14. The air intake box 3 is pushed inward until it is in contact with the side wall 11. At this time, the air outlet 31 of the air intake box 3 is inserted into the air inlet 12. Then, the air intake box 3 and the side wall 11 are fixed by bolts. When the air intake fan 5 in the air intake box 3 is started, the outside air passes through the filter screen 4, the air intake fan 5, the drying box 6, and the air outlet 31 in sequence and enters the heat dissipation channel in the cabinet 1. If the dryer box 6 needs to be replaced, first remove the bolts, then pull the air intake box 3 outward to expose the maintenance port 331; pull out the tilt bracket 7 and the dryer box 6 through the handle 731, replace the new dryer box 6, reinstall the tilt bracket 7, and reinstall the air intake box 3 into place.

[0030] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A control device for an intelligent photovoltaic power station, characterized in that, include: The cabinet has multiple air inlets on one side wall that communicate with the internal airflow channel; and a slide rail corresponding to each air inlet is provided on the upper part of the side wall. At least one air intake box is slidably mounted on the slide rail; the air intake box is detachably connected to the cabinet and docks with the air inlet. A cover is placed over the air intake that is not connected to the air intake box; The air intake box contains a filter, an intake fan, and a drying box.

2. The control device for an intelligent photovoltaic power station as described in claim 1, characterized in that: The air inlets on the side wall are arranged horizontally, and the cabinet above the air inlets has an outwardly extending eave; the slide rail is fixed below the eave, and the air inlet box does not extend beyond the eave.

3. The control device for an intelligent photovoltaic power station as described in claim 1, characterized in that: The side walls on both sides of the air inlet are provided with screw holes for connecting the air inlet box or the cover.

4. The control device for an intelligent photovoltaic power station as described in claim 1, characterized in that: The lower end of the air intake box is open, and an air outlet is provided on the upper part of one side of the air intake box for connecting with the air inlet. The upper surface of the air intake box has edges that cooperate with the slide rail on both sides.

5. The control device for an intelligent photovoltaic power station as described in claim 4, characterized in that: The filter screen is installed at the lower end of the air intake box, the air intake fan is positioned above the filter screen, and the drying box is tilted and positioned above the air intake fan.

6. The control device for an intelligent photovoltaic power station as described in claim 4, characterized in that: The side of the filter screen is fastened to the inner wall of the air intake box.

7. The control device for an intelligent photovoltaic power station as described in claim 4, characterized in that: The intake fan is welded to the inner wall of the intake box via a support.

8. The control device for an intelligent photovoltaic power station as described in claim 4, characterized in that: The drying box is mounted on an inclined bracket; a sealing plate is fixed to the upper end of the air inlet box, and a maintenance port is provided on the end of the sealing plate away from the air outlet. The inclined support can enter and exit through the maintenance port.

9. The control device for an intelligent photovoltaic power station as described in claim 8, characterized in that: The inclined bracket has a through hole in the middle for installing a drying box, a horizontal lower stop at the lower end of the inclined bracket, and an inverted L-shaped upper stop at the upper end of the inclined bracket. The inner wall of the air inlet box inside the air outlet has a positioning step that cooperates with the lower baffle. The upper baffle rests against the inner wall of the air intake box, and an arc-shaped elastic plate is fixed on the upper side of the upper baffle. The side of the elastic plate away from the upper baffle is engaged with the side of the maintenance port through a stop.

10. The control device for an intelligent photovoltaic power station as described in claim 9, characterized in that: A pair of handles are fixed to the elastic plate.

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