CN210273942U

CN210273942U - Photovoltaic grid-connected power generation device

Info

Publication number: CN210273942U
Application number: CN201921205905.7U
Authority: CN
Inventors: 白家金; 白茹月
Original assignee: Yuxi Jiankun Technology Co Ltd
Current assignee: Yuxi Jiankun Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-07
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a photovoltaic grid-connected power generation device, which comprises a photovoltaic cell panel and a bracket, wherein the photovoltaic cell panel is composed of at least two small photovoltaic cell panels (1); an illumination angle adjusting device (3) is arranged on the backlight side of the small photovoltaic cell panel (1); the illumination angle adjusting device (3) comprises a protective shell, wherein a spiral bevel gear I (4), a spiral bevel gear II (5), a spiral bevel gear III (7), a spiral bevel gear IV (8) and a transmission shaft (6) are arranged in the protective shell; the transmission shaft (6) is horizontally fixed through a fixed support rod (9). The utility model discloses a photovoltaic grid-connected power generation device, which designs a new illumination angle adjusting device to adjust the illumination angle; meanwhile, the independent control and the block control of the photovoltaic cell panel are realized, the optimal photovoltaic conversion efficiency is achieved, the operation is simple, and the production cost is low.

Description

Photovoltaic grid-connected power generation device

Technical Field

The utility model relates to a photovoltaic equipment, especially a photovoltaic grid-connected power generation facility.

Background

The utilization of solar energy is an important content for developing new energy and renewable energy, and in order to utilize the solar energy to the maximum extent, the solar panel of the photovoltaic power generation device is required to be ensured to be capable of facing the sunlight.

The existing solar cell panel capable of automatically adjusting the illuminated surface is complex in adjustment, the rotating device is too large, and the whole photovoltaic cell panel is unevenly illuminated at two ends due to the whole rotation, so that the photovoltaic power generation conversion efficiency is influenced; the photovoltaic grid-connected power generation device is not suitable for being installed in places such as small spaces and roofs, roofs or slope surfaces which are limited by places, and is not suitable for erection, has the problems of potential safety hazards, high cost, high maintenance cost and the like, and therefore the photovoltaic grid-connected power generation device is designed, and the problems can be thoroughly solved.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: aiming at the problems, the adjusting devices are respectively installed behind a plurality of small battery panels into which the photovoltaic battery panels are divided, the angles of the battery panels can be accurately and flexibly adjusted by controlling the small battery panels, the maximum illumination area is reached, and the power generation efficiency is improved.

The utility model adopts the technical scheme as follows:

the utility model relates to a photovoltaic grid-connected power generation device, which comprises a photovoltaic cell panel and a bracket, wherein the photovoltaic cell panel consists of at least two small photovoltaic cell panels; an illumination angle adjusting device is arranged on the backlight side of the small photovoltaic cell panel; the illumination angle adjusting device comprises a protective shell, wherein a spiral bevel gear I, a spiral bevel gear II, a spiral bevel gear III, a spiral bevel gear IV and a transmission shaft are arranged in the protective shell; the spiral bevel gear I is meshed with the spiral bevel gear II, the spiral bevel gear II is connected with the spiral bevel gear III through a transmission shaft, the spiral bevel gear III is meshed with the spiral bevel gear IV, and the transmission shaft is horizontally fixed through a fixed support rod.

Preferably, a battery panel fixing structure is fixed on the backlight side of the small photovoltaic battery panel through a screw; the battery panel fixing structure is welded on the spiral bevel gear I and is fixed by screws, so that operation and maintenance can be facilitated.

Spiral bevel gear I welds at panel fixed knot constructs, and welding back spiral bevel gear I and panel fixed knot construct and connect more closely, and spiral bevel gear I drives battery board fixed knot structure when rotating, improves the accuracy.

Preferably, the fixed support rod is provided with a round hole, a transmission shaft penetrates through the round hole, and the transmission shaft can rotate around the axis in the round hole and cannot move.

Preferably, still be provided with motor and controlling means in the protecting sheathing, the motor passes through wire connection controlling means, installs illumination angle adjusting device, motor and controlling means in a protecting sheathing, is convenient for to the protection of inner structure, is equipped with the window that can lock on the protecting sheathing, is convenient for open and carries out artificial regulation and control to equipment, avoids the rainwater erosion.

Preferably, the motor is connected with a small photovoltaic cell panel. The photovoltaic cell panel provides electric energy for the motor.

Preferably, a time relay is arranged in the control device, and the motor is controlled to work through set time.

Preferably, a key groove is formed in a motor shaft of the motor, a motor gear is mounted on the key groove, and the motor gear is meshed with the spiral bevel gear IV; a key groove is formed in a motor shaft of the motor, a motor gear is installed through the key groove, the motor works to drive the gear to rotate, and therefore the illumination angle adjusting device is driven to work.

Preferably, the photovoltaic cell panel comprises at least one cell panel area, the cell panel area comprises a plurality of small photovoltaic cell panels, the illumination angle adjusting device of the small photovoltaic cell panels is installed on the same motor, and the small photovoltaic cell panels in the cell panel area are driven to rotate by the motor.

Preferably, the motors of the small photovoltaic cell panels in the cell panel area are connected with the same control device.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

(1) the utility model discloses photovoltaic grid-connected power generation device, photovoltaic cell board comprises two at least fritter photovoltaic cell boards, the fritter photovoltaic cell board side of being shaded is provided with illumination angle adjusting device, and the photovoltaic cell board size of telling can be by constituteing its fritter photovoltaic cell board quantity decision, and every fritter photovoltaic cell board turned angle of accessible controlling means independent control has avoided monoblock photovoltaic cell board to receive the illumination intensity inequality at monoblock photovoltaic cell board both ends through the whole rotation of a rotating device to photovoltaic conversion efficiency has been improved.

(2) The existing adjusting device is large in size by adopting equipment, multiple in used materials, and not suitable for being installed in a region where porch education is small and a roof, a roof or a slope or the like is not suitable for erection, and the photovoltaic grid-connected power generation device is simple in structure, light in material and low in cost by adopting the material, and solves the problems that the equipment in the prior art is too large, is not suitable for erection, and has potential safety hazards and high cost.

(3) The utility model discloses a photovoltaic grid-connected power generation device, it once to utilize time relay control motor switch to switch on every 30 minutes, the motor rotates a week and makes photovoltaic cell board produce 1 slope, realize photovoltaic cell board's illumination angle's regulation, under the condition of practicing thrift energy consumption and cost, make the photovoltaic cell board vertical plane to the sun, improve photoelectric conversion efficiency, and simultaneously, this photovoltaic grid-connected power generation device consumptive material uses screw or gear engagement fixed, for fortune dimension reduction degree of difficulty and cost in the future when having improved the efficiency of electricity generation, the equipment cost is reduced, the shortcoming that prior art cost is high has been overcome.

(4) The utility model designs a new illumination angle adjusting device, the adopted spiral bevel gear I is meshed with the spiral bevel gear II, the spiral bevel gear I and the spiral bevel gear II are both in spiral umbrella structures, the thread on the spiral bevel gear I is oblique, the spiral bevel gear II rotates on the horizontal plane under the action of the transmission shaft, and the spiral bevel gear I rotates on the vertical plane under the action of the spiral bevel gear II, thereby driving the rotation of the battery panel; the structure is ingenious in design and simple in operation, and illumination angle adjustment is achieved.

Drawings

Fig. 1 is a schematic view of a usage state of the photovoltaic grid-connected power generation device of the present invention.

Fig. 2 is a schematic structural view of a small photovoltaic cell panel of the present invention;

fig. 3 is the local structure schematic diagram of the illumination angle adjusting device of the present invention.

The labels in the figure are: the solar photovoltaic solar panel comprises 1 small photovoltaic cell panel, 2 cell panel fixing structures, 3 illumination angle adjusting devices, 4 spiral bevel gears I, 5 spiral bevel gears II, 6 transmission shafts, 7 spiral bevel gears III, 8 spiral bevel gears IV, 9 fixing support rods, 10 motor gears, 11 motors and a control device.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-3, the utility model provides a photovoltaic grid-connected power generation device, which comprises a photovoltaic cell panel and a bracket, wherein the photovoltaic cell panel is composed of at least two small photovoltaic cell panels 1, the backlight side of each small photovoltaic cell panel 1 is provided with a through hole with threads, the backlight side of a cell panel fixing structure 2 and the backlight side of each small photovoltaic cell panel 1 are provided with threaded through holes with the same specification, and the small photovoltaic cell panels 1 are fixed on the cell panel fixing structure 2 through screws; the backlight side of the small photovoltaic cell panel 1 is provided with an illumination angle adjusting device 3;

the illumination angle adjusting device 3 comprises a protective shell, wherein a spiral bevel gear I, a spiral bevel gear II, a spiral bevel gear III, a spiral bevel gear IV and a transmission shaft 6 are arranged in the protective shell; the spiral bevel gear I is meshed with the spiral bevel gear II, the spiral bevel gear II is connected with the spiral bevel gear III through a transmission shaft 6, the spiral bevel gear III is meshed with the spiral bevel gear IV, the transmission shaft 6 is horizontally fixed through a fixed support rod 9, a round hole is formed in the fixed support rod 9, the transmission shaft 6 can penetrate into the round hole, so that the transmission shaft 6 can rotate around the axis, but can not move on the position, and the moving range of the transmission shaft is limited; fixed stay bar 9 welded fastening is on the support, spiral bevel gear I welding is on panel fixed knot constructs 2, can drive the battery board when making spiral bevel gear I rotate and rotate, spiral bevel gear IV meshes with motor gear 10, motor gear 10 passes through the keyway to be fixed on the motor shaft, finely tune the alignment sunshine through motor and illumination angle adjusting device with fritter photovoltaic cell panel and shine the direction, guarantee light and solar cell panel as far as constantly perpendicular, exert the biggest with the utilization ratio of solar energy, the screw is chooseed for use to the consumptive material or the meshing mode is fixed, the convenient change is overhauld.

The inside of protecting sheathing still is provided with illumination angle adjusting device 3, motor and controlling means 11, and the motor is connected through the wire to fritter photovoltaic cell board 1, provides a small portion electric quantity for the motor work, contains time relay in the controlling means, and controlling means passes through the wire and is connected with the motor, control motor work.

In an embodiment, the photovoltaic cell panel comprises at least one cell panel area, the cell panel area comprises a plurality of small photovoltaic cell panels, the illumination angle adjusting devices of the small photovoltaic cell panels are arranged on the same motor, and the small photovoltaic cell panels in the cell panel area are driven to rotate by the motor; the photovoltaic cell panels in the local area rotate together through the motor.

In another embodiment, the motors of the small photovoltaic panels in the panel area are connected with the same control device, and the controller is used for simultaneously controlling the panels in the same area to rotate.

The working principle is as follows: the motor is supplied with the photovoltaic cell panels, the control device is used for controlling the rotation of the motor to drive the illumination angle adjusting device, meanwhile, the cell panel supporting and fixing structure connected with the illumination angle adjusting device is driven, the motor is controlled to rotate within a set time, and the equipment is restored to the initial position after one day, so that the illumination angle is adjusted.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A photovoltaic grid-connected power generation device is characterized by comprising a photovoltaic cell panel and a bracket, wherein the photovoltaic cell panel is composed of at least two small photovoltaic cell panels (1); an illumination angle adjusting device (3) is arranged on the backlight side of the small photovoltaic cell panel (1); the illumination angle adjusting device (3) comprises a protective shell, wherein a spiral bevel gear I (4), a spiral bevel gear II (5), a spiral bevel gear III (7), a spiral bevel gear IV (8) and a transmission shaft (6) are arranged in the protective shell; the spiral bevel gear I (4) is meshed with the spiral bevel gear II (5), the spiral bevel gear II (5) is connected with the spiral bevel gear III (7) through a transmission shaft (6), the spiral bevel gear III (7) is meshed with the spiral bevel gear IV (8), and the transmission shaft (6) is horizontally fixed through a fixed support rod (9).

2. The grid-connected PV power generation device of claim 1, characterized in that the backlight side of the small PV cell panel (1) is fixed with a panel fixing structure (2) by screws; the battery plate fixing structure (2) is welded on the spiral bevel gear I (4).

3. The grid-connected photovoltaic power generation device according to claim 1, wherein the fixed support rod (9) is provided with a circular hole, and the circular hole is penetrated by the transmission shaft (6).

4. The grid-connected PV power generation device of claim 1, characterized in that, a motor and a control device (11) are further arranged in the protective housing, and the motor is connected with the control device through a wire.

5. A grid-connected PV generator according to claim 4, characterized in that the motor is connected to a small PV panel (1).

6. The grid-connected PV power generation device of claim 4, wherein a time relay is provided in the control device to control the operation of the motor according to a set time.

7. The grid-connected PV power generation device according to claim 4, characterized in that a key slot is arranged on the motor shaft of the motor, a motor gear (10) is arranged on the key slot, and the motor gear (10) is meshed with the spiral bevel gear IV (8).

8. The grid-connected photovoltaic power generation device according to claim 1, wherein the photovoltaic cell panel comprises at least one cell panel area, the cell panel area comprises a plurality of small photovoltaic cell panels, the illumination angle adjusting device of the small photovoltaic cell panels is installed on a same motor, and the small photovoltaic cell panels in the cell panel area are driven to rotate by the motor.

9. The grid-connected PV power generation device of claim 8, wherein the motors of the small PV panels in the panel area are connected to a same control device.