CN209767455U - Photovoltaic tracking device and photovoltaic tracking system - Google Patents

Abstract

The utility model relates to a photovoltaic tracker technical field provides a photovoltaic tracer and includes: the push rod device comprises a push rod seat, an electric push rod, a push rod arm and a main beam, wherein the push rod seat is fixed on the ground; the electric push rod is rotatably arranged on the push rod seat; the output end of the electric push rod is rotatably connected with one end of the push rod arm, the output end of the electric push rod and the push rod arm are arranged at a preset angle, the electric push rod is perpendicular to the axis direction of the main beam, and the other end of the push rod arm is fixedly connected with the main beam; the main beam is used for installing a photovoltaic cell panel, the main beam is rotatably connected with an upright post fixed on the ground, and the push rod arm drives the main beam to rotate on the upright post in a reciprocating manner under the telescopic pushing of the electric push rod. By the aid of the structure, system cost is effectively reduced, and inconvenience of field installation and later maintenance of the existing tracking support system by adopting the worm and gear driving device is solved.

Description

Photovoltaic tracking device and photovoltaic tracking system

Technical Field

The utility model belongs to the technical field of photovoltaic tracker technique and specifically relates to indicate to provide a photovoltaic tracer and photovoltaic tracker.

Background

Photovoltaic panels are power generation devices that produce direct current in sunlight, consisting of thin, fixed photovoltaic cells made of semiconductor materials (e.g., silicon), usually in combination with storage batteries. When the photovoltaic panel is used, the photovoltaic effect of the semiconductor material of the solar cell is mainly utilized to directly convert solar radiation energy into electric energy. The photovoltaic panel is mainly applied to remote areas without a power grid and population-dispersed areas, in the areas with the public power grid, the photovoltaic panel is connected with the power grid and can be operated in a grid-connected mode, and the photovoltaic panel has higher power generation efficiency and better environmental protection performance.

In the manufacturing process of the photovoltaic panel, in order to collect more sunlight, the area of the panel surface of the photovoltaic panel is usually set to be larger, so that the photovoltaic panel is heavier. In order to collect sunlight to the maximum extent during the use of the photovoltaic panel, the panel surface of the photovoltaic panel is generally flush with the surface irradiated by the sunlight for a long time. The sunlight irradiation angles at different times of a year are inconsistent, so that the angle position of the photovoltaic panel needs to be adjusted every other time when the photovoltaic panel is used. Because the photovoltaic board is comparatively heavy, the support that is used for supporting the photovoltaic board at present is usually for the detachable support, when needs adjustment photovoltaic board angular position, needs use tools etc. to operate the support of photovoltaic board to make the angle modulation operation of photovoltaic board very complicated, and waste time and energy. At present, a turbine and worm driving device is adopted in the market, and the device is high in on-site cost, difficult to install and inconvenient to maintain in a later period.

Disclosure of Invention

In order to solve the technical problem, the utility model discloses a main aim at provides a photovoltaic tracer and photovoltaic tracker, and the device simple structure, the field installation is simple, and later maintenance is convenient.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided a photovoltaic tracking apparatus comprising: the push rod device comprises a push rod seat, an electric push rod, a push rod arm and a main beam, wherein the push rod seat is fixed on the ground;

the electric push rod is rotatably arranged on the push rod seat;

The output end of the electric push rod is rotatably connected with one end of the push rod arm, the output end of the electric push rod and the push rod arm are arranged at a preset angle, the electric push rod is perpendicular to the axis direction of the main beam, and the other end of the push rod arm is fixedly connected with the main beam;

The main beam is used for installing a photovoltaic cell panel, the main beam is rotatably connected with an upright post fixed on the ground, and the push rod arm drives the main beam to rotate on the upright post in a reciprocating manner under the telescopic pushing of the electric push rod.

In this embodiment, preferably, the push rod seat includes a support column, a fixing plate, a fixing rod, and first and second fixing lugs, the support column is fixed on the ground, the upper end of the support column is connected to the fixing plate, the fixing rod is fixed to the fixing plate, the first and second fixing lugs are respectively fixed to two sides of the upper end of the fixing rod, and the first and second fixing lugs clamp and fix the electric push rod therebetween.

In this embodiment, preferably, the first and second fixing lugs are respectively provided with a screw hole, and two sides of the electric push rod are respectively provided with a cylindrical lug, and the lug is engaged with and clamped in the screw hole and can rotate in the screw hole, so that the electric push rod is rotatably arranged on the push rod seat.

Preferably, in this embodiment, the push rod arm is provided with a hoop device, a groove portion of the hoop device is matched with the main beam, and the hoop device fixedly connects the main beam with the push rod arm.

in this embodiment, preferably, the photovoltaic tracking apparatus further includes: with girder parallel arrangement's first girder, with first girder fixed connection's first push rod arm and push rod frame, push rod arm with push rod frame's one end is rotated and is connected, first push rod arm with push rod frame's the other end is rotated and is connected, push rod frame with electric putter's output rotates and is connected.

Preferably in this embodiment, the push rod frame includes first connecting portion, second connecting portion and main part frame, first, second connecting portion are fixed respectively the both ends of main part frame, first connecting portion with push rod arm rotates to be connected, the second connecting portion with first push rod arm rotates to be connected, electric putter is located the middle part of main part frame.

In this embodiment, preferably, the photovoltaic tracking apparatus further includes: a plurality of with girder parallel arrangement's second girder, a plurality of with second girder fixed connection's second push rod arm and push rod frame, push rod arm with push rod frame's one end is rotated and is connected, and is a plurality of second push rod arm with push rod frame rotates and connects, push rod frame with electric putter's output rotates and connects.

Preferably in this embodiment, the push rod frame includes connecting portion and main part frame, connecting portion with the main part frame is connected, the push rod arm with connecting portion rotate to be connected, and is a plurality of the second push rod arm with connecting portion rotate to be connected, electric putter is located the middle part of main part frame.

the utility model discloses another technical scheme who uses is: there is provided a photovoltaic tracking system comprising a plurality of photovoltaic tracking devices as described in any one of the above embodiments, the plurality of photovoltaic tracking devices being positioned side by side with a maintenance corridor formed between the plurality of photovoltaic tracking devices.

the utility model provides a photovoltaic tracer and photovoltaic tracker can bring following at least one beneficial effect:

1. The utility model discloses in, photovoltaic tracer passes through electric putter as drive arrangement, effective lowering system cost to solved current tracking mounting system and adopted turbine worm drive arrangement at the inconvenience of on-the-spot installation and later maintenance.

2. the utility model discloses in, through setting the push rod frame to the frame-type, electric putter sets up in the centre of frame, makes electric putter atress even, avoids producing the yawing force to prevent that the push rod from bending, increase photovoltaic tracer system stability.

Drawings

Fig. 1 is a schematic structural diagram of a part of the photovoltaic tracking apparatus according to the embodiment.

Fig. 2 is a schematic structural view of the push rod seat of the present embodiment.

Fig. 3 is a schematic structural diagram of the push rod arm of the present embodiment.

fig. 4 is a schematic structural view of the electric putter of the present embodiment.

Fig. 5 is a schematic structural diagram of the entire photovoltaic tracking apparatus according to this embodiment.

fig. 6 is a schematic structural diagram of the photovoltaic tracking system according to the embodiment.

The reference numbers illustrate:

1. The photovoltaic tracking device comprises a push rod seat, 11 support columns, 12 fixing plates, 13 fixing rods, 14 first fixing lugs, 15 second fixing lugs, 2 electric push rods, 3 push rod frames, 31 first connecting parts, 32 second connecting parts, 33 main body frames, 4 push rod arms, 41 first connecting lugs, 42 second connecting lugs, 43 hoop devices, 5 main beams, 51 upright columns, 52 bearings, 53 electric boxes, 10 photovoltaic tracking devices, 20 and a maintenance channel.

Detailed Description

While the present invention may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated herein.

Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

in the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

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

In an embodiment, as shown in fig. 1, the present embodiment provides a photovoltaic tracking apparatus including: the push rod mechanism comprises a push rod seat 1, an electric push rod 2, a push rod arm 4 and a main beam 5. Wherein, the lower end of the push rod seat 1 is deeply buried underground, so that the push rod seat is kept stable. The upper end of push rod seat 1 is equipped with first, the fixed ear 14 of second, 15, it is first, the fixed ear 14 of second, 15 welds respectively in the both sides of push rod seat 1 upper end, it is first, the fixed ear 14 of second, be equipped with the screw of symmetry on 15, the middle part centre gripping of 2 axis directions of electric putter is first, the fixed ear 14 of second, between 15, the both sides of electric putter 2 are equipped with the cylinder lug respectively, the lug cooperation card is established in the screw, and can rotate in the screw, make electric putter 2 can wind push rod seat 1 luffing motion at the in-process that promotes. Electric putter 2 electric connection outside electronic box 53, electronic box 53 is used for controlling electric putter 2. The output end of the electric push rod 2 is rotatably connected with one end of the push rod arm 4, the output end of the electric push rod 2 and the push rod arm 4 are arranged at a preset angle, and the angle formed by the output end of the electric push rod 2 and the push rod arm 4 is 0-180 degrees. Preferably, the output end of the power putter 2 forms an angle of 15-165 with the putter arm 4. The axial direction of the electric push rod 2 is vertical to the axial direction of the main beam 5, and the other end of the push rod arm 4 is fixedly connected with the main beam 5. Girder 5 is used for installing photovoltaic cell board, and girder 5 is worn to establish in bearing 52, installs a plurality of photovoltaic cell boards along its extending direction on girder 5. Or a plurality of purlin assemblies are arranged on the main beam 5, and a plurality of photovoltaic cell panels are fixed on the main beam 5 through the purlin assemblies. The bearing 52 is fixed on the upright 51, the upright 51 is a channel steel or a steel pipe, the upright 51 is buried underground by piling, and the plurality of uprights 51 are arranged at intervals along the extending direction of the main beam 5. The bearing block is fixed on the upright post 51, and the bearing 52 is nested inside the bearing block. Under the pushing of the electric push rod 2, the main beam 5 rotates on the upright 51 in a reciprocating manner, so that the photovoltaic cell panels on the main beam 5 can be arranged day by day. The device has simple structure and convenient installation. In the embodiment, the photovoltaic tracking device takes the electric push rod 2 as a driving device, so that the purchasing cost of the electric push rod 2 is lower than that of a worm gear, and the overall cost of the system is reduced; meanwhile, the electric push rod 2 is simple to install on site, and convenient to maintain in the later period, and the inconvenience that the existing tracking support system is installed on site and maintained in the later period by adopting a turbine and worm driving device is effectively solved.

In a second embodiment, as shown in fig. 1 to 4, based on the first embodiment, the photovoltaic tracking apparatus includes: the push rod device comprises a push rod seat 1, an electric push rod 2, a push rod frame 3, two push rod arms 4 and two main beams 5. The putter seat 1 includes a support post 11, a fixing plate 12, a fixing rod 13, and first and second fixing lugs 14 and 15. The support column 11 has two, and two support columns 11 set up side by side to bury deeply underground, fixed plate 13 is through welding or screw fixation in the upper end of two support columns 11. Dead lever 13 has two, the lower extreme welding of two dead levers 13 is on fixed plate 13, the upper end contact of two dead levers 13 forms a platform portion together, it is first, the ear 14 is fixed to the second, 15 welds respectively in the both sides of platform portion, it is first, the ear 14 is fixed to the second, be equipped with the screw of symmetry on 15, the middle part centre gripping of 2 axis directions of electric putter is first, the ear 14 is fixed to the second, 15 between, electric putter 2's both sides are equipped with the cylinder lug respectively, the lug cooperation card is established in the screw, and can be at the screw internal rotation, thereby make electric putter 2 rotate and set up on push rod seat 1. The electric push rod 2 comprises a motor, a speed reducer arranged at the driving end of the motor, a screw rod connected with the output end of the speed reducer, a nut arranged on the screw rod in a sliding mode and a push rod connected with the nut, the motor is started and is decelerated by the speed reducer, the screw rod is driven to rotate, the nut is driven to move in a telescopic mode along the axial direction of the screw rod, and the push process of the push rod is achieved.

A push rod of the electric push rod 2 is rotationally connected with a push rod frame 3, the push rod frame 3 is a steel pipe or a square pipe, and the push rod frame 3 is positioned at one side of the electric push rod 2; or the push rod frame 3 is a frame welded by steel pipes or square pipes, the electric push rod 2 is positioned in the frame of the push rod frame 3, and the push rod frame 3 is perpendicular to the axis direction of the main beam 5. Preferably, push rod frame 3 is formed by welding square pipes, and push rod frame 3 includes first connecting portion 31, second connecting portion 32 and main body frame 33. The main body frame 33 is a square frame, one end of each of the first connecting portion 31 and the second connecting portion 32 is welded to two ends of the main body frame 33, and the other end of each of the first connecting portion 31 and the second connecting portion 32 is rotatably connected to the lower ends of the two push rod arms 4, so that the number of the push rod arms 4 can be reduced, and the cost is reduced. In addition, set push rod frame 3 to the frame type, electric putter 2 is located the middle part of main part frame 33, and electric putter 2 is located push rod frame 3's frame, and electric putter 2 length direction's axis is unanimous with push rod frame 3 length direction's axis, when electric putter 2 promoted push rod frame 3 and removes, makes the push rod atress even, avoids producing the yawing force to prevent that the push rod from bending, increase photovoltaic tracer system stability.

The push rod seat 1 penetrates through the inside of the main body frame 33, and the push rod frame 3 can surround the push rod seat 1 to move up and down in the process of extending and retracting the electric push rod 2. The push rod arm 4 comprises a first connecting lug 41, a second connecting lug 42 and a hoop device 43, one end of the first connecting lug 41 and one end of the second connecting lug 42 are welded on two sides of one end of a main body of the push rod arm 4, the first connecting lug 41 and the second connecting lug 42 are provided with opposite through holes, a connecting part of the push rod frame 3 is clamped between the first connecting lug 41 and the second connecting lug 42, a bolt penetrates through the first connecting lug 41 and the second connecting lug 42 and a connecting part of the push rod frame 3, so that the connecting part is rotatably connected with one push rod arm 4, and the other connecting part is rotatably connected with the other push rod arm 4. The other end of the main body of the push rod arm 4 is connected with the hoop device 43, the groove part of the hoop device 43 is matched with the main beam 5, and the main beam 5 is fixedly connected with the push rod arm 4 by the hoop device 43.

the two main beams 5 are arranged in parallel, and the cross section of each main beam 5 can be square, circular or semicircular and the like. Two sides of the joint of the push rod arm 4 and the main beam 5 are respectively provided with an upright post 51, the upright posts 51 are channel steel or steel pipes, and the upright posts 51 are fixed on the bottom surface through piling. The bearing block is fixed on the upright column 51, the bearing 52 is nested in the bearing block, and the main beam 5 penetrates through the bearing 52. A plurality of photovoltaic cell panels are installed along the extending direction of the main beam 5 at the two sides of the two upright posts 51, or a plurality of purline assemblies are installed on the main beam 5, the photovoltaic cell panels are fixed on the main beam 5 through the purline assemblies, and the upright posts 51 are arranged at intervals along the extending direction of the main beam 5.

The electric box 53 is fixed on the upright 51 through screws, and the electric box 53 controls the electric push rod 2 to enable the main beam 5 to rotate on the upright 51 in a reciprocating mode, so that the photovoltaic cell panels on the main beam 5 can rotate day by day.

In a third embodiment, as shown in fig. 1 to 4, on the basis of the first and second embodiments, the photovoltaic tracking apparatus includes: the push rod device comprises a push rod seat 1, an electric push rod 2, a push rod frame 3, a plurality of push rod arms 4 and a plurality of main beams 5. Wherein, girder 5 is unanimous with the quantity of push rod arm 4, and girder 5 is no less than three with push rod arm 4, and a plurality of girders 5 set up side by side, a plurality of girders 5 and a plurality of push rod arm 4 one-to-one fixed connection. The main beams 5 arranged side by side are sequentially called first to Nth main beams, the push rod arms 4 are sequentially called first to Nth push rod arms, and N is an integer larger than 2. The lower end of the push rod seat 1 is fixed on the ground. The mid-mounting of electric putter 2 is in the upper end of push rod seat 1, and electric putter 2 can be around push rod seat 1 luffing motion at the in-process that promotes, and electric putter 2 electric connection outside electronic box 53, electronic box 53 are used for controlling electric putter 2. Electric putter 2's output and push rod frame 3 rotate to be connected, and push rod frame 3 is formed by square tube welding, and push rod frame 3 includes first connecting portion 31, second connecting portion 32 and main part frame 33. The main body frame 33 is a square frame, one end of the first connecting portion 31 and one end of the second connecting portion 32 are welded to two ends of the main body frame 33 respectively, and a plurality of reinforcing ribs are welded to two sides of a welding position. One end of the first connecting portion 31 is rotatably connected to the first push rod arm, the main frame 33 is located between the first main beam and the second main beam, and the second connecting portion 32 extends to the nth main beam. The second to nth push rod arms are respectively connected with the second connecting portion 32 in a rotating manner, and the second to nth push rod arms are respectively arranged in parallel with the first push rod arm. The electric push rod 2 is positioned in the middle of the main body frame 33, and the central axis of the electric push rod 2 in the length direction is consistent with the central axis of the push rod frame 3 in the length direction. The push rod seat 1 penetrates through the inside of the main body frame 33, and the push rod frame 3 can surround the push rod seat 1 to move up and down in the process of extending and retracting the electric push rod 2. The electric push rod 2 pushes the main beams 5 to synchronously rotate in a reciprocating mode, and therefore the photovoltaic cell panels on the main beams 5 can rotate day by day.

in a fourth embodiment, as shown in fig. 5 to 6, on the basis of the first, second and third embodiments, the present embodiment provides a photovoltaic tracking system, which includes a plurality of photovoltaic tracking apparatuses 10 as described in any one of the above embodiments, the plurality of photovoltaic tracking apparatuses 10 are disposed side by side, and a maintenance channel 20 is formed between the plurality of photovoltaic tracking apparatuses 10. Compared with a multi-row linkage system, no pull rod is arranged among the photovoltaic tracking devices 10, and the maintenance channel is smooth; more space can be left without reducing the power generation amount. When a worm gear is adopted as a driving device, the photovoltaic tracking devices 10 need to be connected through a transmission rod so as to realize synchronous rotation; in this case, the passages between the photovoltaic tracking devices 10 are blocked, which brings great inconvenience to the installation in the early stage and the maintenance in the later stage. In the embodiment, the photovoltaic tracking devices 10 are used as driving devices through electric push rods, and no pull rod is arranged among the photovoltaic tracking devices 10, so that a smooth maintenance channel is formed, maintenance equipment and personnel can conveniently pass through the maintenance channel, and the working efficiency of later maintenance is improved; the problem of current tracking support system adopt turbine worm drive arrangement at the field installation difficulty and the inconvenient later maintenance is solved.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A photovoltaic tracking device, comprising: the push rod device comprises a push rod seat, an electric push rod, a push rod arm and a main beam, wherein the push rod seat is fixed on the ground;

The electric push rod is rotatably arranged on the push rod seat;

The output end of the electric push rod is rotatably connected with one end of the push rod arm, the output end of the electric push rod and the push rod arm are arranged at a preset angle, the electric push rod is perpendicular to the axis direction of the main beam, and the other end of the push rod arm is fixedly connected with the main beam;

The main beam is used for installing a photovoltaic cell panel, the main beam is rotatably connected with an upright post fixed on the ground, and the push rod arm drives the main beam to rotate on the upright post in a reciprocating manner under the telescopic pushing of the electric push rod.

2. The photovoltaic tracking device of claim 1, wherein:

The push rod seat comprises a support column, a fixing plate, a fixing rod, a first fixing lug and a second fixing lug, the support column is fixed on the ground, the upper end of the support column is connected with the fixing plate, the fixing rod is fixed on the fixing plate, the first fixing lug and the second fixing lug are respectively fixed on two sides of the upper end of the fixing rod, and the electric push rod is clamped and fixed between the first fixing lug and the second fixing lug.

3. The photovoltaic tracking device of claim 2, wherein:

the first fixing lug and the second fixing lug are respectively provided with a screw hole, two sides of the electric push rod are respectively provided with a cylindrical lug, and the lugs are clamped in the screw holes in a matching manner and can rotate in the screw holes, so that the electric push rod is rotatably arranged on the push rod seat.

4. A photovoltaic tracking apparatus as claimed in claim 3, wherein:

the hoop device is arranged on the push rod arm, a groove portion of the hoop device is matched with the main beam, and the main beam is fixedly connected with the push rod arm through the hoop device.

5. the photovoltaic tracking device of any one of claims 1-4, further comprising:

With girder parallel arrangement's first girder, with first girder fixed connection's first push rod arm and push rod frame, push rod arm with push rod frame's one end is rotated and is connected, first push rod arm with push rod frame's the other end is rotated and is connected, push rod frame with electric putter's output rotates and is connected.

6. the photovoltaic tracking device of claim 5, wherein:

The push rod frame comprises a first connecting portion, a second connecting portion and a main body frame, the first connecting portion and the second connecting portion are fixed at two ends of the main body frame respectively, the first connecting portion is connected with the push rod arm in a rotating mode, the second connecting portion is connected with the first push rod arm in a rotating mode, and the electric push rod is located in the middle of the main body frame.

7. The photovoltaic tracking device of any one of claims 1-4, further comprising:

A plurality of with girder parallel arrangement's second girder, a plurality of with second girder fixed connection's second push rod arm and push rod frame, push rod arm with push rod frame's one end is rotated and is connected, and is a plurality of second push rod arm with push rod frame rotates and connects, push rod frame with electric putter's output rotates and connects.

8. The photovoltaic tracking device of claim 7, wherein:

The push rod frame comprises a connecting portion and a main body frame, the connecting portion is connected with the main body frame, the push rod arm is connected with the connecting portion in a rotating mode and is multiple, the second push rod arm is connected with the connecting portion in a rotating mode, and the electric push rod is located in the middle of the main body frame.

9. A photovoltaic tracking system, characterized by:

Comprising a plurality of photovoltaic tracking devices according to any one of claims 1 to 8, the plurality of photovoltaic tracking devices being arranged side by side, the plurality of photovoltaic tracking devices forming a maintenance corridor between them.