CN210041747U

CN210041747U - Photovoltaic distribution box

Info

Publication number: CN210041747U
Application number: CN201920711597.9U
Authority: CN
Inventors: 高迪; 南康杰; 白雪峰; 李海泉; 范静
Original assignee: Lanzhou Institute of Technology
Current assignee: Lanzhou Institute of Technology
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-02-07
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a photovoltaic distribution box, belonging to the technical field of distribution boxes, comprising a box body, a box door and two photovoltaic power generation devices, wherein the two photovoltaic power generation devices have the same structure and are symmetrically arranged at two sides above the box body; every photovoltaic power generation device all includes photovoltaic solar panel, height adjusting device and two scalable bracing pieces, photovoltaic solar panel rotates with a box top side and is connected, the photovoltaic solar panel's that is located the box top area is less than the photovoltaic solar panel's that is located the box side area, two scalable bracing piece one end and box top fixed connection, the scalable bracing piece other end and photovoltaic solar panel one end bottom sliding connection, height adjusting device fixes on the box, height adjusting device's regulation end and photovoltaic solar panel other end bottom sliding connection. This block terminal can improve the utilization ratio of solar energy according to illumination intensity regulation photovoltaic solar panel's angle, and the practicality is strong, is fit for using widely.

Description

Photovoltaic distribution box

Technical Field

The utility model belongs to the technical field of the block terminal, concretely relates to photovoltaic block terminal.

Background

The distribution box is a common device in the power industry, and is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. With the development of the power industry, photovoltaic power generation is more and more common due to environmental protection, energy conservation and high energy utilization rate, and in order to enable photovoltaic users to use electricity more safely and enable surplus electricity to be on line, protect an inverter and a commercial power grid to be used safely and coordinately, and improve reliability, a photovoltaic distribution box is generally required to be added between the inverter and the commercial power grid.

The distribution box for photovoltaic power generation is generally placed in a place where sunlight is sufficient and the temperature is high outdoors. Current photovoltaic block terminal is generally to place photovoltaic solar panel at the box top, in case install just immovably. Because the position and the illumination intensity of the sun at different moments in a day are different, the position of the existing photovoltaic solar panel cannot be flexibly changed according to the angle of the sun, and the utilization rate of light energy is reduced.

Therefore, this application provides a photovoltaic block terminal and solves the problem that prior art exists.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiencies in the prior art, the utility model provides a photovoltaic distribution box.

In order to achieve the above object, the present invention provides the following technical solutions:

the photovoltaic distribution box comprises a box body, a box door and two photovoltaic power generation devices, wherein the box door is hinged with the box body through a hinge, and the two photovoltaic power generation devices are identical in structure and symmetrically arranged on two sides above the box body;

every photovoltaic power generation device all includes photovoltaic solar panel, height adjusting device and two scalable bracing pieces, photovoltaic solar panel with box top one side rotates to be connected, is located the photovoltaic solar panel's at box top area is less than and is located the photovoltaic solar panel's of box side area, two scalable bracing piece one end with box top fixed connection, the scalable bracing piece other end with photovoltaic solar panel one end bottom sliding connection, height adjusting device fixes on the box, height adjusting device's regulation end with photovoltaic solar panel other end bottom sliding connection.

Preferably, the box top still is provided with the illumination intensity sensor, the chamber door inner wall is provided with the controller, the bottom half is provided with battery and power converter, the battery passes through power converter with photovoltaic solar panel electricity is connected, the illumination intensity sensor with the signal input part of controller is connected, height adjusting device's power component with the signal output part of controller is connected, the battery does the controller with the power supply of height adjusting device.

Preferably, the height adjusting device includes a motor, a lead screw nut, a bearing, an adjusting rod and a universal shaft, the motor is fixed on the inner wall of the box body, an output shaft of the motor passes through the box body and is connected with the lead screw, the lead screw nut is screwed on the lead screw, a limit block is arranged at the end part of the lead screw, the bearing is sleeved on the lead screw nut, an inner ring of the bearing is fixedly connected with the lead screw nut, one end of the adjusting rod is fixedly connected with an outer ring of the bearing, the other end of the adjusting rod is fixedly connected with one end of the universal shaft, the other end of the universal shaft is slidably connected with the bottom of the photovoltaic solar panel, and the motor is connected with.

Preferably, be provided with a first slide that has "T" type spout along the direction of height in the middle of photovoltaic solar panel other end bottom, the joint has the first slider that longitudinal section is "T" type in the first slide, the tip of first slider with cardan shaft other end fixed connection, it follows to adjust the pole first slide slides.

Preferably, photovoltaic solar panel one end bottom is provided with two second slides that have "T" type spout along the direction of height, two scalable bracing piece top be provided with second slide complex longitudinal section be the second slider of "T" type, in the second slide is gone into to the second slider card, scalable bracing piece is followed the second slide slides.

Preferably, box top both sides edge is provided with "U" fixing base, photovoltaic solar panel bottom be close to the top be provided with "U" fixing base complex mount pad, the mount pad sets up in the "U" fixing base, "U" fixing base and mount pad are articulated through the round pin axle.

Preferably, four corners of the bottom of the box body are respectively provided with a supporting seat, and the bottom of each supporting seat is provided with a plurality of adjusting pads.

Preferably, the box lateral wall is provided with the exhaust hole, the box inner wall is provided with the air discharge fan, be provided with the observation window on the chamber door.

Preferably, the top of the inner wall of the box body is provided with an illuminating lamp, and the surface layer of the box body is coated with a circle of luminous paint.

Preferably, the controller is an AT89C52 single chip microcomputer, the motor is of the siemens PG90FL3-48, the light intensity illumination sensor is a digital light intensity illumination sensor BH1750FVI, the control end of the motor is connected with a port P1.0 of the controller, and the light intensity illumination sensor is connected with a port P1.1 of the controller.

The utility model provides a photovoltaic distribution box, which comprises a box body, a box door and two photovoltaic power generation devices, wherein the two photovoltaic power generation devices have the same structure and are symmetrically arranged at two sides above the box body, each photovoltaic power generation device comprises a photovoltaic solar panel, a height adjusting device and two telescopic supporting rods, the photovoltaic solar panel is used for generating power by utilizing light energy and providing electric energy for the whole distribution box, the height adjusting device is used for adjusting the angle of the photovoltaic solar panel according to the height and the angle of the sun, the illumination intensity of the sun can be accurately detected by an illumination intensity sensor, the controller accurately controls the height adjusting device according to the detected illumination intensity, thereby achieving the purpose of adjusting the photovoltaic solar panel, improving the utilization ratio of solar energy, simultaneously arranging the two photovoltaic solar panels at two sides of the top of the box body, also playing the advantages of shading sun and shielding rain, the practicality is strong, is fit for using widely.

Drawings

Fig. 1 is a schematic structural view of a photovoltaic distribution box according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of the photovoltaic distribution box according to embodiment 1 of the present invention when the box door is opened;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a front view of a photovoltaic distribution box according to embodiment 1 of the present invention;

FIG. 5 is an enlarged view of a portion B of FIG. 4;

fig. 6 is a schematic view of the mounting structure of the first slideway and the first slider.

Description of reference numerals:

the solar photovoltaic power generation box comprises a box body 1, a box door 2, a hinge 3, a photovoltaic solar panel 4, a height adjusting device 5, a motor 51, a screw rod 52, a screw rod nut 53, a bearing 54, an adjusting rod 55, a universal shaft 56, a telescopic supporting rod 6, an illumination intensity sensor 7, a controller 8, a storage battery 9, a power converter 10, a first slide rail 11, a first slide block 12, a 'U' fixing seat 13, a mounting seat 14, a pin shaft 15, a supporting seat 16, an adjusting pad 17, an exhaust hole 18, an observation window 19, an illuminating lamp 20 and a luminous paint 21.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the technical solutions of the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and will not be described in detail herein.

Example 1

The utility model provides a photovoltaic distribution box specifically is as shown in fig. 1 to 6, including box 1, chamber door 2 and two photovoltaic power generation devices, chamber door 2 is articulated through hinge 3 with box 1, and two photovoltaic power generation devices the same and symmetry of structure set up the both sides in box 1 top.

Specifically, every photovoltaic power generation device all includes photovoltaic solar panel 4, height adjusting device 5 and two scalable bracing pieces 6, photovoltaic solar panel 4 is used for utilizing light energy power generation, for whole block terminal provides the electric energy, height adjusting device 5 is used for according to solar height and angle modulation photovoltaic solar panel's angle, scalable bracing piece 6 is used for playing certain supporting role to photovoltaic solar panel 4, scalable bracing piece 6 is common telescopic pole in this embodiment, including the outer sleeve and the inner skleeve of setting in the outer sleeve, the inner skleeve can freely reciprocate in the outer sleeve, just can realize the purpose of this application with current telescopic pole. Photovoltaic solar panel 4 rotates with 1 top side of box to be connected, and the area that is located the photovoltaic solar panel 4 at 1 top of box is less than the area that is located the photovoltaic solar panel 4 of 1 side of box, and the photovoltaic solar panel 4 quality above that is to say is lighter, and following photovoltaic solar panel 4 quality is heavier, can guarantee that no matter what angle can both be natural flagging is adjusted to photovoltaic solar panel 4. 6 one end of two scalable bracing pieces and 1 top fixed connection of box, the 6 other ends of scalable bracing piece and 4 one end bottom sliding connection of photovoltaic solar panel, high adjusting device 5 is fixed on box 1, high adjusting device 5's regulation end and 4 other end bottom sliding connection of photovoltaic solar panel.

Further, in order to realize accurate adjustment, in this embodiment, the top of the box body 1 is further provided with an illumination intensity sensor 7, the inner wall of the box door 2 is provided with a controller 8, the bottom of the box body 1 is provided with a storage battery 9 and a power converter 10, the storage battery 9 is electrically connected with the photovoltaic solar panel 4 through the power converter 10, the illumination intensity sensor 7 is connected with a signal input end of the controller 8, a power element of the height adjusting device 5 is connected with a signal output end of the controller 8, and the storage battery 9 supplies power for the controller 8 and the height adjusting device 5.

Further, as shown in fig. 3 and 5 in this embodiment, the height adjusting device 5 includes a motor 51, a lead screw 52, a lead screw nut 53, a bearing 54, an adjusting rod 55 and a universal shaft 56, the motor 51 is fixed on the inner wall of the box 1, an output shaft of the motor 51 passes through the box 1 and is connected with the lead screw 52, the lead screw nut 53 is screwed on the lead screw 52, a limiting block 57 is arranged at the end of the lead screw 52, the bearing 54 is sleeved on the lead screw nut 53, an inner ring of the bearing 54 is fixedly connected with the lead screw nut 53, one end of the adjusting rod 55 is fixedly connected with an outer ring of the bearing 54, the other end of the adjusting rod 55 is fixedly connected with one end of the universal shaft 56, the other end of the universal shaft 56.

Specifically, in this embodiment, the controller 8 is an AT89C52 single chip microcomputer, the light intensity illumination sensor 7 is a digital light intensity illumination sensor BH1750FVI, the motor 51 is of the siemens PG90FL3-48 type, the control end of the motor 51 is connected to the port P1.0 of the controller 8, and the light intensity illumination sensor 7 is connected to the port P1.1 of the controller 8. The solar illumination intensity is detected by the illumination intensity sensor 7, the detection result is sent to the controller 8, the controller 8 compares the detection result with a preset value, and the height adjusting device 5 is controlled according to the comparison result.

Because in the rotation process of photovoltaic solar panel 4, the operation track of the support point of adjusting rod 55 or telescopic support rod 6 and photovoltaic solar panel 4 is the arc line operation, so as to ensure the sliding groove to make adjusting rod 55 or telescopic support rod 6 operate along a certain track, as shown in fig. 6, in this embodiment, a first slideway 11 with a "T" type sliding groove is arranged in the middle of the bottom of the other end of photovoltaic solar panel 4 along the height direction, a first slide block 12 with a longitudinal section being "T" type is connected in the first slideway 11 in a clamping manner, the end part of the first slide block 12 is fixedly connected with the other end of a universal shaft 56, and adjusting rod 55 slides along the first slideway 11. Two second slide ways with T-shaped slide grooves are arranged at the bottom of one end of the photovoltaic solar panel 4 along the height direction, second slide blocks matched with the second slide ways and provided with T-shaped longitudinal sections are arranged at the tops of the two telescopic support rods 6, the second slide blocks are clamped into the second slide ways, and the telescopic support rods 6 slide along the second slide ways.

Specifically, in this embodiment, two side edges of the top of the box body 1 are provided with "U" fixing seats 13, the bottom of the photovoltaic solar panel 4 is provided with a mounting seat 14 which is matched with the "U" fixing seats 13 and is close to the upper side, the mounting seat 14 is arranged in the "U" fixing seats 13, and the "U" fixing seats 13 and the mounting seat 14 are hinged through a pin shaft 15. The photovoltaic solar panel 4 can rotate along the top edge of the box body 1 through the U-shaped fixing seat 13, the mounting seat 14 and the pin shaft 15.

Because the plane degree of mounted position is different, in this embodiment, 1 bottom four corners of box is provided with a supporting seat 16 respectively, and every supporting seat 16 bottom all is provided with a plurality of adjusting pads 17, can select the quantity of adjusting pads 17 as required for whole block terminal installation is steady.

In this embodiment, box 1 lateral wall HIA is provided with exhaust hole 18 for the inside heat dissipation of block terminal, is provided with observation window 19 on the chamber door 2 for watch the inside behavior of block terminal.

In order to meet the working requirements of insufficient light or at night, in the embodiment, the top of the inner wall of the box body 1 is provided with the illuminating lamp 20, and meanwhile, the surface layer of the box body 1 is coated with a circle of luminous paint 21, so that a certain warning effect can be achieved, and the safety performance is improved.

The photovoltaic distribution box provided by the embodiment comprises a box body, a box door and two photovoltaic power generation devices, wherein the two photovoltaic power generation devices are identical in structure and are symmetrically arranged on two sides above the box body, each photovoltaic power generation device comprises a photovoltaic solar panel, a height adjusting device and two telescopic supporting rods, the photovoltaic solar panels are used for generating power by utilizing light energy and providing electric energy for the whole distribution box, the height adjusting devices are used for adjusting the angles of the photovoltaic solar panels according to the height and the angle of the sun, the illumination intensity of the sun can be accurately detected by an illumination intensity sensor, the controller accurately controls the height adjusting devices according to the detected illumination intensity, the purpose of adjusting the photovoltaic solar panels is further achieved, the utilization rate of solar energy is improved, meanwhile, the two photovoltaic solar panels are arranged on two sides of the top of the box body, the advantages of shading sun and, the practicality is strong, is fit for using widely.

The above embodiments are only preferred embodiments of the present invention, the scope of protection of the present invention is not limited thereto, and any person skilled in the art can obviously obtain simple changes or equivalent replacements of the technical solutions within the technical scope of the present invention.

Claims

1. The photovoltaic distribution box is characterized by comprising a box body (1), a box door (2) and two photovoltaic power generation devices, wherein the box door (2) is hinged to the box body (1) through a hinge (3), and the two photovoltaic power generation devices are identical in structure and symmetrically arranged on two sides above the box body (1);

every photovoltaic power generation device all includes photovoltaic solar panel (4), high adjusting device (5) and two scalable bracing piece (6), photovoltaic solar panel (4) with box (1) top side rotates to be connected, is located the area of photovoltaic solar panel (4) at box (1) top is less than and is located the area of photovoltaic solar panel (4) of box (1) side, two scalable bracing piece (6) one end with box (1) top fixed connection, scalable bracing piece (6) other end with photovoltaic solar panel (4) one end bottom sliding connection, high adjusting device (5) are fixed on box (1), the regulation end of high adjusting device (5) with photovoltaic solar panel (4) other end bottom sliding connection.

2. The photovoltaic power distribution box according to claim 1, wherein an illumination intensity sensor (7) is further arranged at the top of the box body (1), a controller (8) is arranged on the inner wall of the box door (2), a storage battery (9) and a power converter (10) are arranged at the bottom of the box body (1), the storage battery (9) is electrically connected with the photovoltaic solar panel (4) through the power converter (10), the illumination intensity sensor (7) is connected with a signal input end of the controller (8), a power element of the height adjusting device (5) is connected with a signal output end of the controller (8), and the storage battery (9) supplies power for the controller (8) and the height adjusting device (5).

3. The photovoltaic power distribution box according to claim 2, wherein the height adjusting device (5) comprises a motor (51), a lead screw (52), a lead screw nut (53), a bearing (54), an adjusting rod (55) and a universal shaft (56), the motor (51) is fixed on the inner wall of the box body (1), an output shaft of the motor (51) passes through the box body (1) and is connected with the lead screw (52), the lead screw nut (53) is screwed on the lead screw (52), a limit block (57) is arranged at the end of the lead screw (52), the bearing (54) is sleeved on the lead screw nut (53), an inner ring of the bearing (54) is fixedly connected with the lead screw nut (53), one end of the adjusting rod (55) is fixedly connected with an outer ring of the bearing (54), and the other end of the adjusting rod (55) is fixedly connected with one end of the universal shaft (56), the other end of the cardan shaft (56) is connected with the bottom of the photovoltaic solar panel (4) in a sliding mode, and the motor (51) is connected with a signal output end of the controller (8).

4. The photovoltaic power distribution box according to claim 3, wherein a first slide way (11) having a T-shaped sliding groove is arranged in the middle of the bottom of the other end of the photovoltaic solar panel (4) along the height direction, a first slide block (12) with a T-shaped longitudinal section is connected in the first slide way (11) in a clamping manner, the end part of the first slide block (12) is fixedly connected with the other end of the universal shaft (56), and the adjusting rod (55) slides along the first slide way (11).

5. The photovoltaic distribution box of claim 1, wherein two second slide ways with T-shaped sliding grooves are arranged at the bottom of one end of the photovoltaic solar panel (4) along the height direction, two second slide blocks with T-shaped longitudinal sections matched with the second slide ways are arranged at the top of the telescopic supporting rod (6), the second slide blocks are clamped into the second slide ways, and the telescopic supporting rod (6) slides along the second slide ways.

6. The photovoltaic distribution box of claim 1, wherein two side edges of the top of the box body (1) are provided with a U-shaped fixing seat (13), a mounting seat (14) matched with the U-shaped fixing seat (13) is arranged at the bottom of the photovoltaic solar panel (4) close to the upper side, the mounting seat (14) is arranged in the U-shaped fixing seat (13), and the U-shaped fixing seat (13) and the mounting seat (14) are hinged through a pin shaft (15).

7. The photovoltaic distribution box according to claim 1, characterized in that four corners of the bottom of said box body (1) are respectively provided with a supporting seat (16), and the bottom of each supporting seat (16) is provided with a plurality of adjusting pads (17).

8. The photovoltaic power distribution box according to claim 1, characterized in that said box (1) is provided with a vent (18) on its side wall and said box door (2) is provided with a viewing window (19).

9. The photovoltaic power distribution box according to claim 1, characterized in that a lighting lamp (20) is arranged on the top of the inner wall of the box body (1), and a ring of luminous paint (21) is coated on the surface layer of the box body (1).

10. The photovoltaic power distribution box according to claim 3, wherein the controller (8) is an AT89C52 single chip microcomputer, the motor (51) is Siemens PG90FL3-48 in model, the illumination intensity sensor (7) is a digital light intensity illumination sensor BH1750FVI, a control end of the motor (51) is connected with a port P1.0 of the controller (8), and the illumination intensity sensor (7) is connected with a port P1.1 of the controller (8).