Grid-connected cabinet for photovoltaic power generation

Abstract

The utility model discloses a photovoltaic power generation grid-connected cabinet comprising a photovoltaic power generation grid-connected cabinet, and two sides of the inner wall of the photovoltaic power generation grid-connected cabinet are fixedly connected with metal retaining plates. By rotating the handle, the handle drives the rotatable rubber disc to rotate, the rotatable rubber disc drives the worm to rotate, the worm drives the worm gear to rotate, the worm gear rotates to drive the metal rotating rod to rotate, the metal rotating rod drives the gear to rotate, and the gear drives the transmission toothed plate to move. A transmission toothed plate drives a moving plate to move, the moving plate drives a clamping block to move, so that the clamping block is separated from a clamping groove, then a user moves the power controller set to a proper position, the user reversely operates the steps, so that the clamping block is clamped in the clamping groove again, and the stability of the power controller set can be guaranteed; therefore, the photovoltaic power generation grid-connected cabinet is convenient to adjust, and an existing mode of fixing the controller by using bolts is replaced, so that the position of the controller can be freely changed.

Description

Technical Field

[0001] The utility model relates to the technical field of grid-connected cabinets, in particular to a grid-connected cabinet for photovoltaic power generation. Background Art

[0002] The grid-connected cabinet is an important device in the power system, mainly used to connect and coordinate the grid-connected operation of different generators or power sources. It can realize the grid-connected control of different generators or power systems, ensuring the smooth operation and coordinated power supply of the power system. The grid-connected cabinet is mainly composed of a DC input terminal, an inverter, an AC output terminal, a protection device and a monitoring system. The DC power output by the photovoltaic battery group is converted into the AC power required by the power system through the inverter, so as to realize the smooth grid connection of the photovoltaic power generation system and the power system. The function of the grid-connected cabinet is not limited to grid-connected control, but also includes safety protection and data collection. There is a protection device inside, which can monitor parameters such as current and voltage in real time, handle faults in time, and improve system safety. At the same time, the grid-connected cabinet can realize the collection and monitoring of power system operation data, providing a basis for system management and scheduling. In terms of applicable scenarios, the grid-connected cabinet is widely used in distributed photovoltaic power stations, large photovoltaic power stations, industrial and commercial photovoltaic systems, and national photovoltaic power station projects. It can realize the stable grid-connected operation of photovoltaic power stations and ensure the quality and reliability of electric energy. When operating the grid-connected cabinet, some important matters need to be paid attention to. For example, it is strictly forbidden to operate the power connection cabinet in a humid environment or in the presence of flammable materials; the power connection cabinet must not be overloaded, and it should be connected and operated according to the rated capacity of the equipment.

[0003] Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. Its core component is solar cells, which are packaged in series to form large-area solar cell modules, and then used in conjunction with power controllers and other components to form photovoltaic power generation devices. When light shines on solar cells and is absorbed by the interface layer, photons with sufficient energy will stimulate electrons to separate from covalent bonds, thereby generating current. Grid-connected cabinets are required to control current in photovoltaic power generation. However, in the current use of grid-connected cabinets, the position of the controller is fixed by bolts. When the position needs to be adjusted, the bolts need to be removed for adjustment, which is time-consuming and labor-intensive, and cannot be adjusted quickly, and is relatively inconvenient.

[0004] Therefore, it is necessary to redesign the grid-connected cabinet to effectively prevent the current grid-connected cabinet from being used. The position of the controller is fixed by bolts. When the position needs to be adjusted, the bolts need to be removed for adjustment, which is time-consuming and laborious and cannot be adjusted quickly. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a grid-connected cabinet for photovoltaic power generation, which has the advantage of easy adjustment and solves the problem that in the current use of grid-connected cabinets, the position of the controller is fixed by bolts, and when the position needs to be adjusted, the bolts need to be removed for adjustment, which is time-consuming and laborious and cannot be adjusted quickly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grid-connected cabinet for photovoltaic power generation, comprising a photovoltaic power generation grid-connected cabinet, metal retaining plates are fixedly connected to both sides of the inner wall of the photovoltaic power generation grid-connected cabinet, a controller mounting frame is slidably connected to the inner side of the metal retaining plate, a power controller group is fixedly installed on the front of the controller mounting frame, clamping components are arranged on both sides of the back of the controller mounting frame, and a heat dissipation port is opened on the left side of the photovoltaic power generation grid-connected cabinet, and the number of the heat dissipation ports is several.

[0007] As a preferred embodiment of the utility model, the clamping assembly includes a metal rotating rod, which is movably connected to the back side of the controller mounting frame, the surface of the metal rotating rod is fixedly connected to a gear, the bottom of the gear is meshed with a transmission tooth plate, the outer side of the transmission tooth plate is fixedly connected to a movable plate, the outer side of the movable plate is fixedly connected to a clamping block, the inner side of the metal retaining plate is provided with a clamping groove used in conjunction with the clamping block, the front side of the surface of the metal rotating rod is fixedly connected to a worm wheel, and the outer side of the worm wheel is meshed with a worm.

[0008] As a preferred embodiment of the present invention, there are several card slots, and the card slots are distributed in a straight line.

[0009] As a preferred embodiment of the present invention, a metal limiting frame is fixedly connected to the back side of the controller mounting frame, and the metal limiting frame is slidably connected to the transmission gear plate.

[0010] As a preferred embodiment of the present invention, the number of the metal limiting frames is several, and the metal limiting frames are distributed in a straight line.

[0011] As a preferred embodiment of the present invention, the bottom of the worm screw penetrates to the bottom of the controller mounting frame, and a rotatable rubber disc is fixedly connected to the bottom of the worm screw.

[0012] As a preferred embodiment of the present invention, a handle is fixedly connected to the bottom of the rotatable rubber disc, and the handle is used in conjunction with the rotatable rubber disc.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model rotates the handle, and the handle drives the rotatable rubber disk to rotate, the rotatable rubber disk drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel rotation drives the metal rotating rod to rotate, the metal rotating rod drives the gear to rotate, the gear drives the transmission tooth plate to move, the transmission tooth plate drives the moving plate to move, the moving plate drives the card block to move, so that the card block is out of the card slot, and then the user moves the power controller group to a suitable position, the user reverses the above steps to make the card block re-stuck in the inside of the card slot, which can ensure the stability of the power controller group and make the photovoltaic power generation grid-connected cabinet easy to adjust, replacing the existing method of fixing the controller with bolts, so that the position of the controller can be freely changed, which is relatively convenient.

[0015] 2. The utility model can transmit the transmission tooth plate through the setting of the clamping assembly, effectively improve the stability of the transmission tooth plate, avoid the shaking of the transmission tooth plate, and have high safety. By setting the number of the card slots to several, it is convenient to adjust the position of the controller mounting frame, effectively avoid the shaking of the controller mounting frame, and have high safety and are convenient for users to use. By setting the metal limit frame, the transmission tooth plate can be limited, which effectively improves the stability of the transmission tooth plate, and can avoid the shaking of the transmission tooth plate, and have high safety. By setting the number of metal limit frames to several, the transmission tooth plate can be limited, which effectively improves the stability of the transmission tooth plate, and can limit multiple positions of the transmission tooth plate, which can avoid the normal sliding operation of the transmission tooth plate, and have high safety. By setting the rotatable rubber disc, the worm can be rotated, which effectively improves the stability of the worm, so that the worm can rotate quickly, and has high safety and is convenient for users to use. By setting the handle, the rotatable rubber discs can be rotated in coordination with each other, which effectively improves the stability of the rotatable rubber disc and avoids the shaking and instability of the rotatable rubber disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the controller mounting frame of the utility model;

[0018] Figure 3 It is a rear view schematic diagram of the controller mounting frame of the utility model;

[0019] Figure 4 For this utility model Figure 3 Enlarged schematic diagram at point A in the middle.

[0020] In the figure: 1. Photovoltaic power generation grid-connected cabinet; 2. Metal retaining plate; 3. Controller mounting frame; 4. Power controller group; 5. Clamping assembly; 51. Metal rotating rod; 52. Gear; 53. Transmission gear plate; 54. Moving plate; 55. Block; 56. Slot; 57. Worm gear; 58. Worm; 6. Heat dissipation port; 7. Metal limit frame; 8. Rotatable rubber disc; 9. Handle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 4 As shown, the utility model provides a photovoltaic power generation grid-connected cabinet, including a photovoltaic power generation grid-connected cabinet 1, both sides of the inner wall of the photovoltaic power generation grid-connected cabinet 1 are fixedly connected with metal retaining plates 2, the inner side of the metal retaining plate 2 is slidably connected with a controller mounting frame 3, the front of the controller mounting frame 3 is fixedly installed with a power controller group 4, both sides of the back of the controller mounting frame 3 are provided with clamping components 5, and the left side of the photovoltaic power generation grid-connected cabinet 1 is provided with a heat dissipation port 6, and the number of the heat dissipation ports 6 is several.

[0023] refer to Figure 4 The clamping assembly 5 includes a metal rotating rod 51, which is movably connected to the back of the controller mounting frame 3. A gear 52 is fixedly connected to the surface of the metal rotating rod 51, and a transmission tooth plate 53 is meshed at the bottom of the gear 52. A moving plate 54 is fixedly connected to the outer side of the transmission tooth plate 53, and a clamping block 55 is fixedly connected to the outer side of the moving plate 54. A clamping groove 56 used in conjunction with the clamping block 55 is provided on the inner side of the metal retaining plate 2. A worm gear 57 is fixedly connected to the front side of the surface of the metal rotating rod 51, and a worm 58 is meshed on the outer side of the worm gear 57.

[0024] As a technical optimization solution of the present invention, the transmission tooth plate 53 can be transmitted through the setting of the clamping assembly 5, which effectively improves the stability of the transmission tooth plate 53, avoids the shaking of the transmission tooth plate 53, and has high safety.

[0025] refer to Figure 4 The number of the card slots 56 is several, and the card slots 56 are distributed in a straight line.

[0026] As a technical optimization solution of the utility model, by setting the number of the card slots 56 to be several, the position of the controller mounting frame 3 can be easily adjusted, and the shaking of the controller mounting frame 3 can be effectively avoided. It is relatively safe and convenient for users to use.

[0027] refer to Figure 4 A metal limiting frame 7 is fixedly connected to the back of the controller mounting frame 3 , and the metal limiting frame 7 is slidably connected to the transmission gear plate 53 .

[0028] As a technical optimization solution of the utility model, the transmission tooth plate 53 can be limited by setting the metal limit frame 7, which effectively improves the stability of the transmission tooth plate 53, avoids the shaking of the transmission tooth plate 53, and has high safety.

[0029] refer to Figure 4 The number of the metal limiting frames 7 is several, and the metal limiting frames 7 are distributed in a straight line.

[0030] As a technical optimization solution of the utility model, by increasing the number of metal limit frames 7, the transmission tooth plate 53 can be limited, which effectively improves the stability of the transmission tooth plate 53. The transmission tooth plate 53 can be limited at multiple positions, which can avoid the normal sliding operation of the transmission tooth plate 53 and has relatively high safety.

[0031] refer to Figure 4 The bottom of the worm 58 penetrates through the bottom of the controller mounting frame 3 , and a rotatable rubber disk 8 is fixedly connected to the bottom of the worm 58 .

[0032] As a technical optimization solution of the utility model, the worm 58 can be rotated by setting the rotatable rubber disk 8, which effectively improves the stability of the worm 58, allows the worm 58 to rotate quickly, is relatively safe, and is convenient for users to use.

[0033] refer to Figure 4 A handle 9 is fixedly connected to the bottom of the rotatable rubber disc 8 , and the handle 9 is used in conjunction with the rotatable rubber disc 8 .

[0034] As a technical optimization solution of the utility model, the handle 9 can be provided to coordinate the rotation of the rotatable rubber discs 8, thereby effectively improving the stability of the rotatable rubber discs 8 and avoiding the shaking and instability of the rotatable rubber discs 8.

[0035] The working principle and use process of the utility model are as follows: when in use, when the user needs to adjust the height of the power controller group 4, the user rotates the handle 9, the handle 9 drives the rotatable rubber disk 8 to rotate, the rotatable rubber disk 8 drives the worm 58 to rotate, the worm 58 drives the worm wheel 57 to rotate, the rotation of the worm wheel 57 drives the metal rotating rod 51 to rotate, the metal rotating rod 51 drives the gear 52 to rotate, the gear 52 drives the transmission tooth plate 53 to move, the transmission tooth plate 53 drives the moving plate 54 to move, the moving plate 54 drives the card block 55 to move, so that the card block 55 is disengaged from the card slot 56, and then the user moves the power controller group 4 to a suitable position, the user reverses the above steps, so that the card block 55 is re-stuck in the inside of the card slot 56, which can ensure the stability of the power controller group 4, and solves the problem that in the current use of the grid-connected cabinet, the position of the controller is fixed by bolts, and when the position needs to be adjusted, the bolts need to be removed for adjustment, the adjustment is time-consuming and labor-intensive, and the adjustment cannot be performed quickly, thereby achieving the effect of easy adjustment.

[0036] To sum up: the photovoltaic power generation grid-connected cabinet, by setting up a photovoltaic power generation grid-connected cabinet 1, a metal retaining plate 2, a controller mounting frame 3, a power controller group 4, a clamping assembly 5, a metal rotating rod 51, a gear 52, a transmission tooth plate 53, a movable plate 54, a clamping block 55, a clamping slot 56, a worm gear 57, a worm 58 and a heat dissipation port 6, solves the problem that in the current use of grid-connected cabinets, the position of the controller is fixed by bolts, and when the position needs to be adjusted, the bolts need to be removed for adjustment, which is time-consuming and labor-intensive and cannot be adjusted quickly.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic power generation grid-connected cabinet, comprising a photovoltaic power generation grid-connected cabinet (1), characterized in that: Metal retaining plates (2) are fixedly connected to both sides of the inner wall of the photovoltaic power generation grid-connected cabinet (1), a controller mounting frame (3) is slidably connected to the inner side of the metal retaining plate (2), a power controller group (4) is fixedly installed on the front of the controller mounting frame (3), clamping components (5) are arranged on both sides of the back of the controller mounting frame (3), and a heat dissipation port (6) is opened on the left side of the photovoltaic power generation grid-connected cabinet (1), and the number of the heat dissipation ports (6) is several.

2. A photovoltaic power generation grid-connected cabinet according to claim 1, characterized in that: The clamping assembly (5) comprises a metal rotating rod (51), the metal rotating rod (51) is movably connected to the back side of the controller mounting frame (3), a gear (52) is fixedly connected to the surface of the metal rotating rod (51), a transmission tooth plate (53) is meshed at the bottom of the gear (52), a moving plate (54) is fixedly connected to the outer side of the transmission tooth plate (53), a clamping block (55) is fixedly connected to the outer side of the moving plate (54), a clamping groove (56) for use with the clamping block (55) is provided on the inner side of the metal retaining plate (2), a worm wheel (57) is fixedly connected to the front side of the surface of the metal rotating rod (51), and a worm (58) is meshed on the outer side of the worm wheel (57).

3. A photovoltaic power generation grid-connected cabinet according to claim 2, characterized in that: The number of the card slots (56) is several, and the card slots (56) are distributed in a straight line.

4. A photovoltaic power generation grid-connected cabinet according to claim 1, characterized in that: A metal limiting frame (7) is fixedly connected to the back of the controller mounting frame (3), and the metal limiting frame (7) is slidably connected to the transmission toothed plate (53).

5. A photovoltaic power generation grid-connected cabinet according to claim 4, characterized in that: The number of the metal limiting frames (7) is several, and the metal limiting frames (7) are distributed in a straight line.

6. A photovoltaic power generation grid-connected cabinet according to claim 2, characterized in that: The bottom of the worm (58) penetrates the bottom of the controller mounting frame (3), and a rotatable rubber disk (8) is fixedly connected to the bottom of the worm (58).

7. A photovoltaic power generation grid-connected cabinet according to claim 6, characterized in that: A handle (9) is fixedly connected to the bottom of the rotatable rubber disc (8), and the handle (9) is used in conjunction with the rotatable rubber disc (8).

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