CN219268144U

CN219268144U - Frequency modulation control cabinet for photovoltaic power station

Info

Publication number: CN219268144U
Application number: CN202223052765.9U
Authority: CN
Inventors: 闫琛淮; 庞昭; 党学涛; 王玉西; 张洋; 孙艳庆; 李宗唐; 吕锐; 耿庆庆
Original assignee: Huaneng Shaanxi Dingbian Electric Power Co ltd
Current assignee: Huaneng Shaanxi Dingbian Electric Power Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-06-27
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to the technical field of photovoltaic power stations and discloses a frequency modulation control cabinet for a photovoltaic power station, wherein a supporting concave plate is longitudinally arranged at the bottom of a control cabinet body, incoming wire round holes are uniformly formed in the central position and two sides of the bottom of the control cabinet body, arc clamping plates are transversely arranged on two sides of the bottom end of each incoming wire round hole, sliding plates are transversely arranged on the opposite sides of the adjacent arc clamping plates at the bottom end of each incoming wire round hole, and holes are formed in the central positions of the sliding plates. This frequency modulation switch board for photovoltaic power plant drives belt pulley and driving belt through driving motor and pivot and rotates, and after threaded rod syntropy rotated, adjacent arc splint are in the drive down the opposite movement, carry out spacing fixedly to the wire in the inlet wire round hole, adopt this kind of mode, and is more effective to the fixed of wire in the wire round hole, avoids when taking place to rock, the wire takes place the emergence of becoming flexible phenomenon with electrical component's junction.

Description

Frequency modulation control cabinet for photovoltaic power station

Technical Field

The utility model relates to the technical field of photovoltaic power stations, in particular to a frequency modulation control cabinet for a photovoltaic power station.

Background

The photovoltaic power station is a power generation system which is formed by utilizing solar energy and adopting special materials such as a crystalline silicon plate, an inverter and other electronic elements, is connected with a power grid and transmits power to the power grid. The photovoltaic power station belongs to a green electric power development energy project with the greatest national encouragement and can be divided into an independent power generation system with a storage battery and a grid-connected power generation system without the storage battery. Solar power generation is divided into photo-thermal power generation and photovoltaic power generation, in a power system in a photovoltaic power station, AGC is a system for adjusting active outputs of a plurality of generators of different power stations to respond to load change, automatic power generation control AGC (Automatic Generation Control) is an important function in an energy management system EMS, the output of a frequency modulation unit is controlled to meet the continuously changing power demand of a user, the system is in an economical running state, and the AGC needs to be used in a frequency modulation control cabinet.

The common frequency modulation control cabinet for the photovoltaic power station extends equipment into the frequency modulation control cabinet through a wire and a wire inlet hole formed in the bottom or the back of the frequency modulation control cabinet, so that the wire is connected with an electric element corresponding to the inside of the frequency modulation control cabinet, the frequency modulation control cabinet adjusts the working frequency of the equipment through various electric elements and the wire inside, the equipment can be started stably, and the damage of heavy current generated during direct starting of the equipment to a motor is reduced. The common frequency modulation switch board inlet wire hole is offered circular hole usually, when fixed to the wire of passing through, partly uses splint and extrusion spring etc. to fix the inside wire of inlet wire, but the force of applys splint and wire through extrusion spring is removed, when the wire takes place great rocking, the wire can drive splint and extrude extrusion spring to make lose fixedly to the wire, make the junction of wire and electrical components take place not hard up phenomenon easily, for this reason proposes a frequency modulation switch board for photovoltaic power plant.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a frequency modulation control cabinet for a photovoltaic power station, which aims to solve the technical problems.

(II) technical scheme

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a photovoltaic power plant is with frequency modulation switch board, includes the switch board body, the bottom of switch board body is vertically installed and is supported the concave plate, the inlet wire round hole has evenly been seted up to the bottom central point of switch board body and both sides, arc splint are all transversely installed to the bottom both sides of inlet wire round hole, the sliding plate is all transversely installed to the opposite one side of the adjacent arc splint in inlet wire round hole bottom, the hole has all been seted up to the central point of sliding plate, the threaded rod is all transversely installed to the inside of hole, the threaded rod surface screw thread of arc splint both sides is opposite, the bearing frame is all vertically installed to the bottom both sides of supporting the concave plate, the both ends of threaded rod all outwards extend through the bearing frame medial surface that corresponds to be connected with the belt pulley, install driving belt in the recess of belt pulley.

In the second aspect, preferably, a supporting plate is transversely and fixedly installed on one side of the lower portion of the back of the control cabinet body, a driving motor is transversely additionally arranged at the top of the supporting plate, a rotor of the driving motor is coaxially connected with a rotating shaft, and one end of the rotating shaft is connected with the back of the belt pulley.

In the third aspect, preferably, a box door is hinged to one side of the front face of the control cabinet body, an observation window is formed in the upper portion of the center position of the outer surface of the box door, and a switch handle is additionally arranged on one side of the center position of the box door.

In the fourth aspect, preferably, the heat dissipation holes are formed in the central positions of the upper parts of the two sides of the control cabinet body, the heat dissipation windows are mounted at the outer ends of the heat dissipation holes, the whole design of the heat dissipation windows is square, and empty slots are formed in the central positions of the outer surfaces and the two sides of the heat dissipation windows longitudinally.

In the fifth aspect, preferably, the upper part, the central position and the lower part of the back surface of the inner cavity of the control cabinet body are all transversely provided with mounting frames, the central positions of two sides of the mounting frames are both longitudinally provided with supporting blocks, and the top and the bottom of each supporting block are both longitudinally provided with supporting rods.

In a sixth aspect, preferably, the upper part and the lower part of two sides of the inside of the control cabinet body are both transversely provided with mounting clamping grooves, the inner cavities of the mounting clamping grooves are both provided with connecting clamping plates, and one sides of the connecting clamping plates are both connected with one sides of the corresponding supporting blocks.

(III) beneficial effects

Compared with the prior art, the utility model provides the frequency modulation control cabinet for the photovoltaic power station, which has the following beneficial effects:

1. according to the frequency modulation control cabinet for the photovoltaic power station, the belt pulley and the transmission belt are driven to rotate through the driving motor and the rotating shaft, so that the threaded rod connected with the belt pulley rotates, and as the threaded rod threads on the sliding plates corresponding to the adjacent arc clamping plates are opposite, after the threaded rods rotate in the same direction, the adjacent arc clamping plates move in opposite directions under the driving of the sliding plates, and the wires in the wire inlet round holes are limited and fixed;

2. this frequency modulation switch board for photovoltaic power plant adds the mounting bracket of locating switch board body inner chamber and is connected between the inside connection cardboard of supporting shoe and installation draw-in groove that corresponds for the back of mounting bracket is laminated mutually with switch board body inner chamber back, and accessible installation draw-in groove is taken out or is put into with the inner chamber of connecting the cardboard with the mounting bracket from the switch board body, adopts this kind of mode, compares in traditional mounting bracket and is being fixed in switch board body inner chamber back through the bolt fastening, is very inconvenient in carrying out electrical components's installation, and this device takes out or put into the mounting bracket from the inner chamber of switch board body for electrical components installation convenient and fast inserts the extrusion soft block of equidimension and length in the inside of installation draw-in groove and fixes the connection cardboard.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a sectional internal part of a control cabinet body according to the present utility model;

FIG. 3 is a schematic top view of the inside of the support recess plate of the present utility model.

In the figure: 1. a control cabinet body; 2. a support concave plate; 3. an arc clamping plate; 4. a threaded rod; 5. a bearing seat; 6. a belt pulley; 7. a drive belt; 8. a support plate; 9. a driving motor; 10. a door; 11. a heat radiation window; 12. a mounting frame; 13. a support block; 14. installing a clamping groove; 15. and connecting the clamping plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, a frequency modulation control cabinet for a photovoltaic power station, which comprises a control cabinet body 1, a supporting concave plate 2, arc clamping plates 3, threaded rods 4, bearing seats 5, belt pulleys 6, a transmission belt 7, a supporting plate 8, a driving motor 9, a box door 10, a radiating window 11, a mounting rack 12, supporting blocks 13, mounting clamping grooves 14 and connecting clamping plates 15, wherein the supporting concave plate 2 is longitudinally arranged at the bottom of the control cabinet body 1, wire inlet round holes are uniformly formed in the center position and the two sides of the bottom of the control cabinet body 1, so that wires can enter and are connected with electric elements, the arc clamping plates 3 are transversely arranged at the two sides of the bottom of each wire inlet round hole, sliding plates are transversely arranged at the opposite sides of the adjacent arc clamping plates 3 at the bottom of each wire inlet round hole, holes are transversely arranged at the center positions of holes, threaded rods 4 are transversely arranged at the inner sides of the holes, the threaded rods 4 are oppositely threaded at the outer surfaces of the threaded rods, the threaded rods 4 rotate to drive the corresponding sliding plates to move, wire inlet round holes are longitudinally arranged between the arc clamping plates 3, the two sides of the bottom of the supporting concave plate 2 are longitudinally arranged at the two sides, the belt pulleys 5 are longitudinally arranged at the two sides of each end of the corresponding belt pulley 6, and are connected with the belt pulleys 6 through the corresponding belt pulleys 6, and the belt pulleys are respectively arranged at the two sides 6, and the belt pulleys are respectively and are connected with the corresponding grooves and are respectively.

The back lower part one side of switch board body 1 all transversely fixed mounting has backup pad 8, and the top of backup pad 8 transversely adds and is equipped with driving motor 9, and driving motor 9's rotor coaxial coupling has the pivot, and the one end of pivot is connected with the back of belt pulley 6, and driving motor 9 passes through belt pulley 6 and drive belt 7 with the pivot and drives threaded rod 4 rotation.

Referring to fig. 1, a door 10 is hinged to one side of the front surface of the control cabinet body 1, an observation window is provided on the upper portion of the center position of the outer surface of the door 10, a switch handle is additionally provided on one side of the center position of the door 10, and the internal condition of the control cabinet body 1 is observed through the observation window.

The upper portion central point of both sides of switch board body 1 puts and has all offered the louvre, and the heat dissipation window 11 is all installed to the outer end in louvre, and the global design of heat dissipation window 11 is square, and the surface central point and both sides of heat dissipation window 11 all vertically have seted up the empty slot, with the inside heat dissipation of switch board body 1.

Referring to fig. 2, the upper part, the central position and the lower part of the back of the inner cavity of the control cabinet body 1 are all transversely provided with a mounting frame 12, the central positions of two sides of the mounting frame 12 are both longitudinally provided with supporting blocks 13, the top and the bottom of each supporting block 13 are both longitudinally provided with supporting rods, and electric elements can be mounted on the mounting frame 12.

The installation draw-in groove 14 has all transversely been seted up to inside both sides upper portion and the lower part of switch board body 1, and connection cardboard 15 is all installed to the inner chamber of installation draw-in groove 14, and one side of connection cardboard 15 all is connected with corresponding supporting shoe 13 one side, can remove mounting bracket 12 along installation draw-in groove 14 through connection cardboard 15.

The working principle of the device is as follows: the driving motor 9 and the rotating shaft drive the belt pulley 6 and the driving belt 7 to rotate, so that the threaded rod 4 connected with the belt pulley 6 rotates, and as the threads of the threaded rod 4 on the sliding plate corresponding to the adjacent arc clamping plates 3 are opposite, after the threaded rod 4 rotates in the same direction, the adjacent arc clamping plates 3 move in opposite directions under the driving of the sliding plate, the wires in the wire inlet round holes are limited and fixed, the mounting frame 12 arranged in the inner cavity of the control cabinet body 1 is connected with the connecting clamping plate 15 in the mounting clamping groove 14 through the corresponding supporting block 13, so that the back of the mounting frame 12 is attached to the back of the inner cavity of the control cabinet body 1, and the mounting frame 12 is taken out or put in from the inner cavity of the control cabinet body 1 through the mounting clamping groove 14 and the connecting clamping plate 15.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Frequency modulation switch board for photovoltaic power plant, including switch board body (1), its characterized in that: the novel intelligent control cabinet is characterized in that a supporting concave plate (2) is longitudinally arranged at the bottom of the control cabinet body (1), incoming line round holes are uniformly formed in the bottom center position and two sides of the control cabinet body (1), arc clamping plates (3) are transversely arranged at two sides of the bottom of each incoming line round hole, sliding plates are transversely arranged at opposite sides of the adjacent arc clamping plates (3) at the bottom of each incoming line round hole, holes are formed in the center positions of the sliding plates, threaded rods (4) are transversely arranged in the holes, threads on the outer surfaces of the threaded rods (4) at two sides of each arc clamping plate (3) are opposite, bearing blocks (5) are longitudinally arranged at two sides of the bottom of the supporting concave plate (2), two ends of each threaded rod (4) extend outwards through corresponding inner sides of the corresponding bearing blocks (5), belt pulleys (6) are connected, and driving belts (7) are arranged in grooves of the belt pulleys (6).

2. The frequency modulation control cabinet for a photovoltaic power station according to claim 1, wherein: the control cabinet is characterized in that a supporting plate (8) is transversely and fixedly arranged on one side of the lower portion of the back of the control cabinet body (1), a driving motor (9) is transversely arranged at the top of the supporting plate (8), a rotor of the driving motor (9) is coaxially connected with a rotating shaft, and one end of the rotating shaft is connected with the back of the belt pulley (6).

3. The frequency modulation control cabinet for a photovoltaic power station according to claim 1, wherein: the control cabinet is characterized in that a cabinet door (10) is hinged to one side of the front face of the control cabinet body (1), an observation window is formed in the upper portion of the center position of the outer surface of the cabinet door (10), and a switch handle is additionally arranged on one side of the center position of the cabinet door (10).

4. The frequency modulation control cabinet for a photovoltaic power station according to claim 1, wherein: the heat dissipation device is characterized in that heat dissipation holes are formed in the central positions of the upper portions of two sides of the control cabinet body (1), heat dissipation windows (11) are arranged at the outer ends of the heat dissipation holes, the whole design of each heat dissipation window (11) is square, and empty grooves are longitudinally formed in the central positions and the two sides of the outer surface of each heat dissipation window (11).

5. The frequency modulation control cabinet for a photovoltaic power station according to claim 1, wherein: the control cabinet is characterized in that an installation frame (12) is transversely installed on the upper portion, the central position and the lower portion of the back face of the inner cavity of the control cabinet body (1), supporting blocks (13) are longitudinally and additionally arranged on the central positions of two sides of the installation frame (12), and supporting rods are longitudinally installed at the top and the bottom of each supporting block (13).

6. The frequency modulation control cabinet for a photovoltaic power station according to claim 2, wherein: the control cabinet is characterized in that mounting clamping grooves (14) are transversely formed in the upper portions and the lower portions of two sides of the inside of the control cabinet body (1), connecting clamping plates (15) are arranged in inner cavities of the mounting clamping grooves (14), and one sides of the connecting clamping plates (15) are connected with one sides of corresponding supporting blocks (13).