CN213637614U

CN213637614U - Household photovoltaic system

Info

Publication number: CN213637614U
Application number: CN202022525730.7U
Authority: CN
Inventors: 庄青阳; 朱译杰
Original assignee: Heshun Energy Co ltd
Current assignee: Heshun Energy Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-06
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a household photovoltaic system, which belongs to the photovoltaic technical field and comprises a solar photovoltaic component, an angle adjusting component, a direct current confluence box, a direct current distribution cabinet, a grid-connected inverter, an alternating current distribution cabinet, a steel shed, a photovoltaic conversion station and a surge protector, wherein the top of the photovoltaic conversion station is integrally formed with the steel shed, the top of the steel shed is fixed with the angle adjusting component, the top of the angle adjusting component is fixed with the solar photovoltaic component, the direct current confluence box, the direct current distribution cabinet, the grid-connected inverter and the alternating current distribution cabinet are all arranged inside the photovoltaic conversion station, the solar photovoltaic component is connected with the direct current confluence box through a cable, the direct current confluence box is connected with the direct current distribution cabinet through a cable, the direct current distribution cabinet is connected with the grid-connected inverter through a cable, the grid-connected inverter is connected with the alternating current power distribution cabinet through a cable, and the direct current power distribution cabinet and the alternating current power distribution cabinet are both provided with surge protectors. The utility model discloses a photovoltaic system is used at family, solar PV modules is adjustable.

Description

Household photovoltaic system

Technical Field

The utility model belongs to the technical field of the photovoltaic, especially, relate to a photovoltaic system is used at family.

Background

The photovoltaic system is a series of processes for converting solar energy into electric energy, wherein the photovoltaic system is used for placing a photovoltaic cell panel on the top layer of a household residence or in a courtyard, carrying out a current conversion process by using a low-power or micro-inverter, directly utilizing the new energy, and also can be used for merging redundant electric energy into a power grid. Collect and change the light energy through solar PV modules in the existing market, need adjust its angle when solar PV modules installs, though angle adjusting device's on the existing market variety is various, still have some weak points, for example, or the accommodation process is troublesome, needs extra instrument, or needs the electrical part drive to adjust, not only increases the energy consumption, has the potential safety hazard moreover.

Disclosure of Invention

An object of the utility model is to provide a photovoltaic system is used at family, solar PV modules is adjustable, and accommodation process is simple and efficient.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a household photovoltaic system, which comprises a solar photovoltaic component, an angle adjusting component, a direct current confluence box, a direct current distribution cabinet, a grid-connected inverter, an alternating current distribution cabinet, a steel shed, a photovoltaic conversion station and a surge protector, wherein the top of the photovoltaic conversion station is integrally formed with the steel shed, the angle adjusting component is fixed on the top of the steel shed, the solar photovoltaic component is fixed on the top of the angle adjusting component, the direct current confluence box, the direct current distribution cabinet, the grid-connected inverter and the alternating current distribution cabinet are all arranged inside the photovoltaic conversion station, the solar photovoltaic component is connected with the direct current confluence box through a cable, the direct current confluence box is connected with the direct current distribution cabinet through a cable, the direct current distribution cabinet is connected with the grid-connected inverter through a cable, the grid-connected inverter is connected with the alternating current power distribution cabinet through a cable, and the direct current power distribution cabinet and the alternating current power distribution cabinet are both provided with surge protectors.

Preferably, the angle adjusting assembly comprises a mounting seat, a first bearing seat, a second bearing seat, a worm wheel, a rotating shaft, a swinging piece, a crank and a waterproof bearing, the first bearing seat is fixed on the inner side wall inside the mounting seat, one end of the worm is inserted into the first bearing seat, the worm is in running fit with the first bearing seat, the waterproof bearing is fixed on the outer side wall of the mounting seat, the crank is fixed at the other end of the worm through the waterproof bearing, the worm is in running fit with the waterproof bearing, the second bearing seat is fixed on the rear side wall inside the mounting seat, the rear end of the rotating shaft is inserted into the second bearing seat, the rotating shaft is in running fit with the second bearing seat, the worm wheel and the swinging piece are fixed at the front end of the rotating shaft, the swinging piece is located at the front side of the worm wheel, the.

Preferably, the swing piece includes swing seat, spring and swinging arms, and the lower part of swing seat is fixed in the pivot, and the upper portion of swing seat is seted up flutedly, and the lower part of swinging arms inserts in the recess, and with recess sliding fit, the top of swinging arms and solar PV modules's bottom fixed connection, the top of spring is fixed in the bottom of swinging arms, and the bottom mounting of spring is in the interior diapire of recess.

Preferably, a corrugated hose is arranged between the mounting seat and the bottom of the solar photovoltaic module, and the corrugated hose surrounds the swinging piece.

Preferably, the top of the steel canopy is "" shaped.

Preferably, two inclined planes of the steel shed are respectively provided with an angle adjusting component, and a gap is reserved between the solar photovoltaic components on the two angle adjusting components.

Preferably, the solar photovoltaic module comprises a plurality of polycrystalline silicon solar cells and a packaging frame, and the plurality of polycrystalline silicon solar cells distributed in an array manner are arranged in the packaging frame.

Preferably, the grid-connected inverter is a string-type inverter.

Preferably, a lightning rod is fixed at the center of the top of the steel shed.

Preferably, the outer side wall of the photovoltaic conversion station is provided with a monitoring camera.

The utility model has the advantages that:

1. the inclination angle of the solar photovoltaic module can be adjusted by setting the angle adjusting module, and the solar illumination can be adjusted according to the difference of four seasons.

2. Through the cooperation of worm gear, because the mechanical characteristic of worm gear, the worm wheel can rotate only when the worm rotates, consequently after adjusting solar PV modules inclination, solar PV modules can stop at the angle of current regulation and can not take place the skew. And only need to wave the crank and can adjust, the regulation mode is simple and convenient swift, and need not any electrical part, and the security is high.

3. The solar photovoltaic module is installed on the roof, the design of adding the steel shed on the roof is adopted, the steel shed and the photovoltaic conversion station are integrally arranged, and the power generation efficiency of the solar photovoltaic module is improved.

4. Direct current distribution cabinet and alternating current distribution cabinet all are provided with surge protector, prevent that the thunder and lightning from arousing the overvoltage, improve system security.

5. Through the setting of spring, have the cushioning effect when solar PV modules receives ambient pressure, play the guard action to solar PV modules.

6. The solar photovoltaic module comprises a plurality of polycrystalline silicon solar cells and a packaging frame, wherein the polycrystalline silicon has high conversion rate performance, can effectively absorb solar energy and convert the solar energy into electric energy, and has high power generation capacity; the grid-connected inverter is a string-type inverter, so that each square matrix loop has the best inversion efficiency, and the performance is stable and reliable.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is the utility model discloses direct current collection flow box, direct current distribution cabinet, grid-connected inverter, alternating current distribution cabinet, surge protector's main structure schematic diagram of looking.

Fig. 3 is a schematic sectional structure view of the angle adjusting assembly of the present invention.

Fig. 4 is a schematic top view of the solar photovoltaic module of the present invention.

Fig. 5 is a system block diagram of the present invention.

The labels in the figures are: 1-direct current combiner box, 2-direct current distribution cabinet, 3-grid-connected inverter, 4-alternating current distribution cabinet, 5-steel shed, 6-photovoltaic conversion station, 7-surge protector, 8-solar photovoltaic module, 81-polycrystalline silicon solar cell, 82-packaging frame, 9-angle adjusting module, 91-mounting seat, 92-first bearing seat, 93-second bearing seat, 94-worm, 95-worm wheel, 96-rotating shaft, 97-swinging piece, 971-swinging seat, 972-spring, 973-swinging rod, 974-groove, 98-crank, 99-waterproof bearing, 910-corrugated hose, 10-cable, 11-lightning rod and 12-monitoring camera.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 5, the household photovoltaic system provided in this embodiment includes a solar photovoltaic module 8, an angle adjusting module 9, a dc combiner box 1, a dc distribution cabinet 2, a grid-connected inverter 3, an ac distribution cabinet 4, a steel shed 5, a photovoltaic conversion station 6, and a surge protector 7, the steel shed 5 is integrally formed on the top of the photovoltaic conversion station 6, the angle adjusting module 9 is fixed on the top of the steel shed 5, specifically, the angle adjusting module is fixed by a special bracket and a fastener, the solar photovoltaic module 8 is fixed on the top of the angle adjusting module 9, the dc combiner box 1, the dc distribution cabinet 2, the grid-connected inverter 3, and the ac distribution cabinet 4 are all disposed inside the photovoltaic conversion station 6, the solar photovoltaic module 8 is connected to the dc combiner box 1 through a cable 10, the dc combiner box 1 is connected to the dc distribution cabinet 2 through a cable 10, direct current distribution cabinet 2 links to each other with grid-connected inverter 3 through cable 10, and grid-connected inverter 3 links to each other with AC distribution cabinet 4 through cable 10, and direct current distribution cabinet 2 and AC distribution cabinet 4 all are provided with surge protector 7, prevent that the thunder and lightning from arousing the overvoltage, improve system security nature. The utility model discloses solar PV modules 8 adopts the roof to increase 5 designs of steel sheds for the roof installation type, sets up steel sheds and photovoltaic conversion station integration, improves solar PV modules 8's generating efficiency. The inclination angle of the solar photovoltaic module 8 can be adjusted by setting the angle adjusting module 9, and the solar illumination can be adjusted according to the difference of four seasons.

Further, the angle adjusting assembly 9 includes an installation seat 91, a first bearing seat 92, a second bearing seat 93, a worm 94, a worm wheel 95, a rotating shaft 96, a swinging member 97, a crank 98, and a waterproof bearing 99, the first bearing seat 92 is fixed on the inner side wall inside the installation seat 91, one end of the worm 94 is inserted into the first bearing seat 92, the worm 94 is rotatably fitted with the first bearing seat 92, the waterproof bearing 99 is fixed on the outer side wall of the installation seat 91, the crank 98 is fixed on the other end of the worm 94 passing through the waterproof bearing 99, the worm 94 is rotatably fitted with the waterproof bearing 99, the second bearing seat is fixed on the rear side wall inside the installation seat 91, the rear end of the rotating shaft 96 is inserted into the second bearing seat 93, the rotating shaft 96 is rotatably fitted with the second bearing seat 93, the worm wheel 95 and the swinging member 97 are fixed on the front end of the rotating shaft 96, the swinging member 97 is located on the front side of the worm wheel 95, the, the worm wheel 95 meshes with the worm 94. When the solar photovoltaic module 8 needs to be adjusted, the crank 98 is shaken to drive the worm 94 to rotate, and further drive the worm wheel 95 to rotate, so that the rotating shaft 96 rotates to drive the swinging piece 97 to rotate, and the inclination angle of the solar photovoltaic module 8 is adjusted. Through the cooperation of worm wheel 95 worm 94, because the mechanical properties of worm wheel 95 worm 94, worm wheel 95 can rotate only when worm 94 rotates, consequently after adjusting the solar PV modules 8 inclination, solar PV modules 8 can stop at the angle of current regulation and can not take place the skew. And only need to wave crank 98 and can adjust, the mode of regulation is simple and convenient swift, and need not any electrical part, and the security is high.

Further, the swing piece 97 includes swing seat 971, spring 972, and swinging arms 973, swing seat 971's lower part is fixed in pivot 96, swing seat 971's upper portion has seted up recess 974, swinging arms 973's lower part inserts in the recess 974, and with recess 974 sliding fit, swinging arms 973's top and solar photovoltaic module 8's bottom fixed connection, the top of spring 972 is fixed in swinging arms 973's bottom, the bottom mounting of spring 972 is in the interior diapire of recess 974. Through the setting of spring 972, have the cushioning effect when solar PV modules 8 receive ambient pressure, play the guard action to solar PV modules 8.

Further, a corrugated hose 910 is arranged between the mounting seat 91 and the bottom of the solar photovoltaic module 8, the oscillating member 97 is surrounded by the corrugated hose 910, and rainwater is prevented from entering the mounting seat 91 by the arrangement of the corrugated hose 910.

Further, the top of the steel shed 5 is "" shaped, facilitating drainage.

Further, two inclined planes of steel canopy 5 all are provided with an angle adjusting part 9, have the clearance between the solar PV modules 8 on two angle adjusting parts 9, all are equipped with solar PV modules 8 in the both sides of steel canopy 5, improve solar energy generating efficiency.

Further, the solar photovoltaic module 8 comprises a plurality of polycrystalline silicon solar cells 81 and an encapsulation frame 82, the plurality of polycrystalline silicon solar cells 81 distributed in an array mode are arranged in the encapsulation frame 82, polycrystalline silicon has high conversion rate performance, solar energy can be effectively absorbed and converted into electric energy, and the power generation capacity is high.

Furthermore, the grid-connected inverter 3 is a string-type inverter, so that each square matrix loop has the best inversion efficiency, and the performance is stable and reliable.

Furthermore, a lightning rod 11 is fixed at the center of the top of the steel shed 5, so that a lightning protection effect is achieved, and the safety is improved.

Further, a monitoring camera 12 is arranged on the outer side wall of the photovoltaic conversion station 6, and plays a role in monitoring.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A household photovoltaic system, comprising:

the system comprises a solar photovoltaic component, an angle adjusting component, a direct current combiner box, a direct current power distribution cabinet, a grid-connected inverter, an alternating current power distribution cabinet, a steel shed, a photovoltaic conversion station and a surge protector;

a steel shed is integrally formed at the top of the photovoltaic conversion station, an angle adjusting assembly is fixed at the top of the steel shed, and a solar photovoltaic assembly is fixed at the top of the angle adjusting assembly;

the direct current combiner box, the direct current power distribution cabinet, the grid-connected inverter and the alternating current power distribution cabinet are all arranged inside the photovoltaic conversion station;

the solar photovoltaic module is connected with the direct current combiner box through a cable, the direct current combiner box is connected with the direct current power distribution cabinet through a cable, the direct current power distribution cabinet is connected with the grid-connected inverter through a cable, and the grid-connected inverter is connected with the alternating current power distribution cabinet through a cable;

and the direct current power distribution cabinet and the alternating current power distribution cabinet are both provided with surge protectors.

2. The household photovoltaic system of claim 1, wherein:

the angle adjusting assembly comprises a mounting seat, a first bearing seat, a second bearing seat, a worm wheel, a rotating shaft, a swinging piece, a crank and a waterproof bearing;

a first bearing seat is fixed on the inner side wall of the mounting seat, one end of a worm is inserted into the first bearing seat, the worm is in running fit with the first bearing seat, a waterproof bearing is fixed on the outer side wall of the mounting seat, a crank is fixed at the other end of the worm through the waterproof bearing, and the worm is in running fit with the waterproof bearing;

the solar photovoltaic module mounting structure is characterized in that a second bearing seat is fixed on the rear side wall inside the mounting seat, the rear end of the rotating shaft is inserted into the second bearing seat, the rotating shaft is in running fit with the second bearing seat, a worm wheel and a swinging piece are fixed at the front end of the rotating shaft, the swinging piece is located on the front side of the worm wheel, the top end of the swinging piece extends out of the mounting seat and is fixedly connected with the solar photovoltaic module, and the worm wheel is meshed with the worm.

3. The household photovoltaic system of claim 2, wherein:

the swinging piece comprises a swinging seat, a spring and a swinging rod;

the lower part of the swinging seat is fixed on the rotating shaft;

the upper part of the swing seat is provided with a groove, the lower part of the swing rod is inserted into the groove and is in sliding fit with the groove, and the top end of the swing rod is fixedly connected with the bottom of the solar photovoltaic module;

the top end of the spring is fixed at the bottom end of the swinging rod, and the bottom end of the spring is fixed at the inner bottom wall of the groove.

4. The household photovoltaic system of claim 3, wherein:

a corrugated hose is arranged between the mounting seat and the bottom of the solar photovoltaic assembly and surrounds the swinging piece.

5. The household photovoltaic system of claim 1, wherein:

the top of steel canopy is the "" form.

6. The household photovoltaic system of claim 5, wherein:

two inclined planes of the steel shed are provided with one angle adjusting assembly, and a gap is reserved between the solar photovoltaic assemblies on the two angle adjusting assemblies.

7. The household photovoltaic system of claim 6, wherein:

the solar photovoltaic module comprises a plurality of polycrystalline silicon solar cells and a packaging frame;

and a plurality of polycrystalline silicon solar cells distributed in an array manner are arranged in the packaging frame.

8. The household photovoltaic system of claim 1, wherein:

the grid-connected inverter is a string-type inverter.

9. The household photovoltaic system of claim 1, wherein:

and a lightning rod is fixed at the center of the top of the steel shed.

10. The household photovoltaic system of claim 1, wherein:

and a monitoring camera is arranged on the outer side wall of the photovoltaic conversion station.