CN210380754U

CN210380754U - Foundation structure of large photovoltaic power station for desert geology

Info

Publication number: CN210380754U
Application number: CN201921341343.9U
Authority: CN
Inventors: 冯强; 陈龙发
Original assignee: Nanjing Huiqiang New Energy Technology Co ltd
Current assignee: Nanjing Huiqiang New Energy Technology Co ltd
Priority date: 2019-08-17
Filing date: 2019-08-17
Publication date: 2020-04-21
Anticipated expiration: 2029-08-17

Abstract

The utility model discloses a foundation structure of a large photovoltaic power station in desert geology, which is applied to the field of photovoltaic power stations and solves the technical problem that the surface dust of a photovoltaic plate is difficult to clean; the photovoltaic panel dust cleaning device has the technical effect that dust on the photovoltaic panel can be automatically cleaned regularly, so that the service life of the photovoltaic panel is prolonged.

Description

Foundation structure of large photovoltaic power station for desert geology

Technical Field

The utility model relates to a photovoltaic power generation field, more specifically say, it relates to a foundation structure of large-scale photovoltaic power plant of desert geology.

Background

The area of an unmanned area in China is wide, the sunlight resources are very abundant in inner Mongolia, Xinjiang, Qinghai and Tibet including northeast, and a photovoltaic power station is a power station for converting light energy into electric energy by utilizing a photovoltaic panel and is one of important projects of national sustainable development.

At present, chinese patent with publication number CN204304884U discloses an adjustable assembly support for a photovoltaic panel of a large-scale ground photovoltaic power station, which comprises a low upright post seat, a high upright post seat, a supporting assembly a, a supporting assembly B and a supporting plate, wherein the low upright post seat is installed on a cement base a through the supporting assembly a, the high upright post seat is installed on the cement base B through the supporting assembly B, the supporting assembly a and the supporting assembly B are hinged on the supporting plate, and the photovoltaic panel is installed on the supporting plate.

The adjustable assembly support for the photovoltaic panel of the large-scale ground photovoltaic power station can be connected with the angle of the supporting plate, so that the angle of the photovoltaic panel can be adjusted conveniently. When dust falls on the photovoltaic panel, a hazard is created: (1) the absorption of the photovoltaic cell panel to light is influenced by the reflection, absorption and shielding effects of the dust particles to the light, so that the photovoltaic power generation efficiency is influenced; (2) the accumulation of dust on the surface of the photovoltaic panel increases the heat transfer resistance of the photovoltaic module, under the condition of normal illumination, the covered part of the photovoltaic panel can be changed into a power consumption unit from a power generation unit, and the covered photovoltaic cell can be changed into a load resistor without power generation, so that dark spots are left on the surface of the photovoltaic panel, namely a hot spot effect. However, the above-described support structure does not have a function of cleaning dust on the photovoltaic panel, so that the photovoltaic panel will not be used after several years of use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a large-scale photovoltaic power plant's of desert geology foundation structure, its advantage is, can regularly clear up the dust on the photovoltaic board automatically to improve the life of photovoltaic board.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a large-scale photovoltaic power plant's of desert geology foundation structure, is including inlaying the stand of establishing in the ground, installing bracing piece on the stand, installing the support that is used for installing the photovoltaic board on the bracing piece top, the both sides of support are all fixed and are equipped with the slide rail, two be equipped with the slide bar along the direction of perpendicular to slide rail between the slide rail, be equipped with the brush of elasticity conflict on the photovoltaic board on the slide bar.

Through above-mentioned technical scheme, the stand is made by the concrete, consequently compares in sand and soil, and the bearing capacity of stand is better. The slide bar can slide on the slide rail, sets up the brush on the slide bar simultaneously, and the slide bar drives the brush and moves on the photovoltaic board at gliding in-process, gets rid of the dust on the photovoltaic board after that, prevents that the dust from piling up on the photovoltaic board to prevent that the dust from falling on the photovoltaic board for a long time and influencing the life of photovoltaic board.

The utility model discloses further set up to: the side of slide rail is equipped with the lead screw along the length direction of slide rail, slide bar threaded connection is on the lead screw, the one end of lead screw is equipped with and is used for driving lead screw pivoted first motor.

Through above-mentioned technical scheme, first motor is used for driving the lead screw and rotates, and slide rail threaded connection is on the lead screw, and when the lead screw rotated, the slide bar moved on the lead screw this moment, and then made the slide bar can be automatic slide, reduced the cost of manual maintenance.

The utility model discloses further set up to: the lower surfaces at the two ends of the sliding rod are provided with sliding blocks, sliding grooves are formed in the sliding rails along the length direction of the sliding rails, and the sliding blocks are connected in the sliding grooves in a sliding mode.

Through above-mentioned technical scheme, the slider cooperation prevents in the spout that the slider from breaking away from the slide rail, further prevents that the slide bar from breaking away from the slide rail.

The utility model discloses further set up to: the sliding rod is connected to the sliding block in a sliding mode along the direction perpendicular to the sliding rail, strip-shaped square frames are further arranged at two ends of the sliding rod, a second motor is arranged on the outer side face of the sliding block, and a round wheel matched in the square frames is fixedly arranged on an output shaft of the second motor.

Through above-mentioned technical scheme, the second motor is at the pivoted in-process, and the direction reciprocating's of drive brush along the perpendicular to slide rail removal, the brush still removes along the length direction of slide rail simultaneously, and the removal of two directions, and then clears away the dust that is difficult to clear up on the photovoltaic board, ensures the clean and tidy nature of photovoltaic board.

The utility model discloses further set up to: the upper surface of the brush is provided with a plurality of studs penetrating through the sliding rod, a spring is sleeved on each stud, and two ends of the spring respectively abut against the sliding rod and the brush.

Through above-mentioned technical scheme, the interval between slide bar and the photovoltaic board is certain, and the interval between brush and the photovoltaic board is adjustable, and then is convenient for adjust the elasticity of brush to the photovoltaic board. The stud penetrates through the sliding rod and locks the column through the nut, the nut is rotated, the spring is compressed, and the hairbrush is enabled to be always tightly supported on the photovoltaic panel.

The utility model discloses further set up to: the supporting rod comprises a threaded sleeve and screws which are simultaneously in threaded connection in the threaded sleeve, and the two screws are opposite threads.

Through above-mentioned technical scheme, to the area of difference, there is certain change in solar illumination time and illumination angle, and the bracing piece can be adjusted to can adjust the angle of support slope, also guarantee simultaneously that the inclination of all supports of photovoltaic power plant is the same.

The utility model discloses further set up to: the stand is total three rows, is located the both ends and the middle part of the vertical projection of support respectively, be equipped with the stiffener on the support, the both ends of stiffener are connected respectively on the stand and the support.

Through above-mentioned technical scheme, because the support is bigger, the bracing piece is passed through at the both ends of support and is supported, and the interlude does not obtain supporting, meets strong wind or under adverse circumstances, holistic intensity will be not enough, and the setting up of strengthening rib improves the restraint ability and the support capacity to the support.

The utility model discloses further set up to: the stand includes iron sheet layer, concrete layer, it is equipped with the reinforcing bar to inlay in the concrete layer, the upper end of stand is equipped with pre-buried iron, the length of stand is 5 meters at least, the cross-sectional diameter of stand is 20 centimetres at least.

Through the technical scheme, the iron sheet is used for protecting the concrete layer, and the steel bars improve the strength of the concrete layer. The longer the column, the better the support capacity and the higher the cost, 5 m being the shortest length while ensuring stability.

To sum up, the utility model discloses following beneficial effect has:

1. the dust on the photovoltaic panel can be automatically raised, and the service life of the photovoltaic panel is prolonged;

2. the support has good stability and can not fall down in severe environment.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a sectional view of B-B in fig. 1.

Fig. 4 is a schematic structural diagram of the slide rail and the bracket of the present embodiment.

Fig. 5 is a schematic structural diagram of the slide rail, the slide rod and the brush of the embodiment.

Fig. 6 is a schematic structural view of the circular wheel and the second motor of the present embodiment.

Reference numerals: 1. a column; 11. an iron sheet layer; 12. a concrete layer; 13. reinforcing steel bars; 14. pre-burying iron; 15. connecting columns; 2. a support bar; 21. a threaded sleeve; 22. a screw; 23. a connecting plate; 3. a support; 31. a reinforcing bar; 4. a slide rail; 41. a chute; 42. a slider; 43. a connecting frame; 44. a screw rod; 45. a first motor; 5. a slide bar; 51. a brush; 52. a stud; 53. a spring; 54. a square frame; 55. a round wheel; 56. a second motor.

Detailed Description

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

Example (b): referring to fig. 1 and 2, the foundation structure of the large photovoltaic power station in the desert geology comprises an upright post 1 embedded in the ground, a support rod 2 installed on the upright post 1, and a support 3 installed at the top end of the support rod 2, wherein a photovoltaic panel is installed on the support 3. The bracing piece 2 includes two screw rods 22, threaded connection is threaded sleeve 21 on screw rod 22 simultaneously, and two screw rods 22 are opposite screw, rotate threaded sleeve 21, and two screw rods 22 slide in threaded sleeve 21 in opposite directions simultaneously, and then play the effect of adjusting the length of bracing piece 2, and then according to the region of difference, the angle of support 3 is adjusted to irradiant specific time.

Referring to fig. 1 and 2, the upper end of the support rod 2 is hinged to the bracket 3, the lower end of the support rod 2 is welded with a connecting plate 23, a waist-shaped groove is formed in the connecting plate 23, a connecting column 15 is vertically and fixedly arranged at the top of the upright post 1, and the connecting column 15 penetrates through the connecting plate 23 and is locked by a nut. Three rows of upright columns 1 are arranged below the same support 3, a reinforcing rod 31 is arranged between the middle row of upright columns 1 and the support 3, and two ends of the reinforcing rod 31 are respectively fixed on the support 3 and the upright columns 1, so that the stability of the support 3 is further improved.

Referring to fig. 2 and 3, the column 1 includes an iron sheet layer 11, a concrete layer 12, and a steel bar 13 embedded in the concrete layer 12; this ensures the strength of the column 1, which in turn enables the column 1 to be used for 15 years. The top end of the upright post 1 is provided with embedded iron 14, the embedded iron 14 is welded with the steel bar 13 and the iron sheet layer 11, and the connecting column 15 is welded on the embedded iron 14. The upright 1 has a length of 5 m and a diameter of at least 20 cm. More the stand 1 buries in the sand and soil layer, the more stable is just the position of stand 1, but stand 1 is longer, and the cost is higher, and 5 meters' length can enough guarantee the stability of stand 1 simultaneously reduce cost.

Referring to fig. 4 and 5, two sides of the bracket 3 are provided with mutually parallel sliding rails 4, a sliding rod 5 is arranged on the sliding rail 4 along a direction perpendicular to the sliding rails 4, a brush 51 is arranged between the sliding rod 5 and the photovoltaic panel, the brush 51 is fixed on the sliding rod 5, and the brush 51 is in elastic contact with the surface of the photovoltaic panel. When the sliding rod 5 moves along the length direction of the sliding rail 4, the brush 51 removes dust on the photovoltaic panel, and the dust is prevented from falling on the photovoltaic panel for a long time to influence the service life of the photovoltaic panel.

Referring to fig. 5 and 6, the sliding blocks 42 are disposed at two ends of the sliding rod 5, a T-shaped sliding slot 41 is formed in the sliding rail 4 along the length direction of the sliding rail 4, and the sliding blocks 42 are slidably connected in the sliding slot 41, so that the sliding blocks 42 can only move along the length direction of the sliding rail 4, but cannot be separated from the sliding rail 4. The lateral side of the sliding rail 4 is provided with a screw rod 44 parallel to the sliding rail 4, two ends of the screw rod 44 are provided with fixed blocks, the fixed blocks are welded on the sliding rail 4, meanwhile, the screw rod 44 is rotatably connected to the fixed blocks, one end of the screw rod 44 is provided with a first motor 45, the first motor 45 is used for driving the screw rod 44 to rotate, and the sliding block 42 is in threaded connection with the screw rod 44. When the first motor 45 drives the screw rod 44 to rotate, the sliding block 42 automatically slides on the screw rod 44 at the moment, so that dust does not need to be cleaned manually, and the amount of manual labor is reduced. The power source of the first motor 45 is directly from the photovoltaic panel, and no additional power supply is required.

Referring to fig. 6, the lower surface of the slide bar 5 is provided with a dovetail groove along the length direction of the slide bar 5, and the slide block 42 is provided with a dovetail block which is slidably fitted in the dovetail groove, so that the slide bar 5 can slide in the direction perpendicular to the slide rail 4. So that the brush 51 can move along the length direction of the slide rail 4 and also can move along the direction perpendicular to the slide rail 4, and the dust on the photovoltaic panel at multiple angles is cleaned, so that the cleaning is more thorough.

Referring to fig. 6, strip-shaped boxes 54 are fixedly connected to both ends of the sliding rod 5, and round wheels 55 are arranged in the boxes 54, wherein the diameter of each round wheel 55 is equal to the width of the box 54 and is smaller than the length of the box 54; the slide block 42 is provided with a connecting frame 43, a second motor 56 is fixedly arranged on the connecting frame 43, and the output shaft of the second motor 56 is eccentrically and fixedly connected with the circular wheel 55. When the second motor 56 drives the round wheel 55 to rotate, the round wheel 55 drives the bar-shaped frame to move in a reciprocating manner, and the block 54 drives the sliding rod 5 and the brush 51 to move, so that the brush 51 can move automatically.

Referring to fig. 5, a stud 52 is provided on the brush 51, the stud 52 penetrates the slide rod 5 and is in threaded connection with a nut, a spring 53 is sleeved on the stud 52, and two ends of the spring 53 respectively abut against the brush 51 and the slide rod 5. The distance between the sliding rod 5 and the photovoltaic panel is fixed, and the distance between the hairbrush 51 and the photovoltaic panel is adjustable, so that the elasticity of the hairbrush 51 to the photovoltaic panel can be conveniently adjusted. Ensure that the brush hair on the brush 51 can clean up the dust on the photovoltaic board completely.

The action process is as follows: firstly, embedding an upright post 1 into a sandy soil layer, then hinging a support 3 and a support rod 2, then installing the support 3 and the support rod 2 on the upright post 1, adjusting the angle of the support 3, and then installing a photovoltaic panel on the support 3; finally, the slide bar 5 and the brush 51 are installed. After the installation is completed, the brush 51 is periodically driven, so that the brush 51 cleans up the dust on the photovoltaic panel.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a large-scale photovoltaic power plant's of desert geology foundation structure, includes to inlay stand (1) of establishing in the ground, installs bracing piece (2) on stand (1), installs support (3) that are used for installing the photovoltaic board on bracing piece (2) top, its characterized in that: both sides of support (3) are all fixed and are equipped with slide rail (4), two be equipped with slide bar (5) along the direction of perpendicular to slide rail (4) between slide rail (4), be equipped with brush (51) that elasticity was contradicted on the photovoltaic board on slide bar (5).

2. The infrastructure of a large-scale photovoltaic power plant in desert geology of claim 1, characterized in that: the side of the sliding rail (4) is provided with a screw rod (44) along the length direction of the sliding rail (4), the sliding rod (5) is in threaded connection with the screw rod (44), and one end of the screw rod (44) is provided with a first motor (45) for driving the screw rod (44) to rotate.

3. The infrastructure of a large-scale photovoltaic power plant in desert geology of claim 2, characterized in that: the lower surface at the both ends of slide bar (5) is equipped with slider (42), slide rail (4) are gone up and have been seted up spout (41) along the length direction of slide rail (4), slider (42) are slided and are connected in spout (41), slider (42) threaded connection is on lead screw (44).

4. The infrastructure of a large-scale photovoltaic power plant in desert geology of claim 3, characterized in that: the sliding rod (5) is connected to the sliding block (42) in a sliding mode in the direction perpendicular to the sliding rail (4), strip-shaped frames (54) are further arranged at two ends of the sliding rod (5), a second motor (56) is arranged on the outer side face of the sliding block (42), and a round wheel (55) matched in the frames (54) is fixedly arranged on an output shaft of the second motor (56).

5. The infrastructure of a large-scale photovoltaic power plant in desert geology of claim 4, characterized in that: the upper surface of brush (51) is equipped with a plurality of studs (52) that pass slide bar (5), the cover is equipped with spring (53) on stud (52), the both ends of spring (53) are contradicted respectively on slide bar (5) and brush (51).

6. The infrastructure of a large-scale photovoltaic power plant in desert geology of claim 1, characterized in that: the supporting rod (2) comprises a threaded sleeve (21) and a screw rod (22) which is simultaneously in threaded connection with the threaded sleeve (21), and the two screw rods (22) are opposite threads.

7. The infrastructure of a large-scale photovoltaic power plant in desert geology of claim 6, characterized in that: the three rows of the upright columns (1) are respectively located at two ends and a middle section of the vertical projection of the support (3), reinforcing rods (31) are arranged on the support (3), and two ends of each reinforcing rod (31) are respectively connected to the upright columns (1) and the support (3).

8. The infrastructure of a large-scale photovoltaic power plant in desert geology of claim 7, characterized in that: stand (1) includes iron sheet layer (11), concrete layer (12), it is equipped with reinforcing bar (13) to inlay in concrete layer (12), the upper end of stand (1) is equipped with pre-buried iron (14), the length of stand (1) is 5 meters at least, the cross-sectional diameter of stand (1) is 20 centimetres at least.